61results about How to "Avoid sloshing" patented technology

The present invention relates to a process cartridge, comprising a photosensitive drum driving component in conjunction with an image forming apparatus driving head, wherein said image forming apparatus driving head includes a twisted recess and said photosensitive drum driving component includes a drum gear provided at an end of a photosensitive drum and connected to the photosensitive drum, a drum shaft outwardly projected in an axis direction from an end of the drum gear for rotatably supporting said photosensitive drum during operation and a boss outwardly projected from an end surface of the drum shaft. A first teeth and a second teeth in a radial direction of the boss are provided on a side wall of said boss, wherein said first teeth is engaged with a twisted-section of the twisted recess in said image forming apparatus and said second teeth is engaged with an end surface edge of other twisted-sections of the twisted recess in said image forming apparatus. Thereby, the process cartridge according to this invention ensures an effectively and continuously transmitted driving force and contains a simple prepared photosensitive drum driving head, which will be less damaged even during long time operation.

The invention relates to a flight buffer, in particular to a dual-voltage driven and controlled buffer with an atomized oil cavity loop. An oil outlet is arranged on a buffer piston rod; the oil outlet of the piston rod is connected with the oil inlet of a second high-speed unidirectional switch valve bank through an oil pipeline; the oil outlet of the second high-speed unidirectional switch valve bank is connected with the oil inlet of an external oil cavity through the oil pipeline; the oil outlet of the external oil cavity is connected with the oil inlet of a first high-speed unidirectional switch valve bank through the oil pipeline; and the oil outlet of the first high-speed unidirectional switch valve bank is connected with the oil inlet on the side wall of an outer cylinder through the oil pipeline. The main body of the dual-voltage driven and controlled buffer with an atomized oil cavity loop provided by the invention comprises an inner cylinder and an outer cylinder and is not provided with oil holes, oil needles and other oil quantity regulating components, thus the structure is simple. Double voltages are used for driving and controlling high-speed switch valves to be opened or closed, thereby increasing the response speed of the high-speed switch valves.

The invention discloses a suspended glass insulator chain lifting clamp. The suspended glass insulator chain lifting clamp comprises a semi-circular first clamp body and a semi-circular second clamp body, two ends of each of the first clamp body and the second clamp body are bent outwards to form mounting lugs, corresponding mounting lugs of the first clamp body and the second clamp body are movably connected via connection shafts, U-shaped lifting lugs are arranged on the connection shafts, a surrounding plate which is a curved plate with the radius gradually increasing from bottom top is arranged at the upper end of each of the first clamp body and the second clamp body, and a fixing ring is arranged on the outer circumferential face of each of the first clamp body and the second clamp body. Since the surrounding plates and the fixing rings capable of connecting fixing ropes are arranged on the lifting clamp, the suspended glass insulator chain lifting clamp can be prevented from inclining upwards by the surrounding plates, the integral lifting clamp and insulator chains on the lifting clamp can be prevented from swaying in the air by the two fixing rings, the insulator chains can be fed in to the air stably and quickly, and the suspended glass insulator chain lifting clamp has the advantages of simple and compact structure, convenience in use, low in cost and the like.

The invention provides a two-body liquid cargo tank and a liquid cargo ship. The liquid cargo tank comprises left and right tank bodies welded jointly, the left and right tank bodies are respectively hermetically abutted to form a whole through axial openings, and a storage space is formed inside the left and right tank bodies. A longitudinal bulkhead is connected to the joint of the two tank bodies and partitions the two-body liquid cargo tank into a left cabin and a right cabin, and the longitudinal bulkhead is provided with a plurality of holes through which the left cabin and the right cabin are communicated. A transverse swash bulkhead is not adopted, and a closed structure of the longitudinal bulkhead without holes is modified into a through structure with the holes. Due to lightening holes and drain holes distributed in the longitudinal bulkhead, the left cabin and the right cabin are communicated with each other, and a tank shell structure supporting function as well as a buffering function are realized. In addition, the longitudinal bulkhead is structurally lightened in weight, and high economy is achieved.

A meter device includes a dial having a display design, a case which is disposed on one side of the dial, and supports the dial, a substrate which is disposed on a side of the case opposite to the dial, the substrate being provided with an electric component for display driving of the dial, a plurality of engagement claws each of which is raised toward the substrate from an outer circumferential portion of the case, and is formed to be elastically deformable in inward and outward sides of the case, and a claw part which projects in an inward direction of the case from a leading end part of the engagement claw, and has an engaging face engaging with an outer circumferential edge portion of the substrate from a side of the substrate opposite to the case side, so as to fasten the substrate to the case.

The invention relates to a focusing transmission of a shadowless lamp, in particular to a focusing mechanism of an LED shadowless lamp, which comprises a disc-shaped shadowless lamp bracket. A focusing driving device is arranged in the center of the lamp bracket, a plurality of LED lamp holders are disposed on the lamp bracket and are annularly distributed on the periphery of the focusing driving device, one end of each lamp holder is hinged with the outer edge of the lamp bracket, the other end of each lamp holder is in movable lap joint with the focusing driving device, and a pre-tightening spring is disposed at a moveable end of each lamp holder and is fittingly connected with the lamp bracket. The focusing driving device realizes transmission focusing by the aid of a lead screw, has manual and electric double adjustment effects, and is high in adjustment stability and stability. In addition, the focusing mechanism is convenient in use, simple in structure and low in manufacturing cost, and has certain popularization and utilization values.

The invention discloses a bimetal low-temperature film storage cabin for storing liquefied natural gas. Metal film plates are used for replacing existing films, the dependence on the films of specialequipment is reduced, global supply is achieved, the metal film plates are used for replacing the existing films, the application of low-temperature-resistant glue in field construction is reduced, alarge number of workshop pre-insulating plates are greatly used, the field workload is reduced, and the construction progress is accelerated. Besides, generally mature automatic welding and manual welding work is adopted for the metal film plates, so that the workload is reduced, the safety of the low-temperature film storage cabin is improved, the limitation of the cargo cabin on free liquid level loading of liquid cargoes is reduced, and the application and time consumption of the low-temperature-resistant glue in the construction process are reduced; and a mature and safe bimetal film platewelding design manner and an environment-friendly manner of prefabricating foaming insulation panels in advance are adopted, so that the construction workload is reduced, the construction period is shortened, the equipment safety is improved, and the concept of environmental protection can be achieved.

The invention discloses a cargo oil tank for a floating oil storage unit. The cargo oil tank comprises a housing, wherein the housing has two layers and is provided with a transverse bulkhead and a longitudinal swash bulkhead; the transverse bulkhead has two layers and is connected with the housing; the longitudinal swash bulkhead is connected with the transverse bulkhead and the housing; a watertight horizontal girder is arranged in the housing; a first cabin is formed between the space above the watertight horizontal girder and the housing; a second cabin is formed between the space below the watertight horizontal girder and the housing; the first cabin is filled with water; the second cabin is empty; and the transverse bulkhead is filled with water. Through the longitudinal swash bulkhead, cargo oil in the cargo oil tank is effectively prevented from swaying, and an effective supporting function is exerted; through the housing and the transverse bulkhead, the cargo oil in the cargo oil tank is prevented from leaking, and fire-proof, explosion-proof and heat-insulated functions can be exerted; the cargo oil tank meets the oil storage requirements; and the safety, economical efficiency and reasonableness are ensured.

The invention provides a method for installing ceiling installation equipment. The method comprises the following steps of: a, preparing installation assemblies; b, punching holes at preset positions of a roof according to requirements; c, correspondingly fixing and connecting the tops of suspension rods into the holes; d, making the bottoms of the suspension rods correspondingly pass through through holes of upper lapped parts of keels; e, adjusting lapped keels to preset height and fixing the lapped keels; f, arranging positioning members between any two adjacent rows of the lapped keels; g, clamping and fastening the ends of the positioning members and the lapped keels by using fasteners; h, arranging lapped plates on lower lapped parts of any two adjacent rows of the lapped keels; and i, finishing construction. The method for installing the ceiling installation equipment is easy to operate and has high working efficiency and the installed ceilings do not have gaps.

The invention discloses an arrow casting robot and a casting method, and relates to the technical field of robots. The arrow casting robot comprises a movable rack, an arrow holding and transferring mechanism, an arrow casting mechanism and an arrow angle adjusting mechanism; the arrow holding and transferring mechanism comprises a bearing frame, a lifting plate, a rotation driving assembly, a lifting driving assembly, a multi-degree-of-freedom mechanical arm and a clamping jaw; and the arrow casting mechanism is arranged on the rack, is provided with an arrow hanging position for hanging an arrow, and is used for casting the arrow hung on the arrow hanging position. The arrow casting method is applied to the arrow casting robot and comprises the following steps of 1, grabbing the arrow; 2, hanging the arrow on a casting frame; 3, adjusting the hanging posture of the arrow; and 4, casting the arrows. The arrow casting robot has the advantages that arrows can be automatically grabbed, transferred and launched, manual intervention is not needed in the whole archery process, and the intelligent degree and the automation degree are high.

The invention discloses a storage structure for storing liquefied natural gas and a standard template for forming a shielding film, the storage structure comprises a supporting plate, an insulating plate and the shielding film, the shielding film is made of the standard template, the supporting plate is connected with the insulating plate and the shielding film, the insulating plate is fixed on the supporting plate, and the insulating plate is formed by splicing a plurality of standard modules. An existing film is replaced with a steel film plate, dependence on a special equipment film is reduced, global supply is achieved, the working hours of glue bonding, waiting and drying on site are reduced, welding work familiar to a shipyard is changed, and the workload is reduced; and partial prefabrication can be performed before the ship is closed, so that the construction period is shortened.

The invention provides a disc brake which realizes a structure capable of achieving the sharp stabilization for the inward and outward pads (5a), and reducing pulling and vibration (noise, tremble) for the pads (5a). Among abutment parts of pad-side engagement parts (11a, 11b) and support-member-side engagement parts (10a, 10a), a portion (Af) which bears a tangential force (Ff) applied to the pad (5a, 6a) during a forward rotation of the rotor on a forward side of the forward rotation of the rotor is positioned inwardly in a radial direction of a rotor with respect to a virtual tangent (k) at a centroid (O) of the pad (5a, 6a) of a virtual circle having a center identical with a center of the rotor and passing through said centroid (O). Among the abutment parts, portions (Bf, Cf) which bear a rotational moment (Mf) applied to the pad (5a, 6a) during the forward rotation of the rotor are positioned at the circumferential both end parts of a support member (2a) and outwardly in the radial direction of the rotor with respect to the virtual tangent (k).

The invention relates to a submersible transporting, laying and recovering system and method, and belongs to the technical field of submersible related equipment. The system comprises a hoisting system, a transporting system and a dragging system, the stern or the side of the ship is provided with the hoisting system for hoisting the submersible, and the ship deck adjacent to the hoisting system is provided with the transporting system for transporting the submersible; and the dragging system for recovering the submersible is arranged in the ship body below the hoisting system. The hoisting system is large in rotating angle so that the submersible is conveniently and safely lifted and placed; the hoisting system is rigidly connected with the submersible so that the submersible is effectively prevented from swinging along with the ship; the transporting system has an anti-overturning function and can efficiently and reliably transport the submersible to a hoisting position; the draggingsystem can ensure the floating state and stability of the submersible in water. The system and the method overcome the defects of an existing submersible laying and recovering system, and it can be guaranteed that the submersible can be safely, reliably and efficiently transported, laid and recovered.

The invention relates to the technical field of ship equipment, and discloses a marine collapsible antenna base. The marine collapsible antenna base comprises a main body base, a base body and a driving piece, the base body comprises a sleeve rotationally assembled with the main body base and a telescopic column movably assembled in the sleeve in the axial direction of the sleeve, a guide groove extending in the axial direction of the sleeve is formed in the inner wall of the sleeve, and a guide column assembled with the guide groove in a guiding mode is arranged at the bottom of the telescopic column. When the ship passes through the height limiting area, the base body is rotated to be in a put-down state, the height of the antenna can be reduced, and the ship can pass through the heightlimiting area; in a severe weather environment, the base body is rotated to be in a put-down state, so that the antenna can be prevented from being damaged; meanwhile, the telescopic column of the base body is movably assembled in the axial direction of the sleeve, when the base body is rotated to be in a put-down state, the telescopic column can be contracted in the axial direction of the sleeve,the space occupied by the base body is further reduced, meanwhile, the overall structural strength of the base body is improved, and the situation that the antenna shakes and is damaged is avoided.

A steering apparatus capable of preventing shape distortion of a bearing from an inner column due to tightening during tilt-and-telescopic adjustment and securing both telescopic travel of the inner column and tightening retention. The steering apparatus has a steering shaft 7, an inner column 2 that supports the steering shaft 7 via a bearing 81, an outer column A that embraces the inner column 2, a fixing bracket 1 that sandwiches the outer column A from both sides in a width direction, and a tightener 6 that tightens and releases the outer column A together with the fixing bracket 1. The inner column 2 has an embraced cylindrical section 21 that is embraced by the outer column A. A relief section 212 having an outer diameter that is formed smaller than other portions of the embraced cylindrical section 21 is formed in a middle region of the embraced cylindrical section 21 in an axial direction, and the bearing 81 that pivotally supports the steering shaft 7 is fixed to an inner circumferential side of the relief section 212.

An arrow projecting robot and a projecting method relate to the field of robot technology. The arrow throwing robot includes a movable frame, an arrow picking and transferring mechanism, an arrow throwing mechanism and an arrow angle adjustment mechanism; the arrow picking and transferring mechanism includes a carrying frame, a lifting plate, a rotating drive component, a lifting drive Multi-degree-of-freedom mechanical arm and grippers; the arrow ejection mechanism is set on the frame, on which there is an arrow hanging position for hanging arrows, which is used to hang arrows on the hanging position Throw out. An arrow throwing method, which is applied to an arrow throwing robot. The throwing method is as follows: 1. Grab the arrow; 2. Hang the arrow on the throwing stand; 3. Adjust the hanging posture of the arrow; Archery arrows. The invention has the advantage that it can realize the automatic grasping, transfer and launch of arrows, the whole archery process does not need manual intervention, and the degree of intelligence and automation is high.

The invention discloses a high-efficient fertilizer packaging device. The high-efficient fertilizer packaging device comprises a base, wherein a packaging disc is arranged above the base; a plurality of bag fixing blocks are arranged at the bottom end of the packaging disc; feeding through holes are formed in corresponding positions of the bag fixing blocks and the packaging disc; a plurality of bag clamping devices are arranged on the side faces of the bag fixing blocks; a plurality of vertical baffle plates are arranged on the base and are under the bag fixing blocks; the base is connected with the packaging disc through a rotary shaft; a moving mechanism is arranged below the base; the base and the packaging disc are driven by the moving mechanism to rotate around the axis of the base; a discharging pipe is arranged above the feeding through holes; and the discharging pipe is connected with a material storage device. The high-efficient fertilizer packaging device can continuously filling and packaging fertilizer to improve the working efficiency and save plenty of manpower and material resources.

The invention discloses a remote transportation device for chemical materials, and relates to the technical field of material transportation. The remote transportation device comprises a compartment, wherein a plurality of supporting springs are evenly and fixedly installed at the bottom of the compartment, a material carrying box is fixedly installed at one ends of the supporting springs, two lead screws are rotationally connected between the inner top and the inner bottom of the material carrying box, the peripheral side faces of the lead screws are in threaded connection with an anti-oscillation plate, through holes are evenly formed in one surface of the anti-oscillation plate, the two opposite inner side walls of the compartment are fixedly connected with two arc-shaped elastic plates respectively, and the outer walls of the arc-shaped elastic plates are fixedly connected with the outer side face of the material carrying box. Through the design of the supporting springs, the material carrying box, the lead screws, the anti-oscillation plate, an arc-shaped elastic plates and a pressure relief pipe, the anti-oscillation plate prevents liquid in the material carrying box from oscillating, liquid chemical material explosion caused by collision of the material carrying box is prevented, and the problems that in the existing liquid chemical material transportation process, the chemical material volatilizes, the pressure intensity in the transportation box is too large, and explosion easily occurs after collision are avoided.

The invention relates to the field of furniture factory furniture formaldehyde removal devices, in particular to a formaldehyde removal device facilitating chip removal. The formaldehyde removal device comprises a base, a damping structure, a stamping structure, a take-up structure, a limiting structure and a processing structure; the stamping structure is installed on the base, the interior of acontainer containing a formaldehyde removal agent can be continuously pressurized through a labor-saving treading action of a lever, and the formaldehyde removal agent can be finally sprayed out in amist shape, so that the labor-saving effect can be achieved, the formaldehyde removal effect can be better, gas can be extruded into another container, it can be guaranteed that final gas is sprayed out at high pressure, wood chips and dust accumulated on the surface of furniture can be removed in time, and subsequent formaldehyde removal work can be better conducted; and through the installationof the take-up structure, a pipeline can be wound and stored, not only can the pipeline be conveniently drawn to carry out ash removal and formaldehyde removal work on the large-area furniture, but also the pipeline can be automatically wound and stored after the work is finished.

The invention relates to a medical instrument, in particular to a fat collecting and processing device for a transplantation operation. The fat collecting and processing device comprises a box, a containing plate is transversely arranged in the box, multiple containing holes are formed in the containing plate, fixing mechanisms are arranged in the containing holes, a driving mechanism for drivingthe fixing mechanisms to rotate is arranged below the containing plate, the fixing mechanisms comprise fixing rings, multiple clamping plates are arranged below the fixing rings, one ends of the clamping plates are hinged onto the fixing rings, the other ends of the clamping plates are hinged with containing rods, driving rings are concentrically and rotationally arranged outside the fixing rings,and the other ends of the connecting rods are hinged to the driving rings; a rotating shaft is arranged on the side wall of the top of the box, a connecting plate is connected on the rotating shaft,and a cover plate is slidingly arranged at the top of the box, and is detachably connected with the connecting plate. By means of the fat collecting and processing device for the transplantation operation, the problem that an injector in the prior art is unstably fixed is solved.

The invention provides a pesticide box for a crop spraying unmanned aerial vehicle. The pesticide box does similar tumbler actions through a pesticide box guide mechanism and a balancing weight and cannot shake and swing too much along with changes of the posture of the unmanned aerial vehicle, meanwhile, multiple annular baffles are arranged in the pesticide box, and the shaking problem of the pesticide box is further reduced; the pesticide box is arranged in the lower frame of the unmanned aerial vehicle through a pesticide box lifting adjusting mechanism, the pesticide box can be driven tomove upwards when pesticide liquid is reduced, and therefore it is guaranteed that the gravity center of the pesticide box cannot deviate downwards along with reduction of the pesticide liquid, and the flight stability of the unmanned aerial vehicle is further improved. Meanwhile, the balancing weight on the lower portion of the pesticide box is arranged to be of an iron structure, the magnet structure is arranged at the tail end of the discharging pipe, and thus the problem of pesticide liquid residues in the pesticide box is solved.

The invention belongs to the technical field of pesticide boxes, and particularly relates to a farm-oriented plant protection unmanned aerial vehicle pesticide box capable of reducing pesticide liquid tilting and swinging. The farm-oriented plant protection unmanned aerial vehicle pesticide box capable of reducing pesticide liquid tilting and swinging aims to solve the problems that the load of an unmanned aerial vehicle flight control system is seriously increased and even crashing of an unmanned aerial vehicle is caused due to the fact that the gravity center of an unmanned aerial vehicle system is not stable due to the fact that when an existing pesticide box contains pesticide liquid, the pesticide liquid can be subjected to continuous tilting and swinging with a slight deflection of an aircraft. According to the following scheme, the farm-oriented plant protection unmanned aerial vehicle pesticide box capable of reducing pesticide liquid tilting and swinging comprises a box body, wherein the upper end face of the box body is arranged to be open, a sealing plug plate is slidably connected to the wall in the box body in a sealed mode, a plurality of spring grooves are equidistantly formed in the bottom end face of the sealing plug plate, and sliding rods are transversely and fixedly connected into the spring grooves correspondingly. According to the farm-oriented plant protection unmanned aerial vehicle pesticide box capable of reducing pesticide liquid tilting and swinging, the pesticide liquid is prevented from being subjected to continuous tilting and swinging with the slight deflection of the aircraft, the instability of the gravity center of the unmanned aerial vehicle system is avoided, and the load of the unmanned aerial vehicle flight control system is alleviated.

The invention discloses a microbial culture device for biotechnology, and relates to the technical field of biotechnology, and the microbial culture device comprises a composite mechanism. According to the microbial culture device for the biotechnology, through the design of a composite mechanism, a culture medium is placed in a culture dish, and the culture dish is placed in a fixing assembly by pulling a bearing bracket, so that the effect of fixing an object is achieved, shaking during operation is prevented, and the situation that the culture effect is affected by collision and breakage of the object is avoided; the side, close to the composite shell, of the connecting support is of a beveled structure, liquid flowing is facilitated, liquid residues are reduced, the culture effect is prevented from being affected, when culture is conducted in the composite shell through a culture dish, operation is conducted through a sprayer and a heater according to changes of humidity and temperature, and then the culture dish is taken out after culture is finished; and the interior of the equipment is sprayed through the sprayer, the bearing support is rubbed through the cleaning assembly, internal washing is cleaned, and impurities and stain residues are reduced.

The invention discloses a facial covering device for automobile seats, comprising a backrest and a light-shading device. Each side of the backrest is provided with a side limiting step, the upper portion of the back of the backrest is provided with a back magnet, the backrest is releasably connected with a shaft seat in a position correspondingly below the back magnet, a rotary shaft is rotationally arranged on the shaft seat, both ends of the rotary shaft are in rotational fit with first, second, third and fourth arc ribs, the first, second, third and fourth arc ribs fit with light-shading fabric, the light-shading device is composed of arc ribs and the light-shading fabric, and a transverse rib is connected to the middle of the fourth arc rib. The facial covering device for automobile seats is simple in structure, low in manufacture cost, free to contract and extend, flexible to operate and small in size, can provide a suitable sleep environment for passengers with carsickness, and can prevent disturbances.

The invention discloses a seedling transportation device with a protective structure, which includes a placement pot, a plurality of vertical clamping rubber strips are arranged on the inner wall of the placement pot, and a protective cover is placed on the top of the placement pot. The protective cover includes a wire frame body and a transparent protective film arranged on the outer layer of the steel wire frame. The protective cover is in the shape of a cone with a small top and a large bottom. The diameter of the bottom of the protective cover is greater than the diameter of the placement basin; the placement basin and the protective cover A plurality of support rods are detachably connected between them, the top and the bottom of the protective cover are open, the top of the protective cover is equipped with a water storage box, and the bottom of the water storage box is provided with evenly distributed water leakage holes. The seedling transportation device of the present invention can well protect each pot of seedlings, prevent them from being bumped or overturned, and at the same time can replenish water and nutrients for them at any time, thereby ensuring their basic growth environment and conditions, and improving Survival of seedlings during transport.

The invention discloses an unmanned aerial vehicle for conveying goods. The unmanned aerial vehicle for conveying the goods comprises a machine body and a processing system used for controlling the action of the machine body, and the machine body is electrically connected with the processing system. The machine body comprises a fuselage, wings used for providing lift force and connected with the fuselage, a cargo hold used for containing the goods, supporting frames used for supporting the unmanned aerial vehicle and a hanging hook used for hanging the goods. The cargo hold comprises telescopic side walls, a plurality of telescopic pipes, a plurality of telescopic plates and connecting rods, one ends of the connecting rods are connected with the telescopic side walls, and the other ends ofthe connecting rods are connected with the fuselage. The processing system comprises a processor, a power supply system, a positioning system, a keypad device, an alarm, an information identificationsystem and an imaging device. The unmanned aerial vehicle for conveying the goods can realize stretching and fixation of the goods, expands the transportation range of the goods, and improves the conveying efficiency.

The invention relates to the technical field of perforated brick transportation equipment, in particular to equipment convenient for quickly loading and unloading perforated bricks, which comprises a loading pocket, a plurality of layers of rotating struts are rotationally arranged between the inner side walls of the loading pocket, each layer comprises a plurality of rotating struts, the rotating struts on the same layer are arranged in parallel, and an adjusting groove is formed in the front end of the side wall of the loading pocket. An adjusting threaded rod is rotationally connected into the adjusting groove, an adjusting block sleeves the outer wall of the adjusting threaded rod, the adjusting block is in sliding connection with the two side walls of the adjusting groove, a mounting hole is formed in the side, away from the inner wall of the adjusting groove, of the adjusting block, an adjusting rotary column is rotationally arranged in the mounting hole, and a mounting plate is fixedly connected to the end, arranged outside the mounting hole, of the adjusting rotary column; according to the equipment, time and labor are saved in the loading and unloading process, the perforated bricks can be prevented from shaking in the carrying process, and the perforated bricks are protected in the carrying process.

The invention provides an automatic printing plate replacement mechanism. The automatic printing plate replacement mechanism comprises a regular prism-shaped plate, printing plates and dust covers, wherein the printing plates are detachably and fixedly arranged on side faces of the plate body, and the dust covers are hinged with one of two end faces of the plate body and are corresponding to all the printing plates; a through hole for fixing a revolving shaft is formed in the center of the plate body; each dust cover can cover the corresponding printing plate; grooves used for clamping end parts of all the dust covers are formed in the other end face of the plate body. The automatic printing plate replacement mechanism provided by the invention has the beneficial effects that the dust covers are respectively arranged for all the printing plates on the side faces of the plate body; each dust cover can be opened when the corresponding printing plate is in use, and can be closed when the printing plate is not in use, therefore the phenomenon that printing quality is influenced due to the fact that dust enters pattern textures of the printing plates is avoided.

The invention discloses a marine scientific investigation equipment anti-oscillation recovery device, which comprises a ship body and a scientific investigation detection assembly, and is characterized in that the ship body is provided with a suspension assembly, the suspension assembly comprises a hook base body, and the upper part of the hook base body is connected with the ship body through an anchor rope; a buffer column is arranged in the middle; a lifting hook is arranged at the lower part and is connected with a scientific investigation detection assembly; the hoisting assembly comprises a hoisting rack and a first retractable machine which are fixedly connected, and the first retractable machine can move back and forth; the tail end of the crane frame is connected with the suspension assembly through an anchor rope; and the counterweight assembly is located between the hoisting assembly and the suspension assembly, and the counterweight assembly is detachably arranged on the outer side of the anchor rope in a sleeving mode. The device can improve the stability of the lifting hook and the anchor rope, can avoid collision to a scientific investigation detection assembly, and is high in safety performance.

The invention relates to the technical field of perfluoroethylene propylene copolymer production processing, in particular to safety sealed storage equipment for flame-retardant perfluoroethylene propylene copolymer cable material dispersion liquid transportation. The safety sealed storage equipment comprises a box body; the box body is internally provided with an inner box body and a polyethyleneinner container; a box cover is hinged to the outer wall of the box body; a shock absorber is arranged between the box body and the inner box body; the polyethylene inner container is movably clampedto the interior of the inner box body; the box cover is provided with a seal adjusting mechanism and a PLC; and the seal adjusting mechanism and the polyethylene inner container are slidably matchedand controlled by the PLC through a circuit. According to the safety sealed storage equipment, the problem that in the existing perfluoroethylene propylene copolymer dispersion liquid transport and storage process, condensation occurs to the perfluoroethylene propylene copolymer due to vibration, high temperature and other factors, accordingly, the various good properties of the perfluoroethylenepropylene copolymer dispersion liquid are reduced, and even using fails are solved.