43results about How to "Improve working conditions" patented technology

The utility model relates to the technical field of dry grinding and dry separation of iron ore and similar processes, and particularly discloses a dry grinding and dry separation system which comprises an incoming material conveying system, a roller mill, a dynamic powder concentrator, a dry classification cabin and a fine powder collecting and conveying system. A discharging hole of the supplied material conveying system is communicated with a feeding hole of the roller mill; a discharging hole of the roller mill is communicated with a feeding hole of the dynamic powder concentrator; a coarse particle material outlet of the dynamic powder concentrator is communicated with a material inlet of the dry type grading cabin; an oversize coarse particle discharging opening of the dry type grading cabin is communicated with a feeding opening of the roller mill; and a fine powder discharge hole of the dynamic powder concentrator is communicated with the fine powder collecting and conveying system. Finished product materials with various particle sizes can be provided, and the requirements of customers for different finished product particle sizes are met; fine powder screened by the dynamic powder concentrator is collected by a dust collector and then is directly conveyed to a tailing discarding procedure, so that the handling capacity of the dry classification cabin is reduced; the use condition of the dry-type grading cabin is optimized, and the system flow is simplified.

The utility model provides a kind of for coke coal pre-arrangement gangue intelligent dry method sorting equipment, it belongs to coal sorting technical field, wherein upper layer X-ray generator, upper layer beating device, lower layer X-ray generator and lower layer beating device are all installed on equipment rack, unified dust collector and control terminal are equipped;Upper layer X-ray receiver and lower layer X-ray receiver are respectively arranged in the inner cavity of upper layer sorting conveying device and lower layer sorting conveying device;Upper layer sorting conveying device and lower layer sorting conveying device all include transmission belt, transmission roller and driving motor, transmission roller is fixedly connected in the inner cavity of equipment rack by bearing.Compared with traditional single-layer photoelectric sorting equipment, the utility model uses upper and lower double-layer sorting structure, a single device can process two layers of coal simultaneously, greatly improves the processing capacity of coal, when facing a large number of coal sorting tasks, multiple devices do not need to be used simultaneously, saves sorting time, improves overall production efficiency.

The application discloses an integrated steel casing sinking device and a use method thereof, and the device comprises a spiral drill rod, a motion isolation unit, an elastic centering unit and the like. The outer wall of the spiral drill rod is provided with paddle-shaped blades capable of continuously rotating and ascending. The motion isolation unit comprises a positioning assembly, a positioning base body, a clamping groove arranged on the wall of the steel casing, and a clamping unit. The elastic centering unit comprises an abutting wheel, a rotating connecting block, a sliding telescopic rod, a centering spring sleeved on the outer wall of the sliding telescopic rod, a tail limiting groove and a drilling condition sensing unit. The spiral drill rod is used as a pile driving bit, so that the technical effect of excavating soil layers is achieved, and the paddle-shaped blades capable of spirally ascending are simultaneously used to automatically transport the excavated soil upwards. In addition, the motion state of the bit is isolated by using the motion isolation device, so that the motion isolation between the steel casing and the spiral drill rod rotating in the middle is achieved as a whole, and the rotation of the steel casing caused by the motion of the spiral drill rod is effectively blocked.

The invention provides a zinc pot stabilizing roller adjusting device and method capable of achieving accurate positioning. According to the invention, through a multi-state cooperative control model, a dual accurate positioning system of induction distance measurement and scale visual feedback, and execution mechanisms which are independently or synchronously adjusted on two sides, rapid, accurate and quantifiable adjustment among a working position, a critical position and an exit position of the front stabilizing roller is realized. The device comprises a sink roll, a rear stabilizing roll, a front stabilizing roll, a front stabilizing roll supporting arm, a front stabilizing roll beam and two sets of symmetrically-arranged adjusting devices, and the adjusting devices drive lead screw shafts through gear motors, convert rotary motion into linear motion of supporting seats and drive the front stabilizing roll beam and the front stabilizing roll to move accurately. According to the invention, electric automatic adjustment is realized, the adjustment precision, response speed and stability are improved, the running stability of strip steel and the uniformity of a zinc coating are ensured, and meanwhile, the safety of a working environment is improved.

The invention belongs to the field of steel smelting, and particularly discloses a scalable umbrella rib type supported fuel gas injection device and a control method thereof. The device comprises a gas pipe, a blowing pipe, a blowing cover and a push-pull device. The blowing cover comprises a plurality of parallel supporting frames, telescopic rods connected with the adjacent supporting frames and foldable cover bodies connected with the adjacent supporting frames, and end plates are arranged at the two ends of the blowing cover. The injection pipe fixedly penetrates through the top of the cover body and is communicated with the gas pipe, and gas enters the material layer through the injection pipe. The injection cover sliding rails are arranged on the two sides of the sintering trolley correspondingly, the push-pull device drives the two ends of the injection cover to slide along the injection cover sliding rails correspondingly, space can be vacated for maintenance, and the fuel gas injection starting point position and the fuel gas injection covering length can be adjusted. According to the method, by controlling the fuel gas injection starting point position, the fuel gas injection coverage length and the fuel gas injection amount, the optimal production working condition can be guaranteed, and the production quality is improved.

This invention discloses a chemical equipment exhaust gas filtration device, belonging to the field of chemical equipment technology. The chemical equipment exhaust gas filtration device includes a purification cylinder, with a connecting member installed on the upper surface of the purification cylinder, and a filter assembly installed inside the connecting member. The filter assembly includes a purification mechanism for purifying impurities and a cleaning mechanism for removing sticky impurities, with the cleaning mechanism installed inside the purification mechanism. The purification mechanism includes a partition fixedly connected inside the purification cylinder. This invention, by setting a dedicated cleaning mechanism, can efficiently and thoroughly clean oily impurities and viscous dirt adhering to the inside of the purification mechanism, effectively avoiding problems such as blockage and increased resistance caused by impurity accumulation. The purification device, after timely cleaning, can maintain good operating conditions and achieve long-term stable continuous operation, thereby ensuring that the overall treatment efficiency is not affected and significantly improving the service life and reliability of the device.

The present application relates to the field of drilling engineering, and particularly relates to a kind of automatic spraying device and operating method of drill pipe thread grease, including self-locking screw lifting platform, rotating platform assembly, support assembly, telescopic rod assembly, spraying head and thread grease conveying pipe;Spraying head includes outer thread spraying assembly, push-pull cylinder A, piston rod A, push-pull cylinder B, piston rod B, inner thread spraying assembly and shell;The self-locking screw lifting platform realizes the lifting of spraying head;The rotating platform assembly realizes the rotation of spraying head;The telescopic rod assembly realizes the centring of spraying head;The spraying head is sprayed with thread grease to drill pipe joint.The beneficial effects of the present application are: automatic spraying thread grease is realized, intelligent drill pipe conductor ring is prevented from being contaminated, operation efficiency is improved and different specifications of drill pipe joint can be adapted.

The application relates to a vehicle power consumption control method, a storage medium, a controller and a vehicle. The vehicle power consumption control method comprises the following steps: acquiring the running condition of a vehicle cabin system when the vehicle is in a power-on working condition; and controlling the vehicle cabin system to switch the working state according to the running condition, wherein the step of controlling the vehicle cabin system to switch the working state comprises the step of controlling the vehicle cabin system to switch to a first preset low-power consumption state. The vehicle is controlled according to the running condition of the vehicle cabin system to ensure that the vehicle cabin system can be kept in the most suitable working state, which comprises the step of controlling the vehicle cabin system to switch to the first preset low-power consumption state, so that the vehicle cabin system can enter a lower power consumption running state at a suitable time, and the power consumption can be reduced without powering off the vehicle to make the vehicle cabin system shut down or enter a hibernation state. Therefore, the energy consumption can be saved in the vehicle power-on state, and the user experience is improved.

This invention relates to the field of radial thrust bearing technology, specifically a radial thrust bearing comprising an inner ring, an outer ring, a cage, and balls, and a circulation mechanism. The inner ring is fitted inside the outer ring, and the balls are rolled and embedded between the inner and outer rings. The cage is installed between the inner and outer rings, with the balls located on the cage. The circulation mechanism is installed on both sides of the outer ring. This invention solves the problem that existing bearings still generate high internal temperatures at high speeds. High temperatures reduce the viscosity of the lubricating oil, leading to a thinner oil film, increased friction, and ultimately, accelerated bearing temperature rise. Excessive bearing operating temperature can cause the bearing to seize due to thermal stress. This invention achieves uniform heat transfer from the lubricating oil at high speeds, preventing the bearing from seizing due to excessive operating temperature.

This utility model provides an automatic cleaning and packaging device for blister trays, including a main frame, a feeding section, a cleaning section, a packing section, an auxiliary section, and a control section. The main frame includes a base, a transport seat, a cleaning seat, a protective plate, a packaging seat, a dustproof carrier plate, and a compressor. The feeding section includes a feeding mechanism and a clamping mechanism. The cleaning section includes a transport fixing mechanism, an adjustment mechanism, and a cleaning mechanism. The packing section includes a servo motor, an electric telescopic rod, and a vacuum suction cup. The auxiliary section includes a transport calibration mechanism and a lid-mounting mechanism. This utility model features full-process automation, reducing manual intervention. Operators do not need to manually intervene in the tray position, significantly reducing labor intensity. Standardized cleaning processes ensure quality, significantly improving the cleaning pass rate and completely avoiding the risk of secondary pollution caused by manual wiping. Closed-loop environmental control optimizes working conditions, significantly reducing dust concentration in the work area and minimizing the harm of dust to the respiratory system.

The invention provides a carbonized resin decolorizing and refining method for mixed dibasic acid dimethyl ester, and belongs to the technical field of chemical separation and purification. According to the technical scheme, spherical carbonized resin formed by carbonizing styrene-divinyl benzene polymer resin is used as an adsorbent, and a colored crude product DBE is subjected to decoloration treatment through a fixed bed process. The carbonized resin has extremely high selective adsorption capacity and adsorption rate on colored impurities in DBE, the Pt-Co color number of the carbonized resin can be reduced from 50 or above to 10 or below, the decolorization rate exceeds 80%, and meanwhile the yield of the DBE product reaches 99% or above. And the resin saturated by adsorption is easy to regenerate and can be repeatedly used. The method is simple in process, efficient and environment-friendly, overcomes many defects of a traditional activated carbon decoloration method, and is particularly suitable for industrial refining production of DBE.

The application provides a water plant channel system, which comprises a support module and a channel module; the support module comprises: a plurality of parallel and spaced main beams; a plurality of columns, the columns and the main beams one-to-one constitute a single-frame; a secondary beam, which is horizontally and longitudinally arranged at an outwardly extending end of the main beam; a cantilever; and the channel module is a light thin-wall channel, which is detachably installed on the main beam, the secondary beam and the cantilever and located in the single-frame. The support module retains the main structure of bearing and anti-seismic, removes the wallboard, reduces the dead weight, and can achieve a better anti-seismic target; the light thin-wall channel is detachably installed on the support module, the force transmission path is clear, the deformation and displacement of the channel at the end are enlarged, the pressure relief plate device is excited to drain water, and the'solid-liquid' coupling reaction of the channel during the earthquake is weakened. The formed channel system has good structure and anti-seismic performance, is beneficial to achieving the anti-seismic target, is convenient to install and remove, has low cost, has good equipment and instrument compatibility, and has small construction space limitation.

The application discloses a municipal engineering construction integrated temporary office box house structure, which comprises a mounting frame, four groups of positioning plates are fixedly connected to one side of the mounting frame, wall plates are sleeved in the two groups of positioning plates on the same side, and the wall plates are fixedly connected with the positioning plates on the outer side; a window mounting groove is formed in the middle of one group of wall plates, a window frame is sleeved in the window mounting groove; a first supporting frame is fixedly connected between the two groups of positioning plates in the middle, a rotating groove is formed in the middle of the first supporting frame, a second supporting frame is rotatably connected in the rotating groove, and sticking plates are fixedly connected to the upper and lower sides of the second supporting frame, and the sticking plates are fixedly connected with the positioning plates on the two sides and in the middle; the welding and cutting operations are not complicated; most of the installation work can be completed by one person, the construction period of the box house is greatly shortened, the construction efficiency is improved, the box house can be repeatedly used after being disassembled, and the use cost is reduced.

The utility model relates to a lubricating oil tank oil supply device, an aero-engine and an aircraft, belongs to the technical field of aerospace, and solves the problem that in the prior art, a lubricating oil tank cannot continuously supply oil and ventilate under various postures of the aircraft. The device comprises an oil supply pipe, an oil suction pipe assembly and a breather pipe, the oil supply pipe is arranged in the lubricating oil tank and can rotate around the axis of the lubricating oil tank. The oil suction pipe assembly comprises an oil suction pipe which is vertically arranged on one side of the oil supply pipe. The central axis of the oil suction pipe and the central axis of the oil supply pipe are coplanar. A balance weight ball is arranged at a pipe opening of the oil suction pipe and used for enabling the oil suction pipe to be located below the oil supply pipe. According to the utility model, oil supply and ventilation of the aircraft can be completely and continuously completed in different postures such as diving, climbing and inverted flying.

An automobile center console transferring and mounting manipulator comprises a moving trolley, a lifting arm connected to the moving trolley, a supporting connecting rod connected with the lifting arm, a grabbing mechanism mounted on the supporting connecting rod and a controller. A first rotary brake device and a second rotary brake device for controlling rotation are arranged between the moving trolley and the lifting arms and between the lifting arms through supporting connecting rods; the grabbing mechanism comprises a base, two fixing base plates, a left supporting rod, a right supporting rod, suction cups on the left supporting rod and the right supporting rod, and two clamping air cylinders driving the left supporting rod and the right supporting rod to turn over. The two front dragging claws are respectively arranged at the front ends of the left supporting rod and the right supporting rod; and the rear dragging claws are arranged on the inner side surfaces of the bending parts of the two supporting plates of the base. According to the utility model, the technical pattern of manual carrying and assembling of the traditional automobile center console is solved, and the integration of grabbing, carrying, transferring and mounting of the automobile center console is realized.

The embodiment of the invention provides a high-temperature heat storage-supercritical steam generation system. The high-temperature heat storage-supercritical steam generation system comprises a heat storage body, a supercritical steam generation unit connected with the heat storage body and an intelligent control unit connected with the supercritical steam generation unit. The heat storage body comprises a solid waste-based graded porous carrier and fused salt filled in gaps of the solid waste-based graded porous carrier; the supercritical water vapor generating unit comprises a water vapor generator with a built-in spiral metal pipe and a multi-stage heat exchange runner; the intelligent control unit comprises a digital controller, an axial-flow compressor and a heat exchange pump, the digital controller is connected with the axial-flow compressor, the heat exchange pump and the heat storage body, and the digital controller is configured to dynamically adjust the running states of the axial-flow compressor, the heat exchange pump and the heat storage body.

The utility model relates to the technical field of fabric, in particular to a western-style clothes fabric pressing, cutting and leveling mechanism which comprises a leveling platform, the leveling platform is installed on the top end face of a workbench, a second electric air cylinder is fixedly installed at the bottom end of the workbench, and the output end of the second electric air cylinder penetrates through the workbench to be fixedly connected with the bottom end of the leveling platform. The bottom end of the leveling platform is fixedly connected with one ends of second guide rods, the multiple second guide rods are arranged, and the other ends of the multiple second guide rods penetrate through the workbench to be fixedly connected with a limiting plate. After the whole platform ascends to tighten the fabric, a stable processing plane is formed, the situation that the processing precision is affected by wrinkles and looseness of the fabric is avoided, the tightened fabric can be ironed more smoothly and cut more neatly, the defective rate is effectively reduced, meanwhile, good working conditions are provided for operators, and the workload of repeated operation is reduced.

The application discloses a conveyor head material cleaning device and a material cleaning method thereof, and belongs to the technical field of belt conveyors. The conveyor head material cleaning device comprises a middle frame fixedly connected to the head of the conveyor, a material pushing assembly and a supporting frame fixedly connected to the bottom of the middle frame, and a material receiving disc is fixed on a material falling base surface below the supporting frame. The material pushing assembly comprises a vertical material pushing plate, the bottom end of the material pushing plate is slidingly connected to the disc surface of the material receiving disc, the back surface of the material pushing plate is fixedly connected to the telescopic end of a main material pushing mechanism, and the fixed end of the main material pushing mechanism is fixed to a support on the bottom of the supporting frame. The material falling to the disc surface of the material receiving disc can be pushed by the material pushing plate when the material reaches a certain weight, the scraper material cleaning device and the conveyor do not need to continuously run simultaneously, and the technical effect of intermittently pushing the material is achieved. The problems of high failure rate and high continuous running energy consumption of the scraper material cleaning device when the material falling from the head sweeper of the existing belt conveyor is cleaned are solved.

The utility model discloses a coal bunker dredging electric control device, which relates to the technical field of coal bunker dredging, and comprises an air inlet ball valve, an air inlet connecting piece, an air storage tank, a base and a motor, the air storage tank and the motor are respectively and fixedly arranged on the base, a sounder is communicated between the motor and the air storage tank, the sounder is communicated with a taper pipe, and the taper pipe is communicated with the air inlet ball valve. A Helmholtz resonant cavity is formed in the end, away from the sounder, of the taper pipe and communicates with the coal bunker. The sound generator is driven by the motor to generate sound waves with specific frequency, the sound waves act on blockages in the coal bunker through the taper pipe and the Helmholtz resonant cavity, the blockages are loosened and fall off by utilizing the vibration energy of the sound waves, and compared with a mechanical dredging means, the large-area arching problem can be solved, and the dredging effect is more remarkable.

The utility model discloses a kind of transdermal oxygen partial pressure sensor fixing ring, including bush, oxygen-permeable membrane, gasket, metal protective sheet, fixed ring upper body and fixed ring lower body, the fixed ring upper body inner end face is designed with the thread for assembling with transdermal oxygen partial pressure sensor, bush, oxygen-permeable membrane, gasket, metal protective sheet are assembled in fixed body interior, gasket end face is equipped with the annular circular groove matched with the boss on bush.This utility model patent solves the problem that fixed ring is frequently replaced in original technical scheme, oxygen-permeable membrane is easily damaged, not easy to operate in assembly process.After the design improvement of utility model, the use replacement of transdermal oxygen partial pressure sensor fixing ring is more convenient, assembly process is simpler and more easy to operate, the oxygen-permeable membrane inside transdermal oxygen partial pressure sensor fixing ring is designed with protection function, ensure the safety when equipment works, improve the convenience, safety, stability of transdermal oxygen partial pressure sensor fixing ring, also improve various effects when fixed ring assembly is used.

The embodiment of the present application provides a hydrogen flame chromatograph valve island type gas path constant temperature control device and a control method, and belongs to the technical field of hydrogen flame chromatographs. The hydrogen flame chromatograph valve island type gas path constant temperature control device is characterized in that the device comprises: a plurality of gas path units arranged on a device main body; each gas path unit comprises a plurality of gas path outlets / inlets arranged on the surface of the device main body; an electromagnetic unit is used for adjusting the gas path direction of gas in each gas path pipeline; a constant temperature unit is arranged in the device main body and is used for adjusting the temperature of required gas for FID analysis in each gas path pipeline; the electromagnetic unit and the constant temperature unit are both connected to a control unit, and the control unit is used for executing the control of the electromagnetic unit and the constant temperature unit based on the current required parameters of FID analysis. The present application solves the problem that the existing hydrogen flame chromatograph cannot guarantee that the gas supply state meets the best working state of the chromatograph during the test process, thereby improving the detection result accuracy.

The present application belongs to the technical field of polishing equipment, and relates to a mold polishing and grinding equipment. The present application comprises a workbench, a first mounting frame is arranged above the workbench, a mounting rod is horizontally slidably arranged on the first mounting frame, a second mounting frame is rotatably arranged on the mounting rod, polishing assemblies are arranged at the upper and lower ends of the second mounting frame, each polishing assembly comprises a rotating column rotatably arranged on the second mounting frame and a polishing disc arranged at the end of the rotating column, a driving assembly is arranged on the mounting rod to drive the second mounting frame to rotate, so that the positions of the two polishing assemblies are exchanged. By exchanging the positions of the two polishing discs, the two polishing discs are alternately polished, the wear of the polishing discs is reduced, the stability of the polishing quality is ensured, and the product quality is improved. The two polishing discs are alternately washed, the polishing discs are cleaned and cooled, and the service life of the polishing discs is prolonged.

The utility model discloses a construction support device close to an existing canal system building, which comprises a support structure and a dewatering structure, the support structure is provided with a support monitoring instrument, and the dewatering structure is respectively provided with a water level monitoring instrument and a water pumping device. And the support monitoring instrument and the water level monitoring instrument are connected with intelligent regulation and control early warning equipment. The utility model has the beneficial effects that the support structure and the precipitation structure are respectively provided with the support monitoring instrument and the water level monitoring instrument, and the support monitoring instrument and the water level monitoring instrument are connected with the intelligent regulation and control early warning equipment; then displacement, stress and deformation of the supporting structure can be detected and fed back to the intelligent regulation and early warning equipment by means of the supporting monitoring instrument, and water level changes of the rainfall structure can be detected and fed back to the intelligent regulation and early warning equipment by means of the water level monitoring instrument, so that early warning information can be conveniently sent to constructors and managers in time; the construction safety is ensured.

The invention discloses a lithium battery charging and discharging current control method. The method comprises the following steps: acquiring a multi-layer pulse current table; calculating weighted average current capable of reflecting the polarization state of the battery in real time; comparing the weighted average current with a continuous current threshold value, deciding smooth switching among different ampere meters through a dynamic current buffer threshold value, and outputting a first current limit value; calculating a second current limit value based on the deviation between the monomer voltage and the safety threshold; and finally taking a small value of the two values, and reporting the result as a charge-discharge current limit value. According to the method, complex integral operation is avoided, polarization and depolarization characteristics of the battery are fitted, smooth and safe control of charging and discharging current is realized, and the calculation burden is remarkably reduced.

The application relates to the technical field of steel structure installation and construction of thermal power plants, in particular to a steel coal hopper installation method, which comprises the following steps: coal hopper segmentation prefabrication: the coal hopper is divided into an upper hopper body section, a lower hopper body section and a cone section; lower hopper body section hoisting: hoisting the lower hopper body section to a coal hopper beam; cone penetration: hoisting the cone section so that the cone section penetrates through the lower hopper body section; upper hopper body section hoisting: hoisting the upper hopper body section to the lower hopper body section and welding the upper hopper body section and the lower hopper body section; finishing: welding the upper end of the cone section and the lower end of the lower hopper body section. The application adopts an inverse sequence penetration mode of "first middle, then lower and finally upper" to complete the segmented hoisting of the square-to-round transition steel coal hopper, and solves the problems that the traditional hoisting sequence cannot independently support the cone and it is difficult to perform high-altitude butt welding.

The present application relates to a kind of gas generator test system and method for gas self-pressurized liquid rocket engine, solve the technical problem that gas generator can hardly produce matching liquid attitude control rocket engine gas flow under different working conditions.The system includes propellant supply system, propellant weighing and metering system, gas generator, gas cooling system and gas discharge valve group, gas discharge valve group includes multiple sets of gas discharge solenoid valve, and the outlet of at least one set of gas discharge solenoid valve is provided with exhaust orifice plate.The method includes:1, gas generator builds pressure;2, gas generator and gas self-pressurized liquid rocket engine are matched with working condition, obtain the matching relationship of gas generator gas flow and pressurized propellant flow and the matching relationship of gas flow and gas self-pressurized liquid rocket engine;3, test system is depressurized, and test is ended.

This invention relates to the field of fuel cell technology and discloses a fuel cell heat dissipation system and control method for active balancing heat dissipation in unmanned aerial vehicles (UAVs). The fuel cell heat dissipation system includes a UAV heat dissipation assembly and an active balancing control subsystem. The UAV heat dissipation assembly includes a liquid cooling circuit and rotors disposed at the tips of multiple heat dissipation arms. The liquid cooling circuit includes coolant channels disposed inside the multiple heat dissipation arms. The coolant channels include in-arm liquid inflow pipes and in-arm liquid return pipes. Multiple in-arm liquid inflow pipes are arranged close to the inner side of the heat dissipation arms, and the multiple inflow pipes converge at the tips of the heat dissipation arms and connect to the in-arm liquid return pipes. The inflow pipes have an S-shaped variable diameter pipe structure, and their arrangement density gradually decreases from the root to the tip of the heat dissipation arm. The active balancing control subsystem includes a sensor group, an actuator group, and a controller. This invention can improve the reliability and flight safety of the UAV thermal management system.

The utility model discloses an ultrasonic transducer assembling and disassembling tool which comprises a first device, a second device, a third device, a fourth device and a fifth device, and the first device, the second device, the third device, the fourth device and the fifth device are matched with one another to assemble and disassemble an ultrasonic transducer. The first device is arranged at the top of the ultrasonic transducer, the middle section of the ultrasonic transducer is arranged on the second device, the third device clamps the tail of the ultrasonic transducer, the fourth device clamps the middle section of the ultrasonic transducer, and the fifth device clamps the front section of the ultrasonic transducer; standardized operation procedures and special tools are provided, so that the assembling and disassembling processes are more convenient and quicker, and the working efficiency is improved; the transducer can be ensured to be accurately positioned and fixed in the assembly process, and the problems of assembly deviation or infirm fixation and the like caused by human factors are avoided. In the dismounting process, the tool can also provide proper force and operation mode, so that the integrity and the reusability of the transducer are ensured.

The utility model discloses high-purity quartz sand oxygen-free chlorination roasting equipment which comprises a roasting section provided with a heat preservation furnace body and a heater, the heat preservation furnace body is arranged on the periphery of the heater in a sleeved mode, the two ends of the heater are respectively provided with a ventilation connector which reacts with sand inside the heater, and the heater maintains an internal oxygen-free environment through the ventilation connectors. Relates to the technical field of quartz sand oxygen-free chlorination roasting. Compared with traditional high-temperature chloridizing roasting equipment, the high-temperature chloridizing roasting equipment has the advantages of being high in heating speed, high in heating efficiency, capable of saving electricity and energy, even in heating, capable of achieving selective heating, good in environmental protection, capable of improving labor conditions, small in occupied area, capable of saving investment, low in maintenance cost and the like, and meanwhile the yield, quality and grade of products can be improved. Meanwhile, new impurities can be prevented from being introduced in the reaction process, and oxidation reaction is avoided.

The invention discloses hydraulic butt joint equipment for flange assembly. Comprising a frame with threaded foot supports and universal wheels, a square-opening vertical beam vertically and fixedly mounted at the top end of the frame, a hollow frame slidably mounted on the outer wall of one side of the square-opening vertical beam in the vertical direction, a key shaft type advancing assembly mounted in the hollow frame and a chuck mounted at the driving end of the key shaft type advancing assembly. The key shaft type advancing assembly enables the chuck to rotate, and a hydraulic lifting assembly used for controlling the height of the hollow frame is installed on the outer wall of one side of the square opening vertical beam. The chuck and the heavy flange plate are made to rotate through the key shaft type advancing assembly till hole positions are aligned, the heavy flange plate and the fixed end flange are made to make contact through the hydraulic butt joint assembly, and therefore rigid fixing is achieved through the chuck, independent leveling is conducted on the gear connecting rod type alignment plate assembly, rotary hole alignment is conducted through the key shaft type advancing assembly, and finally propelling is conducted through the hydraulic butt joint assembly. And high-precision and high-efficiency flange butt joint operation is completed.