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30results about How to "Liberate manual operation" patented technology

Fallen leaf sweeping equipment integrating automatic sweeping, smashing and extrusion forming and capable of being used with motor vehicle

The invention provides fallen leaf sweeping equipment integrating automatic sweeping, smashing and adhering extrusion forming and capable of being used with a motor vehicle such as a tractor or a gasoline engine. The fallen leaf sweeping equipment completes integrated operation including collection, smashing and adhering extrusion forming of fallen leaves by combining sweeping rollers with a conveying belt, combining the conveying belt with a smashing bin and combining the smashing bin with an adhering extrusion forming device. The technical scheme includes that the fallen leaf sweeping equipment comprises an inward-cleaning sweeping roller, an ascending sweeping roller, the scraper conveying belt, the smashing bin, the adhering extrusion forming device and the like, wherein the inward-cleaning sweeping roller collects the fallen leaves in front of and on two sides of the fallen leaf sweeping equipment to the position between the two sweeping rollers, the collected fallen leaves are conveyed to the smashing bin by the ascending sweeping roller and the scraper conveying belt which are in tangent connection, and smashed fallen leaf residues are mixed with adhesives prior to entering the adhering extrusion forming device to be compressed to form blocks. The fallen leaf sweeping equipment has the advantages that the fallen leaf sweeping equipment completes collection, smashing and adhering extrusion forming of the fallen leaves by means of mechanical force to achieve recycle of the fallen leaves, the problem of difficulty in fallen leaf recycle is solved, resource waste and environmental pollution are avoided, and good economic benefits and popularization value are achieved.
Owner:QINGDAO AGRI UNIV

Packaging bag binding machine

The invention discloses a packaging bag binding machine. The packaging bag binding machine comprises a rubber band screening device, a rubber band push-open device and a packaging bag conveying device, wherein the rubber band screening device comprises a vibration disk which comprises a feed hopper and a feeding track; the outer edge of the feeding track is fixed on the inner wall of the feed hopper; the feeding track spirally rises; a feeding hole is formed in the upper end of the feeding track; a screening track is fixed outside the feeding track; at least one block component is fixed on thescreening side wall; the distance between the far end of the block component and the outer edge of the screening bottom wall is greater than the thickness of one rubber band and is less than the thicknesses of the two rubber bands; the rubber band push-open device is arranged at the tail end of the screening track and is used for pushing open rubber bands screened by the rubber band screening device; and the packaging bag conveying device is used for conveying packaging bags to openings of the rubber bands pushed open by the rubber band push-open device. The packaging bag binding machine hasthe beneficial effects that the packaging bag binding machine realizes automatic operation, frees the manual work, exempts the limitations from the technical proficiency of operators, has high expansibility and is simple in structure and low in cost.
Owner:佛山市团凌塑料机械有限公司

Flat-plate conveying device

The invention discloses a flat-plate conveying device. The flat-plate conveying device comprises a stacking tank for placing flat plates; the lower part of the stacking tank is mounted on a bottom guiding component at the lower part; the bottom guiding component comprises an outlet allowing the flat plates to enter or leave; a supporting plate for supporting the flat plates and a transfer device for pushing out the flat plates through a telescopic stop block are arranged below the bottom guiding component; the transfer device comprises a transfer connection component and a transfer power source which are connected with the telescopic stop block as well as a transfer guiding component for restraining the conveying direction of the flat plates; one side of the transfer guiding component is connected with the outlet, and a terminal flat-plate chamber used as the conveying end point of the flat plates is arranged on the other side; and a clamping device for clamping the flat plates is arranged below the terminal flat-plate chamber and comprises a clamping power source, a clamping component and a clamping connection component connected between the clamping power source and the clampingcomponent. According to the flat-plate conveying device, the labor can be reduced, so that the automation degree can be greatly increased, and the efficiency can be greatly improved.
Owner:JIANGSU SKYRAY INSTR

Cleaning equipment for treating electroplated copper balls

The invention discloses cleaning equipment for treating electroplated copper balls. The cleaning equipment comprises an equipment body; a cover body is arranged at the top of the equipment body; an air valve is arranged at the circle center of the upper end of the cover body; three sets of supporting legs are arranged at the bottom of the equipment body; a connecting frame is erected among the three sets of supporting legs; a hydraulic cylinder is arranged on the upper end face of the connecting frame and located among the supporting legs; a hydraulic rod is arranged in the hydraulic cylinderin a penetrating mode; a containing base is arranged at the bottom end in the equipment body; a cleaning cylinder is arranged at the upper end of the containing base; a filtering device is arranged atthe bottom end in the cleaning cylinder; a liquid inlet pipe is arranged at one side of the upper end of the cleaning cylinder, and a liquid outlet pipe is arranged at the other side of the bottom ofthe cleaning cylinder; a feeding hole is formed in the upper end of the same side of the liquid outlet pipe; and a discharging hole is formed in the bottom of the same side of the liquid inlet pipe.According to the cleaning equipment for treating the electroplated copper balls, a stirring device is arranged, and a stirring paddle spirally clings to the upper end of a rotating shaft, so that a solution can be better driven to spirally rotate, the copper balls can be in more sufficient contact with the solution, and the cleaning efficiency of the equipment is prompted.
Owner:深圳市鑫达辉软性电路科技有限公司

Automatic liquid metering and batching system

PendingCN113019252AAccurate and efficient meteringFast and accurate measurement in real timeRotary stirring mixersTransportation and packagingProcess engineeringIndustrial engineering
The invention discloses an automatic liquid metering and batching system, and aims to solve the problems that the efficiency is low, metering errors are easy to generate and the stability of proportioning is difficult to guarantee in a traditional manual material taking-weighing metering-mixing-finished product discharging-cleaning method. According to the key points of the technical scheme, the automatic liquid metering and batching system comprises a rack, a raw material storage module, a discharging module, a weighing module and a conveying module are arranged on the rack, the automatic liquid metering and batching system further comprises a stirring and discharging module and a cleaning module, the raw material storage module is used for storing raw materials, and the discharging module is used for pouring the raw materials in the raw material storage module into a batching tank for batching. The weighing module is used for accurately weighing the batching tank filled with the raw materials. According to the automatic liquid metering and batching system, the raw material storage module, the discharging module, the weighing module, the conveying module, the stirring and discharging module and the cleaning module are arranged on the rack, so that the purpose of efficiently and accurately metering and proportioning raw materials is achieved.
Owner:金华市中臣工艺品有限责任公司

A simple device for detecting verticality in the process of component installation and its application method

The invention discloses a simple device for detecting the verticality during the component installation and a using method thereof. A sliding trolley is positioned on a curved slide rail and freely slides along the slide rail under gravity. The middle of the sliding trolley is provided with a reserved hole for a first magnet to pass freely, and the reserved hole is provided with an opening in themiddle of the side away from the fixing frame. The light-emitting diode moves freely with a pendant, and illuminates a light guide plate at the bottom through the opening, thereby triggering the opening of an elongation photoelectric switch and a contraction photoelectric switch, and driving the elongation or contraction of an electric support rod. According to the simple device for detecting theverticality during the component installation and the using method thereof, under the premise of not changing the construction process of an original prefabricated component, a device similar to the pendant that is always kept vertical under gravity is adopted. The photoelectric triggering mode is used to provide a command signal for an adjusting device, thereby automatically adjusting the verticality of the tested component. The device fully-automatically regulates the verticality of the component to be installed, thereby greatly liberating the manual operation, saving time and labor, and ensuring the safety and accuracy of the operation.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +1

Glass slide labeling device

The invention discloses a glass slide labeling device . The glass slide labeling device comprises a glass slide conveying mechanism, wherein the glass slide conveying mechanism is provided with a glass slide stacking part, a glass slide carrier and a glass slide conveying part used for conveying glass slides in the glass slide stacking part to the glass slide carrier, the glass slide carrier is provided with a first containing groove, the glass slide conveying part is provided with a first conveying part used for outputting the glass slides from the lower part of the glass slide stacking part to a first station and a second conveying part used for conveying the glass slides at the first station to the first containing groove, the glass slide stacking part is provided with a storage cavity, and the lower end of the storage cavity is provided with an opening used for falling of the glass slides; a label printing mechanism; and a taking mechanism used for pasting the labels on the glass slides. By adopting the stacking device, a large number of glass slides can be borne, the glass slides can be automatically conveyed, the labor cost is reduced, and meanwhile, the labels corresponding to body fluid to be smeared are attached to the glass slides, so that the situation that an analysis result does not correspond to the body fluid is avoided.
Owner:JIANGSU SKYRAY INSTR

Culture dish conveying mechanism

The invention discloses a culture dish conveying mechanism. The culture dish conveying mechanism comprises a rotary stacking device, a rotating device used for rotating the rotary stacking device anda conveying device used for outputting culture dishes from the lower portion of the rotary stacking device, wherein the rotary stacking device comprises a plurality of stacking grooves which are in central symmetry, located in the outer side and used for placing the culture dishes, each stacking groove comprises a plurality of stand columns which constrain the culture dishes and only have up-and-down freedom degrees relative to the culture dishes, the rotary stacking device is installed on the rotating device through a rotating disc, the rotating disc is provided with a plurality of semi-closed through holes for falling the culture dishes, notches for outputting the culture dishes through the conveying device are formed in the outer sides of the semi-closed through hole, and the conveyingdevice comprises a conveying seat and a conveying power source. According to the culture dish conveying mechanism, the rotating device is adopted so that a large number of culture dishes can be borne,the labor is reduced, the culture dishes can be automatically rotated and conveyed, and the number and the existence of the culture dishes can automatically be detected, so that the automation degreeis greatly improved, and the efficiency is greatly improved.
Owner:JIANGSU SKYRAY INSTR

Radio frequency identification coffee machine capable of improving accurate identification efficiency

The invention discloses a radio frequency identification coffee machine capable of improving accurate identification efficiency, which comprises a coffee machine main body and a radio frequency identification mechanism, the radio frequency identification mechanism comprises an output part, a code scanning identifier, a speed control part used for improving the accuracy of material identification, a crushing part and a separating part, and the output part comprises a transmission cavity and a transmission belt. A fixing plate is arranged in the transmission cavity, the code scanning identifier is arranged on the upper right portion of the transmission belt, a material sliding plate connected with the inner wall of the transmission cavity through a supporting frame is arranged on the lower right portion of the transmission cavity, a discharging opening communicated with the interior of the transmission cavity is formed in the outer side of the coffee machine body, the crushing part comprises a crushing groove, and a crushing roller is arranged in the crushing groove. By arranging the radio frequency identification mechanism, systematic conveying identification and automatic bag cutting material storage can be effectively carried out on each material package to be put into the coffee machine main body, manual operation is greatly liberated, more manpower participation is not needed, and the working efficiency is remarkably improved.
Owner:LUAN SOYEA ELECTRIC APPLIANCE MFG CO LTD

Method and machine for continuously feeding box holders in medicine bottle packaging processing

The invention relates to a method for continuously supplying box holders in medicine bottle packaging processing and a holder feeding machine. The purpose of the present invention is to solve the problems in the prior art that the storage of the box holder requires manual operation by workers, which is labor-intensive and noisy. The present invention includes a delivery module and a sub-support module, and also includes a storage module for storing box holders and a dodging device for pushing out the inner box holder of the storage module to the delivery module; the dodging device includes a cylinder, a fixed cylinder The cylinder frame and the push plate fixed with the piston end of the cylinder; the depository module includes a depository bin with an open top, a lifting plate across both ends of the depository bin and a second power source that cooperates with the lifting plate to make it displace. The beneficial effects of the present invention are: the box tray can be stored in a large quantity in the depository module, the degree of automation is improved, and the labor intensity of the workers is reduced; the comfort level of the worker's working environment is improved; the maintenance is convenient; and it can be adapted to multiple varieties and sizes The conveying of the box tray has a high utilization rate.
Owner:TIANJIN RES INST FOR ADVANCED EQUIP TSINGHUA UNIV

A fallen leaf cleaning equipment that integrates automatic cleaning, crushing and extrusion molding and can be used in conjunction with motor vehicles

The invention provides fallen leaf sweeping equipment integrating automatic sweeping, smashing and adhering extrusion forming and capable of being used with a motor vehicle such as a tractor or a gasoline engine. The fallen leaf sweeping equipment completes integrated operation including collection, smashing and adhering extrusion forming of fallen leaves by combining sweeping rollers with a conveying belt, combining the conveying belt with a smashing bin and combining the smashing bin with an adhering extrusion forming device. The technical scheme includes that the fallen leaf sweeping equipment comprises an inward-cleaning sweeping roller, an ascending sweeping roller, the scraper conveying belt, the smashing bin, the adhering extrusion forming device and the like, wherein the inward-cleaning sweeping roller collects the fallen leaves in front of and on two sides of the fallen leaf sweeping equipment to the position between the two sweeping rollers, the collected fallen leaves are conveyed to the smashing bin by the ascending sweeping roller and the scraper conveying belt which are in tangent connection, and smashed fallen leaf residues are mixed with adhesives prior to entering the adhering extrusion forming device to be compressed to form blocks. The fallen leaf sweeping equipment has the advantages that the fallen leaf sweeping equipment completes collection, smashing and adhering extrusion forming of the fallen leaves by means of mechanical force to achieve recycle of the fallen leaves, the problem of difficulty in fallen leaf recycle is solved, resource waste and environmental pollution are avoided, and good economic benefits and popularization value are achieved.
Owner:QINGDAO AGRI UNIV

Fine stamping deflashing machine for die machining

The invention discloses a fine stamping deflashing machine for die machining which includes a workbench, wherein brackets are arranged on the two sides at the bottom end of the workbench; a connectingframe is erected between the two groups of brackets; a water tank between the two groups of brackets is positioned at the upper end of the connecting frame; a cleaning device is arranged on one sideon the outer surface at the upper end of the workbench; a treatment device is arranged at one end, at the upper end of the workbench, of the cleaning device; a rotating motor is arranged at the upperend of the cleaning device; two groups of first connecting rods are arranged at the upper end of the treatment device in a penetrating manner; a first cutting wheel and a second cutting wheel are arranged at the bottom end of each group of first electric telescopic rod; a die to be treated is clamped at the upper end of a clamping frame. According to the fine stamping deflashing machine for die machining, the two groups of cutting wheels improve the flash treatment efficiency and effectively reduce damage to the die; through arranging a blasting mechanism and a water tank, dust generated whenthe machine is in idle and scraps generated during operation can be treated, so that the stable operation of the equipment can be guaranteed.
Owner:衡阳市振洋汽车配件有限公司

Single-drive double-shaft conveying method

The invention discloses a single-drive double-shaft conveying method. The method comprises the following steps that 1, a single-drive motor drives a primary conveying shaft to rotate and enables a swing arm with one end fixed on the primary conveying shaft to rotate around the axis of the primary conveying shaft, meanwhile, the primary conveying shaft drives a secondary conveying shaft rotationally arranged at the other end of the swing arm to rotate, a taking part mounting arm with one end fixed to the secondary conveying shaft is rotated around the axis of the secondary conveying shaft, and then a taking part fixed on the other end of the taking part mounting arm is conveyed to a label outlet in one step; 2, a label is taken by the taking part; and 3, the single-drive motor reversely drives to convey the taking part to a labeling preset station from the label outlet, and then operation is finished or a next conveying period is entered. According to the method, only one motor is used for driving the primary conveying shaft to rotate, meanwhile, the primary conveying shaft is in transmission with the secondary conveying shaft rotationally mounted on the primary conveying shaft, and therefore the primary conveying shaft and the secondary conveying shaft rotate together to convey the label to the designated position in one step.
Owner:JIANGSU SKYRAY INSTR

Single-drive double-shaft conveying device

The invention discloses a single-drive double-shaft conveying device. The single-drive double-shaft conveying device comprises a fixing seat, a single-drive motor, a double-shaft conveying mechanism, and a taking part installing arm; the single-drive motor is mounted on the fixing seat, the double-shaft conveying mechanism comprises a primary conveying part, a secondary conveying part and a taking part, the primary conveying part comprises a primary conveying shaft, a primary transmission assembly and a swing arm, one end of the swing arm is fixedly installed on the primary conveying shaft, the primary conveying shaft is rotationally installed on the fixing seat and is connected with an output shaft of the single-drive motor through the primary transmission assembly, a secondary transmission shaft comprises a secondary conveying shaft rotationally installed at the other end of the swing arm, and the secondary conveying shaft is connected with the primary conveying shaft through a secondary transmission assembly; and the taking part installing arm is fixed on the secondary conveying shaft, and a taking part is installed on the taking part installing arm. According to the device, only one motor is used for driving the primary conveying shaft to rotate, meanwhile, the primary conveying shaft is in transmission with the secondary conveying shaft rotationally installed on the primary conveying shaft, and therefore the primary conveying shaft and the secondary conveying shaft rotate together to convey a label to the designated position in one step.
Owner:JIANGSU SKYRAY INSTR

Method for continuously supporting box support in medicine bottle packaging process and supporting machine

The invention relates to a method for continuously supporting a box support in a medicine bottle packaging process and a supporting machine. The method and the supporting machine aim to solve the problems that in the prior art, a worker is required to manually store box supports, the labor intensity is large and the noise is high. The supporting machine comprises a support transfer module and a support dividing module, and further comprises a support storage module for storing the box support and a support pushing device for pushing box support in the support storage module to the support transfer module, wherein a support pushing device comprises a gas cylinder, a gas cylinder frame for fixing the gas cylinder and a push board fixed with a piston end of the gas cylinder; the support storage module comprises a support storage cabin with a top opening, a lifting board transversely crossing the two ends of the support storage cabin and a second power source which is matched with the lifting board and meanwhile enables the lifting board to move. The method and the supporting machine have the benefits as follows: large-batch box supports can be stored in the support storage module, the degree of automation is improved, and works' labor intensity is lowered; the degree of comfort of the works' working environment is boosted; the maintenance is convenient; various types of box supports with different sizes can be transferred, and the utilization ratio is high.
Owner:TIANJIN RES INST FOR ADVANCED EQUIP TSINGHUA UNIV

Electric power safety Internet of Things SF6 gas leak detector

The invention discloses an electric power safety Internet of Things SF6 gas leak detector, which comprises an instrument main body and a leak detection assembly. A conduit is connected between the instrument main body and the leak detection assembly, a cabin door is arranged at the front end of the instrument main body, a hinge part is arranged at the joint of the instrument main body and the cabin door, and a self-locking assembly is arranged in the cabin door on the other side of the hinge part. An alarm lamp is arranged at the top of the instrument body, an equipment operation prompt lamp,an early warning prompt lamp and an overhaul prompt lamp are sequentially arranged at the top of the display screen, and the two sides of the leakage detection assembly are sleeved with protection pads. According to the electric power safety Internet of Things SF6 gas leak detector, the air pump and the connecting pipe are arranged, air in equipment to be detected is guided into the detector bodythrough the connecting pipe, a worker is prevented from making contact with the S-shaped probe, and therefore the safety performance of the detector is improved, and the detector has the early warningfunction through the early warning prompt lamp and the alarm lamp; and through the arrangement of the mounting plate, the gas leak detector is more convenient to mount and dismount.
Owner:张远铭

Shoulder support structure and method for correcting violin playing support position

The invention provides a shoulder support structure for correcting a violin playing support position and a working method thereof. The shoulder support structure comprises a box body structure, a bearing sliding bracket, a driving structure and a shoulder support, when the shoulder support needs to be mounted, an auxiliary structure is provided, the shoulder support is firstly placed at the positions of the backrest plate and the mounting block through the inserting seam, namely, the clamping groove of the clamping piece at the bottom of the shoulder support is placed at the position of the notch groove, and the notch part is exposed to the inner side of the notch part. Therefore, the violin only needs to be inserted into the bearing sliding bracket, then the violin gradually moves towards the rear side, when the violin and the bearing sliding bracket are gradually close to each other, the clamping groove gradually moves towards the direction with the large spacing distance between the arc-shaped edges, and meanwhile the elastic connecting plate is driven to turn outwards to be opened. Therefore, the clamping grooves in the two sides of the main body plate are firmly clamped to the positions, with the maximum spacing distance, of the arc-shaped edges to form a firm clamping relation.
Owner:YANSHAN UNIV

Flat plate rotating conveying mechanism

The invention discloses a flat plate rotating conveying mechanism. The flat plate rotating conveying mechanism comprises a rotating device and a conveying device for outputting a flat plate, the rotating device comprises a rotating disc with a semi-closed through hole in the upper portion, the rotating disc is directly or indirectly connected with a rotating power source through a rotating part, the hole wall of the inner side of the semi-closed through hole is matched with the outer side of the flat plate in shape, the rear side of the semi-closed through hole is provided with a rear groove for telescoping a telescopic part, a bottom support structure used for supporting the flat plate is further arranged at the bottom of the rotating disc, a transverse groove is formed in the bottom of the bottom support structure, the rotating disc is provided with a plurality of semi-closed through holes used for allowing the flat plate to fall, notches used for outputting the flat plate through the conveying device are formed in the outer sides of the semi-closed through holes, the conveying device comprises a conveying base and a conveying power source, and the conveying device comprises a conveying groove used for controlling the output direction of the flat plate, the telescopic part hooking one side of the flat plate and pulling out the flat plate, and the conveying power source. According to the flat plate rotating conveying mechanism, the automation degree is greatly improved, manual operation of related personnel is liberated, and the efficiency is improved.
Owner:JIANGSU SKYRAY INSTR

Progressive feeding and automatic clamping combined wood sawing and splitting device

The invention discloses a progressive feeding and automatic clamping combined wood sawing and splitting device. The device comprises a workbench and a motor, a progressive feeding mechanism, a wood sawing mechanism, a conveying turning mechanism and a splitting mechanism are arranged on the workbench, the progressive feeding mechanism comprises a U-shaped support, a hinge is arranged at the upper portion of the rear end of the U-shaped support, a hook-shaped feeding mechanism is arranged on the hinge, a first hydraulic rod is arranged between the rear portion of the hook-shaped feeding mechanism and the U-shaped support, a plurality of storage protruding blocks are arranged at the upper portions of the front end and the rear end of the U-shaped support in a matrix manner, supporting transverse rods are arranged at the left end and the right end of the inner bottom of the U-shaped support, and supporting columns are arranged on the supporting transverse rods. An L-shaped rotating rod is arranged in the top ends of the supporting columns, automatic clamping and fixing are achieved, wood is sawn, a semi-automatic manual wood sawing manner is replaced, manual operation is omitted, man-machine separation is achieved, the personal safety of workers is guaranteed, time and labor are saved, and automatic wood sawing operation does not need to consume manpower.
Owner:陈凯帝

Sterilizing device capable of automatically adding disinfectant for circulation-loop medical device and method thereof

The invention discloses a sterilizing device capable of automatically adding disinfectant for a circulation-loop medical device. The sterilizing device comprises a disinfectant liquid storage device, a disinfectant liquid mistorizer, a sterilant gas delivery outlet and a control system, wherein the disinfectant liquid storage device and the disinfectant liquid mistorizer are electrically connected with the control system; the disinfectant liquid mistorizer is connected with the sterilant gas delivery outlet; especially, the sterilizing device also comprises a disinfectant liquid dosing device; and one end of the disinfectant liquid dosing device is connected with the disinfectant liquid storage device, and the other end of the disinfectant liquid dosing device is connected with the disinfectant liquid mistorizer and is electrically connected with the control system. The sterilizing device of the invention is suitable for sterilizing pipelines used by medical devices of the circulation-loop medical device, especially sterilizers, anaesthesia machines and the like; the main application of the sterilizing device is to realize the automatic adding of the disinfectant, realizes the quantity control of the disinfectant liquid while adding the disinfectant liquid, thus simplifying the procedures for medical personnel to utilize the sterilizing device to carry out disinfection on the circulation-loop medical device.
Owner:LAOKEN MEDICAL TECH

Concrete-filled steel tubular column compactness testing tool

The invention discloses a tool for detecting the compactness of a steel pipe concrete column, which comprises a fixing ring sleeved on the concrete column, a tensioning frame and a U-shaped fixing frame are fixed on the fixing ring, and the tensioning frame is mounted on A tensioning component is provided, and a height-fixing component is provided on the fixed frame; two permanent magnet plates with opposite poles and parallel are provided on the fixed frame, and a sound test is connected in the fixed frame by a pin shaft rotation The hammer; the tensioning assembly includes a slide bar that is slidably connected to the tensioning frame. The advantage is that the electromagnetic coil generates current during the downward swing of the sound hammer to make the soft capsule column hard and prevent the sound hammer from swinging down, and soften the sound hammer to continue to swing down after the sound hammer is completely stationary, realizing the test The automatic control of the swing position of the hammer avoids the time-consuming and labor-intensive manual control every time, and avoids the safety hazards caused by the staff when climbing high without manual operation.
Owner:黑龙江省龙丰公路工程检测有限责任公司
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