CN211202735U

CN211202735U - Nonlinear shock insulation structure in vibration isolator for floating slab track

Info

Publication number: CN211202735U
Application number: CN201922355293.6U
Authority: CN
Inventors: 毛雷军; 毛超豪
Original assignee: Ningbo Leishi Industrial Co ltd
Current assignee: Ningbo Leishi Industrial Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-07
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a nonlinear shock insulation structure in a shock isolator for a floating slab track, which comprises a bolt, a shock insulation ring, a square round spring, an upper cover, a steel spring and a base; the upper end of the steel spring is abutted against the upper cover, the lower end of the steel spring is abutted against the base, a gap is reserved between the lower end surface of the steel spring and the upper end surface of the base, and the upper cover can move up and down; the shock insulation ring and the square round spring are arranged in the upper cover counter bore, the shock insulation ring can be arranged in the upper cover counter bore in a vertically sliding mode, the upper end of the square round spring is abutted against the shock insulation ring, and the lower end of the square round spring is abutted against the upper cover; the bolt penetrates through the shock insulation ring, the square round spring and the upper cover to be fixed with the base in a threaded manner. The utility model relates to an ingenious, shock-resistant, structure long service life can play the shock attenuation effect of shocking resistance when the train passes through.

Description

Nonlinear shock insulation structure in vibration isolator for floating slab track

Technical Field

The utility model relates to a isolator technical field especially relates to a nonlinear shock insulation structure in isolator for floating slab track.

Background

Vibration isolators are elastomeric elements that connect equipment to a foundation to reduce and eliminate vibration forces and vibrations transmitted from the equipment to the foundation. Steel spring isolators can be used from equipment weighing hundreds of tons to light precision instruments, typically at static compression levels greater than 5 cm or where temperature and other environmental conditions do not permit the use of rubber or like materials. The vibration isolator can also be used on a train, and the conventional vibration isolator has short service life and poor shock absorption and impact resistance.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a nonlinear shock insulation structure in isolator for floating slab track to overcome life weak point among the prior art, shock attenuation and impact resistance are poor defect.

In order to solve the technical problem, the utility model provides a nonlinear shock insulation structure in a shock isolator for a floating slab track, which comprises a bolt, a shock insulation ring, a square round spring, an upper cover, a steel spring and a base; the upper end of the steel spring is abutted against the upper cover, the lower end of the steel spring is abutted against the base, a gap is reserved between the lower end surface of the steel spring and the upper end surface of the base, and the upper cover can move up and down; the shock insulation ring and the square round spring are arranged in the upper cover counter bore, the shock insulation ring can be arranged in the upper cover counter bore in a vertically sliding mode, the upper end of the square round spring is abutted against the shock insulation ring, and the lower end of the square round spring is abutted against the upper cover; the bolt penetrates through the shock insulation ring, the square round spring and the upper cover to be fixed with the base in a threaded manner.

Preferably, the dust-proof device further comprises a first clamp, a second clamp and a dust-proof sleeve, wherein the dust-proof sleeve is arranged at a gap between the upper cover and the base; the first clamp is arranged at the upper end of the dustproof sleeve, and the dustproof sleeve is arranged on the outer wall of the upper cover; the second clamp sets up the dirt proof boot lower extreme will the dirt proof boot is installed the base outer wall.

Preferably, the bolt further comprises a gasket, a washer and a screw, wherein the gasket is arranged in the bottom counter bore of the base, the screw is matched with the washer, and the screw penetrates through the washer and the gasket and is fixed with the bolt in a threaded manner.

Preferably, the upper cover and the base are provided with grooves for placing the steel springs.

Preferably, a plurality of screw mounting holes are uniformly distributed at the upper end of the upper cover.

The utility model provides a nonlinear shock insulation structure in isolator for floating slab track, design benefit, shock-resistant, structure long service life can play the shock attenuation effect of shocking resistance when the train passes through.

Drawings

FIG. 1 is an exploded view of a nonlinear seismic isolation structure in a vibration isolator for a floating slab track according to the present invention;

fig. 2 is a half-sectional view of the nonlinear seismic isolation structure in the vibration isolator for the floating slab track of the utility model.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

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 of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

In this embodiment, referring to fig. 1 and fig. 2, the nonlinear vibration isolation structure in the vibration isolator for a floating slab track of the present invention includes a bolt 10, a vibration isolation ring 20, a square round spring 30, an upper cover 40, a steel spring 50, and a base 60; the upper end of the steel spring 50 is abutted against the upper cover 40, the lower end of the steel spring is abutted against the base 60, a gap is reserved between the lower end surface of the steel spring 50 and the upper end surface of the base 60, and the upper cover 40 can move up and down; the shock insulation ring 20 and the square round spring 30 are arranged in the counter bore of the upper cover 40, the shock insulation ring 20 is arranged in the counter bore of the upper cover 40 in a vertically sliding manner, the upper end of the square round spring 30 is abutted against the shock insulation ring 20, and the lower end of the square round spring 30 is abutted against the upper cover 40; the bolt 10 passes through the vibration isolation ring 20, the square round spring 30 and the upper cover 40 and is fixed with the base 60 in a threaded manner.

In order to further play a role of dust prevention, please refer to fig. 1 and fig. 2, further comprising a first clamp 70, a second clamp 80, and a dust-proof sleeve 90, wherein the dust-proof sleeve 90 is disposed at a gap between the upper cover 40 and the base 60; the first clamp 70 is arranged at the upper end of the dustproof sleeve 90, and the dustproof sleeve 90 is arranged on the outer wall of the upper cover 40; the second clamp 80 is arranged at the lower end of the dustproof sleeve 90, and the dustproof sleeve 90 is arranged on the outer wall of the base 60.

Referring to fig. 1 and 2, in order to increase the tensile force, prevent the bolt 10 from being pulled out, and perform a reinforcing function, the present invention further includes a washer 100, a washer 110, and a screw 120, the washer 100 is disposed in a bottom counterbore of the base 60, the screw 120 is engaged with the washer 110, and the screw 120 passes through the washer 110 and the washer 100 and is screwed with the bolt 10.

Referring to fig. 1 and 2, in order to facilitate the quick positioning and installation of the steel spring 50, the upper cover 40 and the base 60 are provided with a groove 130 for placing the steel spring 50.

In order to facilitate installation, a plurality of screw installation holes 401 are uniformly distributed at the upper end of the upper cover 40.

The square round spring 30 and the vibration isolating ring 20 are arranged in the counter bore of the upper cover 40 and then fixed by the bolt 10, so that the upper cover 40, the steel spring 50 and the base 60 are arranged together, the bottom is reinforced, and the gasket 100, the washer 110 and the screw 120 are arranged. The structure has the function of shock absorption and impact resistance when a train passes through. The square round spring 30 has a longer service life than the conventional spring by more than 1.5 digits.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A nonlinear shock insulation structure in a vibration isolator for a floating slab track is characterized in that: comprises a bolt (10), a shock insulation ring (20), a square round spring (30), an upper cover (40), a steel spring (50) and a base (60); the upper end of the steel spring (50) is abutted against the upper cover (40), the lower end of the steel spring is abutted against the base (60), a gap is reserved between the lower end surface of the steel spring (50) and the upper end surface of the base (60), and the upper cover (40) can move up and down; the shock insulation ring (20) and the square round spring (30) are arranged in a counter bore of the upper cover (40), the shock insulation ring (20) can be arranged in the counter bore of the upper cover (40) in a vertically sliding mode, the upper end of the square round spring (30) is abutted against the shock insulation ring (20), and the lower end of the square round spring (30) is abutted against the upper cover (40); the bolt (10) penetrates through the shock insulation ring (20), the square round spring (30) and the upper cover (40) to be fixedly connected with the base (60) in a threaded mode.

2. The structure of nonlinear vibration isolation in a vibration isolator for a floating slab track in accordance with claim 1, wherein: the dustproof cover is characterized by further comprising a first clamp (70), a second clamp (80) and a dustproof cover (90), wherein the dustproof cover (90) is arranged at a gap between the upper cover (40) and the base (60); the first clamp (70) is arranged at the upper end of the dustproof sleeve (90), and the dustproof sleeve (90) is arranged on the outer wall of the upper cover (40); the second clamp (80) is arranged at the lower end of the dustproof sleeve (90), and the dustproof sleeve (90) is installed on the outer wall of the base (60).

3. The structure of nonlinear vibration isolation in a vibration isolator for a floating slab track in accordance with claim 1, wherein: the bolt is characterized by further comprising a gasket (100), a washer (110) and a screw (120), wherein the gasket (100) is arranged in a bottom counter bore of the base (60), the screw (120) is matched with the washer (110), and the screw (120) penetrates through the washer (110) and the gasket (100) to be fixed with the bolt (10) in a threaded mode.

4. The structure of nonlinear vibration isolation in a vibration isolator for a floating slab track in accordance with claim 1, wherein: grooves (130) for placing the steel springs (50) are formed in the upper cover (40) and the base (60).

5. The nonlinear seismic isolation structure in the vibration isolator for a floating plate rail according to any one of claims 1 to 4, wherein: a plurality of screw mounting holes (401) are uniformly distributed at the upper end of the upper cover (40).