CN208233317U - Ship-lighting plant and ship - Google Patents

Ship-lighting plant and ship Download PDF

Info

Publication number
CN208233317U
CN208233317U CN201820759251.1U CN201820759251U CN208233317U CN 208233317 U CN208233317 U CN 208233317U CN 201820759251 U CN201820759251 U CN 201820759251U CN 208233317 U CN208233317 U CN 208233317U
Authority
CN
China
Prior art keywords
ship
light fixture
lifting assembly
driving
lighting plant
Prior art date
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.)
Active
Application number
CN201820759251.1U
Other languages
Chinese (zh)
Inventor
张亮亮
东之杰
刘洪亮
乐小龙
翁爽
张毅
谢珉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Original Assignee
Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute filed Critical Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Priority to CN201820759251.1U priority Critical patent/CN208233317U/en
Application granted granted Critical
Publication of CN208233317U publication Critical patent/CN208233317U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The utility model provides a kind of ship-lighting plant and ship, is related to technical field of ships, ship-lighting plant includes lifting assembly and light fixture;The lifting assembly and the light fixture are separately positioned in ship, and the light fixture is arranged on the lifting assembly, and the lifting assembly is for driving the light fixture to go up and down in ship.Light fixture is mounted on lifting assembly, the height of light fixture can be adjusted according to actual environment needs, when floating dock is in shiprepair operating condition, after light fixture is reduced to the first predeterminated position using lifting assembly, dock bottom can be made to keep suitable illumination, improve illuminating effect, and under equal illumination requirement, the quantity and power of light fixture can be reduced, to reduce the consumption of the energy, cost is reduced, improves economic performance.

Description

Ship-lighting plant and ship
Technical field
The utility model relates to technical field of ships, have this more particularly, to a kind of ship-lighting plant, and one kind The ship of ship-lighting plant.
Background technique
Floating dock is a kind of engineering ship for shiprepair and shipbuilding, and usually there is a liter depressed place at floating dock, drop depressed place, disengaging depressed place, repairs Ship stops the operating conditions such as depressed place and emergency, and in shiprepair operating condition, the enough illumination in dock bottom when to guarantee shiprepair, usually on deckhead Powerful Projecting Lamp is installed.
In the prior art, to avoid Projecting Lamp from being flooded with later period repair and maintenance conveniently by seawater, the generally fixed peace of Projecting Lamp On deckhead, in floating dock 1 ' as shown in Figure 1,17 meters away from dock bottom 3 ' of deckhead 2 ', every 15 on deckhead 2 ' Meter ampere fills 1 400 watts of high-pressure sodium lamp.Since mounting height is relatively high, the 3 ' illumination of dock bottom close to wing wall region only has 40 Lux or so, far below 75 luxs of code requirement, to meet codes and standards, conventional scheme can only be by increasing Projecting Lamp Quantity or power realize.
However, increasing the quantity or power of Projecting Lamp, cost payout is on the one hand increased, fuel oil is on the other hand increased and disappears Consumption and discharge, the economy of the lighting device at floating dock 1 ' is poor, and for the floating dock 1 ' of some large-tonnages, pushes up first Plate 2 ' is higher away from the height of dock bottom 3 ', has had exceeded the farthest projection distance of Projecting Lamp, simple to accelerate or power is to increasing Strong 3 ' illumination of dock bottom influence is little, causes the illumination performance of the lighting device at floating dock 1 ' bad.
Utility model content
The purpose of this utility model is to provide a kind of ship-lighting plants, to solve the illumination of ship in the prior art The bad technical problem of the illumination performance and economy of device.
Ship-lighting plant provided by the utility model, including lifting assembly and light fixture;
The lifting assembly and the light fixture are separately positioned in ship, and the light fixture is arranged in the lifting On component, the lifting assembly is for driving the light fixture to go up and down in ship.
Further, the lifting assembly includes driving mechanism and transmission mechanism;
The driving mechanism is connect with the transmission mechanism, and the light fixture is arranged on the transmission mechanism, described Transmission mechanism is for driving the light fixture to go up and down.
Further, the transmission mechanism include the first driving wheel, the second driving wheel, the first transmission chain, the second transmission chain, First transmission shaft and second driving shaft;
First driving wheel fixation is set on the output shaft of the driving mechanism, first driving wheel and described the Two driving wheels are sequentially connected by first transmission chain;
The second driving wheel fixation is set on first transmission shaft, first transmission shaft and second transmission Axis is sequentially connected by second transmission chain;
The light fixture is fixed on second transmission chain, and second transmission chain is for driving the light fixture Lifting.
Further, the ship-lighting plant further includes guidance set;
The guidance set includes track and pulley;
The pulley is arranged on the light fixture, and the pulley can be slided along the track.
Further, the driving mechanism includes motor.
Further, the light fixture includes lamps and lanterns;The lamps and lanterns are arranged on the lifting assembly.
Further, the lamps and lanterns include Projecting Lamp.
Further, the light fixture further includes lamp holder;
The lamps and lanterns are fixedly connected with the lamp holder, and the lamp holder is arranged on the lifting assembly.
Further, there is interconnecting piece, the interconnecting piece is connect with the lifting assembly on the lamp holder.
The purpose of this utility model, which also resides in, provides a kind of ship, including ship-lighting plant described in the utility model.
Ship-lighting plant provided by the utility model, including lifting assembly and light fixture;The lifting assembly and institute It states light fixture to be separately positioned in ship, the light fixture is arranged on the lifting assembly, and the lifting assembly is used for The light fixture is driven to go up and down in ship.Light fixture is mounted on lifting assembly, can be adjusted according to actual environment needs The height for saving light fixture, when floating dock is in shiprepair operating condition, utilizes lifting when ship-lighting plant is applied to floating dock After light fixture is reduced to the first predeterminated position by component, dock bottom can be made to keep suitable illumination, improve illuminating effect, and Under equal illumination requirement, the quantity and power that can reduce light fixture reduce cost to reduce the consumption of the energy, mention High economic performance.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram at floating dock in the prior art;
Fig. 2 is the side view of light fixture in ship-lighting plant provided by the embodiment of the utility model;
Fig. 3 is the top view of ship-lighting plant middle orbit provided by the embodiment of the utility model;
Fig. 4 is the side view of ship-lighting plant provided by the embodiment of the utility model.
Icon: 1- light fixture;11- Projecting Lamp;12- interconnecting piece;13- mounting portion;2- transmission mechanism;21- Two transmission chains;The first driving wheel of 22-;The second driving wheel of 23-;The first transmission chain of 24-;The first transmission shaft of 25-;26- second Transmission shaft;3- guidance set;31- pulley;32- track;4- motor;1 '-floating dock;2 '-deckheads;3 '-dock bottoms.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", " right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention. In addition, such as there is term " first ", " second ", being used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance. Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
The utility model provides a kind of ship-lighting plant and ship, and multiple embodiments are given below to the utility model The ship-lighting plant and ship of offer are described in detail.
Embodiment 1
Ship-lighting plant provided in this embodiment, as shown in Figures 2 to 4, including lifting assembly and light fixture 1;It rises It comes down to a lower group part and light fixture 1 is separately positioned in ship, light fixture 1 is arranged on lifting assembly, and lifting assembly is for driving Light fixture 1 is gone up and down in ship.
Wherein, ship-lighting plant can illuminate for floating dock, or any suitable ship's service lighting such as freighter.
In the present embodiment, by taking ship-lighting plant is floating dock illumination as an example, illustrate ship-lighting plant.Wherein, pontoon When depressed place is used for shiprepair, lifting assembly can drive light fixture 1 to be reduced to the first predeterminated position;When floating dock is not used for shiprepair, Lifting assembly can drive the light fixture 1 to be increased to the second predeterminated position.
Light fixture 1 is mounted on lifting assembly, can adjust the height of light fixture 1 according to actual environment needs, When floating dock is in shiprepair operating condition, after light fixture 1 is reduced to the first predeterminated position using lifting assembly, dock bottom can be made to protect Suitable illumination is held, illuminating effect is improved, and under equal illumination requirement, the quantity and power of light fixture 1 can be reduced, To reduce the consumption of the energy, cost is reduced, improves economic performance.
When floating dock is in other operating conditions (when being not in shiprepair operating condition), light fixture 1 is increased to by lifting assembly Two predeterminated positions prevent light fixture 1 from being flooded by seawater, improve reliability.
Wherein, lifting assembly may include driving mechanism and transmission mechanism 2;Driving mechanism is connect with the transmission mechanism 2, Light fixture 1 is arranged on transmission mechanism 2, and transmission mechanism 2 is for driving light fixture 1 to go up and down.
Wherein, driving mechanism is used to provide power, and driving mechanism may include motor 4, also may include hydraulic motor or Any suitable form such as air motor.
Transmission mechanism 2 is used to be driven the power of driving mechanism offer, and is able to drive the lifting of light fixture 1.
As an implementation, transmission mechanism 2 includes gear and rack gear, and driving mechanism includes motor 4, motor 4 it is defeated Shaft is fixedly connected with gear, and rack and pinion engagement, rack gear is vertically arranged, and light fixture 1 is fixed on rack gear, passes through adjusting The forward and reverse of motor 4 are able to drive the lifting of light fixture 1.
As another embodiment, transmission mechanism 2 includes the first driving wheel 22, the second driving wheel 23, the first transmission chain 24, the second transmission chain 21, the first transmission shaft 25 and second driving shaft 26;The fixation of first driving wheel 22 is set in the defeated of driving mechanism On shaft, the first driving wheel 22 and the second driving wheel 23 are sequentially connected by the first transmission chain 24;Second driving wheel, 23 fixing sleeve It is located on the first transmission shaft 25, the first transmission shaft 25 is sequentially connected with second driving shaft 26 by the second transmission chain 21;Illumination group Part 1 is fixed on the second transmission chain 21, and the second transmission chain 21 is for driving the light fixture 1 to go up and down.
Wherein, driving mechanism includes motor 4, and the fixation of the first driving wheel 22 is set on the output shaft of motor 4, in motor 4 The axis that the first driving wheel 22 is able to drive after unlatching around the first driving wheel 22 rotates, to drive the second driving wheel 23 around second The axis of driving wheel 23 rotates, since the fixation of the second driving wheel 23 is set on the first transmission shaft 25, in the second driving wheel The axis that the first transmission shaft 25 is able to drive when 23 rotation around the first transmission shaft 25 rotates, to drive the second transmission chain 21 the It is moved between one transmission shaft 25 and second driving shaft 26.
In the present embodiment, the second transmission chain 21 is vertically arranged, and after the unlatching of motor 4, the second transmission chain 21 can be along vertical Direction is mobile, and light fixture 1 is fixed on the second transmission chain 21, by adjusting the forward and reverse of motor 4, can drive photograph Bright component 1 is gone up and down.
Wherein, motor 4 may be mounted on deckhead, prevent seawater from flooding driving mechanism, improve security performance.
Further, ship-lighting plant further includes guidance set 3;Guidance set 3 includes track 32 and pulley 31;Pulley 31 are arranged on the light fixture 1, and pulley 31 can be slided along the track 32.
Specifically, track 32 can be set in the side of transmission mechanism 2, can also be separately positioned on the two of transmission mechanism 2 Any suitable position such as side, the extending direction of track 32 and the lifting direction of light fixture 1 are parallel, drive in transmission mechanism 2 When light fixture 1 is gone up and down, the pulley 31 on light fixture 1 is slided along track 32, can play the role of guiding.
In the present embodiment, track 32 is fixed on the wall at floating dock, and track 32 is vertically arranged, and light fixture 1 is fixed on On second transmission chain 21, and light fixture 1 is equipped with pulley 31, and pulley 31 can be slided along track 32.
Specifically, light fixture 1 includes lamps and lanterns;Lamps and lanterns are arranged on lifting assembly.Wherein, lamps and lanterns can be with lifting assembly It is fixedly connected, so that lifting assembly be made to drive lamps and lanterns lifting.
In the present embodiment, lamps and lanterns include Projecting Lamp 11.
Further, light fixture 1 further includes lamp holder;Lamps and lanterns are fixedly connected with lamp holder, and lamp holder is arranged on lifting assembly.
Lamps and lanterns are fixedly connected with lamp holder, and connection type can be welding, or any suitable side such as threaded connection Formula.
Lamp holder is arranged on lifting assembly, so that lamp holder be made to be fixed on lifting assembly, lifting assembly is made to be able to drive throwing Light lamp 11 is gone up and down.
In the present embodiment, Projecting Lamp 11 is fixed on lamp holder, interconnecting piece 12 on lamp holder, interconnecting piece 12 and the second transmission chain 21.Lamp holder further includes mounting portion 13, and mounting portion 13 is fixedly connected with interconnecting piece 12, and Projecting Lamp 11 is fixed on mounting portion 13, and And two pulleys 31 are respectively equipped on mounting portion 13, two pulleys 31 are respectively equipped on fixed part, track 32 includes four, four In two tracks 32 side of second transmission chain 21 is set, the another two track 32 in four is arranged in the second transmission chain 21 The other side, four sliding rails respectively with the sliding rail of corresponding position cooperation is slidably connected.
The output power of motor 4 needs to be determined according to the weight of Projecting Lamp 11 and lamp holder, it is assumed that 11 mass of Projecting Lamp is m1, Lamp holder quality is m2, the lifting speed of Projecting Lamp 11 is v1, due to when 4 output power of motor is greater than decline when Projecting Lamp 11 rises 4 output power of motor, therefore 4 type selecting of motor only considers to rise situation, overcomes the power of gravity and friction working are as follows:
P1=[(m1+m2)*g+FN*μ]*v1 (1)
In formula: g is gravity constant;FNIt is 11 platform of Projecting Lamp to the pressure of guide rail;μ is coefficient of friction.
Consider power conservation, the output power P of motor 42Are as follows:
In formula: η1For the transmission efficiency of chain transminssion mechanism 2;η2For the delivery efficiency of motor.
4 output power of motor obtained according to formula (2) can select corresponding 4 model of motor.When needing to adjust Projecting Lamp 11 Height when, can pass through 4 side control button of motor control 4 positive and negative rotation of motor, realize 11 height adjustment of Projecting Lamp purpose.When When motor 4 rotates clockwise, lifting assembly drives Projecting Lamp 11 to decline, and when motor 4 rotates counterclockwise, lifting assembly, which drives, to be thrown Light lamp 11 rises.When Projecting Lamp 11 rises or falls to suitable height, axis locking mechanism is powered off by motor 4, makes light projector Lamp 11 is fixed on present level, prevents Projecting Lamp 11 from moving up and down with rocking for floating dock.
Ship-lighting plant provided in this embodiment, when floating dock is used for shiprepair, lifting assembly drives light fixture 1 to reduce To the first predeterminated position;When floating dock is not used for shiprepair, lifting assembly drives the light fixture 1 to be increased to the second default position It sets.Light fixture 1 is mounted on lifting assembly, the height of light fixture 1 can be adjusted, in pontoon according to actual environment needs When depressed place is in shiprepair operating condition, after light fixture 1 is reduced to the first predeterminated position using lifting assembly, dock bottom can be made to keep suitable The illumination of conjunction improves illuminating effect, and under equal illumination requirement, can reduce the quantity and power of light fixture 1, thus The consumption for reducing the energy reduces cost, improves economic performance.
In addition, being shone when ship-lighting plant provided in this embodiment is used to be any suitable ship's service lightings such as freighter Bright component 1 is mounted on lifting assembly, the height of light fixture 1 can be adjusted, to drive illumination group according to actual environment needs Part is gone up and down in ship to suitable height, so that according to the needs of use, suitable illumination is improved in the position to need to illuminate, is mentioned High illuminating effect, and under equal illumination requirement, the quantity and power of light fixture 1 can be reduced, to reduce the energy Consumption reduces cost, improves economic performance.
Embodiment 2
Ship provided in this embodiment, including ship-lighting plant described in embodiment 1.
Wherein, ship can illuminate for floating dock, or any suitable ship such as freighter.
In the present embodiment, ship is floating dock, and the light fixture 1 in ship-lighting plant is mounted on lifting assembly, energy It is enough to adjust the height of light fixture 1 according to actual environment needs, it, will using lifting assembly when floating dock is in shiprepair operating condition After light fixture 1 is reduced to the first predeterminated position, dock bottom can be made to keep suitable illumination, improve illuminating effect, and in phase Cost is reduced to reduce the energy consumption at floating dock with the quantity and power that light fixture 1 under illumination requirement, can be reduced, Improve economic performance.
In addition, light fixture 1 is mounted on lifting assembly, Neng Gougen when ship is any suitable ships such as freighter It is needed according to actual environment, adjusts the height of light fixture 1, to drive light fixture to be gone up and down in ship to suitable height, from And according to the needs of use, suitable illumination is improved in the position to need to illuminate, and improves illuminating effect, and in equal illumination requirement Under, the quantity and power of light fixture 1 can be reduced, to reduce the consumption of the energy, cost is reduced, improves economic performance.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of ship-lighting plant, which is characterized in that including lifting assembly and light fixture;
The lifting assembly and the light fixture are separately positioned in ship, and the light fixture is arranged in the lifting assembly On, the lifting assembly is for driving the light fixture to go up and down in ship.
2. ship-lighting plant according to claim 1, which is characterized in that the lifting assembly includes driving mechanism and biography Motivation structure;
The driving mechanism is connect with the transmission mechanism, and the light fixture is arranged on the transmission mechanism, the transmission Mechanism is for driving the light fixture to go up and down.
3. ship-lighting plant according to claim 2, which is characterized in that the transmission mechanism include the first driving wheel, Second driving wheel, the first transmission chain, the second transmission chain, the first transmission shaft and second driving shaft;
The first driving wheel fixation is set on the output shaft of the driving mechanism, and first driving wheel and described second passes Driving wheel is sequentially connected by first transmission chain;
The second driving wheel fixation is set on first transmission shaft, and first transmission shaft and the second driving shaft are logical Cross the second transmission chain transmission connection;
The light fixture is fixed on second transmission chain, and second transmission chain is for driving the light fixture liter Drop.
4. ship-lighting plant according to any one of claim 1-3, which is characterized in that the ship-lighting plant It further include guidance set;
The guidance set includes track and pulley;
The pulley is arranged on the light fixture, and the pulley can be slided along the track.
5. ship-lighting plant according to claim 2, which is characterized in that the driving mechanism includes motor.
6. ship-lighting plant according to claim 1, which is characterized in that the light fixture includes lamps and lanterns;The lamp Tool is arranged on the lifting assembly.
7. ship-lighting plant according to claim 6, which is characterized in that the lamps and lanterns include Projecting Lamp.
8. ship-lighting plant according to claim 6, which is characterized in that the light fixture further includes lamp holder;
The lamps and lanterns are fixedly connected with the lamp holder, and the lamp holder is arranged on the lifting assembly.
9. ship-lighting plant according to claim 8, which is characterized in that have interconnecting piece, the company on the lamp holder Socket part is connect with the lifting assembly.
10. a kind of ship, which is characterized in that including ship-lighting plant of any of claims 1-9.
CN201820759251.1U 2018-05-21 2018-05-21 Ship-lighting plant and ship Active CN208233317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820759251.1U CN208233317U (en) 2018-05-21 2018-05-21 Ship-lighting plant and ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820759251.1U CN208233317U (en) 2018-05-21 2018-05-21 Ship-lighting plant and ship

Publications (1)

Publication Number Publication Date
CN208233317U true CN208233317U (en) 2018-12-14

Family

ID=64580507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820759251.1U Active CN208233317U (en) 2018-05-21 2018-05-21 Ship-lighting plant and ship

Country Status (1)

Country Link
CN (1) CN208233317U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110963006A (en) * 2019-12-09 2020-04-07 上海船舶研究设计院(中国船舶工业集团公司第六0四研究院) Control device and control method of ship lighting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110963006A (en) * 2019-12-09 2020-04-07 上海船舶研究设计院(中国船舶工业集团公司第六0四研究院) Control device and control method of ship lighting device

Similar Documents

Publication Publication Date Title
CN108317467A (en) A kind of energy-saving street lamp easy to repair based on Internet of Things
CN208233317U (en) Ship-lighting plant and ship
CN108302405A (en) A kind of energy-saving street lamp with light filling function based on Internet of Things
CN202048486U (en) Navigation light
CN210951129U (en) Dynamic navigation mark lamp
CN201964361U (en) Lifting device of underwater lighting fixture
CN209042207U (en) A kind of city illumination high-pole lamp device
CN208687628U (en) A kind of vehicle intelligent lighting device for rescue
CN109578910A (en) A kind of lighting apparatus dust removal method
CN207112603U (en) A kind of lift rotation-type LED lamp mechanism
CN209063980U (en) A kind of construction of the highway material transportation environment protecting dustproof
CN219389630U (en) Remote control navigation mark lamp based on bridge interception
CN219775641U (en) Lighting device for ship engine room
CN214501000U (en) Height-adjustable ship signal lamp
CN204513286U (en) The mounting structure of a kind of tunnel lamp
CN113048422A (en) Height-adjustable ship signal lamp
CN216383894U (en) LED lighting device with regulatory function
CN208762868U (en) A kind of prefabricated assembled bridge standard apparatus for examination and repair
CN212174390U (en) Liftable street lamp engineering installation device
CN110345438A (en) A kind of photovoltaic type enterprise Administrative Area graded illumination system
CN217917936U (en) Rail transit vehicle LED warning light convenient to angle of adjustment direction
CN217896303U (en) Mobilizable intelligent transportation sign
CN220911243U (en) Efficient energy-saving port lighting lamp
CN108302510A (en) A kind of highway Tunnel Lamp rapid dismounting apparatus
CN108224301A (en) A kind of improved LED lamp control device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant