CN211139354U - Signal lamp for railway transportation - Google Patents

Signal lamp for railway transportation Download PDF

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Publication number
CN211139354U
CN211139354U CN201922297128.XU CN201922297128U CN211139354U CN 211139354 U CN211139354 U CN 211139354U CN 201922297128 U CN201922297128 U CN 201922297128U CN 211139354 U CN211139354 U CN 211139354U
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China
Prior art keywords
signal lamp
motor
plate
fixedly arranged
strip
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Active
Application number
CN201922297128.XU
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Chinese (zh)
Inventor
邸俊辉
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HOHHOT VOCATIONAL College
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邸俊辉
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Priority to CN201922297128.XU priority Critical patent/CN211139354U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/30Wind power
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The utility model discloses a signal lamp of railway transportation usefulness, include the signal lamp of constituteing by pole setting and signal lamp plate, the one end fixed mounting of the adjacent signal lamp plate of pole setting has the base, is equipped with translation mechanism and rotary mechanism on the base respectively, is equipped with splint in the translation mechanism, and the splint joint has one side outer wall to be equipped with the removal strip of tooth mouth, and the top fixed mounting of removing the strip has clean brush head, removes strip and rotary mechanism cooperation, removes the strip and is located the channel of splint and keeps the vertical direction motion. The utility model provides a pair of signal lamp of railway transportation usefulness drives the threaded rod through the motor, and the threaded rod drives splint, makes the removal strip horizontal motion of splint joint, and two drive gear posts of motor, the tooth mouth and the gear post mesh of removing the strip, and the gear post drives and removes a vertical motion, and the top fixed mounting who removes the strip has the cleaning brush, and motor one rotates with two motors simultaneously to make the cleaning brush can not have the clearance cleaning signal lamp plate at dead angle.

Description

Signal lamp for railway transportation
Technical Field
The utility model relates to a rail transit technical field relates to a signal lamp that railway transportation used particularly.
Background
The railway signal is also called as railway signal, and the railway signal has the function of ensuring the operation safety of the train, thereby effectively improving the railway transportation efficiency, reducing the transportation cost and greatly improving the labor condition of the train crew, so the railway signal equipment is key equipment for organizing and commanding the train operation, ensuring the driving safety, improving the transportation efficiency, transmitting the driving information and improving the labor condition of the train crew. The technology and equipment for transmitting train running condition, running equipment state and running related indication to railway running personnel by using markers, lamps, instruments, sounds and the like. The function of the device is to ensure safe and orderly driving and shunting operation of the rolling stock. The railway signal occurs as the first train occurs in the uk. Early signals are very crude, modern signals enable a driving system to be automatically driven by means of development of the electronic industry, and train operation is also developed towards automatic driving and automatic control.
However, in actual life, railway signal lamps are widely distributed, for example, the surface of the signal lamp installed in a mining area is covered by coal ash dust, so that light cannot penetrate through the signal lamp, and the signal lamp is not easy to see.
Accordingly, there is a need for improvement in the above-mentioned problems of the prior art.
Solves the technical problem
In view of the above-mentioned problems in the prior art, an aspect of the present invention is to provide a signal lamp for railway transportation, which solves the above-mentioned problems in the background.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides a pair of signal lamp for railway transportation, include:
the signal lamp comprises a vertical rod and a signal lamp plate, wherein a base is fixedly mounted at one end, adjacent to the signal lamp plate, of the vertical rod, a translation mechanism and a rotating mechanism are respectively arranged on the base, a clamping plate is arranged on the translation mechanism, a moving strip with a tooth opening formed in the outer wall of one side is clamped on the clamping plate, and a cleaning brush head is fixedly mounted at the top of the moving strip;
the movable strip is matched with the rotating mechanism, so that the movable strip is positioned in the channel of the clamping plate and keeps moving in the vertical direction, and the brush of the cleaning brush head is driven to be positioned on the surface of the signal lamp panel to move up and down;
the clamping plate is driven by the translation mechanism to enable the clamping plate to keep reciprocating motion in the horizontal direction, and when the clamping plate works, the translation mechanism is matched with the rotating mechanism together to enable the cleaning brush head contacting the surface of the signal lamp plate to keep XY-axis motion;
fixed mounting has the water pipe on the front at the adjacent top of signal lamp plate, the one end of water pipe runs through the inside of pole setting and is linked together with the miniature pump's of the inside fixed mounting of pole setting output, miniature pump's input is linked together with pole setting top fixed mounting's storage water tank, the water inlet at storage water tank top is linked together with the catchment groove of seting up at the pole setting top.
Preferably, the translation mechanism comprises a fixing column, a threaded rod, a protection plate, a second support plate, a protection shell and a first motor, the second support plate is fixedly installed on the outer surface of the vertical rod, the bottom of the first motor is fixedly installed at the top of the second support plate, the protection shell is fixedly installed on the vertical rod, the first motor is located in the protection shell, one end of the threaded rod penetrates through the axis of the protection plate and is fixedly installed at the output end of the first motor, one end of the fixing column is fixedly installed on one side, opposite to the first motor, of the protection plate, and the clamping plate is sleeved on.
Preferably, the fixing column is concave.
Preferably, rotary mechanism includes backup pad one, protective housing, motor two, protection shield, gear post and connector, a backup pad fixed mounting is in the surface of pole setting, the top of bottom fixed mounting backup pad one of motor two, protective housing fixed mounting is in the pole setting, just the motor is two in the protective housing, the one end of gear post is run through the axle center and the fixed mounting of protection shield in the output of motor two, connector fixed mounting is in the other end of gear post, gear post meshes with the tooth mouth that removes the strip mutually.
Preferably, a one-way valve is fixedly arranged in a connecting pipeline between the water storage tank and the water collecting tank.
Preferably, a plurality of water spraying holes are arranged on the water pipe and are linearly arranged.
Preferably, the top of the vertical rod is fixedly provided with windmill blades, a fixed shell is fixedly arranged between two sides of the inner wall of the vertical rod, and a storage battery is fixedly arranged in the fixed shell.
Preferably, the motor is of the type KSMA 08L I5P.
Preferably, the model number of the storage battery is 12V100 AH.
Preferably, the water pump is of the type JET-G17-37.
Advantageous effects
Compared with the prior art, the utility model provides a pair of signal lamp of railway transportation usefulness possesses following beneficial effect:
1. the utility model discloses a, drive the threaded rod through the motor, the threaded rod drives splint, makes the removal strip horizontal motion of splint joint, then two drive gear posts of motor, and the tooth mouth and the gear post of removing the strip mesh mutually, and the gear post drives and removes a vertical motion, and the top fixed mounting that removes the strip has the cleaning brush, and motor one rotates simultaneously with motor two to make the cleaning brush can not have the clearance clean signal lamp plate at dead angle.
2. The utility model discloses a, through in the rainy day, the rainwater gets into and gathers the basin, and rainwater rethread check valve gets into the storage water tank, and during the water pump took out the water pipe in with the storage water tank, the rainwater was again through the hole for water spraying to the signal lamp plate on, the cleaning brush brushed, made cleaner of signal lamp plate clearance.
3. The utility model discloses a pole setting top fixed mounting has the windmill blade, and wind blows the windmill blade, makes the electric energy store to the battery, can provide the electric energy for motor and signal lamp in the battery to make the overall device energy saving more.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
The main reference numbers:
1. a base; 2. a splint; 3. erecting a rod; 4. a cleaning brush; 5. a signal lamp panel; 6. fixing a column; 7. a threaded rod; 8. a gear post; 9. a connector; 10. a moving bar; 11. a protection plate; 12. a first motor; 13. A second motor; 14. a windmill blade; 15. a first support plate; 16. a signal lamp; 17. an energy storage mechanism; 18. A water pipe; 19. a second support plate; 20. a one-way valve; 21. a water storage tank; 22. a water pump; 24. a stationary case; 25. a storage battery; 26. a translation mechanism; 27. a rotation mechanism; 28. a water collecting tank; 29. a protective shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Referring to fig. 1-3, a signal lamp for railway transportation comprises a signal lamp 16 composed of an upright rod 3 and a signal lamp plate 5, a threaded rod 7 is driven by a motor I12, the threaded rod 7 drives a clamping plate 2, so that a movable bar 10 clamped by the clamping plate 2 moves horizontally, then a motor II 13 drives a gear post 8, a tooth mouth of the movable bar 10 is meshed with the gear post 8, the gear post 8 drives the movable bar 10 to move vertically, a cleaning brush 4 is fixedly arranged at the top of the movable bar 10, the motor I12 and the motor II 13 rotate simultaneously, so that the cleaning brush 4 can clean the signal lamp plate 5 without dead corners, rainwater enters a water tank 28 in rainy days and then enters a water storage tank 21 through a one-way valve 20, a water pump 22 pumps water in the water storage tank 21 into a water pipe 18, rainwater sprays the water onto the signal lamp plate 5 through a water spray hole, the cleaning brush 4 moves, so that the signal lamp plate 5 is cleaned more cleanly, the utility model discloses a 3 top fixed mounting in pole setting have windmill blade 14, and wind blows windmill blade 14, makes the electric energy store to battery 25 in, can provide the electric energy for motor and signal lamp 16 in the battery 25 to make the overall device energy saving more.
The utility model discloses among the further technical scheme that provides, specifically as follows:
as shown in fig. 1, the one end fixed mounting of the adjacent signal lamp plate 5 of pole setting 3 has base 1, is equipped with translation mechanism 26 and rotary mechanism 27 on the base 1 respectively, is equipped with splint 2 on the translation mechanism 26, and splint 2 joint has the removal strip 10 that one side outer wall is equipped with the tooth mouth, and the top fixed mounting of removal strip 10 has clean brush head 4.
As shown in fig. 1, the moving strip 10 cooperates with the rotating mechanism 27 to make the moving strip 10 move in the vertical direction in the channel of the clamping plate 2 and drive the brush of the cleaning brush head 4 to move up and down on the surface of the signal lamp panel 5.
As shown in fig. 1, the splint 2 is driven by the translation mechanism 26 to make the splint 2 keep reciprocating motion in the horizontal direction, and during operation, the translation mechanism 26 cooperates with the rotation mechanism 27 to make the cleaning brush head 4 contacting the surface of the signal lamp panel 5 keep XY axis motion.
As shown in fig. 3, fixed mounting has a water pipe 18 on the front of the adjacent top of signal lamp plate 5, and the one end of water pipe 18 runs through the inside of pole setting 3 and is linked together with the output of the miniature pump 22 of the inside fixed mounting of pole setting 3, and the input of miniature pump 22 is linked together with the storage water tank 21 of the 3 top fixed mounting of pole setting, and the water inlet at the top of storage water tank 21 is linked together with the catchment groove 28 that the 3 top of pole setting was seted up.
As shown in fig. 2, the translation mechanism 26 includes a fixed column 6, a threaded rod 7, a protection plate 11, a second support plate 19, a protection shell 29 and a first motor 12, the second support plate 19 is fixedly mounted on the outer surface of the vertical rod 3, the bottom of the first motor 12 is fixedly mounted on the top of the second support plate 19, the protection shell 29 is fixedly mounted on the vertical rod 3, the first motor 12 is located in the protection shell 29, one end of the threaded rod 7 penetrates through the axis of the protection plate 11 and is fixedly mounted at the output end of the first motor 12, one end of the fixed column 6 is fixedly mounted on one side of the protection plate 11, which is opposite to the first motor 12, and the.
Further, as shown in fig. 3, the fixing post 6 is concave.
As shown in fig. 2, the rotating mechanism 27 includes a first supporting plate 15, a first protective housing 29, a second motor 13, a protective plate 11, a gear column 8 and a connector 9, the first supporting plate 15 is fixedly mounted on the outer surface of the vertical rod 3, the bottom of the second motor 13 is fixedly mounted on the top of the first supporting plate 15, the protective housing 29 is fixedly mounted on the vertical rod 3, the second motor 13 is located in the protective housing 29, one end of the gear column 8 penetrates through the axis of the protective plate 11 and is fixedly mounted at the output end of the second motor 13, the connector 9 is fixedly mounted at the other end of the gear column 8, and the gear column 8 is engaged with the tooth opening of the movable bar 10.
As shown in fig. 3, a check valve 20 is fixedly installed in a connection pipe between the water storage tank 21 and the water collection tank 28.
As shown in FIG. 1, the water pipe 18 is provided with a plurality of water spraying holes which are arranged linearly.
As shown in fig. 1, the top of the vertical rod 3 is fixedly provided with the windmill blades 14, a fixed shell 24 is fixedly arranged between two sides of the inner wall of the vertical rod 3, a storage battery 25 is fixedly arranged in the fixed shell 24, and wind power generation is the prior art and is not mentioned too much here.
The working principle is as follows: when the signal lamp is polluted, the threaded rod 7 is driven by the first motor 12, the threaded rod 7 drives the clamping plate 2, the movable strip 10 clamped by the clamping plate 2 moves horizontally, then the second motor 13 drives the gear post 8, the tooth mouth of the movable strip 10 is meshed with the gear post 8, the gear post 8 drives the movable strip 10 to move vertically, the top of the movable strip 10 is fixedly provided with the cleaning brush 4, the first motor 12 and the second motor 13 rotate simultaneously, so that the cleaning signal lamp plate 5 can be cleaned without dead angles by the cleaning brush 4, rainwater enters the water collecting groove 28 in rainy days and enters the water storage tank 21 through the check valve 20, the water in the water storage tank 21 is pumped into the water pipe 18 by the water pump 22, the rainwater is sprayed onto the signal lamp plate 5 through the water spray holes, the cleaning brush 4 is brushed, so that the signal lamp plate 5 is cleaned more cleanly, the top of the utility model vertical rod 3 is fixedly provided with the windmill blade 14, the wind blows the windmill blades 14, so that electric energy is stored in the storage battery 25, and the storage battery 25 can provide electric energy for the motor and the signal lamp 16, so that the whole device is more energy-saving.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It will be appreciated by those skilled in the art that other similar connecting means, such as welding, bonding or screwing, may also be used to implement the present invention.
The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims (7)

1. The utility model provides a signal lamp of railway transportation usefulness, includes signal lamp (16) of constituteing by pole setting (3) and signal lamp plate (5), its characterized in that:
a base (1) is fixedly mounted at one end, adjacent to the signal lamp panel (5), of the upright rod (3), a translation mechanism (26) and a rotating mechanism (27) are respectively arranged on the base (1), a clamping plate (2) is arranged on the translation mechanism (26), a moving strip (10) with a tooth opening formed in the outer wall of one side is clamped on the clamping plate (2), and a cleaning brush head (4) is fixedly mounted at the top of the moving strip (10);
the moving strip (10) is matched with the rotating mechanism (27), so that the moving strip (10) is positioned in a channel of the clamping plate (2) and keeps moving in a vertical direction, and a brush of the cleaning brush head (4) is driven to be positioned on the surface of the signal lamp plate (5) to move up and down;
the clamping plate (2) is driven by the translation mechanism (26) to enable the clamping plate (2) to keep reciprocating motion in the horizontal direction, and in operation, the translation mechanism (26) and the rotating mechanism (27) are matched together to enable the cleaning brush head (4) contacting the surface of the signal lamp plate (5) to keep XY-axis motion;
fixed mounting has water pipe (18) on the front at the adjacent top of signal lamp plate (5), the one end of water pipe (18) runs through the inside of pole setting (3) and is linked together with the output of pole setting (3) inside fixed mounting's miniature pump (22), the input of miniature pump (22) is linked together with pole setting (3) top fixed mounting's storage water tank (21), the water inlet at storage water tank (21) top is linked together with catchment groove (28) that pole setting (3) top was seted up.
2. The signal lamp for railway transportation according to claim 1, wherein the translation mechanism (26) comprises a fixed column (6), a threaded rod (7), a protection plate (11), a second support plate (19), a protection shell (29) and a first motor (12), the second support plate (19) is fixedly arranged on the outer surface of the upright rod (3), the bottom of the first motor (12) is fixedly arranged on the top of the second support plate (19), the protective shell (29) is fixedly arranged on the upright rod (3), the first motor (12) is positioned in the protective shell (29), one end of the threaded rod (7) penetrates through the axis of the protective plate (11) and is fixedly arranged at the output end of the first motor (12), one end of the fixing column (6) is fixedly arranged on one side, opposite to the motor I (12), of the protection plate (11), and the clamping plate (2) is sleeved on the threaded rod (7).
3. A signalling light for railway transport as claimed in claim 2, characterized in that the anchoring studs (6) are embodied as concave.
4. The signal lamp for railway transportation according to claim 1, wherein the rotating mechanism (27) comprises a first support plate (15), a protective housing (29), a second motor (13), a protective plate (11), a gear column (8) and a connecting head (9), the first support plate (15) is fixedly arranged on the outer surface of the upright rod (3), the top of the first support plate (15) is fixedly arranged at the bottom of the second motor (13), the protective shell (29) is fixedly arranged on the upright rod (3), the second motor (13) is positioned in the protective shell (29), one end of the gear column (8) penetrates through the axis of the protective plate (11) and is fixedly arranged at the output end of the second motor (13), the connector (9) is fixedly arranged at the other end of the gear column (8), and the gear column (8) is meshed with a tooth opening of the movable strip (10).
5. The signaling light for railway transportation according to claim 1, characterized in that a one-way valve (20) is fixedly installed in the connecting pipe between the water storage tank (21) and the water collection tank (28).
6. A signalling light for railway transportation according to claim 1, characterised in that the water pipe (18) is provided with a plurality of water jet holes arranged in a linear pattern.
7. The signal lamp for railway transportation according to claim 1, wherein the top of the vertical rod (3) is fixedly provided with windmill blades (14), a fixed shell (24) is fixedly arranged between two sides of the inner wall of the vertical rod (3), and a storage battery (25) is fixedly arranged in the fixed shell (24).
CN201922297128.XU 2019-12-19 2019-12-19 Signal lamp for railway transportation Active CN211139354U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922297128.XU CN211139354U (en) 2019-12-19 2019-12-19 Signal lamp for railway transportation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922297128.XU CN211139354U (en) 2019-12-19 2019-12-19 Signal lamp for railway transportation

Publications (1)

Publication Number Publication Date
CN211139354U true CN211139354U (en) 2020-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922297128.XU Active CN211139354U (en) 2019-12-19 2019-12-19 Signal lamp for railway transportation

Country Status (1)

Country Link
CN (1) CN211139354U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112150845A (en) * 2020-09-23 2020-12-29 徐州工程学院 Traffic signal lamp based on Internet of things
CN112614364A (en) * 2020-12-18 2021-04-06 山东职业学院 Indicating device for railway traffic management

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112150845A (en) * 2020-09-23 2020-12-29 徐州工程学院 Traffic signal lamp based on Internet of things
CN112614364A (en) * 2020-12-18 2021-04-06 山东职业学院 Indicating device for railway traffic management

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Effective date of registration: 20211118

Address after: 010051 Bayan higher vocational Park, Saihan District, Hohhot City, Inner Mongolia Autonomous Region

Patentee after: HOHHOT VOCATIONAL College

Address before: 010000 Railway College of Hohhot vocational college, luojiaying University Town, Saihan District, Hohhot City, Inner Mongolia Autonomous Region

Patentee before: Di Junhui