842results about How to "Save time and cost" patented technology

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

The invention relates to the technical field of power system energy storage equipment testing, in particular to a small and medium-sized industrial and commercial energy storage cabinet twin-trawling testing system which comprises a main loop, a secondary control loop and an anti-countercurrent detection unit, the main loop comprises double testing loops and four sets of alternating current contactors, and multi-machine twin-trawling testing frameworks such as one-to-one, one-trawling-two and one-trawling-three can be flexibly combined; independent switching between grid connection and grid disconnection is supported, the secondary control loop comprises a button with a lamp and a grouping reset button, and the countercurrent prevention detection unit detects the energy flow direction in real time through an intelligent electric meter and a current sensor and has a mains supply charging function. According to the test system, through a double-loop parallel test architecture and a multi-machine flexible combination design, the system can be synchronously butted with multiple energy storage cabinets to carry out parallel test, the test efficiency can be improved, and a safety system with anti-countercurrent detection, rapid mode switching and precise control protection guarantees the test safety; the arrangement of the standardized terminal and the button with the lamp simplifies the operation difficulty, and reduces the test threshold.

The invention discloses a visible light-infrared multi-mode target detection method based on transfer learning, and relates to the technical field of target detection. The objective of the invention is to solve the technical problem of poor model training effect caused by a small number of partial category samples in existing visible light-infrared multi-modal target detection. The method comprises the following steps: firstly, supplementing pictures for categories with insufficient sample quantity in a data set so as to expand small sample category data quantity; then, a weight obtained by pre-training on the single-mode data is used as an initial weight of the YOLOv11 model; and finally, the initial weight is loaded to a visible light-infrared multi-mode target detection training process, and model training is completed. According to the method, the performance of the YOLOv11 model in a multi-modal target detection task is effectively improved by multiplexing the single-modal pre-training weight through transfer learning and combining a small sample data supplement strategy, compared with a non-transfer learning detection scheme, the detection precision and stability are remarkably improved, and the method can be widely applied to scenes needing multi-modal target detection.

A current measurement method based on a quantum technology judges the range of formant appearance after current change of a measured wire through a frequency sweep result based on feature points, adaptively locks microwave frequency for frequency sweep, reduces the time cost of the frequency sweep process, greatly compresses the microwave frequency sweep time, and improves the measurement accuracy. The quantum state signal extraction speed can be remarkably improved while the relative high sensitivity is kept, non-contact real-time current measurement is achieved, and the method is characterized by comprising the steps that an atom source is close to a measured wire to couple a magnetic field signal generated by current in the measured wire; the atomic quantum state control system of the atomic source is connected with an upper computer through an electrical integration module, based on the optical detection magnetic resonance technology, in the measurement process, feature points are selected near formants of optical detection magnetic resonance for frequency sweeping, the positions of the feature points are updated in a self-adaptive mode based on the frequency sweeping result of the feature points, and the measurement accuracy is improved. A microwave signal frequency band is adaptively matched with a formant, a current measurement value is obtained, global frequency sweeping is replaced by feature point frequency sweeping, and the measurement speed is increased.

The utility model relates to the technical field of excrement separation, and discloses an excrement separation drainage device for henhouse breeding, which comprises a shell, a separation mechanism is arranged outside the shell, a support frame is fixedly connected to the bottom of the shell, a surge bin is rotatably connected to the inside of the separation mechanism, a self-cleaning mechanism is arranged outside the surge bin, and the self-cleaning mechanism is fixedly connected to the bottom of the shell. The separation mechanism comprises a supporting block, a braking assembly is fixedly connected to the exterior of the supporting block, the braking assembly comprises a motor, the driving end of the motor is fixedly connected with a rotating shaft, a feeding pipe is fixedly connected to the interior of the shell, and a filter screen drum is rotatably connected to the exterior of the rotating shaft; and a feeding hole is formed in the outer part of the rotating shaft. According to the utility model, the supporting block is used for providing stable support for the motor and ensuring the stable rotation of the rotating shaft, so that the combined design of the filter screen drum and the spiral guide plate is ensured, primary solid-liquid separation is realized, the separation speed is increased, and the blocking risk is reduced.

The invention relates to the technical field of data standardization, is suitable for the field of vehicles and finance, and provides a vehicle transaction evaluation information processing method, computer equipment and a readable storage medium. Determining whether vehicle feature information matched with the vehicle transaction evaluation information exists in a vehicle information database or not; if the vehicle information database has the vehicle feature information matched with the vehicle transaction evaluation information, filling a to-be-input position of the vehicle transaction evaluation information with the vehicle feature information; and otherwise, if the vehicle information database does not have the vehicle feature information matched with the vehicle transaction evaluation information, entering a manual additional recording mode, and storing the vehicle feature information subjected to manual additional recording into the vehicle information database. According to the technical scheme, a standardized automatic processing flow of vehicle transaction evaluation information from extraction to input is realized.

The utility model discloses a kind of storage devices for cranberry processing, belong to cranberry processing technical field, to solve the existing technology aims at solving the traditional cranberry storage mode of existing technology usually is to directly stack the fruit after picking on the ground of warehouse or simple container, large amount of accumulation can make between fruit mutual extrusion, affect the quality of whole batch cranberry Problem. Including storage box, baffle and locking mechanism, the upper surface of storage box is provided with feeding opening, the inside of storage box is arrayed with multiple groups of layer plates, multiple groups of layer plates divide the inside of storage box into multiple independent storage cavities, the sidewall of storage box is respectively provided with baffle corresponding multiple storage cavities. The storage device for cranberry processing, cranberry can be automatically stored in different storage cavities in layer, avoid the centralized extrusion of large amount of fruit, effectively maintain the integrity and freshness of cranberry, reduce juice loss and loss of nutrient composition.

The application relates to a packaging engineering technology, in particular to a corrugated paperboard box for glass product transportation, which comprises a corrugated box, the top of the corrugated box is rotationally connected with two paperboard covers, the top of the paperboard cover is provided with a sealing cover mechanism, the inner wall of the corrugated box is fixedly connected with a plurality of vertical paperboards, the inner wall of the corrugated box is fixedly connected with a plurality of horizontal paperboards, the sealing cover mechanism comprises a first sealing strip, the bottom of the first sealing strip is fixedly connected to the top of one of the paperboard covers, the inner wall of the first sealing strip is detachably connected with a rubber strip, the top of one of the paperboard covers is detachably connected with a joint plate one, and the inner wall of the joint plate one is provided with a fixing assembly. The application has the effect that the sealing cover mechanism is added, so that the corrugated box is sealed without winding a large amount of adhesive tape outside the corrugated box, the adhesive tape does not need to be removed by means of tools, and the removal can be completed manually, thereby saving time and labor cost.

The utility model relates to the related technical field of biscuit processing machines, and one embodiment of the utility model provides a multifunctional integrated biscuit processing machine which comprises a base and a stirring container, the stirring container is arranged on the base, a moving table is arranged on the base, a driving motor is arranged on one side of the base, and a connecting moving assembly is arranged between the base and the moving table. The telescopic air cylinder is fixed to the base, the stable stirring assembly is arranged on the base and the telescopic air cylinder, the connecting and moving assembly comprises a connecting base, the connecting base is arranged on the surface of the moving table, the stirring container is installed in the connecting base, a control motor is installed in the moving table, and the output end of the control motor is connected with the stirring container. By means of the technical scheme, the technical problems that in the prior art, vibration is prone to being generated in the stirring process, stability is poor, and cleaning is inconvenient are solved.

The utility model relates to the technical field of LED display screen module installation, and discloses a module connecting device suitable for an ultrathin LED display screen, which comprises a sliding mechanism, a rotating mechanism is arranged in the sliding mechanism, a fixing mechanism is arranged in the sliding mechanism, and the sliding mechanism comprises a frame. An LED display screen module body is arranged in the frame, a sealing cover plate is connected to the inner wall of the frame in an inserted mode, sliding grooves are formed in the left side and the right side of the front end of the sealing cover plate, and guide rods are fixedly connected to the inner walls of the sliding grooves. By reversely rotating the rotating handle, the rotating rod drives the limiting block to reversely rotate in the limiting groove, the rotating rod presses the stopping block, stopping of the stopping block is relieved, the first spring rebounds rapidly, the inserting plate is easily pulled out of the groove in the inner wall of the frame, and then the sealing cover plate can be pulled out of the inner wall of the frame without any hindrance; therefore, the LED display screen module body can be quickly taken out, and the installation and maintenance time and the labor cost are greatly saved.

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

This invention introduces a large-model target detection method for conveyor belt foreign object sorting robots. The method comprises the following steps: S1: Data acquisition and construction for diverse and complex working conditions; S2: Semi-automatic data annotation via human-machine collaboration; S3: Data fine-tuning training based on a joint loss function; S4: Pruning and quantization reconstruction for edge nodes; S5: Real-time deployment at the edge and single forward inference; S6: Dynamic calculation of 3D coordinates and robot-assisted sorting; and S7: Intelligent generation of maintenance reports and loop closure for difficult samples. This invention, through LoRA-customized instruction fine-tuning, enables large models to output accurate bounding boxes in a single forward propagation, reducing inference latency to milliseconds and truly meeting the industrial-grade real-time sorting requirements of high-speed conveyor belt operation.

The utility model relates to the technical field of filter supports, and discloses a quadruple filter support which comprises a carrier and a filtering device, the top of the filtering device is detachably connected with a pressing table, the top of the pressing table is rotatably connected with a knob, the bottom of the knob is fixedly connected with a driven table, and the driven table is fixedly connected with a motor. A plurality of driven grooves are formed in the bottom of the driven table, driven columns are slidably connected to the interiors of the driven grooves, driven plates are rotatably connected to the exteriors of the driven columns, a plurality of driven blocks are slidably connected to the interior of the pressing table, and a first spring is fixedly connected to the inner wall of the left side of one of the driven blocks; the right side of the first spring is fixedly connected with a wedge-shaped block. According to the filter device, the pressing table is quickly disassembled and assembled, complex operation is not needed when the filter element is replaced, the filter element replacement efficiency is remarkably improved, manpower and time cost is saved, it is ensured that the pressing table stably fixes the filter element, the filter element is prevented from being separated in the using process, and stable operation of the filter device is guaranteed.

The present application relates to a combined inner core for nuclear medicine, comprising inner core assemblies, each of which is provided with at least one aperture of a hot spot hole; the inner core assemblies can be combined at will so that the combined inner core has at least six apertures of hot spot holes. A phantom structure is also provided, comprising a barrel body, the above-mentioned combined inner core and a barrel cover. An automatic bubble-free perfusion method for the phantom structure by means of an automatic perfusion device is also provided. The combined inner core of the present application is flexible to use, and can obtain the required resolution information in a single resolution evaluation. The cumbersome process of replacing the inner core and re-perfusion is avoided. The inner core assemblies of the present application are easy to process, saving production cost and time cost. The perfusion method enables the operator to minimize the risk of possible radiation hazards.

The utility model discloses a split type down lamp outer cover and down lamp thereof, including the shell, the top of shell is disconnected and is connected with the lamp cover, and the inside of shell is provided with accommodating chamber, and the lamp cover is used for sealing the top of shell, and the disconnection and connection is convenient for dismounting and transportation, and the accommodating chamber and the shell are integrally formed and convenient for installing the lamp, the utility model discloses through the split type structure design of upper outer cover and lower outer cover makes each part can produce alone, flexible assembly, and the split direct stamping can, and the split can be fitted together, and the occupied space is reduced greatly, and the packing and the logistics cost in the transportation process are reduced, guaranteeing the light output symmetry through the central arrangement of LED board lamp pearl, and the light cup of inner wall is handled through high reflection, and the scattered light of lamp pearl is gathered effectively, and the light utilization rate is improved, the quick fixing of down lamp is realized through the elastic deformation of lamp decoration spring clamp, and the top is sealed through the lamp cover, and the impurities such as dust, water vapor are blocked.

This invention provides a method, apparatus, electronic device, and storage medium for predicting species distribution, relating to the field of ecological data analysis technology. The method includes: acquiring raw data of the target species, training multiple base models in parallel based on the raw data, and outputting the species existence prediction probability and model performance indicators of each base model; constructing an environmental state based on the model performance indicators, using the environmental state as the first reward signal, and adjusting candidate environmental variables using a proximal strategy optimization algorithm to obtain an optimal subset of environmental variables; wherein the candidate environmental variables are determined based on the raw data; determining multi-source training samples for geographical units based on the optimal subset of environmental variables; performing multiple rounds of iterative training on each base model based on the multi-source training samples to output a final weight allocation scheme; and performing weighted fusion processing on each base model based on the final weight allocation scheme to generate a species distribution prediction result. This invention can effectively improve the accuracy of species distribution prediction.

The utility model belongs to movable type support pier structure in the field of shipbuilding technology. The drive wheel (10) of first motor (9) of one side of support pier body (3) connects first track assembly (1), the drive wheel (10) of second motor (11) of the other side of support pier body (3) connects second track assembly (7), and the bottom of support pier body (1) is provided with lifting component (6), and the lifting rod (8) of bottom lifting component (6) is connected with the bottom of support pier body (3). The movable type support pier structure has simple structure, can satisfy reliable lifting support in the process of shipbuilding, can be automatically moved in short distance on site, saves manpower, saves time and is at ease, and improves shipbuilding efficiency.

This utility model discloses a small water quality sampling device that can be mounted on a remote-controlled boat, belonging to the technical field of water sample collection equipment. It includes a battery pack, a first copper wire, a signal receiving and control module, a second copper wire, a geared motor, a bracket, a mounting frame, and a water sampler. The battery pack is connected to the signal receiving and control module via the first copper wire, and the signal receiving and control module is connected to the geared motor via the second copper wire. A first pulley is connected to the geared motor, and a second pulley is provided on the mounting frame. A traction line is connected to the water sampler, and the traction line passes around the second pulley and connects to the first pulley. This utility model uses the aforementioned small water quality sampling device that can be mounted on a remote-controlled boat to replace the traditional sampling method that relies on foam floats or manual rowing using plexiglass. It enables rapid collection of water samples from any point and target water layer in aquaculture ponds, significantly reducing the intensity of sampling work, time costs, and operational risks in inclement weather.

The utility model relates to photovoltaic panel installation technical field discloses a photovoltaic panel mounting structure of photovoltaic energy storage system, include: photovoltaic panel, both sides of photovoltaic panel can detachable installation have first locking plate, a plurality of first lock teeth are fixedly connected on the first locking plate.

This utility model discloses an air blowing device, comprising: a driving component; a driving gear; the driving gear being connected to the driving component in a transmission manner; at least one set of air blowing components; the air blowing components include: a driven gear, a rack, and an air blowing element; the driven gear is located between the driving gear and the rack, and meshes with both the driving gear and the rack respectively, so that the rack can move along its own extension direction; the air blowing element is connected to the rack and can follow the rack's movement; the air blowing element has an air outlet, which is positioned facing the product to be blown. In this technical solution, the driving component drives the driving gear to rotate the driven gear. Since the driven gear meshes with the rack, under the action of the rack, the forward and reverse rotation of the gear is converted into linear reciprocating motion, allowing the air blowing element connected to the rack to perform reciprocating air blowing cleaning work on the product to be blown, replacing the original manual handheld air gun cleaning, greatly improving efficiency, and saving time and labor costs.

The utility model discloses wood product heat treatment fumigation equipment, and relates to the technical field of wood product treatment. The wood product heat treatment fumigating equipment comprises a fumigating box and an exhaust pipe fixedly arranged on the top face of the fumigating box in a penetrating mode and extending into the fumigating box, and a fumigating mechanism and a control mechanism are arranged on the inner side of the fumigating box; the control mechanism is located on the outer wall of the fumigating mechanism; the fumigation mechanism comprises a placing part and a fumigation part; the placing part comprises a placing frame and a plurality of placing plates, and the fumigating part comprises an air inlet pipe and a turbine; the fumigation device has the technical effects that the steam inlet pipe in the fumigation mechanism introduces steam into the fixed frame and drives the turbine to rotate to enable the rotating box to rotate, the rotating box exhausts the steam through a plurality of steam outlet pipes, the steam spraying range is enlarged, the steam spraying effect is improved, and the steam spraying effect is improved. All parts of the wooden product are fully fumigated, the fumigating effect is improved, the wooden product quality is guaranteed, and the insect attack risk is reduced.

The application discloses a kind of laser direct writing gray exposure parameter prediction methods based on neural network, belong to gray exposure technical field.This method is used to solve the problem of low efficiency caused by relying on a large number of experimental dose test in traditional gray exposure, inaccurate parameter optimization and insufficient accuracy of prediction model.The technical solution is as follows: first, the data of gray and etching depth under different exposure parameters are obtained by experiment to train the forward neural network model;then, the exposure time that makes the predicted depth greater than the target maximum depth is found by fixing the light intensity and using the model;finally, the gray value matched with the target depth is obtained based on the determined exposure parameters.The application can quickly and accurately predict the optimal exposure time, light intensity and gray value according to the target etching depth, thereby eliminating the repeated dose test process.

This invention discloses a radar target angle measurement method under main lobe interference based on a joint air-pole cancellation algorithm. The implementation steps are as follows: receiving the echo signal from a dual-polarized radar antenna array; estimating the autocorrelation matrix of the auxiliary antenna using the echo signal; performing multi-directional beamforming on the main antenna echo signal, calculating the cross-correlation matrix of the main and auxiliary antennas using the beamforming results, and calculating adaptive weights using the minimum mean square error criterion; calculating the joint air-pole cancellation output using the adaptive weights, and using the scanning angle corresponding to the maximum magnitude in the joint air-pole cancellation output as the target angle estimate. The angle measurement method designed in this invention significantly improves the accuracy of target angle estimation while maintaining low computational load under main lobe interference conditions, and has high engineering application value.

This utility model discloses a low-resistance, high-efficiency air filter, belonging to the technical field of filtration equipment. It includes a mounting box and a blower. The blower is housed within the mounting box, and an air outlet pipe is located at the top of the mounting box, connecting to the outlet end of the blower. An air inlet box is fixedly connected to the back of the mounting box, with an air inlet pipe connected to its upper end. An exhaust pipe is fixedly connected to the lower end of the air inlet box, connecting to the inlet end of the blower. Several slots are provided on the back of the air inlet box, each containing a filter frame. This utility model improves maintenance efficiency and makes the device more convenient to use by incorporating filter frames. It can quickly adapt to different air filtration needs. By using filter cotton, it provides air purification, improving air filtration efficiency and ensuring a stable output of filtered air to meet the air purification requirements of various locations.

The invention relates to the field of underground cavern group blasting construction, and particularly discloses an underground cavern group blasting construction working face dust control intelligent spraying method which comprises the steps that acoustic information and scene sequence images of a construction site are collected, and working face blasting construction procedures are obtained; after it is confirmed that blasting is completed on the construction site, real-time dust concentration space distribution information of the construction working face is obtained according to the scene sequence image; a spraying working position is determined according to the dust concentration space distribution information, and a navigation positioning system is used for autonomous navigation to reach the spraying working position; spraying parameters are determined according to the dust concentration space distribution information, and spraying work is started; the spraying effect is evaluated according to the real-time dust concentration space distribution information, and spraying work is stopped after the dust concentration control condition reaches the standard. The invention further provides a corresponding device. According to the method and the device, the dust concentration can be obtained in real time, and intelligent rapid dust falling autonomous operation can be implemented.

The invention discloses a blast furnace incoming iron management data processing system and method. Comprising a data display module, a query module, an export module and a data operation module. The data display module is provided with a converter molten steel receiving display unit, a molten steel receiving team statistical display unit, a blast furnace incoming iron scrap display unit and a blast furnace incoming iron team statistical display unit; and the converter molten steel receiving and displaying unit is used for displaying detailed data received by the converter, wherein the detailed data comprises converter heat, blast furnace heat, time, ladle number, molten iron components and operation information. According to the invention, by integrating blast furnace incoming iron related data and intensively displaying various types of data on different pages, unified management of the data is realized. Meanwhile, convenient data entry, modification and deletion operation and efficient query and export functions are achieved, the time and labor cost of data management are greatly saved, and the data management efficiency is improved.

The application provides a method for post-processing of a photosensitive resin component, and belongs to the technical field of photosensitive resin, and comprises the following steps: immersing the photosensitive resin component into a solution to obtain an intermediate; and sequentially performing atomization treatment and solidification on the intermediate to complete the post-processing. The photosensitive resin component is placed in an atomized environment for photocuring, the surface properties of the component are improved, the adhesion of the model surface is reduced to a certain extent, the surface color of the original component is changed, the surface smoothness is increased, the surface quality of the component after solidification is improved, the surface protection effect of the component is achieved, and the service life of the photosensitive resin component is prolonged.

The utility model discloses a vehicle wire harness connector and a vehicle, the vehicle wire harness connector comprises a male end sheath and a female end sheath, the male end sheath and the female end sheath are correspondingly provided with a plurality of wire harness access holes, the housing of the female end sheath is provided with a mounting warping plate, the housing of the male end sheath is provided with a mounting groove matched with the mounting warping plate, and the mounting warping plate is provided with a mounting groove matched with the mounting warping plate. And the mounting warping plates are positioned on the two sides of the female end sheath and are clamped with the mounting grooves on the corresponding sides. And the female end sheath and the male end sheath are clamped in a manner of arranging the mounting warping plate. The installation warping plates are arranged on the two sides of the female end sheath, the female end sheath is connected with the two ends of the male end sheath, the connection stability is improved, the installation warping plates at the two ends achieve the guiding effect on connection of the male end sheath and the female end sheath, smooth connection of wire harnesses is guaranteed, winding disorder is avoided, and when maintenance and disassembly are needed, the installation warping plates are not damaged. The female end sheath can be easily separated from the male end sheath by pressing down the mounting warping plates on the two sides, and maintenance personnel can carry out disassembly and assembly work with one hand under the condition that the space is limited, so that the maintenance efficiency can be improved.

The utility model discloses a rotating vibration disc protection device, including clamping material bin shell, the detachable protective cover of installation on clamping material bin shell, and clamping material bin shell and protective cover cooperate, and cover on vibration disc mechanism together, still include locking assembly, set up on clamping material bin shell, and locking assembly includes locking wheel and recess, when locking wheel is located in recess, make protective cover fixed in clamping material bin shell. The utility model discloses through setting up clamping material bin shell and locking assembly, and clamping material bin shell and protective cover cover on vibration disc mechanism together, form all -round closed protection, effectively block outside dust, sundries and operator's accidental contact, reduce equipment damage risk, prolong the service life of vibration disc, and locking assembly can easily realize the locking and unlocking of protective cover through the rotation adjusting lever, and the operation is simple and quick, greatly saves the time and manpower cost of equipment maintenance and maintenance.

The utility model discloses a combined gantry hoisting beam, which relates to the technical field of gantry hoisting beams and comprises a first end beam structure, a second end beam structure is arranged on one side of the first end beam structure, and the upper end of the first end beam structure and the upper end of the second end beam structure are connected with a main beam structure. The main beam structure is connected with a suspension arm crane in a sliding manner; when the combined gantry hoisting beam is used, the combined gantry hoisting beam can quickly adapt to environments with different ground height differences through a height adjusting system consisting of the rotating motor, the screw rod and the chassis, complicated auxiliary equipment is not needed, the operation limitation is reduced, and the application range is expanded; compared with manual adjustment, the motor drives the screw to adjust the height, the speed is higher, operation is easy and convenient, the height of the end beam structure and the ground can be adjusted in a short time, the equipment debugging time is shortened, and the working efficiency is improved.