CN202674156U - Vehicle-mounted apparatus vibration damping device - Google Patents
Vehicle-mounted apparatus vibration damping device Download PDFInfo
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- CN202674156U CN202674156U CN 201220205531 CN201220205531U CN202674156U CN 202674156 U CN202674156 U CN 202674156U CN 201220205531 CN201220205531 CN 201220205531 CN 201220205531 U CN201220205531 U CN 201220205531U CN 202674156 U CN202674156 U CN 202674156U
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Abstract
The utility model relates to a vibration damping device and discloses a vehicle-mounted apparatus vibration damping device. The vehicle-mounted apparatus vibration damping device is installed on a horizontal platform surface in a car body and positioned at the bottom of apparatus. A double-layer vibration damping structure composed of a soft vibration damping layer and a hard vibration damping layer is adopted. The soft vibration damping layer is positioned above the hard vibration damping layer. A separating board is arranged between the soft vibration damping layer and the hard vibration damping layer. The adoption of the soft vibration damping layer on the upper layer of the vehicle-mounted apparatus vibration damping device achieves vibration-resisting vibration damping, and the adoption of the hard vibration damping layer on the lower layer of the vehicle-mounted apparatus vibration damping device achieves shock-resisting vibration damping, and therefore the vibration damping capacity of a vibration damping device is improved, and the absorption of shock and vibration acceleration is strengthened. Due to the fact that a rubber separation cushion is further arranged between the upper edge and the lower edge of a soft spring, collision between the upper edge and the lower edge of the soft spring is avoided and the adverse influence on vibration damping effect is decreased.
Description
Technical field
The utility model relates to vibration damping equipment, particularly relates to a kind of vehicle-mounted instrument vibration damping equipment.
Background technique
The fields such as environmental protection, fire-fighting, public safety that come from are to carrying out the requirement of Site Detection in the spot, analytical instrument must be able to be installed on the various vehicles, arrive the spot analysis of testing with car, even require instrument in the vehicle traveling process, to work.And vehicle can produce in the process of moving and jolts, so the vibration resistance of instrument is proposed harsh requirement.Jolting that vehicle produces in the process of moving is decomposed into two kinds of effects of shock and vibration.Wherein, impact is active force instantaneous, high acceleration, and action time, impact acceleration was between tens to hundreds of g within a few tens of milliseconds usually; Vibration is active force that continue, little acceleration, and vibration frequency is from several hertz to producing at random between the hundreds of hertz.
At present, being used for the most frequently used method of vehicle-mounted vibration damping is to use the rubber damping vibration damper, and this vibration damper volume is little, easy for installation.But it is limited that shortcoming is damping capacity, and the absorption of impact and vibration acceleration is less than 50%; In addition, better to light and handy miniature instrument effectiveness in vibration suppression, not good for the equipment effectiveness in vibration suppression that volume and weight is larger.In addition, the technology that is used for the mobile unit vibration damping also has " steel cable-spring type automobile rear axle damper " (patent publication No. 1772521A), elastic damping when this vibration damper utilizes wirerope crooked, advantage is that cushioning stroke is long, the equipment good damping result larger to weight; But shortcoming is the double action that is difficult to the simultaneous adaptation shock and vibration.
The model utility content
The technical problem that (one) will solve
The technical problems to be solved in the utility model is the vehicle-mounted instrument vibration damping equipment how a kind of shock resistance and anti-vibration are provided.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of vehicle-mounted instrument vibration damping equipment, be installed on the level table in the car body and be positioned at the bottom of instrument, the double-layer vibration damping structure that employing is made of soft vibration damping layer and hard vibration damping layer, described soft vibration damping layer is positioned at the top of hard vibration damping layer, is provided with dividing plate between described soft vibration damping layer and the hard vibration damping layer.
Wherein, described soft vibration damping layer is formed by the center of gravity symmetry arrangement of many soft springs according to the instrument that carries, and described hard vibration damping layer is formed by the center of gravity symmetry arrangement of many hard springs according to the instrument that carries, and guarantees that the weight of instrument is evenly distributed on all springs.
Wherein, described soft spring and hard spring are the wire rope shock-absorbing spring.
Wherein, be provided with rubber spacer between the lower limb on the described soft spring.
Wherein, the bearing power of described hard vibration damping layer is more than or equal to the weight of the instrument that carries, and the bearing power of described soft vibration damping layer is less than the bearing power of hard vibration damping layer.
Wherein, described rubber spacer thickness is 1/3～1/6 of soft spring height.
(3) beneficial effect
A kind of vehicle-mounted instrument vibration damping equipment that technique scheme provides, the double-layer vibration damping structure that employing is made of soft vibration damping layer and hard vibration damping layer, the upper strata adopts soft vibration damping layer to realize the anti-vibration vibration damping, lower floor adopts hard vibration damping layer to realize the shock resistance vibration damping, improve the damping capacity of vibration damping equipment, strengthened the absorption of impact and vibration acceleration; Further, between the upper lower limb of soft spring, be provided with rubber spacer, so that lower limb is difficult for bumping on the soft spring, reduced the adverse effect to effectiveness in vibration suppression.
Description of drawings
Fig. 1 is the structural representation of a kind of vehicle-mounted instrument vibration damping equipment of the utility model;
Fig. 2 is the plan view of the utility model hard spring;
Fig. 3 is the side view of the utility model hard spring;
Fig. 4 is the side view of the utility model soft spring;
Fig. 5 is the utility model spring rows Butut in actual applications.
Wherein, 1, car body connecting plate; 2, instrument; 3, soft vibration damping layer; 4, hard vibration damping layer; 5, dividing plate; 6, soft spring; 7, hard spring; 8, rubber spacer; A, top edge; B, lower limb; C, top edge; D, lower limb; O, center of gravity.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Such as Fig. 1, vehicle-mounted instrument vibration damping equipment of the present utility model, be installed in level table (this level table can be hull bottom plate or car body operating platform etc.) in the car body by car body connecting plate 1 upper and be positioned at the bottom of instrument 2, this vibration damping equipment adopts the double-layer vibration damping structure that is made of soft vibration damping layer 3 and hard vibration damping layer 4, soft vibration damping layer 3 is positioned at the top of hard vibration damping layer 4, is provided with dividing plate 5 between soft vibration damping layer 3 and the hard vibration damping layer 4.The hard vibration damping layer 4 of lower floor is shock resistance vibration damping layer, is mainly used in playing damping effect when impacting, and the impact acceleration of bearing is larger; The soft vibration damping layer 3 on upper strata is anti-vibration vibration damping layer, is mainly used in playing damping effect when vibration, and the vibration acceleration that bears is less, can tolerate lastingly low-force, particularly all has good adaptability for the various frequencies in the large frequency band range.
Such as Fig. 5, soft vibration damping layer 3 is formed by the center of gravity o symmetry arrangement of many soft springs 6 according to the instrument that carries, and hard vibration damping layer 4 is formed by the center of gravity o symmetry arrangement of many hard springs 7 according to the instrument that carries, and soft spring 6 and hard spring 7 are the wire rope shock-absorbing spring.The spacing of the upper lower limb of hard spring 4 should be enough large, no matter guarantees to impact when still vibrating, and upper and lower edge a, the b of hard spring 4 all can not bump, such as Fig. 2 and Fig. 3.The soft spring 6 that the utility model adopts and hard spring 7 are symmetric so that the weight of instrument is evenly distributed on all springs of this vibration damping equipment by the center of gravity of the instrument that carries; Adopt the collocation mode of soft spring 6 and hard spring 7, can avoid producing resonance problem between spring.
Such as Fig. 1 and Fig. 4, for when carrying instrument 2, make soft spring 6 because of vibration and impact its upper and lower edge c, d are bumped, so that affect effectiveness in vibration suppression, the present embodiment is provided with rubber spacer 8 between upper and lower edge c, the d of soft spring 6.In order not affect the deformation of soft spring 6, this rubber spacer 8 fixes with lower limb d, and its width is less, and the both sides with soft spring 6 do not contact, such as Fig. 4.Rubber spacer 8 thickness are 1/3～1/6 of soft spring 6 height.
The bearing power of hard vibration damping layer 4 is more than or equal to the weight of the instrument that carries, and the quantity that is embodied in hard spring 7 multiply by the bearing power of each hard spring 7 more than or equal to the weight of the instrument that carries; The bearing power of soft vibration damping layer 3 is embodied in the bearing power of single soft spring 6 less than the bearing power of single hard spring 7 less than the bearing power of hard vibration damping layer, and the quantity of soft spring 6 is less than or equal to the quantity of hard spring 7 simultaneously.
The vehicle-mounted instrument vibration damping equipment that technique scheme provides can satisfy instrument start work in (field), the Vehicle Driving Cycle process under most evil bad road conditions and analyze with detection.Although this vibration damping equipment only is mounted in the bottom of instrument 2, this damping technology equally also can be resisted lateral direction of car and rock with front and back and rock the shock and vibration that produce except the shock and vibration of the Vertical direction that can adapt to vehicle and produce.
The shock test of this vibration damping equipment: adopt the instrument of heavy 160Kg, carried out respectively shock test on vertical, three directions in all around, impact acceleration is 15g, the half sinusoid of 11 ± 1ms.Behind this double-layer vibration damping structural vibration reduction, the acceleration of 15g almost is kept to 0.
The vibration test of this vibration damping equipment: carry out vibration test according to the power spectral density test curve, the vibration of frequency more than 20Hz obtains the attenuating of highly significant.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (6)
1. vehicle-mounted instrument vibration damping equipment, be installed on the level table in the car body and be positioned at the bottom of instrument, it is characterized in that, the double-layer vibration damping structure that employing is made of soft vibration damping layer and hard vibration damping layer, described soft vibration damping layer is positioned at the top of hard vibration damping layer, is provided with dividing plate between described soft vibration damping layer and the hard vibration damping layer.
2. vehicle-mounted instrument vibration damping equipment as claimed in claim 1, it is characterized in that, described soft vibration damping layer is formed by the center of gravity symmetry arrangement of many soft springs according to the instrument that carries, described hard vibration damping layer is formed by the center of gravity symmetry arrangement of many hard springs according to the instrument that carries, and guarantees that the weight of instrument is evenly distributed on all springs.
3. vehicle-mounted instrument vibration damping equipment as claimed in claim 2 is characterized in that, described soft spring and hard spring are the wire rope shock-absorbing spring.
4. vehicle-mounted instrument vibration damping equipment as claimed in claim 2 is characterized in that, is provided with rubber spacer between the lower limb on the described soft spring.
5. vehicle-mounted instrument vibration damping equipment as claimed in claim 1 is characterized in that, the bearing power of described hard vibration damping layer is more than or equal to the weight of the instrument that carries, and the bearing power of described soft vibration damping layer is less than the bearing power of hard vibration damping layer.
6. vehicle-mounted instrument vibration damping equipment as claimed in claim 4 is characterized in that, described rubber spacer thickness is 1/3～1/6 of soft spring height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205531 CN202674156U (en) | 2012-05-08 | 2012-05-08 | Vehicle-mounted apparatus vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205531 CN202674156U (en) | 2012-05-08 | 2012-05-08 | Vehicle-mounted apparatus vibration damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674156U true CN202674156U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205531 Expired - Lifetime CN202674156U (en) | 2012-05-08 | 2012-05-08 | Vehicle-mounted apparatus vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674156U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654172A (en) * | 2012-05-08 | 2012-09-05 | 北京市北分仪器技术有限责任公司 | Vibration attenuation device for vehicle-mounted instrument |
| CN105877931A (en) * | 2016-05-24 | 2016-08-24 | 巢湖学院 | Four-degree-of-freedom parallel damping stretcher platform |
| CN105943259A (en) * | 2016-05-24 | 2016-09-21 | 界首市华盛塑料机械有限公司 | Stretcher with damping function |
| CN108791096A (en) * | 2018-07-16 | 2018-11-13 | 中国船舶重工集团公司第七0七研究所 | A kind of vibration damping lock for vehicle-mounted gyrocompass takes off device |
| US10502308B2 (en) | 2016-12-22 | 2019-12-10 | Polaris Industries Inc. | Driveline for powersports vehicle |
-
2012
- 2012-05-08 CN CN 201220205531 patent/CN202674156U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654172A (en) * | 2012-05-08 | 2012-09-05 | 北京市北分仪器技术有限责任公司 | Vibration attenuation device for vehicle-mounted instrument |
| CN105877931A (en) * | 2016-05-24 | 2016-08-24 | 巢湖学院 | Four-degree-of-freedom parallel damping stretcher platform |
| CN105943259A (en) * | 2016-05-24 | 2016-09-21 | 界首市华盛塑料机械有限公司 | Stretcher with damping function |
| US10502308B2 (en) | 2016-12-22 | 2019-12-10 | Polaris Industries Inc. | Driveline for powersports vehicle |
| US11313452B2 (en) | 2016-12-22 | 2022-04-26 | Polaris Industries Inc. | Driveline for powersports vehicle |
| US11624435B2 (en) | 2016-12-22 | 2023-04-11 | Polaris Industries Inc. | Driveline for powersports vehicle |
| CN108791096A (en) * | 2018-07-16 | 2018-11-13 | 中国船舶重工集团公司第七0七研究所 | A kind of vibration damping lock for vehicle-mounted gyrocompass takes off device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |