CN106439752A - Automatically rising electric horizontal suspender - Google Patents
Automatically rising electric horizontal suspender Download PDFInfo
- Publication number
- CN106439752A CN106439752A CN201610924312.0A CN201610924312A CN106439752A CN 106439752 A CN106439752 A CN 106439752A CN 201610924312 A CN201610924312 A CN 201610924312A CN 106439752 A CN106439752 A CN 106439752A
- Authority
- CN
- China
- Prior art keywords
- pulley
- light
- bar
- wire casing
- ing
- 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.)
- Granted
Links
- 230000000630 rising effect Effects 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 18
- 230000001012 protector Effects 0.000 claims description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 5
- 235000011613 Pinus brutia Nutrition 0.000 claims description 5
- 241000018646 Pinus brutia Species 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
-
- 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
- F21V21/16—Adjustable mountings using wires or cords
-
- 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
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
- F21V21/38—Hoisting or lowering devices, e.g. for maintenance with a cable
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
-
- 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
- F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels
-
- 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
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relate to an automatically rising electric horizontal suspender. The automatically rising electric horizontal suspender comprises an equipment installing beam, a light slot, a light cable and a light hanging rod; the light slot is installed under the equipment installing beam in a hung mode through traction pieces; the light hanging rod is fixed under the light slot; a driving motor is installed on the lower portion of the inner side of the light slot; two circular discs are installed on the two sides of an output end of the driving motor correspondingly; each circular disc is connected with the lower ends of the traction pieces; angle pulleys are installed on the light slot located above the circular discs; hoisting pulley components are installed on the two ends of the light slot; the traction pieces wind through the angle pulleys and the hoisting pulleys, and the upper ends of the traction pieces are fixed to the lower surface of the equipment installing beam; rope loose and broken protective devices are installed on the lead-in side of the traction pieces of the hoisting pulley components; and overloading protecting devices are installed on the lead-out side of the traction pieces. The automatically rising electric horizontal suspender has the advantages that a steel structure layer is effectively reduced, height space of a studio is saved, light distribution of the studio is facilitated, the driving device can electrically descend to the position near the ground, and overhaul is convenient.
Description
Technical field
The present invention relates to being applied to the electronic back(ing) bar of middle-size and small-size studio hall, the particularly electronic back(ing) bar of jack up.
Background technology
Back(ing) bar can be used for the motor-driven erecting by overhang of studio hall, film canopy and arenas suspension lamp, and it is mainly used
Electric transmissio mechanism drives the back(ing) bar hanging with light fixture to rise, decline or parallel motion.
Because most of middle-size and small-size studio room height is relatively low, no Steel structure equipment layer, traditional studio light hangs
Bar, using row's rope structure, takes up room larger, does not possess mounting condition for middle-size and small-size studio, or excessively accounts for after installation
With studio height space it is impossible to rise to enough height when using, it is easily caused the situation exposed the false during shooting and occurs, impact
The performance recording of studio.
Traditional back(ing) bar, does not possess and is effectively protected device, and particularly in light of stage industry, back(ing) bar is wide
General be applied to hang be worth high stage lamp, once back(ing) bar wire cable rupture is pounded, related stage lamp is just
Can fall, thus the life of people or property can be damaged or damage.
Content of the invention
It is an object of the invention to overcoming the shortcoming of prior art, provide a kind of jack up electronic back(ing) bar, effectively
Deduction and exemption Steel structure equipment layer, saves studio height space, facilitates studio lighting, it is attached that driving means electronic can drop to ground
Closely, convenient maintenance.
The purpose of the present invention is achieved through the following technical solutions：The electronic back(ing) bar of jack up, including equipment mounting rail,
Light wire casing, light cable and pendant lamp bar, light wire casing is lifted on the lower section of equipment mounting rail by traction piece, light cable
Upper end is fixed on equipment mounting rail, and lower end can be accommodated in light wire casing, and pendant lamp bar is fixed on the lower section of light wire casing, institute
State light wire casing lower inside and motor be installed, the output end both sides of motor are respectively mounted disk, each disk with
The lower end of traction piece connects, and the light wire casing above disk is also equipped with angle pulley, the two ends of described light wire casing
Suspension centre pulley assembly is installed, traction piece is bypassed angle pulley, suspension centre pulley assembly, and upper end successively and is fixed on by fixed seat
On the lower surface of equipment mounting rail, the traction piece introducing side of described suspension centre pulley assembly is provided with loose rope broken protector, traction
Part outlet side is provided with overload protection arrangement.
On described light cable, interval is laid with folding cable device.
The upside of described light wire casing is provided with cable winder, the up big and down small hatch frame of described cable winder.
Described traction piece steel cable or steel band.
Described suspension centre pulley assembly includes pulley and pulley bracket, and pulley bracket is fixed on the side wall of light wire casing, sliding
Wheel is arranged on pulley bracket by rotating shaft.
Described overload protection arrangement includes adjusting rod, spring and overload push rod, and the upper articulation of adjusting rod is arranged on pulley
On support, the lower end of adjusting rod passes through spring support, and is fixed on the lower end of spring support, is provided with spring in spring support,
Spring is sleeved on adjusting rod, and spring can drive adjusting rod to move up and down with respect to spring support, and the top of adjusting rod is fixed
There is overload push rod.
Described overload push rod extends to the axis of pulley, and keeps at a certain distance away with the bottom land of pulley, and this distance is more than leads
Draw the thickness of part.
Described overload protection arrangement also includes limit switch, and limit switch is provided with banking stop near the side of pulley, spacing
Switch is connected with motor.
Described pine rope broken protector is additionally provided with locking push rod near the side of pulley, and described locking push rod is to pulley
Axis extends.
The present invention has advantages below：
1st, it is stacked in light wire casing using the light cable of band type structure, drive mechanism is integrated into light wire casing simultaneously
Interior, it is not take up the space of more than equipment mounting rail, effectively reduces or remits Steel structure equipment layer, save studio height space, convenient
Studio lighting.
2nd, pendant lamp bar electronic can be dropped to Near Ground by inventive drive means, be easy to keep in repair.
3rd, the present invention is provided with loose rope broken protector, traction piece outlet side in the traction piece introducing side of suspension centre pulley assembly
It is provided with overload protection arrangement, can prevent load bust from being zero or in the case that load jumps beyond load capacity, occur unexpected
Security incident, simultaneously control motor stop operating, prevent because load excessive, motor damage.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view structural representation of Fig. 1；
Fig. 3 is the structural representation of overload protection arrangement；
In figure：1- equipment mounting rail, 2- light wire casing, 3- rolls over cable device, 4- light cable, 5- cable winder, 6- pendant lamp
Bar, 7- motor, 8- disk, 9- fixed seat, 10- traction piece, 11- angle pulley, 12- suspension centre pulley assembly, 13- overload is protected
Protection unit, 14- pine rope broken protector, 15- pulley bracket, 16- pulley, 17- spring support, 18- adjusting rod, 19- spring,
20- limit switch, 21- transships push rod, 22- banking stop, the locking push rod of 23-.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As depicted in figs. 1 and 2, the electronic back(ing) bar of jack up, including equipment mounting rail 1, light wire casing 2, light cable 4
With pendant lamp bar 6, light wire casing 2 is lifted on the lower section of equipment mounting rail 1 by traction piece 10, and the upper end of light cable 4 is fixed on
On equipment mounting rail 1, lower end can be accommodated in light wire casing 2, and pendant lamp bar 6 is fixed on the lower section of light wire casing 2, described light
Wire casing 2 lower inside is provided with motor 7, and the output end both sides of motor 7 are respectively mounted disk 8, each disk 8 with lead
The lower end drawing part 10 connects, and is also equipped with angle pulley 11 on the light wire casing 2 of disk 8 top, described light wire casing 2
Two ends are provided with suspension centre pulley assembly 12, and traction piece 10 bypasses angle pulley 11, suspension centre pulley assembly 12, and upper end successively to be passed through
Fixed seat 9 is fixed on the lower surface of equipment mounting rail 1, and the traction piece introducing side of described suspension centre pulley assembly 12 is provided with pine and breaks
Rope protection device 14, suspension rod load is dashed forward when dropping to approximately zero, then trigger loose rope broken protector 14, and motor 7 stops operating,
Traction piece outlet side is provided with overload protection arrangement 13, and when suspension rod load is excessive, overload protection arrangement 13 is triggered, and drives electricity
Machine 7 stops operating, and realizes overload protection.
On described light cable 4, interval is laid with folding cable device 3, and folding cable device 3 makes light cable 4 according to certain order
Auto-folder is in light wire casing 2.
The upside of described light wire casing 2 is provided with cable winder 5, the up big and down small hatch frame of described cable winder 5, and this is opened
Mouth structure plays certain guide effect, and makes light cable 4 be easier to introduce in light wire casing 2.
Described traction piece 10 steel cable or steel band, each disk 8 is fixed two traction pieces 10, two drawing from disk 8
Traction piece 10 bypasses the angle pulley 11 in same vertical plane respectively, and four traction pieces 10 of two disk 8 extractions can connect
On four hoisting point positions of equipment mounting rail 1.
As shown in figure 3, described suspension centre pulley assembly 12 includes pulley 16 and pulley bracket 15, pulley bracket 15 is fixed on lamp
On the side wall of light wire casing 2, pulley 16 is arranged on pulley bracket 15 by rotating shaft.
As shown in figure 3, described overload protection arrangement 13 includes adjusting rod 18, spring 19 and overload push rod 21, adjusting rod 18
Upper articulation be arranged on pulley bracket 15, the lower end of adjusting rod 18 passes through spring support 17, and is fixed on spring support 17
Lower end, spring 19 is installed in spring support 17, spring 19 is sleeved on adjusting rod 18, and spring 19 can drive adjusting rod 18
Move up and down with respect to spring support 17, the top of adjusting rod 18 is fixed with overload push rod 21.
Preferably, described overload push rod 21 extends to the axis of pulley 16, and is spaced necessarily with the bottom land of pulley 16
Distance, this distance is more than the thickness of traction piece 10.When not transshipping, between overload push rod 21 and traction piece 10 surface, there is a spacing
From the rotation of without prejudice to pulley 16；During overload, pulley 16 moves a certain distance so that traction piece 10 and mistake to overload push rod 21
Carry push rod 21 to contact, hinder pulley 16 to be rotated further, play antioverloading effect.
As shown in figure 3, described overload protection arrangement 13 also includes limit switch 20, limit switch 20 is near the one of pulley 16
Side is provided with banking stop 22, and limit switch 20 is connected with motor 7, when due to overload, traction piece 10 pulls pulley 16 to overload
Protection device 13 side produces certain displacement, and banking stop 22 is contacted with traction piece 10, triggers limit switch 20, and motor 7 stops
Rotation stop is moved.
Described pine rope broken protector 14 is additionally provided with locking push rod 23, described locking push rod 23 near the side of pulley 16
Extend to the axis of pulley 16.
The course of work of the present invention is as follows：During rising, motor 7 rotates, and tightens up traction piece 10, pendant lamp bar 6 is with lamp
Light wire casing 2 moves up, and light cable 4 is sequentially stacked in light wire casing 2；During decline, motor 7 inverts, and loosens traction
Part 10, pendant lamp bar 6 moves down with light wire casing 2, and light cable 4 pulls out from light wire casing 2 successively.When the load, pulley
16 move a certain distance to overload push rod 21 so that traction piece 10 is contacted with overload push rod 21, hinder pulley 16 to be rotated further, rise
To antioverloading effect；Suspension rod load is dashed forward when dropping to approximately zero, then trigger loose rope broken protector 14, and locking push rod 23 holds out against traction
Part 10, plays protective action.
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art,
It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc.
With replacement, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in this
Within the protection domain of invention.
Claims (9)
1. the electronic back(ing) bar of jack up, including equipment mounting rail (1), light wire casing (2), light cable (4) and pendant lamp bar
(6), light wire casing (2) is lifted on the lower section of equipment mounting rail (1) by traction piece (10), and the upper end of light cable (4) is fixed
On equipment mounting rail (1), lower end can be accommodated in light wire casing (2), and pendant lamp bar (6) is fixed under light wire casing (2)
Side it is characterised in that：Described light wire casing (2) lower inside is provided with motor (7), the output end two of motor (7)
Side is respectively mounted disk (8), and each disk (8) is connected with the lower end of traction piece (10), the light wire casing above disk (8)
(2) it is also equipped with angle pulley (11) on, the two ends of described light wire casing (2) are provided with suspension centre pulley assembly (12), traction piece
(10) bypass angle pulley (11), suspension centre pulley assembly (12), and upper end successively and equipment mounting rail is fixed on by fixed seat (9)
(1) on lower surface, the traction piece introducing side of described suspension centre pulley assembly (12) is provided with loose rope broken protector (14), traction
Part outlet side is provided with overload protection arrangement (13).
2. according to claim 1 the electronic back(ing) bar of jack up it is characterised in that：Described light cable (4) is upper to be spaced cloth
It is provided with folding cable device (3).
3. according to claim 1 the electronic back(ing) bar of jack up it is characterised in that：The upside of described light wire casing (2) sets
There are cable winder (5), the up big and down small hatch frame of described cable winder (5).
4. according to claim 1 the electronic back(ing) bar of jack up it is characterised in that：Described traction piece (10) steel cable or steel
Band.
5. according to claim 1 the electronic back(ing) bar of jack up it is characterised in that：Described suspension centre pulley assembly (12) includes
Pulley (16) and pulley bracket (15), pulley bracket (15) is fixed on the side wall of light wire casing (2), and pulley (16) passes through rotating shaft
It is arranged on pulley bracket (15).
6. according to claim 5 the electronic back(ing) bar of jack up it is characterised in that：Described overload protection arrangement (13) includes
Adjusting rod (18), spring (19) and overload push rod (21), the upper articulation of adjusting rod (18) is arranged on pulley bracket (15), adjusts
The lower end of pole (18) passes through spring support (17), and is fixed on the lower end of spring support (17), installs in spring support (17)
There is spring (19), spring (19) is sleeved on adjusting rod (18), spring (19) can drive adjusting rod (18) to prop up with respect to spring
Frame (17) moves up and down, and the top of adjusting rod (18) is fixed with overload push rod (21).
7. according to claim 6 the electronic back(ing) bar of jack up it is characterised in that：Described overload push rod (21) is to pulley
(16) axis extends, and keeps at a certain distance away with the bottom land of pulley (16), and this distance is more than the thickness of traction piece (10).
8. according to claim 6 the electronic back(ing) bar of jack up it is characterised in that：Described overload protection arrangement (13) is also wrapped
Include limit switch (20), limit switch (20) is provided with banking stop (22), limit switch (20) and drive near the side of pulley (16)
Dynamic motor (7) connects.
9. according to claim 1 the electronic back(ing) bar of jack up it is characterised in that：Described pine rope broken protector (14) is leaned on
The side of nearly pulley (16) is additionally provided with locking push rod (23), and described locking push rod (23) extends to the axis of pulley (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924312.0A CN106439752B (en) | 2016-10-24 | 2016-10-24 | Self-lifting electric horizontal suspension rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924312.0A CN106439752B (en) | 2016-10-24 | 2016-10-24 | Self-lifting electric horizontal suspension rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439752A true CN106439752A (en) | 2017-02-22 |
| CN106439752B CN106439752B (en) | 2022-12-13 |
Family
ID=58175786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610924312.0A Active CN106439752B (en) | 2016-10-24 | 2016-10-24 | Self-lifting electric horizontal suspension rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439752B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895343A (en) * | 2017-03-20 | 2017-06-27 | 东莞市尤海机械科技有限公司 | A kind of electric power first-aid device |
| CN106982947A (en) * | 2017-04-05 | 2017-07-28 | 随州神农茶业有限公司 | A kind of tea aroma raising device |
| CN108726273A (en) * | 2018-05-31 | 2018-11-02 | 江苏源丰智能科技有限公司 | Automatic collapsible type take-up is arranged |
| CN109058859A (en) * | 2018-08-31 | 2018-12-21 | 李胜涛 | A kind of Multifunctional suspension hanging LED light frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1138157A (en) * | 1965-04-23 | 1968-12-27 | Asea Ab | Improved pulley block |
| FR2576275A1 (en) * | 1985-01-22 | 1986-07-25 | Huret & Fils | Operating mechanism for bicycle derailleur gear change |
| CN101059235A (en) * | 2007-05-29 | 2007-10-24 | 北京星光影视设备科技股份有限公司 | Butterfly-shaped turning lifting lamp row |
| CN101219761A (en) * | 2008-02-04 | 2008-07-16 | 北京星光影视设备科技股份有限公司 | Mini type back bar |
| CN203048350U (en) * | 2013-01-11 | 2013-07-10 | 江苏申锡建筑机械有限公司 | Overload protection mechanism of lifting device for hanging basket |
| CN206093958U (en) * | 2016-10-24 | 2017-04-12 | 浙江大丰实业股份有限公司 | From electronic horizontal suspender of lift -type |
-
2016
- 2016-10-24 CN CN201610924312.0A patent/CN106439752B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1138157A (en) * | 1965-04-23 | 1968-12-27 | Asea Ab | Improved pulley block |
| FR2576275A1 (en) * | 1985-01-22 | 1986-07-25 | Huret & Fils | Operating mechanism for bicycle derailleur gear change |
| CN101059235A (en) * | 2007-05-29 | 2007-10-24 | 北京星光影视设备科技股份有限公司 | Butterfly-shaped turning lifting lamp row |
| CN101219761A (en) * | 2008-02-04 | 2008-07-16 | 北京星光影视设备科技股份有限公司 | Mini type back bar |
| CN203048350U (en) * | 2013-01-11 | 2013-07-10 | 江苏申锡建筑机械有限公司 | Overload protection mechanism of lifting device for hanging basket |
| CN206093958U (en) * | 2016-10-24 | 2017-04-12 | 浙江大丰实业股份有限公司 | From electronic horizontal suspender of lift -type |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895343A (en) * | 2017-03-20 | 2017-06-27 | 东莞市尤海机械科技有限公司 | A kind of electric power first-aid device |
| CN106982947A (en) * | 2017-04-05 | 2017-07-28 | 随州神农茶业有限公司 | A kind of tea aroma raising device |
| CN108726273A (en) * | 2018-05-31 | 2018-11-02 | 江苏源丰智能科技有限公司 | Automatic collapsible type take-up is arranged |
| CN109058859A (en) * | 2018-08-31 | 2018-12-21 | 李胜涛 | A kind of Multifunctional suspension hanging LED light frame |
| CN109058859B (en) * | 2018-08-31 | 2020-10-16 | 扬州金钧照明有限公司 | Multifunctional suspension type LED lamp holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439752B (en) | 2022-12-13 |
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