CN114776749A - High-efficiency damping spring shock absorber - Google Patents

High-efficiency damping spring shock absorber Download PDF

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Publication number
CN114776749A
CN114776749A CN202210541646.5A CN202210541646A CN114776749A CN 114776749 A CN114776749 A CN 114776749A CN 202210541646 A CN202210541646 A CN 202210541646A CN 114776749 A CN114776749 A CN 114776749A
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CN
China
Prior art keywords
plate
damping spring
arc
bolt
guide
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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.)
Pending
Application number
CN202210541646.5A
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Chinese (zh)
Inventor
刘伟良
陈联妹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Lifeng Shock Absorber Co ltd
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Guangzhou Lifeng Shock Absorber Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Lifeng Shock Absorber Co ltd filed Critical Guangzhou Lifeng Shock Absorber Co ltd
Priority to CN202210541646.5A priority Critical patent/CN114776749A/en
Publication of CN114776749A publication Critical patent/CN114776749A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/10Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a high-efficiency damping spring shock absorber which comprises a vibration isolation base plate, arc-shaped iron plates, a top plate, guide plates, a damping spring, a protective cover and bolts, wherein the two guide plates are symmetrically arranged on the lower surface of the top plate and are respectively positioned between the two arc-shaped iron plates, the outer wall profiles of the guide plates are matched with the inner wall profiles of the arc-shaped iron plates, a limiting rod is inserted and connected to the surface of each arc-shaped iron plate in a penetrating manner, a guide groove matched with the limiting rod is formed in the surface of each guide plate in a penetrating manner, one end, positioned on the inner side of each arc-shaped iron plate, of each limiting rod penetrates through the corresponding guide groove, and the bolts penetrating through the top of the protective cover are inserted and connected to the top of the protective cover; the positions of the guide plate and the arc-shaped iron plate are limited through the limiting rod and the guide groove, the guide plate is prevented from being separated from the arc-shaped iron plate, the guide plate is prevented from swinging relative to the arc-shaped iron plate through the limiting effect of the limiting rod and the guide groove, and the stability of the spring shock absorber is improved.

Description

High-efficient damping spring shock absorber
Technical Field
The invention relates to the technical field of spring shock absorbers, in particular to a high-efficiency damping spring shock absorber.
Background
The spring damper is mainly suitable for the vibration resistance of pipelines and equipment in nuclear power plants, thermal power plants, chemical plants, steel plants and the like; piping vibrations commonly used to control hang-up fluid vibration excitations (e.g., fluid pulsations, two-phase flow, high velocity flow, wind vibration, etc.); the guide plate and the arc-shaped iron plate of the existing spring damper are separated, the guide plate is easily separated from the arc-shaped iron plate, normal use of the spring damper is affected, and the spring is in a vertical single-degree-of-freedom vibration damping mode, so that the spring is easily subjected to transverse deviation under the condition of transverse vibration, and unstable conditions such as swinging occur.
Disclosure of Invention
The invention aims to provide an efficient damping spring shock absorber, which aims to solve the problems that a guide plate and an arc-shaped iron plate of the existing spring shock absorber are separated, the guide plate is easy to separate from the arc-shaped iron plate, the normal use of the spring shock absorber is influenced, and the spring is in a vertical single-degree-of-freedom vibration attenuation mode, so that the spring is easy to deviate transversely and is unstable in swinging and the like under the condition of transverse vibration.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency damping spring shock absorber comprises a vibration isolation bottom plate, an arc-shaped iron plate, a top plate, a guide plate, a damping spring, a protective cover and a bolt, two arc iron plates are symmetrically arranged on the surface of the vibration isolation bottom plate, a damping spring is arranged on one side of the surface of the vibration isolation bottom plate between the two arc iron plates, the top of the damping spring is provided with a protective cover, the lower surface of the top plate is symmetrically provided with two guide plates, the two guide plates are respectively positioned between the two arc-shaped iron plates, the outer wall profile of the guide plate is matched with the inner wall profile of the arc-shaped iron plate, a limiting rod is inserted on the surface of the arc-shaped iron plate in a penetrating manner, the guide plate surface runs through and is provided with the guide way that cooperates the gag lever post, the gag lever post is located the inboard one end of arc iron plate runs through the guide way, the grafting of protection casing top has the bolt that runs through the top.
And mounting grooves are formed in the centers of the two ends of the vibration isolation bottom plate.
The vibration isolation base plate comprises a vibration isolation base plate, a damping spring and a vibration isolation base plate, wherein the center of the upper surface of the vibration isolation base plate is fixedly provided with a rubber pad, and the bottom of the damping spring is fixedly arranged on the rubber pad.
The inner side of the arc-shaped iron plate is fixedly provided with a damping anti-swing rubber spacer block, the guide plate is positioned on the inner side of the damping anti-swing rubber spacer block, and the outline of the outer wall of the guide plate is matched with the outline of the inner wall of the damping anti-swing rubber spacer block.
The bolt is connected with the first nut in a threaded manner.
And a second nut is sleeved at one end of the bolt, which is positioned outside the top plate, in a threaded manner, and a gasket is sleeved at one side, which is positioned between the second nut and the top plate, of the outer wall of the bolt.
The top of the damping spring is fixedly provided with a fixing plate, and the fixing plate is fixedly arranged inside the protective cover.
The protective cover is internally provided with a centering pit disc, the bottom of the centering pit disc is fixedly connected with the fixed plate, and the bolt is located at one end inside the top plate and inserted into the centering pit disc.
Wherein, the positive heart nest dish with be provided with the rubber sleeve between the protection casing inner wall, the bolt is located the inside one end in top runs through the center department of rubber sleeve.
The protective cover is characterized in that a sleeve plate is fixedly mounted at the center of the top of the protective cover, and a bolt is located at the center of the sleeve plate and penetrates through one end of the inside of the top of the protective cover.
Compared with the prior art, the invention has the beneficial effects that:
the two guide plates are arranged between the two arc-shaped iron plates, the end part of the limiting rod penetrates through the guide groove, when the spring shock absorber is used, the spring shock absorber is connected with equipment through the second nut on the bolt, when the equipment is vibrated, the spring shock absorber is transmitted to the protective cover through the bolt, the vibration in the vertical direction is absorbed through the buffering of the damping spring, the top plate and the guide plates ascend and descend together in the stretching process of the damping spring, the guide plates ascend and descend along the arc-shaped iron plates, meanwhile, the guide grooves formed in the surfaces of the guide plates slide along the limiting rods, the positions of the guide plates and the arc-shaped iron plates are limited through the limiting rods and the guide grooves, the guide plates are prevented from being separated from the arc-shaped iron plates, the guide plates are prevented from swinging relative to the arc-shaped iron plates through the limiting action of the limiting rods and the guide grooves, and the stability of the spring shock absorber is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic top view of the present invention.
In FIGS. 1-4: 10. a vibration isolation base plate; 11. mounting grooves; 12. a rubber pad; 20. an arc-shaped iron plate; 21. damping anti-swing rubber spacer blocks; 22. a limiting rod; 30. a top plate; 31. a first nut; 32. a gasket; 33. a second nut; 40. a guide plate; 41. a guide groove; 50. a damping spring; 51. a fixing plate; 60. a protective cover; 61. a rubber sleeve; 62. a face-centered fossa disc; 63. sheathing; 70. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency damping spring shock absorber comprises a vibration isolation base plate 10, arc-shaped iron plates 20, a top plate 30, a guide plate 40, a damping spring 50, a protective cover 60 and bolts 70, wherein the two arc-shaped iron plates 20 are symmetrically arranged on the surface of the vibration isolation base plate 10, and the two arc-shaped iron plates 20 are symmetrically and fixedly arranged on the upper surface of the vibration isolation base plate 10 through the bolts; a damping spring 50 is arranged on one side of the surface of the vibration isolation base plate 10 between the two arc-shaped iron plates 20, and the damping spring 50 is fixedly arranged at the center of the upper surface of the vibration isolation base plate 10; the top of the damping spring 50 is provided with a protective cover 60, the lower surface of the top plate 30 is symmetrically provided with two guide plates 40, and the two guide plates 40 are symmetrically and fixedly arranged on the lower surface of the top plate 30 through bolts; the two guide plates 40 are respectively positioned between the two arc-shaped iron plates 20, the outer wall profile of the guide plates 40 is matched with the inner wall profile of the arc-shaped iron plates 20, and the top of the protective cover 60 is inserted with a bolt 70 penetrating through the top 30;
when the device vibrates, the spring damper is transmitted to the protective cover 60 and the damping spring 50 through the bolt 70, the vertical vibration is absorbed through the buffering of the damping spring 50, and the top plate 30 and the guide plate 40 ascend and descend along the arc-shaped iron plate 20 in the expansion process of the damping spring 50, so that the force transmitted by the bolt 70 is vertically upward, and the impact on the device is reduced.
Wherein, the surface of the arc iron plate 20 is inserted with a limiting rod 22, the limiting rod 22 is installed on the surface of the arc iron plate 20 by screw thread, the end of the limiting rod 22 extends to the inner side of the arc iron plate 20, the outer wall of the limiting rod 22 at the inner end of the arc iron plate 20 is smoothly arranged, the surface of the guide plate 40 is inserted with a guide groove 41 matched with the limiting rod 22, the end of the limiting rod 22 at the inner side of the arc iron plate 20 is inserted with the guide groove 41, in the extension and retraction process of the damping spring 50, the top plate 30 is lifted together with the guide plate 40, the guide plate 40 is lifted along the arc iron plate 20, the guide groove 41 arranged on the surface of the guide plate 40 slides along the limiting rod 22, the positions of the guide plate 40 and the arc iron plate 20 are limited by the limiting rod 22 and the guide groove 41, the guide plate 40 is prevented from being separated from the arc iron plate 20, and the guide plate 40 is prevented from swinging relative to the arc iron plate 20 by the limiting action of the limiting rod 22 and the guide groove 41, the stability of the spring damper is improved.
Wherein, mounting groove 11 has all been seted up to the center department at vibration isolation bottom plate 10 both ends, can install fixedly vibration isolation bottom plate 10 through mounting groove 11.
Wherein, the center department fixed mounting of vibration isolation bottom plate 10 upper surface has rubber pad 12, and damping spring 50's bottom fixed mounting separates damping spring 50 and vibration isolation bottom plate 10 through rubber pad 12 on rubber pad 12, receives the extrusion when flexible at damping spring 50, prevents that damping spring 50 from causing the damage to vibration isolation bottom plate 10, has improved the shock attenuation effect simultaneously.
Wherein, arc iron plate 20 inboard fixed mounting has damping anti-sway rubber spacer 21, and deflector 40 is located damping anti-sway rubber spacer 21 inboard, and the outer wall profile of deflector 40 is identical with the inner wall profile of damping anti-sway rubber spacer 21, through the cooperation of deflector 40, arc iron plate 20 and damping anti-sway rubber spacer 21, cushions the lateral force, has improved this spring damper's side direction support ability.
Wherein, the first nut 31 is fixedly installed at the center of the lower surface of the top 30, the bolt 70 penetrates through the first nut 31, and the bolt 70 is in threaded connection with the first nut 31, the bolt 70 can penetrate through the top 30 through the first nut 31, and the extension length of the bolt 70 under the top plate 30 can be adjusted by rotating the bolt 70.
Wherein, the second nut 33 is sleeved on one end of the bolt 70 positioned outside the top plate 30 through screw threads, the gasket 32 is sleeved on one side of the outer wall of the bolt 70 positioned between the second nut 33 and the top plate 30, when in use, the mounting hole of the equipment is sleeved on the bolt 70, then the second nut 33 is screwed, and the equipment and the bolt 70 can be connected together through the second nut 33, so that the equipment and the spring damper are connected together.
Wherein, a fixed plate 51 is fixedly installed at the top of the damping spring 50, and the fixed plate 51 is fixedly installed inside the protective cover 60; a centering pit disc 62 is arranged in the protective cover 60, the bottom of the centering pit disc 62 is fixedly connected with the fixed plate 51, and one end of the bolt 70, which is positioned in the top plate 30, is inserted into the centering pit disc 62;
further, the end of the bolt 70 penetrates the protective cover 60 and is inserted into the centering hole disc 62, when the equipment is vibrated, the external force is transmitted to the protective cover 60 through the bolt 70, then the external force is transmitted to the damping spring 50 through the centering hole disc 62 and the fixing plate 51, the vibration in the vertical direction is absorbed through the buffering of the damping spring 50, and in the expansion and contraction process of the damping spring 50, the top plate 30 and the guide plate 40 are lifted and descended together along the arc-shaped iron plate 20, so that the force transmitted by the bolt 70 is vertically upward, and the impact on the equipment is reduced.
Wherein, a rubber sleeve 61 is arranged between the center hole plate 62 and the inner wall of the protective cover 60, and one end of the bolt 70 positioned in the top 30 penetrates through the center of the rubber sleeve 61; a sleeve plate 63 is fixedly arranged at the center of the top of the protective cover 60, and one end of a bolt 70 positioned in the top 30 penetrates through the center of the sleeve plate 63; the end of the bolt 70 penetrates through the sleeve plate 63, the protective cover 60 and the rubber sleeve 61 and is inserted into the center hole disc 62, and in the expansion process of the damping spring 50, the rising force of the damping spring 50 is further buffered through the center hole disc 62 and the rubber sleeve 61, so that the force transmitted by the bolt 70 is vertically upward, and the impact on equipment is reduced.
The working principle is as follows: when the vibration isolation base plate is used, firstly, the vibration isolation base plate 10 is fixed through the mounting groove 11, then the mounting hole of equipment is sleeved on the bolt 70, then the second nut 33 is screwed, the equipment and the bolt 70 can be connected together through the second nut 33, so that the equipment and the spring shock absorber are connected together, when the equipment is vibrated, the vibration is transmitted to the protective cover 60 and the damping spring 50 through the bolt 70, the vibration in the vertical direction is absorbed through the buffering of the damping spring 50, and in the expansion and contraction process of the damping spring 50, the top plate 30 and the guide plate 40 lift along the arc-shaped iron plate 20, so that the force transmitted by the bolt 70 is vertically upward, and the impact on the equipment is reduced; meanwhile, in the telescopic process of the damping spring 50, the top plate 30 and the guide plate 40 lift together, the guide plate 40 lifts along the arc-shaped iron plate 20, meanwhile, the guide groove 41 formed in the surface of the guide plate 40 slides along the limiting rod 22, the positions of the guide plate 40 and the arc-shaped iron plate 20 are limited by the limiting rod 22 and the guide groove 41, the guide plate 40 is prevented from being separated from the arc-shaped iron plate 20, the guide plate 40 is prevented from swinging relative to the arc-shaped iron plate 20 through the limiting action of the limiting rod 22 and the guide groove 41, and the stability of the spring damper is improved.
It should be noted that although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a high-efficient damping spring shock absorber, includes vibration isolation bottom plate (10), arc iron plate (20), roof (30), deflector (40), damping spring (50), protection casing (60) and bolt (70), vibration isolation bottom plate (10) surface symmetry is provided with two arc iron plate (20), vibration isolation bottom plate (10) surface is located two one side between arc iron plate (20) is provided with damping spring (50), damping spring (50) top is provided with protection casing (60), roof (30) lower surface symmetry is provided with two deflector (40), two deflector (40) are located two respectively between arc iron plate (20), the outer wall profile of deflector (40) with the inner wall profile of arc iron plate (20) is identical, its characterized in that: the surface of the arc-shaped iron plate (20) is penetrated and inserted with a limiting rod (22), the surface of the guide plate (40) is penetrated and provided with a guide groove (41) matched with the limiting rod (22), one end of the limiting rod (22) positioned on the inner side of the arc-shaped iron plate (20) penetrates through the guide groove (41), and the top of the protective cover (60) is inserted with a bolt (70) penetrating through the top (30).
2. A highly efficient damping spring damper as set forth in claim 1 wherein: mounting grooves (11) are formed in the centers of two ends of the vibration isolation bottom plate (10).
3. The high efficiency damped spring shock absorber according to claim 1, wherein: the center of the upper surface of the vibration isolation base plate (10) is fixedly provided with a rubber pad (12), and the bottom of the damping spring (50) is fixedly arranged on the rubber pad (12).
4. A highly efficient damping spring damper as set forth in claim 1 wherein: the damping anti-swing rubber spacer block (21) is fixedly mounted on the inner side of the arc-shaped iron plate (20), the guide plate (40) is located on the inner side of the damping anti-swing rubber spacer block (21), and the outline of the outer wall of the guide plate (40) is matched with the outline of the inner wall of the damping anti-swing rubber spacer block (21).
5. The high efficiency damped spring shock absorber according to claim 1, wherein: the center department fixed mounting of top (30) lower surface has first nut (31), bolt (70) run through first nut (31), just bolt (70) and first nut (31) threaded connection.
6. An efficient damping spring damper as recited in claim 5 wherein: the bolt (70) is located one end thread of roof (30) outside is cup jointed second nut (33), bolt (70) outer wall is located one side cup joint gasket (32) between second nut (33) and roof (30).
7. A highly efficient damping spring damper as set forth in claim 1 wherein: the top of the damping spring (50) is fixedly provided with a fixing plate (51), and the fixing plate (51) is fixedly arranged inside the protective cover (60).
8. A highly efficient damping spring damper as set forth in claim 7 wherein: the protective cover (60) is internally provided with a centering pit plate (62), the bottom of the centering pit plate (62) is fixedly connected with the fixing plate (51), and the bolt (70) is positioned at one end inside the top plate (30) and inserted inside the centering pit plate (62).
9. A highly efficient damping spring damper as set forth in claim 8 wherein: the center hole aligning plate (62) and a rubber sleeve (61) are arranged between the inner walls of the protective covers (60), and the bolt (70) is located at the center of the rubber sleeve (61) which is penetrated by one end inside the top (30).
10. A highly efficient damping spring damper as set forth in claim 1 wherein: the center department fixed mounting at protection casing (60) top has lagging (63), bolt (70) are located the inside one end in top (30) runs through the center department of lagging (63).
CN202210541646.5A 2022-05-17 2022-05-17 High-efficiency damping spring shock absorber Pending CN114776749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210541646.5A CN114776749A (en) 2022-05-17 2022-05-17 High-efficiency damping spring shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210541646.5A CN114776749A (en) 2022-05-17 2022-05-17 High-efficiency damping spring shock absorber

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CN114776749A true CN114776749A (en) 2022-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025102792A1 (en) * 2023-11-13 2025-05-22 中铁合肥新型交通产业投资有限公司 Vibration damping device and rail transit bogie

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886203Y (en) * 2006-03-28 2007-04-04 盐城市宏达人工环境工程有限公司 Adjustable damping spring shock absorber
CN207333543U (en) * 2017-10-20 2018-05-08 四川嘉义索隐科技有限公司 Damping spring composite damper
CN212928648U (en) * 2020-06-22 2021-04-09 刘训志 Dismounting-free spring shock absorber suitable for fan transportation
CN213744675U (en) * 2020-10-10 2021-07-20 湖北三峡职业技术学院 Vibration damping foundation mechanism of environment-friendly spray pump for construction site
CN215950214U (en) * 2021-08-17 2022-03-04 常州泰达声学科技有限公司 Damping vibration attenuation connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886203Y (en) * 2006-03-28 2007-04-04 盐城市宏达人工环境工程有限公司 Adjustable damping spring shock absorber
CN207333543U (en) * 2017-10-20 2018-05-08 四川嘉义索隐科技有限公司 Damping spring composite damper
CN212928648U (en) * 2020-06-22 2021-04-09 刘训志 Dismounting-free spring shock absorber suitable for fan transportation
CN213744675U (en) * 2020-10-10 2021-07-20 湖北三峡职业技术学院 Vibration damping foundation mechanism of environment-friendly spray pump for construction site
CN215950214U (en) * 2021-08-17 2022-03-04 常州泰达声学科技有限公司 Damping vibration attenuation connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025102792A1 (en) * 2023-11-13 2025-05-22 中铁合肥新型交通产业投资有限公司 Vibration damping device and rail transit bogie

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Application publication date: 20220722