CN103453456A - Pull type vibration isolation component, vibration isolation array and suspending lamp - Google Patents
Pull type vibration isolation component, vibration isolation array and suspending lamp Download PDFInfo
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- CN103453456A CN103453456A CN2012101769356A CN201210176935A CN103453456A CN 103453456 A CN103453456 A CN 103453456A CN 2012101769356 A CN2012101769356 A CN 2012101769356A CN 201210176935 A CN201210176935 A CN 201210176935A CN 103453456 A CN103453456 A CN 103453456A
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Abstract
A pull type vibration isolation component comprises a fixed support, an 'n'-shaped movable support, a screw, two transverse vibration isolation rubber pads and two longitudinal vibration isolation rubber pads. The fixed support comprises a base plate and two side walls. The two side walls are parallelly connected to two ends of the base plate. The free ends of the two side walls oppositely bend. The two transverse vibration isolation rubber pads are parallelly fixed at two ends of the base plate. Two bent parts of the movable support are accommodated in the fixed support and respectively fixed at one ends, away from the base plate, of the transverse vibration isolation rubber pads. Each longitudinal vibration isolation rubber pad is fixedly connected between the two bent parts of the movable support and the free ends of the two side walls. The thickness of each longitudinal vibration isolation rubber pad is smaller than that of each transverse vibration isolation rubber pad. The screw is fixed in the middle of the movable support. The pull type vibration isolation component has the advantages that a certain rigidity is provided by the aid of the fixed support and the movable support, and excitation input energy is consumed by the transverse vibration isolation rubber pads and the longitudinal vibration isolation rubber pads. In addition, the invention further provides a vibration isolation array and suspending lamp with the pull type vibration isolation component.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of pull-type vibration isolation assembly, vibration isolation array and lift-on/lift-off type light fixture.
Background technology
At present, in the illumination field, professional lift-on/lift-off type light fixture will be continued, strong vibrational excitation.Yet the lift-on/lift-off type lamp vibration isolator that also there is no supporting specialty is at present isolated lift-on/lift-off type light fixture and excitation vibration source fully, specialty lift-on/lift-off type light fixture or other light beam formula optical devices are in order to obtain at a distance accurately light projector angle in middle high-intensity oscillation occasion and high acceleration shock occasion, just must use the carbon steel support of the different-thickness that rigidity is less, but thinner support often is difficult to bear above acceleration, very easily cause the fracture failure of support after exceeding the working strength of support, and the intrinsic frequency that metallic support can only partly be avoided the lift-on/lift-off type lamp light source can not consume the energy of vibration.
The big-and-middle-sized lift-on/lift-off type lamp vibration isolator also had at present is generally to adopt the method that installs flexible member additional to improve rigidity vibration isolation (the employing air spring is also arranged), its mode is highly suitable for isolated high frequency pumping input, but rubber shock absorber rigidity is excessive, the vibrating isolation system intrinsic frequency is higher, only radio-frequency component is worked, inoperative to intermediate frequency and low frequency impact composition, amplified on the contrary excitation, can not be applied to the low-frequency vibration place of small-sized lift-on/lift-off type light fixture, so in order to improve light lifting formula light fixture (below 5 kilograms) vibration isolation ability, not only to make the intrinsic amplitude-frequency rate of vibrating isolation system as far as possible low, more want response speed very soon and sticky kettle damping to be arranged in order to consume vibrational energy.
Summary of the invention
The object of the present invention is to provide the low pull-type vibration isolation assembly of pendent lamp, vibration isolation array and the lift-on/lift-off type light fixture that can consume again excitation input energy of a kind of intrinsic frequency.
In order to solve the problems of the technologies described above, the invention provides a kind of pull-type vibration isolation assembly, described pull-type vibration isolation assembly comprises fixed support, travel(l)ing rest, spiro connecting piece, two horizontal partiting polarization rubber pads and two vertical partiting polarization rubber pads, described fixed support comprises base plate and two sidewalls, described two parallel sidewalls are connected in the two ends of described base plate, the free end of described two sidewalls bends in opposite directions, and bending angle is right angle, the parallel two ends of being fixed in described base plate of described two horizontal partiting polarization rubber pads, and be arranged between described two sidewalls, described travel(l)ing rest is "Ji" type, two bending parts of described travel(l)ing rest are contained in described fixed support, and be individually fixed in the end of described horizontal partiting polarization rubber pad away from described base plate, described travel(l)ing rest and described fixed support matched in clearance, described each vertical partiting polarization rubber pad is fixedly connected between the free end of two bending parts of described travel(l)ing rest and described two sidewalls, described each vertical partiting polarization rubber pad is less than the thickness of each described horizontal partiting polarization rubber pad along described sidewall bearing of trend along the thickness of described sidewall bearing of trend, described spiro connecting piece is fixed in the middle part of described travel(l)ing rest.
Wherein, described pull-type vibration isolation assembly also comprises nut, and described base plate is offered the first through hole, and described nut is contained in described fixed support, and described nut is fixed on described base plate, and concentric with described the first through hole.
Wherein, described horizontal partiting polarization rubber pad and vertical partiting polarization rubber pad adopt in butyl rubber, silicon rubber and metal-rubber any one.
Wherein, described fixed support, travel(l)ing rest, spiro connecting piece and nut all adopt austenitic stainless steel punching press cold working to make.
Wherein, described spiro connecting piece adopts screw rod, and described spiro connecting piece comprises bolt head and double-screw bolt, and described bolt head is fixed between described two bending parts, and the middle part of described travel(l)ing rest offers the second through hole, and the screw rod of described spiro connecting piece runs through described the second through hole.
Wherein, the gap between described travel(l)ing rest and described fixed support is 1 millimeter.
Wherein, the bending part of described horizontal partiting polarization rubber pad and described base plate and described travel(l)ing rest all adopts the sulfuration bonding, and the free end of the bending part of described vertical partiting polarization rubber pad and described travel(l)ing rest and described two sidewalls all adopts the sulfuration bonding.
A kind of vibration isolation array, it comprises a plurality of above-mentioned pull-type vibration isolation assemblies, a plurality of described pull-type vibration isolation assemblies are matrix and arrange.
A kind of lift-on/lift-off type light fixture, it comprises light source, fixed head, installing plate and a plurality of above-mentioned pull-type vibration isolation assembly, described fixed head and installing plate are oppositely arranged, described light source is fixed on described fixed head, described a plurality of pull-type vibration isolation assembly is arranged between described fixed head and installing plate, the fixed support of described pull-type vibration isolation assembly is fixed on described installing plate, and the travel(l)ing rest of described pull-type vibration isolation assembly is fixed on described fixed head.
Wherein, described installing plate is offered the many chutes that are parallel to each other, and the fixed support of described pull-type vibration isolation assembly is fixed in described chute.
Pull-type vibration isolation assembly provided by the invention provides certain rigidity by fixed support and travel(l)ing rest, adopts horizontal partiting polarization rubber pad and vertical partiting polarization rubber pad consumption excitation input energy simultaneously.
In addition, by described vibration isolation array, thereby can select arranging of pull-type vibration isolation assembly and quantity according to vibration and shock environment variable according to convenient.
In addition, by the fixed support by described pull-type vibration isolation assembly, be fixed in described chute, thus convenient.
The accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below will the accompanying drawing of required use in embodiment be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the lift-on/lift-off type light fixture that provides of embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of the light fixture of lift-on/lift-off type shown in Fig. 1;
Fig. 3 is the schematic diagram of the pull-type vibration isolation assembly of the light fixture of lift-on/lift-off type shown in Fig. 1;
Fig. 4 is the decomposing schematic representation of pull-type vibration isolation assembly shown in Fig. 3.
The specific embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
See also Fig. 1 to Fig. 3, a kind of lift-on/lift-off type light fixture 100 that embodiment of the present invention provides, described lift-on/lift-off type light fixture 100 comprises light source 10, fixed head 20, installing plate 30 and pull-type vibration isolation assembly 40.Described fixed head 20 and installing plate 30 are oppositely arranged.Described light source 10 is fixed on described fixed head 20.Described pull-type vibration isolation assembly 40 is arranged between described fixed head 20 and installing plate 30, and a plurality of described pull-type vibration isolation assemblies 40 are matrix and arrange.
In present embodiment, described light source 10 is fixed on described fixed head 20 by a U-shaped support 50.Described light source 10 is rotationally connected with the opening part of described U-shaped support 50 by a rotating shaft 60.Described U-shaped support 50 is rotationally connected with on described fixed head 20 by a bolt 51.Between described U-shaped support 50 and described fixed head 20, clamping has packing ring 52.Described packing ring 52 is made by polytetrafluoroethylene (PTFE).
The top 21 of described fixed head 20 is connected by described bolt 51 with described U-shaped support 50.The bottom 22 of described fixed head 20 offers a plurality of installation cavity 22a, and described installation cavity 22a is for accommodating described pull-type vibration isolation assembly 40.For convenient fixing described pull-type vibration isolation assembly 40, also offer the mounting groove 22b relative with described installation cavity 22a between described top 21 and described installation cavity 22a.Between described installation cavity 22a and described mounting groove 22b, by a through hole 22c, be communicated with.In present embodiment, described fixed head 20 adopts the low copper low-voltage cast aluminum of high-quality through Ageing Treatment, thereby makes described fixed head 20 surface strengths high, and can be corrosion-resistant, elegant in appearance and durable in use.
Described pull-type vibration isolation assembly 40 comprises fixed support 41, travel(l)ing rest 42, spiro connecting piece 43, two horizontal partiting polarization rubber pads 44, two vertical partiting polarization rubber pads 45 and nuts 46.Described pull-type vibration isolation assembly 40 is applicable to ceiling-mounted and installs.In present embodiment, described fixed support 41, travel(l)ing rest 42, spiro connecting piece 43 and nut 46 all adopt austenitic stainless steel punching press cold working to make.Described horizontal partiting polarization rubber pad 44 and vertical partiting polarization rubber pad 45 adopts in butyl rubber, silicon rubber and metal-rubbers any one.Described horizontal partiting polarization rubber pad 44 and vertical partiting polarization rubber pad 45 adopt low shore hardness elastomeric material as damping material, the intrinsic frequency of itself quite low (3～5 Hz), thus can avoid driving frequency (10Hz～2000 Hz).Described fixed support 41 is fixed on described installing plate 30.
Described fixed support 41 comprises base plate 410 and two sidewalls 411.The parallel two ends that are connected in described base plate 410 of described two sidewalls 411, the free end 411a of described two sidewalls 411 bends in opposite directions, and bending angle is right angle.In present embodiment, described fixed support 41 is sheet metal parts.Described base plate 410 is offered the first through hole 410a, and described nut 46 is contained in described fixed support 41, and described nut 46 is fixed on described base plate 410, and concentric with described the first through hole 410a.Certainly, in other embodiments, also can omit described the first through hole 410a and nut 46, directly on described base plate 410, offer screw.
Described two parallel two ends of being fixed in described base plate 410 of horizontal partiting polarization rubber pad 44, and be arranged between described two sidewalls 411.In present embodiment, described two horizontal partiting polarization rubber pads 44 are two rectangular rubber pads.Described horizontal partiting polarization rubber pad 44 adopts sulfuration to be bonded in the two ends of described base plate 410.Described travel(l)ing rest 42 is "Ji" type, two bending parts 420 of described travel(l)ing rest 42 are contained in described fixed support 41, and be individually fixed in the end of described horizontal partiting polarization rubber pad 44 away from described base plate 410, the lower surface of the bending part 420 of described travel(l)ing rest 42 adopts sulfuration to be bonded in the end of described horizontal partiting polarization rubber pad 44 away from described base plate 410.Described travel(l)ing rest 42 and described fixed support 41 matched in clearance.While guaranteeing described travel(l)ing rest 42 vibration, at fixed support 41, move up and down, mainly by described horizontal partiting polarization rubber pad 44 isolation exciting forces.Gap between described travel(l)ing rest 42 and described fixed support 41 is 1 millimeter.Certainly, in other embodiments, the gap between described travel(l)ing rest 42 and described fixed support 41 is smaller or greater.
Described each vertical partiting polarization rubber pad 45 is fixedly connected between the free end 411a of two bending parts 420 of described travel(l)ing rest 42 and described two sidewalls 411.In present embodiment, the upper surface of described vertical partiting polarization rubber pad 45 adopts sulfuration to be bonded in the lower surface of described free end 411a, and the lower surface of described vertical partiting polarization rubber pad 45 adopts sulfuration to be bonded in the upper surface of described bending part 420.Described each vertical partiting polarization rubber pad 44 is less than the thickness of described horizontal partiting polarization rubber pad 44 along described sidewall 411 bearing of trends along the thickness of described sidewall 411 bearing of trends.Described spiro connecting piece 43 is fixed in the middle part 421 of described travel(l)ing rest 42.The middle part 421 of described travel(l)ing rest 42 offers the second through hole 421a(and refers to Fig. 4).In present embodiment, described spiro connecting piece 43 adopts screw rod.Described spiro connecting piece 43 comprises bolt head 43a and screw rod 43b, described bolt head 43a is fixed between described two bending parts 420, the screw rod 43b of described spiro connecting piece 43 runs through described the second through hole 411c and described through hole 22c, in described mounting groove 22b, by nut 9, locks.Described vertical partiting polarization rubber pad 45, in order to eliminate the transverse movement of described travel(l)ing rest 42 when laterally partiting polarization rubber pad 44 absorbs energy work, is avoided the direct transmission of vibration between described travel(l)ing rest 42 and described fixed support 41.
Described installing plate 30 is offered the many chutes that are parallel to each other 31, and the fixed support 41 of described pull-type vibration isolation assembly 40 is fixed in described chute 31.Described installing plate 30 is associated golden extrusion modling by aluminium silicon magnesium.Described chute 31 is extruded by mould.The cross section of described chute 31 is M5-M8 bolt head size.In present embodiment, described chute 31 is T-shaped groove, and described fixed support 41 lock onto in described chute 31 by bolt 8.The screw rod 8a of described bolt 8 is bolted on described nut 46, and the bolt head 8b of described bolt 8 is sticked in described chute 31.Locking by described bolt 8 at described chute 31 interior diverse locations, thus be applicable to the various arrangement mode of the described pull-type vibration isolation assembly 40 of varying number.After described bolt 8 lockings, bolt head 8b firmly is clamped on described chute 31 medial surfaces, so just the mounting plane 32 of the plane of described pull-type vibration isolation assembly 40 and described installing plate 30 is contacted fully.Simultaneously, described chute 31 edges have bolt that fixing hole 33 is installed, and by described bolt, the interior mounting nuts 7 of fixing hole 33 being installed, then by bolt (not shown) and described nut 7, described installing plate 30 back sides and plane, installation position are fitted tightly.
Described lift-on/lift-off type light fixture 100 can be regulated the arranging of described pull-type vibration isolation assembly 40, quantity, rubber clone and hardness range according to vibration and shock environment variable (comprising the vibration source frequency that may occur, vibration isolation illuminator overall weight, impact acceleration peak value, peak swing, installation site dimensional requirement etc.), amplitude peak plays vibration isolation effect and damping action, and the intrinsic frequency of illuminator support and driving frequency are isolated more than 2 times greatly.So just can make the intrinsic frequency of whole lift-on/lift-off type light fixture avoid the interference of driving source, make illuminator reach best vibration isolating effect.
Pull-type vibration isolation assembly provided by the invention provides certain rigidity by fixed support and travel(l)ing rest, adopts horizontal partiting polarization rubber pad and vertical partiting polarization rubber pad consumption excitation input energy simultaneously.
In addition, by described vibration isolation array, thereby can select arranging of pull-type vibration isolation assembly and quantity according to vibration and shock environment variable according to convenient.
In addition, by the fixed support by described pull-type vibration isolation assembly, be fixed in described chute, thus convenient.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. a pull-type vibration isolation assembly, described pull-type vibration isolation assembly comprises fixed support, travel(l)ing rest, spiro connecting piece, two horizontal partiting polarization rubber pads and two vertical partiting polarization rubber pads, described fixed support comprises base plate and two sidewalls, described two parallel sidewalls are connected in the two ends of described base plate, the free end of described two sidewalls bends in opposite directions, and bending angle is right angle, the parallel two ends of being fixed in described base plate of described two horizontal partiting polarization rubber pads, and be arranged between described two sidewalls, described travel(l)ing rest is "Ji" type, two bending parts of described travel(l)ing rest are contained in described fixed support, and be individually fixed in the end of described horizontal partiting polarization rubber pad away from described base plate, described travel(l)ing rest and described fixed support matched in clearance, described each vertical partiting polarization rubber pad is fixedly connected between the free end of two bending parts of described travel(l)ing rest and described two sidewalls, each described vertical partiting polarization rubber pad is less than the thickness of each described horizontal partiting polarization rubber pad along described sidewall bearing of trend along the thickness of described sidewall bearing of trend, described spiro connecting piece is fixed in the middle part of described travel(l)ing rest.
2. pull-type vibration isolation assembly according to claim 1, is characterized in that, described pull-type vibration isolation assembly also comprises nut, described base plate is offered the first through hole, described nut is contained in described fixed support, and described nut is fixed on described base plate, and concentric with described the first through hole.
3. pull-type vibration isolation assembly according to claim 1, is characterized in that, described horizontal partiting polarization rubber pad and vertical partiting polarization rubber pad adopt in butyl rubber, silicon rubber and metal-rubber any one.
4. pull-type vibration isolation assembly according to claim 2, is characterized in that, described fixed support, travel(l)ing rest, spiro connecting piece and nut all adopt austenitic stainless steel punching press cold working to make.
5. pull-type vibration isolation assembly according to claim 1, it is characterized in that, described spiro connecting piece adopts screw rod, described spiro connecting piece comprises bolt head and double-screw bolt, described bolt head is fixed between described two bending parts, the middle part of described travel(l)ing rest offers the second through hole, and the screw rod of described spiro connecting piece runs through described the second through hole.
6. pull-type vibration isolation assembly according to claim 1, is characterized in that, the gap between described travel(l)ing rest and described fixed support is 1 millimeter.
7. pull-type vibration isolation assembly according to claim 1, it is characterized in that, the bending part of described horizontal partiting polarization rubber pad and described base plate and described travel(l)ing rest all adopts the sulfuration bonding, and the free end of the bending part of described vertical partiting polarization rubber pad and described travel(l)ing rest and described two sidewalls all adopts the sulfuration bonding.
8. a vibration isolation array, is characterized in that, described vibration isolation array comprises a plurality of pull-type vibration isolation assemblies as described as claim 1-7 any one, and a plurality of described pull-type vibration isolation assemblies are matrix and arrange.
9. a lift-on/lift-off type light fixture, it is characterized in that, described lift-on/lift-off type light fixture comprises light source, fixed head, installing plate and a plurality of pull-type vibration isolation assembly as described as claim 1-7 any one, described fixed head and installing plate are oppositely arranged, described light source is fixed on described fixed head, described a plurality of pull-type vibration isolation assembly is arranged between described fixed head and installing plate, the fixed support of described pull-type vibration isolation assembly is fixed on described installing plate, and the travel(l)ing rest of described pull-type vibration isolation assembly is fixed on described fixed head.
10. lift-on/lift-off type light fixture according to claim 1, is characterized in that, described installing plate is offered the many chutes that are parallel to each other, and the fixed support of described pull-type vibration isolation assembly is fixed in described chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176935.6A CN103453456B (en) | 2012-06-01 | 2012-06-01 | Pull-type vibration isolation component, vibration isolation array and lift-on/lift-off type light fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176935.6A CN103453456B (en) | 2012-06-01 | 2012-06-01 | Pull-type vibration isolation component, vibration isolation array and lift-on/lift-off type light fixture |
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| Publication Number | Publication Date |
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| CN103453456A true CN103453456A (en) | 2013-12-18 |
| CN103453456B CN103453456B (en) | 2018-01-23 |
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| CN201210176935.6A Expired - Fee Related CN103453456B (en) | 2012-06-01 | 2012-06-01 | Pull-type vibration isolation component, vibration isolation array and lift-on/lift-off type light fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388114A (en) * | 2022-08-18 | 2022-11-25 | 浙江慧昇流体设备有限公司 | High-rigidity damping composite base |
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