CN211737844U

CN211737844U - Adjustable steel spring vibration isolator

Info

Publication number: CN211737844U
Application number: CN201922291764.1U
Authority: CN
Inventors: 梁树林; 肖新标; 周信; 刘宇航; 祁孟盂; 张保军
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-23
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an adjustable steel spring vibration isolator, which comprises an upper mounting plate, a lower mounting plate, a steel spring arranged between the upper mounting plate and the lower mounting plate, a bottom plate arranged at the lower end of the lower mounting plate and adjusting mechanisms respectively arranged between the two sides of the upper mounting plate and the two sides of the bottom plate; its reliable structure, the simple operation, through the height of adjusting two spacing rings on the gag lever post to through the fastening will be fixed in the gag lever post with spacing ring on, can realize the spacing height-adjustable's of isolator axial function, to the different load-carrying circumstance, all can guarantee that the isolator has the same spacing clearance from top to bottom, and through the clearance cooperation of external gag lever post and spacing book ear, realize radially spacing, make this isolator have three-dimensional limit function simultaneously, spacing effectual.

Description

Adjustable steel spring vibration isolator

Technical Field

The utility model relates to a vibration isolation device technical field, concretely relates to steel spring isolator with adjustable.

Background

Vibration isolators are typically installed between the genset and the mounting base to reduce the transfer of vibration energy and noise between the genset and the mounting base. But when the sudden earthquake or the vibration isolator is applied to a ship, the vibration isolator with the limiting function can effectively prevent the vibration isolator from being damaged due to extreme deformation.

At present, the existing steel spring vibration isolator in the industry rarely has a limiting function, and when the steel spring vibration isolator deforms to be damaged, the normal operation of a generator set can be seriously influenced, so that huge economic loss is caused. Some steel spring isolator have limit function, but when being applied to a generating set simultaneously with a plurality of steel spring vibration isolations, because the complexity of generating set geometry, be difficult to guarantee that all isolator all take place the same initial deformation, lead to the spacing clearance of isolator to change, consequently, when the isolator takes place great deformation, be difficult to guarantee that all isolator exert limit function simultaneously, influence isolator life and spacing performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel spring isolator with adjustable to solve current isolator and can not adjust and lead to spacing poor problem of effect.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the adjustable steel spring vibration isolator comprises an upper mounting plate, a lower mounting plate, a steel spring arranged between the upper mounting plate and the lower mounting plate, a bottom plate arranged at the lower end of the lower mounting plate and adjusting mechanisms respectively arranged between two sides of the upper mounting plate and two sides of the bottom plate;

adjustment mechanism is including setting up respectively the gag lever post of bottom plate both sides, setting are in go up mounting panel both sides and cover and establish spacing book ear and cover on the gag lever post are established spacing ring subassembly on the gag lever post, just spacing ring subassembly sets up respectively spacing top and the below of rolling over the ear.

Further, spacing ear of rolling over is including connecting perpendicularly go up the mounting panel side and connect perpendicularly towards the fixed plate of bottom plate and be in the fixed plate bottom just is towards the regulating plate at bottom plate edge, set up on the regulating plate with the regulation hole of gag lever post looks adaptation, the gag lever post runs through the regulation hole, spacing ring subassembly is located respectively the top and the below of regulating plate.

Furthermore, the limiting ring assembly comprises limiting rings which are respectively sleeved on the limiting rods and fasteners which are arranged on the limiting rings and used for locking the positions of the limiting rings.

Further, the gag lever post is including setting up fixing base on the bottom plate and perpendicular connection are in adjust the pole on the fixing base, just the fixing base with the gag lever post is connected for T type structure, regulating plate and spacing ring overlap respectively and are established adjust on the pole.

Furthermore, one side of the adjusting rod facing the fixed plate is an arc-shaped surface, one side of the adjusting rod facing the outer edge of the bottom plate is a straight plane, and the fastener penetrates through the limiting ring and is fastened on the straight plane.

Furthermore, the lower surface of the upper mounting plate and the upper surface of the lower mounting plate are respectively and uniformly distributed with corresponding embedded rings, and two ends of the steel spring are respectively embedded and fixed on the embedded rings of the upper mounting plate and the embedded rings of the lower mounting plate.

Further, the fixing seat is connected to the bottom plate through a bolt.

Furthermore, the fastener adopts the bolt, just seted up on the spacing ring with the screw hole of bolt looks adaptation.

The utility model discloses following beneficial effect has: the utility model provides a steel spring isolator with adjustable, its structure is reliable, the simple operation, height through adjusting two spacing rings on the gag lever post, and be fixed in the gag lever post with spacing ring through the fastening on, can realize the spacing height-adjustable's of isolator axial function, to the different load-bearing condition, all can guarantee that the isolator has the same upper and lower spacing clearance, and through the space cooperation of external gag lever post and spacing ear of rolling over, realize radially spacing, make this isolator have three-dimensional limit function simultaneously, spacing effectual, and can effectively avoid the vibration isolation heavy object to produce great displacement through limiting displacement, can also play the effect of protection isolator simultaneously, avoid the isolator to take place the limit deformation, prolong the life of isolator, the performance of isolator has been improved.

Drawings

FIG. 1 is a schematic view of a vibration isolator according to the present invention;

FIG. 2 is a front view of the isolator of the present invention;

FIG. 3 is a schematic view of the structure of the upper mounting plate of the present invention;

FIG. 4 is a schematic view of the structure of the middle stop lever of the present invention;

FIG. 5 is a schematic view of the structure of the middle and lower mounting plates of the present invention;

the reference numerals shown in fig. 1 to 5 are respectively expressed as: 1-upper mounting plate, 2-lower mounting plate, 3-steel spring, 4-bottom plate, 5-adjusting mechanism, 50-limiting rod, 51-limiting folding lug, 52-limiting ring component, 510-fixing plate, 511-adjusting plate, 512-adjusting hole, 520-limiting ring, 521-fastening piece, 501-fixing seat, 502-adjusting rod, 503-arc surface, 504-straight plane surface and 6-embedded ring.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 2, the adjustable steel spring vibration isolator includes an upper mounting plate 1, a lower mounting plate 2, a steel spring 3 disposed between the upper mounting plate 1 and the lower mounting plate 2, a bottom plate 4 disposed at the lower end of the lower mounting plate 2, and adjusting mechanisms 5 respectively disposed between two sides of the upper mounting plate 1 and two sides of the bottom plate 4. The steel spring 3 is in a cylindrical spiral shape, is uniformly arranged between the upper mounting plate 1 and the lower mounting plate 2, and provides vertical rigidity for the vibration isolator. The function of adjusting the axial limiting height of the vibration isolator can be realized through the adjusting mechanism 5, the vibration isolator can be guaranteed to have the same upper and lower limiting gaps according to different bearing conditions, and the limiting function is improved.

The adjusting mechanism 5 comprises limiting rods 50 respectively arranged on two sides of the bottom plate 4, limiting folding lugs 51 arranged on two sides of the upper mounting plate 1 and sleeved on the limiting rods 50, and limiting ring assemblies 52 sleeved on the limiting rods 50, wherein the limiting ring assemblies 52 are respectively arranged above and below the limiting folding lugs 51. The limiting rod 50 is in clearance fit with the limiting folding lug 51, the limiting folding lug 51 drives the upper mounting plate 1 to move up and down along the limiting rod 50, and the upper position and the lower position of the moving limiting folding lug 51 are fixed through the limiting ring assembly 52. When great displacement upwards takes place for the isolator, spacing ear 51 upper surface and the lower surface contact of the spacing ring subassembly 52 of top, when great displacement takes place downwards for the isolator, spacing ear 51 lower surface and the upper surface contact of the spacing ring subassembly 52 of below, when the isolator radially takes place great displacement simultaneously, spacing ear 51's internal surface and the contact of gag lever post 50 to the effectual isolator that prevents takes place limit deformation. And aiming at different bearing conditions, the height of the two limiting circular rings 520 on the limiting rod 50 is adjusted and fixed through the fastening piece 521, so that the function of adjusting the axial limiting height of the vibration isolator can be realized, and the vibration isolator is ensured to have the same upper and lower limiting gaps.

As shown in fig. 3, the limiting folding lug 51 includes a fixing plate 510 vertically connected to the side of the upper mounting plate 1 and facing the bottom plate 4, and an adjusting plate 511 vertically connected to the bottom end of the fixing plate 510 and facing the edge of the bottom plate 4, an adjusting hole 512 adapted to the limiting rod 50 is formed in the adjusting plate 511, the limiting rod 50 penetrates through the adjusting hole 512, and the limiting ring assemblies 52 are respectively located above and below the adjusting plate 511. The fixing plate 510 and the adjusting plate 511 are of an integrated structure, so that the fixing plate is high in structural strength and reliable in use. The adjusting holes 512 on the adjusting plate 511 are matched with the limiting rods 50, so that the vibration isolator is limited radially, and the limiting effect is good.

The limiting ring assembly 52 comprises a limiting ring 520 sleeved on the limiting rod 50 and a fastener 521 arranged on the limiting ring 520 and used for locking the position of the limiting ring 520. The stop ring 520 is adapted to the stop lever 50. The fastener 521 adopts a fastening bolt, a threaded hole matched with the fastening bolt is formed in the limiting ring 520, the fastening bolt is screwed into the threaded hole, the fastening bolt is screwed, so that the bottom end face of the fastening bolt is tightly contacted with the limiting rod 50, meanwhile, the inner surface of the limiting ring 520 is tightly contacted with the outer surface of the limiting rod 50, and the limiting ring 520 is fixed on the external limiting rod 50, so that the fixing effect is good.

In order to improve the performance of gag lever post 50, as shown in fig. 4, the utility model discloses in, gag lever post 50 is including setting up fixing base 501 on bottom plate 4 and the perpendicular regulation pole 502 of connecting on fixing base 501, and fixing base 501 is connected for T type structure with gag lever post 50, and regulating plate 511 and spacing ring 520 overlap respectively and establish on adjusting pole 502. The side of the adjusting rod 502 facing the fixing plate 510 is an arc surface 503, the side of the adjusting rod 502 facing the outer edge of the bottom plate 4 is a straight surface 504, and the fastening member 521 penetrates through the limiting ring 520 and is fastened on the straight surface 504. The fixing base 501 is connected to the bottom plate 4 through bolts. The fastener 521 is screwed into the limiting ring 520 and is in contact with the flat surface of the limiting rod 50, so that the fastening effect is improved, and the arc-shaped surface 503 is matched with the inner wall surface of the limiting ring 520, so that the limiting effect is improved.

In order to improve steel spring 3's installation reliability, as shown in fig. 5, the utility model discloses in, the lower surface of going up mounting panel 1 and the upper surface of lower mounting panel 2 equipartition respectively have corresponding solid ring 6 that inlays, steel spring 3's both ends are inlayed respectively and are fixed on the solid ring 6 that inlays of the solid ring 6 of last mounting panel 1 and mounting panel 2 down on the solid ring 6. The reliability of the steel spring 3 is improved through the embedded ring 6, the left and right displacement is prevented, and the overall structural performance of the vibration isolator is improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The adjustable steel spring vibration isolator is characterized by comprising an upper mounting plate (1), a lower mounting plate (2), a steel spring (3) arranged between the upper mounting plate (1) and the lower mounting plate (2), a bottom plate (4) arranged at the lower end of the lower mounting plate (2) and adjusting mechanisms (5) respectively arranged between two sides of the upper mounting plate (1) and two sides of the bottom plate (4);

adjustment mechanism (5) are including setting up respectively gag lever post (50), the setting of bottom plate (4) both sides are in go up mounting panel (1) both sides and cover and establish spacing book ear (51) and cover on gag lever post (50) are established spacing ring subassembly (52) on gag lever post (50), just spacing ring subassembly (52) set up respectively the top and the below of spacing book ear (51).

2. The adjustable steel spring vibration isolator according to claim 1, wherein the limiting folding lug (51) comprises a fixing plate (510) vertically connected to the side of the upper mounting plate (1) and facing the bottom plate (4) and an adjusting plate (511) vertically connected to the bottom end of the fixing plate (510) and facing the edge of the bottom plate (4), an adjusting hole (512) matched with the limiting rod (50) is formed in the adjusting plate (511), the limiting rod (50) penetrates through the adjusting hole (512), and the limiting ring component (52) is located above and below the adjusting plate (511) respectively.

3. The adjustable steel spring vibration isolator according to claim 2, characterized in that the limiting ring assembly (52) comprises limiting rings (520) respectively sleeved on the limiting rods (50) and fasteners (521) arranged on the limiting rings (520) and used for locking the positions of the limiting rings (520).

4. The adjustable steel spring vibration isolator according to claim 3, wherein the limiting rod (50) comprises a fixed seat (501) arranged on the bottom plate (4) and an adjusting rod (502) vertically connected to the fixed seat (501), the fixed seat (501) and the limiting rod (50) are connected to form a T-shaped structure, and the adjusting plate (511) and the limiting ring (520) are respectively sleeved on the adjusting rod (502).

5. The adjustable steel spring vibration isolator according to claim 4, characterized in that the side of the adjusting rod (502) facing the fixing plate (510) is an arc-shaped surface (503), the side of the adjusting rod (502) facing the outer edge of the base plate (4) is a straight plane (504), and the fastening member (521) penetrates through the limiting ring (520) and is fastened on the straight plane (504).

6. The adjustable steel spring vibration isolator of claim 1, wherein the lower surface of the upper mounting plate (1) and the upper surface of the lower mounting plate (2) are respectively and uniformly distributed with corresponding embedding rings (6), and two ends of the steel spring (3) are respectively embedded and fixed on the embedding rings (6) of the upper mounting plate (1) and the embedding rings (6) of the lower mounting plate (2).

7. The adjustable steel spring vibration isolator according to claim 4, characterized in that the fixed seat (501) is connected to the bottom plate (4) through bolts.

8. The adjustable steel spring vibration isolator of claim 3, wherein the fastener (521) is a bolt, and the limit ring (520) is provided with a threaded hole matched with the bolt.