CN106402759B - Suspension electric back(ing) bar - Google Patents
Suspension electric back(ing) bar Download PDFInfo
- Publication number
- CN106402759B CN106402759B CN201610924290.8A CN201610924290A CN106402759B CN 106402759 B CN106402759 B CN 106402759B CN 201610924290 A CN201610924290 A CN 201610924290A CN 106402759 B CN106402759 B CN 106402759B
- Authority
- CN
- China
- Prior art keywords
- fixed
- pulley
- wire casing
- traction piece
- 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.)
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- 239000000725 suspension Substances 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000001012 protector Effects 0.000 claims abstract description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 4
- 235000011613 Pinus brutia Nutrition 0.000 claims description 4
- 241000018646 Pinus brutia Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
-
- 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
-
- 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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/10—Safety devices structurally associated with lighting devices coming into action when lighting device is overloaded, e.g. thermal switch
-
- 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)
Abstract
The present invention relates to suspension electric back(ing) bars, including mounting rail, wire casing, light cable and lamp stand, wire casing is lifted on the lower section of mounting rail by traction piece, the upper end of light cable is fixed on mounting rail, lower end can be accommodated in wire casing, lamp stand is fixed on the lower section of wire casing, the lower section side of mounting rail is fixed with drive installation seat, driving motor is installed in drive installation seat, disk and diverting pulley pack, the output end and disk of driving motor are sequentially connected, driving motor can drive disk rotational, one end of traction piece is fixed on disk, the other end successively bypasses diverting pulley pack and suspension centre pulley assembly, and it is fixed on wire casing, the traction piece introducing side of diverting pulley pack is provided with loose rope broken protector, traction piece outlet side is provided with overload protection arrangement.The present invention has the advantages that effectively reducing or remitting Steel structure equipment layer, studio height space is saved, facilitates studio lighting, driving device electronic can drop to Near Ground, convenient to overhaul.
Description
Technical field
The present invention relates to the electronic back(ing) bars for being applied to middle-size and small-size studio hall, especially suspension electric back(ing) bar.
Background technique
Back(ing) bar can be used for the motor-driven erecting by overhang of studio hall, film canopy and arenas suspension lamp, it is mainly used
Electric transmissio mechanism drives the back(ing) bar up and down or parallel motion for hanging with lamps and lanterns.
Due to most of middle-size and small-size studio room height is lower, without Steel structure equipment layer, traditional studio is hung with light
For bar using row's rope structure, occupied space is larger, excessively accounts for after not having mounting condition, or installation for middle-size and small-size studio
With studio height space, enough height can not be promoted when in use, are easily led to the situation exposed the false when shooting and are occurred, influence
The performance recording of studio.
Traditional back(ing) bar does not have effective protective device, and especially in light of stage industry, back(ing) bar is wide
General to be applied to the high stage lamp of hanging value, once back(ing) bar wire cable rupture is pounded, relevant stage lamp is just
Can fall, thus can life to people or property damage or damage.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of suspension electric back(ing) bar, effectively
Steel structure equipment layer is reduced or remitted, studio height space is saved, facilitates studio lighting, it is attached that driving device electronic can drop to ground
Closely, convenient to overhaul.
The purpose of the present invention is achieved through the following technical solutions: suspension electric back(ing) bar, including mounting rail, line
Slot, light cable and lamp stand, wire casing are lifted on the lower section of mounting rail by traction piece, and the upper end of light cable is fixed on mounting rail
On, lower end can be accommodated in wire casing, and lamp stand is fixed on the lower section of wire casing, and the lower section side of the mounting rail is fixed with driving peace
Seat is filled, driving motor, disk and diverting pulley pack are installed in drive installation seat, the output end and disk of driving motor are driven
Connection, driving motor can drive disk rotational, and one end of the traction piece is fixed on disk, and the other end successively bypasses steering
Pulley assembly and suspension centre pulley assembly, and be fixed on wire casing, the traction piece introducing side of the diverting pulley pack is provided with pine
Rope broken protector, traction piece outlet side are provided with overload protection arrangement.
Fixed on the wire casing there are four connection components, and lower end of each connection component respectively with a traction piece is fixed
Connection.
The mounting rail is aluminum alloy rail.
Interval is laid with folding cable device on the light cable, and the upside of the wire casing is equipped with cable winder, the take-up
The up big and down small hatch frame of device.
The disk includes shaft and runner, and shaft is installed in rotation in drive installation seat, the two sides difference of shaft
It is fixed with runner, the end of the traction piece is fixed in the race of runner, and the shaft and driving motor are sequentially connected.
The diverting pulley pack includes pulley and pulley bracket, and pulley bracket is fixed on the side wall of drive installation seat,
Pulley is mounted on pulley bracket by axis.
The overload protection arrangement includes adjusting rod, spring and overload push rod, and the top of adjusting rod is hingedly mounted on pulley
On bracket, the lower end of adjusting rod passes through spring support, and is fixed on the lower end of spring support, is equipped with spring in spring support,
Spring pocket is on adjusting rod, and spring is able to drive adjusting rod and moves up and down relative to spring support, and the top of adjusting rod is fixed
There is overload push rod.
The overload push rod extends to the axis of pulley, and spaced apart with the slot bottom of pulley, which, which is greater than, leads
Draw the thickness of part.
The overload protection arrangement further includes limit switch, and limit switch is equipped with limit film, limit close to the side of pulley
Switch is connect with driving motor.
The pine rope broken protector is additionally provided with locking disconnected push rod close to the side of pulley, and the locking disconnected push rod is to cunning
The axis of wheel extends.
The invention has the following advantages that
1, when wire casing, lamp stand rise or fall, light cable can be accommodated in wire casing, prevented cable clutter and caused
Security risk.
2, the present invention is provided with loose rope broken protector, traction piece outlet side in the traction piece introducing side of diverting pulley pack
It is provided with overload protection arrangement, can prevent load bust is zero or in the case that load jumps beyond load capacity, is occurred unexpected
Safety accident, while controlling driving motor and stopping operating, prevent because load is excessive, driving motor damage.
3, overload protection arrangement of the invention detects the lateral displacement of traction piece by limit film, triggers overload protection arrangement
When high sensitivity, and reliability is higher.
4, drive part is fixed on the downside of mounting rail, is not take up the space of equipment mounting rail or more, effectively reduces or remits steel
Structural device layer saves studio height space, facilitates studio lighting.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
The left view structural representation that Fig. 2 is Fig. 1；
Fig. 3 is the structural schematic diagram of overload protection arrangement；
In figure: 1- mounting rail, 2- wire casing, 3- roll over cable device, 4- light cable, 5- cable winder, 6- lamp stand, 7- driving peace
Dress seat, 8- driving motor, 9- disk, 10- diverting pulley pack, 11- suspension centre pulley assembly, 12- traction piece, 13- connection component,
14- shaft, 15- runner, 16- pulley bracket, 17- pulley, 18- spring support, 19- adjusting rod, 20- spring, 21- limit are opened
It closes, 22- overloads push rod, 23- limit film, the locking disconnected push rod of 24-.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, suspension electric back(ing) bar, including mounting rail 1, wire casing 2, light cable 4 and lamp stand 6, wire casing 2
The lower section of mounting rail 1 is lifted on by traction piece 12, the upper end of light cable 4 is fixed on mounting rail 1, and lower end can be accommodated in
In wire casing 2, lamp stand 6 is fixed on the lower section of wire casing 2, and the lower section side of the mounting rail 1 is fixed with drive installation seat 7, driving peace
Driving motor 8, disk 9 and diverting pulley pack 10 are installed, output end and disk 9 transmission of driving motor 8 connect on dress seat 7
It connects, driving motor 8 can drive disk 9 to rotate, and one end of the traction piece 12 is fixed on the disk 9, and the other end successively bypasses
Diverting pulley pack 10 and suspension centre pulley assembly 11, and be fixed on wire casing 2, the traction piece of the diverting pulley pack 10 introduces
Side is provided with loose rope broken protector, and sunpender load is prominent when dropping to approximately zero, then triggers loose rope broken protector, driving motor 8
It stopping operating, traction piece outlet side is provided with overload protection arrangement, and when sunpender load is excessive, overload protection arrangement is triggered,
Driving motor 8 stops operating, and realizes overload protection.
It is fixed there are four connection component 13 on the wire casing 2, each connection component 13 respectively with traction piece 12
Lower end is fixedly connected, and connection type is simple, easy for installation.
The mounting rail 1 is aluminum alloy rail, and rigidity is moderate, meets installation requirement, using aluminum alloy material, quality
Gently, more securely and reliably.
Interval is laid with folding cable device 3 on the light cable 4, and the upside of the wire casing 2 is equipped with cable winder 5, described
The up big and down small hatch frame of cable winder 5, the hatch frame play certain guiding role, and make light cable 4 more
It is easy in storage leading groove 2.
The disk 9 includes shaft 14 and runner 15, and shaft 14 is installed in rotation in drive installation seat 7, shaft 14
Two sides be respectively fixed with runner 15, the traction piece 12 is steel cable or steel band, and the end of traction piece 12 is fixed on runner 15
In race, the shaft 14 is sequentially connected with driving motor 8.
The diverting pulley pack 10 includes pulley 17 and pulley bracket 16, and pulley bracket 16 is fixed on drive installation seat 7
Side wall on, pulley 17 is mounted on pulley bracket 16 by axis.
The overload protection arrangement includes adjusting rod 19, spring 20 and overload push rod 22, and the top of adjusting rod 19 is hingedly pacified
On pulley bracket 16, the lower end of adjusting rod 19 passes through spring support 18, and is fixed on the lower end of spring support 18, spring branch
Spring 20 is installed, spring 20 is sleeved on adjusting rod 19, and spring 20 is able to drive adjusting rod 19 relative to spring branch in frame 18
Frame 18 moves up and down, and the top of adjusting rod 19 is fixed with overload push rod 22.
The overload push rod 22 extends to the axis of pulley 17, and, the distance spaced apart with the slot bottom of pulley 17
Greater than the thickness of traction piece 12, when not overloading, overloading between push rod 22 and 12 surface of traction piece has certain distance, does not interfere pulley
17 rotation；When overload, pulley 17 is moved a certain distance to overload push rod 22, so that traction piece 12 is contacted with overload push rod 22,
It hinders pulley 17 to continue to rotate, plays the role of antioverloading.
The overload protection arrangement further includes limit switch 21, and limit switch 21 is equipped with limit film close to the side of pulley 17
23, limit switch 21 is connect with driving motor 8, and when the load, traction piece 12 pulls pulley 17 to produce to overload protection arrangement side
Raw certain displacement, limit film 23 are contacted with traction piece 12, trigger limit switch 21, and driving motor 8 stops operating.
The pine rope broken protector is additionally provided with locking disconnected push rod 24, the locking disconnected push rod close to the side of pulley 17
24 extend to the axis of pulley 17.
The course of work of the invention is as follows: when rising, driving motor 8 is rotated, and tightens traction piece 12, lamp stand 6 is with wire casing 2
It moves up, light cable 4 is sequentially stacked in wire casing 2；When decline, driving motor 8 is inverted, and loosens traction piece 12, lamp stand 6 with
Wire casing 2 move down, light cable 4 successively from wire casing 2 pull out.When the load, pulley 17 is mobile certain to overload push rod 21
Distance hinders pulley 17 to continue to rotate, plays the role of antioverloading so that traction piece 12 is contacted with overload push rod 22；Sunpender load
It is prominent when dropping to approximately zero, then loose rope broken protector is triggered, locking push rod 24 holds out against traction piece 12, plays protective action.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (8)
1. suspension electric back(ing) bar, including mounting rail (1), wire casing (2), light cable (4) and lamp stand (6), wire casing (2) is logical
The lower section that traction piece (12) is lifted on mounting rail (1) is crossed, the upper end of light cable (4) is fixed on mounting rail (1), and lower end can
It is accommodated in wire casing (2), lamp stand (6) is fixed on the lower section of wire casing (2), it is characterised in that: the lower section side of the mounting rail (1)
It is fixed with drive installation seat (7), driving motor (8), disk (9) and diverting pulley pack is installed in drive installation seat (7)
(10), the output end of driving motor (8) and disk (9) are sequentially connected, and driving motor (8) can drive disk (9) to rotate, described
One end of traction piece (12) is fixed on disk (9), and the other end successively bypasses diverting pulley pack (10) and suspension centre pulley assembly
(11), it and is fixed on wire casing (2), the traction piece introducing side of the diverting pulley pack (10) is provided with loose breaking rope protecting dress
It sets, traction piece outlet side is provided with overload protection arrangement, and the diverting pulley pack (10) includes pulley (17) and pulley bracket
(16), pulley bracket (16) is fixed on the side wall of drive installation seat (7), and pulley (17) is mounted on pulley bracket (16) by axis
On；The overload protection arrangement includes that adjusting rod (19), spring (20) and overload push rod (22), the top of adjusting rod (19) are hinged
It is mounted on pulley bracket (16), the lower end of adjusting rod (19) passes through spring support (18), and is fixed on spring support (18)
Lower end, spring support (18) is interior to be equipped with spring (20), and spring (20) is sleeved on adjusting rod (19), and spring (20) is able to drive
Adjusting rod (19) is moved up and down relative to spring support (18), and the top of adjusting rod (19) is fixed with overload push rod (22).
2. suspension electric back(ing) bar according to claim 1, it is characterised in that: be fixed on the wire casing (2)
Four connection components (13), each connection component (13) are fixedly connected with the lower end of a traction piece (12) respectively.
3. suspension electric back(ing) bar according to claim 1, it is characterised in that: the mounting rail (1) is aluminium conjunction
Golden track.
4. suspension electric back(ing) bar according to claim 1, it is characterised in that: be spaced on the light cable (4)
It is laid with folding cable device (3), the upside of the wire casing (2) is equipped with cable winder (5), and the cable winder (5) is up big and down small
Hatch frame.
5. suspension electric back(ing) bar according to claim 1, it is characterised in that: the disk (9) includes shaft
(14) it is installed in rotation on drive installation seat (7) with runner (15), shaft (14), the two sides of shaft (14) are respectively fixed with
The end of runner (15), the traction piece (12) is fixed in the race of runner (15), the shaft (14) and driving motor (8)
Transmission connection.
6. suspension electric back(ing) bar according to claim 1, it is characterised in that: the overload push rod (22) is to pulley
(17) axis extends, and spaced apart with the slot bottom of pulley (17), which is greater than the thickness of traction piece (12).
7. suspension electric back(ing) bar according to claim 1, it is characterised in that: the overload protection arrangement further includes
Limit switch (21), limit switch (21) are equipped with limit film (23) close to the side of pulley (17), limit switch (21) and driving
Motor (8) connection.
8. suspension electric back(ing) bar according to claim 1, it is characterised in that: the pine rope broken protector is close
The side of pulley (17) is additionally provided with locking disconnected push rod (24), and the locking disconnected push rod (24) extends to the axis of pulley (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924290.8A CN106402759B (en) | 2016-10-24 | 2016-10-24 | Suspension electric back(ing) bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924290.8A CN106402759B (en) | 2016-10-24 | 2016-10-24 | Suspension electric back(ing) bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402759A CN106402759A (en) | 2017-02-15 |
| CN106402759B true CN106402759B (en) | 2019-02-01 |
Family
ID=58012695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610924290.8A Active CN106402759B (en) | 2016-10-24 | 2016-10-24 | Suspension electric back(ing) bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402759B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058859B (en) * | 2018-08-31 | 2020-10-16 | 扬州金钧照明有限公司 | Multifunctional suspension type LED lamp holder |
| CN115325493B (en) * | 2022-08-24 | 2024-02-20 | 广东爱唯视医疗科技有限公司 | Healthy light based on morning spectrum technique |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090472U (en) * | 1991-01-24 | 1991-12-11 | 机械电子工业部第一设计研究院 | Trunking track type combined fluorescent lamp fixture |
| FR2837560B1 (en) * | 2002-03-20 | 2006-04-07 | Cds Light | MOTORIZED CARRIER FOR LIGHTING SCENES |
| CN201047569Y (en) * | 2007-06-08 | 2008-04-16 | 北京星光影视设备科技股份有限公司 | Multifunctional back bar |
| CN201223575Y (en) * | 2008-06-05 | 2009-04-22 | 吴开华 | Suspended ceiling type omnibearing sterilizing and disinfecting device |
| 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 |
| CN203794576U (en) * | 2014-04-24 | 2014-08-27 | 广州马其纳工程技术有限公司 | Hanger |
| CN206093780U (en) * | 2016-10-24 | 2017-04-12 | 浙江大丰实业股份有限公司 | Electronic horizontal suspender of suspension type |
-
2016
- 2016-10-24 CN CN201610924290.8A patent/CN106402759B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106402759A (en) | 2017-02-15 |
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