CN112879876A - Temporary lighting equipment suitable for various height operations - Google Patents
Temporary lighting equipment suitable for various height operations Download PDFInfo
- Publication number
- CN112879876A CN112879876A CN202110281837.8A CN202110281837A CN112879876A CN 112879876 A CN112879876 A CN 112879876A CN 202110281837 A CN202110281837 A CN 202110281837A CN 112879876 A CN112879876 A CN 112879876A
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- China
- Prior art keywords
- main
- auxiliary
- adaptive locking
- locking mechanism
- temporary lighting
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A temporary lighting device suitable for various height operations comprises a device shell, wherein a release and recovery mechanism which can enable the temporary lighting device to automatically carry out installation work when in use or automatically recover related parts after use is arranged in the device shell, a plurality of adaptive locking mechanisms are arranged in the temporary lighting device, when a lighting lamp is arranged on the lamp installation position at the bottommost part, two adaptive locking mechanisms can be locked by mutually matching each adaptive locking mechanism even if a limiting slide block is clamped in a corresponding limiting groove, the lighting length can be increased by increasing the number of the adaptive locking mechanisms, the requirements for lighting at different heights are met, the temporary lighting device is integrally and rigidly connected, the lamp cannot shake at any time like a rope during lighting, the lighting direction is stable, and the release and recovery of the adaptive locking mechanisms can be conveniently realized by mutually matching an auxiliary hydraulic device and a main hydraulic device, the efficiency is higher.
Description
Technical Field
The invention relates to the field of temporary lighting equipment, in particular to temporary lighting equipment suitable for various height operations.
Background
At present, temporary lighting equipment is needed to be used when old vertical shafts are maintained, collapsed mountain rescue and bridge river salvage are carried out, and the smooth operation of the work is guaranteed. However, most of the current temporary lighting devices adopt a mode of placing lighting lamps at fixed points to illuminate a target place. This method is not capable of adjusting the height, and therefore, the effect is poor when high-brightness lighting work at a specified height is required;
at present, some lighting devices with adjustable height are available, but most of the lighting devices can only be adjusted according to the supports of the lighting devices and are limited in length, and some lighting devices are in a mode of hanging lamps by ropes, but the mode is not good in fixation, and the lighting direction cannot be well controlled due to the fact that the lighting devices are easily influenced by strong wind, birds and the like when the lighting devices are released.
Disclosure of Invention
The object of the present invention is to provide a temporary lighting device suitable for various height operations, solving the above mentioned problems.
The technical purpose of the invention is realized by the following technical scheme: a temporary lighting device suitable for various height operations comprises a device shell, wherein a release and recovery mechanism which can enable the temporary lighting device to automatically carry out installation work when in use or automatically recover related parts after use is arranged in the device shell;
a supporting cross rod is fixedly arranged on the inner wall of one side of the equipment shell, a plurality of adaptive locking mechanisms can be placed on the supporting cross rod, each adaptive locking mechanism comprises a main body block, a square groove is arranged in the main body block in a through manner, the square groove can be connected with the supporting cross rod in a sliding way, one end of the main body block is fixedly provided with a main L-shaped bracket, the other end of the main body block is fixedly provided with an auxiliary L-shaped bracket, the main body block is internally provided with a control groove, and one side of the control groove, which is close to the auxiliary L-shaped bracket, is opened, a limit slide block is connected in the control groove in a sliding way, the limiting slide block is connected with the inner wall of the control groove through a return spring, a permanent magnet is fixedly arranged on the limiting slide block, when the main L-shaped support is positioned between the adjacent main body block and the auxiliary L-shaped support, the two adaptive locking mechanisms are locked by clamping the limiting sliding block into the corresponding limiting groove.
Beneficially, the release and recovery mechanism comprises an auxiliary hydraulic device fixedly arranged on the inner wall of one side of the equipment shell, an auxiliary telescopic rod is connected to the auxiliary hydraulic device in a matching mode, an auxiliary push plate is fixedly arranged on the auxiliary telescopic rod, and a control electromagnet is fixedly arranged on the auxiliary push plate and can drive the limiting sliding block to be not clamped into the adjacent limiting groove when the control electromagnet is electrified and has magnetism opposite to that of the corresponding permanent magnet.
Advantageously, a main hydraulic device is fixedly arranged on the inner wall of one side, away from the auxiliary hydraulic device, of the device shell, a main telescopic rod is connected to the main hydraulic device in a matching mode, a main push plate is fixedly arranged on the main telescopic rod, and when the main telescopic rod extends, the adaptive locking mechanism on the supporting cross rod can be driven to move towards the auxiliary hydraulic device through the main push plate.
Advantageously, a fixed bracket is fixedly arranged on the inner wall of one side of the equipment shell, a motor is fixedly arranged at one end of the fixed bracket, a motor shaft is dynamically connected onto the motor, and a linkage gear is fixedly arranged on the motor shaft and can be meshed and connected with each main body block and the toothed part on the main L-shaped bracket.
Beneficially, the fixed bolster is kept away from motor one end has set firmly spacing electromagnet for, the slip is equipped with the magnetism gag lever post on the fixed bolster, the magnetism gag lever post with pass through between the spacing electromagnet connecting spring connects, works as the magnetism gag lever post inserts correspond when the square groove, can be right adaptation locking mechanism carries on spacingly.
Beneficially, each auxiliary L-shaped bracket is provided with a lamp mounting position, and the bottom lamp mounting position is provided with a lighting lamp.
Advantageously, a fixing block is fixedly arranged on the inner wall of one side of the equipment shell and can be slidably connected with each main body block and each auxiliary L-shaped bracket, so that stable transportation of each adaptive locking mechanism is guaranteed, and a fixing rod is fixedly arranged at one end of the equipment shell and can be used for placing a heavy object on the fixing rod or inserting the fixing rod into other fixed objects, so that the equipment shell is convenient to fix.
Advantageously, an input through hole is formed in the inner wall of the equipment shell close to one side of the supporting cross rod in a penetrating mode, a worker can take out the adaptive locking mechanism or place the adaptive locking mechanism into the equipment shell through the input through hole, a release through hole is formed in the inner wall of the equipment shell close to one side of the motor in a penetrating mode, and the adaptive locking mechanism can be transported downwards through the release through hole.
In conclusion, the invention has the following beneficial effects: the invention is provided with a plurality of adaptive locking mechanisms, when the illuminating lamp is arranged on the lamp mounting position at the bottommost part, the two adaptive locking mechanisms can be locked by mutually matching each adaptive locking mechanism even if the limiting slide block is clamped into the corresponding limiting groove, the lighting length can be increased by increasing the number of the adaptive locking mechanisms, the requirements on lighting at different heights are met, the integral rigid connection is realized, the lamp cannot shake at any time like a rope during lighting, the lighting direction is stable, the release and recovery of the adaptive locking mechanisms can be conveniently realized by mutually matching the auxiliary hydraulic device and the main hydraulic device, and the efficiency is higher.
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.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of an adaptive locking mechanism of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure in the direction "A-A" in FIG. 2 according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a locking mechanism according to an embodiment of the present invention.
Detailed Description
The temporary lighting equipment suitable for various height operations described with reference to fig. 1-4 comprises an equipment housing 11, wherein a release and recovery mechanism 901 capable of automatically performing installation work when the temporary lighting equipment is required to be used or automatically recovering related parts after the temporary lighting equipment is used is arranged in the equipment housing 11;
the inner wall of one side of the device shell 11 is fixedly provided with a supporting cross rod 18, the supporting cross rod 18 is provided with a plurality of adaptive locking mechanisms 902, each adaptive locking mechanism 902 comprises a main body block 33, a square groove 39 is penetratingly arranged in the main body block 33, the square groove 39 can be slidably connected with the supporting cross rod 18, one end of the main body block 33 is fixedly provided with a main L-shaped support 31, the other end of the main body block 33 is fixedly provided with an auxiliary L-shaped support 36, a control groove 38 is arranged in the main body block 33, the control groove 38 is close to an opening at one side of the auxiliary L-shaped support 36, a limit slide block 35 is slidably connected in the control groove 38, the limit slide block 35 is connected with the inner wall of the control groove 38 through a reset spring 34, a permanent magnet 41 is fixedly arranged on the limit slide block 35, when the main L-shaped support 31 is positioned between the adjacent main body block 33 and the auxiliary, the two adaptive locking mechanisms 902 are locked by clamping the limiting slide blocks 35 into the corresponding limiting grooves 32.
Advantageously, the releasing and recovering mechanism 901 includes an auxiliary hydraulic device 30 fixedly disposed on an inner wall of one side of the device housing 11, the auxiliary hydraulic device 30 is cooperatively connected with an auxiliary telescopic rod 12, an auxiliary push rod 13 is fixedly disposed on the auxiliary telescopic rod 12, and a control electromagnet 14 is fixedly disposed on the auxiliary push rod 13, and when the control electromagnet 14 is energized and has a magnetic property opposite to that of the corresponding permanent magnet 41, the control electromagnet can drive the limiting slide block 35 to no longer be clamped into the adjacent limiting groove 32.
Advantageously, a main hydraulic device 19 is fixedly arranged on an inner wall of the device housing 11 on a side away from the auxiliary hydraulic device 30, a main telescopic rod 17 is cooperatively connected to the main hydraulic device 19, a main push plate 15 is fixedly arranged on the main telescopic rod 17, and when the main telescopic rod 17 extends, the main push plate 15 can drive the adaptive locking mechanism 902 on the support cross rod 18 to move towards the auxiliary hydraulic device 30.
Advantageously, a fixed bracket 40 is fixedly arranged on the inner wall of one side of the equipment housing 11, a motor 22 is fixedly arranged at one end of the fixed bracket 40, a motor shaft 24 is dynamically connected to the motor 22, a linkage gear 28 is fixedly arranged on the motor shaft 24, and the linkage gear 28 can be meshed and connected with the toothed part on each main body block 33 and the main L-shaped bracket 31.
Beneficially, one end of the fixing bracket 40, which is far away from the motor 22, is fixedly provided with a limiting electromagnet 20, the fixing bracket 40 is slidably provided with a magnetic limiting rod 23, the magnetic limiting rod 23 is connected with the limiting electromagnet 20 through the connecting spring 21, and when the magnetic limiting rod 23 is inserted into the corresponding square groove 39, the adaptive locking mechanism 902 can be limited.
Beneficially, each of the secondary L-shaped brackets 36 is provided with a lamp mounting position 37, and the bottom lamp mounting position 37 is provided with a lighting lamp 25.
Advantageously, a fixing block 29 is fixedly arranged on an inner wall of one side of the device housing 11, and the fixing block 29 can be slidably connected with each main body block 33 and the auxiliary L-shaped bracket 36, so as to ensure stable transportation of each adaptive locking mechanism 902, and a fixing rod 27 is fixedly arranged at one end of the device housing 11, so that a heavy object can be placed on the fixing rod 27 or the fixing rod 27 can be inserted into other fixed objects, thereby facilitating the fixing of the device housing 11.
Advantageously, a feeding through hole 16 is formed through an inner wall of the equipment housing 11 near the side of the support cross bar 18, a worker can take out the adaptive locking mechanism 902 or place the adaptive locking mechanism 902 into the equipment housing 11 through the feeding through hole 16, a releasing through hole 26 is formed through an inner wall of the equipment housing 11 near the side of the motor 22, and the adaptive locking mechanism 902 can be transported downward through the releasing through hole 26.
Initial state: there is an adaptive locking mechanism 902 slidably connected to the fixed block 29 and the magnetic stopper 23 is inserted into the corresponding square groove 39, the main push plate 15 is located near the main hydraulic device 19, the sub push plate 13 is located near the sub hydraulic device 30, and the magnetic stopper 23 is inserted into the corresponding square groove 39.
The use method of the invention comprises the following steps: when the invention is needed, a heavy object can be placed on the fixing rod 27 or the fixing rod 27 can be inserted into other fixed objects, so that the equipment shell 11 is fixed, a worker can put each adaptive locking mechanism 902 into the equipment shell 11 through the input through hole 16 and make each square groove 39 and the supporting cross rod 18 connected in a sliding way, after the placement is completed, the illuminating lamp 25 is installed in the lamp installation position 37 on the adaptive locking mechanism 902 connected in a sliding way with the fixed block 29, the auxiliary hydraulic device 30 works and extends the auxiliary telescopic rod 12, so that the auxiliary push plate 13 moves towards the main hydraulic equipment 19, when one end of the auxiliary push plate 13 far away from the auxiliary telescopic rod 12 is flush with one end of the fixed block 29 close to the motor 22, the auxiliary hydraulic device 30 stops working and the auxiliary telescopic rod 12 does not extend any more;
the motor 22 performs motor braking on the linkage gear 28 so that the adaptive locking mechanism 902 slidably connected with the fixed block 29 does not move at this time, the limiting electromagnet 20 is powered on and has opposite magnetism to the magnetic limiting rod 23, so that the magnetic limiting rod 23 moves towards the limiting electromagnet 20, the connecting spring 21 accumulates elastic potential energy, the main hydraulic equipment 19 is started and the main telescopic rod 17 is extended, the extended main telescopic rod 17 drives all the adaptive locking mechanisms 902 on the supporting cross rod 18 to move towards the auxiliary hydraulic equipment 30 through the main push plate 15, when the adaptive locking mechanism 902 closest to the auxiliary push plate 13 contacts with the auxiliary push plate 13, the main hydraulic equipment 19 stops working and the main telescopic rod 17 does not extend any more, during the primary extension of the main telescopic rod 17, the control electromagnet 14 is powered on and has opposite magnetism to the permanent magnet 41, so that when the permanent magnet 41 drives the corresponding limiting slider 35 to approach the auxiliary push plate 13, the limiting slide block 35 moves towards the control electromagnet 14, the return spring 34 accumulates elastic potential energy, the motor 22 enables the motor shaft 24 to rotate, the rotating motor shaft 24 drives the adaptive locking mechanism 902 to extend to the outside through the release through hole 26 through the linkage gear 28, and when the corresponding permanent magnet 41 is separated from the magnetic field range of the control electromagnet 14, the limiting slide block 35 is clamped into the corresponding limiting groove 32 under the action of the return spring 34, so that one-time release extension work is completed, and when a longer using length is needed, the steps are repeated;
when the adaptive locking mechanism 902 needs to be recovered, the auxiliary hydraulic device 30 controls the auxiliary telescopic rod 12 to be shortened and reset, at the moment, the auxiliary push plate 13 moves towards the auxiliary hydraulic device 30 and resets, because the control electromagnet 14 is longer, the magnetic field generated after the control electromagnet 14 is electrified still can affect the limiting slide block 35 on the adaptive locking mechanism 902 closest to the auxiliary push plate 13, at the moment, the limiting electromagnet 20 is electrified again to have magnetism and enable the magnetic limiting rod 23 to be close to the limiting electromagnet 20, the power supply system supplies power to 44 again, so that 43 is located in 42 again, at the moment, the control electromagnet 14 also has magnetism again, so that the limiting slide block 35 closest to the auxiliary push plate 13 slides into the control groove 38, at the moment, the main hydraulic equipment 19 controls the main telescopic rod 17 to extend and enable the adaptive locking mechanism 902 closest to be fixed leftwards and before to be separated, and a worker timely recovers the moving adaptive locking mechanism 902, at this time, the disassembling and recycling work of the adaptive locking mechanism 902 is completed once, at this time, after the main push plate 15 moves towards the main hydraulic equipment 19 for a distance adaptive to the width of the locking mechanism 902, the motor 22 is started reversely and the adaptive locking mechanism 902 is made to move upwards, and the disassembling and recycling work can be completed by repeating the above steps.
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 (8)
1. A temporary lighting device suitable for various height operations comprises a device shell, and is characterized in that: the equipment shell is internally provided with a releasing and recovering mechanism which can automatically carry out installation work when in need of use or automatically recover related parts after use;
a supporting cross rod is fixedly arranged on the inner wall of one side of the equipment shell, a plurality of adaptive locking mechanisms can be placed on the supporting cross rod, each adaptive locking mechanism comprises a main body block, a square groove is arranged in the main body block in a through manner, the square groove can be connected with the supporting cross rod in a sliding way, one end of the main body block is fixedly provided with a main L-shaped bracket, the other end of the main body block is fixedly provided with an auxiliary L-shaped bracket, the main body block is internally provided with a control groove, and one side of the control groove, which is close to the auxiliary L-shaped bracket, is opened, a limit slide block is connected in the control groove in a sliding way, the limiting slide block is connected with the inner wall of the control groove through a return spring, a permanent magnet is fixedly arranged on the limiting slide block, when the main L-shaped support is positioned between the adjacent main body block and the auxiliary L-shaped support, the two adaptive locking mechanisms are locked by clamping the limiting sliding block into the corresponding limiting groove.
2. A temporary lighting fixture suitable for use in various height tasks according to claim 1, wherein: release recovery mechanism including set firmly in the vice hydraulic means of equipment casing one side inner wall, the cooperation is connected with vice telescopic link on the vice hydraulic means, vice push pedal has set firmly on the vice telescopic link, the electromagnet is used in the control has set firmly on the vice push pedal, works as the electromagnet circular telegram is used in the control has and corresponds during the opposite magnetism of permanent magnet, can drive spacing slider no longer blocks into adjacently spacing inslot.
3. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: the inner wall of one side, away from the auxiliary hydraulic device, of the equipment shell is fixedly provided with a main hydraulic device, the main hydraulic device is connected with a main telescopic rod in a matching mode, a main push plate is fixedly arranged on the main telescopic rod, and when the main telescopic rod extends, the main push plate can drive the supporting cross rod to move towards the auxiliary hydraulic device through the adaptive locking mechanism.
4. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: the inner wall of one side of the equipment shell is fixedly provided with a fixed support, one end of the fixed support is fixedly provided with a motor, the motor is in power connection with a motor shaft, a linkage gear is fixedly arranged on the motor shaft, and the linkage gear can be in meshed connection with the toothed parts on the main body blocks and the main L-shaped support.
5. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: the fixed bolster is kept away from motor one end has set firmly spacing electromagnet, the slip is equipped with the magnetism gag lever post on the fixed bolster, the magnetism gag lever post with pass through between the spacing electromagnet connecting spring connects, works as the magnetism gag lever post inserts correspond during the square groove, can be right adaptation locking mechanism carries on spacingly.
6. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: and a lamp mounting position is arranged on each auxiliary L-shaped support, and a lighting lamp can be mounted at the bottom of each auxiliary L-shaped support.
7. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: the inner wall of one side of the equipment shell is fixedly provided with a fixing block, the fixing block can be connected with the main body block and the auxiliary L-shaped support in a sliding mode, so that stable transportation of the adaptive locking mechanism is guaranteed, one end of the equipment shell is fixedly provided with a fixing rod, heavy objects can be placed on the fixing rod or the fixing rod can be inserted into other fixed objects, and the equipment shell is convenient to fix.
8. A temporary lighting fixture suitable for use in various height tasks according to claim 2, wherein: the inner wall of the side, close to the supporting cross rod, of the equipment shell is provided with a feeding through hole in a penetrating mode, a worker can take out the adaptive locking mechanism or place the adaptive locking mechanism from the feeding through hole into the equipment shell, the inner wall, close to the side of the motor, of the equipment shell is provided with a releasing through hole in a penetrating mode, and the adaptive locking mechanism can be transported downwards through the releasing through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281837.8A CN112879876A (en) | 2021-03-16 | 2021-03-16 | Temporary lighting equipment suitable for various height operations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281837.8A CN112879876A (en) | 2021-03-16 | 2021-03-16 | Temporary lighting equipment suitable for various height operations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112879876A true CN112879876A (en) | 2021-06-01 |
Family
ID=76042684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110281837.8A Withdrawn CN112879876A (en) | 2021-03-16 | 2021-03-16 | Temporary lighting equipment suitable for various height operations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112879876A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207831191U (en) * | 2018-01-25 | 2018-09-07 | 李俊婕 | A kind of temporary lighting device that engineering construction uses |
| CN111156448A (en) * | 2020-02-14 | 2020-05-15 | 徐芬 | Night work light filling device for construction |
| CN111928129A (en) * | 2020-07-10 | 2020-11-13 | 王芳 | Temporary lighting device is used in mechanical equipment production |
| CN212565423U (en) * | 2020-06-10 | 2021-02-19 | 上海嘉广景观灯光设计有限公司 | Temporary lighting device for rail transit construction |
-
2021
- 2021-03-16 CN CN202110281837.8A patent/CN112879876A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207831191U (en) * | 2018-01-25 | 2018-09-07 | 李俊婕 | A kind of temporary lighting device that engineering construction uses |
| CN111156448A (en) * | 2020-02-14 | 2020-05-15 | 徐芬 | Night work light filling device for construction |
| CN212565423U (en) * | 2020-06-10 | 2021-02-19 | 上海嘉广景观灯光设计有限公司 | Temporary lighting device for rail transit construction |
| CN111928129A (en) * | 2020-07-10 | 2020-11-13 | 王芳 | Temporary lighting device is used in mechanical equipment production |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210601 |