668results about How to "Control speed" patented technology

The invention relates to a deicing effect evaluation control method and device based on infrared image analysis. The method comprises the steps that a first infrared image of a power transmission line located in front of deicing equipment and a second infrared image of a power transmission line located behind the deicing equipment on each power transmission line are acquired; training based on the historical first infrared image and the second infrared image to obtain a convolutional neural network model for judging the deicing effect of the power transmission line; obtaining a deicing evaluation result and residual ice coverage thickness by using the trained convolutional neural network model; and controlling the deicing equipment to perform deicing operation based on the deicing evaluation result. According to the method, the deicing effect of the deicing equipment on the power transmission line can be evaluated by using the infrared image, so that the deicing equipment is controlled to circularly operate or advance to operate, automatic deicing operation of the deicing equipment on the power transmission line is realized, and the deicing effect is ensured.

The invention discloses a ventilation and air exchange device for a green building. The ventilation and air exchange device comprises a ventilation and air exchange box, a mounting plate, a ventilation and air exchange opening, a rotary air disc and fan blades. Mounting plates are fixed to the two ends of the two sides of the ventilation box, fixing pins penetrate through the interiors of the mounting plates, one ends of the fixing pins extend into the green building wall, and ventilation ports are formed in the two ends of the outer side of the ventilation box. According to the ventilation device for the green building, a fan motor is used for driving a linkage shaft to rotate, and a transmission assembly is matched to enable a fan shaft to rotate synchronously, so that two rotating wind discs and a plurality of fan blades are driven to rotate, outdoor fresh air is extracted and fed into the green building, and the ventilation effect is improved. According to the indoor air purification device, vitiated air, harmful gas and microorganisms in a building can be effectively diluted and discharged, so that the indoor air quality is improved, a healthier and more comfortable living environment is provided for people, indoor oxygen can be effectively supplemented, and the freshness and vitality of indoor air are kept.

The invention provides an electromagnetic clutch assembly, an electromagnetic clutch, a power device and a vehicle. The electromagnetic clutch assembly comprises a main shaft, a sliding sleeve, an electromagnetic induction assembly, a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are connected to the main shaft, and the main shaft is provided with a connecting part between the first transmission wheel and the second transmission wheel; the sliding sleeve and the electromagnetic induction assembly are sequentially arranged on the radial outer side of the connecting part, the electromagnetic induction assembly is connected with the sliding sleeve, and the electromagnetic induction assembly can drive the sliding sleeve to move in the axial direction of the main shaft through electromagnetic induction, so that the sliding sleeve moves to the position meshed with the first transmission wheel or the second transmission wheel; the electromagnetic clutch assembly is provided with two power output gears, and when the clutch assembly is operated, more gears can be selected; and the vehicle can realize switching of multiple gears, so that a larger vehicle speed range can be output.

The invention provides a vacuum regulating valve pressure control system and a control method thereof, and relates to the technical field of vacuum regulating valve pressure control. The control method comprises the steps that after a specified rotating speed is obtained through a valve rotating speed model, a valve plate of the vacuum regulating valve is controlled to rotate to a specified angle position according to the specified rotating speed; the valve rotating speed model is established based on the PWM pulse frequency and the Simoid function. According to the control method of the vacuum regulating valve pressure control system, the problem that an existing vacuum regulating valve pressure control system cannot meet the response speed and stability required by a production line is solved, and the effect of improving the response speed and stability of the system is achieved.

The embodiment of the invention relates to a method and system for controlling the rotating speed of a cooling fan of a loader and a medium, and belongs to the technical field of cooling fans of loaders, the control method comprises the steps that the double-closed-loop control process of the rotating speed of the fan is executed, and the rotating speed of the fan is calculated through a PD calculation method; based on the rotating speed target value of the cooling fan, the actual hydraulic pressure value at the current moment and the actual hydraulic pressure values at the first two moments, an expected output current value at the current moment is obtained; calculating the expected voltage value of the electric control valve core at the current moment based on the expected output current value at the current moment, the actual output current value at the current moment, the actual output current value at the last moment and the target rotating speed value of the cooling fan by utilizing a PI calculation method; accurate control of the rotating speed of the fan is achieved, the hysteresis problem of a control valve element is avoided, and the rotating speed of the cooling fan is closer to the ideal target rotating speed.

The utility model relates to the technical field of tunnel seepage flow monitoring, in particular to tunnel seepage flow monitoring equipment which comprises a tunnel loading assembly, a supporting control assembly is arranged on the side face of the tunnel loading assembly, and the top of the supporting control assembly is fixedly connected with a transduction adjusting assembly. The ultrasonic flow meter is used for detecting the flow velocity, a measuring point is in front of the probe, a flow field is not damaged, and the ultrasonic flow meter has the advantages of high measuring precision, wide measuring range, capability of measuring weak flow and strong flow, high resolution, high response speed, capability of measuring instantaneous flow velocity and average flow velocity, measurement linearity, difficulty in change of a flow velocity calibration curve, no mechanical rotating part, high reliability and the like. The problems of sediment blockage and aquatic plant winding do not exist, the probe is firm, durable, not prone to damage, easy and convenient to operate and the like, a motor is used for driving a bevel gear and a transmission wheel to be meshed and driving a photovoltaic panel on a rotating rod to rotate, the solar energy absorption range of the photovoltaic panel can be enlarged, and the energy storage rate of the photovoltaic panel is increased.

The invention provides a contact lens continuous online production method and a production system thereof, and belongs to the technical field of contact lens preparation. The problem of poor stability in the prior art is solved. The continuous online production method of the contact lenses comprises the following steps: A, adaptation preparation; b, module connection; and C, detecting and caching. The continuous online contact lens production system comprises a dry lens operation module, a wet lens operation module, a sterilization operation module and an outer packaging operation module, the output ends of the dry lens operation module, the wet lens operation module and the sterilization operation module are each provided with a transfer cache mechanism, and a material frame mechanism is arranged between every two adjacent modules. The transferring and caching mechanism can convey the semi-finished products from the previous module to the next adjacent module through the material frame mechanism according to the set conveying speed and conveying capacity. The production method is high in efficiency, and the system is compact in structure.

The invention provides a submicron sulfide solid electrolyte and a preparation method thereof, the preparation method comprises the following steps: weighing a proper amount of Li2S, P2S5 and LiX as raw materials, X being a halogen element; mechanically grinding the raw materials to obtain a sulfide solid electrolyte precursor; sintering the sulfide solid electrolyte precursor and cooling at room temperature to obtain a large-particle-size sulfide solid electrolyte; and mechanically grinding the large-particle-size sulfide solid electrolyte to obtain the submicron sulfide solid electrolyte. The submicron-level sulfide solid electrolyte is prepared by combining high-temperature solid-phase sintering and mechanical grinding, so that the loss of raw materials is effectively reduced, and the purity of the raw materials is improved.

The invention discloses an air conditioning system, a pressure detection method and device thereof and a storage medium, and the method comprises the steps: obtaining the system evaporation pressure detected by a pressure sensor and used for controlling a compressor under the condition that the air conditioning system is in a refrigeration mode; determining system condensation pressure for controlling an outdoor fan according to the system evaporation pressure and the compressor characteristic parameters; and under the condition that the air conditioning system is in the heating mode, the system condensation pressure detected by the pressure sensor and used for controlling the compressor is obtained, and the system evaporation pressure used for controlling the outdoor fan is determined according to the system condensation pressure and the compressor characteristic parameters. A pressure sensor is adopted for pressure monitoring, the evaporation pressure of the system is detected in a refrigeration mode, and the condensation pressure of the system is detected in a heating mode, so that the condensation pressure of the system in the refrigeration mode and the evaporation pressure of the system in the heating mode are obtained through calculation of characteristic parameters of a compressor; and the fuzzy control mode of the fan can be met, and the cost is reduced.

The utility model provides a blending device convenient to operate, which relates to the technical field of blending devices, and comprises a blending box and a regulation and control mechanism, a sealing cover is arranged at the top end of the blending box, and through the arrangement of the regulation and control mechanism, an instruction is sent to an electronic controller through a wireless control unit. The current actual rotating speed data of the motor are obtained through the built-in Hall effect sensor, the controller compares and analyzes the actual rotating speed and the preset target rotating speed, the current control loop is automatically adjusted so as to indirectly regulate and control the running speed of the motor, and the electronic controller controls the current in the motor so as to control the running speed of the motor. The current sensor continuously monitors the change condition of the actual current in the motor coil to ensure that the motor can output the required torque according to the expectation and can also realize the dynamic adjustment of the rotating speed, so that the uniform mixing device can realize the uniform mixing according to the actual operation conditions and the specific requirements of the mixing task; and the rotating speed and the torque output of the motor are flexibly and accurately controlled.

The invention discloses stable flattening equipment for an enameled flat wire, and relates to the technical field of flattening of the enameled flat wire. The invention aims to solve the problem of flattening requirements of enameled flat wires with different thicknesses. The device specifically comprises a rack, a wire pressing mechanism is arranged at one end of the rack, a mounting frame is fixedly connected to one side of the top of the rack, a motor is arranged on one side of the top of the mounting frame, a bobbin is fixedly connected to one end of the top of the rack, three fixing frames are fixedly connected to one inner side of the rack, and enameled wires are slidably connected into the ends of the fixing frames; an intermittent wire pushing mechanism is arranged on one side of the mounting frame, an enameled wire penetrates through the intermittent wire pushing mechanism and the wire pressing mechanism, and the intermittent wire pushing mechanism comprises a first guide wheel, a first rotating rod, a mounting block, a guide rod, a second rotating rod, a rotating disc, a fixing rod, a linkage rod, a second guide wheel, a limiting block, a third rotating rod and a second spring. According to the flattening device, the effect of controlling the wire pushing speed and the flattening strength of the enameled rectangular wires is achieved, and the flattening requirements of the enameled rectangular wires with different thicknesses are met.

The invention discloses an adjusting system for controlling the rotating speed of an automobile engine, and the system is characterized in that the system comprises a data collection module which collects the conventional operation parameters of the automobile engine in real time, the conventional operation parameters comprise the rotating speed, the torque, the air inflow, the oil temperature and the oil pressure, and also collects the acceleration, the gradient information, the external environment temperature and humidity of a vehicle and the driving behavior data of a driver; such as accelerator pedal depth change rate and brake frequency; the data analysis module is connected with the data acquisition module and is used for deeply mining a relationship and a potential rule in data by applying a long short-term memory (LSTM) network algorithm in deep learning and a fusion analysis method based on a physical model, identifying a real-time running state and a future change trend of the engine and intelligently diagnosing potential fault hidden dangers; the fuel injection amount and the ignition time can reach the optimal state through accurate rotation speed adjustment, fuel consumption is greatly reduced, fuel economy is improved, and expenditure is saved for users.

The utility model discloses a waterway system of environmental sanitation equipment and the environmental sanitation equipment with the waterway system, the waterway system comprises a water tank, a water pump assembly, an automatic unloading valve, a pressure detection piece and a control assembly, the water pump assembly is connected with the water tank; the automatic unloading valve is connected with the water pump assembly; the pressure detection piece is configured to detect the working pressure of the waterway system; the control assembly is in signal transmission with the pressure detection piece and the water pump assembly and is configured to adjust the rotating speed of the water pump assembly according to the water pressure obtained by the pressure detection piece. According to the waterway system, the automatic unloading valve can keep stable operation and safety of the waterway system, the pressure detection piece can detect the water pressure of the system in real time and generate an electric signal, the control assembly controls the water pump assembly to be kept at a reasonable rotating speed according to the pressure of the system, and work energy consumption of the waterway system is reduced.

The invention relates to the field of bearing testing, in particular to an air bearing testing device which comprises a high-precision platform, a high-speed motor and a thrust sensor, the thrust sensor is slidably connected to one end of the high-precision platform through a supporting frame, and the high-speed motor is fixed to the other end of the high-precision platform through a fixing base. A motor rotor is arranged in the high-speed motor, a bearing seat and a thrust plate are arranged at the end, facing the thrust sensor, of the motor rotor, an air bearing seat is arranged between the high-speed motor and the thrust sensor and slidably connected to the upper end face of the high-precision platform, and a probe head is arranged at the end, facing the air bearing seat, of the thrust sensor. An air bearing is installed on the side, facing the thrust plate, of the air bearing seat. By using the testing device, different types of air bearings can be replaced, the working rotating speed of the bearing can be controlled in real time, the load conditions in different working states can be recorded, an accurate testing means is provided for testing the dynamic pressure air bearing, and the development of the air bearing is facilitated.

The embodiment of the invention provides a deep super heavy oil reservoir SAGD injection and production method and device and computer equipment, the method comprises the steps that a horizontal well and vertical wells in a vertical and horizontal combined well pattern are preheated, the vertical and horizontal combined well pattern comprises one horizontal well and a plurality of vertical wells, and the vertical wells are symmetrically distributed on the two sides of the horizontal well; judging whether preheating treatment is completed or not; and when preheating treatment is completed, steam is injected into at least part of the multiple vertical wells in turns, and SAGD oil extraction is conducted through the horizontal wells. According to the method provided by the embodiment of the invention, heat loss caused by burial depth during exploitation of the deep super heavy oil reservoir can be made up; the rising speed and overlying height of the steam cavity of an individual steam injection well point are effectively controlled, steam single-point breakthrough is prevented, and development of the steam cavity is improved; exploiting of the deep super heavy oil reservoir is achieved, and the recovery rate of the deep-layer-like oil reservoir is greatly guaranteed.

The utility model discloses a compound chute of a flotation machine, which relates to the technical field of chute separation, and comprises a flotation machine main body and a main chute, an embedded chute is arranged in the main chute, the embedded chute is used for screening foam generated by the flotation machine, and the embedded chute is fixedly connected with the main chute through a suspension rod. According to the utility model, the foam produced by the flotation machine can be subjected to mass separation, so that efficient separation and split-flow transportation of different products in a flotation unit are realized, part of qualified products in roughing operation are merged into a section of refined products through the scraper at the front end, the concentrate loss can be reduced, the recovery rate is improved, the ore pulp circulation volume is reduced, and the process flow is optimized.

The invention relates to the technical field of waste gas treatment, in particular to a waste gas adsorption fixed bed air uniformizing device which comprises an air inlet pipe installed on an air uniformizing box, an adjusting mechanism for adjusting the amount of waste gas entering the air uniformizing box is arranged on the air inlet pipe, and the adjusting mechanism is fixed to one side of the air uniformizing box. A flow guide mechanism for guiding waste gas to directionally flow in the air uniformizing box is arranged in the air uniformizing box, and a cleaning mechanism for removing dust in the air uniformizing box is arranged on the air uniformizing box. According to the waste gas treatment device, the flow guide mechanism is arranged, in the waste gas treatment process, waste gas is guided, waste gas backflow can be prevented, gas can be evenly distributed in an air distributing box, and a filter plate can be rapidly and conveniently disassembled and assembled; according to the waste gas treatment device, the speed and flow of waste gas entering the treatment device can be controlled, and dust on the filter plate can be scraped off in the process of drawing the filter plate by arranging the dust removal mechanism.

The invention discloses a micro-drip-irrigation three-dimensional soil fixation mesh pad and a preparation method thereof, and relates to the technical field of ecological environment protection, the micro-drip-irrigation three-dimensional soil fixation mesh pad comprises an irrigation device and a three-dimensional soil fixation mesh pad, and further comprises a micro-drip-irrigation assembly connected with the three-dimensional soil fixation mesh pad, the micro-drip irrigation assembly comprises a plurality of reinforcing ribs used for transmitting fluid and a plurality of micro-drip irrigation switches arranged on the reinforcing ribs, and the micro-drip irrigation switches are used for controlling the speed of sucking the fluid from the reinforcing ribs; the problem that irrigation is uneven due to the fact that an irrigation line of an existing three-dimensional geonet pad irrigation device is long is solved.

The utility model discloses a brushless motor, which comprises a shell, and a stator, a rotor and a rotating shaft which are arranged in the shell, a circuit board is arranged in the shell, a limiting part is arranged between the circuit board and the stator, and the circuit board is buckled at the upper end of the stator through the limiting part; a plurality of magnetic induction elements are arranged on the circuit board, a guide plug is further arranged on the circuit board, the motor is electrified to enable the coil winding on the stator to generate a magnetic field, and signals are transmitted to the magnetic induction elements on the circuit board through the conductive plug, so that the circuit board regulates and controls the rotating speed of the motor; a magnetic induction ring is arranged in the shell, the magnetic induction ring is arranged on the rotating shaft in a sleeving mode, and the magnetic induction ring is additionally arranged, so that the detection accuracy of the conductive plug is further improved, errors are smaller, and the rotating speed of the motor is controlled more accurately.

The utility model provides a system for preparing glyphosate by oxidizing N-(phosphonomethyl) iminodiacetic acid. The system comprises a high-pressure reactor and a built-in strengthening unit, at least two catalyst bed layers are arranged in the high-pressure reactor, each catalyst bed layer is arranged below the liquid level in the high-pressure reactor, and a built-in strengthening unit is arranged between every two adjacent catalyst bed layers; the built-in strengthening unit comprises a first strengthening reactor and a receiving disc arranged under the first strengthening reactor, the receiving disc is of an inverted arc-shaped concave structure with a low center and a high edge, an acceleration area is arranged in the center area of the receiving disc, and the acceleration area is arranged opposite to an outlet of the first strengthening reactor. According to the system disclosed by the utility model, oxygen and a N-(phosphonomethyl) iminodiacetic acid solution are crushed and dispersed into micron-sized bubbles through the enhanced reactor, so that the dissolution rate of oxygen and the oxidation reaction rate are greatly improved, and the conversion rate of raw materials is improved.

The utility model discloses a kiln tail quenching chamber capable of controlling air volume, which comprises a quenching chamber, one side of the quenching chamber is provided with a cold air cylinder, an air inlet pipe is connected between the cold air cylinder and the quenching chamber, one end of the cold air cylinder is provided with an air cooler, an air inlet is arranged between one end of the air inlet pipe and the quenching chamber, and the other end of the air inlet pipe is provided with an air outlet. A sealing cover plate is mounted on the surface of the air inlet, a cavity channel is formed in the air inlet, a rotating seat is mounted in the cavity channel, a rotating shaft is connected to the surface of the rotating seat, and a turning plate is connected to the lower end of the rotating shaft; the air cooler puts cold air into the quenching chamber through a cold air barrel and an air inlet pipe, a turning plate is arranged in an air inlet used for air releasing and formed in the air inlet pipe, the internal area of the air inlet can be adjusted through rotation of the turning plate, meanwhile, the air releasing amount of the cold air is controlled, the mixing proportion between the cold air and smoke is adjusted, and the smoke is prevented from entering the quenching chamber. Therefore, the cooling temperature and speed are controlled, and volatile components in the smoke dust can be condensed on dust in the smoke gas.

The invention relates to the technical field of rice processing, and discloses an intelligent temperature-control light-throwing slow-grinding rice technology. The intelligent temperature-control light-throwing slow-grinding rice technology comprises the following steps that pretreatment is conducted, specifically, unhulled rice is cleaned and subjected to impurity removal, and cleanliness and purity of the unhulled rice are ensured; the intelligent temperature control system monitors and adjusts the temperature in the rice milling process in real time, meanwhile, the slow milling process is adopted, the rice grain structure is prevented from being damaged, through the temperature sensor and the temperature control device, the temperature change in the rice milling process is monitored in real time, a heating or cooling system of the rice milling machine is automatically adjusted so as to keep the optimal rice milling temperature environment, and meanwhile, the temperature control device is used for controlling the temperature of the rice milling machine. According to the slow milling process, the rotating speed of a rice milling roller is accurately controlled, the milling process is slowed down while the rice milling efficiency is guaranteed, rice can be gradually peeled under low pressure and friction, more natural fragrance and nutritional ingredients are reserved, and therefore the taste of the rice is improved, the broken rice rate is reduced, and the overall product quality is improved.

The utility model relates to the technical field of plastic particle production, and discloses a plastic particle extrusion device for sound insulation plastics, which comprises a base, a screw extruder is arranged at the top end of the base, and a feed port is fixedly connected to the left side of the top end of the screw extruder. According to the extrusion device for the plastic particles for the sound insulation plastic, through the arrangement of a lifting rope, a winding shaft and a storage frame, the plastic particles can fall into the storage frame, water in a cooling box can cool the plastic particles, a second servo motor is started after the plastic particles are cooled, the second servo motor drives the winding shaft to rotate so that the winding shaft can wind the lifting rope, and therefore the plastic particles can be extruded. And water in the storage frame can be filtered through filtering holes in the inner side wall of the storage frame, plastic particles in the storage frame can be conveniently and uniformly taken out when the storage frame ascends to a certain height, and the problems that the plastic particles are inconvenient to take out from the interior of the cooling box, and the working efficiency is easily affected are solved.

The utility model provides a novel batik copper knife device, which relates to the technical field of printing and dyeing tools, and comprises a copper knife head, a pen container rod and an extended pen holder, one side of the copper knife head is rotatably clamped and connected with the pen container rod, and one side of the pen container rod far away from the copper knife head is in threaded connection with a battery sleeve. The batik copper knife device is novel in overall design and simple in structure, the overall length of the batik copper knife device can be adjusted according to the condition of a user, the wax outlet amount can be effectively controlled, meanwhile, the pen container rod body has a heating function, and therefore the batik copper knife device is convenient to use. Operators do not need to adhere wax oil repeatedly in the operation process, the overall operation efficiency is greatly improved, and therefore the wax oil spraying device is worthy of wide application and popularization.

The utility model relates to the technical field of pipeline laying, in particular to an underground pipeline laying device which comprises a bottom frame, a front wheel installation space and a rear wheel installation space are arranged on the front side and the rear side of the bottom frame respectively, a through opening is formed in the middle of the bottom frame, a front guide wheel set is installed in the front wheel installation space, and a rear guide wheel set is installed in the rear wheel installation space. Rear guide wheel sets are installed in the wheels, and a pipeline storage unit is installed at the position, at the through opening, of the upper portion of the middle of the bottom frame. When the underground pipeline laying device is used for laying a pipeline, the underground pipeline laying device is matched with external traction equipment to serve as power, and the underground pipeline laying device can stably move in the extending direction of the current pipeline laying groove under the action of the front guide wheel set and the rear guide wheel set; in the shifting process, the rope winding barrel of the pipeline storage unit can be effectively driven to rotate by means of rotation of the middle wheel and the belt transmission assembly, and therefore the purpose of lowering the pipeline is achieved.

The invention provides a degerming control method, a degerming device and an air conditioner, relates to the technical field of air conditioners, and solves the technical problem of high energy consumption of the degerming device of the air conditioner. The degerming control method comprises the following steps: starting a degerming mode, and presetting a threshold group; acquiring parameters of bacteria in a room; wherein the bacteria parameters comprise the number of bacteria and the concentration of bacteria; comparing the acquired bacteria parameters with a preset threshold group to judge the quality interval of the room; and executing different degerming mode operation levels based on the quality interval of the room. According to the air conditioner, the type, number, concentration and the like of indoor air bacteria are obtained through the sensor, a signal is sent to the main control module of the air conditioner, the main control module controls the heating current according to the signal so as to control the atomization degree and speed of the sterilization liquid and control the rotating speed of the fan and the rotating direction of the fan blades to blow out the atomized sterilization liquid, and the sterilization effect is achieved.

The utility model relates to a simple device for implanting an artificial cochlea electrode. The simple device comprises a driving clamp component and a follow-up clamp component, the driving clamp component and the follow-up clamp component are hinged together through a clamping pin, and a torsional spring is arranged on the clamping pin in a penetrating mode. The driving clamp component is matched with the follow-up clamp component, a working part located at the front end and an opening operation part located at the rear end are formed along the clamp pin, and the torsion spring exerts force to keep the working part at the front end of the driving clamp component and the working part at the front end of the follow-up clamp component closed. A driving wheel and a follow-up wheel are respectively arranged in the working parts at the front ends of the driving clamp part and the follow-up clamp part; driving shafts of the rotating wheel shafts penetrate through the driving wheels, and rotating wheels are arranged at the parts, outside the driving shell, of the rotating wheel shafts; and the driving wheel and the follower wheel are oppositely clamped on two sides of an electrode of an artificial cochlea to be implanted. According to the artificial cochlea electrode implantation device, the suspended insertion movement when a doctor implants an artificial cochlea electrode is changed into the finger rotation movement, so that the implantation speed and the implantation force can be better controlled, and the implantation efficiency and the implantation effect of the artificial cochlea electrode are better.

The utility model relates to the technical field of hydraulic equipment, in particular to a hydraulic drill and hammer all-in-one machine which comprises a base, a hammer body and a drill bit. The upper end of the base is fixedly connected with a support, the upper end of the support is fixedly connected with a top plate, and the lower end of the top plate is provided with a hydraulic cylinder; the lower end of the connecting plate is fixedly connected with a hammer body. By means of the all-in-one machine, according to different machining materials and drilling requirements, the electric hydraulic telescopic rod is controlled, the impact frequency and strength of the hammer body are adjusted, the rotating speed of the drill bit can be controlled, the drilling quality and efficiency are improved, and energy consumption and abrasion are reduced. The rotary table can rotate in the machining groove, the machining direction and position of the hammer body and the drill bit are changed by changing the position of a machined material, different drilling requirements and conditions are met, drilling flexibility and adaptability are improved, and multi-angle drilling of the hydraulic drill and hammer all-in-one machine is achieved.

The utility model discloses a wireless remote control ventilating fan which comprises a ventilating fan body, a control box and a key fixing ring, a power box is installed on the ventilating fan body, a control receiving plate is installed in the power box, a control transmitting plate is installed in the control box, the control transmitting plate is electrically connected with a key plate, and a key set is installed on the key plate. The key fixing ring is arranged in the control box, the key set is installed in the key fixing ring, a fixing cover is installed at the upper end of the control box, four bayonets are formed in the surface of the fixing cover, a box cover is installed on the fixing cover, hook rods inserted into the bayonets are arranged on the box cover, and wireless control over the motor is achieved through cooperation of the control transmitting plate and the control receiving plate. Wire harness connection between the motor and the switch is avoided, arrangement of wires can be reduced by installing the ventilating fan, installation is more convenient, the rotating speed of the motor can be controlled through the key board, high-low-power operation of the motor is achieved, and noise is reduced.