30results about How to "Reduce the possibility of turning" patented technology

The invention discloses a direction-adjustable self-closing pressure gauge valve, relates to a pressure gauge, and aims at solving the technical problem that in the prior art, a pressure gauge is inconvenient to disassemble is solved. The key points of the technical scheme are that the device comprises a cylinder connected with an oil tank; an ejector pin is arranged at the end, close to the oil tank, of the cylinder; a through groove communicated with the oil tank is formed in the ejector pin, a flow channel communicated with the through groove is formed in the cylinder, the ejector pin is sleeved with a self-closing assembly used for closing the flow channel, and a pressure gauge used for driving the self-closing assembly to open the flow channel is connected to the side, away from the ejector pin, of the cylinder. When the pressure gauge needs to be disassembled, the pressure gauge is disassembled, the self-closing assembly is used for closing the flow channel and blocking flowing of hydraulic oil, a new pressure gauge is installed on the cylinder, the pressure gauge drives the self-closing assembly to open the flow channel, the hydraulic oil flows again, and use is reduced so that the pressure gauge can be disassembled and assembled conveniently and rapidly.

The invention relates to a surface spraying device and method for automobile brake discs. The surface spraying device comprises a spraying chamber, wherein a spraying robot is arranged in the spraying chamber, supporting tables used for placing the brake discs are arranged above the spraying chamber, a conveying mechanism used for conveying the supporting tables is arranged at the top end of the spraying chamber, and a spraying table is arranged in the spraying chamber; a plurality of rotating rods distributed along a straight line are rotationally connected to the spraying table, a circular-truncated-cone-shaped containing groove is formed in the upper surface of each rotating rod, rotating rings located above the rotating rods are fixedly connected to the spraying table, a sliding block is slidably connected to the inner wall of each rotating ring and slides in the circumferential direction of the corresponding rotating ring, and a buffering table slidably connected with the corresponding sliding block is arranged in each rotating ring; and the bottom end of each buffering table is fixedly connected with a containing block matched with the corresponding containing groove, and the side, away from the spraying table, of each sliding block is fixedly connected with a spring. The surface spraying device and method have the advantages that abrasion between the rotating rods and the supporting tables is reduced, and meanwhile, shutdown is not needed, and the service life of a motor is guaranteed.

The invention belongs to the technical field of mechanical parts, and discloses a high-strength fastener suitable for automobiles. The high-strength fastener suitable for automobiles comprises a screw rod and a screw cap, wherein the screw rod and the screw cap are detachably connected, both the screw rod and the screw cap are provided with insertion holes, the screw rod and the screw cap are connected through an insertion pin, and the insertion pin is inserted into the insertion holes. The screw rod and the screw cap are fixed by inserting the insertion pin into the insertion holes, and the screw rod and the screw cap are inserted and fixed through the insertion pin during normal use; and when the screw rod is damaged, the insertion pin is detached from the insertion holes, so that the screw rod is separated from the screw cap, and the screw cap can be reused. The screw cap can be recycled, so that the manufacturing cost of the high-strength fastener is saved.

The invention discloses a thermomagnetic particle dynamic drying device based on plastic particles, and belongs to the field of plastic production. According to the scheme, through rotation of a modified drying cylinder and in the drying process, the rotating speed of the modified drying cylinder is promoted to be continuously in dynamic changes of increasing, decreasing and increasing; by means of changes of centrifugal force borne by centrifugal balls, a movable sliding sleeve can be promoted to repeatedly slide along a built-in L-shaped supporting rod, so that stirring of plastic particlesin the modified drying cylinder is achieved, and the drying efficiency of the plastic particles is improved; and meanwhile, an elastic connecting rope is promoted to continuously deform, when the elastic connecting rope is stretched, a rubber sealing piece is turned outwards by means of a turning micro-pull rope, and under the action of a traction annular plate, reductive iron powder in the centrifugal balls is promoted to be released and react with oxygen, so that on one hand, the drying effect on the plastic particles is improved by means of heat generated in the reaction process, and on theother hand, the possibility that the plastic particles are oxidized can be reduced by means of oxygen consumption.

The invention discloses an energy-saving type concrete pouring and curing device and a using method. The energy-saving type concrete pouring and curing device comprises a base, a mounting base mounted at the top of the base and a spray head mounted above the mounting base. A water tank is mounted on the base, a water pump is mounted in the water tank, the spray head is connected with the water pump through a hose, a supporting plate is fixedly connected to the bottom of the mounting seat, a horizontal shaft is rotationally connected to the base, the horizontal shaft is fixedly connected to one end of the supporting plate, and a driving motor is mounted on the base; an output shaft of the driving motor is fixedly connected to one end of the horizontal shaft; a supporting assembly used for supporting the supporting plate is installed on the base. According to the invention, energy waste can be reduced.

The invention relates to the field of weak current wiring engineering, and especially relates to a device facilitating video monitoring line wiring, and a construction method thereof. The device comprises a plurality of connecting plates connected end to end, the connecting plates are connected to one side of a wall, mounting blocks are detachably connected to the connecting plates, mounting grooves are formed in the sides, away from the connecting plates, of the mounting blocks, and the mounting grooves are through grooves; a mounting sleeve is rotationally connected into each mounting groove, the mounting sleeves rotate with the length axis direction of the mounting grooves as the circle center, a wire inlet is formed in each mounting sleeve, the wire inlets are arranged in the length direction of the mounting sleeves, and driving assemblies for driving the mounting sleeves to rotate are arranged on one sides of the mounting blocks. According to the invention, the installation of the video monitoring line is facilitated.

The invention relates to an efficient zinc plating and rack plating production line, and relates to the technical field of workpiece zinc plating. The production line comprises a rack plating pool, a hanging tool arranged outside the rack plating pool and used for mounting a workpiece, a hoisting frame arranged outside the rack plating pool and a hoisting mechanism arranged on the hoisting frame and used for hoisting the hanging tool, and a shaking assembly used for shaking a product is arranged on the hanging tool. When the workpiece is galvanized, the workpiece is firstly fixed on the hanging tool, then the hanging tool is fixed with the hoisting mechanism, the hanging tool is hoisted by the hoisting mechanism and conveyed to the position above the rack plating tank, then the hanging tool is completely soaked in a solution in the rack plating tank, and when the workpiece is soaked in the solution, the workpiece is driven by the shaking assembly to shake in the solution, so that the workpiece is completely galvanized. Therefore, the workpiece is in full contact with the solution in a short time, so that the soaking time of the workpiece in the solution is shortened, and the electroplating efficiency of the workpiece is improved.

The invention relates to an expressway bridge medial strip anti-falling safety facility, which belongs to the technical field of expressway safety facilities. The expressway bridge medial strip anti-falling safety facility comprises two concrete guardrails which are oppositely arranged, a safety protection net is arranged between the two concrete guardrails, a plurality of transverse reinforced ropes and a plurality of longitudinal reinforced ropes are arranged below the safety protection net, and all the transverse reinforced ropes and all the longitudinal reinforced ropes are mutually fixed; thickened side ropes are fixed to the two sides, close to the concrete guardrails, of the safety protection net and the two ends, close to the concrete guardrails, of the transverse reinforced ropes, the opposite side walls of the two concrete guardrails are each fixedly provided with a row of hooks, the thickened side ropes are hung on the row of hooks, and each hook is provided with an anti-unhooking mechanism used for preventing the thickened side ropes from being separated from the hooks. The facility has the effects of improving the road traffic safety and preventing and reducing the falling accidents of the expressway bridge medial strip.

The invention discloses a water drainage type prefabricated pile convenient to construct and a construction method of the water drainage type prefabricated pile. The water drainage type prefabricatedpile has the design points of comprising an inner pile, an outer shell and a pile tip, wherein the outer shell comprises a protruding part and a matching part; the matching part is adaptive to the shape of the inner pile; the internal shell is provided with a plurality of bulges which extend vertically; a protruding space formed between the bulges of the outer shell and the inner pile is used as an upright water drainage channel; a plurality of water permeation holes are formed in the protruding part, and then water can infiltrate into the protruding space from the protruding part; the pile tip is arranged at the lower part of the inner pile; an annular protruding platform is arranged at the lower part of the inner pile; the pile tip is a circular cone body; an annular groove matched withthe protruding platform in a radial direction is arranged at the upper part of the pile tip; spiral bulges which rise in an inclined direction are formed outside the pile tip. By adopting the water drainage type prefabricated pile convenient to construct and the construction method of the water drainage type prefabricated pile, a function of preventing ambient pile soil from liquidation under an earthquake working condition is achieved, and easiness in construction is achieved.

The application relates to an LCD electric detection test device, which comprises a base and a gland, the upper surface of the base is provided with an insulating cushion layer for placing an LCD product and a first conductive adhesive tape for abutting against a connecting terminal of the LCD product, the lower surface of the insulating cushion layer is provided with a supporting plate, and the supporting plate is slidably connected to the base. The sliding direction of the supporting plate and the height direction of the base are arranged in the same direction; and a positioning mechanism for positioning the supporting plate is arranged between the supporting plate and the base. The gland is connected to the upper portion of the base in a flip mode, a pressing strip is installed on the side, facing the base, of the gland, a second conductive adhesive tape is bonded to the side, facing the base, of the pressing strip, and when the gland is pressed on the base, the first conductive adhesive tape and the second conductive adhesive tape are attached to each other. The LCD electric detection test device can be suitable for front-mounted and back-mounted LCD products at the same time, the possibility of tilting of the LCD products during electric detection test is reduced, and then the compatibility of the LCD products and the accuracy of electric detection test results are improved.

The invention discloses an anemometer structure, which relates to the technical field of anemometers. The key point of the technical solution is to include a measuring device, which includes a base, a cover and a plurality of anemometers; each anemometer includes a fan and a test host; A plurality of first horizontal plates are fixedly connected to the inner peripheral surface, and a connecting block is fixedly connected to one side of each fan housing, and the connecting block is slidably connected to one side of the first horizontal plate; a driving mechanism is installed in the base; the driving mechanism It includes a support plate, a first lead screw, a drive block, and a drive assembly installed on the base for driving the first lead screw to rotate; each connecting block and the drive block are respectively provided with a first slope on the inner side, and the support plate is installed for A guide assembly for guiding the drive block, a first reset assembly for driving the connection block to reset is installed on the first horizontal plate. The invention facilitates simultaneous measurement of a plurality of measurement points by arranging the measurement device, thereby improving the measurement accuracy of the wind speed at the tuyere.

The invention discloses a device for producing a capacitor and a production process, and particularly relates to the field of capacitor production equipment.The device for producing the capacitor comprises a workbench, a first placing component, a second placing component, a rotating disc and a driving component for driving the rotating disc to move, the first placing component is used for placing a core package, and the second placing component is used for placing a core package; the second placing component is used for placing a cover plate, at least one working plate is arranged on the turntable, the working plate is clamped with the turntable, and a plurality of caulking grooves are formed in one side, far away from the turntable, of the working plate and are used for placing a shell. According to the equipment for producing the capacitors, the plurality of shells can be conveniently placed through the caulking grooves, so that the plurality of capacitors can be conveniently assembled at the same time, the assembling time is shortened, and the production efficiency of the capacitors is improved.

The invention relates to an uplift pile convenient to install. The uplift pile comprises a plurality of connecting columns, a connecting mechanism is arranged between every two adjacent connecting columns, the bottom of each connecting column is fixedly provided with a connecting circular truncated cone, the top of each connecting column is provided with a connecting groove used for being connected with the adjacent connecting circular truncated cone in an inserted mode, the connecting mechanisms comprise first sliding grooves, pressing pieces, second sliding grooves and sliding pieces, abutting assemblies used for driving the sliding pieces to move towards the sides close to the connecting circular truncated cones are arranged between the pressing pieces and the sliding pieces, third sliding grooves penetrating through the second sliding grooves upwards are formed in the bottom faces of the second sliding grooves, inserting pieces are arranged in the third sliding grooves in a vertical sliding mode, first springs are fixed at the bottoms of the inserting pieces, the bottom ends of the first springs are fixedly connected with the bottom surfaces of the third sliding grooves, firstmounting through holes allowing the inserting pieces to penetrate therethrough are formed in the tops of the sliding pieces, and the sides, close to the connecting circular truncated cones, of the first mounting through holes are fixedly provided with inserting blocks inserted into the sides, close to the connecting circular truncated cones, of the inserting pieces. According to the uplift pile, the fixing effect of a pile body is improved.

The invention relates to a reinforced formwork for water conservancy construction engineering. The reinforced formwork comprises two reinforcing plates which are oppositely arranged. Fixing devices used for fixing the reinforcing plates are correspondingly arranged on the two sides of the reinforcing plates, and the fixing devices comprise box bodies; threaded pipes are rotationally mounted in the box bodies; first lead screws are in threaded connection in the threaded pipes; first fixing assemblies used for abutting against the reinforcing plates towards the side close to the box bodies are arranged at the ends, close to the reinforcing plates, of the first lead screws; second lead screws penetrate through the sides, close to the reinforcing plates, of the box bodies; second fixing assemblies used for abutting against the reinforcing plates towards the sides away from the box bodies are arranged at the ends, away from the box bodies, of the second lead screws; driving mechanisms used for driving the second lead screws to move are arranged between the second lead screws and the first lead screws; and power assemblies used for driving the threaded pipes to rotate are arranged on the side walls of the box bodies. The reinforced formwork for water conservancy construction engineering has the effect of reducing perforated holes in a concrete wall body.

The invention discloses a drainage type prefabricated pile which is convenient for construction and a construction method thereof. The shape of the inner pile body is adapted, and the outer casing is provided with several vertically extending protrusions, and the protrusion space formed between the protrusions of the outer casing and the inner pile body is used as a vertical drainage channel; the protrusions are provided with a number of permeable holes, In order to make the water infiltrate into the protrusion space from the protrusion; the lower part of the inner pile body is provided with a pile point, and the lower part of the inner pile body is provided with a ring-shaped protruding platform; The annular groove is provided with an obliquely rising spiral protrusion on the outside of the pile tip. The drainage type prefabricated pile and the construction method thereof, which are convenient for construction, can prevent the liquefaction of the soil around the pile under earthquake conditions, and are easy to construct.

The invention belongs to the technical field of three-dimensional (3D) printing, and particularly relates to a magnetic force assisted molding three-dimensional hollow printing system. The magnetic force assisted molding three-dimensional hollow printing system comprises a three-dimensional printer, wherein the three-dimensional printer comprises a supporting platform, an X-axis guide rail, a Y-axis guide rail, a Z-axis guide rail, an operating module and a spray head; a spray nozzle is arranged at the bottom end of the spray head; an electromagnet No. 1 is fixed to the top end of the supporting platform; two support frames are fixed to the top end of the supporting platform; an electromagnet No. 2 is fixed between the two support frames; a circular groove is formed in the top end of the supporting platform; and a rotary ring is movably arranged in the circular groove. According to the magnetic force assisted molding three-dimensional hollow printing system, a product is located through an electromagnet No. 3 and an electromagnet No. 4 which are rotary, so that the product is fixed, and thus, the possibility of product rotation is reduced; and the product is fixed, so that when theprinting system performs hollow printing, the printing system is relatively accurate, the printed product is more up to standard, and thus, the three-dimensional printing efficiency is improved.

This application relates to a high-efficiency galvanized rack plating production line, and relates to the technical field of workpiece galvanizing; including a rack plating pool, a hanger arranged outside the rack plating pool for installing workpieces, and a lifting frame arranged outside the rack plating pool And the lifting mechanism that is set on the lifting frame and used for lifting the hanger. The hanger is equipped with a shaking component for shaking the product; when the workpiece is galvanized, the workpiece is first fixed on the hanger, Then fix the hanging device with the lifting mechanism, use the lifting mechanism to lift the hanging device and lift the hanging device to the top of the hanging plating tank, and then completely soak the hanging device in the solution in the hanging plating tank, when the workpiece is soaked in the solution During the process, the workpiece is driven to shake in the solution by the shaking component, so that the workpiece is fully in contact with the solution in a short time, thereby reducing the soaking time of the workpiece in the solution and improving the electroplating efficiency of the workpiece.

The invention relates to the field of medical instruments used in orthopedics departments and in particular relates to a femoral stem prosthesis which comprises an upper end and a lower end, wherein the upper end and the lower end are mutually connected; the lower end is used for fixing the position of the femoral stem prosthesis; a bulge is arranged on one side of the upper end; and a baffle plate which is in contact with an intertrochanteric fracture part is arranged on the other side of the upper end. Effects that intertrochanteric fracture is repaired, times and rates of complications arereduced and the success rate of operations is increased, are achieved.

The application relates to an easy-to-install uplift pile, which includes a plurality of connecting columns; a connecting mechanism is arranged between two adjacent connecting columns; a connecting round table is fixed at the bottom of each connecting column, and a There is a connecting slot for plugging in with the adjacent connecting round platform; the connecting mechanism includes a first chute, a pressing piece, a second chute and a sliding piece; a drive for driving the sliding piece is provided between the pressing piece and the sliding piece. The pressing component that moves toward the side close to the connecting round platform; the bottom surface of the second chute is provided with a third chute that penetrates upwards through the second chute, and a plug-in piece is installed in the third chute along vertical sliding; the plug-in piece The bottom is fixed with the first spring, and the bottom end of the first spring is fixedly connected with the bottom surface of the third chute; the top of the sliding part is provided with a first installation through hole for passing through the connector, and the first installation through hole is close to the side of the connecting round platform An inserting block for inserting with the connector close to the side of the connecting round table is fixed. The application improves the fixing effect of the pile body.

The invention relates to a bending machine which comprises a machine body, a workbench is arranged on the machine body, a bending knife is arranged above the workbench, an outward extending plate is rotationally connected to the workbench, the direction of the rotating axis of the outward extending plate is parallel to the length direction of the bending knife, and a rotating angle limiting device is arranged on the outer side of the workbench. The rotation angle limiting device comprises two semicircular protractors, the straight line edges of the semicircular protractors are connected with the outer side of the workbench in the vertical direction, the rotation axis of the outward extending plate penetrates through the circle centers of the semicircular protractors, the opposite sides of the two semicircular protractors are rotationally connected with baffles respectively, and the rotation axes of the baffles penetrate through the circle centers of the semicircular protractors. Each semicircular protractor is provided with a fastening device for fixing the baffle at any angle of the semicircular protractor, an air cylinder is rotationally connected to the outer side of the workbench and located below the outward extending plate, and a piston rod of the air cylinder is rotationally connected with the lower surface of the outward extending plate. The bending machine has the effect of reducing the working intensity of operators.

The invention discloses a lifting type pressure relief well lid, and relates to the technical field of well lids. The lifting type pressure relief well lid comprises a pipe body and a well lid body which is located in the pipe body and plays a role in sealing the pipe body, the well lid body is connected with the pipe body through an annular groove, a guide column in the pipe body direction is arranged on the lower end face of the well lid body in the pipe body, a fixing block located in the pipe body and slidably connected with the guide column is arranged on the outer side of the guide column, the fixing block is fixedly connected with the inner wall of the pipe body, and a sliding groove in the vertical direction is formed in the fixing block. According to the lifting type pressure relief well lid, the probability that the well lid is ejected out or displaced under water flow pressure is reduced, when the well lid is ejected out by water flow, the well lid can be reset, the probability that the well lid is lost is reduced, the well lid is convenient to mount and dismount, and meanwhile a unit to which the well lid belongs can know the real-time condition of the well lid at the first time.

The invention discloses a wall grooving device for a building and a grooving method thereof, and relates to the technical field of wall building construction equipment.The wall grooving device comprises a vehicle body, a mounting column is arranged on the vehicle body, a connecting block is mounted in the mounting column, a rotating shaft is rotatably mounted in the connecting block, one end of the rotating shaft extends into the connecting block, and the other end of the rotating shaft extends into the mounting column; one end of the rotating shaft is connected with the connecting block, the other end of the rotating shaft extends out of the connecting block, a limiting mechanism used for limiting the rotating shaft is arranged in the connecting block, a guide column is installed at the end, away from the connecting block, of the rotating shaft, and a grooving machine is installed in the guide column. The construction method has the effect that a constructor can conveniently form grooves with different inclination angles in a wall body.

The invention relates to the field of building construction, in particular to a grouting anchor rod structure. The grouting anchor rod structure comprises an anchor rod body, a grouting channel is formed in the anchor rod body, a plurality of grouting holes communicating with the grouting channel are formed in the anchor rod body, and the anchor rod body is connected with a reserved hole formed in the ground in an inserted mode. A connecting hole communicating with the grouting channel is inwards formed in the outer wall of the anchor rod body, an abutting rod is slidably inserted into the connecting hole, and the abutting rod is connected with an abutting assembly which enables the end, away from the grouting channel, of the abutting rod to be inserted into soil. The invention further discloses a using method of the grouting anchor rod. The grouting anchor rod structure has the effect of improving the stability when the anchor rod body is fixed.

The invention discloses a hydraulic transport vehicle, which relates to a transport vehicle and aims to solve the technical problem that the oil drum needs to be tilted when carrying the oil drum in the prior art and the operation is inconvenient. The key points of the technical solution include moving the base and setting On the frame on the mobile base, there is a positioning component on the frame, a power component on the mobile base, and a fixed component on the power component; when it is necessary to transport the oil drum, roll the oil drum to the The component drives the fixed component to move to both ends of the oil drum. The fixed component touches the end wall of the oil drum to clamp the oil drum. The power component drives the oil drum and the fixed component to move to the side of the positioning component, and finally installs the oil drum on the On the positioning component, the positioning component fixes the end wall of the oil drum, and the oil drum is fixed by the fixing component and the positioning component, so that the oil drum can be transported smoothly, which can replace the working method of the worker lifting one end of the oil drum and improve the operation efficiency Convenience, easy to move oil drums.

The invention discloses a high-safety virus detection device, and belongs to the technical field of medical detection devices.The high-safety virus detection device comprises a bayonet socket, a limiting frame and a bayonet slot formed in the bayonet socket, the bayonet socket is provided with a positioning mechanism, the positioning mechanism comprises a positioning plate, the positioning plate is fixedly connected with a rotating shaft, and the rotating shaft is rotationally connected to the side wall of the inlet end of the bayonet slot; the side wall of the inlet end of the inserting groove is fixedly connected with a baffle, and the positioning plate abuts against the baffle. The device has the advantages that a worker can conveniently insert the limiting block into the inserting groove in the inserting base, and therefore the work intensity of the worker is reduced.

The application relates to a surface spraying device and a spraying method for automobile brake discs. The device includes a spraying room. A spraying robot is arranged in the spraying room. The transportation mechanism for transporting the support table, the spraying room is equipped with a spraying table, and the spraying table is connected with a number of rotating rods distributed along a straight line. The inner wall of the rotating ring is slidably connected with a slider, and the slider slides along the circumferential direction of the rotating ring. A buffer table for sliding connection with the slider is provided in the rotating ring, and the bottom end of the buffer table is fixedly connected with a The housing block is fixedly connected with a spring on one side of the slide block away from the spraying table. The application has the effect of reducing the wear between the rotating rod and the supporting platform, and at the same time does not need to stop the machine, thereby ensuring the service life of the motor.

The invention relates to the technical field of security and protection monitoring, in particular to smart city security and protection monitoring equipment based on big data. The smart city securityand protection monitoring equipment based on big data comprises a mounting plate, and two symmetrically distributed mounting holes are formed in the upper surface of the mounting plate. According to the smart city security and protection monitoring equipment based on big data, when a monitor body is mounted, the mounting plate is placed on the surface of an object needing to be mounted, a clampingplate is attached to the mounting plate, then a folded plate is rotated and moved, the folded plate is attached to the other side of the object, the object is fixed through nuts, and therefore mounting of the device is completed. Operation is convenient and fast, supports and the like do not need to be additionally assembled, and the practicality of the device is improved. Heat radiation groovesare formed in the two sides of the monitor body, a plurality of evenly distributed heat radiation holes are formed in the heat radiation grooves, and therefore the heat radiation effect of the deviceis improved, and the service life of the device is prolonged; and by means of the cooperation of a filtering screen and a magnet strip, dust entering the monitor body through the heat radiation holesis reduced, and the service life of elements in the monitor body is prolonged.

The present invention discloses a wind speed measuring structure, pertaining to the technical field of anemometers. The structure comprises a measuring device. The measuring device comprises a base, acover body, and multiple anemometers. Each anemometer comprises fans and a test host. The inner peripheral surface of the base is fixedly connected with multiple first horizontal plates, one side ofthe shell body of each fan is fixedly connected with a connecting block, and each connecting block is slidably connected to one side of the corresponding first horizontal plate. The base is provided with a driving mechanism. The driving mechanism comprises a support plate, a first lead screw, a driving block and a driving component arranged at the base and used for driving the first lead screw torotate. The opposite inner side of each connecting block and the driving block is provided with a first inclined surface separately, the support plate is provided with a guiding component used for guiding the driving block, each first horizontal plate is provided with a first reset component used for driving the corresponding connecting block. According to the structure, by arranging the measuringdevice, the measurement on multiple measuring points is convenient at the same time, and thus the measuring precision of the wind speed of a wind gap is improved.