81results about How to "Improve ice breaking efficiency" patented technology

The invention relates to the field of ice breaking mechanisms, in particular to a fuel gas blow-melting continuous ice breaking mechanism applied to ocean or lake ice breaking work needs. The mechanism comprises a support, a mechanical arm, a distance measuring sensor, a high temperature and high pressure air injector and a control center. The support and the mechanical arm are used for adjusting the position and height of the high temperature and high pressure air injector, so that the high temperature and high pressure air injector is close to and is not in contact with the surface of an ice layer. The distance measuring sensor is used for acquiring position of the ice layer surface position. The control center is an analyzing, decision making and control mechanism, the position and height of the high temperature and high pressure air injector are adjusted according to the acquired information, and the high temperature and high pressure air injector is controlled to be started, operate and be stopped. The high temperature and high pressure air injector generates high temperature and high pressure gas and injects the gas to the ice layer within a narrow range directionally, and the ice layer is heated, smelts and is blown away. The mechanism is used for smelting and cutting the ice layer, and assisting an icebreaker in ice breaking. The mechanism has the beneficial effects that the ice layer is cut into blocks by consuming little energy, and therefore the requirement for a propeller of the icebreaker and related facilities is reduced, and ice breaking efficiency is improved.

The invention discloses a symmetrical hammering deicing mechanism of an overhead line deicing robot, which comprises a hammering mechanism and an ice cutter holder, wherein the hammering mechanism isprovided with two hammering mechanism bases which are identical in structure and arranged in a mutual mirror image manner, and the hammering mechanism is provided with hammering connecting rods capable of transversely sliding in a penetrating mode. One end of the hammering connecting rod is provided with a hammering portion, and the other end is provided with a convex block. The hammering connecting rod is provided with a spring plug pin, and a spring sleeves the hammering connecting rod. One side of each hammering mechanism base is provided with a cam shaft frame, and the cam shaft frame is rotatably provided with a cam shaft in a penetrating mode. One end of the cam shaft is sleeved with a first gear, and the other end is sleeved with a cam. A first rotating shaft is rotatably arranged between the two hammering mechanism bases in a penetrating mode, one end of the first rotating shaft is sleeved with a first worm, and the other end is sleeved with a second worm. The first worm and the second worm are respectively meshed with the first gears on the two hammering mechanism bases. The first rotating shaft is sleeved with a second gear. The hammering mechanism is provided with an icebreaking motor, a shaft of the ice breaking motor is sleeved with a driving gear, and the driving gear is mutually meshed with the second gear.

The invention discloses an ice crushing device for road maintenance. The ice crushing device for road maintenance comprises a motor tractor, a placing plate, a sliding cylinder, an ice crushing rod, afirst limiting ring, a second limiting ring, a collision rod, a fixed block, a servo motor, a rotating disc, a rotating shaft, a connecting rod, a telescopic rod, an ice shoveling plate, a hydrauliccylinder, a fixed rod, a roller, a control panel and a spring. The placing plate is fixed to one end of the motor tractor, the sliding cylinder is fixed to the end, close to the motor tractor, of theplacing plate, and the ice crushing rod is slidably connected to the inner wall of the sliding cylinder. The first limiting ring is fixed to the bottom of the inner wall of the sliding cylinder, and the ice crushing rod is in sliding connection with the first limiting ring. The second limiting ring is fixed to the upper end of the ice crushing rod, and the second limiting ring is in sliding connection with the inner wall of the sliding cylinder. The spring is arranged on the outer side of the ice crushing rod in a sleeving mode. One end of the spring is fixedly connected with the first limiting ring, and the other end of the spring is fixedly connected with the second limiting ring. The ice crushing device for road maintenance can automatically crush ice blocks on a road surface, has highice crushing efficiency, and can shovel the crushed ice blocks to the two sides of a road, so that manpower and material resources are saved.

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 discloses an icebreaking device for navigation and a using method thereof. The icebreaking device comprises a supporting plate and an icebreaking cutter plate; the supporting plate is fixedly welded to the front end of an icebreaking hull, the supporting plate is fixedly provided with a hydraulic cylinder by bolts, a first mounting plate is installed at the telescopic end of the hydraulic cylinder by bolts, ejector rods are fixedly welded to the first mounting plate, and a second mounting plate is movably connected to the ejector rods in a sleeving mode; and cutter heads are fixed at the edge of the icebreaking cutter plate, the icebreaking cutter plate is fixed on an output shaft of a motor in a pin joint mode, and the motor is mounted at the bottom of the second mounting plate through a motor bracket. The icebreaking cutter plate is driven by the double-shaft motor to cut the ice surface and destroy the ice surface structure when the icebreaking hull advances, then thecut ice surface is hit by a reinforcing plate, and crushing of the whole ice surface is facilitated; and the second mounting plate can be moved up and down through springs, a certain cushioning property is obtained, the icebreaking cuter plate is prevented from getting stuck, and improvement of the icebreaking efficiency is facilitated.

The invention relates to the technical field of roads, and discloses a road ice breaking device capable of vertically reciprocating. The device comprises a driving chamber, chisel cones are movably connected below the driving chamber, a second gear is driven by connecting rods to rotate counterclockwise, the first connecting rods move downwards to push the chisel cones to move downwards, and the first connecting rods move upwards to drive the chisel cones to move upwards, so that the chisel cones move up and down, and the effect of breaking an ice layer is achieved. The connecting rods drive afirst elliptical disc and a second elliptical disc to rotate reversely, the second elliptical disc extrudes a stop block on the right side, so that a right moving rod gradually gets close to a fixedrod, and a left moving rod gradually gets close to the fixed rod. The first elliptical disc extrudes a stop block on the left side, so that the right moving rod is gradually far away from the fixed rod, the left moving rod is gradually far away from the fixed rod, and the fixed rod drives the chiseling cones to reciprocate, so that the chisel cones move left and right while moving vertically and impacting the ice layer, then the ice layer is separated from the road more completely, and the effect of improving the ice breaking efficiency is achieved.

The invention designs a novel icebreaker structure aiming at the defects of low work efficiency and high loss in the conventional icebreaker. The icebreaker structure comprises an icebreaker body with an icebreaking device, and is characterize in that the icebreaking device comprises a flexible steel frame which is fixedly arranged at the bottom of the icebreaker body and a driving device for controlling the stretching-over and contraction of the steel frame; a groove for accommodating the flexible steel frame and the driving device is formed at the bottom of the icebreaker body. According to the icebreaker structure, because a flexible steel frame structure is arranged on the contact surface of the icebreaker body and ice blocks, when the icebreaker leans against an ice surface, the steel frame is stretched over to reduce the contact area of the icebreaker body and the ice surface and increase the partial pressure of the icebreaker body applying to the ice surface, so that the ice surface is easy to break, the crashing times of the icebreaker body are reduced, the icebreaking efficiency is improved, and the loss of the icebreaker body is reduced.

The invention relates to the field of icebreaking mechanisms and discloses a burning blowing melting continuous icebreaking mechanism meeting the requirements of ocean or lake icebreaking operation. The burning blowing melting continuous icebreaking mechanism comprises a support, a mechanical arm, a distance measuring sensor, a burning air ejector and a control center. The support and the mechanical arm are used for adjusting the position and height of the burning air ejector, so that the burning air ejector is close to but not in contact with the ice layer surface. The istance measuring sensor is used for obtaining the information of the position of the ice layer surface. The control center is an analysis, decision and control mechanism, adjusts the position and height of the burning air ejector according to the obtained information, and controls starting, operation and stopping of the burning air ejector. The burning air ejector generates high-temperature high-pressure air and ejects the air to a small range of ice layer directionally, so that the ice layer is heated, molten and blown away. The burning blowing melting continuous icebreaking mechanism is used for melting and cutting the ice layer and assists an icebreaking ship to break ice and has the advantages that a small amount of energy is consumed to cut the ice layer into blocks, thus the requirements for a propeller of the icebreaking ship and related facilities are lowered effectively, and icebreaking efficiency is improved.

The invention discloses high-voltage cable deicing equipment for electric power detection, and the equipment comprises an upper housing and a lower housing, the middles of the upper housing and the lower housing are hinged to each other through a hinge part, the upper housing and the lower housing are housings made of a plastic material, and the left ends of the interiors of the upper housing andthe lower housing are fixedly connected with semi-arc buckets. A base body of each semi-arc bucket is made of plastic, heating arc plates are fixedly connected to the inner sides of the semi-arc buckets, first deicing assemblies are fixedly connected to the right sides of the semi-arc buckets at the left ends in the upper shell and the lower shell, ice breaking assemblies are fixedly installed atthe positions, on the right sides of the first deicing assemblies, in the upper shell and the lower shell, and second deicing assemblies are fixedly mounted in the upper shell and the lower shell on the right side of the ice breaking assemblies. The equipment is simple in structure, light, convenient and easy to carry, capable of effectively removing an ice layer on the surface of a cable, capableof guaranteeing the service life of the cable, high in practicability, wide in application prospect and worthy of application and popularization.

The invention relates to the field of the icebreaking mechanism, in particular to a continuous icebreaking mechanism applied to the icebreaking operation requirement of an ocean or a lake and an icebreaker constructed by the icebreaking mechanism. The continuous icebreaking mechanism comprises at least two chain wheels, a transmission chain and a chain wheel bracket, wherein each chain wheel also comprises a chain wheel shaft and a bearing; the transmission chain is connected with the chain wheels; the chain wheel bracket is connected with the chain wheels and supports the chain wheels by the chain wheel shafts and the bearings. During work, at least one chain wheel is positioned above the ice layer, and at least one chain wheel is positioned below the ice layer. The transmission chain passes through and rubs the ice layer, and the chain wheel bracket is fixedly arranged on a ship body. The continuous icebreaking mechanism and the icebreaker have the advantages that the ice layer is damaged with small strength instead of crushing the ice layer by the gravity of the ship body. A certain angle is formed between the cut and damaged ice layer and the surrounding ice layer to reduce the resistance of the ship body for extruding the ice layer, so that the requirement on the propeller of the icebreaker and the related facilities is effectively lowered, and the icebreaking efficiency is improved.

The invention discloses an icebreaking device and an icebreaker. The icebreaking device comprises at least two sets of shearing wheels, the two sets of shearing wheels are arranged in a groove in the position of a bow side by side, the two sets of shearing wheels can rotate around two vertical shafts relative to the bow, the rotating directions of the two sets of shearing wheels are opposite, teeth or claws expanding outwards are arranged on the edges of the shearing wheels, and the teeth or claws are arranged on the edges of the shearing wheels. The two groups of shearing wheels are in transmission connection with an engine. According to the icebreaker disclosed by the invention, the icebreaking device is arranged on the bow, the shearing wheel can cut sea ice into crushed ice, and the icebreaking efficiency of the icebreaker is improved.

The invention discloses a portable ice breaking device, which comprises a plane shell, wherein a cavity of which the lower end is open is formed in the plane shell; insertion teeth are arranged on the lower end face of the plane shell; cover plates are further arranged on the two side edges of the plane shell, and are movably connected to the two side edges of the plane shell through rotating shafts; positioning insertion teeth are arranged at the two ends of the bottom surfaces of the cover plates, and are higher than the insertion teeth of the plane shell; a vertical moving groove is formed in the middle part of the plane shell; an ice breaking turntable is arranged in the cavity; the center of the ice breaking turntable is connected to the interior of the vertical moving groove through a rotating shaft; rocker arms are arranged on the outer sides of the rotating shafts; at least two transverse positioning grooves are formed in parallel in the vertical moving groove; cutting teeth are arranged on the edge of the ice breaking turntable. The portable ice breaking device is simple in structure, convenient to use and carry, portable and high in applicability and practicability, and ice breaking efficiency can be effectively improved.

Disclosed is a novel ultrasonic wave deicing device. The novel ultrasonic wave deicing device is provided with a pair of ultrasonic generators (2) which are oppositely arranged and installed on a slide rail 1 (1), and another ultrasonic generator (4) for surveillance and an ultrasonic signal receiver (5) which are installed on another slide rail 2 (3). During the concrete use process of the novel ultrasonic wave deicing device, the ultrasonic generator (4) for the surveillance can transmit ultrasonic waves to the surface of a road and the surface of a plane. The ultrasonic signal receiver (5) uses a computer to analyze the thickness of an ice layer after the ultrasonic signal receiver (5) receives a reflected signal. The pair of the ultrasonic generators (2) located on the slide rail 1 (1) can adjust angles and transmitting power according to the thickness of the ice layer. Accordingly, the ultrasonic waves can be conveniently focused on a suitable position, and then the ice layer is crushed.

The invention relates to a small-sized icebreaking and oxygen increasing boat which comprises a left boat body (1) and a right boat body (2) and is characterized in that a mounting seat (9) is vertically and fixedly arranged at the front end of a boat deck (3); the upper end of the mounting seat (9) is hinged with the middle section of a big arm (7) by a rotating shaft (8); the front end of the big arm (7) is provided with a roller (11); the outer periphery of the roller (11) is uniformly provided with icebreaking teeth (13); the tail end of the big arm (7) is connected with one end of a movable rod (17) by a big arm connecting shaft (15); the other end of the movable rod (17) is hinged with one end of a connecting rod (20) by a hinged shaft (16); the other end of the connecting rod (20) is arranged at the top end of a support frame (10) by a support frame connecting shaft (19). The small-sized icebreaking and oxygen increasing boat has a compact structure, is convenient to operate, is low in cost and has a large once icebreaking area and a large once icebreaking thickness; after icebreaking, a large area and a large volume of floating ice cannot be generated; the rapid and efficient icebreaking operation can be realized; the small-sized icebreaking and oxygen increasing boat has a wide market prospect.

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 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 relates to the technical field of ships, in particular to an icebreaker and an icebreaking method. The icebreaker is characterized in that a fixed supporting plate is arranged at the head of the icebreaker, a supporting rib plate is fixedly connected to the bottom face of the fixed supporting plate, and a groove is formed in the middle of the front end of the fixed supporting plate; a motor seat, two heightened bases and four bearing supporting seats are arranged on the fixed supporting plate; two main motors are arranged on the motor base, the motors are connected with rotating shafts through belts, and saw blades are arranged on the rotating shafts. A bearing is arranged on the bearing supporting seat and is fixedly connected with the rotating shaft; two cams are further arranged on the rotating shaft, a lifting lug I is arranged on the heightened base, the lifting lug I is fixedly connected with a pin shaft I, the pin shaft I is fixedly connected with a hammer handle, the hammer handle is fixedly connected with a hammer body, and the hammer handle is located above the cams and is in contact connection with the cams. The ice breaker is simple in structure, reasonable in design and capable of breaking the ice surface with large thickness and effectively improving the ice breaking efficiency.

The invention discloses a surface-piercing type mobile pulsation load air cushion icebreaker. A hull system mainly consists of a main hull, an air cushion, an ice cutter, a cab and a guardrail; a propulsion system is composed of air-screw propellers which are distributed at the tail and the bottom of the main hull and generate the sinusoidal pulsation load on sea ice in the vertical direction while enabling the air cushion icebreaker to advance at the constant speed; an arranged monitoring system mainly comprises a sensor array and a camera array, is also arranged on the periphery of the mainhull and is used for collecting water level and ice condition information; and an arranged control system is used for analyzing and processing the information collected by the monitoring system, and controlling the propulsion system according to the collected information so as to adjust the advance speed and the pulsation frequency of the vertical pulsation load. The air cushion icebreaker has theadvantages that the structure is simple, meanwhile, the ice layer waveform resonance is matched with the vertical ice cutter arranged at the bottom of the main hull, and thus the ice breaking efficiency is high.

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.

The invention discloses a method for breaking ice based on reducing the supporting force of an ice layer, and an ice breaking ship, and relates to the technical field of the manufacturing of ice breaking ships. The method is characterized in that below an ice surface at an ice breaking position, a water pump is adopted to guide flow downwards or rotating machinery is adopted to make vortexes, so that negative pressure is generated, and the supporting force of the ice surface is reduced; the method is matched with the ice breaking ship for breaking ice. According to the method, ice is broken from the foundation, so that the weight of the ice layer becomes the weakness of the ice layer, and the degree of difficulty of breaking ice is greatly lowered. Through the adoption of the new ice breaking method, an ice breaking ship of small tonnage is enabled to break thick ice in extremely cold areas, so that the ice breaking method has an extremely extensive application prospect.

The invention discloses a convenient ice-forming and ice-breaking device for a mountainous area open-air high-voltage line, the device includes a main connecting bearings, an air pressure telescopic rod is horizontally hinged to both sides of the main connecting bearing, and a rocking handle is movably hinged to one side of the surface of the air pressure telescopic rod, a surface of the main connecting bearing is fixedly connected with an insulated pulling rope, The outer end of the air pressure telescopic rod is fixedly welded with an ice breaker, and the upper surface of the inner wall of the ice breaker is fixedly welded with a main sliding groove frame, a spacer plate is fixedly welded in the main sliding groove frame, and a built-in battery is fixedly arranged above the spacer plate,and a main sliding fixing frame is slidably arranged in the main sliding groove frame in a clamping mode. The efficiency of ice breaking is low, which requires many adjustments in a section of line.It is difficult to erect a climbing ladder lamp in the complex mountainous environment and the danger coefficient is high.

The invention discloses an icebreaking starting method and system for a hydrogen circulating pump. Determining at least one icebreaking signal of the hydrogen circulating pump according to the target rotating speed; the icebreaking signal comprises a first icebreaking signal and a second icebreaking signal, and the first icebreaking signal and the second icebreaking signal are sequentially and alternately output; controlling a rotor of the hydrogen circulating pump to rotate along a first rotating direction according to the first icebreaking signal to carry out ith-stage icebreaking, and after the ith-stage icebreaking, controlling the rotor to rotate along a second rotating direction according to the second icebreaking signal to carry out (i + 1) th-stage icebreaking; after the (i + 1) th stage of ice breaking, the rotor is controlled to rotate in the first rotating direction according to the first ice breaking signal to conduct (i + 2) th stage of ice breaking; the actual rotating speed of the rotor is obtained in real time; and whether icebreaking starting is completed or not is judged according to the actual rotating speed and the target rotating speed. According to the technical scheme provided by the invention, the hardware cost of icebreaking starting is reduced, and the icebreaking efficiency is improved.

The invention discloses an ice breaking emergency rescue robot. The ice breaking emergency rescue robot comprises two vertical plates and a wire, wherein first through holes are formed in the middle parts of the vertical plates; double-shaft motors are fixedly mounted at the middle parts of the outer sides of the two vertical plates; one output shaft of each double-shaft motor horizontally penetrates through the corresponding first through hole in the inner side, and then is provided with a first bevel gear in a matched manner; the other output shaft of each double-shaft motor horizontally faces the outer side, and the outer end is provided with a second bevel gear in a matched manner; second through holes are formed in the front and back side walls of a box body; blades fixedly sleeve thefront and back ends of a first rotating shaft; and a third bevel gear fixedly sleeves the middle part of the first rotating shaft. When the ice breaking emergency rescue robot is applied to deicing of a four-split wire, the ice breaking rescue robot can be automatically pushed on the four-split wire, so that a small ball continuously gets away from and impacts the wire, an ice layer on the surface of the wire can be quickly cleaned, and the ice breaking efficiency is improved; and the small ball takes into account rotary motion in reciprocating motion of getting away from and impacting the wire, so that the cleaning effect of the small ball on the ice layer on the surface of the wire is more remarkable, and the ice breaking emergency rescue effect is timely and efficient.

The invention relates to a polar region submerged body hatch cover with a self-icebreaking function. The polar region submerged body hatch cover comprises a submerged body, a hatch cover rotationally hinged to the inner side of a shell wall of the submerged body and an icebreaking mechanism arranged below the hatch cover. An opening and closing locking device is arranged on an inner surface of the hatch cover and is driven by a pair of opening and closing locking hydraulic cylinders to operate; the icebreaking mechanism is arranged on the supporting platform around the opening in the bottom of the access cabin and comprises a hydraulic lifting column, a shell and an icebreaking disc, wherein the hydraulic lifting column is installed on the supporting platform, the icebreaking disc is rotationally hinged to the shell, the hydraulic lifting column drives the shell and the icebreaking disc to be led out from the top of the access cabin to break an ice layer, and a plurality of icebreaking drills and hobs are arranged on the icebreaking disc. The ice breaking mechanism moves up and down to cut an ice layer, the ice breaking drill and hob combined structure is adopted for breaking ice from bottom to top, ice breaking efficiency is improved on the basis of the ice layer breaking mechanism, and the ice layer above the hatch cover is thoroughly smashed.

The invention discloses a tool for deicing steps. The tool comprises a machine body, an ice breaking assembly arranged in the machine body and used for separating ice blocks from the ground, a pushing assembly arranged in the machine body and used for pushing and removing the broken ice blocks in a unified mode, and a telescopic assembly arranged in the machine body. The ice breaking assembly comprises a control assembly for providing a control effect, an elastic rope and a separation assembly for crushing ice blocks and separating the ice blocks from the ground; according to the technical scheme, the tool for removing the ice on the steps saves labor when a worker breaks the ice on the steps, and meanwhile it is guaranteed that the palm of the worker cannot be damaged due to too large working labor intensity. The ice breaking assembly is adopted to break ice blocks frozen on the steps, preparation is made for workers to uniformly push and remove the broken ice blocks later, the labor intensity of the workers is reduced, strength is saved, the ice breaking efficiency of the workers is improved, and the whole device is simple in structure and low in manufacturing cost.

The invention discloses an icebreaker structure. The structure comprises a hull and an ice breaking device, a windlass and a hull power device are arranged on the hull, the windlass is connected withthe hull power device, the windlass is connected with the ice breaking device through a transmission connecting device, the ice breaking device comprises a supporting body and a transmission chain, the transmission chain comprises a transmission chain type hammer and saw bits, the windlass is driven to operate by the hull power device, the windlass allows the ice breaking device to be lifted, lowered or moved through the transmission connecting device, and ice breaking operation is conducted by the transmission chain type hammer and the saw bits under the action of the transmission connectingdevice. According to the structure, the ice breaking device is utilized to break icy layers, the icy layers are not crushed and broken by the gravitational force of the hull, the subjected impact andcollision in the ice breaking process are effectively reduced, severe damage on the hull is not generated, ice breaking is convenient, the ice breaking device is accommodated in the hull body when icebreaking is not needed, and the use is convenient.

The invention provides an ice breaking device which is suitable for manual ice breaking after a large area of water surface is frozen. The ice breaking device comprises a delivery system, a scattering system and an ice breaking element system. The delivery system comprises a rocket engine and an underwater movable parent projectile body. The scattering system comprises an extension pipe and scattering reagents. The ice breaking element system comprises independent sub projectile bodies which are symmetrically embedded in the two sides of a parent projectile shell of the underwater movable parent projectile body. The delivery system can move in the water under ice to be away from an initial operation area and scatter the ice breaking element system in the direction parallel to the ice surface under the action of the scattering system after reaching a determined area and conduct explosion for ice breaking. The ice breaking element system generates pushing force through the structure of the ice breaking element system to move in the water at random to explode to increase the ice breaking area. According to the ice breaking device, the parent and sub projectile scattering principle is adopted, and the ice breaking device is away from the initial operation area, and is simple in structure, easy to operate, high in safety, large in breaking area, obvious in ice breaking effect, and low in environment pollution, and lowers production difficulty and cost.