CN112693749A - Elastic vibration damper for cylindrical object transportation - Google Patents
Elastic vibration damper for cylindrical object transportation Download PDFInfo
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- CN112693749A CN112693749A CN202011643220.8A CN202011643220A CN112693749A CN 112693749 A CN112693749 A CN 112693749A CN 202011643220 A CN202011643220 A CN 202011643220A CN 112693749 A CN112693749 A CN 112693749A
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- supporting plate
- sleeve
- cushion block
- flexible cushion
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Abstract
The invention relates to the technical field of aerospace, and discloses an elastic vibration damper for cylindrical object transportation, which comprises a flexible cushion block, an upper guide post unit, an air bag, a lower guide cylinder unit, an air pressure adjusting system and an air chamber, wherein the flexible cushion block is arranged on the upper guide post unit; the upper guide post unit comprises a support plate and a guide rod arranged on the support plate; the lower guide cylinder unit comprises a sleeve and a bottom plate, the bottom plate is arranged opposite to the support plate, and the sleeve is matched with the guide rod; the supporting plate is provided with a flexible cushion block, and an air bag is connected between the bottom plate and the supporting plate; the air bag is connected with an air pressure adjusting system, and the air pressure adjusting system is connected with an air chamber. The invention can adjust the supporting rigidity of the elastic vibration damper according to the deformation adaptability, the vibration characteristic and the bearable impact load of the cylinder, so that the deformation, the vibration and the vertical impact load of the cylinder are all in the adaptive range, thereby ensuring the safety of the cylinder in the transportation process, and the invention has simple structure, reliable function and easy realization.
Description
Technical Field
The invention relates to the technical field of aerospace, in particular to an elastic vibration damping device for barrel-shaped object transportation.
Background
The aerospace cylinder has high requirements on a supporting structure in the transportation process, not only has enough rigidity to support the cylinder and prevent the cylinder from being damaged due to overlarge deformation, but also has enough elasticity to prevent the cylinder from being damaged due to overload caused by overlarge vertical impact in the transportation process. In the prior art, a rubber pad is usually arranged on a supporting structure to play a role of elastic support, but the rigidity of the supporting structure is uncontrollable in the mode, and the thickness of the rubber pad can be adjusted only by experience, so that risks are brought to the safety of the cylindrical object in the transportation process.
Disclosure of Invention
The invention aims to provide an elastic vibration damping device for transporting a cylindrical object, which is simple in structure, reliable in function and easy to realize, aiming at the technical problems in the prior art.
In order to solve the problems proposed above, the technical scheme adopted by the invention is as follows:
the invention provides an elastic vibration damper for transporting a cylindrical object, which comprises a flexible cushion block, an upper guide post unit, an air bag, a lower guide cylinder unit, an air pressure adjusting system and an air chamber, wherein the flexible cushion block is arranged on the upper guide post unit;
the upper guide post unit comprises a support plate and a guide rod arranged on the support plate; the lower guide cylinder unit comprises a sleeve and a bottom plate, the bottom plate is arranged opposite to the support plate, and the sleeve is matched with the guide rod; the supporting plate is provided with a flexible cushion block, and an air bag is connected between the bottom plate and the supporting plate; the air bag is connected with an air pressure adjusting system, and the air pressure adjusting system is connected with an air chamber.
Furthermore, the backup pad includes first backup pad and second backup pad, and the relative surperficial of second backup pad is provided with respectively first backup pad with the guide bar, first backup pad is kept away from the surface of second backup pad is the curved surface, set up on the curved surface of first backup pad flexible cushion.
Furthermore, the curvature of the surface of the flexible cushion block is the same as that of the contact surface of the transported cylinder.
Furthermore, the local screw thread that is provided with of guide bar surface of going up the guide post unit, sleeve inner wall on the guide cylinder unit is provided with the draw-in groove down, adopt the screens nut with guide bar screw-thread fit, the screens nut is located carry on spacingly in the draw-in groove and through the draw-in groove.
Furthermore, a step through hole is machined in one end, which is far away from the guide rod, of the sleeve along the axial direction of the sleeve to serve as a clamping groove.
Furthermore, the guide rod and the sleeve are matched in two groups.
Compared with the prior art, the invention has the beneficial effects that:
the flexible cushion block supports the cylindrical object, the pressure-adjustable air bag is connected with the air chamber to realize elastic support, and the support rigidity of the elastic vibration damper can be adjusted according to the deformation adaptability, vibration characteristics and bearable impact load of the cylindrical object, so that the deformation, vibration and vertical impact load of the cylindrical object are in an adaptive range, and the safety of the cylindrical object in the transportation process is ensured.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort. Wherein:
FIG. 1 is a schematic view of the construction of an elastic vibration damping device for transporting a cylinder according to the present invention.
Fig. 2 is a schematic structural view of an upper guide post unit according to the present invention.
Fig. 3 is a schematic structural view of the lower guide cylinder unit of the present invention.
Fig. 4 is a schematic structural view of the sleeve of the present invention.
FIG. 5 is a schematic view of a plurality of elastomeric damping devices supporting a cartridge in accordance with the present invention.
The reference numerals are explained below: the device comprises a flexible cushion block 1, an upper guide column unit 2, an air bag 3, a lower guide cylinder unit 4, a clamping nut 5, an air pressure adjusting system 6 and an air chamber 7.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order. In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 3, the present invention provides an elastic damping device for transporting a cylindrical object, including: the device comprises a flexible cushion block 1, an upper guide post unit 2, an air bag 3, a lower guide cylinder unit 4, an air pressure adjusting system 6 and an air chamber 7.
The upper guide post unit 2 includes a support plate 21, and a guide bar 22 provided on the support plate 21. The lower guide cylinder unit 4 includes a sleeve 41 and a bottom plate 42, the bottom plate 42 is disposed opposite to the support plate 21, and the sleeve 41 is engaged with the guide bar 22. The supporting plate 21 is provided with a flexible cushion block 1 for supporting a cylinder, and an air bag 3 is connected between the bottom plate 42 and the supporting plate 21. The air bag 3 is connected with an air pressure adjusting system 6, and the air pressure adjusting system 6 is connected with an air chamber 7.
Specifically, the support plate 21 and the guide rod 22, and the sleeve 41 and the bottom plate 42 are respectively connected together by welding or bolts, and the bottom plate 42 is connected with the rigid base of the transportation vehicle by bolts or welding. The air bag 3, the air pressure adjusting system 6 and the air chamber 7 are connected with each other through an air pipe.
With reference to fig. 2, the supporting plate 21 includes a first supporting plate 211 and a second supporting plate 212, the first supporting plate 211 and the guiding rod 22 are respectively disposed on opposite surfaces of the second supporting plate 212, a surface of the first supporting plate 211 away from the second supporting plate 212 is a curved surface, and the flexible cushion block 1 is disposed on the curved surface of the first supporting plate 211. Specifically, the flexible cushion block 1 is connected to the first support plate 211 of the upper guide post unit 2 by means of bolts or adhesive.
Furthermore, the curvature of the surface of the flexible cushion block 1 is the same as that of the contact surface of the transported cylinder-shaped object, so that the flexible cushion block and the cylinder-shaped object can be reliably attached to each other, and the working reliability of the vibration damper is ensured.
Further, as shown in fig. 1, a thread is locally disposed on an outer surface of the guide rod 22 of the upper guide post unit 2, a clamping groove is disposed on an inner wall of the sleeve 41 of the lower guide cylinder unit 4, a clamping nut 5 is in thread fit with the guide rod 22, and the clamping nut 5 is located in the clamping groove and is limited by the clamping groove. The clamping nut 5 can be matched with the threads on the guide rod 22 to lift up and down, the clamping groove position of the sleeve 41 is stopped, and the clamping nut 5 is limited through the clamping groove.
Further, referring to fig. 4, a stepped through hole is machined in one end of the sleeve 41, which is away from the guide rod 22, along the axial direction thereof to serve as a clamping groove, and the clamping nut 5 is located in the stepped through hole and is limited by the stepped surface of the stepped through hole.
Furthermore, the guide rod 22 and the sleeve 41 are matched in two groups, so that the working reliability of the device can be ensured.
In the embodiment of the invention, when the elastic damping devices are adopted to support the transported cylinder-shaped object, one or more elastic damping devices can be adopted, as shown in figure 5, the upper surfaces of the flexible cushion blocks 1 of the elastic damping devices are attached to the surface of the transported cylinder-shaped object and are distributed at a plurality of positions to play a role of supporting the cylinder-shaped object. In operation, the air chamber 7 inflates the air bag 3 through the air pressure adjusting system 6.
When the clamping nut 5 is not in the limiting position, the height of the air bag 3 can be changed along with the amount of inflation, the inflation amount in the air bag 3 can be adjusted through the air pressure adjusting system 6, the supporting height of the whole elastic vibration damper is adjusted, the clamping nut 5 and the guide rod 22 matched with the clamping nut 5 move up and down in the clamping groove of the sleeve 41, so that the supporting plate 21 also moves up and down to ensure that the flexible cushion block 1 is tightly attached to the transported cylinder-shaped object.
When the clamping nut 5 is in the limiting position, the height of the air bag 3 is fixed, the heights of the clamping nut 5, the guide rod 22 and the support plate 21 are also unchanged, and the air pressure in the air bag 3 can be adjusted through the air pressure adjusting system 6 to adjust the support rigidity of the elastic vibration damper so as to adapt to the rigidity requirements of different positions of the cylindrical object on the elastic support point.
According to the elastic vibration damping device provided by the embodiment of the invention, the tubular object is supported by the flexible cushion block 1, and the pressure-adjustable air bag 3 is elastically supported by the connecting air chamber 7, so that the problem that the tubular object is damaged due to overload caused by overlarge deformation or overlarge vertical impact in the transportation process is solved, and the supporting rigidity of the elastic vibration damping device can be adjusted according to the deformation adaptability, the vibration characteristic and the bearable impact load of the tubular object.
In addition, the sleeve 41 is matched with the guide rod 22, so that the reliability and the stability of the up-and-down movement of the support plate 21 and the flexible cushion block 1 are ensured, the limiting nut 5 is used for limiting, the working reliability of the whole elastic vibration damping device is ensured, the deformation, the vibration and the vertical impact load of the barrel-shaped object are all in the adaptive range, and the safety of the barrel-shaped object in the transportation process is ensured.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. An elastic damping device for transporting a cylindrical object, characterized in that: the device comprises a flexible cushion block, an upper guide post unit, an air bag, a lower guide cylinder unit, an air pressure adjusting system and an air chamber;
the upper guide post unit comprises a support plate and a guide rod arranged on the support plate; the lower guide cylinder unit comprises a sleeve and a bottom plate, the bottom plate is arranged opposite to the support plate, and the sleeve is matched with the guide rod; the supporting plate is provided with a flexible cushion block, and an air bag is connected between the bottom plate and the supporting plate; the air bag is connected with an air pressure adjusting system, and the air pressure adjusting system is connected with an air chamber.
2. An elastomeric vibration damping device for the transport of tubulars according to claim 1, wherein: the supporting plate comprises a first supporting plate and a second supporting plate, the surface opposite to the second supporting plate is provided with the first supporting plate and the guide rods respectively, the surface of the first supporting plate, which is far away from the second supporting plate, is a curved surface, and the curved surface of the first supporting plate is provided with the flexible cushion block.
3. An elastomeric vibration damping device for the transport of tubulars according to claim 2, wherein: the curvature of the surface of the flexible cushion block is the same as that of the contact surface of the transported cylinder.
4. An elastomeric vibration damping device for the transport of tubulars according to claim 2, wherein: go up the guide bar surface part of guide post unit and be provided with the screw thread, sleeve inner wall on the guide cylinder unit is provided with the draw-in groove down, adopt the screens nut with guide bar screw-thread fit, the screens nut is located carry on spacingly in the draw-in groove and through the draw-in groove.
5. An elastomeric vibration damping device for the transport of tubulars according to claim 4, wherein: and a step through hole is machined at one end of the sleeve, which is far away from the guide rod, along the axial direction of the sleeve to be used as a clamping groove.
6. An elastomeric vibration damping device for the transport of tubulars according to claim 4, wherein: the guide rods and the sleeves are matched in two groups.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011643220.8A CN112693749A (en) | 2020-12-30 | 2020-12-30 | Elastic vibration damper for cylindrical object transportation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011643220.8A CN112693749A (en) | 2020-12-30 | 2020-12-30 | Elastic vibration damper for cylindrical object transportation |
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Publication Number | Publication Date |
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CN112693749A true CN112693749A (en) | 2021-04-23 |
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CN202011643220.8A Pending CN112693749A (en) | 2020-12-30 | 2020-12-30 | Elastic vibration damper for cylindrical object transportation |
Country Status (1)
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CN (1) | CN112693749A (en) |
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2020
- 2020-12-30 CN CN202011643220.8A patent/CN112693749A/en active Pending
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