12results about How to "Improve ice breaking ability" patented technology

The invention belongs to the technical field of ship and ocean icebreaking, and particularly relates to an icebreaker auxiliary icebreaking method based on adjustment of ballast water induced pitching motion. The water ballast tanks are arranged in the head area and the tail area in the icebreaker, in the continuous icebreaking process, the carrying process between the water ballast tanks in the head area and the water ballast tanks in the tail area is repeatedly executed, the icebreaker generates the additional pitch angle of 3-7 degrees, and the icebreaking effect is improved. The water ballast tanks are arranged in the left side area and the right side area in the icebreaker, when the icebreaker is trapped in an ice group, the ice breaker generates a continuous rolling process by repeatedly executing the carrying process between the water ballast tanks in the left side area and the water ballast tanks in the right side area, the icebreaker is helped to break large ice layers in the ice group, and the ice breaking efficiency is improved. And ice breaking and escape are assisted.

The application provides a closed disconnecting switch with ice breaking function, which comprises a first static contact assembly, a second static contact assembly and a movable contact blade assembly connecting the first static contact assembly and the second static contact assembly. One end of the movable contact blade assembly is rotatably connected with the first static contact assembly, and the other end of the movable contact blade assembly can be separated from or contacted with the second static contact assembly, so as to realize the opening and closing of the disconnecting switch. The closed disconnecting switch with ice breaking function reduces the ice thickness of the joint between the movable contact blade assembly and the first static contact assembly through the sealing design. On the other hand, the opening and closing function is realized by the rotation of the movable contact blade assembly around the first static contact assembly, and the ice at the joint between the first and second insulating housings is cut by the knife edge formed by the edge of the second insulating housing used for cooperating with the first insulating housing, so that the ice breaking capacity is improved.

Relates to the technical field of road surface icebreaking, in particular to an icebreaking device facilitating stepped adjustment of the height of a rotary cutter. The icebreaking device comprises a top seat plate and a plurality of cutter rest plates. A plurality of rotary knife assemblies are installed in the center of the knife rest plate at intervals in the length direction, limiting structures for limiting the knife rest plate to only move vertically are arranged on the two sides of the knife rest plate, and two inserting shafts are fixed to the two end faces of the knife rest plate respectively. A supporting piece is fixed to the front end of the lower plate face of the top seat plate, a telescopic cylinder is arranged at the rear end of the lower plate face of the top seat plate, two adjusting plates are symmetrically arranged on the two sides of the lower portion of the top seat plate, strip-shaped holes are formed in the plate faces, corresponding to the corresponding end faces of the tool rest plate, of the adjusting plates, and inserting shafts on the end faces of the tool rest plate are correspondingly inserted into the corresponding strip-shaped holes. The front end of the adjusting plate is correspondingly hinged to the supporting piece, the rear end of the adjusting plate is correspondingly hinged to one end of the telescopic cylinder, and the other end of the telescopic cylinder is correspondingly hinged to the top seat plate. According to the icebreaking device, the multiple rows of rotary cutters are arranged to be adjusted in place in a stepped one-step mode, and the icebreaking effect is improved while the lifting adjustment convenience is considered.

This invention belongs to the field of grinding and surface finishing technology, and relates to a follow-up resonant grinding and foreign matter removal device and process for power supply cables. The device includes a precision resonant actuation mechanism, a contour grinding head, a grinding impedance detection unit, and a frequency conversion grinding control center. Based on the electromechanical coupling impedance signal, the control center tracks the mechanical resonant point through phase-locked logic and adjusts the drive signal frequency, so that the contour grinding head with its segmented, clamping structure is in a resonant grinding state with the foreign matter on the surface of the power supply cable. The high-frequency vibration of the inner abrasive layer performs micro-cutting and shearing peeling of the foreign matter; and adaptive mode switching is achieved based on the dynamic characteristics of the impedance spectrum. This invention achieves non-destructive precision micro-grinding, efficiently removes ice buildup and improves the surface finish of the workpiece, avoiding damage from traditional rigid scraping, and is suitable for cleaning the surface of power supply cables such as cables.

The invention relates to the technical field of tires, and discloses a snowfield light truck tire. The tire adopts a double-layer tread design, the upper tread rubber adopts a special extremely cold region formula design and an ultra-low hardness design, the glass transition temperature Tg is lower than-50 DEG C, and the hardness is 48-56; the lower tread rubber adopts a low glass transition temperature design and a medium hardness design, the glass transition temperature Tg is lower than-45 DEG C, and the hardness is 60-70. By means of the design, the tire can provide shorter braking distance and better road holding force when running on the snowfield, and meanwhile the high speed and durability of the tire are guaranteed.

The invention discloses a multi-medium composite jet flow generating device and a polar region underwater jet flow icebreaking method. The multi-medium composite jet flow generating device comprises an outer spray pipe used for spraying airflow in an accelerated mode and an inner spray pipe used for spraying mixed liquid flow of water and grinding materials in an accelerated mode. And the outer spray pipe is coaxially sleeved on the inner spray pipe, so that the airflow sprayed by the outer spray pipe surrounds the periphery of the mixed liquid flow sprayed by the inner spray pipe. The inner spray pipe generating the mixed liquid jet flow is nested in the outer spray pipe generating the gas jet flow, the gas jet flow generated by the outer spray pipe surrounds the liquid jet flow, seawater is discharged through the gas jet flow, and the resistance of the mixed liquid jet flow can be remarkably reduced, so that the target distance of the mixed liquid jet flow and the tail end energy of the mixed liquid jet flow can be greatly improved; therefore, the jet icebreaking capacity under the underwater submerging environment can be obviously improved. And when the composite jet flow generated by the device acts on the ice body in three media of gas, liquid and solid abrasive particles, the ice breaking effect can be further improved compared with single-medium ice breaking.

The utility model discloses a power transmission line deicing device which comprises a deicer, the deicer comprises a supporting rod, a supporting plate is arranged on the supporting rod, a covering frame and a covering plate are hinged to the supporting plate, a connecting rod is arranged on the covering frame, a movable air cylinder is arranged on the supporting plate, and a movable rod is hinged to the output end of the movable air cylinder. Heating mechanisms are arranged on the supporting plate and the covering plate, a supporting frame is arranged on the supporting rod, a driving air cylinder is arranged on the supporting frame, a driving frame is arranged at the output end of the driving air cylinder, an icebreaking rolling shaft and protrusions are rotationally arranged on the driving frame, and a collecting box is arranged on the supporting frame. The driving air cylinder is arranged to drive the driving frame and the ice breaking rolling shaft to clamp the cable, the ice breaking rolling shaft and the protrusions roll on the cable, ice on the cable is broken, and the ice breaking effect and the ice breaking efficiency are improved.

The utility model discloses a single-row multi-roller ice crusher. At present, most of domestic icebreaking snow removers adopt loaders as carriers, and some units and departments need to purchase loaders without loaders, so that the equipment investment is increased. The ice breaking device comprises a connecting beam body (8) and a main beam (2), a plurality of bottom hanging covers (1) are fixed on the main beam, each bottom hanging cover is internally connected with an ice breaking roller body, the connecting beam body is connected with the main beam through a balance connecting rod (7), the connecting beam body is hinged with one end of a lifting hydraulic oil cylinder (3), and the other end of the lifting hydraulic oil cylinder (3) is connected with an ice breaking roller body. And the other end of the lifting hydraulic oil cylinder is hinged with the main beam. The multi-roller icebreaking snow remover is used for multi-roller icebreaking snow removal.

This invention discloses an asphalt concrete that combines ice-breaking and noise reduction with its manufacturing method, comprising the following raw materials by weight: 100-120 parts aggregate, 5-8 parts thermally conductive asphalt, 2-8 parts mineral powder, and 3-5 parts noise-reducing filler. The aggregate, noise-reducing filler, and mineral powder are stirred for 20 seconds, then the thermally conductive asphalt is added, mixed, and shaped to obtain the asphalt concrete that combines ice-breaking and noise reduction. Modified silicon carbide is introduced into the thermally conductive asphalt, with carbon nanotubes as the carbon source, silicon powder and silicon dioxide as the silicon source, and cobalt acetate as the cobalt source. Modified silicon carbide is prepared by solid-state sintering, in which cobalt atoms enter the silicon carbide lattice to prepare cobalt-doped silicon carbide. While silicon carbide itself has excellent thermal conductivity, the introduction of cobalt gives the modified silicon carbide magnetism and improves its microwave absorption performance. Under microwave action, it can quickly melt snow and break ice, and also improves the thermal conductivity of the asphalt, further improving the ice-breaking performance.

The utility model belongs to the technical field of rail transit, and particularly relates to a rail deicing device which comprises a case, four positioning adjusting mechanisms and a snow removing shovel. A snow removing shovel is fixedly installed at the front end of the machine box, and redundant accumulated snow on the track can be treated in advance. Four positioning adjusting mechanisms are installed on the outer side of the machine box, positioning wheels are installed below the positioning adjusting mechanisms, and the positioning wheels make contact with the side faces of the rails. A deicing piece and a traveling roller are fixedly mounted in the case, and the deicing piece and the traveling roller are driven by the motor to rotate, so that the effect that the deicing device performs deicing while traveling is achieved.

The invention belongs to the technical field of ship and ocean icebreaking, and particularly relates to an icebreaker auxiliary icebreaking method based on pitching motion induced by a rotating weight. The rotating weight devices are arranged on the head portion and the tail portion of the icebreaker, the rotating weight devices can be directly installed on an existing ship, and the ship does not need to be redesigned. In the continuous icebreaking process, the icebreaker generates an additional pitch angle of 5-10 degrees by repeatedly executing the heavy object carrying process between the head rotating heavy object device and the tail rotating heavy object device, and the icebreaking capacity of the icebreaker is improved.

The utility model provides a bottom hole deicing device, relates to the technical field of bridge deicing, and aims to solve the problems that an existing bottom hole deicing device has some defects that when a sanitation worker deices a bridge hole, a shovel is usually stretched to the outer end of the bridge and then used for shoveling ice away, but the shovel is prone to falling off when waving to deice, and the deicing effect is poor. The ice shoveling shovel comprises a fixing assembly, an ice shoveling assembly and an ice shoveling assembly, the fixing assembly comprises a mounting plate and a movable groove, and the mounting plate is of a rectangular structure. During use, the movable rod is movably mounted on a bridge through the mounting plate, then the movable rod is swung, and ice is crushed by the tail end of the movable rod according to the lever principle, so that the ice breaking effect is achieved, and compared with a traditional shovel deicing mode, the movable rod can be prevented from falling off during deicing, and the ice breaking efficiency is improved. And ice at the bottom of the bridge opening can be cleaned in a more labor-saving manner through the lever principle.