157results about How to "Speed ​​up the work process" patented technology

The invention relates to a derusting device, in particular to a high-performance derusting device for metal plates. The technical problem to be solved by the present invention is to provide a high-performance derusting equipment for metal plates with high derusting efficiency, convenient use and accelerated working process. In order to solve the above technical problems, the present invention provides such a high-performance derusting equipment for metal plates, which includes a first gear, a first bearing seat, a first rotating shaft, a first pulley, a connecting belt, a fixed frame, and a second pulley , derusting blocks, motors, rollers, etc.; the first shaft is provided with the first shaft, the first shaft is provided with the first pulley and the first gear, the second slide rail is provided with the second slider, and the second The bottom of the slider is provided with a first rack. The invention achieves the effects of high derusting efficiency, convenient use and accelerated working process, can derust the metal plate very conveniently and quickly, saves manpower, and enables repeated and efficient utilization of resources.

The invention discloses a thread winding adjustable textile processing device. The device comprises a base. The left side of the top of the base is fixedly provided with a supporting rod. The right end face of the top of the base is internally provided with a guide groove. A guide rod extending left and right is arranged in the guide groove. A sliding supporting rod extending upwards is connected to the guide rod in the guide groove in a sliding fit mode. The opposite sides of the supporting rod and the sliding supporting rod are provided with a first thread winding body and a second thread winding body correspondingly. The supporting rod is internally provided with a first cavity. The first cavity is internally provided with a first rotary shaft extending left and right. A first cone pulley is fixedly arranged on the circumference of the first rotary shaft. The bottom of the right side of the first cone pulley is in engaged connection with a second cone pulley. A rotary sleeve extending rightward is fixedly arranged on the second cone pulley. The extension section of the right side of the rotary sleeve penetrates through the right end face of the supporting rod and is rotatably connected with the supporting rods in a matched mode. The tail end of the rotary sleeve is fixedly connected with the first thread winding body. The thread winding adjustable textile processing device is simple in structure. The length reglation speed is increased. The thread winding stability is improved. The regulation process is simple. The overall working process is accelerated.

The present invention discloses a fire-proof face shield with infrared imaging system. It is formed from two portions of infrared imaging system and fire-proof face shield. Said infrared imaging system is formed from infrared camera consisting of infrared lens and non-refrigerating infrared focal plane array, circuit board, power supply, display screen and magnifying eyepiece. The infrared imaging system and fire-proof face shield are tightly connected and formed into one whole body, so that it has the water-proof, fire-proof, dust-proof and vibration-resisting effects.

The invention relates to a file downloading terminal and a file downloading method. The invention relates to the field of Internet / mobile Internet, and in particular relates to the technical field of high-speed downloading of files. The invention discloses the file downloading method comprising the following steps: S200, an active downloading terminal searches a shared downloading terminal (a passive downloading terminal) in a WiFi environment; S300, the active downloading terminal segments a target downloading file; S500, the shared downloading terminal (the passive downloading terminal) downloads the segmented target downloading file; S700, after completing downloading, the shared downloading terminal (the passive downloading terminal) sends the downloaded portion to the active downloading terminal; and S800, the active downloading terminal collects and gathers the segmented target downloading file, splices the same, and thus completes downloading operation.

The invention discloses a solar cell turning mechanism comprising a front conveying belt and a back conveying belt which are disposed separately. A rotating shaft is arranged between the front conveying belt and the rear conveying belt, a plurality of mounting rods are fixedly connected to the rotating shaft, and one end of each of the mounting rods away from the rotating shaft is fixedly connected to a fixed plate. A clamping column is movably disposed in a placement hole, a power shaft is rotatingly inserted into a rotating slot, and the power shaft is fixedly sleeved with a torsion spring between side walls of the rotating slot. According to the invention, by using the rotating shaft with 360-degree rotation, the turning mechanism does not need to return to an original position after sucking and turning every cell, the working efficiency is improved, the process of turning the cell is accelerated, the solar cell turning mechanism is not affected by the dust of the cell, the cell canbe turned well, the damage to the cell is prevented, the practicability is high, and the solar cell turning mechanism is worth promoting.

The invention relates to the technical field of lead frame processing, in particular to a lead frame surface treatment device based on an integrated circuit, which comprises a supporting seat, a collecting shell is fixedly mounted at the top of the supporting seat, a conveying mechanism is arranged above the collecting shell, and the conveying mechanism is used for conveying a lead frame. Rectangular plates are symmetrically and fixedly installed on the edge of the top of the collecting shell, the two rectangular plates are located on the two sides of the conveying mechanism correspondingly, the tops of the two rectangular plates are jointly and fixedly connected with a first connecting plate, a driving mechanism is arranged at the bottom of the first connecting plate, and an annular shell is jointly and slidably connected to the upper portion between the two rectangular plates. The surface of the lead frame in the middle of the conveying mechanism is subjected to treatment liquid spraying acidizing treatment, when the water tank moves to a specified position and then returns along with the driving mechanism, water in the water tank is conveniently sprayed out of the round holes, and redundant treatment liquid after surface treatment of the lead frame is timely flushed.

The invention discloses a layout method of a turbine blade precision-cast wax-mold ceramic core clamping element. The layout method comprises the following steps that S10, flow simulation analysis is conducted on wax-mold filling process; S20, the dynamic change situation of ceramic stress in the wax-mold filling process is calculated through injection molding simulation; S30, a dynamic drifting displacement field of a ceramic core under the effects of gravity, a first contact collision force, a second contact collision force, a wax material flow acting force and a force moment is calculated through motion simulation; S40, a plurality of monitoring points are selected from the positions of cross sections of blade tips and blade roots of the ceramic core, and position vectors of the multiple monitoring points are obtained in the dynamic drifting displacement field established in the step S30, wherein the displacement of each monitoring point is the difference of the position vectors before and after wax-mold filling process, and the sum of the displacements of the monitoring points is the motion drifting indicating amount of the ceramic core; clamping element layout corresponding to the smallest motion drifting indicating amount is found through a genetic algorithm.

The invention discloses a project engineering initialization method, a terminal device and a storage medium, suitable for initializing data in project development. The method provided by the inventioncomprises the steps of: compiling a script, and executing the script to create a basic engineering file; pre-defining a file template, reading a text content after receiving the text content input bya user, and converting the file template into a user-defined template file according to the text content; and, generating index files for the basic engineering file and the user-defined template file, automatically generating a script warehouse according to the index files, and initializing the script warehouse. According to the project engineering initialization method, the terminal device and the storage medium disclosed by the invention, the problem that the working efficiency is low due to fussy operations of the traditional engineering file initialization, such as adding and consolidation, is overcome; the project initialization efficiency is increased; therefore, the work process is accelerated; and unnecessary resource consumption is reduced.

The invention discloses a carrier-rocket-oriented method for simplifying fluid and solid coupling simulation geometric models. The carrier-rocket-oriented method includes steps of 1), retrieving all components in assemblies and rejecting the components in unqualified shapes; 2), selecting optional one sheet to be used as a center, retrieving surrounding sheets and combining the sheets with the selected sheet to form a closed body; 3), retrieving factors of all the components under the assemblies, selecting geometric features, selecting geometric feature faces by means of feature recognition and labeling or deleting attributes for the geometric feature faces; 4), selecting the geometric features, setting size thresholds, comparing the sizes of the selected geometric features to the size thresholds and rejecting the geometric features which do not conform to requirements; 5), judging whether geometric simplification is used for hydrodynamics profession or not; 6), computing encircling boxes of the components, solving integral shapes of the assemblies and shelling the integral assemblies to obtain geometric shapes of the integral assemblies; 7), selecting updated assemblies, and creating spatial domains so as to complete geometric simplification work oriented to fluid and solid coupling simulation. The geometric feature faces selected by means of feature recognition at the step 3)correspond to the geometric features selected at the step 3).

The invention discloses a visitor reception system based on a two-dimensional code. The visitor reception system comprises a server, a two-dimensional code generating module, a visitor mobile phone, ascanning terminal, an access control system and a foreground client side; the visitor reception system is characterized in that the two-dimensional code generating module, the visitor mobile phone, the scanning terminal, the access control system and the foreground client side are connected with the server separately, when an enterprise and a visitor are dated, staff input visitor information (including the visitor name, the company, the post, the vising aim, the visiting time and the like) into the server through the foreground client side, the two-dimensional code generating module generates the corresponding two-dimensional code according to the visitor information, the server sends the two-dimensional code to the visitor mobile phone, when the visitor visits, the two-dimensional codeis provided for the scanning terminal to be scanned, the scanning terminal sends the two-dimensional code information to the server to be confirmed, and after confirmation, the server feeds back the corresponding visitor information to the foreground client side to be checked by reception staff while controlling the access control system to open a gate.

The invention discloses mechanical electronic part cleaning equipment. The mechanical electronic part cleaning equipment comprises a box body, wherein a material collecting box is arranged in the boxbody, a cleaning liquid mixing box is arranged above the box body, a stirring rod is arranged in the cleaning liquid mixing box, the left side of the cleaning liquid mixing box is connected with a liquid conveying pipe, a spraying pipe is connected below the liquid conveying pipe, and meanwhile, the spraying pipe is located in the box body, a conveying belt is arranged in the box body, through holes are formed in the surface of the conveying belt, moreover, the outer part of the conveying belt is connected with a rolling shaft, the rolling shaft is arranged in the box body, moreover, the outerpart of the rolling shaft is sleeved with a fixing ring, and a sliding block is connected in the fixing ring. According to the mechanical electronic part cleaning equipment, a toothed rod and a connecting rod are used in a matched mode, so that the toothed rod can be conveniently moved and supported, the toothed rod moves to drive two limiting plates to move relatively, the limiting plates slideon supporting rods, so that different electronic parts can be conveniently limited through the limiting plates.

The invention discloses a method for performing automatic correction for circuitry frames; the method can be used in circuitry layout software that is executable in computers; with the help of the program, the invention can determine the line segment crossing and separated parts after the circuitry is rotated; moreover, the invention can automatically correct to form a complete circuitry, so as to increase the convenience in determination and reading of the circuitry, reduce manual inspection programs and accelerate job flows.

The invention discloses a wheel rail type drilling pipe storage device. The device includes multiple sets of drilling pipe storage frames which are vertically parallelly connected, wherein upper surfaces of two vertical ends of the drilling pipe storage frames are provided with a pair of transversely-communicated lengthened guide rails, two ends of the pair of lengthened guide rails stretch out oftwo transverse outer side edges of the drilling pipe storage frames, the pair of lengthened guide rails is provided with a drilling pipe conveying mechanism, a body of the drilling pipe conveying mechanism is a drilling pipe conveying frame, two lower end edges of the drilling pipe conveying frame are respectively provided with a roller unit, the drilling pipe conveying frame slides along the lengthened guide rails through the roller units, and an inner frame of the drilling pipe conveying frame is respectively provided with a control unit, a lifting unit and a grasping unit. The device is advantaged in that modular design is adopted, any quantity combination can be performed according to the demand of quantity of well field drilling pipes, a local manual emergency operation+wireless remote operation control mode is employed, a driller house control interface is further reserved, and remote driller house control can be realized.

The invention discloses a rapid drying fan for workshop ground painting. Wheel frames are fixed to the four corners of the lower surface of a trolley plate, rollers are rotatably connected to the wheel frames through pin shafts, a driving motor is arranged above one side of the trolley plate, a partition board is arranged on the side of the driving motor, the lower end of the partition board is fixed to the upper surface of the trolley plate, the output end of the driving motor is rotatably connected with an output shaft, one side of the output shaft is sleeved with a driven shaft, the outputshaft is a hollow shaft, two grooves are symmetrically formed in the inner wall of the output shaft, two symmetric strip convex strips are arranged on the outer surface of the driven shaft and are embedded in the grooves in the inner wall of the output shaft, one side of the driven shaft penetrates the upper wall of the fan shell and is in bearing rotation connection with the fan shell, the end ofthe driven shaft is fixedly connected with a first conical gear, the lower portion of the first conical gear is engaged with a second conical gear, the center of the lower of the second conical gearis fixedly connected with a rotating shaft, the middle of the rotating shaft is in bearing rotation connection with a holder, a corrugated hose is fixed to the upper portion of the fan shell in a communication manner, and the lower end of the rotating shaft is fixedly connected with an air fan.

The invention provides a novel adjustable type underreaming drill bit used for a well. The drill bit includes a lifting main body, an underreaming wing main body, a bottom plate, a central positioningshaft and a limit main body; the central positioning shaft is coaxially sleeved by the lifting main body; one end of the underreaming wing main body is hinged to the lower side of the lifting main body, and the other end of the underreaming wing main body is hinged to the upper surface of the bottom plate; the lower end of the central positioning shaft vertically and coaxially penetrates throughthe bottom plate; the lower end of the central positioning shaft is coaxially provided with an inserting tip; and the limit main body vertically passes through the lifting main body. By adoption of the underreaming drill bit, the novel adjustable type underreaming drill bit can meet hole expanding requirements of drilling hole diameters of various specifications, enables a work progress of a continuous hole expanding operation to be shortened, enables the service life of the entire underreaming drill bit to be prolonged, and can ensure a good accurate opening angle of an underreaming wing to improve the hole expanding quality and effectively avoid cost loss.

The invention relates to a measuring spoon, in particular to a measuring spoon being adjusted by utilizing magnetic attraction force. One end of a handle (1) is connected with a side face outside the upper end of a cylinder (4); the wall of the cylinder (4) is inlaid with at least one metal bar (5) from up to down; the outer wall of the cylinder (4) is provided with a measuring scale (9); the outer edge face of an adjusting measuring plate (6) is matched with the inner wall of the cylinder (4); the outer edge face of the adjusting measuring plate (6) is inlaid with at least a magnet (7); the adjusting measuring plate (6) is arranged in a cavity (3) of the cylinder (4); and the magnet (7) of the adjusting measuring plate (6) corresponds to the metal bar (5) of the cylinder (4). With the adoption of the measuring spoon being adjusted by utilizing the magnetic attraction force, the adjusting amount plate which can move up and down is arranged in the cylinder (4) and is fixed through the action of the magnet and the metal bar, so that the condition that the object which is taken out is closer to the needed capacity, and the defect that the existing measuring spoon cannot be adjusted or is high in cost can be effectively overcome.

The invention discloses a base for circuit board hole plugging with resin. The base comprises a body with a thickness double of that of common bases. Blind holes corresponding to pores on a circuit board are reserved on the periphery of the upper surface of the body. The depth of each blind hole is half of the thickness of the body. Only one base needs to be made prior to hole plugging, and hole plugging of dense pores on the whole circuit board can be finished with one step. By the base, cost for circuit board hole plugging is reduced effectively, a large amount of manpower and material resources is saved, and operating progress of circuit board hole plugging is accelerated.

The invention discloses a laminating machine for film production and processing, and relates to the technical field of film production. The laminating machine for film production and processing includes a supporting plate; supporting legs are welded and installed at the bottom of the supporting plate; a fixing plate is arranged above the supporting plate; side brackets are welded and installed atthe top of the supporting plate; the free ends of the side brackets are fixedly connected with the fixing plate; a shell is welded and installed on the outer wall of one side of the corresponding sidebracket; the front side of the shell is provided with a sealing door in a hinged mode; a feeding pipe is installed on the outer wall of one side of the shell through a flange; a stirring mechanism isarranged in the shell; a driving mechanism is arranged under the fixing plate; vertical rods are welded and installed at the top of the fixing plate; and the two sets of vertical rods are correspondingly arranged. The laminating machine is convenient to operate so as to adjust the laminating thickness, the device flexibility is advantageously improved, the laminating machine is applicable to laminating of different objects, and the device universality is improved to a certain extent.

The Invention relates to injection molding devices, and in particular relates to an electronic component shell injection molding device. The invention solves the technical problem of providing the electronic component shell injection molding device which can replace the manual labor, can save the time, and is convenient to use. The electronic component shell injection molding device adopts the following technical scheme of comprising a base, a first supporting rod, a second supporting rod, a lower mold, a first check valve, a discharging pipe, a second check valve, and a feeding pipe, whereinthe second supporting rod and first supporting rod are arranged in sequence from left to right on the upper part of the base; the lower mold is arranged on the upper part of the second supporting rod;the upper mold is arranged on the upper part of the lower mold; and a cylinder body is arranged on the upper part of the first supporting rod. The electronic component shell injection molding devicecan achieve the effects of replacing the manual labor, saving the time and being convenient to use. By using the device disclosed by the invention, the manufacture of a plurality of plastic shells canbe quickly completed, a plenty of time of workers is saved, the service life of the manufactured plastic shells is prolonged, the economic benefits of a factory are improved, and the device is rigorous in structure and long in service life.

The invention discloses a suction-block type adjustable measuring spoon, and relates to a measuring spoon. One end of a handle (2) is connected with one side face of the outer part of the upper end of a cup body (8), and a measuring scale (9) is arranged on the outer wall of the cup body. An upward pit (12) is arranged on the bottom surface of the cup body, and a magnet B (10) is arranged in the upward pit of the cup body through a detachment ring (11). At least one suction block is put in a cavity body (7) of the cup body, and the outer edge face of the suction block is matched with the inner wall of the cavity body of the cup body. A magnet A (5) is arranged on the suction block and corresponds to the magnet B on the bottom surface of the cup body. The suction block forms a size adjusting structure for the volume of the cavity body in the cup body. At least one suction block is put in the cup body, and the volume in the cup body is adjusted through the suction block, so that the purpose that the taken-out object is relatively close to the needed volume is realized, and the defects that the current measuring spoon cannot be regulated or the cost is high are effectively overcome.

The invention relates to a bearing abrasion degree detecting and maintaining device for a mechanical manufacturing system. The bearing abrasion degree detecting and maintaining device comprises a mainbody and movable teeth. A first hydraulic rod is arranged on the right side of the inner top end of the main body, and a first operation box is arranged at the bottom of the first hydraulic rod; a first rotating shaft is arranged on the inner lower side of the first operation box, and a polishing head is connected to the bottom of the first rotating shaft. The bearing abrasion degree detecting and maintaining device has the advantages that the first hydraulic rod, the second hydraulic rod, a separation plate and the main body are arranged, the first hydraulic rod is matched with the second hydraulic rod in shape, and the first hydraulic rod and the second hydraulic rod respectively drive a maintaining component and a detecting component at the bottoms thereof to maintain and detect the abrasion degrees of bearings, so that the device can complete detection and maintenance rapidly by one step, it is no need to manually observe the abrasion degrees of the bearings or perform step-by-step work through multiple independent detection devices and maintenance devices, and accordingly, mix-up is avoided.

The invention provides a liquefied petroleum gas loading and unloading pry which comprises a gas path unit and a liquid path unit. A gas inlet of a booster device in the gas path unit communicates with an inlet end of the gas path unit, and a gas outlet of the booster device communicates with an outlet end of the gas path unit; the liquid path unit comprises a loading branch and an unloading branch which are connected in parallel; a first liquid loading valve, a loading gas-liquid separator, a loading mass flow meter and a second liquid loading valve are sequentially arranged on the loading branch; an inlet of the loading branch communicates with a second end opening of the liquid path unit and an outlet of the loading branch communicates with a first end opening of the liquid path unit; a first liquid unloading valve, an unloading gas-liquid separator, an unloading mass flow meter and a second liquid unloading valve are sequentially arranged on the unloading branch; and an inlet of the unloading branch communicates with the first end opening of the liquid path unit, and an outlet of the unloading branch communicates with the second end opening of the liquid path unit. When the liquefied petroleum gas loading and unloading pry is used for loading and unloading LPG, a great number of pipelines do not needed to be mounted on the site, work can be started by connecting corresponding inlet and outlet, and inner line connection is simple, so that mounting workload is reduced, working progress is quickened, and loading and unloading efficiency of LPG is greatly improved.

The invention relates to a motor stator iron core, a manufacturing method of the motor stator iron core and a laminating tool. The motor stator core comprises silicon steel sheets, the silicon steel sheets are stacked, and the edge of the radial outer side of each silicon steel sheet is provided with a groove; the grooves on the silicon steel sheets form through grooves on the radial outer side of the motor stator core, and the through grooves extend along the axial direction of the motor stator core. Through groove colloids are arranged in all the through grooves, or through groove colloids are arranged in part of the through grooves, and all the silicon steel sheets are fixed together under the bonding effect of the through groove colloids. The silicon steel sheets of the motor stator iron core are bonded and fixed through the through groove colloid, and compared with an outer buckle sheet method, the motor stator iron core has the advantage of being simple in installation process; compared with an inner buckle sheet method, elastic buckles do not need to be stamped on the silicon steel sheets, a special stamping die is not needed correspondingly, the method has the advantages of being low in manufacturing cost, convenient and rapid, and compared with a welding method, welding is not needed, and high-temperature deformation of the silicon steel sheets cannot be caused.

The invention discloses a novel water cup, which comprises a base part, wherein a support rod is fixedly arranged at the left side of the top of the base part; a guide connection groove is formed in the right side surface of the top of the base part; a guide connection rod is arranged in the guide connection groove in a leftward and rightward extending way; a slide connection support rod in upward extending arrangement is connected onto the guide connection rod in the guide connection groove in a slide connection matched way; a first stirring body and a second stirring body are respectively arranged at the opposite sides of the support rod and the slide connection support rod; a first hollow cavity is arranged in the support rod; a first rotating rod in leftward and rightward extending arrangement is arranged in the first hollow cavity; a first conical wheel is fixedly arranged on the first rotating rod; a second conical wheel is connected with the bottom of the right side of the first conical wheel in an engaged way; a rotating tube in rightward extending arrangement is fixedly arranged on the second conical wheel; an extending section of the right side of the rotating tube passes through the right side surface of the support rod and is connected with the right side surface of the support rod in a rotary and matched way; the tail end of the rotating tube is fixedly connected with the first stirring body. The novel water cup has the advantages that the structure is simple; the length regulation speed and the stirring stability are improved; regulating steps are simple; the whole work progress is quickened.

The invention discloses a pipetting device suitable for continuous sample adding. The pipetting device comprises a shell, a piston assembly, a pushing device, a sample feeding assembly and a countingassembly, wherein the piston assembly, the pushing device and the sample feeding assembly are arranged in the shell; the sample injection assembly comprises a sample tube, a liquid outlet pump and a liquid eduction tube, the liquid eduction tube is in through connection with a pump opening of the liquid outlet pump, the liquid eduction tube vertically extends out of the shell, the liquid outlet pump is connected to a cover body of the sample tube, and the top of the liquid outlet pump is connected with the push rod; the counting assembly comprises a counter and a touch pressing assembly, the counter is fixed to the shell, the touch pressing assembly is connected to the shell, the counter comprises an outer shell and a counting disc sequence composed of two counting discs, a display windowis formed in the outer shell, a counting button is arranged at the top of the outer shell, and a reset knob is arranged on the right side of the outer shell. The pipetting device is mainly designed for the 96-hole trough plate sample adding process, the error rate can be remarkably reduced, and the accuracy of an operation result is guaranteed.

The invention discloses a portable connector of a lightning arrester. The portable connector comprises a lightning arrester connection rod and a connection head; the connection head comprises an inner steel ring; a soft copper wire is fixedly connected with one end of the inner steel ring; the other end is connected with the lightning arrester connection rod; a plurality of round holes are arranged at the side of the inner steel ring connected to one end of the lightning arrester connection rod; a hoop is sleeved outside the inner steel ring; a compression spring is internally lined in the hoop; a steel ball is arranged between the round hole of the inner steel ring and the hoop, and diameter of the steel ball is greater than that of the round hole. Compared with the prior art, the portable connector is simple in structure, convenient and fast; a work load is reduced, and work efficiency is improved; the portable connector is especially suitable for a situation of dismantling and mounting of the lightning arrester inside a transformer substation cabinet in a test; a work process is quickened, and power failure time is reduced.

The invention relates to the field of fireproof coatings, in particular to an anti-falling preparation device for a flame-retardant material based on a fireproof coating. The technical problem to be solved by the invention is to provide the anti-shedding preparation device for the flame-retardant material based on the fireproof coating. According to the technical implementation scheme, the anti-falling preparation device for the flame-retardant material based on the fireproof coating comprises a fixed frame plate, an elevated plate, a display control screen, a fixed bottom pressing system and the like; and two groups of heightening plates are arranged below the fixed frame plate. Glass fiber cloth is attached to the two sides of fireproof cotton at the same time, the working process is accelerated, meanwhile, the glass fiber cloth coated with fireproof coating does not need to be clamped and transferred, flowing of the fireproof coating is reduced during attaching, the integrity of the fireproof coating on the glass fiber cloth is guaranteed, and the phenomenon of falling in subsequent use is avoided.

The invention discloses a high-efficiency dedusting device. The device includes a base, the left side of the top of the base is fixedly provided with a supporting rod, the right side face of the top of the base is internally provided with a guide chute, the guide chute is internally provided with a guide sliding rod in a left-and-right extending mode, the guide sliding rod in the guide chute is connected with a slide supporting rod in a sliding and matched mode, the slide supporting rod extends upward, the sides, opposite to each other, of the supporting rod and the slide support rod are provided with a first dedusting part and a second dedusting part respectively, a first empty cavity is formed in the supporting rod, the first empty is internally provided with a first rotating rod in a left-and-right extending mode, a first cone pulley is fixedly arranged on the first rotating rod, the bottom of the right side of the first cone pulley is connected with a second cone pulley in a meshedmode, a rotating sleeve is fixedly arranged on the second cone pulley and extending toward the right side, the extending part of the right side of the rotating sleeve penetrates through the right side face of the supporting rod and is connected with the right side face of the supporting rod in a rotating and matched mode, and the tail end of the rotating sleeve is fixedly connected with the firstdedusting part. The device is simple in structure, the length adjusting speed and the dedusting stability are improved, adjusting steps are simple, and the whole working process is accelerated.