CN210739219U - Steel wire shock-absorbing structure - Google Patents
Steel wire shock-absorbing structure Download PDFInfo
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- CN210739219U CN210739219U CN201921396469.6U CN201921396469U CN210739219U CN 210739219 U CN210739219 U CN 210739219U CN 201921396469 U CN201921396469 U CN 201921396469U CN 210739219 U CN210739219 U CN 210739219U
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Abstract
The utility model relates to a shock-absorbing structure discloses a steel wire shock-absorbing structure, fixed connection is on external equipment, including at least two relative fixed bases, a plurality of fixed ears and the elastic steel wire that sets up, fixed base and external equipment fixed connection, fixed ear fixed connection is on a set of side that fixed base is relative, and protrusion in the surface of fixed base, relative fixed ear along fixed base axis rotation dislocation to a settlement angle, the elastic steel wire is according to setting for every adjacent fixed ear of radian fixed connection in proper order, the elastic steel wire is located between the relative fixed bases; the bent elastic steel wire is overhead and bears the load and absorbs the vibration, the bending radian of the steel wire is properly adjusted according to the length, the vibration absorption is realized through the bending of the elastic steel wire, and the steel wire can not generate the rotating friction, so that the steel wire is prevented from being broken due to abrasion, and can resist the strong vibration for a long time.
Description
Technical Field
The utility model relates to a shock-absorbing structure, more specifically say, it relates to a steel wire shock-absorbing structure.
Background
The steel wire rope shock absorber has the main properties that: the vibration isolation device can ensure that the system has good vibration isolation performance under the condition of bearing the maximum safe impact, is suitable for various severe environment conditions specified by domestic and foreign military standards, and has multidirectional elastic deformation, long service life and various installation modes. The material is particularly suitable for the harsh environmental requirements of industrial products with military industry, high technology and special earthquake-resistant requirements, such as carrier-borne products, airborne products, vehicle-mounted products and the like. The device is widely applied to ship-borne equipment facilities, radar navigation systems, field transport command systems, missile carrying and launching devices, military reinforcing machines, space flight and aviation instruments, nuclear power plants, nuclear test protection shelters, various anti-seismic test beds and the like. Compared with the traditional rubber vibration isolator, the rubber vibration isolator has the advantages of strong environmental adaptability, long service life, various installation modes, good buffering and impact resistance, large damping, convenience in installation and the like, and has the defect of larger required installation space.
The three-stage damping system of the oil-driven unmanned aerial vehicle flight control device disclosed in the Chinese patent with the patent publication number of CN206309849U comprises a first-stage damper, a second-stage damper, a third-stage damper and a flight control module, wherein the second-stage damper is a square steel wire rope damper, the lower plate of the damper is installed above an installation plate through a non-magnetic screw, and the upper plate and a second-stage counterweight block are installed below a rectangular flat plate of the installation part; the number of the secondary dampers is four, the four secondary dampers are longitudinally arranged in the middle above the board surface of the mounting board, and the four secondary dampers are arranged in a diagonal manner by rotating 45 degrees respectively. The second level balancing weight is a rectangular plate adapted to the rectangular flat plate of the mounting member.
Shock-absorbing structure among the prior art can play the shock attenuation effect of certain degree, but the steel wire is direct to be connected with the base, and the base is more to the wearing and tearing of steel wire under the condition of strong vibration, causes the steel wire fracture easily.
SUMMERY OF THE UTILITY MODEL
To the present problem that the base is more to steel wire wearing and tearing under the condition of strong vibration, the utility model provides a steel wire shock-absorbing structure, thereby it has the advantage that prevents the base and can be able to bear or endure long-time strong vibration to steel wire wearing and tearing.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a steel wire shock-absorbing structure, fixed connection is on external base, including at least two fixed baseplate, a plurality of fixed ear and the elasticity steel wire that has damping effect that connect gradually, fixed baseplate and external base fixed connection, its characterized in that, fixed ear fixed connection be in on a set of side that fixed baseplate is relative, and the protrusion in fixed baseplate's surface, two fixed baseplate sets up relatively, and is relative fixed ear is followed fixed baseplate axis rotation dislocation is to a settlement angle, the elasticity steel wire is established ties in proper order every adjacent fixed ear, the elasticity steel wire is located two relatively between the fixed baseplate.
Through the technical scheme, the bent elastic steel wire is overhead to bear and absorb vibration, the bending radian of the steel wire can be properly adjusted according to the length, because the elastic steel wire forms an overhead space, the horizontal direction can be subjected to the damping effect of the elastic steel wire with the set radian connected with the fixing lugs at the same latitude of the same base, and the vertical direction can generate the damping effect of the elastic steel wire with the set radian connected with the fixing lugs at the same latitude of different bases, so that external equipment can play a good vibration absorption effect in the three-dimensional direction, the vibration absorption is realized through the bending of the elastic steel wire, the fixing lugs are protruded out of the fixed base, the elastic steel wire is embedded and fixedly connected in the fixing lugs, and therefore, the elastic steel wire cannot generate friction with the fixed base and the fixing lugs, the elastic steel wire is protected from being worn to cause fracture, and can resist strong vibration for a long, and the structure has low cost and is easy to realize, and can be applied to the field with large bearing weight or very harsh environment.
Furthermore, a through hole is formed in the fixing lug, a straight line where the axis of the through hole is located is parallel to a straight line where the side edge of the fixing base close to the through hole is located, and the inner diameter size of the through hole is matched with the outer diameter size of the elastic steel wire.
Through above-mentioned technical scheme, fixed ear is used for fixing the elasticity steel wire, and the elasticity steel wire stretches into in the through-hole of fixed ear and the size looks adaptation of the two, therefore the inner wall of fixed orifices has the supporting role to the elasticity steel wire in the crooked time, has guaranteed the stability of elasticity steel wire, has strengthened absorbing stability promptly.
Furthermore, the fixed base is provided with two and is provided with two fixed ears that are symmetrically distributed on every fixed base, and two adjacent elastic steel wires are symmetrical mutually.
Through above-mentioned technical scheme, two bisymmetry of adjacent elastic steel wire for the atress is even when receiving the effort, can not produce that certain elastic steel wire atress is inhomogeneous, thereby influences holistic life.
Furthermore, the straight lines of the shaft axes of the two end parts of each elastic steel wire are perpendicular to each other.
Through above-mentioned technical scheme, increased the elasticity torsion of elasticity steel wire to the shock attenuation effect has been strengthened.
Further, the middle part of fixed baseplate is provided with the inboard mounting hole that contains the screw thread that runs through, and the mounting includes the bolt, the bolt pass external equipment and mounting hole in proper order, and with fixing base threaded connection.
Through the technical scheme, the fixing mode is fast, convenient, simple and easy to operate, and the installation efficiency is improved.
Furthermore, the fixing seat is a square seat and is arranged between the two fixing lugs on the same fixing base.
Through above-mentioned technical scheme, the area of contact between square fixing base and the fixed baseplate is great, so the weight of bearing is also great to guarantee the steadiness of mounting.
Furthermore, four corners of the fixed base are respectively provided with four fixing holes with threads on the inner sides, the fixing part is a stud, and the stud sequentially penetrates through the external equipment and the fixed base and is connected with the fixed base through threads.
Through the technical scheme, although the fixing mode needs a plurality of fixing pieces to be uniformly distributed at four corners of the fixing base, the method enables the fixing base to be more stably connected with external equipment, and the stability of installation is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the elastic steel wire is supported in an overhead manner and is subjected to vibration reduction, the bending radian of the steel wire can be adjusted properly according to the length, because the elastic steel wire forms an overhead space, the damping effect can be generated in the horizontal direction by the elastic steel wire with the set radian connected with the fixed lug at the same latitude of the same base, and the damping effect can be generated in the vertical direction by the elastic steel wire with the set radian connected with the fixed lug at the same latitude of different bases, so that external equipment can play a good vibration reduction effect in the three-dimensional direction, the elastic steel wire is fixedly connected in the fixed lug, the vibration reduction is realized through the bending of the elastic steel wire, the fixed lug protrudes out of the fixed base, the elastic steel wire is embedded in and fixedly connected in the fixed lug, and therefore, the elastic steel wire cannot generate friction with the fixed base and the fixed lug, and is protected from, the structure can resist strong vibration for a long time, has low cost and is easy to realize, and can be applied to the field with heavy bearing or very harsh environment;
(2) the fixing lug is used for fixing the elastic steel wire, the elastic steel wire extends into the through hole of the fixing lug, and the sizes of the elastic steel wire and the through hole are matched, so that the inner wall of the fixing hole has a supporting function on the elastic steel wire when the elastic steel wire is bent, the stability of the elastic steel wire is ensured, and the stability of shock absorption is enhanced;
(3) through setting up two bisymmetry of adjacent elastic steel wire for the atress is even when receiving the effort, can not produce that certain elastic steel wire atress is inhomogeneous, thereby influences holistic life, and two tip axial lead place straight lines mutually perpendicular of every elastic steel wire increase elasticity torsion, make the elasticity effect stronger.
Drawings
FIG. 1 is a schematic view of a steel wire shock absorbing structure according to the first embodiment;
FIG. 2 is a general schematic diagram according to a first embodiment;
FIG. 3 is a schematic view of a steel wire shock absorbing structure according to the second embodiment;
fig. 4 is an overall schematic view of the second embodiment.
Reference numerals: 1. an elastic steel wire; 2. fixing the ear; 3. a fixed base; 4. a bolt; 5. a fixed seat; 6. mounting holes; 7. a fixing hole; 8. a stud.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example one
A steel wire shock-absorbing structure is shown in figure 1 and used for shock absorption of a crystal oscillator, the crystal oscillator is fixedly connected to a circuit board through pins, positioning holes are formed in four corners of the circuit board, and the crystal oscillator shock-absorbing structure comprises two fixing bases 3 which are vertically opposite from top to bottom, a plurality of fixing lugs 2 and an elastic steel wire 1 with a damping effect, wherein the two fixing bases 3 are sequentially connected with each other. The fixed base is set to be square, two opposite sides parallel to each other on one side of the fixed base 3 are fixedly connected with a convex fixed lug 2 respectively, and the fixed connection position of the fixed lug 2 and the fixed base 3 is set to be a slope. The fixed ear 2 relative from top to bottom is rotatory misplaced to a set angle along 3 axis of fixed baseplate, and every adjacent fixed ear 2 of elastic steel wire 1 fixed connection in proper order according to the radian of setting for. The fixing lug 2 is provided with a cylindrical hole matched with the outer diameter of the elastic steel wire 1, and the straight line where the axis of the cylindrical hole is located is parallel to the edge of the side where the straight line is located. The axial lines of the two ends of each elastic steel wire 1 are perpendicular to each other.
As shown in fig. 1 and 2, four corners of the fixing base 3 are respectively provided with fixing holes 7 having threads on the inner side and are fixed by matching studs 8. The upper side stud 8 sequentially penetrates through the positioning hole and the fixing hole 7, and the lower side stud 8 sequentially penetrates through the positioning hole and the fixing hole 7 on the external equipment to fix the fixing base 3.
The main working principle of the steel wire damping structure is that the elastic steel wire 1 is used for overhead bearing and damping, and the bending radian of the elastic steel wire 1 can be properly adjusted according to the length. Because the elastic steel wire 1 forms an overhead space, the damping effect generated by the elastic steel wire 1 with a set radian connected with the fixed lug 2 at the same latitude of the same base can be applied to the horizontal direction; the damping effect can be generated by the elastic steel wire 1 with the set radian which is connected with the fixing lugs 2 with the same latitude of different bases in the vertical direction. The external device can have a good vibration damping effect in all three dimensions. The elastic steel wire 1 is fixedly connected in the fixing lug 2, and the shock absorption is realized through the bending of the elastic steel wire 1; fixed ear 2 protrusion in fixed base 3, elasticity steel wire 1 embedding and fixed connection are in fixed ear 2, consequently elasticity steel wire 1 can not produce the friction with fixed base 3 and fixed ear 2 to protection elasticity steel wire 1 prevents that it from being worn and torn and cause the fracture, therefore can be endurable long-time strong vibration. And the structure has low cost and is easy to realize, and can be applied to the field with large bearing weight or very harsh environment.
Example two
A steel wire shock-absorbing structure is different from the first embodiment in that as shown in figures 3 and 4, four fixing holes 7 (shown in figure 1) in a fixing base 3 are arranged to be a mounting hole 6 and are matched with a square fixing base 5 and fixedly connected between two fixing lugs 2 on the same fixing base 3, the width of the square fixing base 5 is matched with the distance between the two fixing lugs 2, and a straight line where the axis of each fixing lug 2 is located is parallel to a plane where a side edge of the fixing base 5, close to the straight line, is located. The fixing lugs 2 prevent the square fixing seat 5 from rotating, so that the stability of the fixing piece is ensured; the installation mode is fast, simple and easy to operate, and installation efficiency is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel wire shock-absorbing structure, fixed connection is on external base, including fixed baseplate (3), a plurality of fixed ear (2) of at least two that connect gradually and elasticity steel wire (1) that have damping effect, fixed baseplate (3) and external base fixed connection, its characterized in that, fixed ear (2) fixed connection be in on the relative a set of side of fixed baseplate (3), and protrusion in the surface of fixed baseplate (3), two fixed baseplate (3) set up relatively, it is relative fixed ear (2) are followed fixed baseplate (3) axis rotation dislocation is to a settlement angle, elasticity steel wire (1) are established ties in proper order every adjacent fixed ear (2), elasticity steel wire (1) are located two relatively between fixed baseplate (3).
2. The steel wire shock absorption structure according to claim 1, wherein the fixing lug (2) is provided with a through hole, a straight line of an axis of the through hole is parallel to a straight line of a side edge of the fixing base (3) close to the through hole, and an inner diameter of the through hole is matched with an outer diameter of the elastic steel wire (1).
3. The steel wire shock absorbing structure according to claim 2, characterized in that the fixing base (3) is provided with two and each fixing base (3) is provided with two symmetrically distributed fixing lugs (2).
4. The wire shock absorbing structure according to claim 1, wherein the straight lines on which the axes of both ends of each of the elastic steel wires (1) are located are perpendicular to each other.
5. The steel wire shock absorption structure according to claim 1, wherein a through mounting hole (6) with threads on the inner side is formed in the middle of the fixing base (3), a fixing base (5) with threads on the inner side is fixedly arranged in the middle of one side, close to the elastic steel wire (1), of the fixing base (3), the fixing base comprises a bolt (4), and the bolt (4) sequentially penetrates through an external device and the mounting hole (6) and is in threaded connection with the fixing base (5).
6. The steel wire shock absorbing structure according to claim 5, wherein the fixing seat (5) is configured as a square seat and is disposed between two fixing lugs (2) on the same fixing base (3).
7. The steel wire shock absorption structure according to claim 1, wherein four corners of the fixing base (3) are respectively provided with four fixing holes (7) having threads on the inner sides, the fixing member is a stud (8), and the stud (8) sequentially passes through an external device and the fixing base (3) and is connected with the fixing base (3) through the threads.
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CN201921396469.6U CN210739219U (en) | 2019-08-24 | 2019-08-24 | Steel wire shock-absorbing structure |
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CN201921396469.6U CN210739219U (en) | 2019-08-24 | 2019-08-24 | Steel wire shock-absorbing structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112696456A (en) * | 2020-12-22 | 2021-04-23 | 北京无线电计量测试研究所 | Auxiliary vibration damping device and method for crystal oscillator |
CN114623361A (en) * | 2020-12-14 | 2022-06-14 | 山东富锐光学科技有限公司 | Laser radar hoisting vibration isolation device and vibration isolation method thereof |
-
2019
- 2019-08-24 CN CN201921396469.6U patent/CN210739219U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114623361A (en) * | 2020-12-14 | 2022-06-14 | 山东富锐光学科技有限公司 | Laser radar hoisting vibration isolation device and vibration isolation method thereof |
CN114623361B (en) * | 2020-12-14 | 2024-07-09 | 山东富锐光学科技有限公司 | Laser radar hoisting vibration isolation device and vibration isolation method thereof |
CN112696456A (en) * | 2020-12-22 | 2021-04-23 | 北京无线电计量测试研究所 | Auxiliary vibration damping device and method for crystal oscillator |
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