52results about How to "Improve ice breaking ability" patented technology

The invention belongs to the technical field of snow removal equipment for removing snow on a road and spreading a snow-melting agent, and in particular to a vehicle-mounted multifunctional snow remover. The vehicle-mounted multifunctional snow remover comprises a vehicle cab, a snow removal shovel device, a vehicle chassis, a hydraulic pump station, a snow-melting agent spreader and a swing ventral shovel device, wherein, the swing ventral shovel device is arranged in the middle part of the vehicle chassis; an ice-breaking roller device is arranged in the front of the swing ventral shovel device, and a snow-sweeping roller brush device is arranged in the back of the swing ventral shovel device; the ice-breaking roller device consists of an ice-breaking roller chute, an ice-breaking roller slide rail, a spring seat, a spring bar, a spring, an ice-breaking roller and an ice-breaking roller lift cylinder; and the snow-sweeping roller brush device consists of a roller brush chute, a roller brush slide rail, a support plate, a support axle, a worm wheel, a roller brush frame, a roller brush assembly, a worm, a roller brush rotating-angle adjustment hydraulic motor and a roller brush lift cylinder. The vehicle-mounted multifunctional snow remover has the advantages of completing the four procedures of pushing snow, breaking ice, sweeping and spreading the snow-melting agent once, improving the snow removal effect, accelerating the snow removal speed and protecting the original asphalt pavement from damage.

The invention relates to the technical field of machinery, in particular to a cutting-type unmanned under-ice icebreaking submersible vehicle. The submersible vehicle comprises a submersible vehicle head part, a submersible vehicle middle part and a submersible vehicle tail part; the submersible vehicle head part is composed of an icebreaking saw and sawteeth, the icebreaking saw is located in front of the upper portion of the submersible vehicle head part, and the side edge is defined by the sawteeth; the submersible vehicle middle part is composed of a watertight athwartship bulkhead, a front ballast water tank, a rear ballast water tank, a high pressure air cavity and an air channel, the watertight athwartship bulkhead is located in the submersible vehicle middle part, a cabin of the submersible vehicle middle part is divided into the front ballast water tank and the rear ballast water tank, and the high pressure air cavity and the air channel are located at the top of the submersible vehicle; the submersible vehicle tail part is composed of a propeller and a rudder, and the propeller is in a trifoliate shape and is located behind the submersible vehicle tail part. According tothe embodiment, the icebreaking posture of the submersible vehicle during floating cutting and icebreaking is flexibly controlled, the ice surface can be broken, any shape can be continuously cut on the ice surface, the strength of the overall ice surface is lowered, and the range of damaging the ice surface is flexibly controlled.

The invention relates to the technical field of ship ice breaker, in particular to a novel air cushion ice breaker and an ice breaker method. The utility model relates to a novel air cushion icebreaker, which comprises an air cushion vehicle, a force arm system and an induction heating ice breaking system. The hovercraft is the whole main body power part, and the hovercraft bow is U-shaped structure; The force arm system is located at the front end of the hovercraft and is connected between the U-shaped structure of the hovercraft bow. The circumferential shape of the induction heating ice breaking system is elliptical / circular, which is located at the front end of the force arm system and connected to the front end axis of the force arm system. A novel air cushion ice breaking method comprises a thinner ice breaking mode, a common ice breaking mode and a thicker ice breaking mode, wherein, the air cushion ice breaking method comprises a thinner ice breaking mode, a common ice breakingmode and a thicker ice breaking mode. The invention improves the low-temperature ice-breaking adaptability and ice-breaking efficiency of the ice-breaking system, enhances the ice-breaking capabilityof the ice-breaking system, and ensures the safety of the ice-breaking operation of the air cushion icebreaker on the unstable ice surface by the good amphibious performance of the air cushion icebreaker, so that the ice-breaking device can flexibly break ice at any position on the ice surface.

The invention provides a resonance icebreaking ship bow structure. A wavy resonance structure is arranged on the outer surface of a ship bow shell, and a stiffening structure is arranged in the ship bow shell. The section of the wavy resonance structure is in a concave-convex shape, and the wavy resonance structure forms an icebreaking contact area. The coupling frequency of the icebreaking contact area frequency omega n and the wavy resonance structure frequency f is equal to the inherent frequency omega ni of ice. The resonance icebreaking ship bow structure has the advantages of being simple in structure, low in energy consumption, high in environmental adaptability, high in survival ability, remarkable in icebreaking effect and the like.

The invention discloses a contourable hammer type deicing unit and a deicing device with the same and belongs to the technical field of deicing equipment. A swing hammer with blades is used for beating the ice-snow covered roads circularly to crush and strip compacted ice-snow layer, and the crushing effect of severely compacted snow and solid ice is fine. The swing hammer comprises the hammering blades and hammer bodies, one ends of the hammer bodies are fixed to the hammering blades, the other ends sleeve first pins, the center of a round mounting disc is provided with a mounting hole, the round mounting disc is provided with a hollow cavity, a plurality of first pin are fixed in the hollow cavity axially, the two adjacent inner side faces of the hammer bodies and round mounting disc are connected through springs, and the ends, fixed with the hammering blades, of the hammer bodies extend out of the openings of the round mounting disc. A plurality of contourable hammer type deicing units are serially connected on a long shaft at intervals through keys. The device is mounted on deicing equipment and is used for crushing the severely compacted snow and solid ice on the roads.

The invention discloses an ice breaking snow sweeper, which comprises a sweeper body and a hydraulic oil cylinder on the sweeper body, wherein the driving end of the hydraulic oil cylinder is fixedlyprovided with an overhauling sealing cover; the overhauling sealing cover is fixedly provided with a cylinder body; the cylinder body is a hollow structure of which the two ends communicate; a pistonand a guide clapboard are fixedly installed in the cylinder; the piston is provided with an ice breaking mechanism, wherein the ice breaking mechanism comprises an installation casing pipe, wherein the installation casing pipe is in threaded connection to the piston, and a hollow ice breaking cone is installed in the installation casing pipe; a reset structure is arranged between the guide clapboard and the installation casing pipe; one end, which faces the overhauling sealing cover, of the cylinder body is provided with a high-pressure air inlet pipe through a high-pressure air inlet nozzle;and the high-pressure air inlet pipe is provided with an air inlet solenoid valve. The ice breaking snow sweeper has the advantages that an airflow ejected by high-pressure air performs an ice layer melting function, melting is intensive so as to be convenient in splitting an ice layer and convenient in subsequently carrying out an ice breaking operation by an ice breaking rod and an ice breakingshovel.

The invention provides a bow of an ice-breaking ship and ship, and relates to the technical field of ship structure. The bow of the ice-breaking ship comprises: a bow post, which comprises an upper extension part, a lower extension part and an inclined part; the upper extension part is connected to one end of the inclined part near an upper deck and extends up to the upper deck; the lower extension is connected to one end of the inclined part near the bottom of the ship and extends towards the bottom of the ship; from one end near the upper deck to the other end near the bottom of the ship, the inclined part tilts along the bow toward the stern; a maximum draft water line intersects the inclined part. According to the bow of the ice-breaking ship, the technical problems of poor navigationperformance in the ice area existing in the fat large-scale ships in the prior art are alleviated.

The invention provides a green energy-saving tail icebreaking type three-purpose tugboat which comprises a tugboat body and a propeller arranged on the tugboat body, wherein an icebreaking part is arranged on a stern of the tugboat body; the icebreaking part is used for resisting against an ice layer and breaking the ice layer; the propeller can drive the tugboat body to advance towards the stern direction; the propeller is arranged on the stern of the tugboat body; the propeller is arranged as a full-rotating contra-rotating paddle propeller; a bulbous bow is arranged on a prow of the tugboat body. Under the condition of an icing water surface, the propeller can be utilized to drive the tugboat body to advance towards the stern direction and the icebreaking part is utilized to break the icing layer, so that the green energy-saving tail icebreaking type three-purpose tugboat can be used as an icebreaking boat. Under the condition of ice-free water surface, the propeller can be utilized to drive the tugboat body to advance towards the prow direction and the bulbous bow and the contra-rotating paddles all have obvious energy-saving effects and are capable of effectively reducing the energy consumption, so that the green energy-saving tail icebreaking type three-purpose tugboat can be used as a normal tugboat, the usage rate of the green energy-saving tail icebreaking type three-purpose tugboat can be greatly increased and the use cost can be reduced.

The invention relates to a polar scientific investigation ship capable of breaking ice bidirectionally, and belongs to the technical field of ship design and manufacturing. The ship comprises a bow line with an inclination angle, an icebreaking bow, an ice stopping front toe, a stern line, a full-revolving propeller, an inclined broadside and a tail sealing plate. An ice stopping front toe is arranged at the bottom of the prow, and an ice breaking bow is arranged above the ice stopping front toe; the stern part is provided with a full-revolving propeller; the stern shell comprises an outer convex plate, an inner concave plate, a horizontal outer plate, an inclined bottom plate and a tail sealing plate; and an ice breaking knife is arranged at the intersection of the outer convex plate and the inner concave plate. The bidirectional icebreaker is combined with the full-revolving propellers, so that the polar scientific investigation ship can conduct heading continuous icebreaking and collision icebreaking by means of the gravity of the ship and the icebreaking bow; and the stern is subjected to stern-direction icebreaking through suction of the icebreaking knife and the propeller. The ice-stopping front toe prevents the ship from rushing to the ice surface and losing the mechanical power. The ice breaking capacity of the polar region scientific investigation ship facing various ice conditions and the maneuverability of the polar region scientific investigation ship in an ice region are improved, and the practicability and safety of the ship are greatly improved.

The invention relates to a multi-style high-power laser ice breaking system. The multi-style high-power laser ice breaking system is mainly used for laser-assisted ice breaking of water surface / underwater large-size ice blocks, laser ice removing of high-position parts inconvenient to touch by people such as high-tension cable, high-voltage power lines / cranes, rapid cleaning of aircraft skin icesand so on. The multi-style high-power laser ice breaking system comprises a continuous optical fiber laser, a solid pulse laser, an optical fiber beam splitter, an energy transmission optical fiber group, a laser output optical system and an indicating light source. Lasers of the continuous optical fiber laser and the pulse solid laser provide multi-style and combined efficient ice breaking meansfor treating ice layers with different states. Output light beams of the continuous optical fiber laser can be output by the energy transmission optical fiber group and are divided into multiple pathsto simultaneously or separately reach different ice breaking positions to be beneficial for treating the ice layers with different sizes. Output light beams of the pulse solid laser can be output bya laser output optical system and can be gathered to appropriate positions in the ice blocks.

The invention discloses an automobile fiber-braided antiskid net, which comprises a fiber rope braiding net, a fixing rod, side fixing elastic cords and double-side double-face symmetrical multi-projection gold ingot-shaped knots. The fixing rod is applied as a device for fixation when the braiding net comes down. The side fixing elastic cords are sleeved on the two sides of the fiber rope braiding net for automatically adjusting the overall tightness of the antiskid net during an installing, fixing and using process. The invention further discloses a method for braiding the automobile fiber-braided antiskid net. The method comprises the steps of fixing one end of a fiber rope to one end of a fixing rod; braiding a net-shaped structure through the other end of the fiber rope; making an equidistance ruler contact the bottom of a U-shaped fiber rope wound on the fixing rod; making a gold ingot-shaped knot formed by making the other end of the fiber rope bypass the contact part; and sequentially braiding the gold ingot-shaped knots to form the automobile fiber-braided antiskid net. The automobile fiber-braided antiskid net provided in the invention has the advantages of safety, reliability, high anti-fatigue degree, simple technology, convenient installation, carrying convenience, low cost, strong practicality and good market prospect.

The invention relates to a novel hovercraft ice breaking device and a method thereof, and belongs to the technical field of ice breaking. As that electromagnetic induction principle is utilize, a high-energy electromagnetic inductor is adopted in the induction heating ice breaking system, At the same time, the main engine of the ice breaker drives the icebreaker to rotate, and the ice breaker breaks the ice surface rapidly through mechanical collision and thermal effect in the process of contacting with the ice. After combining with the technology of the air cushion vehicle, there are three ice breaker modes to cause the ice layer damage. The invention realizes the non-contact rapid heating of the ice breaking teeth, improves the low-temperature ice breaking adaptability and the ice breaking efficiency of the ice breaking system, and enhances the ice breaking ability of the ice breaking system. Flexible ice breaking at any position on the ice surface; the required equipment is simple in structure, smaller in overall size, and much thicker and more suitable for ice breaking than other icebreakers. It can be used as the main ice breaking method in inland rivers and lakes and coastalwaters, as well as the auxiliary ice breaking method for ships in polar ice areas.

The invention discloses an ice breaking tooth capable of breaking thin ice on a road surface and an ice breaking wheel provided with the ice breaking teeth, and belongs to the technical field of ice breaking and snow removing equipment. The ice breaking tooth and the ice breaking wheel can solve the problem that in winter of north China, the clearing effect on a road surface with thin ice by ice breaking components of existing ice breaking and snow-removing equipment is not ideal. The ice breaking tooth capable of breaking the thin ice on the road surface comprises a tooth body and a plurality of tooth tips. The tooth body is rectangular. One side surface of the tooth body is full of the tooth tips arranged in a matrix. The tooth body and the tooth tips are made into a whole. The ice breaking wheel provided with the ice breaking teeth comprises an ice breaking wheel body and the multiple ice breaking teeth. The two edges of the outer circumferential surfaces of the ice breaking wheel body respectively extend outwards in the axial direction to form a working ring strap. The ice breaking teeth are axially distributed on the outer circumferential surface of the ice breaking wheel body and evenly distributed on the outer circumferential surface of the ice breaking wheel body, and the two ends of each ice breaking tooth are fixedly connected with the two working ring straps of the ice breaking wheel body through fastening screws. The ice breaking tooth and the ice breaking wheel are installed on ice breaking and snow removing equipment and used for breaking the thin ice on the road surface.

The invention discloses a method for braiding an automobile fiber-braided antiskid net. The method comprises the steps of fixing one end of a fiber rope on one end of a fixing rod; braiding a net-shaped structure through the other end of the fiber rope; making an equidistance ruler contact the bottom of a U-shaped fiber rope wound on the fixing rod; making a gold ingot-shaped knot formed by making the other end of the fiber rope bypass the contact part; and sequentially braiding the gold ingot-shaped knots. The automobile fiber-braided antiskid net made by the method provided in the invention has the advantages of safety, reliability, simple technology, installing convenience, carrying convenience, low cost, strong practicality and good market prospect.

The invention provides an electromagnetic induction heating abrasive water jet device and method for assisted ice breaking. A pressurizer, an electromagnetic induction heating device and a sand mixingpipe which are sequentially connected are arranged; the input end of the pressurizer is connected with a water source; an abrasive supply system is further arranged on the sand mixing pipe for conveying abrasives to a water flow in the sand mixing pipe; and the output end of the sand mixing pipe is provided with a nozzle for enabling abrasive water jet in the sand mixing pipe to be sprayed out and jetted through the nozzle. The high-temperature abrasive water jet can delay jet condensation, thus the ability of the jet to cut an ice layer is improved, and the jet has the high temperature and can wash out and melt the ice layer to a certain extent, so that the ice breaking effect is improved; and meanwhile, the abrasive water jet has the extremely-high cutting ability, and thus the thickness of the ice layer which can be cut is greatly increased. The electromagnetic induction heating abrasive water jet device and method are used for assisted ice breaking of a traditional impact or fracture-type icebreaker, the ice breaking efficiency of the icebreaker can be greatly improved, and the electromagnetic induction heating abrasive water jet device and method are worthy of being promoted.

An energy-saving and environment-friendly rail transit rapid cleaning device comprises a box body, a fixing plate is fixedly installed in the box body, two material conveying assemblies are fixedly connected to the interior of the box body through the fixing plate, the material conveying assemblies extend to the exterior of the box body, and a fixed box with an opening in the top is fixedly connected to the interior of the box body; a storage box with an opening in the top is fixedly connected into the fixed box, an electric heating pipe is fixedly connected to the exterior of the storage box, a water pump is fixedly connected into the storage box, the output end of the water pump communicates with a water pipe, one end of the water pipe extends to the exterior of the box body, and two first hot air pipelines communicate with one side of the fixed box; and an electric fan is fixedly connected to the communicating position of the fixed box and the first hot air pipeline. By means of a photovoltaic solar panel, solar energy can be converted into electric energy, then the electric energy is stored in the storage battery, then certain electric energy can be provided for the first motor, the electric heating pipe, the electric fan and the second motor of the device through the storage battery, and therefore the purpose of saving energy is achieved.

The invention discloses a small road surface icebreaking robot, and relates to the technical field of road deicing robots, the small road surface icebreaking robot comprises a bottom frame, a driving mechanism is mounted outside the bottom frame, a fixing plate is fixedly mounted on the upper surface of the bottom frame, an adjusting mechanism is mounted on the upper surface of the fixing plate, and an icebreaking mechanism is mounted on the left side of the adjusting mechanism; and a blowing mechanism is installed on the right side of the upper surface of the underframe. According to the small road surface icebreaking robot, two fifth gears are driven by two third servo motors to rotate anticlockwise, a fixing rod drives each shifting plate to rotate clockwise, the shifting plates push impact columns and linkage plates to move upwards, make contact with springs and compress the springs in the rotating process, the shifting plates rotate to the upper portion to be separated from the linkage plates, and the linkage plates are driven by the fixing rod to rotate clockwise. And under the reset elastic force of the spring and the self-gravity of the impact column, the impact column moves downwards to impact the ice surface, so that the ice breaking effect is improved, and the problem that small ice breaking equipment cannot be pushed and broken due to the fact that an ice layer is thick during ice pushing is solved.

The invention discloses a deicing rolling brush which comprises a mounting plate and a brush roller. Mounting holes are formed in the left side and the right side of the interior of the mounting plate, the brush roller is connected with the mounting plate through a supporting connection rod, and steel teeth are arranged on the outer wall of the brush roller. A deicing roller is arranged at the left side of the brush roller and connected with the supporting connection rod through a connecting bar, cogs are arranged on the outer wall of the deicing roller, and the connecting bar is connected with the mounting plate through an extensible adjusting rod. According to the deicing rolling brush, the extensible adjusting rod, the deicing roller and the cogs are matched, the brush roller drives the deicing roller to roll forwards, the deicing roller and the cogs are matched to smash cat ice on a road surface, and removal of ice is facilitated; a rotating rod is rotatably arranged on a fixed rod through cooperation of a rotating head and a rotating groove, the rotating rod is screwed in an adjusting sleeve through threads, and thus the length of the rotating rod can be adjusted, and the height of the deicing roller can be adjusted accordingly; and the ice breaking effect of the cogs is improved, and the steel brush can well remove crushed ice.

The invention belongs to the technical field of snow shoveling, and particularly relates to an airport snow shovel; it includes: a main shovel, an auxiliary shovel, a vehicle beam, an ice-breaking structure and a swing structure; the main shovel, the auxiliary shovel and the ice-breaking structure are all rotationally connected with the vehicle beam, and The ice-breaking structure is set between the main shovel and the auxiliary shovel; the main shovel, the auxiliary shovel and the ice-breaking structure are all rotationally connected to the swing structure; the swing structure is movably connected to the vehicle beam, and the swing structure can drive the main shovel, auxiliary shovel and ice-breaking structure to the same angle Swing to the left or right; during use, the ice-breaking structure and the bottom of the auxiliary shovel are in contact with the ground, and the bottom of the main shovel is higher than the ground; the snow shovel of the present invention has both the functions of snow removal and ice removal, and the main shovel, The ice-breaking structure and the auxiliary shovel have a certain angle with the forward direction, which can push the snow aside. The ice-breaking structure has a certain angle with the forward direction, which effectively improves the ice-breaking effect. Moreover, the invention is more efficient than the manual snow shovel and saves money. It saves manpower and is suitable for clearing large-scale snow on airport runways.

The invention relates to the technical field of machines, and provides an embedded type bow ice breaking device based on a resonance principle. The device is mainly composed of a resonance wheel, a power system and a position dispatching system; the resonance wheel is mainly composed of a hub, a gear ring and a shaft and is used for driving a bow structure to vibrate at the specific frequency withan ice layer as a support when an ice breaking boat climbs to the ice layer; the power system is composed of a speed adjusting motor, a speed reducer and a worm and gear transmission device and usedfor proving power for the resonance wheel; the position dispatching system is composed of a pair of synchronous hydraulic cylinders, a buckle and a plate spring and used for adjusting the position ofthe resonance wheel and buffering impact loads of the ice layer to the resonance wheel; and the device has the obvious advantages that the device can effectively improve the ice breaking capacity under the condition that the water draining amount is not obviously increased, clamping by broken ice can be effectively avoided, wheel tooth strength and wear resistance can be ensured, and structure maneuverability can be improved.

The invention provides an environmental-friendly and energy-saving tail icebreaking type multipurpose heavy lift carrier comprising a heavy lift carrier body and propellers mounted on the heavy lift carrier body. An icebreaking part is arranged on the stern of the heavy lift carrier body and used for butting against an ice layer and crushing the ice layer. The propellers can drive the heavy lift carrier body to travel toward the stern direction, and the propellers are arranged on the stern of the heavy lift carrier body. The propellers are the full circle swinging contra-rotating propeller propellers, and the prow of the heavy lift carrier body is provided with a bulbous bow. When water surface freezes, the propellers are utilized to drive the heavy lift carrier body to travel toward the stern direction, and the icebreaking portion is utilized to crush the ice layer, so that the environmental-friendly and energy-saving tail icebreaking type multipurpose heavy lift carrier can be used as an icebreaker. When the water surface does not freeze, the propellers can be utilized to drive the heavy lift carrier body to travel toward the prow direction, and the bulbous bow and a contra-rotating propeller both have obvious energy-saving effect, energy consumption is effectively reduced, and the environmental-friendly and energy-saving tail icebreaking type multipurpose heavy lift carrier also can be used as a normal heavy lift carrier, so that the utilization rate of the tail icebreaking type multipurpose heavy lift carrier is greatly increased, and using cost is reduced.

The invention relates to the technical field of icebreaking and snow removing machinery, and discloses an icebreaking machine drum mechanism capable of improving the icebreaking effect, the icebreaking machine drum mechanism comprises a mounting rod, a long magnet is fixedly mounted in the mounting rod, an air cavity is formed in the mounting rod, an inner air hole is formed in the mounting rod, one end of the inner air hole communicates with the air cavity, and the other end of the inner air hole communicates with the long magnet. A rotary drum is movably installed on the outer side of the installation rod in a sealed mode, an air chamber is formed in the rotary drum, and the air chamber is filled with air. According to the ice breaking device, the ice breaking teeth and the long magnets are arranged, when the ice breaking machine gets close to the long magnets, the long magnets attract the ice breaking teeth to move inwards, then the ice breaking teeth extrude air in the air chambers, then the air enters the air chambers where the ice breaking teeth making contact with the ice layer first are located through the air cavities, the ice breaking teeth move outwards and are attached to the ice surfaces making contact with the ice breaking teeth, and the ice breaking teeth are separated from the air chambers. Therefore, the function that the icebreaking teeth adapt to irregular ice surfaces is achieved, and the situation that part of the icebreaking teeth cannot effectively apply force to the ice surfaces, and consequently the icebreaking effect is affected is avoided.

The invention relates to a double-tooth hydrogen circulating pump rotor set and a double-tooth hydrogen circulating pump and provides a novel double-tooth screw rotor molded line. The double-tooth hydrogen circulating pump rotor set comprises a first double-tooth screw rotor and a second double-tooth screw rotor, wherein a molded line of the first double-tooth screw rotor comprises a straight line, a transition circular arc, an optimized curve, a point meshing cycloid and an envelope curve, the central angle of the transition circular arc is determined according to a temperature of a working environment, and a molded line of the second double-tooth screw rotor and the molded line of the first double-tooth screw rotor are completely conjugated except the optimized curve. The molded lines of the two double-tooth screw rotors are simple in composition and are both centrosymmetric graphs, so that no eccentric torque is produced during operation, and the conditions of static balance and dynamic balance are met. The optimized curve can ensure that each rotor has a relatively large air suction and exhaust hole and a certain icebreaking capacity and can also prevent a sharp point formed by the point meshing cycloida and addendum circles from abrading the corresponding rotors, so that the molded lines can be well protected, and the service life of each rotor is prolonged.

The invention relates to the technical field of ice breaking and snow removing machinery, and discloses an efficient ice breaking machine which comprises a mounting frame, and a fixing rod is fixedly mounted at the bottom end of the mounting frame. According to the ice breaking device, the ice breaking teeth and the magnetic parts are arranged, the ice breaking teeth are driven to move inwards and compress the elastic parts through the magnetic attraction force of the magnetic parts to the magnetic ends of the ice breaking teeth, then when the magnetic ends of the ice breaking teeth are far away from the magnetic parts, the elastic parts release elastic force, then the ice breaking teeth rapidly collide with an ice layer, and the tooth ends of the ice breaking teeth stretch into the ice layer; due to the fact that the ice layer is impacted by the ice breaking teeth, the force applied to the ice layer by the single ice breaking teeth is further improved, meanwhile, the tooth ends of the ice breaking teeth stretch into the ice layer, vibration can be transmitted to the ice layer more easily through the follow-up ice breaking teeth, the follow-up vibration ice breaking function can be achieved conveniently, and then the barrel drives the ice breaking teeth to rotate to the angle perpendicular to the ice surface. And the vibrating ice breaking teeth apply vibration force to the ice layer, so that the ice layer is easier to break, and the ice breaking effect is improved.

The invention relates to the technical field of plastic products, and discloses a plastic deicing device. The plastic deicing device comprises an outer frame, a handle, a rolling wheel and an ice breaking wheel. Through wave-shaped configuration for the rolling wheel, the outer frame is enabled to carry out up-down undulating motion while sliding, in the up-down undulating process of the outer frame, a connection column A is driven to overturn and an ice breaking column is enabled to make contact with an ice layer through the arrangement and mutual engagement of an insertion plate and a rotaryring, and the ice layer is broken; moreover, a rotary angle of the rotary ring is limited by a rotary hole, so that breaking into glass is avoided; the connection column A rotates through the engagement of a connection ring and a guide plate while overturning, so that the ice breaking column breaking into the ice layer rotates; and ice of the ice layer is broken by virtue of a triangular bulge, so that the ice breaking effect can be improved, and the subsequent elimination for the ice layer is much facilitated.

The invention relates to the technical field of shipbuilding, and specifically discloses a root structure and a construction method of a double-bottom ice blade area of ​​a polar ship. The root structure of the double-bottom skate area of ​​the polar ship includes a hull platform, two installation parts arranged at intervals on the hull platform and the skates arranged at the lower end of the installation part, and the two installation parts protrude from the lower end of the hull platform. The root structure provided by the invention improves the ice-breaking capability of the polar ship. The construction method comprises the steps of: dividing the root structure into a first hull platform, a second hull platform, a first installation part and a second installation part; respectively constructing the first hull platform, the second hull platform, the first installation part and the second installation part Two installation parts: connecting the first hull platform, the second hull platform, the first installation part and the second installation part, and setting ice blades on the first installation part and the second installation part to form a root structure. The construction method improves the economic benefit, reduces the loading and welding cycle of the dock, and facilitates the manufacture of the root structure.

The invention discloses a groove cutting and hull pressing combination ice breaker and an ice breaking method. The groove cutting and hull pressing combination ice breaker comprises an ice breaking ship, wherein two sides of a hull of the ice breaking ship are respectively provided with an ice breaking device. Each ice breaking device comprises an outrigger, a milling cutter arranged on the outrigger and a power device which is arranged on the outrigger and is in driving connection with the milling cutter. The axial direction of each milling cutter is the width direction of the ice breaking ship. The hull of the ice breaking ship is located between the two milling cutters of the two ice breaking devices. The two milling cutters of the two outriggers are both located on the front side of the hull of the ice breaking ship. The groove cutting and hull pressing combination ice breaking method is the ice breaking method implemented on the basis of the groove cutting and hull pressing combination ice breaker. The groove cutting and hull pressing combination ice breaker and the ice breaking method are beneficial to advancing of the ice breaking ship and can improve the ice breaking capacity of the ice breaking ship.

The invention relates to the field of mechanical technology, and provides an embedded bow ice-breaking device based on the principle of resonance, which is mainly composed of three parts: a resonance wheel, a power system and a position scheduling system. The resonance wheel is mainly composed of a hub, a ring gear and a shaft, which is used to drive the bow structure to vibrate at a specific frequency after the icebreaker climbs onto the ice layer; The device structure is used to provide power to the resonance wheel; the position adjustment system is composed of a pair of synchronous hydraulic cylinders, buckles and leaf springs, which are used to adjust the position of the resonance wheel and buffer the impact load of the ice layer on the resonance wheel. The remarkable advantage of the present invention is that the device can effectively improve the ice-breaking capacity without significantly increasing the displacement, effectively avoid being jammed by crushed ice, and can ensure the strength and wear resistance of the gear teeth, improving the mobility of the structure.

The invention discloses an efficient starter. The efficient starter comprises an electromagnetic switch. The electromagnetic switch comprises a switch cover assembly and a switch body which are connected in a sealed mode; a movable contact assembly is arranged inside the switch body; a static contact assembly matched with the movable contact assembly is arranged inside the switch cover assembly; the movable contact assembly comprises an arch-shaped movable contact; the static contact assembly comprises two static contacts matched with the movable contact; and the end faces, close to the movable contact, of the two static contacts are in an annular rib shape. Compared with the prior art, the movable contact in the movable contact assembly is designed to be in an arch shape, the end faces, close to the movable contact, of the two static contacts are in an annular rib shape, and accordingly the overlapping area of two corresponding faces between the movable contact and the static contactsis reduced, when the electromagnetic switch is connected, the pressure intensity between the movable contact and the static contacts is increased, and accordingly the ice breaking capacity is improved and the purpose of improving the communication capacity of the electromagnetic switch is achieved.

The invention provides an unmanned under-ice ice-breaking submersible. The tail part of a hull is a hull ballast tail provided with ballast; an ice-breaking drill is arranged at the front end of a bowof the hull; a watertight transverse bulkhead is arranged at the middle in the middle part of the hull; the watertight transverse bulkhead divides the space in the middle part of the hull into a first ballast tank and a second ballast tank; the top ends of the first ballast tank and the second ballast tank are respectively provided with high-pressure air cylinders and high-pressure air pipes; oneend of each high-pressure air pipe communicates with the corresponding high-pressure air cylinder and the other end of each high-pressure air pipe is a closed end; the first ballast tank and the second ballast tank are both provided with seacocks and air vent valves at the bottom ends; each high-pressure air pipe is also provided with a corresponding high-pressure air valve switch; the two high-pressure air cylinders communicate with each other; and the high-pressure air cylinder in the second ballast tank also communicates with an external umbilical cable. The unmanned under-ice ice-breakingsubmersible is simple in structure. When a polar ship encounters an ice area requiring higher ice-breaking capacity than the ice-breaking capacity of the ship, the polar ship can break the ice and navigate by virtue of the unmanned under-ice ice-breaking submersible, so that the ice-breaking capability of the ship under extreme conditions at the ice area can be greatly improved.