68results about How to "Move up and down flexibly" patented technology

The invention relates to a testing system for deep soil freezing / thawing process, which is structurally characterized in that a temperature-controlled box is connected with an external cold bath; a high pressure-resistant organic glass cylinder is arranged on a temperature-controllable steel base; two small holes are formed in the base, one is connected with a water guide pipe, and the other is connected with a pressure adjusting pipe; a permeable stone, a piece of filter paper and a sample are sequentially arranged at the upper part of the lower base, and a temperature sensor is mounted in the sample; a temperature-controllable upper press head is arranged at the upper part of the sample; a line leading-out hole is formed in the upper press head, and is sealed through sealant after the line is lead out; the upper press head is connected with the transmission rod of a testing machine; a measuring cylinder is connected with the sample through the water guide pipe; and the measuring cylinder is arranged on a weighing sensor and fixed through a bracket. By adopting the testing system, the freezing / thawing process of the deep soil can be rather systematically researched, so as to obtain the frost heaving rate and the water absorbing / draining rate of the deep soil which is in different depths frozen under the different temperature gradients. The testing system provides the technical guarantee for the research in clarifying the action of the external load on the forming processes of the freezing soil and the frozen soil cold-formed structures, and the mutual action of the temperature, the moisture content and the pressure of the soil body in the process of freezing under the high-pressure action.

The invention relates to a magnetic control type steaming / boiling variable electric cooker which comprises a cooker body, a cover body, a cooker shell, a control panel and a power supply socket, wherein the cover body can close the cooker opening; an electric heating tray, a control circuit board and a temperature control sensor are arranged in the cooker shell; and the control panel and the power supply socket are arranged on the cooker shell. The invention is characterized by also comprising a filter frame which can be arranged in the cooker body; the side wall of the filter frame is provided with a magnetic block; a lifting magnet block, which is actuated with the magnetic block on the side wall of the filter frame in the cooker body and can operate up and down, is arranged outside thecooker body; and the filter frame in the cooker body can synchronously move up and down along with the lifting magnet block outside the cooker body. The magnetic control type steaming / boiling variable electric cooker has the advantages of scientific design, reasonable structure, reliable movement and high safety. The filter frame arranged in the cooker body can flexibly move up and down under thecontrol of the control circuit according to needs. The magnetic control type steaming / boiling variable electric cooker can conveniently switch between two heating modes, i.e. boiling and steaming. Ifthe cooker is provided with a corresponding computer operation control program, the raw material and water can be mixed or solid food and liquid food can be separated in due time, so that the cooker can be used for automatically steaming or boiling various foods.

The invention discloses an internal washing machine for barreled water barrels. The internal washing machine comprises a rack, and also comprises an internal washing machine barrel feeding mechanism, an internal washing conveying chain mechanism, a water circulation system, lifting frames, an internal washing machine barrel discharge mechanism, a chain lifting mechanism and a liftable barrel pressing mechanism, wherein the internal washing machine barrel feeding mechanism, the internal washing conveying chain mechanism, the water circulation system, the lifting frames, the internal washing machine barrel discharge mechanism, the chain lifting mechanism and the liftable barrel pressing mechanism are arranged on the rack; the internal washing machine barrel feeding mechanism, the internal washing conveying chain mechanism and the internal washing machine barrel discharge mechanism are arranged in sequence along a barrel conveying direction; the water circulation system is arranged below the internal washing conveying chain mechanism; the chain lifting mechanism is arranged at the top part of the rack; the barrel pressing mechanism is arranged above the internal washing conveying chain mechanism; the water circulation system comprises internal washing machine sprayers; the internal washing machine sprayers are respectively and fixedly arranged on the lifting frames; the lifting frames are fixedly connected with the chain lifting mechanism; the lifting frames are arranged below the internal washing conveying chain mechanism. The internal washing machine disclosed by the invention is skillful in design and reasonable in structure; the barrels are washed by multi-station high-pressure water, so the washing efficiency is high, and the washing effect is good; by adopting the novel chain lifting mechanism, the sprayers can vertically shift flexibly in the barrels, and therefore a better washing effect is achieved, and the fault rate is low.

The embodiment of the invention provides an electronic expansion valve, which comprises an outer cover provided with a valve cavity, a valve seat provided with a valve seat cavity, a nut, a screw rod and a valve needle, wherein the outer cover is fixed on the valve seat; the upper end of the nut is positioned in the valve cavity and the lower end of the nut is fixed on the valve seat; the screw rod is inserted into the nut and is in transmission connection with an internal thread on the upper end part of the nut; the lower end of the valve needle is positioned in the valve seat cavity and the upper end of the valve needle is slidably arranged in a guide hole on the lower end part of the nut; the screw rod is connected with the valve needle and drives the valve needle to slide in the guide hole; at least one first through hole for communicating the valve cavity with the guide hole is formed on the nut; and at least one thread channel for communicating the valve seat cavity with the guide hole is formed on the inner surface of the guide hole or the side surface of the valve needle. The thread channel is formed to communicate the valve cavity with the valve seat cavity, so that the valve needle flexibly moves up and down; therefore, the reliability of the electronic expansion valve is improved.

The invention relates to a magnetic control type steaming / boiling variable electric cooker which comprises a cooker body, a cover body, a cooker shell, a control panel and a power supply socket, wherein the cover body can close the cooker opening; an electric heating tray, a control circuit board and a temperature control sensor are arranged in the cooker shell; and the control panel and the power supply socket are arranged on the cooker shell. The invention is characterized by also comprising a filter frame which can be arranged in the cooker body; the side wall of the filter frame is provided with a magnetic block; a lifting magnet block, which is actuated with the magnetic block on the side wall of the filter frame in the cooker body and can operate up and down, is arranged outside the cooker body; and the filter frame in the cooker body can synchronously move up and down along with the lifting magnet block outside the cooker body. The magnetic control type steaming / boiling variable electric cooker has the advantages of scientific design, reasonable structure, reliable movement and high safety. The filter frame arranged in the cooker body can flexibly move up and down under the control of the control circuit according to needs. The magnetic control type steaming / boiling variable electric cooker can conveniently switch between two heating modes, i.e. boiling and steaming. If the cooker is provided with a corresponding computer operation control program, the raw material and water can be mixed or solid food and liquid food can be separated in due time, so that the cooker can be used for automatically steaming or boiling various foods.

Provided is an intelligent wall tile attaching robot. The robot comprises a pipe head assembly, a bottom plate, four wheels, four first stepping motors, four wheel carriers, four first servo motors, a cement pump, a cement storage box, a tile storage box and the like. By the adoption of technical scheme, the intelligent wall tile attaching robot has the advantages that the robot moves up, down, left and right flexibly through a movable tile box assembly designed specially, and a mechanical arm and a vacuum chuck which have ultrahigh flexibility are adopted to grasp tiles, which is safe, efficient and stable in work; cement can be evenly spread on a wall through a special cement spreading tool, which greatly improves the attachment quality; the tile storage box is arranged, meanwhile tiles are added into the movable tile box assembly through the mechanical arm, the cement storage box is arranged, and meanwhile cement is added into the cement spreading tool through the cement pump, which greatly liberates the manpower and improves the work efficiency.

The invention discloses a portable water level and water temperature measurement instrument, which comprises a lower casing (1) and an upper casing (2), wherein the bottom of the lower casing (1) is provided with a water inlet (3), a floater (4) is arranged inside the lower casing (1), the top of the floater (4) is embedded with a permanent magnet (5), the upper part of a cavity of the floater (4) is provided with exhaust holes (6), the lower casing (1) and the upper casing (2) are connected through screw threads (7), the lower part of the upper casing (2) is provided with a temperature sensor (8) and a reed pipe (9), the temperature sensor and the reed pipe are connected in series in a circuit, a circuit assembly (14) comprises a microcomputer controller (15), a luminescent tube (16), a buzzer (17) and a liquid crystal display (18), when the floater (4) meets water and upwards floats, the reed pipe (9) is controlled by a magnetic field of the magnet (5), the circuit is started, sound and light prompt is given out, meter ruler scale values on a cable (10) are read, and the water level value and the temperature value on the liquid crystal display are obtained.

The invention relates to the technical field of automobiles, in particular to an automotive fuel pump vibration test fixture comprising a base plate, a supporting arm arranged on the base plate and a supporting plate used for supporting a pump. The supporting plate is fixed to the supporting arm. The fixture further comprises a bottom flange which is fixed to the supporting arm for supporting the pump and a top flange fixing the pump. The supporting plate is capable of moving on the supporting arm vertically, and different pump sample installation requirements can be met; the flange includes the bottom flange used for supporting the pump sample and the top flange used for fixing the pump sample to the bottom flange; installation and usage of majority of oil pumps produced currently can be met, and the economic benefit is considerable.

The invention discloses a processing production device. The device is used for metal plate processing and at least comprises a machining table, a guide rail, multiple clamping parts, a drive mechanism and a machining part; the guide rail is horizontally mounted on the machining table, the multiple clamping parts are sequentially distributed in the length direction of the guide rail, and are mounted on the guide rail, and the clamping parts are used for clamping a metal plate; the drive mechanism is used for driving the clamping parts to move in the length direction of the guide rail, the machining part comprises a mounting frame, a first power unit, a second power unit, a mounting block and multiple machining units, the first power unit is mounted on the mounting frame, the first power unit is used for driving the second power unit to vertically move, the second power unit is used for driving the mounting block to rotate, multiple mounting holes penetrating the lower surface of the mounting block are formed in the mounting block, the machining units are in one-to-one correspondence to the mounting holes, and each machining unit comprises a mounting rod, an elastic piece and a wear-resisting ball; the mounting rods are arranged in the mounting holes.

The invention relates to a loading and unloading vehicle and particularly relates to the loading and unloading vehicle suitable for rapidly replacing a battery box of a pure electric vehicle. A height regulating mechanism is connected on an outer vehicle body, a movable box body is arranged on the height regulating mechanism and rolling wheels are respectively arranged on the periphery of the movable box body; and baffle plates of the movable box body are respectively arranged on the two sides of the upper end of the movable box body, a push-pull rod is connected on the outer vehicle body, side baffle plates of the outer vehicle body are respectively arranged on the two sides of the outer vehicle body, and wheels are arranged at the bottom of the outer vehicle body. The loading and unloading vehicle can control the movable box body to move up and down, the height can be regulated flexibly, electricity utilization is not required, the loading and unloading vehicle is suitable for the electric vehicles in different types, the structure is simple, the operation and the maintenance are convenient, and the loading and unloading vehicle can be used for transportation of batteries of theelectric vehicles in different heights, realize the rapid loading and unloading of the power battery box and improve the stability of the whole vehicle. The product according to the invention can push the large-scale commercial development of the pure electric vehicles and further has social and economic benefits with better prospects.

The invention relates to an excavator transport towing vehicle. The excavator transport towing vehicle is characterized in that load-carrying solid-core tires with steel wire meshes are arranged at an end of a caterpillar of an excavator, and an integral bracket is arranged between the load-carrying solid-core tires with the steel wire meshes via steel plates by means of stamping and welding; steel rings are arranged on the inner sides of the load-carrying solid-core tires with the steel wire meshes, bearing hubs are arranged in the steel rings, central spindles are arranged inside the bearing hubs, and load-carrying bearings are arranged on the outsides of the central spindles; central spindle safety covers are arranged at the outer ends of the central spindles; hub and steel ring bolts are arranged at the peripheries of the central spindle safety covers. The excavator transport towing vehicle has the advantages that wheels are mounted on the caterpillar, and accordingly the excavator can be transported by the aid of the engineering transport vehicle, can move fast and safely and is convenient to mount without additional special excavator transport trucks or other equipment; the excavator can particularly flexibly move up and down in rugged lands, and accordingly the excavator transport and service range can be expanded.

The invention relates to a double-action safety gear lifting mechanism. The double-action safety gear lifting mechanism comprises a first elevator double-action safety gear, a second elevator double-action safety gear, a first brake rod, a second brake rod, a lifting rod, a balance beam and a rope end connecting rod, wherein the first elevator double-action safety gear and the second elevator double-action safety gear are in left-right symmetry, one end of the first brake rod is inserted into the first elevator double-action safety gear, the other end of the first brake rod is rotatable connection with one end of the balance beam, one end of the second brake rod is inserted into the second elevator double-action safety gear, the other end of the second brake rod is in rotatable connection with the other end of the balance beam, one end of the lifting rod is rotatably connected with the middle of the balance beam, and the other end of the lifting rod is connected with one end, arranged on the lateral side of the second elevator double-action safety gear, of the rope end connecting rod. The double-action safety gear lifting mechanism is simple in structure, low in manufacturing cost and high in cost performance.

The invention relates to the technical field of mechanical hands, in particular to a mechanical hand with a balance cylinder. The mechanical hand comprises a fixing rack and a first-stage movable arm arranged on the fixing rack in a penetrating manner; the first-stage movable arm is connected to a Z-axis transmission mechanism for driving the first-stage movable arm to move up and down; the fixing rack is provided with the balance cylinder; the end part of a piston rod of the balance cylinder penetrates the fixing rack to be fixedly connected with the first-stage movable arm. When being applied to an injection molding machine, the mechanical hand with the balance cylinder provided by the invention is suitable for driving and controlling first-stage movable arms in different sizes and quality to move up and down; as the balance cylinder is arranged, on one hand, the loading of the Z-axis transmission mechanism is reduced, so that the energy consumption of the Z-axis transmission mechanism is reduced; on the other hand, the Z-axis transmission mechanism can relatively flexibly and freely drive and control the first-stage movable arm to move up and down.

The invention relates to a material gathering unit, which comprises a charging basket (9) and a briar dressing device; wherein, the charging basket (9) has one or more, each charging basket is provided with a cone-shaped collection port (18) which runs through two lateral surfaces of the whole charging basket, one end table-board of one of two wings of the collection port is a material receiving sloping bench (14) which inclines toward the centre of the collection port; the briar dressing device comprises a bracket arm seat (13) on a lateral wall (24) and a fixed bearing (10), an L-shaped bracket arm (12) and a hydraulic cylinder (11) which are rotatably connected together; wherein, the bracket arm seat on the lateral wall is arranged on one wing with the material receiving sloping bench (14) and corresponding to the internal inclined plane (22) of the collection port (18), the L-shaped bracket arm (12) and the hydraulic cylinder (11) are respectively rotatably connected with the bracket arm seat (13) and the fixed bearing (10), the charging basket (9) is also provided with a blanking cushioning device and an elevator mechanism. The material gathering unit is simple and flexible to be operated, has small shaking and low noise, thus improving workshop environment.

The invention discloses chute tube production and processing equipment used for metal plate processing. The equipment at least comprises a release part, a transmission part, a cutting part and a processing part; the release part comprises a support, a support shaft, a compression bar and an elastic part, and a sliding groove distributed in the vertical direction is formed in the support; the support shaft is horizontally and rotationally installed on the support; the compression bar and the support shaft are arranged in parallel, the compression bar is arranged above the support shaft, and the compression bar is connected with the sliding groove in a sliding mode; the first end of the elastic part is fixed, and the other end of the elastic part is connected with the compression bar so as to make the compression bar move in the direction of the support shaft; the transmission part is located on the lower side of the release part, the transmission part comprises a processing table, a processing plate, a compression roller and a first power unit, and the processing table is provided with a guide rail which is horizontally arranged in the length direction of the processing table; the processing plate is connected with the guide rail in a sliding mode.

The invention provides a quick opening underground flue flashboard door, comprising two vertical door frames, wherein a door beam traverses the top ends of the two door frames, a door board is installed between the two door frames, the door board can move up and down along the door frames, a deceleration motor is installed at the right end of the door beam, and a wire spool is arranged on an output shaft of the deceleration motor; a door board fixed pulley is arranged in the middle of the door beam, a cylinder is arranged in the middle of the door beam, a piston rod of the cylinder is arranged vertically downward, and a shell of the cylinder is fixedly arranged on the door beam; a door board movable pulley is arranged on the upper end face of the door board, corresponding to the position below the door board fixed pulley; a pulley fixing table is arranged on the left of the two door frames, a basket pulley and a balance pulley are arranged on the pulley fixing table, opening and closing of the door board are driven by a balance block, and the door board is driven to move fast by the cylinder. The flashboard door moves up and down flexibly, the moving speed of the flashboard door is greatly promoted in comparison with the speed of the existing flashboard door, and the whole device is simple in operation, convenient to control and reliable in function.

The invention discloses a machining table with a positioning structure and convenient to adjust for middle frame machining, and relates to the technical field of machining tables. The machining tablecomprises a main body and a storage inner frame, wherein clamping devices are arranged at the two ends of the interior of the main body; connecting frames are mounted at the lower ends of the exteriors of the clamping devices; hydraulic cylinders are arranged at the two ends of the interiors of the connecting frames; and vertical plates are mounted at the outer ends of the hydraulic cylinders. Through the arrangement of an auxiliary positioning device, convenient fixing treatment can be conducted according to the specific size of an object; the machined middle frame can be pushed into positioning frames through the interaction of push plates, sliding chutes and hydraulic air rods after fixing is completed; the positioning frames and a discharging groove are located on the same plane, and the hydraulic air rods are located outside the bottoms of the positioning frames, so that a good hiding effect can be achieved while the object is pushed out, and the object falls to the outer surfaceof a conveying belt from the hollow discharging groove in the auxiliary positioning device to continue to be conveyed.

The invention discloses a vertical double-station wire winding machine, and belongs to the technical field of vertical wire winding equipment. The wire winding machine comprises a rack, a wire winding driving mechanism, a supporting plate assembly, an idle positioning mechanism and a lifting rotating mechanism, wherein the wire winding driving mechanism, the idle positioning mechanism and the lifting rotating mechanism are all arranged on the rack; the lifting rotating mechanism is located between the wire winding driving mechanism and the idle positioning mechanism; an anti-slip assembly is arranged on the wire winding driving mechanism; the supporting plate assembly is arranged on the lifting rotating mechanism; and receding openings are formed in the positions, corresponding to the wire winding driving mechanism and the idle positioning mechanism, on the supporting plate assembly. The upper end of the anti-slip assembly extends into a clamping hole in the lower end of a winding drum, so that the winding drum is prevented from slipping relative to a bearing plate in the wire winding process, and smooth wire winding work is guaranteed.

The invention discloses a material pressing frame of a log sawing machine. The material pressing frame of the log sawing machine comprises a cross beam and a supporting frame, the cross beam is arranged on the supporting frame in a suspended mode, a conveyor rack is arranged rightly below the cross beam, a pair of saw blades is symmetrically arranged on two sides of the conveyor rack, and a plurality of chain wheel press fitting devices are arranged on the cross beam. The material pressing frame of the log sawing machine adopts an air cylinder air pressing mode to guarantee that chain wheels exert certain pressure above a log. The plurality of chain wheel press fitting devices are evenly arranged on the cross beam, so that the log can be placed on the conveyor rack stably, and the chain wheels can flexibly move up and down along with wood blocks. The material pressing frame of the log sawing machine is suitable for logs with diameters of different sizes, and the panel of the log in cutting is neater, finer and smoother.

The invention relates to a milling power head of a numerical-control planer type milling machine. The milling power head comprises a slide seat, a lead screw and a spindle box. The spindle box moves vertically along the lead screw, a groove which penetrates through the slide seat from top to bottom is arranged on one side of the slide seat, the lower portion of the spindle box is placed in the groove, a hydraulic balance device is disposed on the top of the slide seat, and the top of the spindle box is hinged with the hydraulic balance device. The milling power head is simple in structure and convenient to operate, the hydraulic balance device assists the spindle box to move vertically, axial force born by the lead screw is relieved, the traveling precision of the lead screw is improved, the service life of the lead screw is prolonged, and the spindle box can vertically move flexibly and is high in heavy cut capacity. Besides, ventilation openings are arranged on two sides and the top of a protecting cover of the spindle box, and circulation reflux of air inside the spindle box is strengthened, so that heat inside the spindle box can circulate to the external, a cooling effect is good, and high precision can be kept even if the milling power head is used for continuous heavy cut for a long time.

The invention discloses a drilling, pile splicing and pile planting all-in-one machine and a construction method thereof. The drilling, pile splicing and pile planting all-in-one machine comprises a walking mechanism, a base plate, a plurality of hoisting devices and a rotary disc capable of rotating relative to the base plate. Operation pile position holes for drilling and pile planting are formed in the base plate; a tower which has a circular truss structure and is coaxial with the rotary disc is fixed on the rotary disc; a pipe pressing power head, a plurality of drilling power heads, a plurality of rotary welding devices for lengthening and welding upper and lower pipe piles and a pile feeding pipe driving head are sequentially arranged along the outer circumference of the tower; eachpipe pressing power head, each drilling power head, each rotary welding device and each pile feeding pipe driving head can be located over the corresponding operation pile position holes in sequenceafter rotating along with the rotary disc of a rotary disc device; and pile pressing equipment driven by an oil cylinder for pile planting is mounted on the base plate through a guide rail. Accordingto the drilling, pile splicing and pile planting all-in-one machine, drilling, pile splicing and pile planting construction can be completed on one device, the height of the device is relatively low,the concentricity of devices with multiple functions on the rotary disc is good, and the stability of the device is high.

The invention relates to a floating cylinder type liquid level indicating device. A supporting plate is arranged on a container, two pulleys are installed on the horizontal line of the supporting plate, one end of a connecting line is connected to a floating cylinder arranged in the container, the other end of the connecting line surrounds the steel pulleys, and is connected with a liquid level indicating block, and a liquid level ruler is installed on the outer wall of the container or is marked on the outer wall of the container in an engraving mode. The floating cylinder is composed of a cylinder body and a cylinder cover, wherein the cylinder body and the cylinder cover are connected through threads or a flange in a sealing mode, the core portion of each pulley is provided with a rolling bearing, and the inner race of each rolling bearing is fixed on a supporting shaft of the supporting plate. The connecting line is nylon thread, and the liquid level indicating block is an isosceles triangle. Scale marks of the liquid level ruler are drawn with fluorescent pigment so that a user can read the value of the liquid level at night. Due to the fact that a detachable structure is adopted by the floating cylinder of the floating cylinder type liquid level indicating device, the weight of the floating cylinder can be conveniently adjusted, and the floating cylinder type liquid level indicating device is applicable to liquid level indication of liquid with different specific gravity. Due to the fact that the rolling bearings are installed on the pulleys of the floating cylinder type liquid level indicating device, resistance of rotation is low, and the floating cylinder type liquid level indicating device is high in sensitivity.

The invention discloses a multifunctional perpendicularity and straightness detection device, and relates to the technical field of metering detection instruments. The multifunctional perpendicularityand straightness detection device comprises a sliding column arranged on a precision flat plate, wherein a sliding seat is arranged on the sliding column; the sliding seat is provided with a gauge clamping rod used for clamping an indicating gauge, and the bottom surface of the sliding column serves as a first reference surface A for measuring perpendicularity; the sliding column is provided witha sliding surface B which is matched with the sliding seat to slide, and a second reference surface C which is used for measuring straightness and parallelism; and the second reference surface C is parallel to the sliding surface B, and is perpendicular to the first reference surface A. Compared with the prior art, the sliding column is designed to be vertical and horizontal, and the sliding seatcan be conveniently taken down from the sliding column, so that the device has multiple detection functions, and the device not only is a perpendicularity measuring instrument, but also is a straightness measuring instrument, and can be also used as a standard square ruler, a standard leveling ruler or a standard parallel ruler. The multifunctional perpendicularity and straightness detection device is simple in structure and low in manufacturing cost.

The invention discloses a device for producing a chute pipe. The device is used for polishing a metal plate. The device for producing the chute pipe at least comprises a conveying part and a polishing part; the conveying part comprises a machining table, a machining plate and a conveying mechanism; a guide rail is arranged on the machining table, and the guide rail is arranged horizontally in the length direction of the machining table; the machining plate is slidably connected with the guide rail, a containing tank for storing the metal plate is formed in the upper surface of the machining plate, and the containing tank is distributed in the length direction of the guide rail; the conveying mechanism is used for driving the machining plate to move in the length direction of the guide rail; the polishing part comprises a support, a supporting plate, a motor, a first gear and a plurality of polishing mechanisms, the supporting plate is located above the machining plate and arranged horizontally, and the supporting plate is connected with the support; the motor is mounted on the supporting plate and used for driving the first gear to rotate; and the first gear is arranged horizontally.

The invention discloses a hot-line work robot climbing device. The device comprises a hoop device and a clamping device, the clamping device comprises a clamping air cylinder and a clamping block, theclamping air cylinder is fixed to the hoop device, the clamping block is fixed to a telescopic rod of the clamping air cylinder, a first sliding groove is formed in the side, close to a center shaftof the hoop device, of the clamping block, and a ball is arranged in the first sliding groove; a second sliding groove is formed in the inner side of the hoop device, and a ball is arranged in the second sliding groove. The rescue robot chassis capable of climbing the wall has the advantages of being simple in structure, stable in use and connection, flexible and convenient to move up and down andthe like.

The invention discloses a nitrogen blowing instrument with an active protection unit, and relates to the technical field of nitrogen blowing instruments, in particular to a frame and a base of the nitrogen blowing instrument, an external protection plate is arranged in the frame of the nitrogen blowing instrument, an electric sliding rail is mounted outside the rear end of the external protection plate, a sliding block is arranged outside the electric sliding rail, movable rods are installed at the two ends of the interior of the sliding block, a fixed rod is arranged at one end of the exterior of each movable rod, a connecting plate is installed outside the top of the sliding block, an insertion pipe is arranged at one end of the exterior of the connecting plate, and a guide pipe is connected to the right end of the exterior of the connecting plate. According to the nitrogen blowing instrument with the active protection unit, the auxiliary assembly is arranged on one side of the exterior of the storage frame to form a containing cavity, so that a space for placing the heat dissipation assembly can be provided, convenience is provided for subsequent storage and protection of the heat dissipation assembly, meanwhile, the auxiliary assembly and the storage frame are locally in a communicating state, air circulation can be guaranteed, and convenience is provided for subsequent heat dissipation of the nitrogen blowing instrument.

The invention relates to the technical field of wind power generation equipment, in particular to a spoiler structure for wind power generation. The spoiler structure for wind power generation aims tosolve the technical problem that sustained gale wind easily causes burn down of a wind driven generator. The spoiler structure for wind power generation comprises a fan blade body, wherein the top ofan inner cavity of the fan blade body is welded with a rhombic column, the top of the rhombic column and the top of the fan blade body are located on the same horizontal plane, a rhombic groove is formed in the rhombic column, a rhombic sliding block is movably sleeved with the rhombic groove of the rhombic column, screw holes are formed in the top of the rhombic sliding block, and a disc is arranged at the top of the rhombic sliding block. When the wind is strong, the spoiler structure for wind power generation can counteract a part of the force generated by the wind to the fan blade body, the friction force that a braking system needs to exert on a rotating shaft of a wind driven generator is reduced, and therefore the generation of heat is reduced, and the temperature can be kept fromreaching the point of spontaneous ignition.