86results about How to "Reduce maintenance rate" patented technology

The utility model discloses a two-shaft mixing pump. The two-shaft mixing pump is characterized by comprising a pump body and two connecting shafts, a roots pump body cavity and a screw pump body cavity which are mutually independent are arranged in the pump body; the pump body is provided with an air inlet, an air outlet and a connecting channel, the roots pump body cavity is communicated with the outside atmosphere through the air inlet, the screw pump body cavity is communicated with the outside atmosphere through the air outlet, and the roots pump body cavity is communicated with the screw pump body cavity through the connecting channel. Two roots rotor parts which are meshed with each other are arranged in a cavity of the roots pump body, and the two roots rotor parts are respectively arranged on the two connecting shafts; and two screw rotor parts which are meshed with each other are arranged in a cavity of the screw pump body, and the two screw rotor parts are respectively mounted on the two connecting shafts. According to the utility model, the occupied space is reduced, the vacuum degree is improved, and the cost is reduced.

The utility model discloses an integrated vacuum system which is characterized in that the integrated vacuum system comprises a box body, a first vacuum pump and a second vacuum pump, the first vacuum pump and the second vacuum pump are arranged in the box body, the top of the second vacuum pump is connected with the bottom of the first vacuum pump through a mounting plate, and two sides of the box body are respectively provided with a cross beam. Two sides of the first vacuum pump are respectively connected with the cross beam through supporting legs; a connecting port is formed in the mounting plate, and an air inlet in the top of the second vacuum pump is communicated with an air outlet in the bottom of the first vacuum pump through the connecting port. According to the utility model, the convenience of installation and debugging is improved, and the vacuum effect is also improved.

The utility model discloses a cooling device for a converter flue oxygen lance opening, which belongs to the technical field of converter equipment and comprises a shell, a plurality of water inlet runners and a plurality of water outlet runners. A water inlet header and a water outlet header are annularly arranged on the periphery of the shell, and a communicating box is annularly arranged at the inclined opening end of the shell. The multiple water inlet flow channels are arranged in the circumferential direction of the shell and located in the side, close to the inner wall, of the shell. The multiple water outlet flow channels are arranged in the circumferential direction of the shell and located in the side, close to the outer wall, of the shell. As the water inlet runner, the water outlet runner and the shell are formed by integral casting, the oxygen lance opening has few structural weak parts, and the oxygen lance opening is strong in integral structure and is not easily damaged by external impact. The water inlet runner and the water outlet runner are separated in the inner wall and the outer wall of the shell respectively, so that the overall cooling uniformity of the oxygen lance opening is high, a heat concentration area is avoided, the structure of the oxygen lance opening is effectively protected, the service life of the oxygen lance opening is remarkably prolonged, and the maintenance rate is reduced.

The invention discloses a measurement and control method and a measurement and control device for preventing hydrogen sulfide corrosion of an oil well, and relates to the technical field of environmental protection. A stabilization method that a temperature sensor and a liquid level sensor are used for detecting the excessive amount of output zinc carbonate in the working environment of a medicament storage tank, a monitoring method that a 5G data transmission gateway is used for transmission and a central control system is used for monitoring the content of hydrogen sulfide are adopted, the injection amount of the medicament is comprehensively controlled and adjusted, and corrosion of hydrogen sulfide to the wall of an oil casing is prevented; corrosion and permeation to a gathering and transportation pipe network and equipment are prevented, the service life of the whole system from the well bottom to the gathering and transportation pipe network is prolonged, huge maintenance funds are reduced, and a new way for preventing hydrogen sulfide corrosion is developed for an oil field.

A demisting cleaning mechanism comprises an exhaust pipe, the exhaust pipe is fixedly communicated with one side of a desulfurization box, an exhaust fan is fixedly mounted in the exhaust pipe, the end part of the exhaust pipe is communicated with a water-cooling demisting box, a demister body is fixedly mounted in the water-cooling demisting box, and the demister body is fixedly mounted in the demister body. The demister comprises a demister body, a rotary cold water pipe is rotationally connected into the demister body, an annular water pipe sleeves the rotary cold water pipe, a fixed box is rotationally connected to one end of the rotary cold water pipe, a first bevel gear is fixedly mounted at one end of the rotary cold water pipe, and a water inlet pipe is fixedly connected to one side of the fixed box; a hollow rotating shaft is fixedly installed between the water inlet pipe and the rotating cold water pipe, a second bevel gear is meshed with the bottom of the first bevel gear, a rotating shaft is fixedly connected with the bottom of the second bevel gear, a fixing shell is fixedly connected with the bottom of the water-cooling demisting box, and the cleaning effect of the device is good.

The utility model discloses a dust removal and collection device which comprises a dust sticking assembly, a dust removal assembly arranged below the dust sticking assembly, a dust collection assembly arranged below the dust removal assembly, a dust removal pipeline connected with the dust collection assembly and a suction fan connected to the other end of the dust removal pipeline. Wherein the dust cleaning assembly comprises a brush driving roller, a brush arranged on the surface of the brush driving roller, and a power unit for driving the brush driving roller to move horizontally. According to the dust removal device, the dust removal assembly is arranged below the dust sticking assembly, the brush doing reciprocating motion in the dust removal assembly can comprehensively sweep dust on the dust sticking roller, then powder scraps are collected and treated through the dust collection assembly and the negative pressure equipment, the cleaning automation degree is higher, and the cleaning effect is greatly improved.

The invention belongs to the technical field of temperature measurement and analysis of power generation enterprises, and particularly relates to an automatic temperature measurement and fault analysis method and a related system, which can effectively filter environmental noise and error influence of equipment by preprocessing temperature data so as to obtain more accurate temperature data. The data preprocessing can eliminate random noise in temperature measurement, and the measurement precision is improved. Through temperature trend prediction and abnormal data extraction, temperature abnormity can be identified as early as possible, and potential faults can be predicted. The trend prediction and comparison process helps to find problems before faults occur, so that advanced intervention is realized, and the fault diagnosis efficiency is improved. According to the invention, the optimization strategy generated based on the prediction result can be correspondingly adjusted before the fault occurs, and the probability of equipment shutdown or maintenance is reduced, so that the overall operation efficiency of the system is optimized, and the maintenance cost is reduced.

The range hood comprises a shell, and an air inlet is formed in the front side of the shell; the range hood further comprises a smoke barrier for manually opening and closing the air inlet and a rotating shaft assembly for rotationally connecting the smoke barrier with the shell; the rotating shaft assembly comprises a guide rail plate, a rotating connecting plate and a supporting plate, the guide rail plate and the supporting plate are fixed in the shell, the rotating connecting plate is partially located between the guide rail plate and the supporting plate, the rotating connecting plate is rotationally connected with the guide rail plate and fixed to the smoke barrier, and a sliding block capable of being locked or unlocked with the rotating connecting plate is arranged on the supporting plate. The sliding block keeps the trend of penetrating through the supporting plate and facing one side of the guide rail plate. Compared with the prior art, the range hood has the advantages that by arranging the smoke barrier which is manually operated and the rotating shaft assembly which provides rotating support for opening and closing of the smoke barrier, manual operation can not only improve the use experience of users who like mechanical feeling, but also reduce the product maintenance rate and cost, and can also ensure the appearance consistency of the whole range hood.

The vehicle-mounted tiny-oil piston machine body structure comprises an outer shell, a piston, a connecting rod and a crankshaft, the crankshaft is rotationally connected into the outer shell, the piston is connected into the outer shell in an up-down sliding mode and located at the upper end of the crankshaft, and the upper end and the lower end of the connecting rod are rotationally connected with the piston and the crankshaft respectively. An oil receiving shell and an oil stirring box are fixed to the bottom end of the outer shell, the oil stirring box is located on the inner side of the oil receiving shell, and an oil beating needle is vertically fixed to the bottom end side of the connecting rod and located in the outer shell in the position above the oil receiving shell; the utility model has the advantages that the structure is simple, the normal use of the air compressor can be ensured, the maintenance rate is reduced, and the original oil way system can be replaced to improve the lubricating efficiency.

A heat pump power failure antifreeze system with a vertical water-sealing section is disclosed. For the heat pump circulating water circuit, it includes a condition controller, an antifreeze temperature sensor, an inflation and deflation mechanism, a gas-liquid balance mechanism with a vertical water-sealing section, and a flow-stop electric valve. The condition controller identifies the mains power supply status. In the event of a power outage, the flow-stop valve and inflation mechanism activate to force water from the outdoor section of the heat pump circulating water circuit into the indoor section, achieving antifreeze. When the mains power is restored, the deflation mechanism expels air from the heat pump circulating water circuit, allowing the system to resume normal operation. All actions are controlled automatically by the condition controller. The gas-liquid balance mechanism with the vertical water-sealing section transmits pressure identification signals to the condition controller, and, in conjunction with the antifreeze temperature sensor, ensures the correct start and stop of the inflation mechanism. This is the innovative aspect of this invention.

This invention discloses an integrated vacuum system, characterized by: a housing, a first vacuum pump and a second vacuum pump disposed within the housing; the top of the second vacuum pump is connected to the bottom of the first vacuum pump via a mounting plate; a crossbeam is provided on each side of the housing, and the two sides of the first vacuum pump are connected to the crossbeams via support feet; a connection port is provided on the mounting plate, and the air inlet at the top of the second vacuum pump is connected to the air outlet at the bottom of the first vacuum pump via the connection port. This invention improves the convenience of installation and debugging, and also improves the vacuum effect.

The utility model discloses a through shaft type rotary tillage seeding machine which comprises a machine frame, a gear box arranged in the middle of the machine frame and power output shafts installed on the two sides of the gear box, the tail ends of the power output shafts are hinged to a side gear box, the side gear box is connected with a main shaft, the main shaft is a whole through shaft, and the side gear box drives the main shaft to rotate for rotary tillage. An R shaft is arranged on one side of the side gearbox, a floating point is arranged at the upper end of the R shaft, and the floating point and the rear device move together; according to the utility model, the whole through shaft rotates to perform rotary tillage weeding, and the floating point is utilized to perform fine adjustment to meet the actual sowing and ploughing use.

This invention relates to a vehicle window assembly and a vehicle. The vehicle window assembly includes: a window glass; and a luminous warning sign mounted on one side of the window glass. The luminous warning sign includes a light-emitting component, and when the light-emitting component emits light, the luminous warning sign forms at least a first light pattern in the shape of a triangle. When used in a vehicle, the vehicle window assembly of this invention provides intelligent warning, improving driving safety. It eliminates the need for manual placement of the luminous warning sign, transforming it from a passive to an active warning system. This requires no modification to the vehicle's original structure, reducing manufacturing costs. It provides instantaneous warnings and exhibits high stability in use.

The utility model discloses an accessory storage mechanism for shared electric wheelchair and shared electric wheelchair. The accessory storage mechanism includes storage box subassembly and buckle mechanism, the storage box subassembly includes the storage shell fixed mounting in electric wheelchair body one side, the lower part fixed mounting of this storage shell inner chamber has first baffle, and this first baffle is used for fixed charging equipment, and one end of charging equipment passes through charging wire and is electrically connected with electric wheelchair body. Meanwhile, the storage shell can also be used for storage handle, lock and other electric wheelchair accessories. The utility model discloses setting up storage box subassembly on shared electric wheelchair, can fundamentally solve the rust, collision and artificial damage of charging equipment because of exposure, guarantees the stable reliable of charging function, still avoids the security hidden danger that wire disorder brought about through the neat wire groove layout, and the durability, security and service life of equipment whole have been improved significantly.

The utility model relates to the technical field of packaging and sealing, in particular to an electromagnetic sealing machine which comprises a working table, a lower sealing seat arranged on the working table, a heating strip arranged in the lower sealing seat, a sliding guide rail arranged on the working table, a sliding strip connected to the sliding guide rail in a sliding mode, an upper sealing seat connected to the sliding strip and an adapter rod connected to the upper sealing seat. The upper sealing base is located over the lower sealing base, a magnetic ball is connected to the adapter rod, one end of a reset spring is connected to the lower portion of the extension plate, the other end of the reset spring is connected with the magnetic ball, and an electromagnet device is arranged below the magnetic ball. The electromagnet device and the magnetic ball connected with the reset spring are arranged, the electromagnet device can attract the magnetic ball above after being powered on to generate magnetism, the magnetic ball drives the upper sealing base to move downwards to make contact with the lower sealing base to conduct sealing action, the upper sealing base resets upwards after the electromagnet device is powered off to be demagnetized, the movement relation is simple and clear, and the sealing effect is good. And the equipment is small in occupied area, and is particularly suitable for a small-sized processing production line.

The utility model belongs to the technical field of ultralow-temperature refrigeration, and particularly relates to an ultralow-temperature refrigeration system for a refrigeration house, which comprises a first refrigeration system, a second refrigeration system and a heat exchanger, the first refrigerant circularly flows in the first refrigerating system; the second refrigerating system comprises a second compressor, a second oil-gas separator and an evaporator which are sequentially connected end to end, and further comprises a second refrigerant which circularly flows in the second refrigerating system; the evaporator is located in the refrigeration house to cool the refrigeration house. Compared with the prior art, through the arrangement of the second refrigerating system, the technical problem that in the prior art, the temperature of the refrigeration house cannot be lowered to the ultralow temperature state is solved.

This utility model belongs to the technical field of soil sealing machines and discloses a chassis for a telescopic variable amplitude automatic height-adjustable obstacle-crossing soil sealing machine. It includes an outer frame, with a fixed support fixedly installed on one side of the inner side of the outer frame, and a movable support movably installed on the other side of the inner side of the outer frame. The movable support is hinged to the fixed support via multiple sets of rotating devices. Hydraulic cylinders are hinged to the middle of both ends of the outer frame, and the power output end of the hydraulic cylinders is hinged to the movable support. This utility model has a simple overall structure and can automatically adjust part of the height during the operation of the soil sealing machine to avoid obstacles, protect the drip irrigation tape, and improve the performance.

The furniture welding tool comprises a rack, an air source, an air pressure sensor and an electric control cabinet, the air source is provided with at least one air outlet pipe outputting constant pressure, the air outlet end of the air outlet pipe is connected to the rack, and an air outlet of the air outlet end is opposite to the surface of a product to be welded; the air outlet is used for blocking at least part of airflow output by the air outlet, and the pressure of the airflow at the air outlet is changed along with deformation of a product during welding; the air pressure sensor is used for measuring air flow pressure at the air outlet; the electric control cabinet is provided with a control unit and a warning unit, and when the pressure value collected by the control unit exceeds a preset pressure value range, the warning unit is controlled to give an alarm; the furniture welding tool is adopted in the welding method. Therefore, in the welding process of the furniture welding tool, the welding size quality of products can be monitored in real time, the welding size quality is improved, and the maintenance rate and the rejection rate are reduced.

This utility model discloses a temperature and humidity control device for intelligent start-stop of heating and cooling in edible fungus cultivation facilities, including a control panel, a temperature control mechanism, and a humidity control mechanism. The temperature control mechanism includes a temperature sensor, an air blowing assembly, and a temperature control component. The air blowing assembly includes a main pipe, branch pipes, and an air blowing pipe. The temperature control component includes a cool air blower and a heating unit. The humidity control mechanism includes a humidity sensor, an atomizing assembly, and a humidity control component. The atomizing assembly includes a water supply pipe, an atomizing pipe, and an atomizing nozzle. By combining the control panel, temperature control mechanism, and humidity control mechanism with the cultivation room, this utility model can monitor the humidity and temperature inside the cultivation room in real time and control the temperature and humidity according to the conditions inside the room, effectively improving the yield of edible fungi and reducing management costs.

The utility model discloses a solar heat collector heat exchange system with air circulation heating, which belongs to the technical field of solar heat collection and comprises a straight-through type solar tube, two ends of the straight-through type solar tube are communicated through an air delivery tube, the air delivery tube is provided with a heat exchanger and a fan, the fan pushes air circulation heating, and the air circulation heating is achieved. And the heat exchanger transfers heat in the hot air to other media. The solar heat collector heat exchange system is researched and developed based on the practical application of the solar heat collector, and through air circulation heating, the solar heat collector heat exchange system with the air circulation heating function has the low maintenance rate and use cost.

The utility model discloses an integrated heating radiator head relates to the field of heating radiator head. Integrated heating radiator head includes: the flow pipe, and the flow pipe is small -bore pipeline, connecting casing, the both ends of symmetry fixed connection in flow pipe, the both sides of connecting casing symmetry have the connector, wherein, connecting casing, connector and flow pipe between through pouring integrated setting, the utility model discloses an integrated pouring forming process, solves the quality and the aesthetic pain point of traditional welding type, and through small -bore flow pipe again, realizes the heating effect optimization of water -saving, speed -up, increase efficiency, on the structural innovation and performance promotion of heating radiator head, has the practical value and market advantage of remarkable.

The invention relates to the technical field of heat exchange of electronic devices, in particular to a vapor chamber capillary core, a preparation method of the vapor chamber capillary core, a vapor chamber and an electronic device. The vapor chamber capillary core is essentially an implantable functional lattice capillary core, and aims to utilize the performance advantages of an advanced lattice structure to obtain a huge specific surface area by designing a more complex microstructure while keeping high porosity, thereby breaking the traditional contradiction between capillary performance and permeability in the traditional capillary core. In the vapor chamber capillary core, different lattice structures are arranged at the evaporation end and the condensation end, gradient design of a composite lattice capillary core module is achieved, completely different capillary core structures are adopted from the evaporation end to the condensation end, and the process with the two physical requirements of evaporation and condensation can be optimized in a targeted mode. Compared with a traditional sintered copper powder structure, the heat transfer limit of the vapor chamber is improved and optimized.

The present invention discloses a pipeline structure for a gas stove, characterized in that it includes an air intake pipe assembly, a connecting assembly, and an integrated valve body, wherein the air intake pipe assembly and the integrated valve body are fixedly connected via the connecting assembly; the present invention also discloses a gas stove using the pipeline structure. The present invention adopts the method of assembling the air intake pipe assembly, the integrated valve body, and the connections to form a pipeline structure for a gas stove, so that the entire assembly process is simple and fast, which is conducive to mass production, has high production efficiency, low cost, and long service life, and also effectively reduces the product maintenance rate; in addition, the present invention has a small number of assembly procedures, a small number of accessories that are not easily confused, a small cumulative error, and a high assembly accuracy, so that the valve body and the ejector pipe in the burner are well aligned, thereby not easily affecting the combustion conditions of the gas stove.

The invention relates to the technical field of gelatin production, in particular to a horse hide gelatin production line and a production process. A fishing unit is arranged on the depilating pool and comprises a fishing frame rotationally arranged on the upper portion of the depilating pool, the lower portion of the fishing frame is submerged below the liquid level of the fishing pool, fishing plates are evenly arranged on the fishing frame around the axis of the fishing frame, each fishing plate is of an arc-shaped structure, and the fishing plates can automatically rotate on the fishing frame. When the salvage plate rotates to the upper side along with the salvage frame, the salvage plate is in a closed state, when the salvage plate rotates to the lower side along with the salvage frame, the salvage plate is in an open state, the axis of the salvage plate does not coincide with the axis of the salvage frame, and the salvage plate can salvage hair floating in the hair removal pool at the moment; a collecting unit used for collecting hair is arranged in the salvage frame in the axis direction of the salvage frame in a penetrating mode, and the salvage plate rotates to the upper side along with the salvage frame and then throws the salvaged hair into the collecting unit. The maintenance rate is reduced, and the hair fishing efficiency is improved.

The invention discloses a new energy vehicle battery thermal management device, which includes a heat exchange module, the heat exchange module is respectively connected to a compressor module and a condenser fan module, the compressor module is connected to the condenser fan module, the heat exchange module includes a plate heat exchanger, the plate heat exchanger is connected to a combination valve and a water pump integrated valve block, the combination valve is respectively connected to an electronic expansion valve, a temperature and pressure sensor, a dry liquid storage tank, and a pressure sensor, and the water pump integrated valve block is connected to an electronic water pump. The invention discloses a new energy vehicle battery thermal management device, which reduces the types and number of parts, has a high degree of integration, and is small in size, and solves the problem of a large number of parts and a low degree of integration existing in the new energy vehicle thermal management device.