CN202039318U - Hauling and shock excitation type highway snow remover - Google Patents
Hauling and shock excitation type highway snow remover Download PDFInfo
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- CN202039318U CN202039318U CN2010202083275U CN201020208327U CN202039318U CN 202039318 U CN202039318 U CN 202039318U CN 2010202083275 U CN2010202083275 U CN 2010202083275U CN 201020208327 U CN201020208327 U CN 201020208327U CN 202039318 U CN202039318 U CN 202039318U
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Abstract
The utility model relates to a hauling and shock excitation type highway snow remover, which consists of a primary rack, a secondary rack, a generator set, a power distribution system of the generator set, an air compressor, an air supply system of the air compressor, a hydraulic system and a control system. A forward-traveling wheel of the primary rack, a backward-traveling wheel of the primary rack, a lifting guide wheel of the secondary rack, a traveling and hauling rod of the secondary rack, a traveling and boosting wheel of the secondary rack, a lifting hydraulic cylinder of the secondary rack, and the hydraulic system are arranged on the primary rack; a snow shoveling mechanism, a shock excitation mechanism, a stirring and sweeping mechanism and a blowing and sweeping mechanism are arranged on the secondary rack; and a forward-traveling wheel of the secondary rack and a backward-traveling wheel of the secondary rack and a lifting guide frame are also arranged on the secondary rack. The hauling and shock excitation type highway snow remover can effectively clean the various snows by means of snow shoveling, shock excitation, stirring and sweeping, and blowing and sweeping.
Description
Technical field
The utility model relates to a kind of environmental sanitation vehicles, specifically a kind of traction, excitation type highway snow removing machine.
Background technology
Winter, the highway snow removing was a great problem of puzzlement communications and transportation, though many professional person's hammer aways are arranged, used the automobile repacking snow removing vehicle, tried hard to solve this difficult problem, because of the cost height, consumed greatly, had various technical problems and technological deficiency, can not popularize.
At present both at home and abroad highway snow removing machinery vehicle class is still few, and exists and cost an arm and a leg, and problems such as functional, technological deficiency so can not popularize, seriously affect the communications and transportation behind the snow.Therefore, economical and practical, environmental protection, the anxious output to be researched and developed of the utility model snow removing machine that can promote the use of are to realize maximized economic benefit of transportation in winter and social benefit.
Searching through online, manufacturer production dens draconis Rolling type snow removing vehicle, Steel wire roll brush formula snow removing vehicle are arranged, with the snow removing vehicle (with high temperature, high pressure gas blowing snow) of aero-engine repacking, all is by large tonnage automobile repacking.Involve great expense, each snow removing vehicle is ten thousand yuans of 100-500.And idle during non-snow removing, make automobile form waste.The need that have can remove the snow not environmental protection after spreading snow melting agent.The consumption that has is big, and the snow removing vehicle of reequiping with aero-engine per hour consumes the 500-700Kg aero oil.Dens draconis Rolling type snow removing vehicle, Steel wire roll brush formula snow removing vehicle do not have the barrier of keeping away, and meet road surface manhole, fragile road surface of bridge expanssion joint high spot or component of machine.
Based on the present situation of present snow removing machinery because of existing cost and practical contradiction not to popularize, must change design concept, adjust design philosophy, an integration technology difficult problem.Use new approaches, seek new departure, research and development, economic, practical, the durable snow removing machine of production can be realized universal as early as possible purpose.
The utility model content
The purpose of this utility model just provides a kind of traction, excitation type highway snow removing machine, to solve the problem of existing snow removing vehicle because of existing cost and practical contradiction not to popularize.
The utility model is achieved in that a kind of traction, excitation type highway snow removing machine, and this machine is made up of mainframe, secondary frame, generating set and electrical distribution system, air compressor and air supply system thereof, hydraulic system and control system;
Described mainframe is the main frame of traction complete machine, and mainframe front walking wheel, mainframe rear walking wheel, secondary frame lifting directive wheel, secondary frame walking stayed pole, secondary frame walking boosting wheel, secondary frame lifting hydraulic cylinder and described hydraulic system are housed on described mainframe;
Described secondary frame is for installing the framework of each mechanism of snow removing, and each mechanism of described snow removing of installation comprises snow scraper structure, exciting agency, dials and sweep mechanism and blowing mechanism; Secondary frame front walking wheel, secondary frame rear walking wheel and lifting leading truck also are housed on described secondary frame.
Described snow scraper structure is arranged by four groups of train in-lines, and every group of train is equipped with 12 pieces of bar shaped perching knives, and described shovel basket joins by belt gear and the shovel snow motor that is contained on the described secondary frame, is provided with regulating wheel in described belt gear.
Described exciting agency involving vibrations frame, shackle shaft, compression spring, vibrating motor, substrate and vibrating tine; On described secondary frame, 1134 pieces of vibrating tines are separately fixed on the described substrate described vibrating grid by described shackle shaft and described compression spring hanging, described substrate be installed in described vibrating grid below, described vibrating motor be installed in described vibrating grid above.
Sweep mechanism for described group and comprise flat-belt pulley, be socketed in the flat belt on the described flat-belt pulley, be connected the snow slab of dialling on the described flat belt, the belt tension mechanism of the described flat belt of tensioning, the transmission mechanism that drives described flat belt rotation reaches to dial sweeps motor, support the upper rail and the lower guideway of described flat belt, and the circular guideway that is connected described upper rail and described lower guideway end.
Be respectively equipped with snow scraping plate at described group of two ends of sweeping mechanism, described snow scraping plate is connected on the described secondary frame.
Described blowing mechanism is to be connected to stack in the bracing frame lower end, is connected to air nozzle on described stack; Described stack and described air supply system join by gas circuit.
The utility model is not by automobile repacking, but carrying independently traction, the excitation type highway snow removing machinery of a 30KW generating set, its cost is significantly less than existing snow removing machinery, and consumes low, the 30KW generator per hour consumes 7.5 liters of diesel oil, 0.04 liter in machine oil.The utility model adopts human oriented design, the bare bones of the artificial snow removing of simulation, establishment with shovel snow, exciting, dial that to sweep, purge be technological process, road pavement float snow, water snow, roll real snow, snow ice, ice and snow etc. all can remove totally effectively, has realized having the innovation on the snow removing machine mechanism.Consider from cost performance, its consumption is low, the efficient height, and durability is strong, and is measurable to the prospect that popularizes rapidly.
The utility model cost is low, the efficient height, consume few, it is the snow removing machine of environmental protection, stable, safe and reliable, practical durable type, should form productivity as early as possible, penetration and promotion realizes the current highway maintenance criteria that Ministry of Communications issues, per 100 kilometers requirements that are equipped with 1-3 snow removing machine are for the transportation of economic construction and develop rapidly makes a due contribution.
The utility model is without automobile repacking, and is to use the automobile of 4 tons of tractive force to draw, and can save production cost like this, reduces cost.
It is the power of snow removing machine that the utility model adopts the 30KW generator, consumes low; Simulate artificial snow removing mode, with shovel snow, exciting, group snow removing technological process of sweeping, purging, to all effectively Ex-alls of various snow faces.Snow removing mechanism has adopted and has kept away the barrier measure, has avoided damaging because of convex-concaves such as road surface manhole, bridge expanssion joint cause component or road surface.The utility model be economical and practical, reliability and durability, efficient is high, consumption is low, environmental protection and energy saving, the rapid practical highway snow removing machine of penetration and promotion.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of snow removing machine shown in Figure 1.
Fig. 3 is that the A-A of Fig. 1 is to sectional drawing.
Fig. 4 is that the B-B of Fig. 1 is to sectional drawing.
Fig. 5 is that the C-C of Fig. 1 is to sectional drawing.
Fig. 6 is that the D-D of Fig. 1 is to sectional drawing.
Fig. 7 is the partial enlarged drawing of secondary frame boosting mechanism.
Fig. 8 is the partial enlarged drawing of secondary frame draw-off mechanism.
Fig. 9 is the structural representation of secondary frame.
Figure 10 is the structural representation of mainframe front walking wheel.
Figure 11 is the structural representation of snow scraper structure.
Figure 12 is the structural representation of secondary frame front walking wheel.
Figure 13 is the partial enlarged drawing of exciting agency.
Figure 14, Figure 15 are the structural representations that vibrating tine is kept away barrier mechanism.
Figure 16, Figure 17 dial to sweep the structural representation of mechanism.
Figure 18 dials to sweep the partial enlarged drawing of mechanism.
Figure 19 dials the structural representation that snow slab is kept away barrier mechanism.
Figure 20 is the partial enlarged drawing of blowing mechanism.
Each parts and being numbered among the figure: 1, mainframe, 2, secondary frame, 3, the snow scraper structure, 4, exciting agency, 5, dial and sweep mechanism, 6, blowing mechanism, 7, generating set, 8, air compressor, 9, gasholder, 10, sub-cylinder, 11, the lifting leading truck, 12, hydraulic system, 13, the mainframe front walking wheel, 14, the mainframe rear walking wheel, 15, secondary frame walking stayed pole, 16, secondary frame front walking wheel, 17, secondary frame rear walking wheel, 18, vibrating motor, 19, vibrating grid, 20, shackle shaft, 21, the compression spring, 22, snow scraping plate, 23, secondary frame lifting hydraulic cylinder, 24, secondary frame lifting directive wheel, 25, secondary frame walking boosting wheel, 26, shovel snow motor, 27, dial the snow motor, 28, flat-belt pulley, 29, upper rail, 30, flat belt, 31, the gas grid, 32, junction plate, 33, vibrating tine, 33a, fixation fork, 33b, movable fork, 34, axis of rotation, 35, extension spring, 36, dial snow slab, 36a, fixing snow slab, the 36b of dialling, the movable snow slab of dialling, 38, spring shaft, 39, dial the snow slab extension spring, 40, hinge, 41, pulley yoke, 42, Guide rollers mechanism, 43, the bar shaped perching knife, 45, regulating wheel, 46, substrate, 49, lower guideway, 50, strainer, 51, circular guideway, 52, projection, 53, bracing frame, 54, stack, 55, air nozzle, 56, pylon, 57, hydraulic cylinder.
The specific embodiment
As shown in Figure 1 and Figure 2, this traction, excitation type highway snow removing machine are made up of mainframe 1, secondary frame 2, generating set 7 and electrical distribution system thereof, air compressor 8 and air supply system thereof, hydraulic system 12 and control system.
Among Fig. 1, air supply systems such as air compressor 8, gasholder 9, sub-cylinder 10 are housed at the rear portion of mainframe 1.Generating set 7 also is equipped with at rear portion at mainframe 1, and disposes electrical distribution system and control system.
As Fig. 1 and shown in Figure 9, secondary frame 2 also is a frame construction, and secondary frame front walking wheel 16 and secondary frame rear walking wheel 17 are housed on secondary frame 2.Secondary frame 2 is hung on mainframe 1 (Fig. 1) by pylon 56 (Fig. 9), and the secondary frame lifting hydraulic cylinder of installing on mainframe 1 23 is used to promote secondary frame 2, and the hydraulic system 12 that is contained on the mainframe 1 is joined with secondary frame lifting hydraulic cylinder 23.When secondary frame 2 is put down, the operation that removes the snow of each mechanism of the snow removing on it; After secondary frame 2 was raised, snow removing machine was walked fast.
As Fig. 7, shown in Figure 8, on mainframe 1, be provided with the secondary frame draw-off mechanism of the secondary frame of tractive and the secondary frame boosting mechanism of the secondary frame of boosting.Mainframe 1 passes through the dress secondary frame 2 of secondary frame walking stayed pole 15 pullings thereon, and takes turns the promotion of 25 pairs of lifting leading trucks 11 by the secondary frame walking boosting that is loaded on the mainframe, and plays motor-assisted effect.
Secondary frame front walking wheel 16 is held in both hands shape universal wheel (Figure 12) for awl, and secondary frame rear walking wheel 17 can be with the little wheel hub wheel that shakes of exciting for band compression spring.The forward and backward road wheel of secondary frame also plays high surely effect to each mechanism that removes the snow except that making secondary frame 2 walkings.
Among Fig. 1, on secondary frame 2, be separately installed with snow scraper structure 3, exciting agency 4, dial and sweep mechanism 5 and blowing mechanism 6.
As Fig. 3 and shown in Figure 11, snow scraper structure 3 is to be arranged by four groups of train in-lines, and every group of train is equipped with 12 pieces of bar shaped perching knives 43, and the shovel basket is contained on the secondary frame 2, and join by belt gear and the shovel snow motor 26 that is contained on the secondary frame 2, in belt gear, be provided with regulating wheel 45.
As Fig. 4 and shown in Figure 13, parts such as exciting agency 4 involving vibrations framves 19, shackle shaft 20, compression spring 21, vibrating motor 18, substrate 46 and vibrating tine 33, vibrating grid 19 is hung on secondary frame 2 by shackle shaft 20 and compression spring 21,1134 pieces of vibrating tines 33 are separately fixed on the substrate 46, substrate 46 be installed in vibrating grid 19 below, vibrating motor 18 be installed in vibrating grid 19 above.
On each vibrating tine 33 of exciting agency 4, all be provided with and keep away barrier mechanism.As Figure 14 and shown in Figure 15, each vibrating tine 33 is divided into fixation fork 33a and movable fork 33b two parts, and the two links together by junction plate 32 and axis of rotation 34, and is provided with extension spring 35 on the edge, front side.When meeting barrier, movable fork 33b is along axis of rotation 34 displacements; After keeping away barrier, return under the effect of extension spring 35.During operation, road pavement well lid, bridge expanssion joint contour point take to keep away the barrier measure, avoid the damage of vibrating tine.
As Fig. 5, Figure 16 and shown in Figure 17, dialling and sweeping mechanism 5 is socket flat belts 30 on some flat-belt pulleies that set in a row 28, is respectively arranged with along the inner surface of flat belt 30 and supports upper rail 29, the lower guideway 49 that flat belt uses and be connected upper rail and the circular guideway of lower guideway end 51 (Figure 18).External surface at flat belt 30 is fixed with a circle group snow slab 36, and the belt tension mechanism 50 that is located on the right-hand member flat-belt pulley wheel shaft is used for the tensioning flat belt.Flat-belt pulley 28 reaches to dial by transmission mechanism sweeps the driven by motor rotation, flat belt 30 is driven dial snow slabs 48 rotations, in advancing broken snow is dialled successively to the right (or road tooth).
Among Figure 16, be respectively equipped with snow scraping plate 22 dialling the two ends sweep mechanism 5, snow scraping plate 22 is connected on the secondary frame 2, to dial snow slab owe dial part and strike off.
Dial also all to be provided with on the snow slab 36 and keep away barrier mechanism dialling each that sweep mechanism 5.As shown in figure 19, each is dialled snow slab 36 and is divided into the fixing snow slab 36a of dialling and the movable snow slab 36b two parts of dialling, and the two connects by hinge 40, and sets up and dial snow slab extension spring 39.When meeting barrier, movable group snow slab 36b is the center displacement with the hinge axis, realizes keeping away barrier; After keeping away barrier, under the effect of dialling snow slab extension spring 39, rebound.
As Fig. 6 and shown in Figure 20, blowing mechanism 6 is to be connected to stack 54 in the lower end of bracing frame 53, the secondary frame 2 of the last termination of bracing frame 53; Be distributed with one group of air nozzle 55 on stack 54, sub-cylinder in stack 54 and the air supply system 10 joins by gas circuit.All make with gasholder and sub-cylinder that blowing mechanism joins, and corresponding safety valve and pressure meter are installed by the 1.5Mpa pressure design.4 meters of exhaust pipe ranges, uniform 16 pieces of air nozzles and three air inlet ports, air nozzle 55 is 22 ° (Figure 20) with the road surface angle.The air-flow of each air nozzle 55 ejection on the stack 54 is a covering of the fan, forms one 4 meters long gas grid 31, is blown in the Rong Xue chamber of dialling snow slab dialling the residue that is retained in the road surface when avenging, and makes the thorough Ex-all in road surface.
The operating principle of this traction, excitation type highway snow removing machine is as follows:
One, walking.
Two, snow removing.
The snow removing work of this machine is by shoveling snow, exciting, dialling and sweep, purge successively and finish.Snow scraper structure and dial and to sweep mechanism and each have independently transmission mechanism.
2.1 shovel snow.
Shovel snow is that road pavement has been rolled to such an extent that real snow, snow ice or the ice and snow more than the rugged 30mm is evened out.During operation, the shovel basket in the snow scraper structure 3 clockwise rotates, and the hard snow cave shovel more than the 30mm of road surface is broken.In whole snow removing process, the work of shovel snow is the most important, and the Ex-all rate is played key effect.
Perching knife on the shovel basket is apart from road surface 30mm, its objective is that protruding place such as well lid on the road pavement, bridge expanssion joint implements to keep away barrier, and the awl that easily makes secondary frame front walking wheel is held in both hands and be inserted to the road surface under the effect of frame gravity and vibration, make secondary frame 2 and road surface keep balance, the resistance of vibrating tine 33 in advancing of exciting agency 4 reduced and keep in balance.
2.2 exciting.
Exciting is the operating type of the artificial shovel snow of simulation.The vibrating motors 18 that are installed in above the vibrating grid 19 are given vibrating tine 33 on the substrate 46 with exciting force by shackle shaft 20 and 21 conduction of compression spring, and it is broken that the road surface thick hard snow of the shovel snow remaining 30mm in back is shaken, make with the road surface dial from.The exciting force of vibrating motor 18 can be adjusted according to the snow surface hardness, in case shatter the road surface.
Sweep 2.3 dial.
Dial sweep be shovel is broken, the broken snow that shakes is dialled right side or the roadside of sweeping to this snow removing machine, is the artificial snow pushing operation of simulation.Article two, wide 100mm, the flat belt 30 of thick 8mm is installed in respectively on the flat-belt pulley 28 at Pulley shaft two ends, and by strainer 50 tensionings.30 snow slabs 36 of dialling that pulley yoke is housed equidistantly are fixed on the flat belt 30, sweep under the transmission of motor and drive sprocket dialling, flat belt 30 drives dials snow slab 36 under the effect of pulley yoke, along the clockwise shuttling movement of guide rail, in advancing the broken snow on road surface is dialled successively to the right or roadside.
Dial the stressed parsing of snow slab: be Rong Xuequ between two groups of snow slabs, when snow removing, dial snow slab and produce the power opposite, act on respectively on fixing snow slab 36a of dialling and the movable snow slab 36b of dialling with the direction of motion.Dial for strengthening the snow slab rigidity, be installed in the support that snow slab extension spring 39 has increased power of dialling on Guide rollers frame on the fixing snow slab 36a of dialling and the movable snow slab 36b of dialling.
For group snow slab is shed totally endways, projection 52 (Figure 18) is housed on the circular guideway endways, make the pulley momentary fluctuation of dialling on the snow slab pulley yoke 41, drive and dial snow slab 36 vibrations, impel broken snow disengaging to dial snow slab.
2.4 purge.
Purging is sweep the residue that is retained on the road surface and be blown into and dial in the snow slab Rong Xue chamber dialling, and makes the thorough Ex-all of road surface accumulated snow.Air compressor 8 is pressed into the compressed air that pressure is 1Mpa in gasholder 9, Compressed Gas enters stack 54 by sub-cylinder 10 and gas circuit, and by the 55 ejection covering of the fan air-flows of the air nozzle on the stack, form one 4 meters long gas grid 31, be blown in the Rong Xue chamber of dialling snow slab dialling the residue that is retained in the road surface when avenging, finish snow removing.
Claims (6)
1. a traction, excitation type highway snow removing machine is characterized in that this machine is made up of mainframe (1), secondary frame (2), generating set (7) and electrical distribution system thereof, air compressor (8) and air supply system thereof, hydraulic system (12) and control system;
Described mainframe (1) is the main frame of traction complete machine, and mainframe front walking wheel (13), mainframe rear walking wheel (14), secondary frame lifting directive wheel (24), secondary frame walking stayed pole (15), secondary frame walking boosting wheel (25), secondary frame lifting hydraulic cylinder (23) and described hydraulic system (12) are housed on described mainframe (1);
Described secondary frame (2) is for installing the framework of each mechanism of snow removing, and each mechanism of described snow removing of installation comprises snow scraper structure (3), exciting agency (4), dials and sweep mechanism (5) and blowing mechanism (6); Secondary frame front walking wheel (16), secondary frame rear walking wheel (17) and lifting leading truck (11) also are housed on described secondary frame (2).
2. traction according to claim 1, excitation type highway snow removing machine, it is characterized in that, described snow scraper structure (3) is to be arranged by four groups of train in-lines, every group of train is equipped with 12 pieces of bar shaped perching knives (43), described shovel basket joins by belt gear and the shovel snow motor (26) that is contained on the described secondary frame (2), is provided with regulating wheel (45) in described belt gear.
3. traction according to claim 1, excitation type highway snow removing machine is characterized in that, described exciting agency (4) involving vibrations frame (19), shackle shaft (20), compression spring (21), vibrating motor (18), substrate (46) and vibrating tine (33); Described vibrating grid (19) is hung on described secondary frame (2) by described shackle shaft (20) and described compression spring (21), 1134 pieces of vibrating tines (33) are separately fixed on the described substrate (46), described substrate (46) be installed in described vibrating grid (19) below, described vibrating motor (18) be installed in described vibrating grid (19) above.
4. traction according to claim 1, excitation type highway snow removing machine, it is characterized in that, sweep mechanism (5) for described group and comprise flat-belt pulley (28), be socketed in the flat belt (30) on the described flat-belt pulley, be fixedly connected on group snow slab (36) on the described flat belt, the belt tension mechanism (50) of the described flat belt of tensioning, the transmission mechanism that drives described flat belt rotation reaches to dial sweeps motor, support the upper rail (29) and the lower guideway (49) of described flat belt, and the circular guideway (51) that is connected described upper rail and described lower guideway end.
5. traction according to claim 4, excitation type highway snow removing machine is characterized in that, are respectively equipped with snow scraping plate (22) at described group of two ends of sweeping mechanism (5), and described snow scraping plate (22) is connected on the described secondary frame (2).
6. traction according to claim 1, excitation type highway snow removing machine is characterized in that, described blowing mechanism (6) is to be connected to stack (54) in bracing frame (53) lower end, is connected to air nozzle (55) on described stack (54); Described stack (54) joins by gas circuit with described air supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202083275U CN202039318U (en) | 2010-05-31 | 2010-05-31 | Hauling and shock excitation type highway snow remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202083275U CN202039318U (en) | 2010-05-31 | 2010-05-31 | Hauling and shock excitation type highway snow remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039318U true CN202039318U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202083275U Expired - Fee Related CN202039318U (en) | 2010-05-31 | 2010-05-31 | Hauling and shock excitation type highway snow remover |
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| Country | Link |
|---|---|
| CN (1) | CN202039318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794879A (en) * | 2017-11-07 | 2018-03-13 | 东北大学 | A kind of icebreaking device |
| CN110984057A (en) * | 2020-01-09 | 2020-04-10 | 马元浩 | Method for cleaning accumulated ice on road surface |
| CN111005340A (en) * | 2020-01-09 | 2020-04-14 | 马元浩 | Accumulated ice cleaning device |
-
2010
- 2010-05-31 CN CN2010202083275U patent/CN202039318U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794879A (en) * | 2017-11-07 | 2018-03-13 | 东北大学 | A kind of icebreaking device |
| CN110984057A (en) * | 2020-01-09 | 2020-04-10 | 马元浩 | Method for cleaning accumulated ice on road surface |
| CN111005340A (en) * | 2020-01-09 | 2020-04-14 | 马元浩 | Accumulated ice cleaning device |
| CN111005340B (en) * | 2020-01-09 | 2021-11-12 | 江苏锡拖农机有限公司 | Accumulated ice cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140531 |