CN218347841U

CN218347841U - Air spring expanding structure

Info

Publication number: CN218347841U
Application number: CN202222634537.6U
Authority: CN
Inventors: 刘铁军; 周瑞良
Original assignee: Xinshu Damping Technology Shanghai Co ltd
Current assignee: Xinshu Damping Technology Shanghai Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-20
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses an air spring extension structure belongs to air spring technical field. The air spring lifting device comprises a mounting frame, an air spring fixedly lifted below the top of the mounting frame, a lever component and a sliding rail component; the lever assembly consists of a lever and a support, one end of the lever is hinged with the bottom of the air spring, the other end of the lever extends out of the mounting frame and is hinged with the bottom of the sliding rail assembly, and a middle supporting point of the lever is hinged with the support fixed on the bottom surface of the mounting frame; the slide rail component is composed of a slide rail base, a limiting side plate, a supporting plate and a limiting pin. The air spring is installed on one side of the platform in an ectopic mode through the lever assembly, only the space of the sliding rail assembly is reserved at the bottom of the platform, and the air spring expanding structure can be used for a platform with a small bottom installation space.

Description

Air spring expanding structure

Technical Field

The utility model relates to an air spring extension structure belongs to air spring technical field.

Background

The air spring is formed by filling compressed air into a retractable sealed container and utilizing the elasticity of the air. After the air bag structure of the air spring is inflated, the spring effect can be provided. Air springs are typically used on the underside of the vibration isolation platform to directly damp the platform and equipment. The size of the space below each platform is limited, the volume of the expanded air spring is large, and the air spring with proper shape, size and parameters is difficult to find due to the parameter requirements of the platform on the air spring. Some platforms reserve less space below, can only install the air spring of less volume, but receive the parameter characteristic of little volume air spring itself, can't satisfy the requirement on parameters such as damping stroke, lift.

Therefore, the air spring extension structure is designed, the air spring is installed on one side of the platform in an ectopic mode through the extension structure, when the installation space below the platform is narrow, the air spring with the corresponding model can be selected according to the required parameter requirements, and the application scene of the air spring can be further extended through the extension structure.

Disclosure of Invention

The utility model aims to solve the technical problem that: the air spring expansion structure solves the problem that the required air spring cannot be installed due to the fact that the air spring installation space reserved below the existing part of platforms is narrow.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

an air spring extension structure comprises an installation frame, an air spring, a lever assembly and a slide rail assembly, wherein the air spring is fixedly hoisted below the top of the installation frame;

the lever assembly consists of a lever and a support, one end of the lever is hinged with the bottom of the air spring, the other end of the lever extends out of the mounting frame and is hinged with the bottom of the sliding rail assembly, and a middle supporting point of the lever is hinged with the support fixed on the bottom surface of the mounting frame;

the sliding rail component is composed of a sliding rail base, limiting side plates, a supporting plate and limiting pins, the bottom of the sliding rail base is hinged to the end portion of a lever, a pair of limiting side plates are fixed to two sides of the sliding rail base, inwards-concave limiting sliding grooves are formed in two sides of the supporting plate, the supporting plate is placed between the pair of limiting side plates of the sliding rail base, a pair of limiting pins located in the same axial direction are fixed to the pair of limiting side plates, and the end portions of the pair of limiting pins stretch into the limiting sliding grooves in the corresponding side of the supporting plate.

During the use, firmly fix the installation frame wholly near the platform subaerial, install the layer board in the platform bottom, then arrange the layer board in the spacing curb plate of slide rail base between, through spacing round pin and the cooperation of spacing spout on the spacing curb plate, the translation stroke of restriction layer board.

High-pressure air is gradually introduced into the air spring, and after the air spring is pressed down, the supporting plate at the other end is lifted through the lever, so that the platform is supported.

Preferably, the two sides of the supporting plate are fixedly connected with limiting plates in a threaded manner, and limiting sliding grooves are symmetrically formed in the limiting plates.

The limiting sliding grooves are of detachable structures, limiting plates with different strokes can be installed and used as required, and the adaptability is better.

Preferably, the limiting pin is composed of a pin shaft and a hand-screwed screw head which are coaxially connected, a threaded portion is arranged at one end, close to the hand-screwed screw head, of the pin shaft, the limiting side plate is provided with a threaded hole matched with the threaded portion of the pin shaft, and the limiting pin is fixed with the threaded hole of the limiting side plate through a check washer in a threaded connection mode.

And the manual fixing mode of the hand-screwed screw head is adopted, so that the limiting pin is easy to disassemble, the supporting plate is separated from the slide rail base, and the supporting plate is convenient to replace and install.

Preferably, the installation frame comprises last spacing roof, base and pull rod, goes up spacing roof and base parallel arrangement, fixes through many pull rods between base and the last spacing baffle.

The upper limit top plate and the base are fixed through the plurality of pull rods, the whole structure is firmer, the fulcrums and the air springs are arranged inside the installation frame, the integration is good, and the integral installation and the migration are facilitated.

The beneficial effects of the utility model are that:

(1) The air spring is installed on one side of the platform in an ectopic mode through the lever assembly, only the space of the sliding rail assembly is reserved at the bottom of the platform, and the air spring expanding structure can be used for the platform with a small installation space at the bottom;

(2) The two ends of the lever assembly move in an arc line in the rotating process taking the fulcrum as the circle center, so that the platform is connected with the end part of the lever by adopting the sliding rail assembly, the transverse displacement between the platform and the lever is compensated, and the air spring is of a non-rigid structure, so that the transverse movement of the other end of the lever can be compensated;

(3) By adopting the expansion structure, different air springs can be adopted according to the bearing capacity and the damping stroke required by the platform, and the problem of installation space is avoided;

(4) The supporting plate and the sliding rail base in the sliding rail assembly are easy to disassemble, and different platform installation positions have different specification requirements on the supporting plate, so that the supporting plate easy to disassemble can be conveniently replaced according to platform requirements.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the lever assembly;

FIG. 3 is a schematic view of a slide rail assembly;

fig. 4 is a schematic structural view of the position limiting pin.

In the figure: 1. mounting the frame; 101. an upper limiting top plate; 102. a base; 103. a pull rod; 2. an air spring; 3. a lever assembly; 301. a lever; 302. a pillar; 4. a slide rail assembly; 401. a slide rail base; 402. a limiting side plate; 403. a pallet; 404. a limit pin; 405. a limiting chute; 406. a limiting plate; 407. a pin shaft; 408. screwing the screw head by hand; 5. c-shaped rings.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention will be further described with reference to the following embodiments.

Example 1

As shown in fig. 1 to fig. 3, the air spring expansion structure includes a mounting frame 1, an air spring 2 fixed to the bottom of the mounting frame 1 by hoisting, a lever assembly 3, and a sliding rail assembly 4.

The air spring 2 is a commercially available air bag type air spring 2. The mounting frame 1 is formed by welding an upper limiting top plate 101, a base 102 and a pull rod 103 which are made of steel, the upper limiting top plate 101 and the base 102 are arranged in parallel, and the base 102 and the upper limiting baffle are welded and fixed through a plurality of pull rods 103. Go up and adopt many pull rods 103 fixed between spacing roof 101, the base 102, it is whole more firm, the fulcrum all is inside installation frame 1 with air spring 2, and an organic whole nature is good, be convenient for integral erection and migration.

The lever assembly 3 is composed of a lever 301 and a support column 302, one end of the lever 301 is hinged with the bottom of the air spring 2, the other end of the lever 301 extends out of the mounting frame 1 and is hinged with the bottom of the sliding rail assembly 4, and the middle supporting point of the lever 301 is hinged with the support column 302 fixed on the bottom surface of the mounting frame 1;

the hinged structures at the two ends of the lever 301 adopt two C-shaped rings 5 which are buckled together, one C-shaped ring 5 is welded at the end part of the lever 301, and the other C-shaped ring 5 is welded at the bottom part of the air spring 2; or one C-shaped ring 5 is welded at the end of the lever 301, and the other C-shaped ring 5 is welded at the bottom of the sliding rail assembly 4. The C-rings 5 snapped together enable a universal hinge connection.

The slide rail assembly 4 is composed of a slide rail base 401, limiting side plates 402, a supporting plate 403 and limiting pins 404, wherein the bottom of the slide rail base 401 is hinged to the end portion of the lever 301, a pair of limiting side plates 402 are fixed to two sides of the slide rail base 401, concave limiting sliding grooves 405 are formed in two sides of the supporting plate 403, the supporting plate 403 is placed between the limiting side plates 402 of the slide rail base 401, a pair of limiting pins 404 located in the same axial direction are fixed to the limiting side plates 402, and the end portions of the limiting pins 404 extend into the limiting sliding grooves 405 on one corresponding side of the supporting plate 403.

The upper portion of the supporting plate 403 and the platform are provided with corresponding mounting screw holes for fixing, the lower portion of the supporting plate 403 is a limiting portion, and two sides of the limiting portion are provided with limiting sliding grooves 405. The mounting screw holes of different platforms have different specifications and distributions, and a supporting plate 403 matched with the mounting screw holes of the platforms needs to be used, so that the supporting plate 403 adopts a mounting structure which is easy to detach and replace.

The use method and the working principle are as follows:

(1) The mounting frame 1 is integrally and firmly fixed on the ground near the platform;

(2) The supporting plate 403 is installed at the bottom of the platform, then the supporting plate 403 is placed between the limiting side plates 402 of the slide rail base 401, and the limiting pins 404 on the limiting side plates 402 are matched with the limiting sliding grooves 405 to limit the translation stroke of the supporting plate 403;

(3) High-pressure air is gradually introduced into the air spring 2, and after the air spring 2 is pressed down, the supporting plate 403 at the other end is lifted through the lever 301, so that the platform is supported;

(4) When the downward pressure of the platform changes, the supporting plate 403 moves up and down, and the sliding rail base 401 rotates up and down along an arc along with the supporting plate 403, at this time, in order to counteract the transverse movement of the arc movement of the sliding rail base 401, the supporting plate 403 moves transversely relative to the sliding rail base 401, and the air spring 2 at the other end of the lever 301 is of a non-rigid structure, so that the transverse movement at the other end of the lever 301 can be compensated.

Adopt lever assembly 3 to install air spring 2 ectopic in platform one side, and the space of slide rail set spare 4 is only reserved to the platform bottom, and this air spring extension structure can be used to the less platform of bottom installation space.

The two ends of the lever component 3 move in an arc manner in the rotating process taking the fulcrum as the circle center, so that the sliding rail component 4 is adopted to connect the platform with the end part of the lever 301, the transverse displacement between the platform and the lever 301 is compensated, and the air spring 2 is of a non-rigid structure (a flexible air bag structure), so that the transverse movement of the other end of the lever 301 can also be compensated.

By adopting the expanding structure, different air springs 2 can be adopted according to the bearing capacity and the damping stroke required by the platform.

The supporting plate 403 and the sliding rail base 401 in the sliding rail assembly 4 are easy to detach, and the specification requirements of different platform installation positions on the supporting plate 403 are different, so that the supporting plate 403 which is easy to detach can be conveniently replaced according to the platform requirements.

Example 2

As shown in fig. 1 and 3, the other structure is the same as that of embodiment 1, a limiting plate 406 is screwed and fixed to both sides of the supporting plate 403, and limiting sliding grooves 405 are symmetrically formed in the limiting plate 406.

The limit chute 405 is of a detachable structure, and limit plates 406 with different strokes can be installed and used as required. The use of different travel limit plates 406 has better adaptability to different platforms with different amplitudes of up and down vibration.

Example 3

As shown in fig. 1, 3, and 4, the other structure is the same as that of embodiment 1, the stopper pin 404 is composed of a pin shaft 407 and a hand screw head 408 coaxially connected, a threaded portion is provided at one end of the pin shaft 407 near the hand screw head 408, the stopper side plate 402 is provided with a threaded hole engaged with the threaded portion of the pin shaft 407, and the stopper pin 404 is fixed to the threaded hole of the stopper side plate 402 by a lock washer.

The limiting pin 404 is easily detached by adopting a manual fixing mode of a hand-screwed screw head 408, and the supporting plate 403 is separated from the sliding rail base 401, so that the supporting plate 403 is convenient to replace and install.

The air spring extension structure can be used in more occasions by extending the parameters of the air spring 2 through the lever 301. For example, the fulcrum of the lever 301 is disposed at different positions, which can be used to increase or decrease the load capacity of the air spring 2. In the present embodiment, the parameters of the present embodiment can be changed by replacing a different air spring 2 while maintaining the structure of the lever 301.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air spring expansion structure comprises an installation frame (1) and an air spring (2) which is fixedly hoisted below the top of the installation frame (1), and is characterized by further comprising a lever component (3) and a sliding rail component (4);

the lever assembly (3) is composed of a lever (301) and a support column (302), one end of the lever (301) is hinged to the bottom of the air spring (2), the other end of the lever (301) extends out of the mounting frame (1) and is hinged to the bottom of the sliding rail assembly (4), and a support column (302) fixed to the bottom surface of the mounting frame (1) is hinged to a middle supporting point of the lever (301);

slide rail set spare (4) comprises slide rail base (401), spacing curb plate (402), layer board (403), spacer pin (404), slide rail base (401) bottom is articulated with lever (301) tip, slide rail base (401) both sides are fixed with a pair of spacing curb plate (402), the both sides of layer board (403) are equipped with spacing spout (405) of indent, place between a pair of spacing curb plate (402) of slide rail base (401) layer board (403), be fixed with a pair of spacer pin (404) that are located same ascending axial on a pair of spacing curb plate (402), the tip of a pair of spacer pin (404) stretches into in spacing spout (405) of the corresponding one side of layer board (403).

2. The air spring expanding structure of claim 1, wherein limiting plates (406) are fixed to two sides of the supporting plate (403) in a threaded manner, and limiting sliding grooves (405) are symmetrically formed in the limiting plates (406).

3. The air spring extension structure is characterized in that the limiting pin (404) is composed of a pin shaft (407) and a coaxially connected hand screw head (408), a threaded portion is arranged at one end, close to the hand screw head (408), of the pin shaft (407), a threaded portion is arranged on the limiting side plate (402), a threaded hole matched with the threaded portion of the pin shaft (407) is formed in the limiting side plate, and the limiting pin (404) is fixed with the threaded hole of the limiting side plate (402) in a threaded mode through a lock washer.

4. Air spring extension according to claim 1, wherein the mounting frame (1) is composed of an upper limiting top plate (101), a base (102) and a pull rod (103), the upper limiting top plate (101) and the base (102) are arranged in parallel, and the base (102) and the upper limiting baffle are fixed by the plurality of pull rods (103).