阅读说明：本技术 可调式钢弹簧隔振器 (Adjustable steel spring vibration isolator ) 是由 梁树林 肖新标 周信 刘宇航 祁孟盂 张保军 于 2019-12-19 设计创作，主要内容包括：本发明公开了一种可调式钢弹簧隔振器,包括上安装板、下安装板、设置在所述上安装板与所述下安装板之间的钢弹簧、设置在所述下安装板下端的底板以及分别设置在所述上安装板两侧与所述底板两侧之间的调节机构；其结构可靠,操作便捷,通过调节限位杆上两限位圆环的高度,并通过紧固将将限位圆环固定于限位杆上,可以实现隔振器轴向限位高度可调的功能,针对不同的承载情况,均可保证隔振器具有相同的上下限位间隙,并且通过外置限位杆与限位折耳的空隙配合,实现径向限位,使得该隔振器同时具有三向限位功能,限位效果好。(The invention 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 two sides of the upper mounting plate and 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.)

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 1, 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.

Technical Field

The invention relates to the technical field of vibration isolation devices, in particular to an adjustable steel spring vibration isolator.

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.

Disclosure of Invention

The invention aims to provide an adjustable steel spring vibration isolator to solve the problem that the limiting effect is poor due to the fact that the existing vibration isolator cannot be adjusted.

The technical scheme for solving the technical problems is 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 invention has the following beneficial effects: the adjustable steel spring vibration isolator is reliable in structure and convenient to operate, the height of the two limiting rings on the limiting rod is adjusted, the limiting rings are fixed on the limiting rod through fastening, the function of adjusting the axial limiting height of the vibration isolator can be realized, the vibration isolator can be guaranteed to have the same upper limiting gap and the same lower limiting gap under different bearing conditions, radial limiting is realized through the clearance fit of the external limiting rod and the limiting folding lug, the vibration isolator has a three-dimensional limiting function, the limiting effect is good, large displacement of vibration isolation heavy objects can be effectively avoided through the limiting effect, the vibration isolator can be protected, the vibration isolator is prevented from being deformed to the maximum extent, the service life of the vibration isolator is prolonged, and the service performance of the vibration isolator is improved.

Drawings

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

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

FIG. 3 is a schematic diagram of the structure of the upper mounting plate according to the present invention;

FIG. 4 is a schematic view of a stop lever according to the present invention;

FIG. 5 is a schematic diagram of a lower mounting plate structure according to 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 this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the 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 usability of the limiting rod 50, as shown in fig. 4, in the present invention, the limiting rod 50 includes a fixing base 501 disposed on the bottom plate 4 and an adjusting rod 502 vertically connected to the fixing base 501, the fixing base 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. 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 the installation reliability of the steel spring 3, as shown in fig. 5, in the present invention, 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 both ends of the steel spring 3 are respectively embedded and fixed on the embedding ring 6 of the upper mounting plate 1 and the embedding ring 6 of the lower mounting plate 2. 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 purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.