37results about How to "Implement shrink function" patented technology

The invention relates to a heat-dissipating sewage treatment system with a water scale removal function. The system comprises an ultraviolet disinfection device, the ultraviolet disinfection device comprises a main body, a water inlet tube, a water outlet tube, a lampshade and a lamp tube, the shape of the main body and the shape of the lampshade are both cylindrical, the water inlet tube and thewater outlet tube are arranged at the same side of the main body, the lamp tube and the lampshade are coaxial with the main body, the lamp tube is arranged in the lampshade, the lampshade is arrangedin the main body, the main body is provided with an auxiliary mechanism, the auxiliary mechanism comprises a driving assembly, a support ring, a scraper rod, a connecting shaft, a bearing, a fan blade, a fixing shaft, two power assemblies and at least three balls, and one end of the main body is provided with a mounting hole. The heat-dissipating sewage treatment system with the water scale removal function realizes the function of removing water scales on the lampshade through the auxiliary mechanism, and also realizes the effect of heat dissipation of the lamp tube.

The invention is applicable to the technical field of robots, and provides artificial muscle and a simulation arm with the artificial muscle. The artificial muscle comprises a driving unit, wherein the driving unit comprises a controller, a first electromagnet electrically connected with the controller, a second electromagnet electrically connected with the controller and a telescopic mechanism with two ends connected with the first electromagnet and the second electromagnet correspondingly, and the magnetic poles of the adjacent ends of the first electromagnet and the second electromagnet aredifferent. According to the provided artificial muscle, the use of the ionic polymer is avoided, a liquid solvent does not need to be used, then the problem of liquid leakage does not need to be worried about, a closed environment does not need to be designed, and the structure is simple.

The invention discloses a novel wood pulverizer which comprises a machine body. The inner surface of the machine body is rotationally connected with a pulverizing mechanism; the outer surface of the pulverizing mechanism is provided with an elastic plate; and the outer surface of the elastic plate is rotationally connected with the inner surface of the machine body. According to the novel wood pulverizer, a transmission shaft is designed in a modular mode, so that when the transmission shaft rotates, a limiting ball gets close to the inner surface of a threaded sleeve under the inertia effect, a piston plate is extruded by the limiting ball so as to move upwards, the piston plate provides downward counter-acting force accordingly, the dip angle of a connecting rod is increased, a pressure stabilizing pipe moves downwards, and ejector rods extrude an inclined plate; due to the fact that stress on the two sides of the transmission shaft is not uniform during working, a height difference always exists between the two ejector rods, so that the transmission shaft achieves a contraction function while rotating; and through axial and radial matched movement, the problem that due to the fact that the length of a transmission shaft of a traditional wood pulverizer is fixed, only radial rotary cutting can be achieved, and the cutting efficiency is low is solved.

The invention provides a variable-diameter mechanism suitable for a pipeline robot. The mechanism is characterized by comprising a main shaft, a cam push rod, a driving wheel frame, a coupling, a fixing base, a motor, a travelling wheel and a cam, wherein the cam push rod is connected with the cam and the driving wheel frame, the travelling wheel is installed at the tail end of the driving wheel frame, and the rotation of the cam drives the driving wheel frame to stretch and retract through the cam push rod. The variable-diameter mechanism has the advantages that the occupied space is small, the size of the pipeline robot can be miniaturized, the variable-diameter range of the mechanism is large, the adjusting speed is high, the manufacture of the mechanism is simple, the cost is low, thesealing performance is good, the corrosion of external to the mechanism is reduced, and the service life is long.

The invention discloses a passive wing telescopic structure, and relates to the technical field of aviation aircraft design. The problems that an existing unmanned aerial vehicle is large in wingspan, large in occupied space, high in maintenance cost and large in probability of being detected and found are solved. The unmanned aerial vehicle comprises a wing, a telescopic wing, a linkage rope, a traction mechanism and a resettable telescopic mechanism, a slot is formed in the middle of the front end face of the wing, the tail end of the telescopic wing is inserted into the slot, the telescopic wing is connected with the wing through the resettable telescopic mechanism, one end of the linkage rope is fixedly connected with the tail end of the telescopic wing, the other end of the linkage rope penetrates through the groove bottom of the inserting groove and then is connected with a control mechanism located on the fuselage, and the linkage rope controls the telescopic wings to stretch out and draw back through a traction mechanism. According to the working principle of the movable pulley, the compression spring is adopted as a driving part, the compression stroke of the elastic part is shortened, the machining difficulty of the elastic part is reduced, other power sources are not needed, the influence of high altitude and low temperature is avoided, and the system can be applied to different unmanned aerial vehicles as an independent system.

The invention discloses a compression type atomizer which comprises a main unit bottom shell, a compressing main unit and a coaxial fan. A middle shell is connected to the main unit bottom shell. An upper cover is disposed on the middle shell. A hanging device is disposed on the inner surface of the upper cover. The compression main unit is connected with the hanging device. An air drum is arranged at the bottom of the main unit bottom shell. The coaxial fan is disposed in the air drum. The hanging device can control the horizontal motion of the compression main unit. Reasonable gaps can be reserved among single- and double-column buffer circular tubes, positioning can be achieved while vibration is not transmitted. The radiating fan is used by the atomizer to improve radiation and enhance the performance of the drum, the air pumping force of the radiating fan is increased, the radiating capacity of the compression main unit is enhanced, and the service life of the compression main unit is prolonged.

The invention discloses a teaching device for education management. The device structurally comprises a lifting case, a sundry cabinet, a stretchable backup platform, an intelligent computer, a tablebody, a loudspeaker box device and a host placement box; the lifting case is installed below the sundry cabinet and buckled to the sundry cabinet, the host placement box is arranged at the right sideof the sundry cabinet, the sundry cabinet and the host placement box are locked, the host placement box is installed below the table body, the host placement box is in threaded connection with the table body, the stretchable backup platform is arranged at the left side edge of the table body, the table body is buckled to the stretchable backup platform, the intelligent host is arranged inside theleft side of the table body, the table body and the intelligent computer are embedded and connected, the lower end of the intelligent computer is in clearance fit with the top end of the lifting case,when the device is in use, by arranging a pedal lifting mechanism, the phenomena that a computer displayer cannot achieve the lifting function, dust is easily accumulated, and the floor area is largecan be avoided, the device is more flexible to use, and dust is not likely to be accumulated.

The invention belongs to the field of vegetable transplanting and relates to a novel perforator for vegetable transplanting. The novel perforator comprises a pressure bar, a casing pipe and a digging bucket. The pressure bar is provided with a wedge-shaped clamp with a downward wedge-shaped structure. Upper and lower ends of the casing pipe are respectively provided with an opening and an enclosed port. The upper end of the casing pipe sleeves the lower end of the pressure bar. The side wall of the casing pipe is provided with a clamping hole. Multiple movable rods are hinged to the lower end of the casing pipe. The other ends of the movable rods are respectively hinged to and uniformly distributed on the same circumference in the digging bucket. The top of the digging bucket is uniformly provided with multiple extending-retracting folding lines connected to the bottom of the digging bucket and the bottom of the digging bucket is provided with a conical cap. In use, a handle is held, the novel perforator is downward inserted into soil and then the pressure bar is lifted so that the soil is dug up along with the digging bucket and thus soil does not fall off and labor efficiency is improved.

The invention discloses a stretching steerable support. The stretching steerable support comprises a contraction assembly and rotary joint mechanisms. Each rotary joint mechanism comprises a fixed joint assembly, a rotary locating assembly and a movable joint assembly, wherein the fixed joint assembly is connected with the rotary locating assembly; the movable joint assembly is rotatably connectedwith the rotary locating assembly; the rotary locating assembly fixes the rotation angle of the movable joint assembly. The contraction assembly comprises a plurality of connecting rods. The sizes ofthe cross sections of the connecting rods decrease gradually. The small-size connecting rods are contained in the big-size connecting rods. In the two adjacent connecting rods, the upper end of the connecting rod on the outer side is connected with the corresponding fixed joint assembly, and the tail end of the connecting rod on the inner side is fixed to the corresponding movable joint assemblyafter the connecting rod on the inner side pulls out the connecting rod on the outer side. The connecting rods in the contraction assembly are pulled out one by one and rotated through the rotary joint mechanisms, the angle of a supporting device can be adjusted, and the appropriate use angle can be adjusted as required. The stretching steerable support is easy to use.

The invention relates to an inner core mold with a contraction function. A main pin makes reciprocating linear movement along the axis of the main pin, and thus first guide rails and second guide rails on the side wall of the main pin drive first core mold bodies and second core mold bodies to make reciprocating linear movement in the radial direction of the main pin. During casting demolding, thecore mold bodies can be inwards contracted, smooth mold stripping can be achieved without arranging a pattern draft casting, and the problems that a deep cavity casting is excessively thick due to the pattern draft process problem, consequently the cooling speed is excessively low, and the processing allowance is large are solved; in addition, it can be guaranteed that the first core mold bodiesare inwards contracted more quickly than the second core mold bodies, and thus it is guaranteed that the first core mold bodies and the second core mold bodies are not mutually locked in the contraction process, so that the contraction process is smoother; and by enabling the included angle between the outer end faces of the side walls of the second core mold bodies and the radial direction of thecorresponding second guide rails to be 85-105 degrees, it can be guaranteed that the first core mold bodies and the second core mold bodies do not interfere during contraction, and the contraction function is achieved better.

The invention discloses a portable bicycle. The portable bicycle comprises a front wheel, a rear wheel, a front supporting direction frame, a main beam rod, an auxiliary beam rod, a seat cushion support, a main chain wheel, an auxiliary chain wheel, a chain, a pedal frame, a supporting rod, a first rotating shaft, a second rotating shaft and a third rotating shaft. The first rotating shaft is arranged between the front supporting direction frame and the main beam rod. The second rotating shaft is arranged between the auxiliary beam rod and the main beam rod. The supporting rod is arranged between the main beam rod and the auxiliary beam rod. The third rotating shaft is arranged between the supporting rod and the auxiliary beam rod. By means of the portable bicycle, the overall contracting function can be effectively achieved, and the portable bicycle can be rapidly folded; and in addition, the folded bicycle can be pushed to move, and the portable bicycle is simple in structure and easy to manufacture and install.

The invention discloses a convenient and practical instant biological gene detection kit which comprises a shell, a bearing plate, trays, a power cavity and a control panel. The power cavity is formedin the shell, a track is arranged at one end inside the power cavity, a flat plate is arranged at the central position inside the track, a drawing opening is formed in the outer side wall of the shell portion at the position of the flat plate, and a groove is formed in the bottom end of the side, close to the drawing opening, of the flat plate. A hinge seat is arranged at two ends in the groove respectively, a supporting rod is hinged in the groove portion at one end of each hinge seat, a recovery plate is arranged in the power cavity above the track, an inclined plate is arranged at one endof the recovery plate, the bearing plate is arranged in the power cavity portion above the recovery plate, the evenly spaced trays are arranged at the top end of the bearing plate, and the control panel is arranged on the outer wall of one side of the shell. The practicability of the detection kit is improved, the environmental pollution caused when the detection kit is used is reduced, and the accuracy when the detection kit is used is also ensured.

The invention relates to the technical field of agricultural irrigation, in particular to a quantitative drip irrigation device for the integration of water and fertilizer for mango seedling cultivation, which includes a first water and fertilizer tank and two fixing seats, and two U The outer walls of the four U-shaped rods are all slidably connected with a plurality of first sliding blocks, and a pair of two U-shaped rods that are facing each other are provided with a plurality of positioning tubes, and the other pair is positioned between the two U-shaped rods that are facing each other. A plurality of positioning posts are arranged between the two U-shaped bars of the pair. In the present invention, the distance between the sliding rod and the U-shaped rod is adjusted by moving the sliding rod up and down, so as to change the distance between the two adjacent first sliding blocks. The distance between the drip irrigators also changes, and when the seedlings are in different growth cycles, the planting density will also change, which can realize the drip irrigation effect of different growth cycles, and improve the drip irrigation effect and the drip irrigation range of the drip irrigators.

The invention discloses a rehabilitation training device for a wrist joint. The rehabilitation training device for the wrist joint comprises a wrist supporting sleeve, a shrinkable shell, a shrinkablethrough groove, a finger fixing sleeve and an arc adjusting plate, wherein the center position of the top end of the wrist supporting sleeve is fixedly provided with the shrinkable shell, and the interior of the shrinkable shell is provided with the shrinkable through groove. The bottom of the end, away from a vertical rod, of a horizontal rod is hinged with a spring supporting seat. The center position of the bottom end of the spring supporting seat is provided with a tension spring. The end, away from a spring supporting seat, of the tension spring is provided with a spring hanging dish, and the bottom end of the spring hanging dish is provided with the finger fixing sleeve. The end, away from the inner wall of the finger fixing sleeve, of a diameter adjusting column is fixedly providedwith the arc adjusting plate. Both side walls of the wrist supporting sleeve below the shrinkable shell are fixedly provided with elastic straps, and the ends, away from the wrist supporting sleeve,of the flexible straps are provided with an inserting ring and an inserting buckle respectively. The rehabilitation training device for the wrist joint not only improves the applicability of the training device, improves the using range of the training device, and is also easy to carry.

The invention discloses a thoracentesis stool with an adjusting function, which comprises a fixed base, a supporting cushion block assembly capable of moving up and down is arranged on the fixed base, an adjusting cushion capable of moving up and down is arranged on the fixed base, and expansion side cushion assemblies are symmetrically arranged on the two sides of the adjusting cushion. A linkage assembly is arranged between the expanding side cushion assembly and the adjusting cushion, the expanding side cushion assembly moves towards the outer side when the adjusting cushion ascends, the model size of the thoracentesis stool can be freely switched, the thoracentesis stool is suitable for being used by people with different body types, the width of the thoracentesis stool can be increased according to the rising of the height of the thoracentesis stool, and the thoracentesis stool is suitable for being used by people with different body types. And the back cushion can be proportionally lifted according to the lifting of the thoracentesis stool, and meanwhile, the thoracentesis stool is suitable for being used by people with small body types, medium body types and above body types, and is wide in application range.

The invention discloses a garden saw convenient to carry. The garden saw comprises a shell, a cavity is formed in the shell, a sliding groove is formed in the right end of the shell, a limiting grooveis formed in the upper end of the shell, a handle is fixedly connected with the left end of the shell, and the limiting groove is in sliding connection with a saw blade device which is connected witha positioning device in a clamping mode. The positioning device is fixedly connected with the shell, a tension device is arranged in the shell, the saw blade device comprises a sliding column, a clamping groove, a saw blade, a supporting bar, a first positioning hole, a second positioning hole, a positioning rod, a connecting rod, a sleeve ring, a limiting rod and a first spring, and the slidingcolumn is in sliding connection with the limiting groove. According to the garden saw convenient to carry, the contraction function can be achieved by using the saw blade device, the saw blade can contract into the shell, the situation that when the garden saw is carried, people are scraped by sawteeth and injured is avoided, and the garden saw is convenient to carry. By means of the tension device, the degree of tightness of the saw blade can be adjusted, so that the situation that because the saw blade is over loosened, the saw dragging effect is affected is avoided.

The invention discloses a compression atomizer, which comprises a main engine bottom shell, a compression main engine and a coaxial fan. The bottom shell of the main engine is connected with a middle shell. The inner surface is provided with a suspension device, the compression main engine is connected with the suspension device, an air duct is provided at the bottom of the main engine bottom shell, and the coaxial fan is placed in the air duct. The suspension device can control the movement of the compression host in the horizontal direction. At the same time, a reasonable gap can be set between the single-column and double-column buffer tubes, which can be positioned without transmitting vibration. The compression atomizer also uses a heat dissipation fan to increase heat dissipation and strengthen the air duct, which improves the suction force of the heat dissipation fan, strengthens the heat dissipation capacity of the compressor host, and prolongs the use time of the compressor host.

The invention discloses a dust protection device. The dust protection device comprises an electric drill main body, wherein a drill bit adjusting ring is connected to the electric drill main body; a drill chuck is connected to the drill bit adjusting ring; and a dust protection device body capable of collecting internal dust in various states is arranged on the electric drill main body. Accordingto the dust protection device, a contraction function is realized through cooperation of a shell, a first inner shell, a second inner shell and a spring, compression can be realized along with drilling of a drill bit, and the drill bit brings the dust into the shell, so that outward diffusion of the dust is prevented, and a protection effect is achieved. In addition, a collecting ring can rotate under the action of a linkage driving device, and can collect the dust even though the drill bit is in different states in order to collect the dust into a collecting cavity continuously.

The invention discloses a bending supporting frame for a desk. The bending supporting frame comprises a desk board, wherein a first fixing block, a second fixing block, a locking ring and a third fixing block are connected with the bottom of the desk board in sequence along a horizontal direction. A first supporting rod is fixedly connected with one side of the first fixing block away from the desk board. A universal wheel is fixedly connected with one end of the first supporting rod away from the first fixing block. A second supporting rod is fixedly connected with one side of the second fixing block away from the desk board. An anti-skid mat is fixedly connected with one end of the second supporting rod away from the second fixing block. A fixing rod is connected between the second supporting rod and the desk board. A third supporting rod is fixedly connected with one side of the third fixing block away from the desk board. A fourth fixing block is fixedly connected with one end of the third supporting rod away from the third fixing block. A first cross rod is fixedly connected with one side of the fourth fixing block away from the third supporting rod. The bending supporting frame is simple in structure and is convenient for operation. A convenient dismounting function is realized. Stabilization performance is excellent. The bending supporting frame has functions of a desk,a chair and a trolley. Moving noises are low.

The invention belongs to the field of vegetable transplanting and relates to a novel perforator for vegetable transplanting. The novel perforator comprises a pressure bar, a casing pipe and a digging bucket. The pressure bar is provided with a wedge-shaped clamp with a downward wedge-shaped structure. Upper and lower ends of the casing pipe are respectively provided with an opening and an enclosed port. The upper end of the casing pipe sleeves the lower end of the pressure bar. The side wall of the casing pipe is provided with a clamping hole. Multiple movable rods are hinged to the lower end of the casing pipe. The other ends of the movable rods are respectively hinged to and uniformly distributed on the same circumference in the digging bucket. The top of the digging bucket is uniformly provided with multiple extending-retracting folding lines connected to the bottom of the digging bucket and the bottom of the digging bucket is provided with a conical cap. In use, a handle is held, the novel perforator is downward inserted into soil and then the pressure bar is lifted so that the soil is dug up along with the digging bucket and thus soil does not fall off and labor efficiency is improved.

The invention relates to the technical field of efficient energy-saving winding and unwinding, in particular to novel net sheet-like winding-unwinding equipment. According to the technical scheme, a main shaft penetrates through an upper damping part and a lower damping part; the position, in the middles of the upper damping part and the lower damping part, of the main shaft is provided with a friction plate; the position, on the upper portion of the upper damping part, of the main shaft is provided with a spring; and the position, on the upper portion of the spring, of the main shaft is provided with a round nut. The upper damping part and the lower damping part transmit power through the friction plate, the compression amount of the spring is adjusted by regulating the round nut, accordingly, the friction force is controlled so that the tension can be controlled, and finally, the tightness degree of winding of a silk net is achieved. In the production process, before winding, the silk net meets with an accident, the tension is increased and exceeds the static friction force between the upper damping part and the friction plate as well as the lower damping part and the friction plate, the rotation speed of the winding shaft is automatically decreased and not influenced by a speed reduction motor.

The invention discloses a gantry crane rolling wheel locking device. The gantry crane rolling wheel locking device comprises a cross beam, moving plates and rolling wheel fixing blocks. A moving wheelset is arranged in the middle of the cross beam. Supports are symmetrically arranged at the left side and the right side of the cross beam correspondingly. The side, far away from the cross beam, ofthe moving wheel set is provided with a transmission chain. A hook is arranged at the side, far away from the moving wheel set, of the transmission chain. A switch is arranged at the side, far away from the hook, of one support. Slide rails are arranged on the surfaces of the two sides of the supports. According to the gantry crane rolling wheel locking device, by means of first electric extending-and-contracting pillars and the moving plates, the function that the two semi-ring rolling wheel fixing blocks ascend and descend is achieved; by means of second electric extending-and-contracting pillars and slide blocks, the function that the two semi-ring rolling wheel fixing blocks shrink is achieved; the two functions are combined, so that the performance that rolling wheels are fixed is achieved; by means of rubber layers on the surfaces of the rolling wheel fixing blocks, resistance between each fixing block and the corresponding rolling wheel is increased, and the fixing performance is improved; and mechanized operation is adopted in the whole process, and potential safety hazards caused by personal error operation are avoided.

The invention provides a sliding rail unfolding type solar cell panel. The sliding rail expansion type solar cell panel comprises a fixing frame; and a contraction structure, which is arranged on thefixing frame, and comprises a rotating motor and a rail. According to the sliding rail expansion type solar cell panel provided by the invention, the supporting structure is arranged and is matched with the contraction structure for use, so that the contraction function of the solar cell toothed plate can be realized. Thus, the solar cell toothed plate can be contracted into the fixed frame in theweather without the sun and is effectively protected by the fixed frame, so that the fixing frame is separated from the external environment, and damage caused by external environment factors to theexterior of the fixing frame is avoided. The fixing frame can automatically contract into the fixing frame in severe weather, so that maintenance by workers is avoided, output of manpower and materialresources is reduced, the fixing frame is more convenient to use, the fixing frame can well cope with different weathers, and the damage probability is effectively reduced.

The invention discloses a cleaning device and method for raw water box dirt removing, and relates to the technical field of cleaning devices. The cleaning device comprises a fixing base, a fixing sleeve and a fixing rod. The fixing base comprises a first circular ring and a second circular ring, and a first blind hole is formed in one surface of the first circular ring and matched with a base of amotor. The inner surface of the fixing base is matched with the fixing sleeve. The fixing sleeve comprises a first cylinder, a second cylinder and a first rotation wheel. The second cylinder is fixedto one end of the first cylinder. A second blind hole is formed in one surface of the fixing sleeve and matched with the fixing rod. A third cylinder is fixed to one surface of the second cylinder and matched with a third blind hole of a rotation sleeve head. A rectangular column is arranged on one surface of the fixing rod, and first connecting bases are arranged on the circumferential side faces of the rectangular column correspondingly. Under the action of the fixing base, the fixing sleeve and the fixing rod on the cleaning device, the problems that due to manual cleaning, the labor intensity is large, and thorough cleaning is difficult are solved, and the beneficial effect of equipment cost saving is achieved.

The invention provides a slide rail unfolded solar battery panel. The sliding rail unfolded solar panel includes: a fixed frame; a retractable structure, the retractable structure is arranged on the fixed frame, and the retractable structure includes a rotating motor and a track. The present invention provides a slide rail unfolded solar cell panel, which can realize the contraction function of the solar cell tooth plate by setting a supporting structure and cooperating with the contraction structure, and can shrink to the inside of the fixed frame when it is in the weather without the sun , through the fixed frame to play an effective role in protecting it from the external environment, to avoid external environmental factors causing damage to the outside, in bad weather, it will automatically shrink to the inside of the fixed frame, no need for staff to maintain , reducing the output of manpower and material resources, it is more convenient to use, it can cope well with different weathers, and effectively reduces the chance of damage.

The invention discloses a rotating cleaning device which comprises a cleaning mechanism and a motion mechanism. The cleaning mechanism comprises a motor and a cleaning connecting shaft. The motion mechanism comprises a long shaft. Two sets of connecting rod mechanisms are arranged on the long shaft. Each set of connecting rod mechanism comprises an upper arm, a middle arm and a lower arm which aresequentially hinged, the lower arms of the two sets of connecting rod mechanisms are connected through a connecting plate, the two lower arms and the connecting plate are rotationally connected, thelong shaft is sleeved with the upper arms of the two sets of connecting rod mechanisms, the two upper arms are each provided with a first steering engine, the corresponding middle arms are driven by the two first steering engines to rotate relative to the upper arms, the upper arm of the left connecting rod mechanism slides in the axial direction of the long shaft, and therefore the whole cleaningmechanism is driven to move in the left-right direction and the vertical direction; the long shaft is driven through a driving mechanism to rotate, and therefore the two connecting rod mechanisms aredriven to swing inside the vertical plane, and then the whole cleaning mechanism is driven to move in the vertical direction. The rotating cleaning device has the advantage that large-range and high-efficiency full-automatic cleaning is achieved.

The invention relates to an automatic carriage body scrolling-type closed system. The front end of a carriage body is provided with an erection mechanism, wherein the erection mechanism is provided with a motor or a hydraulic motor; a rotating shaft is also arranged in front of the carriage body, an awning cloth is wound on the rotating shaft, the other end of the awning extends to the tail end of the carriage body and is provided with a tail end shaft; two side surfaces of a dumper carriage body are respectively provided with a drawing bar, an end A of the drawing bar is hinged with the tail end shaft, and an end B of the drawing bar is hinged onto the two side surfaces of the carriage body by virtue of a rotating supporting point; and two ends of the rotating shaft are provided with a transmission gear, and a drive shaft of the motor or the hydraulic motor is connected with the transmission gears at two ends of the rotating shaft by virtue of a chain. When in use, the drawing bars rise up and drive the awning cloth to move forwards until the awning is completely scrolled, so that conditions such as collision, deformation and the like can be avoided in the process of unfolding and folding the awning cloth, and the phenomenon such as clamping stagnation is also avoided when in movement.