53results about How to "Save loading space" patented technology

The invention discloses a method of compressing an HTTP (hyper text transport protocol) -oriented TCP (transmission control protocol) header compression method in a 6LoWAPN (IPv-over low-power wireless personal area network). The compression and decompression operations of the TCP header are performed in all the HTTP-based communication processes in the network for saving load space, transmitting data of application layers, reducing fragmentation of data link layers and increasing communication efficiency. The method comprises the following steps: an application layer, a transmission layer and a network layer of a transmitting end complete the corresponding operations respectively, and formed IP data is delivered to an adaptation layer; the adaptation layer firstly completes compression of an IP header and an IP expansion header and then compresses the TCP header in the way of a header compression structure of Encoding and In-Line to ensure the compatibility of the compression method and the convenience in operation implementation; and formed 6LoWAPN data is delivered to a data link layer and data link frames are sent a receiving end through the data link layer and a physical layer. The receiving end decompresses the received data according to the reverse processing of the process mentioned above, and then an application layer receives HTTP data transmitted from the transmitting end.

The invention discloses a clamping device for anti-eccentric loading of double-shearing experiment. The clamping device comprises two combined loading heads with the same structure, and each combinedloading head comprises a fork clamp, a flying ring and a bolt pin connecting device, wherein a straight bar part clamped by a tester is arranged at one end of the fork clamp, an open slot is formed inthe center of the other end of the fork clamp along the axis of the fork clamp, one end of the flying ring is coaxially hinged into the open slot of the fork clamp by the bolt pin connecting device vertically running through the fork clamp, and a threaded hole is formed in the other end of the flying ring. The invention also discloses a clamping method for anti-eccentric loading of double-shearing experiment. The clamping device and the clamping method disclosed by the invention can automatically counteract torque caused by clamping a test piece with the tester while the test piece is installed, balance bending moment caused by manufacture error, and prevent the test piece from being twisted and / or being bent due to eccentric action, so as to eliminate the influence of eccentric loading to result of intra-surface loading experiment, ensure a pure shearing loading state and realize pure double-shearing experiment.

The invention discloses a large-aperture ultrawide-angle low-distortion imaging system comprising a glued lens piece formed by a first lens, a second lens, a third lens and a fourth lens, a diaphragmaperture A, a glued lens piece formed by a fifth lens 5, a sixth lens 6 and a seventh lens 7, an eighth lens 8, a ninth lens 8, a light filter 10 and a photosensitive piece 11 which are arranged fromthe object plane to the image plane in turn, wherein the aperture size of the first lens 1 is D1, the distance between the first lens 1 and the photosensitive piece 6 is TL, the total focal length ofthe optical lens is f, and D1, TL and f meet: 0.2<f / TL<0.3 and 0.6<D1 / TL<0.4. The wide-angle light can be effectively converged and 100-degree ultrawide-angle photographing can be realized; the plastic lens can be used and the processing cost can be reduced; and the positive distortion produced by other lens pieces can be effectively neutralized by the R2 plane so as to guarantee low-distortion imaging.

The invention provides a continuous trawl fishing method. The continuous trawl fishing method comprises the steps that a fishing net in a water area is dragged by a ship to perform trawl operation, sothat fished objects to be caught enter a net bag at the tail portion of the fishing net; then the net bag is dragged and moved to enable a fish sucking pipe of a vacuum fish sucking pump to stretch into the net bag; an opening of the fish sucking pipe makes contact with the fished objects in the net bag of the fish sucking pipe, and the vacuum fish sucking pump is operated so as to suck the fished objects in the net bag into a collecting tank through the fish sucking pipe; then the fished objects in the collecting tank are transferred immediately for freezing or direct processing treatment. The fished objects caught through the method is obviously improved in terms of stiffness time, the number of first-grade freshness fishes and the like, the histamine content is remarkably reduced, andthe quality of the fished objects is improved. In addition, the continuous trawl fishing method greatly saves net lifting time, the working intensity of sailors is reduced, and the method has the advantages of being efficient and capable of saving time.

The invention discloses a sand beach garbage sieving and transmission integrated device and relates to sand beach cleaning equipment. The sand beach garbage sieving and transmission integrated device is provided with a sand shovel, a conveying belt, a transmission belt pulley, a conveying belt motor, a sand spit, an inner sieve drum, a bottom sieve tray, spiral sieving blades, a bottom sieve tray belt pulley, a spiral sieving blade belt pulley, a blade motor, a separator, a sand-proof outer bucket, a refuse hopper push rod, a frame, a refuse hopper and a top cover; the sand shovel is fixedly connected to one end of the conveying belt; the other end of the conveying belt is fixedly connected with the sand spit; the bottom sieve tray is in running fit with the sand-proof outer bucket; the inner sieve drum is fixedly connected to the inside of the sand-proof outer bucket; the separator is arranged at one side of the inner sieve drum; the spiral sieving blades are nested on a center shaft arranged on the bottom sieve tray by a hollow shaft; the bottom sieve tray belt pulley and the spiral sieving blade belt pulley are arranged at the top of the center shaft arranged on the bottom sieve tray; the blade motor is arranged on the frame; an output shaft of the blade motor is provided with a driving belt pulley; the driving belt pulley is connected with both the bottom sieve tray belt pulley and the spiral sieving blade belt pulley; the refuse hopper is positioned behind the sand-proof outer bucket, and is hinged to the frame; the refuse hopper push rod is hinged to the refuse hopper.

The invention relates to a six-loop protection valve. The six-loop protection valve comprises an upper valve body, a middle valve body and a lower valve body. The upper valve body is provided with an air inlet, an exhaust port and a pressure regulation part. The middle valve body is provided with an internal air path circulation structure and a valve main body part. The lower valve body is provided with output ports and a pressure sensor output part. The internal air path circulation structure is provided with air pressure cavities, pistons are arranged in the air pressure cavities and provided with spring bases, and the air pressure cavities are provided with holes. The valve main body part is provided with valve main body ports. The pressure sensor output part is provided with pressure sensors. The six-loop protection valve is multifunctional, good in reliability, long in service life, good in real-time performance, good in braking effect and good in independence and safety; the six-loop protection valve is compact in structure, high in intelligence degree and good in reliability and safety, has the loop protection function and saves mounting space in a vehicle, and the service life of the product is prolonged.

The invention discloses a novel telescopic vehicle shed. The novel telescopic vehicle shed is arranged on a vehicle compartment and comprises a plurality of supports, horizontal guide tracks, a tarpaulin, support devices, vertical sliding slots, a horizontal driving device and pulleys, wherein the vertical sliding slots are fixed on two side plates of the vehicle compartment along the vertical direction; the pulleys are matched with the vertical sliding slots and are arranged on the horizontal guide tracks; the support devices are arranged outside the vehicle compartment; the horizontal guide tracks are fixed on the support devices along the horizontal direction; the horizontal driving devices are used for drawing the plurality of supports to move along the horizontal guide tracks; the part, which is positioned at the head part of the vehicle compartment, of each horizontal guide track has an angle of inclination downwards; the plurality of supports are arranged on the horizontal guide tracks, and each support is movably connected with the corresponding horizontal guide track; the tarpaulin covers the top of the plurality of supports. The novel telescopic vehicle shed provided by the invention can realize expansion or contraction along the horizontal direction and expansion and contraction in the vertical direction, so that the novel telescopic vehicle shed is easy to open or close and can keep out rain; the expansion and contraction degree of the telescopic vehicle shed can be changed according to needs and further the loading capacity of the vehicle compartment is changed.

In order to enable a gas-supplying source (22) for operating a chest portion expansion portion (46) and a pretensioner (20) to be mounted on a limited mounting space in a motor vehicle seat (12) by commoditizing the gas supplying source (22), an air belt apparatus (10) for use in a motor vehicle includes chest-restraint webbing (16) having a chest expanding portion (46) corresponding to a chest portion (14B) of an occupant (14) at expansion, lumbar-restraint webbing (18) being pulled out from a retractor (34), and corresponding to a lumbar portion (14W) of the occupant (14), and a single gas-supplying source (22). Since the gas-supplying source (22) that supplies gas to the chest expanding portion (46) and a pretensioner (20) at a motor vehicle collision is unified and commoditized, the gas supplying source (22) can be mounted on a limited mounting space in a motor vehicle seat (12).

The invention relates to a multi-physical parameter sensing device and method based on optical tweezers and spin defects. The device comprises a first laser, a second laser, a first light modulator, asecond light modulator, a beam splitter, a beam combiner, an objective lens, a lens, a first photoelectric detector, a second photoelectric detector, a microwave source, a microwave modulator, a microwave antenna, a double-color sheet, a fluorescence detector and a control display system. Micro-nano diamond particles with spin defects are suspended in an optical trap, and various physical parameters are obtained according to the movement of diamond particles. According to the device and the method, multi-physical parameter sensing at the same spatial position can be realized, and the gradientdifference of information is avoided; according to the device, systems required by different detection objects are integrated together, multi-physical-parameter detection of a single device is achieved, the load space is saved, and the cost is saved.

The invention discloses a large-image-surface and high-resolution video conference optical imaging system. The large-image-surface and high-resolution video conference optical imaging system sequentially comprises a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5, a sixth lens 6 and a seventh lens 7 from the object surface to the image surface, wherein the first lensis a negative-focal-length lens, the object side of the first lens 1 is a convex surface, and the image side of the first lens 1 is a concave surface; the second lens 2 is a positive-focal-length lens, the object side of the second lens 2 is a convex surface, and the image side of the second lens 2 is a concave surface; the third lens 3 is a positive-focal-length lens, and both the object side and image side of the third lens 3 are convex surfaces; the sixth lens 6 is a positive-focal-length crescent lens, the object side of the sixth lens 6 is a concave surface, and the image side of the sixth lens 6 is a convex surface; the seventh lens 7 is a negative-focal-length lens, the object surface and the image surface of the seventh lens 7 are nonspherical surfaces, and the image surface of the seventh lens 7 is provided with at least one inflexion point. The large-image-surface and high-resolution video conference optical imaging system has the advantages that the seven lenses combining nonspherical, spherical and adhering lens are adopted, the height of a photographic plate is IMC, the total focal length of the optical lenses is f, 0.4<f / IMC<0.5, and IMC>17mm; large-dimension imagingrequirements are satisfied, high-resolution imaging of 21 million pixels is achieved, and clear imaging is achieved.

The invention provides a robot and a material grabbing device thereof. The material grabbing device is used for grabbing bagged materials and comprises a frame, wherein a first gripper and a second gripper are oppositely arranged on the frame; the first gripper comprises a first connecting rod frame and a plurality of first gripping teeth detachably arranged on the first connecting rod frame; thesecond gripper comprises a second connecting rod frame and a plurality of second gripping teeth detachably arranged on the second connecting rod frame, the first grabbing teeth are capable of rotatingrelative to the first connecting rod frame, and / or second grabbing teeth are capable of rotating relative to the second connecting rod frame. According to the structure of the material grabbing device, the bagged materials are grabbed by the first gripper and the second gripper when the bagged materials are needed to be grabbed onto a carriage; when closing to the side wall of the carriage, the first grabbing teeth or the second grabbing teeth rotate anticlockwise so as to be straightened downwards, and at the moment, the bagged materials freely fall off the first gripper and the second gripper to complete stacking and abut against the wall of the carriage.

The invention relates to the technical field of ammunition, and particularly discloses a multi-connected cartridge shooting patrol bomb, a system and a working method. A patrol bomb unit comprises a bomb body; a left front wing and a right front wing are arranged on the two sides of the front end of the bomb body; a left rear wing and a right rear wing are arranged on the two sides of the rear endof the bomb body; a left vertical fin and a right vertical fin are arranged on the two sides of the bomb body; a motor is arranged at the rear end of the bomb body; the output end of the motor is connected with a folding propeller; a warhead is arranged in the front end of the bomb body; a battery pack and a power management system are arranged in the middle of the bomb body; and a data transmission, navigation and flight control system and an electronic speed controller are arranged in the rear end of the bomb body. The multi-connected cartridge shooting patrol bomb, the system and the working method have the advantages that a plurality of patrol bombs with bomb body wing surfaces capable of being folded and stored are loaded by adopting a multi-connected launching cartridge with high integration level, so that the multi-connected cartridge shooting patrol bomb can be conveniently installed on a vehicle-mounted or ship-mounted platform in a modular mode, the maneuvering deployment isflexible, meanwhile, multi-shot continuous launching can be realized, the multi-connected cartridge shooting patrol bomb can be used for carrying out group disturbance attack operation on enemy fieldoperation air defense positions, field operation parking places, artillery positions and the like, and the operation flexibility is improved.

The invention discloses a green brick stacking method for pulverized fuel ash pressurizing bricks, belongs to a method for manufacturing the pulverized fuel ash pressurizing bricks, and aims to provide the green brick stacking method which is simple and labor-saving in operation, high in efficiency, and small in loss. The technical scheme is that green brick stacking method comprises the following steps: green bricks (2) are stacked on a flat carrier loader (1) in a side standing manner to form rows of piled bricks; and release paper (3) is laid between two adjacent layers of green bricks (2) of the rows of piled bricks. The transfer path from the bottom up in the shaking of the piled bricks is blocked by the release paper, so that the falling of the upper layer of green bricks due to too high shaking amplitude is avoided. The stacking method has the advantages that the operation is simple and labor-saving, the stacking efficiency is high, the green brick loss is small, and the loading space is saved. The green brick stacking method is used for manufacturing the pulverized fuel ash pressurizing bricks.

The invention relates to an overall type steel-based platform static load test load piling method for civil engineering. The overall type steel-based platform static load test load piling method for civil engineering is characterized in that the method is performed according to the following steps that, a steel-based platform is selected, a jack is installed at the center of test points, a main beam is installed on the steel-based platform, a jack cylinder body and the main beam are effectively connected, and the steel-based platform and the main beam are effectively connected; a reference beam is installed, and loads are piled; after the weight of the piled loads reaches a regulated weight and a test instrument meets the test requirement according to check, test loading can be performed;after a test ends, parts of the loads are unloaded; and the steel-based platform, the main beam and part of the loads are transferred to a next test point, the above steps are repeated till detectionof the test points of the whole program ends. By means of the load piling method, the large tonnage load piling potential safety hazards can be eliminated, the detection time and the detection cost are saved, a large tonnage static load experiment can be safely and conveniently implemented, integrity is good, self moving can be achieved, speed is high, cost is low, and energy conservation and environmental protection are achieved.

The invention discloses a glass stand which comprises a bottom frame and a leaning vertical frame. The bottom frame comprises a plurality of bottom rods, supporting legs arranged at the bottoms of one ends of the bottom rods, and blocking rods arranged perpendicular to the bottom rods. A first beam and a second beam are arranged at the two ends of the bottom rods respectively. The leaning vertical frame comprises leaning rods connected with the other ends of the bottom rods, and supporting rods arranged on the rear portions of the leaning rods. Detachable containing devices are arranged between the leaning rods and the blocking rods. One ends of the leaning rods are connected with the bottom rods through the second beam. A third beam is arranged at the other ends of the multiple leaning rods. The rear portion of each leaning rod is provided with a corresponding supporting rod, transverse rods are arranged between the adjacent leaning rods, and a containing space is formed under the interaction of each supporting rod, the corresponding transverse rod and the corresponding two leaning rods, and therefore multiple containing spaces exist. The requirement for containing glass of various sizes is met by changing stacking platforms of the containing devices, the containing spaces of the glass stand lean one another during truck loading, the loading space in a truck can be saved, and stable and firm supporting can be formed.

The invention discloses an exhaust manifold assembly structure which is symmetrical and compact in structure. By the aid of the exhaust manifold assembly symmetrical in structure, tail gas entering a three-way catalyst is ensured to be even, and air pressure impulse interference is reduced. Sub-branch manifolds connecting with every cylinder cover exhaust port are preferably converged to form 'Y'-shaped branches, and the 'Y'-shaped branches are converged at the position of a main exhaust manifold of the exhaust manifold, so that the exhaust manifold assembly is ensured to be shorter and more compact in structure, stroke length of the exhaust manifold assembly is shortened, and high converting efficiency and good durability of the three-way catalyst can be guaranteed.

The invention discloses a method for testing reliability of an electro-hydraulic-magnetic-hybrid-loaded servo power tool rest. An electro-hydraulic and magnetic hybrid loading servo power tool rest reliability test platform comprises a console, a tool rest, a hydraulic system, a common tool bit loading system, a loading system base and a power head loading system. A servo power tool rest transposition test, a servo power tool rest common tool bit loading test, a servo power tool rest 90-degree loading test and a servo power tool rest 180-degree loading test are carried out; the power head loading system can realize conversion between 90-degree power head loading and 180-degree power head loading; a dynamic load is loaded and applied and a dynamic load condition is detected; the dynamic force application condition is detected and recorded through a displacement sensor and a force detection coil, and the torque application condition is obtained through an electric dynamometer.

The invention discloses a pure electric vehicle dual-motor coupling driving device and a hill-holding control method thereof. The pure electric vehicle dual-motor coupling driving device comprises a vehicle control unit, a first motor controller, a second motor controller, a main motor, an auxiliary motor, a first electromagnetic clutch, a second electromagnetic clutch, a planetary gear mechanism,a transmission shaft, a speed reducer and a differential mechanism. During work, when it is detected that the gradient is smaller than phi, the first motor controller controls the main motor to entera parking slope, the first electromagnetic clutch is closed, and the second electromagnetic clutch is disconnected; and when it is detected that the gradient is larger than or equal to phi, the torque M0 of the auxiliary motor is directly requested, the first motor controller calculates the torque needing to be output by the main motor according to the torque needed for achieving slope parking and the torque M0 provided by the auxiliary motor, and the first electromagnetic clutch and the second electromagnetic clutch are closed at the same time. The device can be used for the dual-motor electric automobile, and the motor utilization rate is effectively increased while a problem that an existing dual-motor electric automobile is parked on a slope under a large slope is solved.

The invention discloses a dual-horizontal-auger conveying tank for transporting bulk feed or grain and belongs to the field of carrier vehicles / semitrailers for bulk feed or grain. A dual-horizontal-auger loading system, a door opening and material discharging system and a four-bar linkage feeding door mechanism are arranged on a tank body of the conveying tank. Materials enter the tank body to be stored through the four-bar linkage feeding door mechanism, then enter the dual-horizontal-auger loading system through the door opening and material discharging system, and are discharged outside through the door opening and material discharging system. The dual-horizontal-auger loading system comprises a dual-horizontal-auger shaft assembly, a transverse auger assembly and a vertical lifting auger assembly, wherein the dual-horizontal-auger shaft assembly, the transverse auger assembly and the vertical lifting auger assembly are connected in sequence. According to the dual-horizontal-auger conveying tank for transporting bulk feed or grain, the structure intensity of the tank body is guaranteed, the structural design of the tank body is changed effectively, the dual-horizontal-auger greatly enlarges the loading volume of the tank body, and increases the unloading speed at the same time, auger conveying systems are fixedly connected on the tank body structure, a part of loading space occupied by the auger conveying systems mounted on the outer rear portion of the tank body is reduced, and the loading space of the tank body is enlarged.

The invention discloses a reusable electricity guard hanging slot group for construction of a hanging basket. The electricity guard hanging slot group is used for protecting a hanging basket during construction of an interchange spanning an electrified railway. The electricity guard hanging slot group is composed of a plurality of electricity guard hanging slots, hinging self-locking type suspension devices, centripetal differential pressure type water connecting pipes, fasteners and insulation wrapping baffles. The safety reliability of hanging of the electricity guard hanging slots can be guaranteed through the hinging self-locking type suspension devices; the electricity guard hanging slots can be guaranteed to be water-tight through the centripetal differential pressure type water connecting pipes; the strong wind resistance and impact resistance abilities of the upper retaining parts of the baffles can be enhanced through hinging supporting frames of the insulation wrapping baffles. As the structures of the electricity guard hanging slots are adopted, the non-deformation can be guaranteed during transportation and use, the loading space is saved during stacking and transportation, the transportation cost is lowered, the damage to the insulation plates is not caused, and the electricity guard hanging slots are guaranteed to be reusable, so that the reusable electricity guard hanging slot group has significant technical and economic benefits.

The invention relates to cement treatment, in particular to a cement damp caking treatment device. The cement damp caking treatment device is wide in application range and has screening and crushing functions. According to the technical scheme, the cement damp caking treatment device comprises arc-shaped supporting plates and the like; one sides of the two arc-shaped supporting plates are arc-shaped, one sides of the arc-shaped supporting plates are smooth surfaces, two first supporting plates are arranged between the two arc-shaped supporting plates, second supporting plates are fixedly arranged at one ends of the first supporting plates and the arc-shaped supporting plates, and L-shaped plates are fixedly arranged at one sides of the second supporting plates; and the cement damp caking treatment device further comprises a power mechanism and a crushing mechanism. The screening mechanism is additionally arranged in the device, placed cement blocks are screened for the first time, hardblocks which cannot be used and loose blocks which can be crushed are screened, and the charging space of the device is well saved.

The invention relates to a mining environment detection robot control system, the optical fiber port of the Ethernet network server is connected with the relay module, the antenna interface of the Ethernet network server is connected with the forward antenna; the three ports of the Ethernet network server The PoE ports are respectively connected to the front IP camera, the rear forward IP camera and the rear rear IP camera, and the three RJ45 ports of the Ethernet network server are respectively connected to the motion control board, data acquisition board and audio intercom module; The above-mentioned audio intercom module is connected with the intrinsically safe intercom system. The control system has strong integration ability and good scalability, which is conducive to the realization of mechatronics, reduces the loading space, and is also conducive to the transplantation of the system, shortens the development cycle, and reduces the development cost; it can quickly respond to dynamic changes in the environment, so as to adapt to non-standard Structured environment, and can meet the cooperation of multi-robot system.

By designing of a novel folding mechanism and unfolding-locking device on a wing and a fuselage, the invention provides a foldable catapult type unmanned aerial vehicle which can be folded, can save loading space, can be suitable for catapult type takeoff and can be automatically unfolded. The foldable catapult type unmanned aerial vehicle can be applied to cross-shaped and I-shaped unmanned aerial vehicles, and can be applied to other types of unmanned aerial vehicles, such as multi-rotor type, and the wide application range is achieved. The unmanned aerial vehicle can be folded and loaded when not used, so that storage space and loading space are saved. The unmanned aerial vehicle can automatically unfold the wing when the unmanned aerial vehicle takes off, and automatically lock up whenthe wing reaches the full unfolding position, so that the wing is fixed at the required position, and the foldable unmanned aerial vehicle can be applied to the catapult type takeoff. The foldable catapult type unmanned aerial vehicle is exquisite and reasonable in design, easy to load and transport, capable of automatically unfolding during the catapult type takeoff, and capable of filling the blank in the field.

The invention discloses a fast detaching and mounting structure for a battery of a scooter. The fast detaching and mounting structure is composed of a battery box and a scooter frame. The battery box comprises a battery box body, and an upper cover, a lower cover and a handle are arranged on the battery box body. The storage battery is arranged in the battery box body. The scooter frame comprises a battery box fixing position which is provided with a fixing wall, and peripheral chamfers are arranged on the fixing wall. The fast detaching and mounting structure for the battery of the scooter is reasonable in design, loading space obtained after the scooter is detached and mounted is saved to the maximum extent, and the problem that an existing scooter on the market is large in size and inconvenient to carry is solved.

The present invention relates to the field of transport equipment for containers, in particular to a multifunctional mobile pallet with a locking device, comprising a chassis (1) and a cargo fixing device (4), the two sides (101) of the chassis (1) and the rear edge ( 103) The two included angle parts are provided with a rear edge locking device (2), and the pallet can be reliably fixed in the container through the rear edge locking device (2); the cargo fixing device (4) consists of two Or four support surfaces, each support surface is composed of two rotatable support beams (401), the support beams (401) are connected with the longitudinal channel steel of the chassis (1) through pin shafts (402), and the support beams (401 ) The movable ends are locked with each other through the card slot to form a stable triangular support surface, so as to ensure that the round goods placed on the pallet will not slip. When loading ordinary cargo, the movable ends of the support beam (401) are unlocked and locked to each other, and are stored under the upper plane of the chassis (1) through the rotation of the pin shaft (402), which is simple and convenient to operate.

The invention relates to an ultra-wide-angle small imaging optical lens, which is sequentially provided with a first lens (1), a second lens (2), a third lens (3), a diaphragm aperture (4), a fourth lens (5), a fifth lens (6), a sixth lens (7), an optical filter (8) and a light sensing sheet (9) from an object surface to an image surface, wherein the aperture of the first lens (1) is D1, the distance between the first lens (1) and the light sensing sheet (9) is TL, the total focal length of the optical lens is f, and the aperture D1, the distance TL and the total focal length f meet the following conditions: f / TL is greater than 0.12 and less than 0.14, and D1 / TL is greater than 0.87 and less than 1.03. The ultra-wide-angle small imaging optical lens effectively rounds in wide-angle lightand realizes 180-degree ultra-wide-angle camera shooting.

The invention discloses a multifunctional garbage treatment and transportation device. The device comprises a transportation vehicle cab, moving wheels, a transportation vehicle fixing plate, a transportation vehicle carriage, a garbage containing box, a garbage can cover plate, a garbage compaction device, garbage can cleaning devices and a sewage discharging pipeline. Through a hydraulic air cylinder and a garbage compaction plate of the garbage compaction device, the loading space of a garbage transportation vehicle is saved, and the garbage transportation efficiency is improved. The garbage containing box is a replaceable garbage can, a new garbage containing box can be directly replaced after the garbage containing box is used for a period of time, losses of the garbage transportationvehicle are reduced, the garbage can cleaning devices are arranged at the two sides of the top of the inner wall of the transportation vehicle carriage, garbage in the garbage containing box can be flushed away through high-pressure cleaning spray heads, and cleanliness is guaranteed; and the peculiar smell of the garbage transportation vehicle is reduced.