27results about How to "Lower replacement costs" patented technology

The invention discloses a fault prediction method for a flexible hand for underwater robot operation, and belongs to the technical field of fault prediction, and the method comprises the steps: obtaining historical fault data collected by a sensor unit, carrying out the preprocessing, carrying out the feature screening, building a fault prediction model based on a time convolution network-bidirectional gating recursive unit neural network, and carrying out the fault prediction. And introducing a chaos mechanism and a crossover mutation improved samson algorithm to carry out hyper-parameter optimization on the fault prediction model to obtain an optimized fault prediction model, and inputting the online operation data of the flexible hand into the model to carry out fault prediction. The fault diagnosis precision can be improved, the long-term maintenance cost of equipment can be reduced through effective fault prediction and maintenance measures, and the overall economic benefit is improved.

The utility model relates to the technical field of weeding, in particular to municipal road weeding equipment which comprises a vehicle body, a transmission groove is formed in the vehicle body, a rotating rod is rotatably connected to the interior of the transmission groove, two first bevel gears are fixedly connected to the exterior of the rotating rod, and a first motor is fixedly connected to the outer side of the vehicle body. An output shaft of the first motor extends into the transmission groove and is fixedly connected with a second bevel gear, and teeth are arranged at the position of one fourth of the second bevel gear. The large-area weeding equipment has the beneficial effects that the working efficiency can be obviously improved, the weeding operation can be completed more quickly, the interference time of road maintenance work on traffic is shorter, a road can be recovered to a normal use state more quickly, the improvement of the efficiency directly leads to the reduction of the operation cost, and the same workload can be completed with less time; labor cost and mechanical use cost can be saved, maintenance and replacement cost of equipment can be reduced for a long time, and compared with a traditional device, operation quality and use efficiency are greatly improved.

This utility model discloses an adjustable and replaceable device for reducing vibration of rotating equipment in marine environments, comprising: an outer pipe, a main shaft, and a bearing bracket. The outer pipe is coaxially arranged with the main shaft, and the bearing bracket is sleeved on the outside of the main shaft. An annular groove is provided on the inner wall of the outer pipe at a position corresponding to that of the bearing bracket. A positioning ring is detachably installed in the annular groove. An outer ring is provided on the outer edge of the bearing bracket, and the outer ring cooperates with the positioning ring. The positioning ring reduces the fitting gap, improves the overall stability of the bearing bracket and the outer pipe, and thus enhances the stability of the bearing and pump unit. It can reduce the vibration amplitude of the rotating equipment and improve the long-term safe and stable operation capability of the rotating equipment in marine environments. The addition of the 316L positioning ring simplifies on-site construction, and the positioning ring can be adjusted and replaced in a timely manner according to the subsequent vibration of the rotating equipment.

This utility model discloses a servo independent transmission mechanism for a corrugated paper slotting machine, comprising a slotting cutter shaft. The key feature is that the slotting cutter shaft is directly driven by a servo motor and a gearbox; a slotting cutter disc is mounted on the slotting cutter shaft at intervals via a slotting cutter disc fixing component; and slotting cutters are mounted on the slotting cutter disc. The slotting cutter shaft of this utility model is directly driven by a servo motor and a gearbox, allowing adjustment of the linear speed of the slotting cutter shaft based on signals from a linear speed sensor, thereby adjusting the linear speed of the slotting cutter disc. This allows for convenient adjustment of the linear speed of the slotting cutter shaft when replacing 5-layer or 7-layer slotting cutter discs. Furthermore, by mounting the slotting cutters on the slotting cutter disc, damage or wear of the slotting cutters only requires replacement of the slotting cutters, eliminating the need to disassemble the slotting cutter disc and reducing replacement costs.

The utility model discloses a drying application device with a pipeline incrustation cleaning structure, relates to the technical field of drying application, and aims to solve the problems of pipeline blockage and low heat efficiency caused by incrustation accumulation of a closed water circulation system. On the basis of a drying room, a water supplementing tank, a circulating hot water pump, an air energy normal-temperature and high-temperature heat pump unit and other components are arranged, detachable connecting sleeves and connecting pipes are arranged on the outer sides of pipelines such as a main water pipe entering the drying room, cross rods are arranged on the inner sides of the pipelines, and the cross rods are matched with a cleaning device composed of a cleaning wiper and a pull rope. During use, the connecting sleeve and the connecting pipe are disconnected, the pull rope is pulled to enable the cleaning eraser to move in a manner of being attached to the inner wall of the pipeline, and scale can be quickly scraped. According to the device, through a convenient incrustation cleaning structure, corrosion of chemical cleaning to the pipeline is avoided, and the maintenance cost is reduced; pipeline heat transfer performance is recovered, and energy utilization efficiency is improved; the drying room has the advantages of being reasonable in structure and high in practicability.

The invention discloses a scheme for solving power of a new energy automobile by driving a generator through an electrolyzed water hydrogen-oxygen mixed gas internal combustion engine, and belongs to a solution of a power source of the new energy automobile. Mixed gas of hydrogen and oxygen generated by water electrolysis enters a combustion chamber of the internal combustion engine and is ignited and combusted by a spark plug to expand to push a piston, and reciprocating piston motion is converted into circumferential rotation motion to drive a generator set to charge a battery pack to drive the generator set, so that a power source of a new energy automobile is provided. The core of the new energy automobile power solution scheme is that water is used for replacing fossil fuel to do work. Water resources on the earth are inexhaustible, the hydrogen-oxygen mixed gas generated by water electrolysis belongs to efficient fuel (superior to gasoline and diesel oil), meanwhile, water is still generated after the hydrogen-oxygen mixed gas is combusted and can be recycled, and zero pollution is achieved. According to the new energy automobile power solution, a lead-acid battery and a super capacitor are selected as power batteries for different product lines.

The utility model relates to the technical field of photovoltaic equipment accessories, and discloses a cleaning device for an outdoor photovoltaic assembly, which comprises two clamping frames, sliding rods are fixedly connected to the bottom ends of the close sides of the two clamping frames, an unfolding assembly is connected between the two sliding rods, a sliding frame is fixedly connected to the top side of the clamping frame at the left end, and the sliding frame is fixedly connected to the top side of the clamping frame at the right end. The inner wall of the sliding frame is rotationally connected with a screw rod, the outer wall of the screw rod is in threaded connection with a screw sleeve, the rear end of the screw rod is connected with a driving assembly, the right side of the screw sleeve is provided with a plurality of splicing sleeves, and the right side of the splicing sleeve at the rightmost end is provided with a protective sleeve. According to the utility model, the device adopts an external design, and aims to install the cleaning assembly for the outdoor photovoltaic assembly without a cleaning structure, so that the photovoltaic assembly does not need to be replaced with a brand new photovoltaic assembly with the cleaning assembly, and the replacement cost and expenditure are further reduced.

The application discloses a multi-protocol conversion method, system, device and medium between fire alarm devices, and belongs to the technical field of communication; wherein the method comprises the following steps: S1, loading a protocol template; S2, establishing communication with a source device; S3, original data analysis and conversion; S4, data standardization writing into a database; S5, standardized data mapping and frame construction; S6, establishing communication with a target; the system comprises the following modules: a protocol configuration module, used for storing and managing template information of all converted protocols; a data acquisition and analysis engine, used for establishing communication with the source device; a data standardization and database module, used as a data transfer hub of the system; a data mapping and encapsulation engine, used for preparing communication data for the target device; and a data sending engine, used for communicating with the target device; the application solves the problems of protocol incompatibility between new and old fire alarm devices, lack of flexible conversion mechanism and difficulty in unified access to an Internet of Things platform in the prior art.

The invention discloses a blast furnace gas purification device and a process method thereof. The device comprises a heat exchange unit, a washing unit, a desulfurization unit and a sulfur separation and recovery unit which are connected in sequence, wherein the outlet of the desulfurization unit for discharging the desulfurized blast furnace gas is also connected with the inlet at the lower part of the heat exchange unit, and the desulfurized blast furnace gas discharged by the desulfurization unit is conveyed into the heat exchange unit and is subjected to heat exchange with the blast furnace gas subjected to gravitational dust removal. Through the heat exchange unit, the temperature of inlet blast furnace gas is reduced, meanwhile, heat is recycled, the temperature of outlet blast furnace gas is increased, then wet dust removal, purification and desulfurization are conducted, sulfur-containing substances are directly converted into sulfur through a desulfurizing agent so that the sulfur can be recycled, separation is easy, no additional sulfur-containing solid waste is generated, and the desulfurizing agent can be conveniently regenerated and reused; the whole purification process flow is short, the TRT generating capacity can be increased, meanwhile, desulfurized blast furnace gas enters the TRT for power generation, power generation equipment is prevented from being corroded, and the service life of the equipment is prolonged.

The utility model discloses a kind of transmission electron microscope sample bearing devices, it is related to transmission electron microscope technical field.Its structure includes bearing plate, elastic pressing plate and pressure plate;Bearing plate upper surface is equipped with recessed groove part for placing sample and elastic pressing plate;Two for pressure plate insertion cooperation guide clamping plate are fixed on bearing plate upper surface, and when pressure plate is inserted on two guide clamping plate, it is pressed on elastic pressing plate.The utility model improves the use efficiency of transmission electron microscope and sample processing amount by simplifying sample fixing mode, improving operation convenience and protecting sample from being damaged, while reducing maintenance and replacement cost in long-term use;By using the combination of elastic pressing plate and pressure plate, the complex operation of traditional screw fixing is avoided, so that the installation and uninstallation process of sample is more convenient and fast. Users only need to complete the fixation of sample by tweezers operation, without additional tools.

The invention discloses a heliostat wireless control system and method based on multiple frequency bands. The system comprises an in-situ layer, a convergence layer and an application layer. The in-place layer is a heliostat in-place control layer and comprises a communication gateway, an in-place controller and corollary equipment of the in-place controller; the in-situ layer is based on a cable-free design, and the communication gateway and the in-situ controller are in communication connection through a wireless network; the convergence layer comprises a control center, a switch and a wireless management platform; the control center manages the communication gateway, distributes frequency bands for the communication gateway, and accesses the mirror field optical fiber ring network through the switch to communicate with the mirror field control system; the application layer comprises a mirror field operator station, an engineer station and a mirror field control and scheduling system, and is used for data collection, display and scheduling of the whole mirror field control system. According to the invention, the cost of the mirror field in the aspects of power distribution equipment, cable purchase and construction is obviously reduced.

The utility model discloses an on-line repairing structure for an ascending pipe base, which is provided with a damaged ascending pipe base body, a damaged opening is arranged on the ascending pipe base body, a lining made of refractory bricks is arranged on the inner side wall of the ascending pipe base body, a circle of steel ring is arranged on the outer side of the ascending pipe base body, and the ascending pipe base body is surrounded by the steel ring. The inner side opening of the damaged opening is filled with a prefabricated filler block, a stainless steel wire is connected to the prefabricated filler block, the steel wire is tensioned and fixed to the steel ring, a refractory mortar layer is poured between the steel ring and the outer side wall of the ascending pipe base body, and the refractory mortar layer and the prefabricated filler block are fused into a whole; according to the riser base repairing device, on-line repairing of a riser base is achieved, the construction process of dismantling a riser and a bridge pipe is avoided, risks are effectively reduced, replacement cost is reduced, the labor intensity of replacement operation is reduced, the time is only 2-3 h, and efficiency is greatly improved.

A glass curtain wall system with replaceable glass ribs comprises a glass panel and a glass rib. One side of the glass rib is connected to the surface of the glass panel; a base for fixing to a bottom structure; a footstock for securing to a top structure; the bottom connecting piece is used for detachably connecting the glass rib to the base; the top connecting piece is used for detachably connecting the glass rib to the top seat; wherein the top of the bottom connecting piece is fixed to the bottom of the glass rib, the bottom of the bottom connecting piece can swing and is detachably connected to the base, the bottom of the top connecting piece is fixed to the top of the glass rib, and the top of the top connecting piece can vertically move and is detachably connected to the top base. According to the invention, the glass rib is in bolted connection with the existing structure, so that the problem that the glass rib can be replaced only after the glass rib is damaged and the adjacent glass panel is disassembled and the outdoor ground pavement is damaged is solved, independent disassembly and replacement of the glass rib are realized, and the replacement difficulty and the replacement and maintenance cost of the sitting type glass rib are greatly reduced.

The invention discloses a roadbed widening pile-slab structure and a construction method thereof. The connection problem of a pile plate structure, a newly-built widened roadbed and an existing road roadbed is particularly important. The connecting structure is used for connecting a newly-built widened roadbed and an existing roadbed and comprises a bearing plate, and longitudinal butt straps are arranged on the two sides of the bearing plate in the longitudinal bridge direction correspondingly; a transverse butt strap is arranged between the two longitudinal butt straps; a pile foundation is arranged below the bearing plate, and a stem slope is arranged between the bearing plate and the pile foundation; the bearing plate is connected with the newly-built widened roadbed and the existing roadbed through brackets; the longitudinal butt strap and the transverse butt strap are connected with the bracket of the bearing plate through studs; a concrete bridge floor cast-in-place layer is arranged above the bearing plate, the longitudinal butt strap and the transverse butt strap; the waterproof layer is located between the concrete bridge deck cast-in-place layer and the asphalt concrete bridge deck pavement layer. Stable connection between the newly-built widened roadbed and the existing roadbed is achieved, and the requirement for the safe distance of important pipelines when the roadbed is widened is met.

The utility model provides a sheet material forming tool for manufacturing corrugated sheet, including upper tool assembly and lower tool assembly, upper tool assembly and lower tool assembly include base and a plurality of finger elements respectively, a plurality of upper finger elements and a plurality of lower finger elements are inserted in upper base and lower base along the feeding direction, interval, upper finger elements and lower finger elements are opposite, set alternately, are used for stamping sheet material to form the corrugation of corrugated sheet, the inner wall surface of upper base and lower base is abutted on the side wall of upper finger elements and lower finger elements respectively. The sheet material forming tool will be subject to wear forming element and fixed element split body manufacture, only need to replace the damaged finger element, and do not need to replace the whole sheet material forming tool, thereby shorten the replacement time, improve production efficiency, also save the replacement cost. And the cooperation structure of finger element and base is simple, avoids stress concentration, reduces the probability of damage.

The invention relates to the technical field of rail transit infrastructure, in particular to a mixed casting nylon sleeper and a preparation process thereof, the mixed casting nylon sleeper is formed by mixed casting of a main material and an auxiliary material according to the mass percentage, the auxiliary materials comprise sodium hydroxide, toluene diisocynate, glass fiber powder, glass beads, peregal, polyethylene glycol, a PVT liquid flexibilizer, sodium carbonate, silicone grease or silicone oil, toner, molybdenum disulfide and newly added nano titanium dioxide; by adopting the glass fiber powder and other reinforcing materials, the high tensile strength and impact resistance of the product are ensured, and the service life of the track is prolonged. Compared with the prior art, the railway ballast pulverization phenomenon is reduced, nano titanium dioxide is introduced and is matched with ultraviolet curing treatment, surface cleanness can be maintained, pollutant attachment is reduced, the maintenance difficulty is reduced, compared with a traditional concrete sleeper, the weight of the product is reduced by 50%-70%, and the installation and transportation cost and the labor intensity are greatly reduced.

The application discloses a kind of methods for the deformation prevention reinforcement of bridge crane contactor moving contact, it is related to steel production technical field, by the disassembly detection of 30 fault contactors, statistics obtains that moving contact deformation accounts for 78%, spring failure 15%, other 7%. Establish three-dimensional scanning model, quantize deformation characteristics, determine the middle part of groove is the maximum deformation area, compare the performance parameters of 6 kinds of materials (beech, oak, nylon, PTFE, phenolic resin, silicone rubber), finally select the beech containing moisture content 8-10% as filling material. Its thermal expansion coefficient (5×10 ‑6 / ℃) and copper contact (17×10 ‑6 / ℃) form complementary effect, compared with prior art, the structure stability is improved: through wood plug filling scheme, moving contact deformation is controlled in ±0.1mm range, service life is extended: contactor use cycle is extended from 3 months to 12 months or more.

The invention discloses a mast toppling prevention control method and system and a rotary drilling rig. The control method comprises the steps that the inclination angle of a mast on a main machine and the position of a power head on the mast are obtained; according to the inclination angle between the mast and the main machine and the position of the power head on the mast, the actual gravity center position of the mast assembly is calculated; the actual center-of-gravity position of the mast assembly is compared with a preset center-of-gravity position, and when the actual center-of-gravity position of the mast assembly is located in a safe position area of the preset center-of-gravity position, the rotary drilling rig works normally; and when the actual center-of-gravity position of the mast assembly is located in the overrun position area of the preset center-of-gravity position, the rotary drilling rig stops working and controls the actual center-of-gravity position of the mast assembly to restore to the safe position area. Overturning accidents caused by overload, wind power and the like are effectively prevented, and the safety of operators and the surrounding environment is guaranteed. And the repair cost caused by equipment damage and economic losses such as various compensation caused by accidents are avoided.

The invention discloses a calculation method and a protection structure aiming at river erosion, the protection structure aiming at river erosion comprises a foot structure, a top structure and bank protection stone, the foot structure is L-shaped, the bottom of the bank protection stone is arranged at the corner of the foot structure, the top structure is L-shaped, a cavity is formed in the upper end of the top structure, and the bottom of the bank protection stone is arranged in the cavity. A protrusion connected with the upper end of the bank protection stone is arranged at the lower end of the top structure, and a round hole for fixing is formed in the end face of the top structure. According to the method, the erosion degree of the river bank under different hydraulic parameters and forms of the river is analyzed, and theoretical support is provided for life safety of the river bank and people around the river bank. Sediment movement is considered, a foot structure is arranged, the slope of a river bank is reduced, and the anti-sliding force of the river bank is increased; the foot structure and the stone are not integrated, so that the stone cannot be broken due to self weight when the bottom is eroded.

The invention relates to a bolt and nut fastening device for automobile machining, which comprises a quick-insertion type locking mechanism, and the quick-insertion type locking mechanism comprises a locking motor, a locking main driving rod, a transition sleeve, a replacement transition rod and a disassembly sleeve; one end of the locking main driving rod is fixedly connected with the output end of the locking motor, the other end of the locking main driving rod is movably connected with the transition sleeve in a pluggable mode, and the end, away from the locking main driving rod, of the transition sleeve is fixedly connected with one end of the replacement transition rod. The end, away from the transition sleeve, of the replacement transition rod is movably connected with the dismounting sleeve in a pluggable mode. The anti-shearing force of the locking main driving rod can be effectively improved, the service life of the locking main driving rod is prolonged, the situation that accessories are replaced due to abrasion caused by frequent tangential force is improved, the accessory replacement cost is reduced, the accessory replacement convenience is improved, synchronous locking is achieved according to opposite angles fastened by bolts and nuts at different positions, and the locking effect is good. And the stress uniformity of part assembly in the automobile machining process is improved.

The invention relates to a device and a process for comprehensively recycling tail gas generated in production of a chemical polyimide film. The device consists of an absorption separation system, a salt separation recovery system and a rectification system. The process comprises the following steps: collecting production tail gas, feeding the tail gas into a first absorption tower, and removing acetic acid and isoquinoline in the tail gas to obtain a recovery solution containing acetate and isoquinoline; the tail gas at the top of the first absorption tower enters a second absorption tower for DMF / DMAC recovery to obtain a clean DMF / DMAC recovery liquid, the clean DMF / DMAC recovery liquid is sent to a rectification system and refined to obtain a qualified DMF / DMAC product, and the tail gas treated by the second absorption tower is discharged after reaching the standard; the acetate-containing recovery liquid is sent to a salt separation recovery system, and acetate and isoquinoline products are obtained after salt separation and purification; according to the device and the process, the purified tail gas reaches the standard and is discharged, meanwhile, comprehensive recycling of high-value components in the chemical method polyimide film production tail gas is achieved, qualified sodium acetate, isoquinoline and DMF / DMAC products are obtained, and great economic benefits are achieved.

This utility model relates to a fresh meat cutting machine, including a worktable, a conveying mechanism for conveying fresh meat, and a cutting tool assembly for cutting the fresh meat. The conveying mechanism is located on the worktable. The cutting tool assembly includes a first mounting frame located at the discharge end of the conveying mechanism, and a first blade and a second blade, both vertically downwards, mounted on the first mounting frame. The cutting edge of the first blade is arranged along the feeding direction of the conveying mechanism, and the cutting edge of the second blade is perpendicular to the cutting edge of the first blade. There are multiple first blades arranged at intervals perpendicular to the feeding direction of the conveying mechanism. The first mounting frame has multiple mounting positions for mounting the first blades, and the first blades can be detachably mounted on each mounting position. The fresh meat cutting machine provided by this utility model can control the size of the fresh meat pieces by removing and installing different numbers of first blades, making it convenient and quick to use, and has good practicality.

The utility model relates to the field of automobile bumpers, provides a shock absorption type automobile bumper, and aims to solve the problems that impact force cannot be dispersed, impact pressure cannot be effectively absorbed, and the shock absorption efficiency is reduced. The anti-collision plate extrudes the air cylinder through the second pressing block, meanwhile, the first pressing block can extrude the air cylinder, buffering can be provided for collision, the pressure of the connecting plates is dispersed to the two ends of the frame and matched with the second connecting plates, the pressure caused by collision and extrusion is buffered through the springs, and therefore the impact pressure can be effectively buffered and absorbed, and the damping efficiency is improved.

This utility model relates to the field of storage rack technology and discloses a collision-proof pipe storage rack, including a base and three uprights. An upright first and an upright second are fixedly connected to the upper surface of the base. A sleeve first is rotatably connected inside the upright first. A handle is fixedly connected to the outer wall of the sleeve first. A splined shaft is fixedly connected inside the sleeve first, and a bevel gear first is slidably connected to the outer wall of the splined shaft. In this utility model, through the mutual cooperation of the handle, sleeve first, splined shaft, bevel gear first, bevel gear second, connecting block, threaded rod, fixing block, and clamping element first, the effect of simultaneously clamping all pipes is achieved. This simplifies the pipe fixing process, prevents collisions, scratches, and accidental drops during handling, ensures the safety of operators, and guarantees the integrity of the pipes, thereby improving overall operational safety.

The invention relates to the technical field of intelligent facility management, in particular to a real estate intelligent facility management method and system based on big data, and the method comprises the steps: 1, collecting data in the operation process of an intelligent lighting facility, and obtaining various monitoring parameters for analyzing the fault management of the intelligent lighting facility; the intelligent lighting facility fault management method comprises the steps of 1, obtaining various management indexes of intelligent lighting facility fault management, 2, comparing the various management indexes obtained in the step 2 with a threshold value, identifying and managing a fault according to a comparison result, and generating a fault management strategy, and 4, evaluating a fault management result in the step 3 through a big data analysis technology. Step 5, carrying out man-machine interaction on an evaluation result obtained in the step 4; through fault analysis and management of the intelligent lighting facility, the probability and loss of fault occurrence are reduced, and the reliability of the lighting facility is improved.

The invention relates to a wind driven generator blade replacing device and method, the blade replacing device comprises a blade root hoop (1) and a hub lifting point assembly (2), the blade root hoop (1) surrounds the blade root of a blade (3), the hub lifting point assembly (2) is arranged on the outer side of a hub (4), and the blade root hoop (1) is connected with the hub lifting point assembly (2) and a lifting assembly (6) on the ground through a lifting rope (5). Compared with the prior art, the requirement for a crane can be lowered, and the replacement cost of the blades is reduced.

This utility model belongs to the field of shipbuilding, specifically a steel plate cutting device for shipbuilding. It includes a ventilation pipe, with uniformly distributed filter pipes fixedly connected to the inner side of the top of the ventilation pipe. A first sealing ring is fixedly connected to the middle of the inner side of the filter pipe, and a filter screen is fixedly connected to the bottom of the first sealing ring. A cleaning component is provided inside the filter screen, and a second sealing ring is fixedly connected to the bottom of the filter screen. The second sealing ring is fixedly connected to the filter pipe, and a storage component is provided inside the second sealing ring. This utility model provides a steel plate cutting device for shipbuilding that collects dust through a storage pipe, and simultaneously allows for cleaning of the dust inside the storage pipe by removing a second bolt, eliminating the need for purchasing and installing an external dust removal system. Furthermore, it simplifies the production line layout, avoiding complex operation and equipment coordination problems caused by dust removal equipment.