32results about How to "Protection from damage" patented technology

The utility model relates to the production technical field of spool, concretely relates to the end effector for the mechanical arm suction spool, include: first support plate, first end surface connects the mechanical arm flange, the mechanical arm flange is used for connecting the mechanical arm, second support plate, the first end surface of second support plate connects elastic component, the second end of elastic component is connected to first support plate, electromagnet, the second end surface of second support plate is connected to. The utility model through double -deck elastic support carries electromagnet as the pickup structure of spool, the low requirement of surface flatness of spool, and can satisfy the purpose that the pickup speed is fast, simultaneously, can avoid the rigid collision of the buffer of elastic piece in the pickup process, protects electromagnet and spool to cause damage in the pickup process, in addition, the pick -up demand of the support plate of bearing spool can be satisfied to the suction disc of cooperation setting in electromagnet side, expands the function of end effector.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

This utility model discloses a wafer support ring holder for proton irradiation of wafers, relating to wafer irradiation processing. It includes a wafer tray, which is the main tray. The top surface of the wafer tray has an irradiation width region, within which several wafer support rings are arranged. Each wafer support ring is circular, and adjacent wafer support rings are evenly spaced within the irradiation width region. The wafer tray is made of 5051 aluminum alloy. This utility model improves the wafer placement method by structurally adding support rings. Through welding fixtures, the center of the wafer is precisely aligned with the irradiation center, ensuring irradiation accuracy. This utility model optimizes the wafer handling operation by structurally designing the support rings as two-lobed pieces with a gap in the middle, facilitating alignment and flipping operations with a vacuum pen, reducing damage to the wafer during manual handling.

The utility model discloses a ceramic sample fork, which relates to the technical field of wafer processing equipment, aims to solve the problem of wafer positioning, and comprises a main body, the main body is made of a ceramic material and is formed by integrally forming a pair of arm forks and a fixed end, the pair of arm forks is symmetrically arranged on the two sides of the fixed end. The arm fork is arranged to be in an arc shape, a step is arranged on the inner wall of the arm fork, and the vertical face of the step is arranged to be a slope. By arranging the steps with the slope of 75 degrees and matching the positioning holes and the positioning columns, accurate positioning of the wafer is achieved, and the problem that the wafer is damaged due to inaccurate positioning in the processing process is avoided.

The cutterhead loading basket comprises a loading basket body, the loading basket body is provided with a bottom basket part and a side basket part, the side basket part is arranged on the bottom basket part, and the top of the loading basket body is open; the bottom basket part is provided with at least one partition plate in the first direction, the bottom basket part, the side basket parts and the partition plates form a plurality of cutterhead loading cavities, and each cutterhead loading cavity is provided with a plurality of cutterhead loading positions. A plurality of cutter head loading cavities are arranged, each cutter head loading cavity is provided with a plurality of cutter head loading positions, more cutter heads can be loaded, during use, one cutter head corresponds to one cutter head loading position, more cutter heads can be loaded in a flat placement mode without stacking, a drill point of a drill bit is fully protected from being damaged, and the service life of the drill bit is prolonged. The cutter head and the drill bit can be recycled, and the production efficiency is improved.

The application belongs to the technical field of pipeline construction, and particularly discloses a construction method for adding a tee joint to a large-diameter existing pipeline, which comprises the following steps: preparing a sleeve according to the size and shape of the existing pipeline; sleeving the sleeve on the existing pipeline and filling the gap between the existing pipeline and the sleeve; cutting a hole in the sleeve and connecting the added pipeline to form a tee joint; opening a manhole on the added pipeline; temporarily closing the valve of the existing pipeline, emptying the conveying object in the existing pipeline; entering the added pipeline from the manhole, chiseling and dismounting the designed dismounting section of the existing pipeline; and closing the manhole, and the construction of the new tee joint is completed. After the existing pipeline is wrapped with a sleeve to form a tee joint, the wrapped section of the existing pipeline is dismounted, the production and installation of the tee joint can be completed without cutting off the existing pipeline, the pipeline is cut off only temporarily in the last connecting stage, the time for cutting off the existing pipeline is delayed, the construction time is effectively reduced, the existing pipeline can be effectively protected from damage, the construction quality is improved, and the leakage problem at the connection position is reduced.

The invention discloses a heavy mud rod carrying truss manipulator, belongs to the technical field of heavy material automatic carrying equipment, and is suitable for automatic grabbing, carrying and accurate stacking of soft mud rod type cylindrical rod materials. The mechanical arm comprises an X-axis fixed frame body, a Y-axis movable frame body, a Z-axis lifting assembly, an R-axis rotation assembly, a wrapping and clamping gripper assembly and an electromagnetic band-type brake assembly, all shaft systems are of gear and rack transmission structures, and multi-axis linkage space precise movement is achieved; the electromagnetic band-type brake assembly detects the rotating speed through an encoder and is matched with gear and rack meshing to achieve Z-axis anti-falling braking, and potential safety hazards are eliminated. All driving, detecting and braking components are electrically connected with an external control system, full-automatic operation is achieved, the problems that traditional mud rod carrying is poor in adaptability, products are prone to being damaged, positioning is not accurate, and anti-falling protection does not exist are solved, and carrying efficiency and operation safety are greatly improved.

The invention discloses a heat preservation plate lossless conveying device, and relates to the technical field of heat preservation plate conveying, the heat preservation plate lossless conveying device comprises a machine body, a chain plate is arranged on the machine body, and the heat preservation plate lossless conveying device further comprises a positioning locking mechanism and an unlocking separation mechanism; by means of the design of a half gear, a toothed plate, a first reset spring, a pressing plate, a first linkage plate, an L-shaped rod and a push plate, two oppositely-arranged centering clamping plates can be driven to move oppositely on a chain plate, a heat preservation plate placed between the two centering clamping plates is pushed to be centered, the heat preservation plate can be conveyed on the chain plate in a centered mode, and the heat preservation plate conveying efficiency is improved. The problem of unstable conveying caused by position deviation in the conveying process of the heat preservation plates is avoided, so that vibration and shaking of the heat preservation plates in the conveying process are reduced, the heat preservation plates are protected against damage, and lossless conveying is achieved.

The utility model provides pavement performance detection equipment after grouting maintenance, which comprises a screw rod support plate, bottom plates are fixed on two sides of the screw rod support plate, a second support plate is fixed on the other side of each bottom plate, a third support plate is connected to one side of each second support plate, a display operation platform is mounted on each third support plate, and the display operation platform is connected with the screw rod support plate. A first motor is installed on the other side of the second supporting plate, the first motor penetrates through the second supporting plate and is connected with a first screw rod through a coupler, the other end of the first screw rod is rotationally connected to the screw rod supporting plate in a sleeving mode, and a first sliding rod corresponding to the first screw rod is further connected between the second supporting plate and the screw rod supporting plate. By using the crack grouting quality detection device, the detection probe can be controlled through the display operation platform to detect the crack grouting quality, a worker does not need to frequently bend down, and no-dead-corner detection can be carried out on any place in a detection range.

The utility model provides a kind of base anchoring structure for floating navigation wall mooring column, including float, and the top edge portion of float deck of float is anchored and installed with mooring column base by multiple anchor bolts, and the top of mooring column base is fixedly installed mooring column, and the mooring column base plate of mooring column base is provided with pedestal, and anchor rod is limit installed on pedestal, and the other end of anchor rod is connected with pin shaft clamping plate hinged after sequentially passing through mooring column base plate, float deck and bottom bracing plate, and pin shaft clamping plate is anchored and set in the top of anchoring block, and anchoring block is anchored and connected with the inner bottom of float. On the basis of not affecting the function and safety of float, by simply transforming float structure, increase mooring column base anchoring structure, realize the purpose of increasing height of floating navigation wall mooring column.

This invention discloses the function and use of a class of pentacyclic triterpenoid compounds in the prevention and / or treatment of neurodegenerative diseases. These compounds are isolated and extracted from Cynomorium songaricum. During the evaluation of the pharmacological activity of these compounds, the inventors discovered that they have significant protective effects against glutamate-induced nerve cell damage and oxygen-glucose deprivation-induced nerve cell damage. Therefore, they can be used for the treatment and prevention of neurodegenerative diseases such as stroke, brain injury, amyotrophic lateral sclerosis, Huntington's disease, Parkinson's disease, and Alzheimer's disease, and can be developed into pharmaceuticals.

The utility model relates to a tandem type double-rotor unmanned aerial vehicle transmission system, which is characterized in that reversing speed reduction units of a front rotor and a rear rotor are connected through a plurality of sections of synchronous long shafts, and the tandem type double-rotor unmanned aerial vehicle transmission system comprises a three-stage speed reduction structure, namely a first-stage synchronous belt speed reduction structure, a second-stage bevel gear speed reduction structure and a third-stage planetary gear train speed reduction structure, the second-stage bevel gear speed reduction realizes power transmission through a bevel gear, and the third-stage planetary gear train speed reduction transmits power to a rotor shaft through meshing of a planetary gear, a sun gear and a gear ring; the system solves the problems that a traditional tandem rotorcraft transmission system is single in structure, slow in clutch response, difficult in engine starting, insufficient in power, poor in emergency risk avoiding capacity and difficult to maintain, and the performance and reliability of the unmanned aerial vehicle are improved.

The utility model provides keyboard finished product taking equipment, which comprises a fixed frame, a limiting frame, a lead screw, a motor, a sliding frame, a first guide post, an air cylinder, a clamp and a second guide post, the limiting frame is fixed at the upper end of the fixed frame, the lead screw is rotatably arranged in the limiting frame, and one end of the lead screw is fixed with the output end of the motor; a first guide column is fixed in the limiting frame, a sliding frame is installed on the outer side face of the first guide column in a sliding mode, and the sliding frame is connected with the lead screw through thread engagement; a clamp is fixed to the lower side face of the sliding frame through an air cylinder. A second guide column is fixed to the upper side face of the clamp and connected with the sliding frame in a sliding mode. By means of the arrangement, when the keyboard clamping device is used, a keyboard finished product can be flexibly clamped and placed in a storage area, after the keyboard finished product is clamped by the clamp, the keyboard finished product can be lifted, and then the keyboard finished product is prevented from sliding off from the clamp.

The utility model relates to the technical field of speed reducer discloses a speed reducer with overload protection structure, including speed reducer. The utility model discloses when the overload occurs, the torque that shearing pin bears exceeds threshold and breaks, and the debris produced by shearing pin breaks off and splashes to the surface of buffer board, at this moment, the buffer board drives the sliding rod to slide in the buffer spring of the protection box inner wall buffer board, and the kinetic energy of debris splashing is effectively absorbed through the buffer board and spring, avoids the secondary damage of equipment splashing of debris everywhere, reduces the maintenance scope, reduces maintenance cost and downtime, owing to the kinetic energy output interruption caused by shearing pin breakage, the internal core component of protection speed reducer is damaged due to overload, the service life of speed reducer is remarkably prolonged, the equipment failure rate is reduced, personnel rotate through knob drive two -way threaded rod, two -way threaded rod and fixed block carry out threaded connection, make fixed block drive sliding block to slide in the sliding slot outer wall through protection box, and personnel can clean the internal debris.

The utility model discloses a device for deicing the contact conductor of electrified railway, include: the accommodating casing, its bottom is provided with first drive motor, and first drive motor is used for driving the horizontal rotation of accommodating casing, the horizontal setting is inserted in the accommodating casing to its inner end, and its outer end extends to the accommodating casing outside, second drive motor is located in the accommodating casing, and its rotor is fixedly connected with the inner end of rotating rod, deicing hammer is installed in the outer end of rotating rod, is used for the vertical rotation under the driving of second drive motor, and then makes deicing hammer impact the contact conductor of electrified railway, breaks the ice on the contact conductor, the utility model discloses belong to physical deicing, can effectively remove high hard ice layer, and energy consumption is lower, and operation is safer.

The utility model relates to the technical field of depilation instruments, and discloses a multifunctional depilation instrument which comprises a cover cylinder, a laser head and a depilation instrument body, fixing rods are installed in the two ends of the depilation instrument body, and the lower end of the laser head corresponds to the interior of the upper end of the depilation instrument body and is fixed by being matched with the fixing rods in an inserted mode. A rectangular laser emitting opening is formed in the upper end of the laser head, if the laser head needs to be replaced and cleaned, the fixing rod slides rightwards to correspond to the vertical sliding groove of the fixing groove and is slowly taken out from the interior of the laser head connecting groove, the upper end of the depilating instrument body is sleeved with a cover cylinder, and two cylindrical power source connecting rods are arranged in the lower end of the depilating instrument body. A sliding plate is slidably mounted in the lower portion of the power connecting rod, the sliding plate seals the charging port through elasticity of a second spring, dust and moisture are prevented from entering the interior to affect the charging efficiency, a display screen and an on-off key are arranged on the front section of the depilating instrument body, and the depilating function and speed are adjusted through the display screen; therefore, the hair removal efficiency is improved.

This utility model discloses an integrated motor testing device, relating to the field of motor testing technology. It includes a fixed base with a horizontal top surface. A test motor is mounted on the top surface of the fixed base, and the test motor is secured to the top surface of the fixed base with locking screws. A swingable temperature sensor is positioned above the fixed base, and a vision camera base is fixedly mounted on the top surface of the fixed base. The rear end face of the lifting slide and the surface of the locking block both have threaded holes. Screws connect the threaded holes on the rear end face of the lifting slide and the surface of the locking block, with locking nuts at the top of the screws. This allows for adjustment of the ear plate height, thereby adjusting the height of the swing arm and the temperature sensor. This facilitates better contact testing of the motor surface with the temperature sensor, effectively improving the accuracy of temperature testing during the contact process.

The utility model relates to the technical field of prefabricated staircase protection, and discloses a prefabricated staircase temporary protection device which comprises a prefabricated staircase, a horizontal plane, a vertical plane, a side face and a bottom face. The protection assembly is arranged on the prefabricated stair and comprises a protection piece, the protection piece comprises a horizontal panel, a vertical panel and a side panel, the horizontal panel is located on the horizontal plane, and the vertical plane is arranged on the vertical plane. The protective device has the advantages that the three panels are arranged to cover the installed prefabricated staircase, the prefabricated staircase is protected against abrasion and damage, the panels are limited, the position deviation of the protective panels caused by walking of personnel is avoided, meanwhile, the bolts are arranged on the panels in advance, the stand columns can be directly installed when staircase edge protection is installed, and the protective device is convenient to use. And the protective stand columns can be installed without damaging the prefabricated staircase, and the panels are made of printed iron sheets, so that the wear resistance, the skid resistance and the repeatability of the protective device are improved.

This invention discloses a traditional Chinese medicine composition for treating coronary heart disease and depression, its application, and preparation method. The traditional Chinese medicine composition comprises the following components by weight: 10-15 parts of Salvia miltiorrhiza; 8-12 parts of Panax ginseng; 8-12 parts of Ligusticum chuanxiong; 8-12 parts of Trichosanthes kirilowii; 8-12 parts of Paeonia lactiflora; 6-10 parts of Cyperus rotundus; 6-10 parts of Curcuma longa; 8-12 parts of Acanthopanax senticosus; 6-10 parts of Morinda officinalis; and 4-8 parts of Cinnamomum cassia. The preparation method includes: (1) Weighing each Chinese medicinal material according to the proportion of Chinese medicine, cleaning and crushing it appropriately; (2) First decoction: Add 3 times the weight of drinking water to the medicinal material, soak for 30 minutes, then heat to boiling, turn to low heat and keep boiling, continue to decoct for 30 minutes, filter and collect the filtrate; (3) Second decoction: Add 3 times the weight of drinking water to the dregs again, heat to boiling in the same way, turn to low heat and decoct for 30 minutes, filter and collect the filtrate; (4) Combine the filtrates obtained in steps (2) and (3), heat and concentrate them over low heat, and finally make a medicinal liquid with a total volume of 100 mL.

The utility model provides a dredging device and a dredging machine, and relates to the technical field of pipeline dredging equipment. The dredging device comprises an image acquisition mechanism, a signal transmission line, a dredging shaft and an elastic piece. The signal transmission line is connected with the image acquisition mechanism, and the dredging shaft is sleeved outside the signal transmission line; the elastic piece is connected with the dredging shaft, and the elastic piece is spirally arranged outside the image acquisition mechanism in a sleeving mode. The blockage condition in the pipeline is fed back in real time through the image acquisition mechanism, a user can be helped to quickly position a blockage point, dredging is performed by driving the dredging shaft and the elastic piece to rotate, so that the blockage point is accurately dredged, the operation process is reduced, the labor intensity is reduced, the operation efficiency and the operation convenience are remarkably improved, and the practicability is high. And various blockage conditions can be effectively adapted and treated.

The utility model discloses an efficient and accurate control system for a new energy commercial truck based on DSP redundancy. According to the utility model, the dual-core DSP is adopted to improve the system performance. One core focuses on wave sending processing, voltage, current and temperature sampling work, operation control algorithm and communication functions; and the other core is used for detection and protection, fault processing, a self-learning algorithm and a fault pre-judgment algorithm. Meanwhile, the CAL coprocessor is used for sharing a signal calculation processing task, remarkably reducing CPU load and improving the overall operation efficiency of the system, and two groups of power modules are mutually backed up, so that when one group of power supply fails, the other group of power supply can be quickly switched, stable power supply of the system is ensured, system shutdown caused by power supply failure is effectively avoided, and the service life of the system is prolonged. Precise detection of three-phase current is achieved through a hardware addition circuit, three sets of data are displayed at the same time and verified mutually, data misjudgment caused by faults of a single collection point is prevented, and therefore reliable data support is provided for precise control of a system.

The application discloses a use of a larazotide polypeptide in preparation of a drug for relieving adriamycin cardiotoxicity. In-vivo experimental results show that the larazotide can effectively relieve the toxic effect of a chemotherapeutic drug adriamycin on the heart, relieve myocardial enzyme spectrum increase, enhance left ventricular diastolic capacity and cardiac ejection fraction by improving body and heart immune cell homeostasis and reducing myocardial tissue cell apoptosis, thereby reducing the toxic side effect of the chemotherapeutic drug adriamycin, and improving intestinal barrier function damage caused by adriamycin chemotherapy. The application overcomes the defects of current clinical drug limitations of Dox and existing chemotherapeutic heart protection drugs, and solves the prevention and treatment problems of heart toxicity and intestinal side effects induced in Dox chemotherapy.

The utility model discloses a heavy section bar conveying mechanism, include: bottom support, at least 2 each other install on bottom support and extend along the front -back direction's support beam, at least 2 with the support beam corresponding setting's conveyer belt and drive unit, each support beam's both ends rotatablely install a driven belt sprocket, each middle part rotatablely install a driving belt sprocket, the driven belt sprocket and driving belt sprocket's sprocket part on the same support beam is connected through a chain drive respectively, and one tensioning sprocket is arranged between the two first support side plates and is located at the front and rear sides of driving belt sprocket respectively, and one tensioning sprocket is arranged between the two tensioning sprockets. The utility model discloses can protect the workpiece surface from being damaged while realizing conveying heavy workpiece, can guarantee the stability of conveying, can keep the tensioning state all the time, can keep good transmission cooperation all the time, avoids the transmission failure caused by skidding or tooth loss.

This application discloses a method for forming an embedded epitaxial layer, comprising: forming a groove in a silicon substrate between gate structures, wherein the gate structures are formed on the silicon substrate and sidewall structures are formed on both sides of the gate structures; growing a silicon thin film layer on the silicon substrate between the gate structures, wherein the silicon thin film layer fills the groove; growing a silicon phosphate layer on the silicon thin film layer between the gate structures, wherein hydrogen chloride gas is introduced during the growth of the silicon phosphate layer to suppress the formation of the silicon phosphate layer on the sidewall structures. This application, by forming the gate structure and the sidewall structures on both sides of the gate structure, forming a groove in the silicon substrate between the gate structures, growing a silicon thin film layer between the gate structures, and growing a silicon phosphate layer between the gate structures, allows the silicon thin film layer to fill the groove and cover the bottom of the sidewalls, thereby protecting the bottom of the sidewalls from damage by the introduced hydrogen chloride gas during the growth of the silicon phosphate layer, thus improving the reliability of the device.

This invention discloses an electric drive balance box based on self-circulating lubrication and a split-type composite transmission, comprising: a balance box body, a wheel-side reduction gear component, and a motor input assembly mounted on the balance box body. Multiple intermediate gear assemblies mesh on both sides of the gear in the motor input assembly, with the last intermediate gear assembly meshing with the gear in the output shaft assembly. The output shaft assembly is connected to the wheel-side reduction gear component, which reduces the speed and increases the torque of the power from the output shaft assembly, enabling driving and parking functions. This invention innovatively adopts a "motor + parallel shaft gear + planetary gear set coupling" transmission scheme, using multiple fixed-axis gear sets to form a parallel shaft system. This system can withstand greater loads and also handle high speeds, high frequencies, and high torques from electric drive forces, making it applicable to a wider range of energy sources.

The invention relates to use of selected materials in systems for heat treatment, various forms of such material, related systems and methods for determining such materials. In particular the invention relates to the use of a cover of analumina- chromium alloy material with a Cr content of more than 5w% (percent by weight) for one or more parts within a system suited for heat treatment.

This invention provides a gas water heater and its control method, belonging to the field of kitchen appliances. The gas water heater body includes an inlet pipe and a water inlet pipe; a condenser heat exchanger for generating condensate after the gas water heater is started; a water electrolysis module for electrolyzing the condensate supplied from the condenser heat exchanger; a first venturi tube disposed on the inlet pipe; and a controller electrically connected to the condenser heat exchanger, the water electrolysis module, and the first venturi tube. The water electrolysis module is connected to both the condenser heat exchanger and the first venturi tube, so that, under the control of the controller, the condensate supplied from the condenser heat exchanger is electrolyzed into hydrogen and oxygen, and the oxygen is mixed into the gas in the inlet pipe through the first venturi tube to form premixed gas. This gas water heater can electrolyze condensate into hydrogen and oxygen and mix the oxygen into the gas to form premixed gas, resulting in reduced noise, more complete combustion, and reduced hydroxide pollution.

The utility model relates to the technical field of electromechanical equipment maintenance, in particular to a horizontal type disassembling machine with an adjustable chuck, which comprises a horizontal type disassembling machine body and further comprises a chuck body, the chuck body is arranged at the front end of the horizontal type disassembling machine body, four end feet of the front end face of the horizontal type disassembling machine body are fixedly connected with positioning protrusions, and the chuck body is arranged on the chuck body. Four positioning protrusions are arranged on the chuck body, positioning grooves are formed among the four positioning protrusions, four end feet outside the chuck body are fixedly connected with positioning plates clamped into the four positioning grooves, the horizontal disassembling machine body and the chuck body are fixed through eight bolts, and the eight bolts are sleeved with high-strength springs. According to the flexible disassembly and assembly structure convenient to disassemble and replace through the chuck, the eight high-strength bolts are used for installation and fixation, meanwhile, the high-strength springs are matched to achieve the buffering effect, and the overall practicability is improved.

The utility model relates to underground coal mine tunneling equipment maintenance technical field especially relates to a kind of belt string quick dismounting device, including main body bar, it is T-shaped structure, including vertically arranged winding bar and transversely arranged holding rod, winding bar is used to wind and fix belt string, holding rod is used to supply operator holding and exerting rotation moment;Locking structure, setting on winding bar;String guiding portion, for guiding and aligning string when initially inserting;The utility model replaces traditional impact dismounting process with T-shaped rotary shearing type dismounting structure, string is helically extracted from belt buckle by rotating operation, process only needs one person to operate, avoid the security risk caused by hammering;The pulling force generated by rotation is even and soft, avoids stress concentration, thereby protects string from damage, realizes recycling and reuse;Meanwhile, the device overall operation is labor-saving, fast, safe, greatly improves the work efficiency and safety of underground belt adding and belt extracting operation.