83results about How to "Achieve delivery" patented technology

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

According to the application of the controllable delivery of the multi-membraneless compartment interlamellar substances in the cell-free system, two independent and coexisting protein enrichment phases are rapidly formed in the optimized cell-free system by utilizing the protein expression of a protein expression vector and adding histidine tag (His Tag) protein, namely, after the multi-membraneless compartment is formed, the two independent and coexisting protein enrichment phases are separated from the cell-free system, and the cell-free system can be used for controlling the delivery of the multi-membraneless compartment interlamellar substances in the cell-free system. And controllable delivery of micromolecular substances and macromolecular substances in multiple membrane-free zone chambers is carried out. The multiple membrane-free compartments constructed by the invention can controllably enrich specific active components and biochemical reactions in a cell-free system into the compartments and separate the specific active components and biochemical reactions from other complex metabolic reactions, and due to the high dynamic nature of the compartments, controllable communication between biomolecules and the external environment and among multiple compartments can be realized; further, the accuracy and controllability of metabolic reaction are greatly improved, and a solid foundation is laid for application of a cell-free system in the aspects of complex metabolic pathway exploration, multi-enzyme catalysis, drug delivery and the like.

The invention discloses an automatic operation lunar ladder modeling method and system based on a gravitational siphon effect. The method comprises the following steps: constructing a gravitational siphon lunar ladder model; performing bead point simplification processing on the gravitational siphon moon ladder model to obtain a multi-body dynamics simplified model of the gravitational siphon moon ladder; and performing coordinate system construction processing and dynamic analysis on the multi-body dynamic simplified model of the gravitational siphon moon ladder to obtain a gravitational siphon effect moon ladder dynamic model. By using the system, the transfer of substances from the surface of a rotating body to an orbit collection spacecraft can be realized by utilizing a gravitational siphon effect, so that the requirement of a traditional propulsion system is avoided, and the energy consumption required for improving the load is greatly reduced. The automatic operation lunar ladder modeling method and system based on the gravitational siphon effect can be widely applied to the technical field of aerospace modeling.

The invention relates to an electric machine (10) having a rotor (12) which is received on a rotor shaft (18) which has a first rotor shaft part (42) and a second rotor shaft part (44) which engage with each other at a connection (46), a cavity (20) being formed in the rotor shaft (18). According to the invention, a molded insert (30) made of a plastic material is embedded in the cavity (20) of the rotor shaft (18) in a rotationally fixed manner, through which a cooling medium flows. The invention further relates to the use of an electric motor (10) in an electric axle module of an electrically driven vehicle.

This invention discloses a beam-climbing robot inspection system for rapid detection of hidden defects. It includes a vehicle body mounted on a steel beam, a robotic arm on one side of the vehicle body corresponding to a chain on the steel beam, a navigation and positioning mechanism, a beam-crossing movement mechanism, and a phased array ultrasonic flaw detection mechanism mounted on the vehicle body, and a visible light detection mechanism at the end of the robotic arm corresponding to the chain. It also includes a controller that communicates with the navigation and positioning mechanism, the beam-crossing movement mechanism, the phased array ultrasonic flaw detection mechanism, the robotic arm, and the visible light detection mechanism. This invention utilizes the aforementioned beam-climbing robot inspection system for rapid detection of hidden defects, employing a robot equipped with multi-view cameras and a phased array ultrasonic probe, enabling comprehensive and convenient detection of hidden defects in multi-level parking garages.

The present application relates to a fan control method, computer program product, device and storage medium. The method includes: calculating the standard high level time of a pulse width modulation signal and calculating the target difference; determining the correspondence between multiple high level times and multiple control state values ​​according to the target difference and the standard high level time, determining the control state value combination of each pulse width modulation signal group in multiple pulse width modulation signal groups, and the functional definition of the control state value combination corresponding to the control state value combination of each pulse width modulation signal group; obtaining the functional definition of the target control state value combination matching the fan control information, determining the target control state value combination, assembling to form a pulse width modulation signal sequence group according to a preset rule, and regulating the fan based on the pulse width modulation signal sequence group. The use of this method can improve system reliability.

The utility model belongs to shell material sheath production technical field, concretely relates to a shell material feeding mechanism of full -automatic packing box sheath production line, including the material taking station, heating station and transfer station of one -dimensional arrangement and being located at the same height, be provided with first manipulator and second manipulator respectively in the opposite sides of heating station, be provided with first suction cup and second suction cup on first manipulator, be provided with transfer tray on second manipulator, be provided with heating platform at heating station, first manipulator can pass through first suction cup and grab the shell material from material taking station to heating platform, simultaneously, first manipulator still can pass through second suction cup and grab the shell material from heating platform to transfer tray at transfer station, second manipulator can pass through transfer tray and transfer the shell material at transfer station to the outside. In the scheme, two suction cups are used to carry out synchronous grabbing operation, realize the transfer of two shell materials, and effectively improve the processing efficiency.

The utility model relates to the field of metal welding piece detection, and discloses a steel structure welding quality compression resistance detection mechanism which comprises a bottom plate, a mounting structure is fixedly connected to the middle of the upper end face of the bottom plate, a driving structure is fixedly connected to the middle of an inner cavity of the mounting structure, and clamping structures are symmetrically connected to the inner cavity of the mounting structure in a sliding mode. The left side of the upper end face of the bottom plate is fixedly connected with a containing structure, a lifting structure is arranged in the middle of the upper end face of the containing structure, the sliding block moves to make the clamping plate and the fixing structure slide relatively, and the steel structure makes contact with the fixing column. When interaction force is generated between the fixing column and the steel structure, the fixing column can slide towards an inner cavity of the sliding groove, the fixing spring contracts, so that the steel structures of different shapes are clamped and fixed, meanwhile, through the telescopic characteristic of the spring, it can be guaranteed that stable clamping force can be provided on the surfaces of the steel structures of different shapes, and the clamping effect is good. And the steel structure is prevented from displacement in the subsequent detection process, so that the accuracy of the detection result is ensured.

The present invention relates to the field of stud welding technology, specifically a stud welding machine based on the laying of steel truss floor deck, including a cross frame and a stud gun welding machine, the outer surface of the cross frame is provided with a swivel for fixing the stud gun welding machine, the interior of the swivel is slidably connected with a positioning block slidably connected to the cross frame, and one end of the positioning block is fixedly connected to a connecting frame, one end of the connecting frame is fixedly connected to a feeding shell, a batching trough is provided inside the feeding shell, a feeding assembly is provided inside the batching trough, a screw block is slidably connected inside the cross frame, and the bottom of the screw block is slidably connected to the swivel, a driving assembly for driving the screw block to move is provided inside the cross frame, both sides of the cross frame are provided with slide bars for the swivel to slide, and a transmission assembly for driving the slide bar to rotate is provided on the top of the cross frame. Through the design of the feeding assembly, the studs can be automatically pushed from the batching trough into the stud gun welding machine, which greatly reduces the tediousness of manual operation and improves the efficiency of feeding.

The utility model discloses an IOT (Internet of Things) circuit breaker aging test device, which comprises a Hall element arranged on an IOT circuit breaker and connected with a main circuit board of the IOT circuit breaker; the controller and the electromagnetic component are arranged on the aging table; wherein the controller is connected with the electromagnetic component and is used for sending a power-on instruction to the electromagnetic component and controlling the electromagnetic component to generate an electromagnetic signal in a specific direction, the Hall element outputs a trigger signal to the main circuit board for reading and judging after sensing the electromagnetic signal, and the controller controls the type of the electromagnetic signal. And switching of the Internet of Things circuit breaker between the aging mode and the normal working mode is realized. A Hall element is arranged on a circuit breaker of the internet of things, an electromagnetic component is arranged on an aging table, the controller controls the electromagnetic component to be powered on, an aging mode is started after a specific electromagnetic signal is received, a main circuit board reads and judges, signal transmission and judgment are achieved, and an aging test method is achieved conveniently without damaging the appearance structure.

The invention discloses a multi-system interaction-based distribution network fault graphical command method and system, and relates to the technical field of distribution network fault processing, and the method comprises the steps: automatically detecting the fault information of a distribution network through an intelligent sensing technology, and pushing the fault information of the distribution network to a dispatcher; establishing a unified view model of the power distribution network, and integrating key data for reference of a dispatcher; and automatically processing a fault through an automatic driving interface, and generating an operation ticket. According to the method, the timeliness of fault processing is improved, the power supply interruption time possibly caused by fault processing delay is shortened, a quick response basis is provided for subsequent steps, the information processing efficiency is improved, the control ability of a dispatcher to the state of a power grid is improved, the decision process is optimized, and the decision efficiency of the dispatcher is improved. According to the method, the misjudgment risk caused by information dispersion is reduced, the fault processing accuracy, the fault recovery speed and the safety are improved, human errors are reduced, and stable operation of a power grid is ensured.

The utility model discloses a heat conduction pipe provided with a heat dissipation core, and belongs to the technical field of heat conduction and heat dissipation. The heat conduction pipe provided with the heat dissipation core comprises a pipe body, a plurality of heat dissipation fins are arranged on the outer side of the pipe body, connecting pipes are installed at the two ends of the heat dissipation fins and the two ends of the pipe body, and connecting discs are installed on the outer sides of the connecting pipes. The heat dissipation mechanism comprises a center shaft, a heat dissipation core is installed on the outer side of the center shaft and is of a spiral structure, the outer side of the heat dissipation core is fixedly connected with the inner side of the pipe body, the multiple heat dissipation fins are distributed at equal intervals and are in a wave shape, the heat dissipation fins and the pipe body are integrally formed, and multiple flow guide holes are formed in the surface of the heat dissipation core; according to the utility model, the contact area and the retention time of a heat transfer medium and the heat dissipation core can be effectively increased, the transfer efficiency of heat in the pipe body is greatly improved, and the heat dissipation pipe has higher practical value.

The utility model discloses a self-weight type shifting fork guide structure which comprises a bottom plate, a storage guide rail, a first power assembly, an overturning pressing block and a second power assembly, the storage guide rail is obliquely arranged relative to the horizontal plane, the storage guide rail is provided with a containing groove for workpieces to be sequentially placed, and the lower end of the storage guide rail is connected to the bottom plate; the first power assembly is arranged on the bottom plate and can push workpieces located at the bottom of the storage guide rail to break away from the containing groove. The overturning pressing block is provided with a guide groove; the second power assembly is provided with a pushing piece, the storage guide rail is obliquely arranged relative to the horizontal plane, workpieces sequentially placed in a containing cavity of the storage guide rail slide towards the bottom of the storage guide rail under the action of gravity, and the first power assembly can push the workpiece located at the bottommost part of the storage guide rail to break away from the containing cavity to the overturning pressing block. The inclined workpiece is overturned after being in contact with the overturning pressing block, and is moved to a subsequent station along the guide groove of the overturning pressing block under the horizontal pushing of the pushing piece, so that automatic overturning and conveying of the part can be realized, and damage to the part is avoided at the same time.

The utility model discloses a toy bubble gun which comprises a gun-shaped main body, a foaming assembly and a driving device, the foaming assembly and the driving device are both installed on the main body, and the foaming assembly and the driving device are in transmission connection through a linkage structure. The linkage structure is further in transmission connection with a transmission mechanism, the transmission mechanism is in transmission connection with a doll, the linkage structure drives the foaming assembly to operate and also drives the transmission mechanism to operate, and the transmission mechanism drives the doll to rotate. When the driving device operates, the linkage structure drives the transmission mechanism to operate, and then the doll is driven to rotate. In addition, the linkage structure is arranged to be a stepped gear, so that the transmission structure is simplified, and the efficiency is improved; the transmission mechanism comprises a bevel gear, a coupling rod, a transmission gear and the like so as to achieve power transmission and rotation of the doll. In conclusion, the design of the toy bubble gun aims at combining the dual functions of bubble emission and doll rotation, so that the interestingness and interactivity of the toy are improved.

The invention relates to the technical field of food processing equipment, in particular to a microbial engineering fermentation device.The microbial engineering fermentation device comprises a heater, a water supply heating assembly, an integrated tank assembly and a fermentation liquor circulating assembly.The integrated tank assembly comprises a tank body, a tank body end socket, a rice inlet pipe, an air return pipe, a conical barrel, a water inlet pipe, a high-pressure component and an overflow component; the rice inlet pipe and the air return pipe are fixedly communicated with the rice conveyor, rice is guided into the tank body, the water inlet pipe is communicated with the water supply heating assembly, hot water is input into the tank body, and the high-pressure component introduces high-pressure gas into the tank body from the bottom, so that the rice in the tank body is fully turned over, impurities are washed away, and the rice is discharged from the overflow component. The fermentation liquid circulating assembly enables materials in the tank body to keep balanced fermentation conditions in different areas, fermentation parameters can be accurately set and adjusted, the fermentation period is shortened, the fermentation efficiency is improved, and balanced management integrating cleaning, soaking and fermentation is achieved.

This invention relates to the field of cable protection conduit technology, specifically a flame-retardant and impact-resistant protective conduit for communication and power cables. The conduit includes a flame-retardant structure comprising an outer tube layer, the inner wall of which is fitted with a heat-resistant outer tube. An impact-resistant protective structure is provided on the inner wall of the inner mounting layer, including a cable mounting bracket outer tube located on the inner wall of the inner mounting layer. One end of the outer tube layer has a conduit interface structure. This flame-retardant and impact-resistant protective conduit for communication and power cables exhibits significant flame-retardant effects, effectively preventing flame spread, avoiding pipe combustion and dripping, and effectively absorbing impacts from external collisions and compression. It can withstand various external impacts such as outdoor construction, vehicle collisions, and heavy object compression. Furthermore, it improves splicing and connection efficiency, is suitable for large-scale cable laying projects, and can significantly shorten the construction cycle.

The utility model relates to a kind of inlay injection needle transition transfer devices, including a pair of transmission pulley, the transmission pulley rotation is set on the first rack, a transmission belt is tensioned and is set in a pair of the transmission pulley, the transmission belt is equipped with several vertical direction setting guide rail, each the slider is equipped on each guide rail, the side surface of each slider away from the guide rail is equipped with the protruding cylinder, carrier is also equipped on the upper side of each slider, further include driving device, the driving device includes drive cylinder, the drive cylinder is set in the bottom of first rack, the first rack is opened through hole, the piston rod of the drive cylinder passes through through hole and extends to below the cylinder, the end of the piston rod is also equipped with push plate, the push plate can push several the cylinder to make the slider ascend along the guide rail once, and the slider is driven by driving device and is lifted to the height of the first carrier in the needle tube needle seat assembly device along the guide rail.

This invention provides a high-voltage, high-capacity autotransformer, comprising: a supporting capacitor, an energy buffer bridge arm, and a converter valve assembly. The supporting capacitor forms part of the power transmission loop; the energy buffer bridge arm realizes the main power transmission and forms another part of the power transmission loop; the transformer commutation is achieved by controlling the number of bridge arm sub-modules engaged in the energy buffer bridge arm and the trigger signal of the converter valve assembly. The invention also provides a commutation operation method and a control method for this transformer. This invention realizes energy transfer from the low-voltage side to the high-voltage side, improves transformer efficiency, and achieves energy balance in the energy buffer bridge arm; by controlling the number of energy buffer bridge arm sub-modules engaged, reliable shut-off and near-zero voltage conduction of the converter valve are achieved, while providing two closed-loop modes: DC voltage and power control. This invention realizes a high-voltage, high-capacity DC transformer, and by using a semi-controlled converter valve, reduces device costs.

The utility model belongs to vacuum pump cooling technical field, concretely relates to a cooling circulation system for mechanical pump, including vaporizer, the vaporizer includes the interlayer of outside setting, the vaporizer bottom is provided with airflow delivery pipeline, the vaporizer top is connected with buffer tank, the buffer tank top is connected with vacuum mechanical pump, vacuum mechanical pump is connected with water storage jar, the water storage jar bottom is linked with the vaporizer bottom, the vacuum mechanical pump outside is provided with heat exchange coil pipe, the interlayer bottom is connected with circulating water pump, and the circulating water pump is linked with heat exchange coil pipe, and heat exchange coil pipe is linked with the interlayer upper portion. The utility model discloses a vacuum mechanical pump and vaporizer realize independent refrigeration through the cooperation, and do not rely on external energy, and the heat exchange coil pipe is integrated on the vacuum mechanical pump, realizes the independent cooling of mechanical pump, need not external cooling water source, also does not cause additional energy consumption.

The invention relates to the technical field of drilling machines, and discloses a drilling machine for construction and a control method thereof, the drilling machine comprises a mounting base, an auxiliary fixing assembly is arranged on the outer wall of the mounting base, a fixing bolt is in threaded connection with an inner cavity of the mounting base, and a locking hole is formed in the outer wall of the mounting base. According to the drilling machine for the building and the control method of the drilling machine, through a fixing ring arranged on the outer wall of a drilling cutter and a heat conduction pipe arranged on the outer wall of a supporting frame, when the temperature of the drilling cutter is too high, the temperature in the fixing ring can be continuously increased, the temperature of a heat conduction block is continuously increased, and therefore heat transfer is achieved; according to the dry-type drilling machine, a driving spring is driven to deform, a driving frame is pushed, an insulating rod enters the position between a current-conducting plate and a contact plate, equipment is powered off, a drilling cutter stops rotating, the situation that the temperature of the drilling cutter is too high, and the service life of the drilling cutter is affected is avoided, and when the temperature of the drilling cutter is too high, the dry-type drilling machine can be powered off and shut down in time.

This utility model discloses a single-stage material pusher device, belonging to the technical field of feeding equipment. The single-stage material pusher device includes a pusher plate and two mounting bases. A linear guide rail is fixedly mounted on the top of the pusher plate, and a dual-output shaft reducer is mounted on the bottom of each mounting base. A swing arm is mounted on the longitudinal output shaft of the dual-output shaft reducer. A connecting piece is provided between one end of the swing arm and the top of the linear guide rail. By utilizing the coordinated operation of the linear guide rail, dual-output shaft reducer, swing arm, connecting piece, and guiding mechanism, it achieves precise and efficient pushing action, solving the problems of poor stability and easy material deviation and drop in traditional pusher devices. It ensures the stability of the material during the pushing process and can flexibly adjust the pushing force and speed according to materials of different specifications and weights to meet diverse production needs, overcoming the lack of flexibility of traditional pusher devices when facing different materials.

The present application discloses a dual-station edge-finding mechanism and a wafer positioning device. The wafer positioning device comprises a dual-station edge-finding mechanism, a working chamber and a wafer conveying mechanism. The dual-station edge-finding mechanism comprises a first carrier, a first rotation drive component, a second carrier, a second rotation drive component and a detection component. The first carrier and the second carrier are used to receive wafers. After the carrier receives the wafer, it is driven to rotate with the wafer by the corresponding rotation drive component. When the wafer is rotated to the point where the notch thereon is in the detection position, the detection component can capture the notch information, thereby confirming that the wafer is adjusted to a preset state. The first carrier comprises a first connecting portion and a supporting claw, the supporting claw is arranged on the lower surface of the first connecting portion, the second carrier comprises a second connecting portion and a top column, the top column is arranged on the upper surface of the second connecting portion, and the two groups of carriers are arranged relatively to each other in the vertical direction so that two wafers to be edge-finded can be placed nearby, which can not only optimize the equipment structure, but also help to improve the edge-finding efficiency.

The present invention discloses a foamed thermal insulation ceramic plate, which relates to the field of ceramic thermal insulation plates, including a plate body, a heat-conducting net is pre-buried inside the plate body, the heat-conducting net is arranged close to the heating surface of the plate body, and when the plate body is heated, the heat-conducting net can transfer heat inside the plate body, and the heat-conducting net is arranged in two layers inside the plate body, one of which is close to one side of the plate body, and the other is close to the other side of the plate body; a connecting net is fixedly connected to the two heat-conducting nets respectively, and is located in the middle of the plate body. When the foamed thermal insulation ceramic plate is formed, the present invention puts the heat-conducting net in the poured slurry, and when the foamed thermal insulation ceramic plate is heated, the heating surface can transfer heat to the heat-conducting net, and the heat-conducting net can realize heat transfer inside the foamed thermal insulation ceramic plate, improve the heat transfer efficiency inside the foamed thermal insulation ceramic plate, and ensure that the foamed thermal insulation ceramic plate expands more evenly when heated, reducing cracking and bursting.

The present invention discloses a processing method of a flexible heat pipe, wherein the flexible heat pipe comprises a flexible main body, a first metal sheet and a second metal sheet, the flexible main body is bendable, the material of the flexible main body is a flexible material, the interior of the flexible main body has an evaporation chamber, a condensation chamber, and a liquid channel and a gas channel connecting the evaporation chamber and the condensation chamber, and the evaporation chamber and the condensation chamber are both cavity structures with bottom or side openings. In this flexible heat pipe, a working liquid is poured into the interior of the flexible main body, and the working liquid circulates between the evaporation chamber and the condensation chamber through the gas channel and the liquid channel to achieve heat transfer. Since the flexible main body is made of flexible material, it can be bent with electronic devices, thereby being able to meet the heat dissipation requirements under complex working conditions such as small space and foldable electronic devices, and by setting the first metal sheet and the second metal sheet, effective heat transfer is achieved to avoid the adverse effects of poor thermal conductivity of the flexible material. This invention is used in the field of heat pipe technology.

The utility model relates to the technical field of delivery windows, in particular to a lifting air shower delivery window which comprises a cabinet body, a filter and a high-pressure fan are arranged at the bottom of one end of the cabinet body, the air draft end of the high-pressure fan is connected with the air exhaust end of the filter, and the air inlet end of the filter is connected with the inner bottom of the cabinet body. A first cabinet door and a second cabinet door are arranged at the top and the bottom of the outer side of the cabinet body respectively, the first cabinet door is located at the top or the bottom of one side of the cabinet body, the second cabinet door is located at the top or the bottom of the other side of the cabinet body, a stainless steel plate used for lifting and supporting articles is arranged in the cabinet body, and air holes are distributed in the stainless steel plate. The cabinet body, the first cabinet door, the second cabinet door and the stainless steel plate form the delivery window which is of an up-down two-time structure, goods delivery can be achieved between people going up and down the floor, and the convenience of goods delivery between people going up and down the floor is improved.

The universal spring type adapter comprises a body, the front face of the body is provided with an abutting assembly used for being matched with the body to abut against an aircraft, and the back face of the body is provided with an antifriction piece; the aircraft can be quickly separated after being taken out of the cylinder, the friction resistance on the contact surface of the adapter and the inner wall of the cylinder is reduced, and the clamping stagnation phenomenon during filling and working of the aircraft is avoided.

The present invention relates to the technical field, and provides a detection signal transmission mechanism, and provides a developing box, wherein the detection signal transmission mechanism includes: a housing; a detected part, movably arranged on the housing; a transmission wheel, rotatably connected to the housing, and used to receive the driving force from the driving force receiving member; a transmission member, coaxially arranged with the transmission wheel and synchronously connected, and having at least one force-applying part on the transmission member, each force-applying part is circumferentially arranged on the transmission member and used to push the detected part to move on the housing, wherein the housing has a separation block, and the transmission member also has a separation force receiving part, the separation block is arranged on the movement path of the separation force receiving part and can push the separation force receiving part to separate the transmission member from the transmission wheel. Compared with the prior art, the present invention solves the technical problems of the complex structure, high manufacturing precision requirements and the risk of jamming of the current toothless gears, and has a simple and ingenious structure, which ensures the smooth transmission of the detection signal.

This invention belongs to the field of railway locomotive and rolling stock maintenance technology, and discloses a lifting and measuring device and a lifting machine. The lifting and measuring device includes a drive assembly, a weight transmission assembly, and two weight measuring assemblies. The weight transmission assembly includes a crossbeam connected to the output end of the drive assembly. The lifting assembly includes two parallel and spaced-apart brackets. The two weight measuring assemblies are mounted one-to-one on the two brackets. Each weight measuring assembly includes a support base and a weight sensor. The two support bases are rotatably fitted onto the crossbeam. When the drive assembly lifts the crossbeam, it drives the support bases to abut against the weight sensors. This lifting and measuring device effectively avoids the problem of inaccurate measurement of dynamic changes in the pressure point when the measuring device is placed in the lifting head. It has a simple structure, stable force measurement, and can accurately measure the lifting capacity of the lifting head.

The invention provides a semantic model training method and device, a semantic library establishing method and device and electronic equipment. The method comprises the steps that training data and a first semantic model are obtained; decomposing the training data to generate a plurality of levels of sub-feature sets; randomly selecting at least two sub-feature sets, and performing fusion based on sub-features in the sub-feature sets to generate a target training sample; training the first semantic model based on the target training sample to generate a second semantic model; a vector conversion device is added to the second semantic model to generate a third semantic model. By generating a plurality of levels of sub-feature sets and performing fusion to generate a target training sample, cross-level information transmission and fusion are realized, a model can better understand the internal structure and relevance of data, so that the performance and generalization ability of the model are improved, problems and corresponding vector representations are stored in a database, and the efficiency of the model is improved. And meanwhile, the method can adapt to the condition that the training sample is small.