CN112267412A - A construction car that is used for snow removing dust fall around railway tunnel - Google Patents
A construction car that is used for snow removing dust fall around railway tunnel Download PDFInfo
- Publication number
- CN112267412A CN112267412A CN202011217073.8A CN202011217073A CN112267412A CN 112267412 A CN112267412 A CN 112267412A CN 202011217073 A CN202011217073 A CN 202011217073A CN 112267412 A CN112267412 A CN 112267412A
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- gear
- cavity
- bevel gear
- main shaft
- fixedly arranged
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000007664 blowing Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 210000003437 trachea Anatomy 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- 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
- E01H8/08—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 by application of heat, e.g. by means of heated clearing instruments, melting in situ; Clearing devices which melt the dislodged snow; Clearing exclusively by means of rays or streams or gas or stream, or by suction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to the field of railway construction equipment, in particular to a construction vehicle for removing snow and reducing dust around a railway tunnel, which comprises a vehicle body and a first transmission cavity positioned in the vehicle body, wherein a transmission device which is transmitted by the rotation of a worm is arranged in the first transmission cavity, the transmission device is started and can drive wheel axles which are symmetrical left and right at the end wall at the lower side of the vehicle body to intermittently rotate, and four symmetrical wheels are fixedly arranged at the front and rear extending tail ends of the wheel axles. And the snow on the road surface is pushed away by the push plates moving in opposite directions in the passing process, so that the snow removing speed is increased.
Description
Technical Field
The invention relates to the field of railway construction equipment, in particular to a construction vehicle for removing snow and reducing dust around a railway tunnel.
Background
When snowing, the railway stops running and begins to clear snow, and when the snow is too much, the traditional snow-clearing train is rough in clearing, so that the snow is cleared to other tracks, the snow between the sleepers cannot be cleared, the snow is cleared to other places to form the snow, in the prior railway snow removal, snow removal is mostly carried out manually, but the collected snow is not well processed when the efficiency of the manual snow removal is low, the existing snow removing equipment can only remove snow and can not treat ice on frozen rails, which brings great potential safety hazard, most of the existing snow removing equipment collects the collected snow into water, manual drainage is needed after snow removal is carried out for a period of time, which is very inconvenient, the passageway at the place with poor air quality such as the tunnel has more strict requirements on snow accumulation and temperature difference on the rail, therefore, it is necessary to design a construction vehicle for removing snow and reducing dust around a railway tunnel to improve the above problems.
Disclosure of Invention
The invention aims to provide a construction vehicle for removing snow and reducing dust around a railway tunnel, which can overcome the defects in the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a construction vehicle for removing snow and reducing dust around a railway tunnel, which comprises a vehicle body and a first transmission cavity positioned in the vehicle body, wherein a transmission device for transmitting through the rotation of a worm is arranged in the first transmission cavity, the transmission device can drive wheel shafts which are bilaterally symmetrical at the lower side end wall of the vehicle body to intermittently rotate when being started, four symmetrical wheels are fixedly arranged at the front and rear extending tail ends of the wheel shafts, a moving groove with a right opening and symmetrical front and rear is arranged in the right side end wall of the vehicle body, a snow pushing device which is fixedly arranged at the right end of a moving block and driven by the moving block to move in a reciprocating way in opposite directions to push away the front accumulated snow is arranged in the moving groove, a transportation cavity is arranged in the upper side end wall of the vehicle body, and a transportation device which transmits cold air to a heating cavity through a first air pipe is arranged in the, transport the intracavity right side end wall be equipped with cold air through the second trachea suction extremely transport the exhaust turbine of intracavity, the intracavity is equipped with through setting firmly the radiant heater of roof and transport it to through third trachea interval after heating up cold air the heating device of the intracavity of blowing in the automobile body downside end wall, through the rotatable fan cooperation of blowing in the intracavity after heating unfreezes the road surface that the construction car passed through and heats.
Furthermore, the snow pushing device comprises a rotating cavity with a downward opening in the end wall of the upper side of the moving groove, a roller is rotatably arranged in the rotating cavity, grooves which are symmetrical and have outward openings are fixedly formed in the outer surface of the roller, a round pin positioned in the groove is fixedly arranged at the upper end of the moving block, the roller main shaft extends into the second transmission cavity in opposite directions and is fixedly arranged on the first gear, a second gear meshed with the first gear and a third gear meshed with the second gear and positioned on the upper side of the second gear are rotatably arranged in the second transmission cavity, a first bevel gear is fixedly arranged at the tail end of the worm, and a second bevel gear meshed with the first bevel gear is fixedly arranged at the tail end of the second gear main shaft which extends backwards.
Furthermore, the transmission device comprises a first worm wheel meshed with the worm, a main shaft of the first worm wheel extends downwards into a gear cavity with a downward opening, a sector bevel gear is fixedly arranged at the tail end of the main shaft, and a transmission bevel gear meshed with the sector bevel gear is fixedly arranged on the outer surface of the wheel shaft, so that the intermittent movement of the vehicle body can be controlled conveniently.
Furthermore, the third gear main shaft extends backwards into a third transmission cavity, a third bevel gear is fixedly arranged at the tail end of the third gear main shaft, a fourth bevel gear meshed with the third bevel gear is rotatably arranged in the third transmission cavity, a first belt wheel is fixedly arranged on the outer surface of the right extending part of the fourth bevel gear main shaft, the thread shaft extends rightwards into the fourth transmission cavity, a fourth gear is fixedly arranged on the outer surface of the fourth bevel gear main shaft, a second belt wheel is fixedly arranged at the tail end of the fourth bevel gear main shaft, the first belt wheel and the second belt wheel are in transmission connection through a transmission belt, the air exhaust turbine main shaft extends into the fourth transmission cavity, a fifth gear meshed with the fourth gear is fixedly arranged on the outer surface of the fourth bevel gear main shaft, and the transportation device comprises dust suction plates fixedly arranged in the upper end wall and the lower end wall.
Further, the radiation heater is connected with a motor through an electric wire, a moving cavity with a right opening is arranged in the end wall of the left side of the third air pipe, a rack which is used for blocking cold air from flowing downwards is arranged in the moving cavity in a left-right moving mode, a spring is elastically connected between the rack and the end wall of the left side of the moving cavity, a cavity with an upward opening is arranged in the end wall of the lower side of the moving cavity, a second worm wheel is meshed with the rear side of the worm, a second worm wheel main shaft extends into the cavity, a fifth bevel gear is fixedly arranged at the tail end of the second worm wheel main shaft, an incomplete gear meshed with the rack is rotatably arranged in the cavity, a sixth bevel gear meshed with the fifth bevel gear is fixedly arranged at the tail end of the incomplete gear main shaft which extends forwards, the blowing fan main shaft extends upwards into the first transmission cavity, and a third, the rotation of the blowing fan is convenient to control.
The invention has the beneficial effects that: the invention provides a construction vehicle for removing snow and reducing dust around a railway tunnel, which pumps cold air into a device through an air exhaust turbine, heats the air and water vapor contained in the air by using a radiation heater after adsorbing impurities in the air through a dust absorption plate, heats a track and a road surface passing along the way by blowing out from a blowing fan at the bottom of the construction vehicle, pushes away the accumulated snow on the road surface by using push plates moving in opposite directions in the passing process, and accelerates the speed of removing snow.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic overall structure diagram of a snow removing and dust settling construction vehicle for surrounding railway tunnels.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is a schematic diagram of the structure C-C in fig. 2.
Fig. 5 is a schematic view of the heating apparatus of fig. 1.
FIG. 6 is a schematic view of the configuration of the extraction turbine of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-6, the construction vehicle for removing snow and reducing dust around a railway tunnel includes a vehicle body 10 and a first transmission cavity 50 located in the vehicle body 10, a transmission device 201 for transmitting through rotation of a worm 70 is disposed in the first transmission cavity 50, the transmission device 201 is started and drives a wheel axle 57 at a lower side end wall of the vehicle body 10 in bilateral symmetry to intermittently rotate, four symmetrical wheels 58 are fixedly disposed at front and rear extending ends of the wheel axle 57, a moving groove 34 with a rightward opening and a forward and backward symmetry is disposed in a right side end wall of the vehicle body 10, a snow pushing device 202 for pushing away snow ahead by driving a push plate 15 fixedly disposed at a right end of a moving block 33 to reciprocally move in opposite directions through movement of the moving block 33 is disposed in the moving groove 34, a transportation cavity 75 is disposed in an upper side end wall of the vehicle body 10, and cold air is transferred through transportation threads fixedly disposed on an outer surface of a rotatable threaded shaft 17 and disposed in the An trachea 35 to the conveyer 203 in the heating chamber 36, be equipped with in the end wall of transportation chamber 75 right side through second trachea 12 suction with cold air extremely air exhaust turbine 11 in the transportation chamber 75, be equipped with in the heating chamber 36 through set firmly in the radiant heater 40 of roof heat up the back with it through third trachea 37 intermittent type transport extremely with cold air heating device 204 in the air blowing chamber 56 in the automobile body 10 downside end wall, through rotatable fan 55 of blowing in the air blowing chamber 56 cooperation after heating the road surface that the construction car passed through unfreezes and heats.
Advantageously, the snow pushing device 202 comprises a rotating chamber 31 with a downward opening in the upper end wall of the moving groove 34, a roller 30 is rotatably arranged in the rotating chamber 31, symmetrical grooves 58 with outward openings are fixedly arranged on the outer surface of the roller 30, a round pin 32 positioned in the groove 58 is fixedly arranged at the upper end of the moving block 33, the main shafts of the roller 30 extend into a second transmission chamber 26 in opposite directions, the roller is fixedly arranged on a first gear 29, a second gear 28 meshed with the first gear 29 and a third gear 27 meshed with the second gear 28 and positioned on the upper side of the second gear 28 are rotatably arranged in the second transmission chamber 26, a first bevel gear 48 is fixedly arranged at the tail end of the worm 70, and a second bevel gear 47 meshed with the first bevel gear 48 is fixedly arranged at the tail end of the main shaft of the second gear 28 extending backwards.
Advantageously, the transmission 201 comprises a first worm wheel 54 engaged with the worm 70, the main shaft of the first worm wheel 54 extends downwards into a gear cavity 60 with a downward opening, a sector bevel gear 61 is fixedly arranged at the tail end, and a transmission bevel gear 59 engaged with the sector bevel gear 61 is fixedly arranged on the outer surface of the wheel shaft 57, so that the intermittent movement of the vehicle body 10 can be controlled.
Advantageously, the main shaft of the third gear 27 extends backwards into a third transmission cavity 22, the end of the main shaft is fixedly provided with a third bevel gear 25, a fourth bevel gear 24 engaged with the third bevel gear 25 is rotatably arranged in the third transmission cavity 22, the main shaft of the fourth bevel gear 24 extends rightwards, the outer surface of the main shaft is fixedly provided with a first belt pulley 23, the threaded shaft 17 extends rightwards into a fourth transmission cavity 13, the outer surface of the threaded shaft is fixedly provided with a fourth gear 16, the end of the main shaft is fixedly provided with a second belt pulley 20, the first belt pulley 23 is in transmission connection with the second belt pulley 20 through a transmission belt 21, the main shaft of the air exhaust turbine 11 extends into the fourth transmission cavity 13, the outer surface of the air exhaust turbine is fixedly provided with a fifth gear 14 engaged with the fourth gear 16, and the transportation device 203 comprises a dust suction plate 18 fixedly arranged in the upper and lower end walls of the transportation cavity 18 and used for.
Advantageously, the radiant heater 40 is connected with a motor 66 through an electric wire 57, a moving chamber 38 with a right opening is arranged in the left end wall of the third air pipe 37, a rack 42 for blocking cold air from flowing downwards is arranged in the moving chamber 38 in a left-right movable manner, a spring 39 is elastically connected between the rack 42 and the left end wall of the moving chamber 38, a cavity 43 with an upward opening is arranged in the lower end wall of the moving chamber 38, a second worm wheel 53 is engaged with the rear side of the worm 70, the main shaft of the second worm wheel 53 extends into the cavity 43, the tail end of the second worm wheel 53 is fixedly provided with a fifth bevel gear 46, an incomplete gear 44 engaged with the rack 42 is rotatably arranged in the cavity 43, the main shaft of the incomplete gear 44 extends forwards, the tail end of the incomplete gear 45 engaged with the fifth bevel gear 46 is fixedly provided with a sixth bevel gear 45, and the main shaft of the blowing fan, the third worm wheel 52 meshed with the worm 70 is fixedly arranged at the tail end, so that the rotation of the air blowing fan 55 is controlled.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device:
when the device of the invention is in operation, a construction vehicle is placed on a frozen snow road surface in front of a tunnel, the motor 66 is started to drive the worm 70 to rotate, so as to drive the first worm gear 54 to rotate, so as to drive the sector bevel gear 61 to rotate, so as to drive the transmission bevel gear 59 to rotate, so as to drive the wheels 58 to rotate, the construction vehicle starts to advance, the first bevel gear 48 rotates to drive the second bevel gear 47 to rotate, so as to drive the second gear 28 to rotate, so as to drive the first gear 29 to rotate, so as to drive the roller 30 to rotate, so as to drive the moving block 33 to move in opposite directions, so as to drive the push plates 15 to move in opposite directions to push away the front snow, the second gear 28 rotates to drive the third bevel gear 27 to rotate, so as to drive the third bevel gear 25 to rotate, so as to drive the fourth bevel gear 24 to rotate, so as to drive, thereby driving the second pulley 20 to rotate, thereby driving the fourth gear 16 to rotate, thereby driving the fifth gear 14 to rotate, thereby driving the exhaust turbine 11 to rotate to transfer cold air into the transportation chamber 75 through the second air pipe 12, the fourth gear 16 to rotate driving the transportation shaft 17 to rotate, the cold air moves to the left in the transportation chamber 75 to be purified by the impurities adsorbed at the dust suction plate 18 and then flows into the heating chamber 36 through the first air pipe 35, the motor 66 energizes the radiation heater 40 through the electric wire 57 to heat the cold air in the heating chamber 36 to become hot air, the worm 70 rotates to drive the second worm wheel 53 and the third worm wheel 52 to rotate, thereby driving the fifth bevel gear 46 to rotate, thereby driving the incomplete gear 44 to rotate to intermittently move the rack 42 to the left to release the third air pipe 37 to allow the cold air to remain in the blowing chamber 56, the road surface passed by the construction vehicle is heated and unfrozen through the rotation of the blowing fan 55, the temperature of the section of the iron rail is gradually increased after the operation is repeated for many times, and the frozen surface starts to be unfrozen.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a construction car that is used for snow removing dust fall around railway tunnel, includes the automobile body and is located first transmission chamber in the automobile body, its characterized in that: the snow-removing vehicle is characterized in that a transmission device which is driven by the rotation of a worm is arranged in the first transmission cavity, the transmission device can drive wheel shafts which are symmetrical left and right at the end wall of the lower side of the vehicle body to rotate intermittently when being started, four symmetrical wheels are fixedly arranged at the front and rear extending tail ends of the wheel shafts, a moving groove which is provided with a right opening and is symmetrical front and rear is arranged in the end wall of the right side of the vehicle body, a snow pushing device which is fixedly arranged at the right end of the moving block and driven by the moving block to move in a reciprocating manner in opposite directions to push away snow in front is arranged in the moving groove, a transportation cavity is arranged in the end wall of the upper side of the vehicle body, a transportation device which transmits cold air to a heating cavity through a first air pipe by transportation threads fixedly arranged on the outer surface of a rotatable threaded shaft is, the heating intracavity is equipped with through set firmly in the radiant heater of roof heat up the back with it through third trachea intermittent transportation extremely it the heating device of the intracavity of blowing in the automobile body downside end wall, through the rotatable fan of blowing in the intracavity cooperation of blowing after heating unfreezes the road surface that the construction car passed through and heats.
2. The construction vehicle for removing snow and reducing dust around the railway tunnel as claimed in claim 1, wherein: the snow pushing device comprises a rotating cavity with a downward opening in the end wall of the upper side of the moving groove, a roller is rotatably arranged in the rotating cavity, grooves which are symmetrical and have outward openings are fixedly formed in the outer surface of the roller, round pins located in the grooves are fixedly arranged at the upper end of the moving block, a roller main shaft extends into a second transmission cavity in opposite directions and is fixedly arranged in a first gear, a second gear meshed with the first gear and a third gear meshed with the second gear and located on the upper side of the second gear are rotatably arranged in the second transmission cavity, a first bevel gear is fixedly arranged at the tail end of the worm, and a second bevel gear meshed with the first bevel gear is fixedly arranged at the tail end of the second gear main shaft which extends backwards.
3. The construction vehicle for removing snow and reducing dust around the railway tunnel as claimed in claim 1, wherein: the transmission device comprises a first worm wheel meshed with the worm, a main shaft of the first worm wheel extends downwards into a gear cavity with a downward opening, a sector bevel gear is fixedly arranged at the tail end of the main shaft, and a transmission bevel gear meshed with the sector bevel gear is fixedly arranged on the outer surface of the wheel shaft, so that the intermittent movement of the vehicle body can be controlled conveniently.
4. The construction vehicle for removing snow and reducing dust around the railway tunnel as claimed in claim 1, wherein: the third gear main shaft extends backwards into a third transmission cavity, the tail end of the third gear main shaft is fixedly provided with a third bevel gear, a fourth bevel gear meshed with the third bevel gear is rotatably arranged in the third transmission cavity, a first belt wheel is fixedly arranged on the outer surface of the right extending part of a fourth bevel gear main shaft, the thread shaft extends rightwards into the fourth transmission cavity, a fourth gear is fixedly arranged on the outer surface of the fourth bevel gear main shaft, a second belt wheel is fixedly arranged at the tail end of the fourth bevel gear main shaft, the first belt wheel is in transmission connection with the second belt wheel through a transmission belt, the air exhaust turbine main shaft extends into the fourth transmission cavity, a fifth gear meshed with the fourth gear is fixedly arranged on the outer surface of the fourth bevel gear main shaft, and the conveying device comprises dust suction plates fixedly arranged in the upper end wall and the lower.
5. The construction vehicle for removing snow and reducing dust around the railway tunnel as claimed in claim 1, wherein: the radiation heater is connected with the motor through an electric wire, a moving cavity with a right opening is arranged in the end wall of the left side of the third air pipe, a rack for blocking cold air from flowing downwards is arranged in the movable cavity in a left-right moving mode, a spring is elastically connected between the rack and the left end wall of the movable cavity, a cavity with an upward opening is arranged in the lower side end wall of the moving cavity, a second worm wheel is meshed with the rear side of the worm, the second worm gear main shaft extends into the cavity, a fifth bevel gear is fixedly arranged at the tail end of the second worm gear main shaft, an incomplete gear meshed with the rack is rotatably arranged in the cavity, the forward extending tail end of the incomplete gear spindle is fixedly provided with a sixth bevel gear meshed with the fifth bevel gear, the main shaft of the blowing fan extends upwards into the first transmission cavity, and the tail end of the main shaft is fixedly provided with a third worm wheel meshed with the worm, so that the blowing fan can be controlled to rotate conveniently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217073.8A CN112267412A (en) | 2020-11-04 | 2020-11-04 | A construction car that is used for snow removing dust fall around railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217073.8A CN112267412A (en) | 2020-11-04 | 2020-11-04 | A construction car that is used for snow removing dust fall around railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112267412A true CN112267412A (en) | 2021-01-26 |
Family
ID=74344716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011217073.8A Withdrawn CN112267412A (en) | 2020-11-04 | 2020-11-04 | A construction car that is used for snow removing dust fall around railway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112267412A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275324A (en) * | 2021-06-21 | 2021-08-20 | 华珊 | Mechanism is got rid of to dust that cosmetics emulsion processing workshop was used |
| CN113677150A (en) * | 2021-07-20 | 2021-11-19 | 合肥优恩物联网科技有限公司 | Network security detection equipment for internet nodes and security situation |
| CN114308887A (en) * | 2021-12-31 | 2022-04-12 | 上海坤廷智能科技有限公司 | Mobile detection equipment based on four-eye structured light |
-
2020
- 2020-11-04 CN CN202011217073.8A patent/CN112267412A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275324A (en) * | 2021-06-21 | 2021-08-20 | 华珊 | Mechanism is got rid of to dust that cosmetics emulsion processing workshop was used |
| CN113677150A (en) * | 2021-07-20 | 2021-11-19 | 合肥优恩物联网科技有限公司 | Network security detection equipment for internet nodes and security situation |
| CN113677150B (en) * | 2021-07-20 | 2023-08-25 | 合肥优恩物联网科技有限公司 | Network security detection equipment for Internet nodes and security situations |
| CN114308887A (en) * | 2021-12-31 | 2022-04-12 | 上海坤廷智能科技有限公司 | Mobile detection equipment based on four-eye structured light |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210126 |
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| WW01 | Invention patent application withdrawn after publication |