18results about How to "Reduce accidental damage" patented technology

The invention provides a near-wind-field power transmission line hardware fitting operation state intelligent diagnosis method and system, and relates to the technical field of power transmission line operation monitoring. Comprising the steps of calculating a first influence factor and a second influence factor of a transmission line fitting use state; determining an initial diagnosis threshold of the use state of the power transmission line fitting; calculating a power transmission line hardware fitting use state diagnosis threshold value influence factor, and determining a power transmission line hardware fitting use state diagnosis threshold value; and acquiring a transmission line fitting operation characteristic data set, calculating a fitting operation characteristic evaluation value, and judging whether the transmission line fitting use state is qualified in combination with the transmission line fitting use state diagnosis threshold. According to the method, a comprehensive, dynamic and accurate power transmission line fitting use state diagnosis threshold value with a customized property is determined from the three aspects of environment microclimate, fitting characteristic data and near wind field wind power characteristics of the power transmission line fitting, and more scientific and reasonable fitting maintenance is realized.

The invention discloses a fracture parameter analysis method based on a pump stop water hammer effect, and belongs to the technical field of fracture parameter analysis. The invention discloses a crack parameter analysis method based on a pump stopping water hammer effect. The crack parameter analysis method comprises the following steps: S1, collecting water hammer related parameters and water hammer pressure fluctuation signals during pump stopping; s2, noise elimination is carried out on the water hammer pressure fluctuation signal; s3, calculating the wave velocity and the pressure variation of the water hammer pressure wave; and S4, judging whether the pipeline has cracks or not, and analyzing the noise-reduced water hammer pressure wave signal. The problem that the number of cracks and the size and position of the cracks cannot be analyzed in the prior art is solved, the bearing capacity of the pipeline under different conditions can be predicted, so that the situation that the pipeline is broken due to the water hammer effect is avoided, the maintenance cost is reduced, accidental damage and the maintenance cost are reduced, the principle and influence of the water hammer effect can be known, and the application prospect is wide. Coping strategies can be prepared in advance, and losses in emergency situations are reduced.

According to the pipe end forming machine, an oil pump is arranged on the left portion of the top face of a bottom oil discharging channel of a first box body, an oil leakage opening is fixedly connected to the right portion of the top face of the bottom oil discharging channel of the first box body, a stamping machining mechanism is arranged on the right portion of the front side face of the first box body, and a discharging mechanism is arranged on the right side face of the first box body. The discharging mechanism is arranged to orderly feed the machining pipes stacked in batches one by one, meanwhile, the left ends of the machining pipes are stably pushed to enter the stamping machining mechanism, and it is ensured that the right ends of the machining pipes do not displace during machining; and then the left end of the machining pipe is machined through a stamping head from small to large through the stamping machining mechanism, the machining process is effectively controlled while the machining accuracy is improved, the risk of accidental damage and deformation is reduced, the pressure and load bearing capacity of the machining pipe is enhanced, and therefore the product quality is effectively improved.

The application provides an intelligent pollution cleaning method based on multi-modal deep learning, real-time monitoring of a pollution accumulation area is performed, and a real-time picture of a trash rack area is transmitted, a pollution detection data set is generated, and a pollution recognition algorithm based on deep learning is trained, the pollution recognition algorithm is used to recognize pollution in the real-time picture of the trash rack area and mark position information of the pollution, a multi-modal deep learning model is established to determine whether a pollution cleaning device is started, and factors such as an area of the pollution accumulation area, a water level difference of an inlet, weather conditions and rainfall are comprehensively considered, when an output result of the model reaches a preset value, it is determined that the pollution cleaning device starting requirement is met, through intelligent identification, automatic operation and informationized collaboration of the whole process of the hydropower station pollution cleaning system, the application improves the pollution cleaning efficiency of the trash rack of the hydropower station inlet and the reliability of the pollution cleaning device, and promotes the intelligent leap of the pollution cleaning system from passive response to active sensing.

The utility model provides a kind of energy accumulator damping structure, it is related to energy storage equipment technical field, including: tank, the one side of tank is provided with base, the one side of base is provided with fixed mechanism.The utility model, by setting fixed mechanism, fixed block inserts inside fixed seat, and it is fixed to fixed block by pushing fixed plate to insert inside fixed seat, and rotating bottom block drives threaded rod to rotate, and sleeve frame gradually moves and drives clamping block to move, and clamping block inserts inside fixed plate and limits its position, and fixed plate is stably fixed to fixed block, i.e., tank and base are fixed between, and tank and base have good stable fixing measure between, avoid unexpected separation phenomenon between tank and base, reduce the probability that tank appears unexpected damage, improve the stability of tank and base between fixed, improve the damping effect of tank on base.

The utility model discloses a pile head grinding device for low strain detection of a cast-in-place concrete pile, which comprises a front-end shell, the tail end of the front-end shell is of a rectangular cylindrical structure, and fixing components are arranged on the periphery of the tail end of the front-end shell; the side, away from the front end shell, of the fixing structure is connected with a holding tail shell. Wherein the fixing assembly is used for connecting the front end shell with the holding tail shell. By means of the fixing assembly, the outer shell of the pile head smoothing device can be disassembled more conveniently and quickly, meanwhile, the front end shell and the holding tail shell can be easily connected and fixed, frequent disassembly is not needed, and maintenance is easier and more convenient. And compared with a traditional device which possibly needs complicated disassembling steps, the maintenance efficiency of the pile head grinding device during low-strain detection on the cast-in-place concrete pile can be effectively improved.

The utility model belongs to the field of intelligent analysis equipment, and particularly relates to a PDA equipment rapid plugging red light optical power assembly, which comprises a plugging seat plate used for being plugged and matched with a shell jack of PDA equipment, and a red light module, an optical power module and a PCB (Printed Circuit Board) which are assembled on the plugging seat plate, the red light module and the optical power module are electrically connected with the PCB; and the conductive contact piece of the PCB is matched with the PDA equipment female seat in a plugging manner. According to the PDA equipment rapid plugging red light optical power assembly of the utility model, the plugging type design is adopted, the whole fixing installation of the PDA equipment rapid plugging red light optical power assembly can be realized by plugging the plugging seat plate into the housing jack of the PDA equipment, and when the red light optical power assembly is damaged, the whole PDA equipment does not need to be disassembled, so that the cost is reduced. The whole red light optical power assembly can be disassembled by controlling the plugging seat plate to be separated from the socket of the shell of the PDA equipment, and a new red light optical power assembly can be conveniently and rapidly replaced for use.

The invention relates to the field of charging pile protection design, and provides a new energy automobile charging pile protection shell which comprises a shell body and a storage cover arranged on the front face of the shell body, a storage chamber used for storing a charging cable is formed between the storage cover and the shell body, and a plurality of rotating rollers and a plurality of sliding rollers are arranged in the storage chamber; wherein the rotating roller is rotationally installed on the shell body, and the sliding roller is connected to the shell body in a sliding mode; each sliding roller is located between two adjacent rotating rollers, each sliding roller and each rotating roller are arranged side by side in a normal state, the charging cable is sequentially and alternately wound around each rotating roller and each sliding roller, and a hot drying device used for blowing hot air is arranged in the storage chamber. On the basis, rainwater attached to the surface of the charging cable can be quickly dried, so that the charging cable keeps a good service life.

The utility model provides a controller housing installation mechanism, which relates to the technical field of electrical equipment, and comprises a quick-release mechanism, the quick-release mechanism comprises a protective shell, a shell cover is arranged on the inner wall of a clamping groove formed in the top of the protective shell, an anti-skid mechanism is arranged on the top of the shell cover, clamping rings are arranged on the two sides of the bottom of the shell cover, and the anti-skid mechanism is arranged on the inner wall of the clamping groove. Fixing shells are arranged on the two sides of the inner wall of the protective shell. According to the utility model, a user can realize quick disassembly of the shell cover by pressing the pressing piece through the installed quick disassembly mechanism, and extra tools or complex operation steps are not needed. When the pressing piece is pressed, a series of mechanical devices can be triggered to act, including pushing of the pushing column, movement of the clamping block and the limiting rod and deformation contraction of the spring, and finally limiting releasing of the clamping block and the clamping ring is achieved. According to the design, the dismounting process is simpler and quicker, and internal elements can be effectively protected from being damaged.

The utility model relates to the technical field of energy recovery, in particular to an LNG (Liquefied Natural Gas) storage tank outer coil pipe cold insulation device utilizing BOG (Boil Off Gas) cold energy. According to the technical scheme, the LNG storage tank comprises an LNG storage tank and a storage tank outer coil pipe, and further comprises an inner tank, an outer tank and a cold insulation material. The LNG storage tank, the inner tank, the outer tank, the cold insulation material, the storage tank outer coil pipe, the second vertical pipe, the annular pipe, the fins and other structures are matched, cold energy of BOG in the LNG storage tank is recycled and used for preventing cold loss of LNG in the storage tank, and more BOG is prevented from being generated due to permeation of heat in the atmospheric environment outside the storage tank. Meanwhile, the coil pipes are evenly distributed on the outer tank of the LNG storage tank and connected through the fins, the BOG is stored in the coil pipes, cold energy of the BOG is diffused to the surface of the outer tank through the fins, and the situation that due to the fact that the outer tank is heated, heat of outside air permeates into the tank, and more BOG is generated is prevented.

The utility model discloses a multifunctional rescue carriage which comprises a carriage box body, an opening communicated with an inner cavity is formed in the upper end of the carriage box body, a bed board for sealing the opening is arranged at the upper end of the carriage box body in a sliding mode, protective fences are fixedly arranged on the two sides of the upper end of the bed board, moving wheels are arranged at the bottom of the carriage box body, and a handle is fixedly connected to the outer side of the carriage box body. A placing plate is movably arranged on the outer side face, close to the protective fence, of the trolley box body, a fixing block is further fixedly connected to the outer side face, close to the protective fence, of the trolley box body, and a limiting pin for fixing the angle of the placing plate is movably inserted into the outer side of the fixing block in a penetrating mode. According to the utility model, the placement plate is adjusted to be synchronously horizontal with the bed plate, so that instruments and medicines can be conveniently placed, the use space during rescue can be effectively increased, and equipment for rescue is placed in the cart box body for protection and use; and the probability of accidental damage to lines or pipelines of the equipment in a hurry rescue process is effectively reduced.

The utility model discloses a one-key start-stop system for a diaphragm compressor. The device comprises a water inlet regulating valve arranged on a water inlet pipeline, a water outlet regulating valve arranged on a water outlet pipeline, an oil inlet regulating valve arranged on an oil inlet pipeline, an oil outlet regulating valve arranged on an oil outlet pipeline, an air inlet regulating valve arranged on an air inlet pipeline and an air outlet regulating valve arranged on an air outlet pipeline, the water inlet adjusting valve, the water outlet adjusting valve, the oil inlet adjusting valve, the oil outlet adjusting valve, the air inlet adjusting valve and the air outlet adjusting valve are all connected with a control system, and a vibration sensor connected with the control system is arranged on the diaphragm compressor body. One-key starting and stopping of the diaphragm compressor are achieved, damage to main parts, a hydraulic system and a diaphragm of the diaphragm compressor due to starting and stopping operation errors of personnel is avoided, and therefore the operation amount of the personnel is reduced, and safety risks caused by the starting and stopping operation errors are reduced.

The utility model discloses a bag-type dust collector convenient to maintain, which relates to the technical field of dust collectors and comprises a bottom plate, a dust collector body is mounted at the upper end of the bottom plate, an air inlet pipe and an air outlet pipe are fixedly connected to two ends of the dust collector body respectively, a closing door is hinged to one end of the dust collector body, and an observation window is arranged at one end of the closing door. Cleaning assemblies are symmetrically installed in the observation window, fixing frames are in threaded connection with the two ends in the bag-type dust collector, connecting plates are symmetrically installed at the bottom ends of the fixing frames, fixing blocks are symmetrically and fixedly connected with the two ends of the connecting plates, and connecting assemblies are installed in the fixing blocks. With the adoption of the structure, when a maintainer replaces or cleans the filter bag, the operation can be completed more quickly and efficiently, so that the difficulty of maintenance work is greatly reduced, the downtime is shortened, the operation efficiency of the whole equipment is improved, meanwhile, accidental damage possibly occurring in the process of replacing the filter bag is also reduced, and the service life of the equipment is prolonged. And the maintenance cost is further reduced.

The invention discloses a novel puller device which comprises a long shaft, a traction sleeve arranged on the long shaft in a sleeving mode and a traction piece in sliding fit with the traction sleeve, traction lugs are arranged at the two ends of the traction piece, and the traction lugs are connected with movable counter-force jaws. The right sides of the front face and the back face of the traction piece are provided with an adjusting hydraulic oil cylinder and the like. The traction sleeve can move left and right on the long shaft and is locked and positioned through a nut. During operation, the position of the traction sleeve is adjusted firstly, then the lifting hydraulic oil cylinder is controlled to enable the traction piece to reach the adaptive height, the adjusting hydraulic oil cylinder is started to adjust the clamping position of the counter-force gripper arm, and finally the lifting hydraulic oil cylinder is cooperatively operated for disassembly. Compared with the prior art, the device has the advantages of being higher in adaptability, higher in flexibility, more convenient to operate, higher in stability, firmer in grabbing and the like, can meet different dismounting requirements, accurately dismount workpieces in complex shapes and in special positions, and improves the working efficiency and the operation safety.

The utility model relates to the technical field of pump covers, and discloses a pump cover convenient to disassemble, which comprises a main machine cover, the top end of the main machine cover is fixedly connected with uniformly distributed limiting nuts, the inner sides of the limiting nuts are in threaded connection with quick-release bolts, the bottom ends of the quick-release bolts are rotatably connected with a pressing plate, the bottom end of the pressing plate is fixedly connected with a sealing ring, and the sealing ring is fixedly connected with the main machine cover. A host connecting disc is arranged at the bottom end of the host cover, a second clamping groove is formed in the middle side of the top end of the host connecting disc, and the second clamping groove is connected with the sealing ring in a clamped mode. According to the utility model, by rotating the quick-release bolt, limiting the quick-release bolt through the limiting nut, and forcing the quick-release bolt to move downwards, the sealing ring is extruded through the pressing plate, so that the sealing ring is more tightly attached to the second clamping groove, and liquid or gas can be effectively prevented from leaking from the contact surface between the pump cover and the pump body; and the sealing performance of the pump during operation is ensured, and the risks of environmental pollution and resource waste are reduced.

Fixing pieces are arranged on the left side and the right side of the top of a trailer body respectively, moving wheels are arranged at the bottom of the trailer body, rotating shafts are arranged in the middles of the moving wheels, supporting frames are arranged on the inner sides of the moving wheels, and the supporting frames are fixedly connected with the moving wheels. A pull rod is arranged on the outer side of the fixing piece, a sliding block is arranged at the tail end of the pull rod, limiting pieces are arranged on the upper side, the lower side and the inner side of the sliding block respectively, and sliding grooves are formed in the top of the trailer body, the outer side of the fixing piece and the bottom of the trailer frame respectively. The sliding block moves forwards, the limiting piece reaches the tail end of the sliding groove, the pull rod can rotate upwards, the stability of the device can be better controlled by adjusting the angle, the safety and reliability of work are improved, the requirement for storage and transportation space can be lowered by folding the pull rod, and the grain elevator trailer is more flexible, convenient and rapid.

The application provides a Marshall specimen forming auxiliary device connected to a Marshall compaction instrument, comprising a workbench, a control panel arranged on the upper end of the workbench, a weighing mechanism and a support; the support comprises a telescopic measuring rod arranged on the side of the weighing mechanism and a horizontal support plate connected to the upper part of the telescopic measuring rod and rotatable along a horizontal plane, and the lower end surface of the horizontal support plate is provided with a temperature measuring mechanism and a height measuring mechanism. The Marshall specimen forming auxiliary device provided by the application sets the support with changeable height and angle on the side of the weighing mechanism of the Marshall specimen, and integrates the temperature measuring mechanism and the height measuring mechanism on the support, so that the multiple data of the Marshall specimen can be measured in one device, the operation complexity of the Marshall specimen test is reduced, and the problem that the accuracy of the test result is affected by the too long measurement time is solved.