CN112081057A - Snow and ice removing device for train track - Google Patents
Snow and ice removing device for train track Download PDFInfo
- Publication number
- CN112081057A CN112081057A CN202011060888.XA CN202011060888A CN112081057A CN 112081057 A CN112081057 A CN 112081057A CN 202011060888 A CN202011060888 A CN 202011060888A CN 112081057 A CN112081057 A CN 112081057A
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- Prior art keywords
- wall
- fixedly connected
- snow
- removing device
- mounting
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- 244000309464 bull Species 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007689 inspection Methods 0.000 abstract description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/02—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast
- E01H8/06—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast essentially by driven tools clearing instruments, e.g. rotary cutting tools or brushes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
- E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a snow and ice removing device for a train track, which aims at the problems of long time consumption and little effect caused by manual segmented snow shoveling inspection. When the device moves forwards, the rotating plates on the outer wall of the vibrating wheel continuously knock on the surface of the guide rail, and the steel balls distributed among the rotating plates at equal intervals continuously knock on the outer wall of the rotating plates, so that the vibration is generated to loosen the ice and snow on the guide rail, and the deicing effect is more obvious.
Description
Technical Field
The invention relates to the technical field of railway maintenance, in particular to a snow and ice removing device for a train track.
Background
At present, railway lines and buildings generally account for about 60% of the value of fixed assets for railway transportation, and are indispensable technical equipment for railway transportation. All equipment should be kept in good condition constantly in order to ensure that the train operates safely at a prescribed speed. In use, however, various equipments are often subjected to permanent deformation, aging and breakage due to the influence of train load and natural environment, or deformation and damage due to the increase of transportation conditions (traffic volume, axle weight, speed), or successive exposure to various diseases after passing due to the defective quality of newly-built railways, and must be maintained.
The existing snow and ice removing device for the train track has the following problems: the weight of train itself is very big, and the operation of train can't be influenced to general snowfall, but also can meet with serious strong snowfall occasionally, and big snow piles up the back and covers the rail under cold air environment and freeze, and the traffic has seriously hindered, and current rail snow removing deicing relies on artifical segmentation inspection shovel snow mostly, and is consuming time longer, receives effect a little very little, and prior art is difficult for solving this type of problem, consequently, needs a train track deicing device to solve above-mentioned problem urgently.
Disclosure of Invention
Based on the technical problems that most of the existing train track snow removing and deicing devices rely on manual segmented snow shoveling inspection, the time consumption is long, and the effect is very little, the invention provides the train track snow removing and deicing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a snow and ice removing device for a train track comprises a mounting frame, wherein a mounting groove is formed in the outer wall of one side of the mounting frame, a movable ball head is movably clamped on the inner wall of the mounting groove, a mounting rod is fixedly connected to the outer wall of one side of the movable ball head, one end of the mounting rod is fixedly connected with a mounting block, arc rods are fixedly connected to the outer walls of two sides of the mounting block, a vibration wheel is arranged at one end of each arc rod, a steel wire rope is fixedly connected to the outer wall of each vibration wheel, steel balls are fixedly connected to one end of each steel wire rope, rotating plates distributed at equal intervals are fixedly connected to the outer wall of each vibration wheel, the steel balls are distributed among the rotating plates, movable shafts are fixedly connected to two sides of the outer wall of the bottom of the mounting frame, clamping mechanisms are fixedly connected to the bottom ends of the two movable, the outer wall of the opposite side of the two clamping mechanisms is connected with the same rotating rod through a bearing, the rotating rod is located on the inner wall of the connecting clamp plate, the motor is fixedly connected onto the outer wall of one side of the connecting clamp plate, one end of an output shaft of the motor is in key connection with the rotating shaft, a first bevel gear is fixedly connected onto one end, away from the motor, of the rotating shaft, a second bevel gear is arranged on the outer wall of the rotating rod, and the first bevel gear is meshed with the second bevel.
As a still further scheme of the invention: the clamping mechanism comprises a clamping frame, an ice crushing gear, a threaded rod, a knob and a movable clamping block, and the clamping frame is fixedly connected to the bottom end of the movable shaft.
As a still further scheme of the invention: fixedly connected with erection joint on one side outer wall of joint frame, it has the adjustment tank to open on one side outer wall of erection joint, and the threaded rod passes through the bearing and connects on one side inner wall of adjustment tank.
As a still further scheme of the invention: the knob fixed connection has cup jointed the thread bush in the one end of threaded rod on the outer wall of threaded rod, fixedly connected with fixed block on one side outer wall of thread bush, and activity fixture block fixed connection is on one side outer wall of fixed block.
As a still further scheme of the invention: the equal fixedly connected with slider in both sides of activity fixture block top outer wall, open one side of joint frame bottom outer wall has two spouts, and slider sliding connection is on the inner wall of spout.
As a still further scheme of the invention: the trash ice gear is fixedly connected to the outer wall of the bottom of the clamping frame, the inner wall of the clamping frame is connected with a rack through a bearing, the first gears are fixedly connected to the two ends of the rotating rod, the outer wall of each first gear is meshed with the inner wall of the corresponding rack, and the outer wall of each rack is meshed with the outer wall of the corresponding trash ice gear.
As a still further scheme of the invention: the central position fixedly connected with of installing frame top outer wall deposits the liquid bucket, deposits fixedly connected with water pump on the top outer wall of liquid bucket, and the import department of water pump is linked together with the inside of depositing the liquid bucket, and the exit fixedly connected with hose of water pump.
As a still further scheme of the invention: the outer wall of one side of the connecting clamping plate is fixedly connected with a liquid storage box, and one end, far away from the water pump, of the hose is fixedly connected to the outer wall of the top of the liquid storage box.
As a still further scheme of the invention: the outer walls of the two sides of the liquid storage box are fixedly connected with guide pipes, and one ends of the two guide pipes are fixedly connected with spraying plates.
As a still further scheme of the invention: a fixing groove is formed in one side of the outer wall of the top of the mounting frame, and a storage battery pack is arranged on the inner wall of the fixing groove.
The invention has the beneficial effects that:
1. the device is stably clamped on the outer wall of the guide rail through the threaded rod and the knob by arranging the vibration wheel, the rotating plate and the steel balls, the motor can drive the rotating rod to rotate after being started, the first gears at the two ends of the rotating rod can drive the racks in the clamping frame to rotate, so that the rotating rod can drive the ice crushing gears distributed at equal intervals at the bottom of the clamping frame to roll along the guide rail, the rotating plate on the outer wall of the vibration wheel continuously knocks on the surface of the guide rail while the device moves forwards, the steel balls distributed at equal intervals among the rotating plates continuously knock on the outer wall of the rotating plate, vibration is generated, ice and snow on the guide rail are loosened, and the ice and snow removing effect is;
2. through the arrangement of the ice crushing gear, under the knocking coordination of the vibration plate and the steel balls, ice and snow on the guide rail can be loosened to a certain degree, the knob is matched with the threaded rod for adjustment, the clamping frame is stably erected on the outer wall of the guide rail, the motor drives the rotating rod to rotate, the rotating rod drives the ice crushing gear to thoroughly crush and fall loose ice and snow blocks, and more accumulated ice and snow can be pushed down to the guide rail along with the movement of the clamping frame;
3. deposit the liquid bucket and spray the board through setting up, deposit the interior appropriate amount salt solution of packing into in advance of the liquid bucket, can play the counter weight effect on the one hand, make the ice and snow of piling up of the inseparabler contact guide rail surface of trash ice gear, when motor drive moved on the guide rail, start the water pump, the salt water pump that the water pump will deposit in the liquid bucket is taken out and is deposited in the liquid box, spout the guide rail surface after handling through pipe and spray the board at last, utilize the low freezing point nature of salt water, the effectual ice-cube that prevents after garrulous condenses again.
Drawings
FIG. 1 is a three-dimensional structure diagram of a snow and ice removing device for a train track according to the present invention;
FIG. 2 is a schematic structural view of a second bevel gear of the snow and ice removing device for a train track according to the present invention;
FIG. 3 is a schematic structural view of a movable fixture block of the snow and ice removing device for a train track according to the present invention;
FIG. 4 is a schematic structural view of an arc-shaped rod of the snow and ice removing device for the train track according to the present invention;
FIG. 5 is a schematic structural view of a vibration wheel of the snow and ice removing device for a train track according to the present invention;
fig. 6 is a schematic structural view of a spray plate of the snow and ice removing device for the train track provided by the invention.
In the figure: 1 vibration wheel, 2 storage battery packs, 3 hoses, 4 water pumps, 5 liquid storage boxes, 6 conduits, 7 mounting frames, 8 movable shafts, 9 arc-shaped rods, 10 liquid storage barrels, 11 second bevel gears, 12 rotating rods, 13 ice crushing gears, 14 clamping frames, 15 movable clamping blocks, 16 knobs, 17 threaded rods, 18 movable ball heads, 19 steel balls, 20 rotating plates, 21 motors, 22 steel wire ropes and 23 spraying plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a snow and ice removing device for a train track comprises a mounting frame 7, a mounting groove is formed on the outer wall of one side of the mounting frame 7, a movable ball head 18 is movably clamped on the inner wall of the mounting groove, a mounting rod is fixedly connected to the outer wall of one side of the movable ball head 18, one end of the mounting rod is fixedly connected with a mounting block, arc-shaped rods 9 are fixedly connected to the outer walls of the two sides of the mounting block, a vibration wheel 1 is arranged at one end of each of the two arc-shaped rods 9, a steel wire rope 22 is fixedly connected to the outer wall of each of the two vibration wheels 1, steel balls 19 are fixedly connected to the outer wall of each of the two steel wire ropes 22, rotating plates 20 are distributed at equal intervals, the steel balls 19 are distributed between the rotating plates 20, movable shafts 8 are fixedly connected to the two sides of the outer wall of the bottom of the mounting frame 7, the outer wall of the opposite side of the two clamping mechanisms is connected with the same rotating rod 12 through a bearing, the rotating rod 12 is located on the inner wall of the connecting clamp plate, the motor 21 is fixedly connected onto the outer wall of one side of the connecting clamp plate, one end of an output shaft of the motor 21 is connected with a rotating shaft in a key mode, one end, far away from the motor 21, of the rotating shaft is fixedly connected with a first bevel gear, the outer wall of the rotating rod 12 is provided with a second bevel gear 11, and the first bevel gear is meshed with.
In the invention, the clamping mechanism comprises a clamping frame 14, an ice crushing gear 13, a threaded rod 17, a knob 16 and a movable clamping block 15, and the clamping frame 14 is fixedly connected to the bottom end of the movable shaft 8.
In the invention, the outer wall of one side of the clamping frame 14 is fixedly connected with an installation joint, the outer wall of one side of the installation joint is provided with an adjusting groove, and the threaded rod 17 is connected to the inner wall of one side of the adjusting groove through a bearing.
In the invention, a knob 16 is fixedly connected to one end of a threaded rod 17, a threaded sleeve is sleeved on the outer wall of the threaded rod 17, a fixed block is fixedly connected to the outer wall of one side of the threaded sleeve, and a movable fixture block 15 is fixedly connected to the outer wall of one side of the fixed block.
In the invention, two sides of the outer wall of the top of the movable clamping block 15 are fixedly connected with sliding blocks, one side of the outer wall of the bottom of the clamping frame 14 is provided with two sliding grooves, and the sliding blocks are slidably connected on the inner walls of the sliding grooves.
According to the ice crushing device, the ice crushing gear 13 is fixedly connected to the outer wall of the bottom of the clamping frame 14, the inner wall of the clamping frame 14 is connected with the rack through the bearing, the two ends of the rotating rod 12 are fixedly connected with the first gears, the outer walls of the first gears are meshed with the inner wall of the rack, and the outer walls of the rack are meshed with the outer wall of the ice crushing gear 13.
In the invention, the central position of the outer wall of the top of the mounting rack 7 is fixedly connected with a liquid storage barrel 10, the outer wall of the top of the liquid storage barrel 10 is fixedly connected with a water pump 4, the inlet of the water pump 4 is communicated with the inside of the liquid storage barrel 10, and the outlet of the water pump 4 is fixedly connected with a hose 3.
In the invention, the outer wall of one side of the connecting clamp plate is fixedly connected with a liquid storage box 5, and one end of the hose 3, which is far away from the water pump 4, is fixedly connected with the outer wall of the top of the liquid storage box 5.
In the invention, the outer walls of two sides of the liquid storage box 5 are both fixedly connected with the guide pipes 6, and one ends of the two guide pipes 6 are both fixedly connected with the spraying plates 23.
In the invention, one side of the outer wall of the top of the mounting rack 7 is provided with a fixing groove, and the inner wall of the fixing groove is provided with the storage battery pack 2.
When the device is used, the clamping frames 14 on two sides of the bottom of the device are respectively clamped on a guide rail of a railway, the device is stably clamped on the outer wall of the guide rail through the threaded rod 17 and the knob 16, the vibration wheels 1 at two ends of the arc-shaped rod 9 on one side of the mounting frame 7 are contacted with the surface of the guide rail, the motor 21 is started, the motor 21 rotates to drive the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear 11 on the outer wall of the rotating rod 12, the rotating rod 12 can drive the rotating rod 12 to rotate after being started, the first gear at two ends of the rotating rod 12 can drive the racks in the clamping frames 14 to rotate, the outer wall of each rack is meshed with the outer wall of the ice breaking gear 13, so that the rotating rod 12 can drive the ice breaking gears 13 which are equidistantly distributed at the bottom of the clamping frame 14 to roll along the guide rail, the rotating plates 20 on the surface of the guide rail are continuously knocked by shaking wheels 1 while the rotating plates, therefore, the ice and snow on the guide rail are loosened by vibration, a proper amount of saline water is filled in the liquid storage barrel 10 in advance, the water pump 4 is started while the motor 21 driving device moves on the guide rail, the saline water in the liquid storage barrel 10 is pumped into the liquid storage box 5 by the water pump 4, and finally the saline water is sprayed to the surface of the treated guide rail through the guide pipe 6 and the spraying plate 23, and the guide rail is cleaned by utilizing the low freezing point of the saline water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A snow and ice removing device for a train track comprises a mounting frame (7) and is characterized in that a mounting groove is formed in the outer wall of one side of the mounting frame (7), a movable ball head (18) is movably clamped on the inner wall of the mounting groove, a mounting rod is fixedly connected to the outer wall of one side of the movable ball head (18), a mounting block is fixedly connected to one end of the mounting rod, arc rods (9) are fixedly connected to the outer walls of the two sides of the mounting block, a vibration wheel (1) is arranged at one end of each arc rod (9), steel wire ropes (22) are fixedly connected to the outer walls of the two vibration wheels (1), steel balls (19) are fixedly connected to one end of each steel wire rope (22), rotating plates (20) distributed at equal intervals are fixedly connected to the outer wall of each vibration wheel (1), the steel balls (19) are distributed between the rotating plates (20), and movable shafts (8) are fixedly connected to the two, two the equal fixedly connected with latch mechanism in bottom of loose axle (8), two fixedly connected with joint splint on the relative one side outer wall of latch mechanism, be connected with same bull stick (12) through the bearing on the relative one side outer wall of two latch mechanisms, bull stick (12) are located joint splint's inner wall, fixedly connected with motor (21) on one side outer wall of joint splint, the one end key-type connection of motor (21) output shaft has the pivot, and the first bevel gear of one end fixedly connected with of motor (21) is kept away from in the pivot, is equipped with second bevel gear (11) on the outer wall of bull stick (12), and first bevel gear and second bevel gear (11) mesh mutually.
2. The train track snow and ice removing device as claimed in claim 1, wherein the clamping mechanism comprises a clamping frame (14), an ice crushing gear (13), a threaded rod (17), a knob (16) and a movable clamping block (15), and the clamping frame (14) is fixedly connected to the bottom end of the movable shaft (8).
3. The snow and ice removing device for the train track as claimed in claim 2, wherein a mounting joint is fixedly connected to an outer wall of one side of the clamping frame (14), an adjusting groove is formed in an outer wall of one side of the mounting joint, and the threaded rod (17) is connected to an inner wall of one side of the adjusting groove through a bearing.
4. The snow and ice removing device for the train track as claimed in claim 2, wherein the knob (16) is fixedly connected to one end of a threaded rod (17), a threaded sleeve is sleeved on the outer wall of the threaded rod (17), a fixed block is fixedly connected to the outer wall of one side of the threaded sleeve, and the movable clamping block (15) is fixedly connected to the outer wall of one side of the fixed block.
5. The snow and ice removing device for the train track as claimed in claim 3, wherein the two sides of the top outer wall of the movable clamping block (15) are fixedly connected with sliding blocks, one side of the bottom outer wall of the clamping frame (14) is provided with two sliding grooves, and the sliding blocks are slidably connected to the inner walls of the sliding grooves.
6. The snow and ice removing device for the train track as claimed in claim 2, wherein the ice crushing gear (13) is fixedly connected to the outer wall of the bottom of the clamping frame (14), the inner wall of the clamping frame (14) is connected with a rack through a bearing, both ends of the rotating rod (12) are fixedly connected with first gears, the outer wall of each first gear is meshed with the inner wall of the corresponding rack, and the outer wall of each rack is meshed with the outer wall of the ice crushing gear (13).
7. The snow and ice removing device for the train track as claimed in claim 1, wherein the liquid storage barrel (10) is fixedly connected to the central position of the outer wall of the top of the mounting rack (7), the water pump (4) is fixedly connected to the outer wall of the top of the liquid storage barrel (10), the inlet of the water pump (4) is communicated with the inside of the liquid storage barrel (10), and the outlet of the water pump (4) is fixedly connected with the hose (3).
8. The snow and ice removing device for the train track as claimed in claim 1, wherein the outer wall of one side of the connecting splint is fixedly connected with the liquid storage box (5), and one end of the hose (3) far away from the water pump (4) is fixedly connected with the outer wall of the top of the liquid storage box (5).
9. The snow and ice removing device for the train track as claimed in claim 8, wherein the outer walls of the two sides of the liquid storage box (5) are fixedly connected with the guide pipes (6), and one ends of the two guide pipes (6) are fixedly connected with the spray plate (23).
10. The snow and ice removing device for the train track as claimed in claim 1, wherein a fixing groove is formed on one side of the outer wall of the top of the mounting rack (7), and the inner wall of the fixing groove is provided with the storage battery pack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060888.XA CN112081057B (en) | 2020-09-30 | 2020-09-30 | Snow and ice removing device for train track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060888.XA CN112081057B (en) | 2020-09-30 | 2020-09-30 | Snow and ice removing device for train track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112081057A true CN112081057A (en) | 2020-12-15 |
| CN112081057B CN112081057B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011060888.XA Active CN112081057B (en) | 2020-09-30 | 2020-09-30 | Snow and ice removing device for train track |
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| Country | Link |
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| CN (1) | CN112081057B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032712A (en) * | 2021-12-02 | 2022-02-11 | 南京铁道职业技术学院 | Anti-freezing type track structure and track structure construction method thereof |
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| CN110735415A (en) * | 2019-11-04 | 2020-01-31 | 王秋平 | high-speed railway track deicing equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032712A (en) * | 2021-12-02 | 2022-02-11 | 南京铁道职业技术学院 | Anti-freezing type track structure and track structure construction method thereof |
| CN114032712B (en) * | 2021-12-02 | 2023-05-23 | 南京铁道职业技术学院 | Anti-freezing type track structure and track structure construction method thereof |
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| CN112081057B (en) | 2022-09-06 |
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Effective date of registration: 20240410 Address after: 150000 No. 28, Digong street, Daoli District, Harbin, Heilongjiang Patentee after: HARBIN HATIE EQUIPMENT MANUFACTURING Co.,Ltd. Country or region after: China Address before: School of architecture and design, Nanhu campus, China University of mining and technology, No. 1, Daxue Road, Xuzhou City, Jiangsu Province, 221116 Patentee before: Jiang Xin Country or region before: China |