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 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 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 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 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 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 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 relates to the field of icebreaking mechanisms, in particular to a continuous icebreaking mechanism meeting the requirement of ocean icebreaking operation. The continuous icebreaking mechanism is characterized in that a support, a mechanical arm, a linear motor, a toothed rod and a rotary ice breaker are included, the support is connected with and supports the mechanical arm, the mechanical arm is connected with the upper end of the toothed rod and used for supporting the toothed rod and also used for adjusting the angle of the toothed rod, the toothed rod connected with the mechanical arm can move in a vertical reciprocating mode, the linear motor is located at the joint of the mechanical arm and the toothed rod and used for driving the toothed rod to move in a vertical reciprocating mode, sawteeth are mounted on the front side of the toothed rod and used for cutting ice layers, and the rotary ice breaker is fixed at the lower end of the toothed rod and used for drilling through the ice layers from top to bottom. The continuous icebreaking mechanism has the advantages that ice layers are broken by small force and are not crushed by gravity of a boat, the requirement for a propeller and relevant facilities of the icebreaker boat is effectively lowered, and the icebreaking efficiency is improved.

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.