66 results about "Complex control system" patented technology

The invention relates to the technical field of seabed base adjusting platforms, and discloses a seabed base self-adaptive leveling device and method based on shape memory alloy, and the device comprises a seabed base observation platform which is used for bearing instruments and equipment; the leveling supporting legs are uniformly distributed below the seabed-based observation platform and are used for realizing shock isolation and shock absorption and full-automatic and high-reliability leveling after the seabed-based observation platform touches the bottom by utilizing the shape memory effect and the superelasticity of SMA (Shape Memory Alloy); and the universal joint connecting mechanism is used for connecting the leveling support leg with the foot pad so as to adapt to and support slopes with different angles. The shape memory effect and the hyperelasticity of SMA are utilized, under the condition that an external power source and a complex control system are not needed, full-automatic and high-reliability leveling after the platform touches the bottom is achieved, and the technical problems that according to an existing leveling scheme, limitation of different degrees exists in the aspects of structure complexity, environment adaptability, long-term reliability and leveling precision are solved.

The robot simulation skin structure comprises a temperature control unit and an evaporation heat dissipation unit, the temperature control unit comprises a flexible base layer and a silver electrode layer, the silver electrode layer covers the flexible base layer, the flexible base layer is made of a flexible PTC material, the evaporation heat dissipation unit comprises a liquid storage layer and an opening and closing door, and the opening and closing door is made of a flexible PTC material. The opening and closing door covers the liquid storage layer, the opening and closing door is a shape memory alloy opening and closing door or a shape memory polymer opening and closing door, and heat dissipation liquid is arranged in the liquid storage layer. Therefore, according to the simulated skin structure, the temperature sensing function, the self-adaptive heating function and the evaporative heat dissipation function are integrated into a single flexible structure, the autonomous response of local heat management can be achieved without an external complex control system, and therefore an extra sensor, an extra controller and an extra complex circuit are omitted; independent work and quick response of each local area are realized, and the system structure is greatly simplified.

The invention discloses a carbon-coated high-entropy oxide composite material and a preparation method and application thereof.The preparation method comprises the steps that 1, soluble salt of Al, soluble salt of Mn, soluble salt of Co, soluble salt of Ni and soluble salt of Zn are mixed and dissolved in water, and a metal salt mixed solution is prepared; 2) adding glycine into the metal salt mixed solution, and carrying out a water bath reaction; (3) drying the reaction liquid to obtain a gel-like product, continuously putting the gel-like product into the muffle furnace for combustion reaction, and cooling to obtain high-entropy oxide powder; 4) mixing glucose with the high-entropy oxide powder, grinding, and adding a grinding aid during grinding to obtain composite powder; 5, the composite powder is subjected to vacuum drying, sintered in a tubular furnace under the inert atmosphere and naturally cooled to the room temperature. Glucose is adopted as a single carbon source to replace an existing multi-carbon-source complex regulation and control system, the raw material purchasing cost is remarkably reduced, the process control difficulty of multi-carbon-source matching optimization is reduced, and the production stability is improved.

The system comprises an equipment boat body, the equipment boat body is provided with a vertically-through water inlet and outlet pipe, a water inlet of the water inlet and outlet pipe is provided with a switch mechanism, the switch mechanism is connected to a mother ship through a mooring rope, and the switch mechanism is used for blocking or opening the water inlet pipe. A pure mechanical structure is adopted, the operation is simpler and more reliable, the operation is simple and convenient, a complex control system is not needed, the equipment cost is low, and the operation efficiency and safety are improved; the system can eliminate negative pressure generated when ocean equipment and seabed soft soil are separated through natural flowing-in and flowing-out of seawater to accelerate escape, dependence on high-energy equipment is reduced, the water inlet and outlet pipes are combined with jumping pulling force to increase the seawater flowing efficiency, then the negative pressure elimination rate is increased, and the system is not affected by the ocean depth and the seabed environment; the structure is simple, the application range is wider, the damage risk of marine equipment can be reduced, energy is saved, efficiency is high, and the manufacturing and using cost of the marine equipment is reduced.

The invention relates to the technical field of constructional engineering, in particular to a self-adaptive viscous damping vibration isolation device for the bottom of a music hall base, comprising a floating bearing layer, a damping adjusting layer and a base connecting layer which are sequentially arranged from top to bottom from the bottom of a building; through the synergistic effect of the floating bearing layer, the damping adjusting layer and the base connecting layer, self-adaptive vibration isolation of music hall base vibration is achieved, and preliminary buffering is provided for vibration through sliding fit of the floating bearing layer; in the damping adjusting layer, a damping cylinder can automatically adjust damping according to the magnitude of vibration through cooperation of inertia of a plugging piece and an elastic piece without additional control, low damping is kept during small vibration to avoid excessive constraint, damping is increased during large vibration to efficiently isolate vibration, the adaptability and accuracy of vibration isolation are ensured, electric drive or a complex control system is not needed, and the cost is reduced. The structure is reliable, maintenance is easy and convenient, continuous and stable work can be achieved under different vibration working conditions, and reliable vibration isolation guarantee is provided for creating a stable acoustic environment for a music hall.

The application discloses a gypsum board foaming compound control system, which comprises a foaming agent feeder, a visual cutting machine, a visual detector, an ultrasonic detector and a controller arranged in a gypsum board production line. The visual cutting machine is used for cutting a wet board. The visual detector measures the size of the cell of the cross section of the wet board through an observation window arranged on the execution part of the visual cutting machine. The ultrasonic detector emits ultrasonic waves to the slurry and derives the size and growth speed of the bubbles in the slurry through the reflected wave signals. During the production process, the controller adjusts the process of deriving the cell size by the ultrasonic detector according to the size of the cell measured by the visual detector, and adjusts the feeding ratio of the foaming agent feeder according to the size of the cell derived by the ultrasonic detector. The foaming agent used by the slurry is produced in real time by the foaming agent feeder according to the set feeding ratio, so that the feeding ratio of the foaming agent can be timely and accurately changed according to the size of the cell in the gypsum board.

This application discloses a method, device, and medium for controlling fluctuations in the liquid level of a slab continuous casting machine's crystallizer, relating to the field of process flow. The method involves real-time analysis of the liquid level signal acquired by the liquid level control system using Fourier transform. The frequency of periodic fluctuations in the crystallizer liquid level is compared, and the relationship between the corresponding amplitude and a preset amplitude is obtained through a spectrum diagram. This allows for timely adjustment of the liquid core space to suppress fluctuations. In the early stages of periodic fluctuations in the crystallizer liquid level, specific changes in fluctuation data are detected at the microscopic level, enabling advance prediction of specific spectral signs before fluctuations occur. Compared to existing systems that require complex control systems and associated control models for adjustments during periodic fluctuations, resulting in higher maintenance costs and greater accuracy variations, this method allows for corresponding compensation control processing in the early stages of fluctuations. This prevents late compensation from leading to excessively large amplitudes that are difficult to suppress, reducing maintenance costs and extending equipment lifespan.

The invention discloses a TPU inflatable product welding machine with a precise positioning function and a welding method of the TPU inflatable product welding machine. The TPU inflatable product welding machine comprises a welding device, a pressurizing device, a control device and a progressive positioning feeding mechanism. The progressive positioning feeding mechanism comprises a rack, a pushing guide rail, a material bearing plate, a swing pushing motor and a linkage assembly. Rotation input of the motor is converted into two-stage composite motion of the material bearing plate through the double-swing-rod linkage assembly, mechanical self-locking is achieved at the end point through mechanism characteristics, and therefore high repeated positioning precision and anti-interference capacity are guaranteed on the mechanical level. By means of the design, the movement process is optimized, tail end impact is eliminated, a mold and materials are protected, dependence on a high-precision guide rail and a complex control system is remarkably reduced, control is simplified, cost is reduced, the feeding mechanism cooperates with stations such as welding and demolding, full-process automation is achieved, and production efficiency and product consistency are greatly improved.

The invention relates to the technical field of optical imaging, and discloses a distance-adjustable dual-lens imaging module, which adopts the transmission connection design of a rotary adjusting assembly and a sliding block assembly to accurately convert rotary motion into linear motion, realizes continuous and accurate adjustment of the distance between two lenses, and improves the imaging precision. The limitation that a traditional fixed structure cannot be adjusted is overcome, and the problems that existing manual sliding adjustment is low in precision and poor in stability, and electric adjustment is high in cost and complex in structure are solved. Meanwhile, according to the scheme, the structure is simple and compact, operation is convenient and fast, adjustment can be completed only through rotation operation, a complex control system is not needed, the transmission mechanism has the self-locking characteristic, the position stability after adjustment can be effectively guaranteed, and the applicability, reliability and economical efficiency of the double-lens imaging module are remarkably improved.

The utility model discloses a plate shearing machine film attaching wheel braking device which comprises an adjusting bin and a braking plate, the braking plate is movably arranged below the adjusting bin, the braking plate is of an arc-shaped structure, the end of the adjusting bin is connected with a speed reducer, and the speed reducer is connected with a driving motor. The braking plate is in contact with the side face of the film attaching wheel, braking is achieved through friction force, and the problems that in the background technology, a hydraulic braking mode is generally adopted for controlling movement of the film attaching wheel, the hydraulic braking mode needs a complex control system and pipelines, the manufacturing cost is high, and maintenance is difficult are solved.

The invention discloses a bulldozer shovel blade control system and a bulldozer. The bulldozer shovel blade control system further comprises a hydraulic pump, a multi-way reversing valve and a control valve set. A working port of the multi-way reversing valve is connected with an oil inlet of the control valve group; a working port of the control valve group is respectively connected with a rod cavity and a rodless cavity of the left inclined oil cylinder and a rod cavity and a rodless cavity of the right inclined oil cylinder; wherein the control valve group has a double-cylinder tilting mode and a pitching angle adjusting mode, and when the control valve group is in the double-cylinder tilting mode, the control valve group controls a rod cavity of the left tilting oil cylinder to be connected with a rodless cavity of the right tilting oil cylinder and controls the rodless cavity of the left tilting oil cylinder to be connected with a rod cavity of the right tilting oil cylinder, so that the left tilting oil cylinder and the right tilting oil cylinder act reversely; and in a pitching angle adjusting mode, the control valve group controls the corresponding cavities of the left and right inclined oil cylinders to be connected, so that the left and right inclined oil cylinders act in the same direction. The problems that in the prior art, a hydraulic system is complex in design, the coupling degree of a control system is high, and the reliability of the system is affected are solved.

The utility model discloses a carrying mechanism and equipment, the carrying mechanism includes bearing station and first support, drive base, second support and connecting rod, the bearing station rotation is connected to first support, first support is connected to drive base on the sliding, one end of connecting rod is connected with bearing station, the other end of connecting rod is connected with second support. Through the drive of drive base in this one drive piece, the composite motion of bearing station linear sliding and rotation can be realized, and the drive of multiple drive pieces is not needed, which makes the carrying mechanism whole structure simple, the manufacturing cost is lower, and the space is smaller. Compared with the traditional complex carrying equipment, a large number of high-precision transmission components and complex control system are not needed, the raw material procurement cost and processing manufacturing cost are reduced. At the same time, because the structure is simple, the assembly process is also more easy, and the assembly time and artificial cost are reduced.

The application discloses a fuel pipeline and a nozzle thereof, and relates to the technical field of the nozzle.The nozzle body;the inside of the nozzle body is formed with a gas fuel cavity and an air cavity which are not communicated with each other; a plurality of gas fuel injection holes and a first opening are arranged on the nozzle body, the gas fuel injection holes are communicated with the gas fuel cavity; the first opening is communicated with the gas fuel cavity; air outlet holes are arranged on the nozzle body and correspond to the plurality of gas fuel injection holes one by one, and the air ejected from the air outlet holes is used for covering the corresponding gas fuel injection holes.The high-pressure air ejected from the air outlet holes can cover and block the gas fuel injection holes through the design of the air outlet holes.When the gas fuel injection holes are idle, the fuel in the combustion chamber cannot enter the gas fuel cavity or the gas fuel flow channel through the gas fuel injection holes.There is no need to design an auxiliary device or a complex control system for blowing and cleaning the gas fuel flow channel.

This utility model discloses a packaging bag cutting mechanism, belonging to the field of cutting mechanisms. The device includes a support structure, a feeding mechanism, a drive mechanism, a cutting assembly, and a receiving device. It achieves mechanical synchronization between feeding and cutting through a lever-driven linkage between a grooved wheel and a cam. In the feeding mechanism, the lever first contacts the grooved wheel during rotation and drives it to rotate, causing the conveyor rod to intermittently feed material. After feeding is completed, the lever disengages from the grooved wheel and continues to rotate, contacting the first cam and driving the cam mechanism to press the cutter down, achieving the cutting action. After cutting, the cutter automatically resets under the action of a spring. The device has a compact overall structure and a clear drive path, achieving a continuous cycle of "feeding—cutting—resetting" without a complex control system. It is particularly suitable for production environments with limited electrical control conditions and process scenarios requiring high synchronization between feeding rhythm and cutting.

The present application relates to ground flare technology field, disclose a kind of high burnout rate low-noise smokeless fully-enclosed ground flare system, including flare main cylinder, the inside bottom end of the flare main cylinder is fixedly connected with waste gas through main pipe, the outside top of the waste gas through main pipe is fixedly connected with multiple waste gas injection pipes, the outside of the waste gas through main pipe is fixedly connected with air distribution ring, the top of the air distribution ring is fixedly connected with multiple air injection pipes, the inside of the flare main cylinder is located above the waste gas injection pipe and is provided with power supply mechanism, the power supply mechanism can control air intake after being heated.The linkage of power supply mechanism and liquid backflow mechanism can adjust the size of air intake according to the size of waste gas intake by pure mechanical structure, so there is no need for complex control system and structure, which can reduce equipment cost and maintenance difficulty, thereby reducing the maintenance cost of flare system.

The invention discloses a temporary supporting device, system and method, and belongs to the technical field of underground coal mine supporting. According to the scheme, a supporting body is installed on a piston rod of a supporting oil cylinder, a plurality of adjusting oil cylinders are arranged on the supporting body, a rodless cavity of the supporting oil cylinder is provided with a second port, and the supporting oil cylinder is connected with rodless cavities of the adjusting oil cylinders through the second port; when the supporting oil cylinder extends out, the adjusting oil cylinder which is firstly in contact with the supporting surface is compressed according to the contact condition of the adjusting oil cylinder and the supporting surface, and hydraulic oil in the rodless cavity of the adjusting oil cylinder is compressed back into the rodless cavity of the supporting oil cylinder; the multiple adjusting oil cylinders can adapt to supporting faces which are staggered in height, the stability and the service life of the temporary supporting device in the supporting process are guaranteed, meanwhile, the whole device does not need a complex control system, self-adaptive adjustment of the adjusting oil cylinders can be achieved only by conveying hydraulic oil into rodless cavities of the supporting oil cylinders, and using is simpler and more convenient.

The invention provides an electric separation device and method for removing solid catalyst particles in catalytic slurry oil, and belongs to the technical field of slurry oil solid removal and petrochemical engineering, the device comprises an outer cylinder, an inner cylinder and a central metal rod which are coaxially arranged, the inner cylinder is connected with a high-voltage power supply to form a non-uniform electric field, and the outer cylinder and / or the inner cylinder are / is of a variable-diameter structure; due to the design, the electric field gradient is enhanced in a variable-diameter area, so that the dielectrophoretic force acting on the superfine catalyst particles is increased; meanwhile, according to the fluid continuity principle, the flow speed of the oil slurry decreases progressively due to increase of the cross section area of a channel in the flowing process from top to bottom, the particle retention time is prolonged, and fluid drag force is reduced. Through the synergistic effect of the two effects, the removal efficiency of superfine particles with the diameter smaller than 1 micron is remarkably improved. The device is simple in structure, does not need a complex control system, can achieve efficient and stable solid removal under moderate electric field intensity, and is suitable for various complex working conditions.

The utility model discloses a kind of lens angle micro-adjustment structure, belong to optical path system technical field, including equipment ontology, equipment ontology is equipped with mounting hole;Cylindrical body passes through mounting hole and is rotated with mounting hole cooperation, one end of cylindrical body is fixed with flange, and the other end is equipped with lens;Flange is equipped with adjusting groove, equipment ontology is equipped with the pin hole in adjusting groove, pin hole is used for inserting eccentric adjusting part.The utility model has been equipped with adjusting groove on flange, and pin hole has been equipped on the equipment ontology in adjusting groove, when eccentric adjusting part is inserted into pin hole, because eccentric adjusting part has eccentric feature, when it rotates with pin hole as center, it will exert thrust to adjusting groove side wall, make flange rotate with the axis of mounting hole as center, to realize the slight angular displacement of cylindrical body and lens, without motor and complex control system, especially suitable for the scene of limited space use.

The invention relates to the technical field of garden sprinkling irrigation devices, in particular to a garden water-saving sprinkling irrigation device and a sprinkling irrigation method thereof.The garden water-saving sprinkling irrigation device comprises a vehicle body, a water storage tank is fixed to the vehicle body, a support is fixed to the water storage tank, a water pump is fixedly installed on the support, a water inlet pipe extending into the water storage tank is fixed to a water inlet of the water pump, and a water outlet pipe is fixed to a water outlet of the water pump; a nozzle seat is rotatably mounted on the support, nozzles communicated with a water outlet pipe are fixedly mounted at the bottom of the nozzle seat, the water outlet pipe is communicated with the multiple nozzles, a valve body is fixedly mounted on a passage of the water outlet pipe, and a valve element is slidably arranged in the valve body; by effectively combining the characteristics of rotary spraying and pulse spraying, on the premise that a complex control system and extra supercharging equipment are not needed, the irrigation uniformity is remarkably improved, and the irrigation efficiency is improved. Water evaporation and drifting loss are reduced, and the purpose of efficiently saving water is achieved.

The invention provides a movable post-fire gaseous fire extinguishing agent discharging device and a working method thereof, and the movable post-fire gaseous fire extinguishing agent discharging device comprises a movable bearing platform, a negative pressure pumping and discharging system, a gas detector and an air bag, the function of discharging residual gas after gas fire extinguishing is integrated into the modularized and movable discharging device, the device can replace all functional assemblies needing to be installed on site in a traditional fixed ventilation system, and a special linkage control valve and a complex control system do not need to be arranged. The method has the technical advantages that the building space occupation requirement is remarkably reduced, and the initial construction investment cost is reduced; reusability is achieved, and flexible deployment and quick response are supported; by means of the modular design, efficient gas emission operation is achieved, a fixed facility installation procedure is not needed, the device can be put into use at any time, and therefore the emission efficiency and emergency disposal flexibility of gas extinguishing agent residual gas (such as heptafluoropropane, IG541 and carbon dioxide) after fire extinguishing are systematically improved.

The utility model discloses a kind of braid weaving devices, including machine body, weaving mechanism is provided on the machine body, the other side of weaving mechanism relative to the machine body is also provided with support frame, line pressing table is movably provided on the support frame, and multiple support columns for supporting the bottom of line pressing table are arranged in the support frame, a plurality of rotating shafts are rotatably arranged in the support frame, the rotating shaft is above line pressing table, connecting piece, press wheel are sequentially fixed on the side of rotating shaft towards line pressing table, and press wheel abuts on the top of line pressing table. By line pressing table longitudinal height adjustment and the overturning of press wheel driven by rotating shaft, the pressure received by braid can be accurately controlled, this double-dimension adjustment mode can be adapted to braid of different thickness and material, realize the dynamic adaptation of braid flattening forming process, simultaneously, by physical adjustment instead of complex control system, staff can quickly complete parameter setting by intuitive mechanical adjustment, not only reduce the operation threshold, also further improve production efficiency.

The present application relates to coal mine paste filling technical field, especially to coal mine fully mechanized paste filling working face tail slurry activator adding device, adding device includes stirring tank, pivot, stirring tooth, large wheel, small wheel, liquid inlet part and L type liquid outlet pipe, pivot is arranged in stirring tank along vertical direction, stirring tooth is fixed on pivot, large wheel is concentrically arranged on the upper end of pivot with fixed structure, the circumferential rotation of large wheel drives the circumferential rotation of small wheel through corresponding transmission structure, the vertical section of liquid outlet pipe is connected with the liquid inlet part outside through small wheel, and the vertical section of liquid outlet pipe is connected with small wheel in fixed structure, the horizontal section of liquid outlet pipe can rotate with vertical section as axis, the side wall of horizontal section away from vertical section is provided with outlet, sliding plug for controlling outlet discharge is arranged in horizontal section in sliding structure, spring for resetting sliding plug is arranged in horizontal section, the addition of activator is controlled by rotating speed, which is easy to control without complex control system, and is more suitable for underground environment.

The invention discloses a pool test model device for a double-rotor fan, and belongs to the technical field of wind power generation, the pool test model device comprises a driving system, a front end variable pitch system, a rear end variable pitch system and a six-component sensor, the front end variable pitch system, the rear end variable pitch system and the six-component sensor are arranged corresponding to a front end rotor and a rear end rotor respectively, and the driving system drives the double-rotor fan to rotate through shafting transmission connection. The front-end variable-pitch system and the rear-end variable-pitch system are used for adjusting the blade pitch angles of the front-end rotor and the rear-end rotor correspondingly, the wind speed and the airflow direction of the double-rotor fan can be flexibly adjusted through accurate control over the rotating direction and the rotating speed of the motor, and therefore the pneumatic efficiency and the operation stability of the system are improved, and when a rotary knob is loosened, a sliding table can rotate in a self-adaptive mode; the structure has the manual setting function and the self-adaptive variable pitch function, the structure is simple, response is flexible, efficient energy capture and stable operation can be achieved without a complex control system, and the reliability and adaptability of the system are remarkably improved.

The application is suitable for the technical field of over-voltage protection device of super-high voltage and extra-high voltage transmission system, and provides a controllable arrester based on self-triggering air-gap switch, which comprises an arrester fixed part, an arrester controllable part, a bypass capacitor high-voltage part, a bypass capacitor low-voltage part, an air-gap switch and an intermediate bridge valve group; the arrester fixed part, the arrester controllable part, the bypass capacitor high-voltage part, the bypass capacitor low-voltage part and the intermediate bridge valve group form an electric bridge structure, and the air-gap switch is connected in parallel with the bypass low-voltage part; the capacitance ratio of the bypass capacitor low-voltage part to the bypass capacitor high-voltage part is less than the rated voltage ratio of the arrester fixed part and the arrester controllable part. The short circuit of the arrester controllable part is realized through the cooperation of electrical parameters, the over-voltage can be protected in time, the influence caused by the dispersion of the air-gap switch action is avoided, a complex control system is not needed, and the device is less and the structure is simple.

The utility model discloses a dynamic locking device of a hollow built-in shutter. The dynamic locking device comprises a limiting toothed plate body frame, a linkage transmission rod, an operation shifting block and a locking clamping block. The locking fixture block is matched with the inclined surface of the raised head of the operation shifting block through the trapezoidal convex block, and the tooth foot is meshed with the limiting toothed plate to realize locking; a transmission rod reset spring and a locking clamping block reset spring act synergistically, and the locking state is controlled through dynamic balance of handle tension and spring force. When a user pulls the handle, the linkage transmission rod moves up and down to enable the locking clamping block to be separated from the limiting toothed plate, and the shutter can freely ascend and descend. After the hand is loosened, the spring resets to push the locking clamping block to be meshed again, and rigid locking is achieved. The device solves the problem of sliding deviation caused by dynamic change of shutter weight of an existing constant force balancing device, is particularly suitable for large shutters with the area larger than 3 m < 2 >, has the advantages of being simplified in structure, rapid in response and high in locking reliability, improves the positioning accuracy by more than 40%, and does not need manual intervention or a complex control system.

The utility model relates to the technical field of automobile parts, concretely is a kind of stamping gear ring's transfer device, including operation platform.The stamping gear ring's transfer device, in the material taking subassembly, rotating end drives gantry rotation, make to clamping plate and corresponding one side relative, in pass through conveying table and drive its and product close or close with stacking component, to realize accurate positioning material taking or placement, upper top cylinder promotes upper top plate, can drive to clamping cylinder lift, simplify the multi-joint collaborative process of traditional mechanical hand, in stacking component, mobile adjustment end realizes adjusting the movement of frame, realizes the overall position adjustment and clamping of stacking component, screw lift controls the layer-by-layer descent of supporting plate and ensures that stacking height is uniform, the scheme realizes material taking, rotation, stacking etc. function by standardization mechanical structure, without complex control system, operator only needs basic training to work, reduce manpower threshold and training cost, significantly improve production efficiency.

The invention relates to the technical field of indoor decoration, and discloses a wall putty removing device which comprises a wall breaking mechanism and an air blowing mechanism, the wall breaking mechanism and the air blowing mechanism are fixedly installed at the upper end of a base, the wall breaking mechanism comprises a shell, a wall breaking assembly and a water spraying assembly, one face of the shell is open, the wall breaking assembly is fixedly connected to the interior of the shell, and the water spraying assembly is fixedly connected to the wall breaking assembly; wall breaking nail assemblies arranged on the wall breaking assembly face the open face of the shell; a nozzle of the water spraying assembly is arranged on the inner side of the shell; an air outlet of the air blowing mechanism is connected into the shell and faces the open face of the shell. Wherein the wall breaking mechanism scrapes a flat wall surface, then a water spraying assembly in the wall breaking mechanism sprays water to the wall surface to soften the wall surface, and then the air blowing mechanism blows away putty on the wall surface. The product does not need a fixed track, and is relatively small in size, relatively flexible in use scene, relatively simple in structure and convenient to use. The problems of high equipment cost, large equipment size, complex control system and inflexible application in the prior art are solved.

The application discloses a method for rotating propulsion of a propulsion body by alternately combining different-shaped coils, and relates to the technical field of electromagnetic launching. Compared with the previous rotating propulsion method of a magnetic resistance type propulsion body, the application solves the problems of the low efficiency of the existing magnetic resistance type coil propulsion system, the high heat generated by the coil during electrification, the complex design of the multi-stage magnetic resistance type coil, the need of a complex control system for accurately controlling the rotating torque and the propulsion speed generated by the coil, and the high cost of the research, manufacture and maintenance of the magnetic resistance type coil propulsion system; the alternately combined elliptical and circular coils provide smoother rotating motion, reduce energy loss, and improve the overall propulsion efficiency; meanwhile, the optimization of the coil design reduces the heat generated by the coil, and improves the stability and reliability of the system. The alternately combined elliptical and circular coils realize the rotating propulsion of the propulsion body, and provide possibility and reference value for the upgrading and optimization of the magnetic resistance type coil launching.

This utility model relates to the field of safe feeding technology, specifically to a feeding mechanism for anti-collision processing of precision metal products. It includes a waxing assembly for applying wax to the conveyor belt. This not only protects the conveyor belt and reduces scratches from sharp edges of precision metal products, but also increases the friction on the conveyor belt surface, effectively preventing the precision metal products from sliding on the conveyor belt and greatly mitigating damage caused by collisions between the precision metal products. The waxing assembly consists of a bottom box and a wax storage tank. The wax storage tank contains anti-slip industrial wax and is equipped with a heater to melt the industrial wax. Therefore, when waxing is needed, simply energizing the heater melts the industrial wax in the storage tank, turning it into a liquid that flows onto the rotating waxing roller, achieving automatic waxing without the need for a complex control system. The structure is simple and the operation is convenient.

The utility model relates to a kind of reduction gear for rolling with overheating automatic protection function, belong to metallurgical rolling technology field.The reduction gear for rolling with overheating automatic protection function, comprising: reduction gear body;Overheating protection mechanism, overheating protection mechanism includes electromagnetic clutch, microswitch, metal frame, memory spring and trigger assembly;Motor;By setting the pure mechanical overheating protection mechanism driven by memory spring, provide the protection scheme not dependent on external power and complex control system.Using the physical properties that shape memory alloy occurs phase transition to produce huge restoring force under certain temperature, directly drive trigger assembly to cut off the circuit of electromagnetic clutch.It is controlled completely by physical principle, response speed is fast, anti-interference ability is extremely strong, avoid in rolling mill harsh environment, due to vibration, electromagnetic interference or line fault leading to the problem of electronic protection system malfunction or refusal to operate, to avoid the damage of reduction gear due to malfunction or refusal to operate.