77results about How to "Reduce horizontal footprint" patented technology

The embodiments of the present invention disclose a folding mechanism for an aircraft, and a control method thereof, and relate to the folding mechanism design technology in aerospace aircrafts. A purpose of the present invention is to solve the problem of complicated folding mechanism. According to the folding mechanism, a fixed guide rail is fixed at the bottom portion of an aircraft body, a sliding block can slide back and forth at both ends of the fixed guide rail, one ends of a swept-back wing and a forward-swept wing at the same side of the aircraft body are fixed through a rotation shaft, the swept-back wing and the forward-swept wing at the same side of the aircraft body form a connection rod mechanism through the rotation shaft, the other end of the swept-back wing is fixed at oneend of the fixed guide rail through a vertical shaft, the swept-back wing can rotate around the vertical shaft, the other end of the forward-swept wing is fixed on the sliding block, and an actuatingcylinder is fixed on the fixed guide rail.

The invention provides a trailer bogie with built-in axle boxes for a high-speed motor train unit, and relates to the technical field of motor train unit bogies. The bogie comprises a framework, a wheel set axle box device, a central suspension device and a basic brake device. An axle box assembly of the bogie and a side beam of a framework are both located on the inner side of a wheel set. The axle box assembly adopts a split type structural design. The axle box positioning is primary positioning pull rod positioning which is horizontally arranged. The primary rubber springs are two rubber conical springs with high bearing capacity. The basic braking device adopts a mode of combining wheel disc braking and shaft disc braking. The central traction device adopts a longitudinally-arranged single rubber pile. The two anti-side-rolling torsion bars are located on the lower portion of a framework cross beam. The whole bogie is compact in structure, and the transverse size of the bogie meetsthe operation requirement of a small limit. The running speed of the bogie can reach 250 km / h, the maximum axle load is 19 tons, and the running requirements for high speed and high bearing capacitycan be met.

The invention relates to a sulfur hexafluoride supplementary gas overhaul vehicle. The overhaul vehicle comprises a vehicle frame. The vehicle frame comprises a base and a bearing groove matched witha gas cylinder in shape. The bearing groove is of a frame structure. The base comprises two vertical boards symmetrically arranged on the two sides of the bottom of the bearing groove. Vertical handles are arranged at the ends, close to a gas cylinder opening, of the vertical boards. Two supporting wheels are further arranged on the outer sides at the ends, close to the bottom of the gas cylinder,of the vertical boards. A first joint is arranged in the middle position of the two vertical boards. A second joint is arranged at the ends, close to the gas cylinder opening, of the two vertical boards. The first joint is connected with a lead screw. The other end of the lead screw penetrates through the second joint and is connected with a rotation wheel. The lead screw is in threaded connection with an adjusting ring. Connecting columns are symmetrically arranged on the outer wall of the adjusting ring. Self-locking gas springs are hinged to the tail ends of the connecting columns. The other ends of the self-locking gas springs are hinged to back-folding rods. The sulfur hexafluoride supplementary gas overhaul vehicle adapts to automobiles in different heights, can move in a narrow andsmall space and is simple in structure, small in weight, small in occupied space, convenient to operate and capable of saving manpower.

The invention belongs to the technical field of building devices, and discloses a plate turnover device and a ceramic tile paving device. The plate turnover device comprises a fixing frame, a turnoverframe, a turnover driving assembly, a blocking part and a blocking driving part, wherein the turnover frame is rotatably connected with the fixing frame and used for bearing glued ceramic tiles; theoutput end of the turnover driving assembly is connected with the turnover frame and used for driving the turnover frame to rotate so as to drive the ceramic tiles on the turnover frame to be turned over to a preset inclination angle; the blocking part is arranged at the feeding end of the turnover frame; and the blocking driving part is arranged on the turnover frame, and when the ceramic tiles integrally cross the blocking part in the feeding direction, the blocking driving part drives the blocking part to stretch out upwards so that the blocking part can be supported at the tail ends of theceramic tiles. The ceramic tile paving device comprises the above plate turnover device. According to the plate turnover device, the blocking part is arranged on the turnover frame, the tail ends ofthe ceramic tiles can be supported in the turnover process, the ceramic tiles are prevented from sliding downwards along the inclined plane, and the placement reliability and safety of the ceramic tiles are improved.

The invention belongs to the fields of financial machines and financial tools, and discloses a sealing and cutting mechanism for plastic sealing of paper money. The sealing and cutting mechanism comprises a sealing and cutting knife group, a driving mechanism and a waste membrane recovering mechanism, wherein the sealing and cutting knife group comprises an upper sealing and cutting knife seat, an upper sealing and cutting knife, a lower sealing and cutting knife seat and a lower sealing and cutting knife, and the upper sealing and cutting knife seat and the lower sealing and cutting knife seat are respectively assembled on sealing and cutting guiding rails through sliding sleeves; the driving mechanism comprises a sealing and cutting motor, upper sealing and cutting knife driving cams, lower sealing and cutting knife driving cams, upper sealing and cutting knife driving swing rods, lower sealing and cutting knife driving swing rods, upper sealing and cutting knife driving connecting rods, lower sealing and cutting knife driving connecting rods, upper sealing and cutting knife downward pulling springs and lower sealing and cutting knife downward pulling springs; upper ends of the upper sealing and cutting knife driving connecting rods are connected with the upper sealing and cutting knife seat, and an lower end of each of the upper sealing and cutting knife driving connecting rods is hinged to each of the upper sealing and cutting knife driving swing rods; upper ends of the lower sealing and cutting knife driving connecting rods are connected with the lower sealing and cutting knife seat, and an lower end of each of the lower sealing and cutting knife driving connecting rods is hinged to each of the lower sealing and cutting knife driving swing rods; the upper sealing and cutting knife driving cams and the lower sealing and cutting knife driving cams are coaxially mounted and driven by the sealing and cutting motor in a linking manner. According to the sealing and cutting mechanism disclosed by the invention, whole bodies of all the constituent parts are arranged up and down, lateral space usage is small, and the structure is compact.

The invention discloses an LED pixel lamp with redundancy fault-tolerant function and a lamp screen consisting of the same. The LED pixel lamp consists of a lamp shell and a lamp body; the inside of the lamp body is provided with a PCB board provided with an LED luminous unit, a driving control chip and power supply anode-cathode lines; the driving control chip at least comprises one redundancy fault-tolerant driving control chip provided with at least two pairs of signal input ends and signal output ends which are arranged in parallel; for each pair of signal input end and signal output end, the signal input end is connected with the signal output end by a line; the redundancy fault-tolerant driving control chips are connected with each other by at least two signal control lines which are arranged in parallel, have the redundancy fault-tolerant function and are provided by at least two lines; and a plurality of LED pixel lamps are in inserting connection by males and females arranged on end parts of the lines to form the LED pixel lamp screen.

The invention relates to a pipeline blocking device which comprises a first supporting rod, a second supporting rod, an expansion ring and a sealing cover. The first supporting rod is hinged to the second supporting rod. A drive ring, a support and a pull rod are arranged on the first supporting rod. A fixing ring and a sliding ring are arranged on the second supporting rod, and the sliding ring is connected with the pull rod through a transmission rod. The expansion ring comprises first arc parts and second arc parts, wherein the first arc parts and the second arc parts are distributed alternately. Symmetric guide faces are arranged on guide parts of the first arc parts, and sliding grooves and guide holes are formed in the guide faces. The guide holes in the adjacent first arc parts forma splay shape, and supporting lugs are arranged on the second arc parts. The supporting lugs are correspondingly hinged to the fixing ring and the sliding ring through first connecting rods and second connecting rods. Sliding blocks located in the sliding grooves are arranged at the two ends of the second arc parts, and guide pillars located in the guide holes are arranged on the two sides of thesliding blocks. The sealing cover is arranged on the expansion ring in a sleeving manner from right to left and is fixedly connected with the first arc parts. The pipeline blocking device has the beneficial effects that the structure is simple, control is convenient, adaptability is high, and blocking is reliable.

The invention belongs to the financial field of financial tools, and discloses a bank note bundle tray assembly used for a paper money bundling and plastic packaging device and a lifting conveying mechanism. The bank note bundle tray assembly comprises a tray frame and a conveying belt tray. The tray frame is installed on a tray support. The conveying belt tray is composed of a belt transmission roller and a conveying belt arranged on the belt transmission roller in a sleeving manner. The upper surface of the conveying belt is smooth and is used for containing bank note bundles. A driving roller in the belt transmission roller is connected with a driven gear. A transverse conveying driving gear is arranged below the driven gear. When the bank note tray assembly moves downwards to the lowest position, the driving gear is meshed with the transverse conveying driving gear. The bank note bundle tray assembly and the lifting conveying mechanism are simple in structure, good in compactness and small in occupied space.

The invention provides a direct-connected multi-piece friction power take-off, and belongs to the technical field of machineries. The problem of low transmission efficiency of an existing friction power take-off is solved. The direct-connected multi-piece friction power take-off comprises a cylinder-shaped shell, wherein an input opening and an output opening are formed in the two ends of the shell correspondingly; an input shaft is arranged in the shell in a penetrating mode, and one end of the input shaft extends out of the input opening; an output shaft is arranged in the shell in a penetrating mode and one end of the output shaft extends out of the output opening; an internal spline connection part coaxially sleeving the end of the input shaft is arranged at one end of the output shaft; an external spline connection part corresponding to the internal spline connection part is arranged on the circumferential outer side of the input shaft, and a friction plate unit is arranged between the internal spline connection part and the external spline connection part; and a piston which translates along the inner wall of the shell sleeves the end, away from the output shaft, of the inputshaft and is located in the shell. The direct-connected multi-piece friction power take-off reduces friction between the piston and the input shaft when the piston moves, and the transmission efficiency is higher.

The invention belongs to the field of lifting equipment, and particularly relates to lifting equipment for power equipment. The following scheme is provided at present for the problem that when existing power equipment is used, due to the fact that the size is large, and the weight is large, mounting and dismounting are strenuous. According to the scheme, the lifting equipment comprises a bottom plate, wherein a lifting plate is mounted above the bottom plate, a rotating groove is formed in one side of the lifting plate, a rotating shaft is rotationally mounted in the rotating groove, two connecting blocks are fixedly mounted on the outer side of the rotating shaft, the same inclined plate is fixedly mounted on one sides of the two connecting blocks, two grooves are formed in the top of the lifting plate, and sliding plates are slidably mounted in the two grooves. According to the lifting equipment for the power equipment, the power equipment can be conveniently moved onto the liftingplate or moved away from the lifting plate, the power equipment can be conveniently maintained and overhauled, and meanwhile, the inclined plate can be folded when the lifting plate is lifted, the transverse occupied space is reduced, the power equipment can be fixed, and the stability of the power equipment during use is improved.

The invention discloses a glue filling machine for a high-speed continuous production line of a honeycomb paper core. The glue filling machine comprises a rack, a glue barrel arranged on the rack, a plurality of glue coating unit mechanisms which are arranged on the rack and are used for carrying glue coating on a paper plate, and a glue filling mechanism which is arranged on one side of the rack and is used for filling glue in the plurality of glue coating unit mechanisms, wherein the plurality of glue coating unit mechanisms are arranged on the rack from top to bottom in a vertical structure manner. The glue filling machine provided by the invention has the advantages that the plurality of glue coating unit mechanisms are arranged from top to bottom in the vertical structure manner, a horizontal floor space of equipment is greatly reduced, the glue coating effect is improved, and the disassembly, the cleaning and the maintenance are convenient.

The invention relates to a folding electric bicycle frame. The folding electric bicycle comprises a main crossbeam, wherein a front wheel steering mechanism is arranged at the first end of the main crossbeam, a cushion support pipe is in flexible inserting connection to the second end of the main crossbeam, the main crossbeam is also pivoted to one end of a rear electric bicycle frame, and one of the main crossbeam and the rear electric bicycle frame can rotate around a rotating shaft connected with the main crossbeam and the rear electric bicycle frame relative to the other of the main crossbeam and the rear electric bicycle frame in a horizontal direction; the rotating shaft is located between the front wheel steering mechanism and the cushion support pipe, and the rear electric bicycle frame is locked through the matching of the rotating shaft and the cushion support pipe under an unfolded state. The folding electric bicycle frame disclosed by the invention is exquisite in design and simple in structure, and an original structure of a conventional folding electric bicycle is broken through; and the rear electric bicycle frame and the main crossbeam can rotate relative to each other, so that folding an electric bicycle body can be realized. Though the matching of a support casing pipe and the rotating shaft connected with the rear electric bicycle frame and the main crossbeam, the stability of the electric bicycle body under the unfolded state can be effectively realized. A whole folding structure and an unfolded locking structure are succinct, and compared with a conventional folding electric bicycle body, the folding electric bicycle frame has the advantage that the number of desired parts and components is greatly reduced.

The invention discloses a dry-process new type double-layer positive-negative once coating machine, which comprises conveying rollers, wherein a fabric is conveyed on the conveying rollers, a coating machine is provided with a coating roller which is contacted with the surface of the fabric, the fabric is conveyed on the two conveying rollers in an S-shaped manner, the coating roller consists of an upper coating roller and a lower coating roller, the upper coating roller is contacted with the lower surface of the fabric, the lower coating roller is attached to the upper surface of the fabric,the surface of the coating roller is attached with a steeping roller in a transmission manner, a sizing agent box is arranged below the steeping roller, two sides of the fabric can be coated at one time, the technology of changing materials, transferring and the like can be omitted, and the working efficiency can be improved.

The invention relates to an integrated multi-gear automatic transmission of a motor and a non-bevel-gear differential mechanism. The integrated multi-gear automatic transmission of the motor and the non-bevel-gear differential mechanism is characterized by being mainly composed of the motor, a first planetary gear row, a second planetary gear row, a first brake device, a second brake device, the differential mechanism and a shell body, wherein the first planetary gear row and the second planetary gear row are connected through a planetary carrier, and the advantage of close transmission connection is achieved; and a brake part adopts a left-right parallel structure of the first brake device and the second brake device, and gear conversion is realized through a combined clutch. The integrated multi-gear automatic transmission of the motor and the non-bevel-gear differential mechanism is provided with two forward gears, one neutral gear and one parking gear, and is high in transmission efficiency, compact in structure and simple in gearshift manner; a new scheme reference is provided for an existing power transmission system structure for an electric automobile; and high use value and a good application prospect are achieved.

The invention discloses a super labor-saving bicycle vertical parking device, comprising a guide rail frame, an installation hole is arranged on the guide rail frame, a slide rail and a fixed shaft are arranged in the guide rail frame, a lifting frame is arranged below the guide rail frame, the lifting frame is fixedly connected with a slide block, the slide block is matched with the slide rail ofthe guide rail frame, and the slide block can slide up and down along the guide rail frame; The lifting device comprises a lifting frame, a clip, a slider, a baffle, a compression spring and a tension spring; The invention has simple structure and exquisite design, and the guide rail frame is provided with a lifting device and a counterweight block. As that clip fasten to the front wheel of the bicycle, The sliding block and the lifting frame slide upward along the guide rail frame under the action of the counterweight block and the human thrust, thereby driving the front wheel of the bicycleto be lifted upward, and finally the bicycle is in a vertical parking state, so that the parking of the bicycle is very convenient and labor-saving, the lateral occupying space of the bicycle can begreatly reduced, and the utilization rate of the occupied space can be improved.

The invention discloses a target type flow sensor and a target type flow meter for measuring quality and flow of steam of a thermal production well, and belongs to the technical field of fluid quality and flow measuring devices. The target flow sensor for measuring quality and flow of the steam of the thermal production well comprises a barrel, a limiting seat and a target guide rod, wherein a fluid inlet is formed in the barrel; the limiting seat is arranged on the inner wall of the barrel; the target guide rod is arranged in the axial direction of the barrel and penetrates in the limiting seat; a target slice is arranged at the front end of the target guide rod; a moving magnetic core is arranged at the rear end of the target guide rod; an elastic element which is positioned on the outer side of the target guide rod is arranged between the moving magnetic core and the limiting eat; a fixed magnetic core inductor which is positioned on the outer side of the moving magnetic core is further arranged in the barrel; the fixed magnetic core inductor and the moving magnetic core form a closed magnetic circuit; fluid can push the target guide rod to move so as to change facing area and inductance value of the moving magnetic core and the fixed magnetic core inductor. The target type flow sensor is in an axial built-in type, occupies small space in the transverse direction, and is suitable for narrow space such as underground space.

The invention relates to a pedal, in particular to a pedal mechanism for a bike of a disabled person. The pedal mechanism for the bike of the disabled person comprises a center shaft, a crank sprocket, pedal bodies connected with the end part of one crank and a main shaft tube fixedly connected with the end part of the crank, wherein the main shaft tube is rotationally connected with the pedal bodies; the end part of another crank is connected with a balancing weight; the weight of the balancing weight is larger than that of the pedal bodies; the outside of the crank sprocket is sleeved with a sprocket cover; a first magnet is arranged on the sprocket cover and located on one side, close to a front wheel, of the upper part of the crank sprocket; a second magnet magnetically attracted with the first magnet is arranged on the crank connected with the pedal bodies; an included angle of the connection line between the first magnet and the center shaft axis and a horizontal line is 45-85 degrees. The pedal mechanism for the bike of the disabled person has the benefits that assistance can be provided for the disabled user, circling of pedals is facilitated and the like.

The invention provides a clamp control device, comprising a fixed support and further comprising a first motion device arranged on the fixed support, a second motion device, a third motion device arranged above a running clamp and a telescopic device linked or reset with the first motion device or the second motion device or the third motion device along the running direction of the clamp, wherein an electric connector connected with a controller is arranged on the first motion device, the second motion device and the third motion device respectively, each electric connector can receive the motion time determined by the controller respectively, the first motion device and the second motion device produce opposite motions close to the running clamp or same motion away from the clamp at the motion time to clamp or release the clamp, and the third motion device directly applies a pressure to the clamp when the clamp is clamped, so that a mounting clearance is opened for clamping an electroplated plate in the clamp. Therefore, the automation degree is high.

The invention discloses a model airplane fixed-wing aircraft for flight training and competition. The aircraft comprises a model airplane fixed-wing aircraft body, the model airplane fixed-wing aircraft body comprises two fuselage side plates, a bottom plate fixed to the bottoms of the two fuselage side plates, an upper cover plate fixed to the tops of the two fuselage side plates, a tail plate fixed to one sides of the two fuselage side plates, a vertical tail plate fixed to the top of the tail plate and a head cover plate fixed to the rear sides of the tops of the two fuselage side plates, the upper cover plate is movably clamped and sleeved on the vertical tail plate, and the top of the upper cover plate is provided with telescopic folding wings. The fixed-wing aircraft is reasonable in design and easy and convenient to operate, by arranging the telescopic folding wings, when the aircraft is not used, the two folding wing plates are conveniently folded and fixed to the two sides of the vehicle body, the two side wing plates are conveniently telescopically stored, the purposes of telescopic adjustment and folding fixing are achieved, the occupied space when the aircraft is not used is effectively reduced, the damage risk during storage or carrying is reduced, the use requirements are met and the use is facilitated.

The invention relates to an electric drive system of a double-gear electric car. The electric drive system is characterized by mainly consisting of an electromotor, a first planet gear row, a second planet gear row, a first brake, a second brake, a duplicate gear, a main reducing pinion, a main reducing big gear, a parking brake part, a differential mechanism and a shell; and the first duplicate gear row and the second duplicate gear row are connected through the duplicate gear. The electric drive system has the advantage that the transmission ratio adjustment range is large; the brake part adopts a structure that the first brake and the second brake are nested from inside to outside; gear switching is realized by alternating braking; besides, the parking brake part adopts a differential gear train for parking, so locking of the car can be realized by virtue of a relatively small torque. The electric drive system provided by the invention has two forward gears, two reverse gears and one neutral gear, is also high in transmission efficiency, compact in structure and simple in a gear switching method, provides a new reference scheme for an existing power transmission system structureof the electric car and realizes a relatively good use value and application prospects.

The invention discloses a folding electric scooter or bicycle. The folding electric scooter or bicycle comprises a folding electric scooter or bicycle frame, a front wheel located at the front end of the folding electric scooter or bicycle frame and a rear wheel located at the rear end of the folding electric scooter or bicycle frame. Under an unfolded state, the top arc of the front wheel and the top arc of the rear wheel are in the same plane, and under a folded state, the top arc of the front wheel and the top arc of the rear wheel are in parallel; the projection of the front wheel and the projection of the rear wheel are coincided with each other on the same plane in parallel to the top arc of the front wheel and the top arc of the rear wheel. The folding electric scooter or bicycle is exquisite in design, and simple in structure. After the folding electric scooter or bicycle is folded, the front wheel is parallel to the rear wheel, and height differences do not exist, so that after being folded, the folding electric scooter or bicycle can also be pushed wholly through the rolling of the front wheel and the rear wheel, and conditions are created for carrying the complete folding electric scooter or bicycle. After the folding electric scooter or bicycle is folded, the front wheel and the rear wheel can be integrally connected, and a pushing handle arranged on a cushion is used, so that the folding electric scooter or bicycle is convenient to carry, time-saving and effortless.

The invention provides a concrete pouring method for a deep foundation pit. The concrete pouring method for the deep foundation pit is used for concrete pouring equipment, and the concrete pouring equipment comprises a conveying pipe. The concrete pouring method for the deep foundation pit comprises the following steps: installing a reinforcing die plate in a channel to be grouted, and dividing pouring areas according to the channel to be grouted and the reinforcing die plate; installing a plurality of conveying pipes at intervals in each pouring area in the circumferential direction of the reinforcing die plate; controlling the plurality of conveying pipes to sequentially pour concrete to form concrete layers; and pouring the concrete layers one by one until a grouting of the channel to be grouted is reached. According to the concrete pouring method for the deep foundation pit, the pouring areas are divided by installing the plurality of conveying pipes at intervals in each pouring area in the circumferential direction of the reinforcing die plate; and each area is equipped with one conveying pipe, overall and comprehensive pouring working is carried out on the pouring areas by virtue of the conveying pipes, and the use needs of different pouring spaces are met in the case of ensuring a pouring effect, so that continuous and cyclic concrete pouring working the circumferentialdirection of the reinforcing die plate is realized, and then the concrete pouring quality can be ensured.

The invention discloses an assembled bumper display stand which comprises a base plate, an upright rod, a square cross rod and supports. The upright rod is vertically fixed to the base plate; the square cross rod is horizontally fixed to the upright rod; and the supports are fixed to the square cross rod. Each of the supports comprises a T-shaped supporting base and bumper fixing rods arranged thereon; a square hole which is in sliding fit with the square cross rod is formed in the lower end of the T-shaped supporting base; and a first lock lever for fixing the T-shaped supporting base onto the square cross rod is arranged on the wall of the square hole. The base plate, the upright rod, the square cross rod and the supports are all detachable so that the display stand which is composed of the base plate, the upright rod, the square cross rod and the supports can be detached when not used; the base plate, the upright rod, the square cross rod and the supports can be overlapped and stacked respectively after being disassembled so that horizontal space occupation of the display stand can be reduced greatly, stock space utilization rate can be increased greatly and normal stock logics can be guaranteed. In addition, the assembled bumper display stand has the advantages of simple assembling structure, manufacturing convenience and low production cost.

The invention discloses an adjustable and convenient-to-position lifesaving floating plate for swimming teaching in the technical field of swimming teaching equipment. The adjustable and convenient-to-position lifesaving floating plate comprises a floating plate body, moving grooves are formed in the outer walls of the left side and the right side of the front portion of the floating plate body. The inner wall of the rear side of the moving groove is slidably connected with a moving plate. The outer wall of the front side of the left moving plate is fixedly connected with a handle; fixing blocks are arranged on the outer walls of the sides, close to each other, of the two moving plates. The ends, close to each other, of the two sliding blocks are fixedly connected with the outer walls of the sides, away from each other, of two fixing blocks. A fixed groove is formed in the inner wall of the rear side of the moving groove; the rear end of the fixing block is inserted into an inner cavity of the fixing groove; in the adjustable and convenient-to-position lifesaving floating plate, the moving plate is pulled outwards to move towards the outer side of the moving groove, so that the overall length of the lifesaving floating plate is increased, the length of the lifesaving floating plate can be adjusted to a small extent according to needs, the use range of the single lifesaving floating plate is enlarged, and the use effect of the lifesaving floating plate is improved.

The invention relates to a frame-type high-efficiency filter for a gas inlet system of a gas turbine, which comprises a shell (1), a first frame (51), a second frame (52) and a third frame (53) are arranged in the shell (1), and the frames are respectively provided with a first-stage filter device (6), a second-stage filter device (7) and a third-stage filter device (8); the first-stage filteringdevice (6) comprises a spiral downward primary filtering pipe (61) and side-by-side recycling pipes (62); wherein a group of recovery nozzles (63) are connected between the first-stage filter pipe (61) and the second-stage filter pipe (71), the second-stage filter pipe (71) is connected with a third-stage filter pipe (81), hemispherical convex points (82) are arranged in the third-stage filter pipe (81), and an outlet at the lower end of the third-stage filter pipe (81) is connected with an air outlet (4). The filter has the advantages of reducing the occupied area, improving the space utilization rate, being convenient to overhaul and replace a filter element, and ensuring the normal operation of the gas inlet system.

The invention relates to a truck independent air-conditioning system which comprises an engine, a generator and a refrigeration cycle system. The truck independent air-conditioning system is characterized in that the engine is fixedly installed on a truck cab through a rack; the engine and the generator are connected; the engine is directly connected with a compressor of the refrigeration cycle system; the refrigeration cycle system is further provided with an idling speed rising device which controls an accelerator control device of the engine; and the generator supplies power for the independent air-conditioning system. Compared with a traditional unattached air-conditioning system, the truck independent air-conditioning system saves fuel, lowers cost, besides, the truck independent air-conditioning system further has the advantages of being simple in structure, small in size, light, convenient to install and use, complete in function, fast in cooling and the like. If most motor vehicles are provided with the truck independent air-conditioning system, not only drivers can have a good rest in cool cabs, but also traffic accidents due to the fact that the drivers are tired can be reduced. Besides, the goal of reducing air pollution and saving energy can be achieved.

The invention discloses a single-drive linear motion robot, and relates to an industrial robot. The single-drive linear motion robot is flexible in structure and small in occupied space. The single-drive linear motion robot comprises a driving assembly, an upper arm assembly, a forearm assembly and a tail end tool; the driving assembly comprises a driving motor, the driving motor is connected with a first transmission shaft, the first transmission shaft is connected with a first speed reducer, and the output end of the first speed reducer is connected with an upper arm body; the upper arm assembly comprises a first belt wheel, a second belt wheel and a second transmission shaft, the second transmission shaft is connected with a second speed reducer, the output end of the second speed reducer is connected with a forearm body, and a third transmission shaft is connected between the upper arm body and the forearm body; the forearm assembly comprises a third belt wheel and a fourth belt wheel, the fourth belt wheel is connected with an output shaft, and the output shaft is provided with a tool installation hole used for installing a tail end tool. The distance between the first transmission shaft and the second transmission shaft is equal to the distance between the third transmission shaft and the output shaft.

The invention relates to the technical field of kitchen washing equipment and in particular relates to an intelligent sink. The intelligent sink comprises a sink assembly (1), a rack assembly (3) anda functional assembly, and further comprises a machine head assembly (2) arranged above the sink assembly (1). The intelligent sink provided by the invention has diversified functions and occupies a relatively small space in the horizontal direction.