68results about How to "Reduce maintenance workload" patented technology

A device and locking method for fixing a lock gate on a fixed roll, comprising an upper support, a travel switch, a locking pull rod, a handle, a clamping plate, a bolt, a nut and a self-lubricating bearing piece; the upper support is fixed on the frame of the fixed roll, and the travel switch is fixed on the top of the upper support; one end of the locking pull rod is connected with a lower support, and the other end is fixed on the upper support through the nut; the handle and the clamping plate are fixed on the top of the locking pull rod through the bolt; the self-lubricating bearing piece is located between the nut and the upper support; and the lower support is fixed on the gate. The device and locking method are simple in structure, safe in operation, reliable in locking, and capable of realizing remote monitoring of the locking state, so as to solve the problems of existing gate locking devices, such as difficult manual carrying, dangerous operation, easy environmental influence and fixed locking position.

The invention provides a high-sulfur natural gas metering and pressure guiding device, method and system, and the device is characterized in that pressure measurement equipment is communicated with a natural gas pipe wall through a first pipeline, the pressure measurement equipment is communicated with differential pressure measurement equipment through a second pipeline, and the differential pressure measurement equipment is connected with the natural gas pipe wall through a third pipeline; the differential pressure type flowmeter is installed in the natural gas pipeline, the second pipeline and the third pipeline are communicated with the pressure liquid accumulation tank through branch pipes respectively, and the liquid inlet ends of the differential pressure liquid accumulation tank, the pressure liquid accumulation tank and the differential pressure liquid accumulation tank are all provided with switch valves electrically connected with the pressure measuring device and the differential pressure measuring device. According to the invention, the state of the gas flow of the natural gas pipeline is firstly judged by the differential pressure type flowmeter, and then pressure and differential pressure detection is carried out on the natural gas in a steady state by the pressure measurement equipment and the differential pressure measurement equipment, so that the accuracy of the detection data is guaranteed, and the corresponding switch valves are opened in time; therefore, the maintenance workload of high-sulfur-content field equipment is reduced.

This utility model relates to the technical field of slag discharge devices for furnace slag coolers, and discloses a slag discharge speed adjustment device for furnace slag coolers. The device includes a slag discharge cylinder, with an adjustment cylinder fixedly connected to the outer wall near the bottom. A rotating disk is movably connected to the bottom of the inner wall of the adjustment cylinder. The top of the rotating disk has six equidistant, annularly distributed inclined adjustment slots. An adjustment block is inserted into one end of the inner wall of each inclined adjustment slot. The output end of the adjustment block is located on the upper surface of the rotating disk. A limit slide is provided at the bottom of the slag discharge cylinder. The top output end of the adjustment block is slidably connected to the top of the inner wall of the limit slide. Through the cooperation of the above structures, this device achieves precise adjustment of the slag discharge speed of the furnace slag cooler. The rotating disk is driven to rotate by a forward and reverse motor, causing the adjustment block to move within the limit slide, changing the cross-sectional area of ​​the slag discharge channel. Simultaneously, a stirring roller driven by a servo motor prevents slag blockage, improving slag discharge efficiency and production stability, making it more practical.

The utility model relates to a kind of split type electric control silicon oil fan structure, it relates to the technical field of automobile parts design, it includes engine, fan bearing seat, electric control silicon oil clutch and fan blade connected in turn, electric control silicon oil clutch includes the driving disc for indirectly connecting engine power output shaft and the driven disc for connecting fan blade, driving disc and driven disc pass through working medium transmission power between, form split structure.The utility model provides the electric control silicon oil fan structure with low development cost, short matching period, facilitate the quick application of electric control silicon oil fan on vehicle.

The application relates to the technical field of wheel hubs, in particular to a vehicle wheel hub, which comprises a hub component group, the outer part of the hub component group is provided with a spoke component group, a quick-connection component group and an adjustable rim component group from near to far. Through the design of the quick-connection component group and the adjustable rim component group, the damaged spoke component group can be quickly replaced without disassembling the wheel hub, and through the cooperation of the outer moving plate, the clamping block and the inserting rod, the dismounting and mounting efficiency of the rim component is further improved.

This application relates to a self-drainage structure for a rotor installation pit. This application is applicable to the field of hydropower construction technology. The technical problem to be solved by this application is: to provide a self-drainage structure for a rotor installation pit. The technical solution adopted in this application is: a self-drainage structure for a rotor installation pit, comprising: an upper drainage hole formed between the installation pit and a construction support tunnel below the installation pit, the upper end of the upper drainage hole connecting to the bottom of the installation pit, and the lower end of the upper drainage hole connecting to the construction support tunnel; a middle drainage pipe disposed within the construction support tunnel, the upper end of the middle drainage pipe connecting to the lower end of the upper drainage hole, and the lower end of the middle drainage pipe extending to a drainage ditch at the bottom of the construction support tunnel; and a lower drainage hole formed between the construction support tunnel and a self-drainage tunnel below the construction support tunnel, the lower drainage hole connecting to a drainage ditch at the bottom of the construction support tunnel, and the lower end of the lower drainage hole connecting to the self-drainage tunnel.

This invention relates to a laser-based precision measurement and positioning system for hoisting ladle cars and molten steel ladles in refining areas, belonging to the field of steel metallurgical refining production equipment control technology. It includes: a laser measurement module for collecting ladle car displacement data; a laser ranging unit for collecting the relative distance data between the molten steel ladle and the target position during hoisting; an interlocking control module that automatically triggers the action interlock of the ladle car and molten steel ladle equipment when the ladle car displacement data and relative distance data are within a set threshold range; and an automatic confirmation module that controls the ladle car and molten steel ladle equipment to automatically complete positioning when the ladle car displacement data and relative distance data meet set conditions. This invention, by introducing an interlocking control module, technically eliminates human error, improving positioning stability to over 99.9%, forming a closed-loop technical solution of "measurement-positioning-interlocking-automatic confirmation".

The utility model relates to dust removal technical field discloses coal conveying system transfer station dust remover, including control chamber and filter bin, the control chamber downside fixedly connected on filter bin upside, the filter bin downside fixedly connected with discharge gate, the filter bin right side is established with gas outlet, the filter bin left side is established with air inlet, the control chamber upside inside fixedly connected with connecting pipe, the connecting pipe upside rotationally connected with apron, the filter bin inner wall downside fixedly connected with baffle, the baffle inside fixedly connected with filter bag, filter bag other side fixedly connected with connecting plate, the connecting plate upside is provided with fixed component, the connecting plate upside fixedly connected with handle, the sliding plate upside is provided with vibration component, in the utility model, realize filter bag self -cleaning through mechanical vibration, reduce maintenance cost, guarantee operation efficiency, simplify filter bag replacement process, improve equipment comprehensive performance.

This utility model discloses an aeration blower for a biological treatment tank, comprising: a blower main frame, which is located at the upper end of the biological treatment tank for wastewater treatment; a blower body is located inside the blower main frame; and a variable frequency speed-regulating blower for speed adjustment is located on one side of the blower body. A secondary air duct is connected in parallel to the main air duct via an electric pressure relief valve. The cleaning sleeve design of this utility model is driven to rotate by the airflow generated by the aeration head. The airflow swirl vanes and nylon brushes automatically clean the surface dirt of the aeration head, while auxiliary ball bearings reduce frictional resistance, ensuring smooth rotation of the cleaning sleeve and effectively preventing aeration head blockage. A multi-parameter sensor module can predict blower failures in advance by long-term monitoring of data such as pressure, flow rate, temperature, and humidity, enabling preventative maintenance, reducing maintenance workload and time costs, ensuring stable operation of the blower and aeration system, and continuously maintaining good aeration effects.

This application discloses a rodless pump-based surface power equipment for underground drainage and gas extraction, belonging to the technical field of underground drainage and gas extraction equipment. It includes: a conveying device for pumping power fluid; a drainage control valve, including a valve adjusting component and a valve body with a power fluid inlet, a power fluid outlet, a power fluid exchange port, and a power fluid return port. The power fluid inlet is connected to the conveying device, the power fluid outlet is connected to a pipeline injected into the formation, the power fluid exchange port is used to export a portion of the power fluid and allow it to return, and performs work on another portion of the power fluid exported through the power fluid outlet during the export process; the power fluid return port is used to return the power fluid to its source; and a driving device for actuating the valve adjusting component. When the driving device actuates the valve adjusting component, the valve adjusting component can connect the power fluid inlet to the power fluid outlet and the power fluid exchange port, or only connect the power fluid inlet to the power fluid exchange port, or connect the power fluid inlet to the power fluid outlet, the power fluid exchange port, and the power fluid return port.

This invention provides a low-thrust pulsation multi-stage reconnected electromagnetic propulsion device and its power supply control method, including two rows of stator coils, a mover plate embedded with multiple metal plates, a mover mechanism, and a stator power supply device; the two rows of stator coils are fixed in parallel on a stationary base, with each pair of stator coils arranged coaxially facing each other; the metal plates are embedded in the mover plate, which is fixed to the mover mechanism, located between and parallel to the two rows of stator coils, with the center of the metal plate and the axis of the two rows of stator coils on the same plane; the load is connected to the mover mechanism through a connecting mechanism; each row of stator coils is evenly spaced along the propulsion direction; multiple metal plates are evenly spaced along the propulsion direction on the mover plate; a pulse current is supplied to the stator coils through the stator power supply device, and the metal plates are subjected to a controllable and powerful thrust, causing the mover mechanism to move at high speed in the direction of the force. This electromagnetic propulsion device is suitable for propelling high-speed motion of moving bodies within different speed ranges.

The utility model belongs to the technical field of thermal power equipment, and relates to a high-efficiency combined preheater system of a thermal power plant boiler, which comprises a tubular air preheater arranged at the tail part of the boiler and used for heating primary air and a rotary air preheater used for heating secondary air, flue gas inlets of the tubular air preheater and the rotary air preheater are connected with a flue outlet of the denitration system, flue gas outlets of the tubular air preheater and the rotary air preheater are connected with the dust remover, and a water supply heat exchanger is further arranged between the flue gas inlet of the tubular air preheater and the flue outlet of the denitration system. The rotary preheater can further improve the operation efficiency of a coal power plant, solves the problems of high air leakage, loss and catalyst blockage of a traditional rotary preheater, has the advantages of energy conservation, economy and reliability, and meets the technical requirements of efficient and clean operation of a thermal power plant.

The utility model discloses a kind of electricity larceny-preventing electric energy meter, including bottom shell, left upper cover, right upper cover and bottom shell bottom wall iron plate, bottom shell is equipped with the iron plate positioning structure by pressing clamping piece, side positioning column and middle positioning column. Pressing clamping piece is set left and right, including integrally-formed positioning frame and elastic sheet with elastic protruding part;Two side positioning columns are separately arranged on the upper and lower sides of iron plate, and the first positioning hole is correspondingly arranged on the iron plate;Two middle positioning columns are separately arranged on the left and right sides of iron plate, and the second positioning hole is correspondingly arranged on the iron plate. The structure is axially positioned by positioning column and positioning hole cooperation, and the elastic protruding part of elastic sheet is transversely limited, and multiple components cooperatively form three-dimensional fixation. Its beneficial effect lies in that, compared with traditional bolt connection, iron plate installation can be quickly completed without tools, and installation efficiency is improved;Multi-directional positioning and fixing make the connection more stable, eliminate thread wear, bolt loosening hidden danger, and enhance the reliability of electric energy meter structure.

The application discloses a transmission line, wherein the transmission line comprises a first outer linear stator, a first bifurcated stator, a first inner linear stator, a cross stator and a first power line; the first outer linear stator transmits a mover in a first direction; the first bifurcated stator comprises a first confluence end, a first and a second bifurcation end, the first confluence end is spliced with the first outer linear stator; the first inner linear stator is spliced with the first bifurcation end and transmits a mover in a second direction perpendicular to the first direction; the cross stator comprises a first splicing end, a second splicing end, a third splicing end and a fourth splicing end arranged in sequence and perpendicularly, the first splicing end is spliced with the first inner linear stator; the first power line connects the first outer linear stator, the first bifurcated stator, the first inner linear stator and the cross stator in sequence. The technical scheme of the application can simplify the wiring mode of the transmission line.

This application relates to a permanent magnet electric roller, belonging to the field of motors, and includes a mounting base, a permanent magnet electric roller body, and an expansion sleeve assembly. The mounting base has a mounting through hole; the permanent magnet electric roller body includes a stator spindle, which passes through the mounting through hole; the expansion sleeve assembly is located between the mounting through hole and the stator spindle; when the stator spindle and the mounting through hole have relative rotation or a tendency to rotate relative to each other, the mounting through hole generates a limiting torque through the expansion sleeve assembly to limit the rotation of the stator spindle. When the permanent magnet electric roller is subjected to severe impact loads, the expansion sleeve assembly can absorb impact energy through slight deformation, and the stator spindle can slide relative to the expansion sleeve assembly, converting the impact energy into heat, thereby reducing the impact on the stator spindle. In addition, even if the impact is too large and causes the expansion sleeve assembly to fail, only the expansion sleeve needs to be replaced, without damaging the structural integrity of the stator spindle and the mounting base.

This invention belongs to the field of mining engineering technology, specifically disclosing a method for subsequent backfilling of a goaf in a gently dipping thick ore body. The backfilling method involves dividing the ore body vertically into multiple intermediate sections, each intermediate section into multiple segments along the strike, each segment into multiple ore block units along the dip, and each ore block unit into multiple stopes. Segmental vein roadways are arranged along the strike of the floor, and ore extraction ramps are arranged along the dip from these segmental vein roadways. Roof-cutting vein roadways are arranged along the strike of the roof, and roof-cutting ramps are arranged along the dip from these roof-cutting vein roadways. An ore extraction access road is constructed along the strike from the ore extraction ramps, and a drilling roadway is constructed along the strike from the roof-cutting ramps. Downward drilling is used in the drilling roadways to create blast holes and blast the ore, which is then extracted through the ore extraction access road. After mining is completed, a goaf is formed. Backfilling pipelines are laid through the roof-cutting vein roadways, roof-cutting ramps, and drilling roadways to the goaf before backfilling. This invention features reduced mineralization, high efficiency in mining, low cost, and high safety in stope mining.

This invention provides a titanium plate grinding machine, comprising a gantry frame, a grinding assembly, and a drive assembly. The drive assembly is mounted on the gantry frame. The grinding assembly includes a grinding head beam mounted on the drive assembly and a grinding head assembly mounted on the grinding head beam. The grinding head assembly is a four-grinding-head structure, including a first grinding head, a second grinding head, a third grinding head, and a fourth grinding head. The drive assembly includes a traveling motion device, a lateral movement device, and a lifting device for driving the grinding head assembly to move in three-dimensional space. This invention employs a four-grinding-head structure, coupled with an inverted T-shaped grinding head beam, significantly improving grinding efficiency and equipment stability, and avoiding tool marks. All motion axes are upgraded to servo control, improving grinding accuracy and uniformity. The grinding wheels are locked with flange bolts, simplifying disassembly and assembly and ensuring grinding quality. A new spray cooling system and a removable sludge tank are added to achieve centralized waste removal and water resource recycling.

This invention provides a ring network structure marine valve remote control and liquid level telemetry system, including a valve remote control data acquisition component and a liquid level telemetry data acquisition component. The valve remote control data acquisition component includes a valve remote control data acquisition box and n electric valve actuators, which are sequentially connected by cables to form a ring network structure. The liquid level telemetry data acquisition component includes a liquid level telemetry data acquisition box and n liquid level telemetry local processing units, which are sequentially connected by cables to form a ring network structure. This invention has the following advantages: The sequential connection of the n electric valve actuators and n liquid level telemetry local processing units to form a ring network structure, along with the redundant design of the ring network structure, not only significantly reduces the amount of cable used but also reduces the workload of cable laying, and ensures that any single point of failure will not cause a failure in all equipment.

This utility model discloses a rotor assembly, a motor, and a vehicle, relating to the field of oil-cooled motor technology. The rotor assembly includes: a rotor core comprising multiple stacked rotor laminations, each lamination having an oil drain hole. These drain holes are sequentially connected and used to drain cooling oil entering adjacent rotor laminations. Multiple oil drain holes are spaced apart along the circumference of the rotor laminations. An oil draining member is located at at least one end of the rotor core. The end face of the oil draining member facing the rotor core has an oil drain groove communicating with the oil drain holes. The oil drain groove includes an oil collecting recess, which is sequentially connected to the multiple oil drain holes arranged along the circumference of the rotor laminations, and is used to drain the oil from the oil drain holes to the outside of the oil draining member. This utility model solves the technical problem of inconvenient drainage of oil seeping into the rotor assembly in oil-cooled motors.

The utility model discloses an odor-resistant floor drain core with an internal filter element with a reducing pipe diameter, which comprises a filter cartridge and an inner pipe core, the inner pipe core is detachably nested and assembled in the filter cartridge, the filter cartridge comprises a draining section and a water storage section, a filter cartridge wall of the draining section is provided with a through hole for draining water, and the water storage section is provided with a water inlet and a water outlet. The water storage section is arranged on the lower portion of the draining section, a main body of the filter cylinder is of a cylindrical structure, the filter cylinder wall of the water storage section and the bottom of the filter cylinder are both of a waterproof structure, through holes in the lowest row of the draining section are the lowest drainage position, the inner pipe core comprises an upper reducing pipe and a lower duckbilled section, and the upper reducing pipe is connected with the lower duckbilled section. A water outlet port of the lower duckbilled section is arranged below the lowest drainage position, and the length of the lower duckbilled section is matched with that of the draining section.

The utility model discloses a cement scaling cleaning device for cement production belongs to cement production equipment technical field, including base, the upper end fixed connection of base has two side plates, is provided with the stirring drum between two side plates, the left and right sides of stirring drum all are through first rotation axis and corresponding side plate swing joint, the right side installation of right side side plate has first motor, cleaning mechanism, the cleaning mechanism includes the annular connecting plate setting below stirring drum, and the upper end of annular connecting plate is with the lower end of base between through a plurality of spring elastic connection. The equipment is to the use problem, sets up the agitating mechanism, and the cooperation first motor drives stirring drum to rotate, can realize the mixing and the discharge of cement material, also set up the cleaning mechanism, can through the slight impact of stirring drum to shake off the cement material and scaling block adhered in stirring drum, reduces the maintenance quantity and maintenance cost.

This application relates to a hydraulic self-locking filter plate sealing mechanism for a plate and frame filter press, and pertains to the technical field of filter presses. It includes a support plate, to which a telescopic mechanism is fixedly connected. A filtration mechanism is also fixedly connected to the outside of the support plate. The telescopic mechanism includes a drive assembly for driving, which is fixedly connected to the outside of the support plate. A connecting support column is fixedly connected to the outside of the drive assembly. A rotating rod connecting ring is rotatably connected to the outside of the connecting support column, and a connecting rotating rod is fixedly connected to the outside of the rotating rod connecting ring. This application ensures stable operation of the mechanism, its modular structure facilitates easy disassembly and assembly of components, allows for quick location and repair in case of failure, has fewer mechanical transmission parts, reduces maintenance workload, effectively shortens downtime, and improves equipment utilization.

The utility model relates to refrigeration equipment technical field, concretely relates to a convenient to remove intelligent ice cabinet, and cabinet body subassembly includes ice cabinet shell, top cap and handle, and the inside both sides of ice cabinet shell evenly are equipped with limiting hole, provide installation and fixed position for baffle adjusting mechanism, and the top of ice cabinet shell is equipped with hinged seat, and top cap is hinged with ice cabinet shell through hinged seat, and it is convenient to open and close ice cabinet, handle is fixed with bolt and set up in one end of ice cabinet shell, and it is convenient to carry ice cabinet, and the utility model discloses through baffle adjusting mechanism can be according to the demand of actual storage article, and the position of baffle is adjusted flexibly, and the utilization of ice cabinet internal space is effectively improved, and can adapt to different size, shape and quantity of article storage.

The utility model provides a kind of portable automatic dosing device belongs to sludge treatment technical field, including chassis, the handle of symmetrical distribution is fixedly connected with the chassis outer wall, further include: clamping assembly, the clamping assembly includes the sliding slot of symmetrical opening in the chassis outer wall, the sliding block of sliding connection has in the sliding slot inner wall, the mounting plate of the sliding block top wall fixedly connected with, the arc plate of the mounting plate outer wall fixedly connected with, the arc plate outer wall fixedly connected with evenly distributed anti -skid extruding block.In the utility model, the handle and universal wheel of setting are convenient for operator to push and pull device, it is convenient to carry to different sludge test site, the cooperation of the clamping assembly of setting, two-way screw rod and arc plate can be quickly and firmly fixed to different diameter sewage storage barrel, improve the versatility and application range of device, reduce the trouble of needing to replace equipment due to different sewage storage barrel specifications.

This invention relates to the field of heat source recovery technology, specifically disclosing a system and its method for heating natural gas using deaerator exhaust steam as a heat source. The system provided by this invention uses waste heat boiler deaerator exhaust steam as the core heat source and electric heating as the start-up heat source. It adopts a fully explosion-proof design, making it suitable for flammable and explosive environments such as pressure regulating stations. This effectively solves the problems of waste heat from deaerators, high energy consumption for dew point heating in pressure regulating stations, lack of start-up heat source, and missing energy linkage, ensuring the safe, stable, environmentally friendly, and efficient operation of pressure regulating stations and filling a technological gap in the industry.

The utility model discloses a sewage treatment suspended solid separation equipment, include: separation storehouse, the separation storehouse top opening is used for sewage to enter, the lower extreme of separation storehouse is provided with the export of sewage discharge, separation structure is set up in the inside of separation storehouse, and separation structure includes the filter cover of conical design, and the filter cover is fixed in the inside of separation storehouse, and the outer wall of separation storehouse is provided with the collection storehouse, and the inner wall of separation storehouse is provided with the separation mouth that is communicated with the upper portion of the inside chamber of collection storehouse, and when the filter cover is fixed in separation storehouse, and the separation mouth is located at the lower extreme periphery of filter cover and is flush with the lower extreme of filter cover, and when the sewage enters separation storehouse, and the suspended solid is filtered by filter cover and is guided to the separation mouth and enters collection storehouse and is collected. The conical filter cover design utilizes sewage flow inertia, avoids the massive accumulation of suspended solid on the surface of filter cover, effectively reduces the frequency of filter cover blockage, reduces the number of cleaning filter cover, thereby reduces the operation cost and maintenance workload.

The application provides a two-dimensional electro-hydraulic servo valve with a simplified hydraulic half-bridge structure, comprising a spool valve assembly connected with an electro-mechanical converter through a transmission mechanism, the spool valve assembly comprises a valve body, a valve core and a valve sleeve, the valve sleeve is sequentially provided with a T port, an A port, a P port, a B port and a T port from left to right, characterized in that the valve core is provided with four shoulders from left to right, the second shoulder and the third shoulder are respectively located at the A port and the B port, the middle part of the valve core is provided with a high-pressure flow channel communicated with the P port, the first shoulder is provided with a low-pressure flow channel communicated with the T port in the axial direction of the valve core, the first shoulder is provided with a high-pressure through groove and a low-pressure through groove perpendicular to the axial direction of the valve core, the high-pressure through groove and the low-pressure through groove are staggered, the high-pressure through groove is located at the right side of the low-pressure through groove, the high-pressure through groove is communicated with the high-pressure flow channel, and the low-pressure through groove is communicated with the low-pressure flow channel. The application significantly reduces the use cost and maintenance workload, is suitable for civil fields, and promotes the development of industrialization.

The application discloses a kind of roll bed line transfer lifting devices, comprising: support frame, including vertically erected multiple posts and the cross bar of connecting adjacent post, post bottom end is fixed to bearing surface by fixed bottom plate;Lifting platform, it is set in the support frame of lifting, including two parallel spaced first connecting rods and the second connecting rod of connecting two first connecting rod end;Transmission mechanism, including fixed in the support frame of gear condition and be connected in lifting platform of gear piece, the gear piece is engaged with the gear condition;Driving motor, fixed on the driving support of lifting platform, through universal coupling driving gear piece rotation, drive lifting platform relative to the support frame lifting.By the cooperation design of driving motor and gear rack engagement transmission mechanism, so that lifting device structure is simple, response speed is fast, effectively improve the control precision of lifting platform, reduce the maintenance cost of lifting device.

This invention discloses a steam curing device for cement-based materials, comprising a mounting frame and a cover. The cover is rotatably connected to the mounting frame, and a locking block is rotatably connected to the cover for fixing it in place. This invention achieves automatic adjustment of the curing temperature through an electrical connection between a temperature detector and the closing assembly, eliminating the need for frequent manual intervention, reducing labor costs, and preventing temperature fluctuations from adversely affecting the curing effect. It provides a stable high-temperature and high-humidity curing environment for cement-based materials, promoting material strength improvement and performance optimization, and ensuring that curing quality meets standards.