2046results about "Liquid transferring devices" patented technology

A canteen is composed of a main body, a cover, a control unit, a valve and an annular blocker. The cover is engaged with the main body, having a jointing tube protruding into the main body and two notches cut in the jointing tube. The control unit is fixed on the cover, having a jointing portion, two grooves formed in the jointing portion and reversely shaped to correspond to the notches of the cover, and a sucker bored with an outlet. The valve is installed in the control unit, having a bar to correspond to the outlet, and a guiding rod transversely extended out from its bottom to extend through the grooves and the notches of the cover. When rotating the control unit, the valve is moved up and down to be separated from or to clog the outlet, convenient for using and preventing the suction portion from contaminated.

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

The invention provides a distance identification-based crane tube kinematics calibration method, system and equipment and a medium, and belongs to the technical field of crane tube positioning, a crane tube joint coordinate system and a mechanical arm kinematics model are constructed, differential motion error components generated by each joint coordinate system are transmitted and synthesized step by step, and a mechanical arm kinematics calibration model is constructed. Obtaining a mapping relation between the space error and the kinematics parameter error and the pose deviation of each joint; the loading arm is driven to execute multi-attitude composite motion; target features at different distances and inclination angles are extracted and positioned; establishing a mapping relation between image pixel coordinates and three-dimensional space coordinates, and calculating the depth and coordinates of the target point in the three-dimensional space; and fusing the tail end pose error model and a target actual measurement space coordinate to realize nonlinear optimization and stable convergence of parameter correction. The motion deviation of the end effector is effectively compensated, and the positioning precision is improved. According to the method, calculation of a coordinate system transformation matrix is bypassed, and calibration complexity is reduced.

The invention provides a train water supply connector device, which belongs to the technical field of train water supply, and comprises a locking unit, a sensor unit, a control unit, a water supply pipe, a trigger switch, an upper computer communication interface and a water injection well control valve, the locking unit is used for connecting the train water feeding connector device with a carriage water injection pipe in a sealed mode when a train is fed with water, the control unit is connected with the locking unit, the sensor unit, the trigger switch, the upper computer communication interface and the water injection well control valve, and the control unit is used for controlling the train water feeding process and has an independent working mode and a linkage working mode. The water feeding pipe is arranged at the bottom of the sensor unit and used for supplying water to the train water feeding connector device from a water injection well, the trigger switch is used for starting the control unit to control the water feeding process including the normal water feeding process or emergency stop under the abnormal condition, and the upper computer communication interface is used for receiving a control instruction of an upper computer in a linkage mode.

The invention discloses an oil gas treatment method and system based on pressure triggering and temperature feedback control, a medium and a product, and relates to the field of oil gas treatment. The method comprises the following steps: when a pressure value and an actual temperature of an oil tank meet trigger conditions, guiding oil gas in the oil tank into a condensation unit for condensation, liquefying preset high-boiling-point components in the oil gas into a liquid oil product, and adsorbing the condensed residual oil gas through a double-layer adsorption bed arranged in an adsorption tank in sequence; according to the temperature of the adsorption bed and the tail gas emission concentration, the saturation index is calculated through a composite saturation judgment algorithm, when adsorption is saturated, the vacuum pump is started to conduct vacuum desorption on the adsorption tank, oil gas adsorbed on the double-layer adsorption bed is desorbed, and the desorbed oil gas is circularly sent back to an inlet of the condensation unit to be subjected to secondary condensation liquefaction recovery. By implementing the technical scheme, oil gas can be effectively treated, and the oil gas recovery efficiency is improved.

The invention relates to the technical field of oil gas recovery, and discloses a gas station oil gas recovery intelligent operation and maintenance system based on high-performance flow measurement, and the system comprises a collection module which is used for collecting the oil gun refueling amount, the oil gas recovery amount and the recovered oil gas pipeline pressure in real time through a sensor in the refueling process, and collecting the control degree used for controlling the oil gas flow; the correction module is used for correcting the control degree value by using an extended Kalman filtering algorithm to dynamically correct the oil and gas recovery amount, recursively estimating the flow state through the extended Kalman filtering algorithm and outputting the corrected gas-liquid ratio; the judgment module is used for judging whether the corrected gas-liquid ratio is in a preset normal interval or not, judging that the system equipment is normal if the corrected gas-liquid ratio is in the preset normal interval, and performing equipment state diagnosis based on a Bi-LSTM network and a VMD algorithm if the corrected gas-liquid ratio is not in the preset normal interval; the generation module is used for generating an optimal operation and maintenance scheme by adopting a DQN network based on the diagnosis result and generating a corresponding operation and maintenance instruction; intelligent operation and maintenance of gas station oil gas recovery are promoted.

An oil outlet nozzle for oil drums for oil drums, comprising: Fixed pipe, including oil inlet and oil outlet; And The closing mechanism, which is arranged at the oil inlet of the fixed pipe, and is provided at the bottom of the closing mechanism with a first sealing structure which is used to open and close the oil circuit channel of the oil inlet; And The oil outlet pipe which can be axially slidably inserted into the oil outlet port, the outer wall of which is provided with a second sealing structure which is used to seal the gap between the oil outlet pipe and the fixed pipe; And The linkage structure disposed between the oil outlet pipe and the locking mechanism; And Wherein the first sealing structure and the second sealing structure are physically separated from each other and operate independently of each other; And The linkage structure converts the axial displacement of the oil outlet pipe into an opening and closing movement of the locking mechanism.

The application discloses a brake fluid filling and exhaust device and a control method and system thereof. The device comprises a liquid supplement tank, a liquid supplement pipeline, a liquid return pipeline, a first valve and a second valve. The liquid supplement tank is internally provided with a filter, the top of the tank body is provided with an exhaust port, one side of the tank body is connected with the liquid supplement pipeline, the liquid supplement pipeline is provided with the first valve, the other side of the tank body is connected with the liquid return pipeline, and the liquid return pipeline is provided with the second valve. When brake fluid is filled, the liquid supplement tank, the liquid supplement pipeline, a liquid storage pot, brake calipers and the liquid return pipeline are communicated to form a circulating passage of brake fluid, and when a stop-filling condition is met, the liquid storage pot stops filling brake fluid to the brake calipers, and the stop-filling condition at least comprises that gas in the brake system is exhausted. Through the technical scheme provided by the application, gas in brake fluid can be filtered, separated and exhausted from the exhaust port in the brake fluid circulation process, automatic filling and exhaust of brake fluid are realized, and the filling and exhaust efficiency of brake fluid is improved.

The invention discloses an oil and gas recovery remote monitoring and management system based on the Internet of Things, and the system comprises a data collection module which is used for collecting the working condition parameters of oil and gas recovery equipment through a multi-dimensional sensor network when the operation state of the oil and gas recovery equipment is monitored; the analysis processing module is used for analyzing the working condition parameters based on a preset working condition threshold value and an operation model to obtain an operation state analysis result, and the operation state analysis result comprises the operation state and efficiency of the oil and gas recovery system; and the remote management module is used for establishing a remote management mechanism according to the operation state analysis result and realizing intelligent control and safety monitoring of the oil gas recovery system. An efficient remote management mechanism is established, and the system has important significance in improving the operation efficiency, safety and environmental protection performance of the oil gas recovery system.

The application discloses a kind of liquid discharge devices, it is arranged in the bottom of tank, the liquid discharge device includes: fixed tube is fixedly arranged below the tank;First telescopic pipe is worn the fixed tube, first piston component is formed on the first telescopic pipe, first piston component divides the inner portion of the fixed tube into first upper chamber and first lower chamber, first upper fluid passage and first lower fluid passage are opened in the fixed tube respectively with first upper chamber and first lower chamber communication;Drive first telescopic pipe to move upward or downward by the first lower fluid passage into first lower chamber into pressure fluid or by the first upper fluid passage into first upper chamber into pressure fluid to adjust telescopic amount relative to the fixed tube;The first telescopic pipe is used to directly or indirectly discharge supernatant in the tank from tank.

The invention discloses a non-pressure fuel oil filling system and method based on fluid driving and mining equipment, and the system comprises a fuel oil tank which is used as a fuel oil storage main body; the receiver serves as an initial channel for fuel oil to enter and comprises a filling port plug, a receiver shell and a filling reset spring, the filling port plug is movably installed at the inlet end of the receiver shell, and the filling reset spring is installed between the filling port plug and the receiver shell in a sleeved mode; the controller is fixed to the side, away from the oil gun, of the receiver, the controller comprises a switching valve element capable of moving in the axial direction, and the switching valve element can open or close an oil filling window in the controller under the action of the fluid pressure difference; the respirator is mounted at the top of the fuel tank and comprises an air intake and exhaust structure for balancing air pressure inside and outside the fuel tank and a cut-off floating ball capable of ascending and descending along with the oil level in the fuel tank; and two ends of the control oil pipe are respectively communicated with the controller and the respirator. The method is suitable for mine scenes, and has both safety and protection.

The utility model discloses a full-automatic alignment crane pipe system for loading and unloading liquid, which comprises an automatic alignment crane pipe, the lower end of the automatic alignment crane pipe is fixedly connected with a mounting platform, the upper end of the mounting platform is fixedly connected with a control cabinet, and one side of the mounting platform is provided with a tank car; the system is high in automation degree, high in universality, easy and convenient to operate and low in cost, the labor intensity of operators is greatly reduced, the crane pipe butt joint precision and efficiency are improved, and the safety of production operation is also improved by reducing manual intervention; the laser distance measuring sensor is mature in technology, stable in performance, basically not affected by light rays and capable of working in the daytime and at night. As the sensor moves along with the crane pipe, the whole scheme is compact in structure and convenient to install, no additional auxiliary structure is arranged outside the crane pipe, a camera support does not need to be erected in high altitude independently, and occupied space is small.

An apparatus comprises: a robotic arm and an end-of-arm attachment fixedly attached to the robotic arm, where the end-of-arm attachment comprises: a fixed portion of the end-of-arm attachment fixedly attached to the robotic arm which is adapted to receive exchangeable portions of the end-of-arm attachment; a first exchangeable portion of the end-of-arm attachment adapted to remove a cap from a container, retain the cap, and reinstall the cap on the container; and a second exchangeable portion of the end-of-arm attachment adapted to install a dispense head on the container and remove the dispense head from the container, where the dispense head is capable of dispensing a liquid-based material from the container. Methods of using the apparatus are provided.

The invention relates to the technical field of crane pipes, and discloses a top loading and unloading train crane pipe automatic alignment method. Comprising the following steps that (1) the center coordinates, the opening direction and the type of a tank opening in a train tank car are recognized through automatic tank opening recognition equipment; (2) the center coordinates of the tank opening are converted into a motion coordinate system of a crane pipe control system from a visual coordinate system; (3) a Z-axis moving part is controlled to downwards move the train special vertical pipe to be inserted into a tank opening in an aligned mode; (4) the liquid material loading and unloading process is executed on the train tanker through a hydraulic oil replacing pump; (5) the crane pipe is driven to return to the initial position; a closed-loop control system is constructed through a positioning sensor, a visual recognition system and a controller, and unmanned operation of the whole process from tank opening recognition to vertical pipe insertion is achieved. A three-sleeve type vertical pipe (outer sleeve / middle sleeve / inner sleeve) is matched with a steel wire take-up and pay-off machine, so that the length of the vertical pipe is adaptively adjusted to adapt to tank trucks with different depths; the problems that the efficiency is low and the safety risk exists in the manual loading process of the train loading arm are solved.

The invention discloses an oil gas treatment delayed shutdown method and system, electronic equipment and a medium, and relates to the technical field of data processing. The method comprises the steps that the oil tank volume, the oil volume and the rated treatment capacity of an oil-gas treatment device are obtained, and the oil-gas space volume is calculated; after the processing device is started, the processed oil gas amount is calculated by monitoring the pressure and the operation time; when the pressure is reduced to the shutdown pressure for the first time, the remaining oil gas space volume is calculated; determining a pressure difference coefficient according to oil tank and pipeline parameters, and calculating an unrecovered oil gas quantity; calculating delayed downtime based on the unrecovered amount and the rated treatment amount; and finally, continuously operating the device according to the delay time to recover the residual oil gas, and stopping after timing is finished. According to the method, through accurate calculation and delay control, it is ensured that oil gas is fully recycled, and the recycling efficiency is improved. By implementing the technical scheme provided by the invention, the evaluation accuracy of the delayed shutdown opportunity of oil and gas treatment can be improved.

Disclosed is an anti-siphonage and anti-overflow fuel pump structure. The anti-siphonage and anti-overflow fuel pump structure includes a fuel pump, a fuel inlet hose, a main flow channel assembly, a control box, an exhaust and backflow channel assembly, and a fuel outlet hose, where the control box includes a housing, a battery assembly, and a control board; the main flow channel assembly includes an input channel, an output channel, an exhaust port, and a seal port; and the exhaust and backflow channel assembly includes an exhaust valve, a pipeline joint, an exhaust pipe, and an exhaust and backflow channel, the exhaust valve is arranged inside the exhaust port, the pipeline joint is arranged above the exhaust valve, one end of the exhaust pipe is connected to the pipeline joint, and the other end of the exhaust pipe is connected to the exhaust and backflow channel.

The present disclosure relates to a device and a method for mixing and dispensing beverages, wherein the mixing process uses a Venturi mixing chamber. In particular, the device allows a first ingredient and a second ingredient to be mixed precisely, based on a flow measurement. The flow measurement is carried out on the first liquid. Since this measurement is known, it is possible to calculate and correct the flow of the second liquid during operation.

A fluid distribution system includes an input tube, a plurality of vessels, and a distribution hub. The input tube is configured to extend from a supply vessel. Each vessel of the plurality of vessels includes an inflow conduit. The distribution hub includes a single inlet and a plurality of outlets. The single inlet is defined in a bottom of the distribution hub and is in fluid communication with the input tube such that the distribution hub is configured to receive fluid from the input tube through the single inlet. Each outlet of the plurality of outlets is in fluid communication with the single inlet and in fluid communication with a respective inflow conduit such that the distribution hub is configured to provide an equal portion of the fluid received through the single inlet to each of the inflow conduits.

The invention provides a full-automatic intelligent loading and unloading vehicle crane pipe, and relates to the technical field of loading and unloading vehicle crane pipes, the full-automatic intelligent loading and unloading vehicle crane pipe comprises a three-axis mechanical arm assembly and a control cabinet, and the control cabinet is arranged on the three-axis mechanical arm assembly; a conveying unit and an oil receiving unit are installed on the three-axis mechanical arm assembly, and a protection unit is installed on the oil receiving unit. The conveying unit comprises a liquid phase part, a gas phase part and a plugging part, and the liquid phase part comprises a tail end oil conveying pipe; the oil receiving unit comprises an oil receiving part and a transmission part; in the process that the three-axis mechanical arm assembly drives all the components to reset, the vertical cylinder reversely slides along with the pushing column and reversely rotates, the oil receiving cup is driven to synchronously reset to the position under the tail end oil conveying pipe, and residual oil dripping from the tail end oil conveying pipe is collected. According to the three-axis mechanical arm assembly, the driving force of the electric cylinder serves as a power source to synchronously drive linkage of the rotation action of the oil receiving cup and the opening and closing action of the arc-shaped movable baffle, and control over the actions of the oil receiving cup and the arc-shaped movable baffle can be achieved without additionally arranging a power source.

The utility model relates to the technical field of chemical production equipment, and discloses an automatic liquid chemical raw material filling device which comprises a supporting frame. The storage tank body is arranged on the support frame; the filling adjusting mechanism is arranged at the outlet of the storage tank body; and the blocking mechanism is arranged on the lower side of the supporting frame. A motor drives a lead screw to rotate, so that a threaded block is driven to move, an electric telescopic rod and a rack are driven to move, after the rack is moved to the position of one gear ring, the electric telescopic rod is started to drive the rack to make contact with the outer wall of the gear ring, the threaded block is driven to move to drive the rack to move, and therefore the gear ring is driven to rotate; therefore, the flow of the chemical liquid introduced into the injection pipe can be adjusted according to the adjusting holes with different sizes, so that proportional injection of different chemical liquids is ensured, the accuracy is improved, and waste of the chemical liquids is avoided. The problems that a traditional feeding mode is poor in feeding precision, and product quality and operation efficiency are poor easily are solved.

A fuel delivery system and method for controlling a fuel delivery system includes a fuel control device including a valve and an electronic sensor assembly integrated to the fuel control device and is arranged to detect an operational positioning of the valve, to generate a record of the real-time activation of the valve, and to compare records of real-time activation against a schedule of fuel deliveries to detect unauthorized fuel access.

A system for determining fuel dispenser metrological compliance at multiple fueling sites each having a plurality of fuel dispensers. The system comprises a cloud-based computing resource in operative communication with the fueling sites. The cloud-based computing resource is operative to receive a compliance request from a compliance entity for metrological information from a selected fuel dispenser, validate the compliance request, and provide compliance data to the compliance entity.

The utility model relates to the technical field of refueling trolleys, and particularly discloses a movable rapid refueling trolley which comprises a trolley, an oil drum is placed on the trolley, a pump body is installed in an oil outlet of the oil drum, the oil outlet end of the pump body is connected with a refueling pipe, and the oil inlet end of the pump body is connected with an oil pumping pipe. A baffle is installed at the right corner of the bottom end of the oil drum, and the oil pumping pipe is connected into a center hole of the baffle. When the oil drum is used, the cart drives the oil drum to move to the position near equipment, the oil filling pipe stretches into an oil tank of the equipment, the pump body works, oil in the oil drum is pumped out through the oil pumping pipe, the transverse pipe and the inclined pipe, the oil is rapidly pumped into the oil tank of the equipment through the oil filling pipe, and oil filling is completed; oil at the oil bottom in the oil drum gathers to the bottom of the right side of the oil drum, the bottom oil in the oil drum can be completely pumped through the inclined pipe along with the pumping force of the pump body, and oil accumulation is avoided.

The invention relates to an aircraft linear refueling platform, and belongs to the technical field of aircraft refueling, the aircraft linear refueling platform comprises a ground well pit body, a refueling unit, a lifting body, a folding refueling arm, a movable connecting arm, a well lid body and a lifting mechanism, the refueling unit is arranged in the ground well pit body, and the refueling unit is connected with a pre-buried oil pipe below an airport apron; the refueling unit is used for filtering fuel oil, the lifting body is slidably arranged in a ground well pit body in the vertical direction, the folding refueling arm is arranged on the lifting body, and the folding refueling arm is used for being unfolded to an aircraft refueling port for refueling or folded on the lifting body for storage. One end of the movable connecting arm is connected with the refueling unit, the other end of the movable connecting arm is connected with the folding refueling arm, and the movable connecting arm is used for conveying fuel oil. The refueling platform has the advantages that when refueling is not conducted, the refueling platform does not occupy the space of the airport additionally, and the possibility that the refueling platform interferes with other equipment of the airport is reduced.

This invention discloses a docking and sealing system for oil refueling, comprising a soft robotic arm, a docking device, and an oil receiving device. The docking device includes an oil delivery docking rod, a docking cone, a locking mechanism, a slider, and a linear motor. The oil delivery docking rod consists of a docking ball head and sequentially connected axial guide sections, sealing sections, unlocking sections, transition sections, and locking sections. The locking mechanism includes a locking pin, a locking spring sleeve, a locking spring, an unlocking spring, and a limiting ball head. The oil receiving device includes an oil receiving guide cone and a self-sealing mechanism. The oil receiving guide cone consists of sequentially connected outer guide cones, inner guide cones, and a straight cylinder section. The self-sealing mechanism consists of an oil receiving straight cylinder, a spring, and a piston. This invention achieves self-docking, self-locking, and self-sealing between the refueling end and the equipment's oil tank, as well as automatic unlocking and separation after oil refueling. This improves the efficiency, reliability, and safety of oil refueling, and avoids pressure loss and oil leakage during the refueling process.

The utility model discloses a blocking anti-explosion skid-mounted automobile refueling device which comprises an outer box body, a supporting mechanism is arranged on the periphery of the lower end of the outer box body, an oil storage tank is arranged on the bottom wall of an inner cavity of the outer box body, the lower end of the oil storage tank is communicated with an oil outlet pipe, one side of the outer box body is fixedly connected with a refueling machine, and the other side of the outer box body is fixedly connected with an oil tank. The right side of the upper end of the outer box body is fixedly connected with a nitrogen mechanism, and the top wall of an inner cavity of the outer box body is fixedly connected with a sealing strip. By arranging the supporting mechanism, the device can be conveniently and integrally moved to other positions, physical strength and time consumed for moving the positions are effectively saved, the stability of the device during use can be improved, the situation that the whole device is displaced due to the fact that the whole device is supported only through universal wheels is prevented, and the stable and reliable performance of the device is effectively improved; and by arranging the nitrogen mechanism, the equipment can be filled with nitrogen, so that the blocking and explosion-proof effects are achieved, and meanwhile internal combustion or explosion of the oil storage tank can be prevented.

The utility model discloses gas-liquid ratio detection equipment suitable for an oil gas recovery system of a gas station, and relates to the technical field of gas-liquid ratio detection of oil gas recovery systems, and the gas-liquid ratio detection equipment comprises a first three-way pipe, a first detection valve and a movable gas flow detector. And the first three-way pipe is arranged on a recovery header pipe of the oil gas recovery system. A first port of the first detection valve is connected with the first three-way pipe, and a second port of the first detection valve is connected with the movable gas flow detector. The movable gas flow detector comprises a gas flow meter, a connector and two connecting pipes. And two ports of the gas flowmeter are respectively connected with the two connecting pipes through connectors. The ends, away from the gas flow meter, of the two connecting pipes are connected with the first detection valve and a detection valve of the oil gas recovery system respectively. Compared with a traditional method for judging the operation state of the oil gas recovery equipment by relying on representation, the equipment can provide a more accurate and more reliable monitoring result.

The utility model relates to the technical field of windshield washer fluid filling, and discloses a movable windshield washer fluid filling machine which comprises a filling machine box body and universal wheels, a driving button for controlling the device is arranged at the top of the filling machine box body, and a pushing handle for pushing the filling machine box body is arranged outside the filling machine box body. The device is moved to a proper position through the arranged universal wheels, windshield washer fluid in the filling water pipe in the filling machine box body is injected into an automobile through the arranged filling water pipe, so that the device can be moved to a required position during use, and does not need to be installed at a specific position with a power interface; the use flexibility and range of the device are improved, windshield washer fluid can be injected into a vehicle when the vehicle is parked at a far position, convenience is brought to a user, the situation that the injector is too long, a measuring cup or a bottle does not need to be filled into a glass kettle of the vehicle after being full is avoided, and convenience, safety and environmental protection are guaranteed for the user.

The application belongs to the field of liquid transfer, specifically to a liquid transfer device, which includes: a liquid path mechanism, including a conduit assembly and a driving member for driving liquid to flow in the conduit assembly; a housing assembly, including a bottom plate and a housing with an accommodating space, both the conduit assembly and driving member are installed on the housing; a support frame, including a rotating self-locking structure and a telescopic structure; the telescopic structure is installed on the bottom plate through the rotating self-locking structure; the rotating self-locking structure is used for driving the telescopic structure to rotate relative to the bottom plate within a preset angle range, and locking the telescopic structure to stop rotating once it reaches a preset position; and an electrical assembly, including a control assembly installed in the accommodating space, and the control assembly is connected with the driving member.

The invention relates to the technical field of fluid loading and unloading equipment, and discloses an electric vertical pipe of a train submerged loading and unloading vehicle, an outer sleeve, a middle sleeve and an inner sleeve are sequentially and coaxially sleeved to form a telescopic fluid channel; sliding sealing structures are respectively arranged between the outer sleeve and the middle sleeve and between the middle sleeve and the inner sleeve; the steel wire take-up and pay-off machine is connected with the inner sleeve through a The hydraulic oil replacing pump is arranged at the outlet end of the inner sleeve; the hydraulic pipeline is connected to the hydraulic oil replacing pump; a hydraulic oil replacing pump is directly arranged at the outlet end of the inner sleeve, so that liquid is sucked and output from the tank bottom, the whole loading and unloading process is ensured to be performed below the liquid level, volatilization loss and oil gas dissipation are thoroughly avoided, and the explosion risk and environmental pollution are remarkably reduced; the steel wire take-up and pay-off machine drives the sleeve to stretch out and draw back, automatic lifting of the vertical pipe is achieved, and manual operation risks are avoided. The three layers of sleeves are nested and telescopic, and are shrunk when not working, so that the occupied space is reduced; the problems that efficiency is low and safety risks exist in the manual loading process of the vertical pipe of the loading and unloading vehicle are solved.