306 results about "Snow shoveling" patented technology

The invention discloses efficient snow removal equipment for a vehicle and a using method, and belongs to the technical field of snow removal equipment, the efficient snow removal equipment comprises a supporting cross beam, a snow shovel hinged to the side edge of the supporting cross beam, and a compression spring installed between the outer side of the snow shovel and the top of the supporting cross beam. The ice breaking mechanism composed of the control box, the vertical rod, the supporting block, the reset spring, the first shaft rod, the protruding block and the groove is arranged at the front end of the snow shovel, the driving mechanism is used for controlling rotation of the first shaft rod, the vertical rod can be driven to ascend and descend in a reciprocating mode, ice on the road surface is broken before snow shoveling, the functionality and the snow removing effect of the device are improved, and the practicability is high. And in addition, a conical block is hinged to the bottom end of the vertical rod and can rotate in the direction of the snow shovel, and reset of the conical block is controlled through a tension spring, so that after ice breaking, along with continuous movement of the vehicle, the conical block can apply certain thrust to broken ice blocks and loosen the broken ice blocks, resistance generated when the vehicle moves forwards cannot be increased, and practicability is higher.

The utility model discloses a snow removing device for a distributed photovoltaic support ceiling of an expressway, and relates to the technical field of photovoltaic module snow removal, and the technical scheme is characterized in that a snow shoveling and transporting mechanism comprises a snow shoveling plate with a radian at the bottom, and the power input end of the snow shoveling and transporting mechanism is connected to a first transmission assembly; the power input end of the first transmission assembly is connected to the second transmission assembly, the first transmission assembly comprises a front rotating rod, the second transmission assembly comprises a rear rotating rod, and the front rotating rod and the rear rotating rod are in transmission through a belt so that the front wheels and the rear wheels can keep the same steering direction to drive the whole device to move forwards. The snow shoveling device has the effects that the chain is arranged to drive the snow shoveling plate, so that the snow shoveling plate always keeps moving in one direction at the contact part with the surface of the photovoltaic panel, the snow shoveling plate pushes the accumulated snow to continuously move outwards until the accumulated snow slides off from the edge of the photovoltaic panel after shoveling the accumulated snow along the slope of the photovoltaic panel, and the condition of residual snow accumulation is avoided.

The utility model relates to the technical field of snow sweepers, in particular to a multi-angle adjustable snow sweeper which comprises a collecting box, one end of the collecting box is fixedly connected with a hollow shell, one side of the bottom end of the hollow shell is fixedly connected with a column body, the two ends of the column body are rotationally connected with rotating shafts A, snow shoveling plates are fixedly connected into the rotating shafts A, and the snow shoveling plates are fixedly connected into the collecting box. Mechanical devices are fixedly connected to the two ends of one side of the snow shoveling plate, a controller is fixedly connected to one ends of the mechanical devices, a control line is fixedly connected to one section of the controller, and a control button is fixedly connected to one end of the control line. Through the arrangement of the connecting block, the rotating column, the bearing and the cylinder, when the snow sweeper is used, the rotating column is inserted into the cylinder, free rotation can be achieved through the bearing in the cylinder, the rotating column rotates to drive the connecting block to rotate, and therefore the connecting block drives the whole snow sweeper to rotate, and the multi-angle effect is achieved; workers can conveniently turn to sweep at any time, and time cost is reduced.

The invention discloses an assembly type steel corrugated plate structure snow protection shed tunnel, and relates to the technical field of shed tunnels, the assembly type steel corrugated plate structure snow protection shed tunnel comprises a shed body, and further comprises a snow covering monitoring and shoveling mechanism and an accumulated snow push-out mechanism, through the arrangement of the snow covering monitoring and shoveling mechanism, the gravity effect of accumulated snow on an arc-shaped snow covering plate is utilized, and take-up reels on the two sides of the shed body can be driven to synchronously start to operate; the traction rope is rotationally stored and released, so that the sliding rod can slide above the arc-shaped snow covering plate, the snow removing brush and the snow shoveling plate can be attached to the outer surface of the arc-shaped snow covering plate to remove accumulated snow on the outer surface of the arc-shaped snow covering plate, it is ensured that the accumulated snow is thoroughly and evenly removed, the working efficiency is improved, and the snow removing effect is improved. In addition, when the accumulated snow is accumulated to a certain degree, the gravity action of the accumulated snow is utilized to naturally trigger the mechanism to be started, manual intervention or external signals are not needed, it is ensured that the accumulated snow cannot be accumulated for a long time, and therefore structural pressure or potential safety hazards caused by too much accumulated snow are reduced.

The invention discloses a free floating snow pushing shovel and a snow removing vehicle, and belongs to the technical field of snow removing machinery manufacturing, the free floating snow pushing shovel comprises a floating mechanism, one end of the floating mechanism is connected with one side of a snow removing frame assembly, and a plurality of snow pushing shovel assemblies are sequentially arranged on the side, away from the floating mechanism, of the snow removing frame assembly; the floating mechanism is used for driving the snow removing frame assembly and the snow pushing shovel assemblies to move in the horizontal or vertical direction. Compared with a traditional mode that only a connecting rod is used for swinging, the snow removing shovel can adapt to road surface fluctuation more flexibly, extra abrasion to the shovel edge caused by the uneven road surface is reduced, then the operation cost and the equipment failure rate are reduced, and the economical efficiency and the high efficiency of snow removing operation are improved.

1. Name of this design product: Snow shovel operating lever. 2. Purpose of this design product: used for shoveling and removing snow. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other matters requiring explanation Other explanations: The portion indicated by the solid line in each view represents the portion of the product requiring protection; the portion indicated by the dotted line represents the portion of the product not claimed for protection in this application.

The invention discloses a multifunctional cleaning device for a photovoltaic panel, and relates to the technical field of photovoltaic panel cleaning. The device comprises a vehicle body, a mechanical arm and a fixing frame located at one end of the mechanical arm, the fixing frame is hinged to one end of the mechanical arm, a sweeping assembly is arranged in the fixing frame and comprises a snow removing unit and a conveying unit, the snow removing unit comprises a sweeping brush, a rotating plate and a snow shoveling plate, and the sweeping brush and the rotating plate sweep snow through rotation; floating snow can be efficiently removed through the sweeping assembly without damaging a photovoltaic panel coating film, accumulated snow is directionally gathered through the rotating plate, the sweeping concentration degree is improved, the accumulated snow and an ice layer can be effectively shoveled and compacted through the obliquely-arranged snow shoveling plate, the problem that the adaptability of a single sweeping component is poor is solved, the accumulated snow can be rapidly conveyed to the collecting hopper through the conveying pipe to be stored in a centralized mode, and the sweeping efficiency is improved. Therefore, secondary accumulation of accumulated snow around the photovoltaic panel is reduced, the power generation efficiency is improved, and the service life of equipment is prolonged.

The invention provides a snow removal robot, and belongs to the technical field of municipal engineering equipment. A snow shoveling bucket is fixedly connected to the front portion of a cantilever, a plurality of driving wheels and a plurality of driven wheels are rotationally connected to the two sides of a machine body, supports are fixedly connected to the two sides of the machine body, supporting wheels are rotationally connected to the supports, tracks are arranged on the driving wheels, the driven wheels and the supporting wheels, and a driving motor is fixedly connected to the machine body. The driving motor is in transmission connection with the driving wheel, a connecting shaft is connected between the driven wheels on the two sides of the machine body, and a battery is arranged in the machine body. The crawler-type traveling mechanism is adopted, a plurality of driving wheels are used for driving the crawler belt to operate, transmission is established between the driven wheels on the two sides through the connecting shafts, and the reliability and road holding force of the traveling mechanism are fully guaranteed. Meanwhile, the operation path is more flexible, and the robot is suitable for the working environment of a small plane site or a complex site; and due to the remote control function, the on-site unattended operation can be realized, and the automation degree is higher.

The invention discloses a highway pavement emergency snow removal device, and particularly relates to the technical field of pavement snow removal, the highway pavement emergency snow removal device comprises a snow shoveling device and a dynamic supporting assembly, the snow shoveling device comprises a rolling shaft I, side rings are fixedly connected to the two sides of the rolling shaft I, a supporting shaft I is fixedly connected to the middle of the rolling shaft I and the middle of the side rings in a penetrating mode, and a groove is formed in the surface of the rolling shaft I; the inner wall of the groove is fixedly connected with a torsional spring hinge, the side, away from the inner wall of the groove, of the torsional spring hinge is fixedly connected with a shovel plate, the surface of the shovel plate is fixedly connected with a barrier strip and convex thorns, and the side, away from the barrier strip, of the groove is provided with a chamfer; the problems that a large amount of accumulated snow is accumulated on a non-motorized vehicle lane and a sidewalk so that the non-motorized vehicle lane and the sidewalk are difficult to walk due to the fact that a bucket shovels the accumulated snow and pushes the accumulated snow to the two sides of the road, accidents are caused by slipping of an automobile when the automobile crosses the accumulated snow road in the process of driving from the two sides of the road to the middle of the road, and the snow removing effect is poor are

1. The name of this design product: Snow shovel body. 2. Purpose of this design product: used for a snow shovel, and the part for which protection is sought is used for the main body of the snow shovel. 3. The key design feature of this design product lies in the shape of the part for which protection is requested. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a snow shoveling assembly for a snow sweeper, which relates to the technical field of road snow removing tools and comprises an adjusting mechanism and a connecting mechanism, and the adjusting mechanism comprises a fixed shovel, a first sliding limiting groove, a sliding shovel, a sliding block, a fixed block, a sliding groove, a motor, a bidirectional screw rod and a sliding rod. By arranging the adjusting mechanism, the motor can be started according to the width of a road to be subjected to snow removal in actual use, the motor drives the two-way lead screw to rotate, and the two-way lead screw drives the two sliding rods to move in the opposite directions; the sliding rod moves to drive the two sliding shovels to slide on the first sliding limiting grooves in the fixed shovel, so that the positions of the sliding shovels are adjusted to adapt to snow removal operation on roads with different widths, an operator does not need to manually replace and install the snow removal shovels, the adjusting mode is simple and convenient, and high practicability is achieved.

The utility model discloses a salt spreading vehicle which comprises a vehicle frame, a front wheel, a rear wheel, a salt storage box, a snow shoveling mechanism, a transmission mechanism, a salt spreading device, a storage battery and a controller, and the front wheel is arranged on the front side of the vehicle frame and provided with a hub motor. The two rear wheels are universal wheels and are symmetrically arranged on the left side and the right side of the frame, and a handlebar support is fixedly arranged at the rear end of the frame. The salt storage box is fixedly arranged on the upper rear portion of the frame, a salt discharging opening is formed in the bottom of the salt storage box, the salt spreader is arranged below the salt storage box and is opposite to the salt discharging opening in the forward direction, and the salt spreader is connected with a rotating shaft of the hub motor through a transmission mechanism and drives the salt spreader to rotate. The snow shoveling mechanism comprises a snow shoveling plate and a connecting assembly, the snow shoveling plate is transversely installed in front of the frame, and a base plate is arranged at the bottom of the rear side. The road snow removing device has the functions of shoveling accumulated snow on a road surface and uniformly scattering snow melting salt, saves trouble and labor, reduces the number of operators, is high in automation degree, saves labor cost, is wide in application range, and improves snow removing efficiency.

The utility model discloses a profiling snow scraping shovel. The profiling snow scraping shovel comprises a bucket body, a shovel blade, a rotary connecting piece and an elastic reset piece. The bucket body comprises a front plate and a back plate; the front plate and the back plate are oppositely arranged, and a flat groove for installing a scraper knife is formed in the landing side of the bucket body. And the scraper knife is rotationally mounted on the back plate through the rotary connecting piece, so that the scraper knife has a rotational degree of freedom in the plane where the flat groove is located. The rotary connecting piece is a set of shaft sleeves, and a first receding hole set matched with the shaft sleeves is formed in the scraper knife. And the elastic resetting piece accumulates elastic restoring force under the rotation of the scraper knife so as to drive the scraper knife to reset after the external force is removed. The snow scraping shovel further comprises a fastener which is used for directly or indirectly connecting and fixing the front plate and the back plate. When the scraper knife makes contact with the uneven ground, the working angle is adjusted in a self-adaptive mode, the snow removing efficiency is improved, and working noise and equipment abrasion are reduced.

A novel snow shovel for a vehicle comprises a shovel blade seat, a brush seat, a locking rubber ring, a fixing pipe and an adjusting pipe. The rear side ends of the scraper knife seat and the brush seat are respectively provided with a connecting pipe; the connecting pipes of the scraper knife seat and the brush seat are respectively arranged together with the front side ends of the fixed pipe and the adjusting pipe; a rotating head is arranged at one end of the rear side of the adjusting pipe, a limiting plate is arranged on the front side of the rotating head, ejector blocks are arranged on the two sides of the rotating head, and the outer sizes of the ejector blocks on the two sides are consistent. The number of the locking rubber rings is at least two, each locking rubber ring is of a semi-arc-shaped structure, the inner side end of each locking rubber ring is a top cavity, and the two locking rubber rings are arranged at the two side ends of the top block of the rotating head in a sleeving mode respectively; and the rear side end of the adjusting pipe sleeves the rear inner side end of the fixed pipe. A vehicle owner can conveniently shovel and sweep snow, the structure is compact, use is convenient, the length can be conveniently adjusted left and right through the fixing pipe and the adjusting pipe, and effective fixing can be achieved after adjustment. The market competitiveness of the product is correspondingly improved, so that the product has a good application prospect.

The embodiment of the invention provides a snow shovel unfolding and folding control method, and relates to the technical field of snow shovels. The snow shovel unfolding and folding control method comprises the steps that an unfolding instruction is obtained, and an electromagnet on the right side of a first reversing valve is controlled to be electrified according to the unfolding instruction; keeping the electrifying duration of the first reversing valve to a first preset duration, and controlling the right electromagnet of the first reversing valve to be de-energized; a right electromagnet of the second reversing valve is controlled to be electrified; keeping the electrifying duration of the second reversing valve to a second preset duration, and controlling the right electromagnet of the second reversing valve to be de-energized. Acquiring a recovery instruction; controlling a left electromagnet of the second reversing valve to be electrified according to the withdrawing instruction; keeping the electrifying duration of the second reversing valve to a seventh preset duration, and controlling an electromagnet on the left side of the second reversing valve to be de-energized; a left electromagnet of the first reversing valve is controlled to be electrified; keeping the electrifying duration of the first reversing valve to an eighth preset duration, and controlling an electromagnet on the left side of the first reversing valve to be de-energized. The control method can reduce the operation difficulty of folding and unfolding the snow shovel and improve the operation safety.

The utility model discloses a road-rail dual-purpose vehicle for disaster prevention and control. The road-rail dual-purpose vehicle comprises a road vehicle body, a rail traveling mechanism and a snow removing mechanism, the rail traveling mechanism comprises a lifting guide frame and guide wheels, the guide wheels are all arranged on the lifting guide frame, and the lifting guide frame is used for lifting and lowering the guide wheels; the snow removing mechanism comprises a snow shoveling assembly, a snow melting assembly and a snow sweeping assembly, and the snow shoveling assembly, the snow melting assembly and the snow sweeping assembly are sequentially arranged on a vehicle head of the road vehicle body from left to right and used on a road or a railway. The road vehicle body is matched with the rail traveling mechanism, the traveling mode of the road and the traveling mode of the rail can be switched, the vehicle can travel on the road and can also travel on the rail, snow shoveling, snow melting and snow sweeping are matched in the traveling direction through the snow removing mechanism, efficient snow removing is achieved, and the snow removing efficiency is improved. The snow removing requirements of roads and railways can be met simultaneously.

The invention relates to the technical field of road snow removal, in particular to a shoveling, throwing, snow collecting, melting and storing dual-mode snow sweeper which comprises a sweeper head and a carriage, and chassis at the sweeper head and chassis at the tail end of the carriage are each connected with a three-point suspension device; the three-point suspension device at the front end is connected with a snow cleaning shovel through a connecting frame, and the three-point suspension device at the rear end is connected with a double-auger snow collecting device. A snow melting and water storage device which is in through connection with the double-auger snow collecting device is arranged in the carriage; the dual-mode design of shoveling and throwing, snow collecting, melting and storing is adopted, efficient snow shoveling and throwing operation is completed through the snow cleaning shovel, residual accumulated snow on the road surface is collected through the double-auger snow collecting device, the accumulated snow is converted into storable water resources through the snow melting and water storing device, and the problem that a traditional snow sweeper can only push and throw snow singly is solved.

1. Name of the designed product: snow shovel (13 inches). 2. Use of the designed product: snow removal tool. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

1. The name of the product of this design: Snow shovel (4). 2. Purpose of this design product: used for shoveling snow. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Disclosed is a snow shoveling and snow discharging assembly of a snow sweeping robot. The snow shoveling and snow discharging assembly comprises a snow stirring structure, a snow feeding structure and a snow raising structure. Stirring cutters in the snow stirring mechanism are driven by a stirring cutter shaft to stir bottom area snow into a snow feeding pipe of the snow feeding structure, an air blower in the snow feeding structure blows accumulated snow into a snow raising pipe of the snow raising structure through a connecting pipe, the snow raising pipe can be driven by a steering motor to rotate by a certain angle to control the snow raising direction, and a second electric push rod acts to control pitching of the guide part, so that the height of snow during snow raising is controlled.

The utility model discloses a snow shovel anti - splash guide -house, include: install roof, the bottom fixedly connected with snow shovel block of install roof, the bottom fixedly connected with the shovel board of snow shovel block, the surface both sides fixedly connected with the anti - snow accumulation component for preventing splashing of snow shovel block, prevent the splashing of gravel and so on sundries in the process of using the shovel board shovel snow through the structure of anti - snow accumulation component help device whole, clean the internal snow simultaneously, use the inference in the process of using the snow shovel board to drive the mobile antiskid wheel rotation, and this kind of mobile antiskid wheel can assist the user to complete the snow shovel more easily, and the rotation of this kind of mobile antiskid wheel will drive the rotation of rotating axle, to this drive the continuous rotation of anti - accumulation gyro wheel in the use process, prevent the snow accumulation, drive the rotation of both sides' connection rotating plate simultaneously, to this drive the snow shovel plate continuous opposite side anti - splash board inner wall part and remove the snow of accumulation, prevent the accumulation of snow and freeze to form frozen snow, influence use.

The utility model discloses a snow pan with a detachable handle, and relates to the technical field of snow pans, the snow pan comprises a pan body assembly and a handle assembly, the pan body assembly and the handle assembly are used for installing a quick disassembly assembly; the rapid dismounting assembly comprises an inserting column fixedly arranged on the right side of the fixing base, arc-shaped locking grooves are formed in the top and the bottom of the inserting column, and the rapid dismounting assembly further comprises a connecting sleeve arranged on the outer side of the inserting column in a sliding and sleeving mode. And containing grooves communicating with an inner cavity of the connecting sleeve are formed in the top and the bottom of the connecting sleeve correspondingly, locking steel balls matched with the arc-shaped locking grooves are slidably arranged on the inner sides of the containing grooves, and the right end of the outer side of the connecting sleeve is slidably sleeved with a sliding sleeve. The handle assembly can be disassembled and assembled more conveniently, actual disassembly and assembly can be completed by a single hand, and actual use is more convenient.

The utility model belongs to the field of highway engineering snow removal, and provides a highway engineering maintenance snow remover which comprises a structural component, a structural part, a lifting part arranged on one side of the structural part, an adjusting part arranged on one side of the lifting part and a snow melting part arranged on one side of the structural part. The structural part comprises a mounting plate and a mounting frame slidably arranged on one side of the mounting plate through a lifting part, the adjusting part is arranged on one side of the mounting frame, the structural part further comprises a snow removing scraper knife hinged to one side of the adjusting part, and the snow removing scraper knife is of an arc-shaped plate structure; according to the snow removing device, the height and the gradient of the snow removing scraper knife can be conveniently adjusted in real time through the lifting part and the adjusting part arranged on one side of the lifting part, adjustment treatment can be conveniently conducted according to the thickness of accumulated snow on the road surface, and the snow removing effect of the device is improved; and meanwhile, a snow melting agent and the like can be conveniently poured into the road surface after the snow is shoveled through the arranged snow melting piece, and the snow removing effect of the device is further improved.

1. The name of the design product: single rod snow shovel. 2. The use of the design product: the design product is used for road snow removal. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This utility model discloses a high-frequency vibration anti-clogging device for a snowplow bucket, including a bucket body and a mounting frame fixedly installed on the rear side of the bucket body. A drive groove is fixedly installed at the bottom of the mounting frame, and a rotating shaft is rotatably connected to the middle of the drive groove. A support frame is fixedly installed at the bottom of the drive groove, and a transmission rod is rotatably connected to the bottom of the support frame. A follower roller located between two support frames is fixedly installed on the transmission rod. Sliding plates are slidably connected to the upper and lower ends inside the drive groove. A fixed sleeve rotatably connected to one side of the drive groove is fixedly installed on the rotating shaft. The fixed sleeve is drively connected to the transmission rod. An arc-shaped toothed plate located inside the drive groove is fixedly installed on the outer circumference of the fixed sleeve. A rack is fixedly installed on the top of the sliding plate below. A striking hammer on the connecting horizontal plate rapidly impacts the outer wall of the bucket body, causing the bucket body to vibrate and shake off the adhering snow.

The present invention discloses a distributed photovoltaic power generation snow clearing device, comprising a photovoltaic bracket, a photovoltaic mounting plate, a covering and cleaning component and an ice shaking mechanism, wherein the photovoltaic mounting plate is fixedly arranged on the photovoltaic bracket, a photovoltaic panel group is detachably arranged on the photovoltaic mounting plate, movable components are arranged on both sides of the photovoltaic mounting plate, the covering and cleaning component is movably arranged on the surface of the photovoltaic panel group, the covering and cleaning component comprises a support cover and a snow shovel plate, both ends of the support cover are connected to the movable component, a winding roller is arranged in the support cover, a waterproof cloth is wound on the winding roller, one end of the waterproof cloth is fixedly arranged on one end of the photovoltaic mounting plate, the snow shovel plate is rotatably arranged above one end of the support cover, the bottom of the snow shovel plate is elastically in contact with the surface of the waterproof cloth, the ice shaking mechanism is liftably arranged at one end of the support cover, and the ice shaking mechanism is arranged below the waterproof cloth.

1. Name of the designed product: snow shovel. 2. Use of the designed product: for shoveling snow. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. Name of the design product: snow shovel brush (detachable). 2. Use of the design product: used for detachable comprehensive tool with snow removing, snow sweeping and ice removing functions. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses a snow shoveling plate preparation process in the technical field of snow shoveling plate preparation, which comprises the following steps: preparing hard alloy snow shoveling teeth by adopting ultra-coarse particle tungsten carbide and EFS-T cobalt powder, processing a welding groove in an NM400 steel plate, performing sand blasting, treating a hard alloy welding surface, paving Ag-Cu-Ti three-layer gradient brazing filler metal, performing high-frequency induction brazing, and performing post-welding heat treatment to eliminate stress. And finally, straightening and detecting. The snow shoveling plate manufactured through the technology is good in wear resistance, high in welding interface shear strength and excellent in impact toughness at the temperature of-40 DEG C, the hard alloy snow shoveling teeth are modularly designed and can be detached and replaced, and the problems that an existing snow shoveling plate is insufficient in wear resistance, prone to falling off during welding, high in maintenance cost and the like are solved.

The protruding road sign comprises a fixed part, a movable part and a circular ring piece, the fixed part comprises a base, the movable part comprises a top cover and a protruding road sign body, the protruding road sign body is arranged in the middle of the top end of the top cover, the cross section of the protruding road sign body is designed to be of a trapezoidal structure, and an outer elastic piece is arranged in the middle of the bottom end of the top cover. A positioning column is arranged in the middle of the bottom end of the inner wall of the base, a guide column is arranged at the top end of the inner wall of the protruding road sign, and an inner elastic piece is arranged in the middle of the bottom end of the guide column. By arranging the sunken convex road sign, on one hand, snow and ice on the road are not easily shoveled in winter, on the other hand, the road sign is not easily broken when the road is frequently rolled by a heavy truck, and wheel slipping caused by large ice blocks formed around the road when the road is frozen can be avoided; and through mutual cooperation of the circular ring piece, the fastening screw and the rubber ring, a separated design is adopted, so that a worker can conveniently carry out later disassembly and replacement work.