Air spring assembly

Abstract

The utility model discloses an air spring assembly which comprises an air spring body, a waist ring is sleeved on the air spring body, the upper end of the air spring body is connected with a transverse plate through an upper annular plate, and the lower end of the air spring body is connected with a mounting base through a lower annular plate. The outer end of the transverse plate is connected with an arc plate extending vertically, the side face, opposite to the transverse plate, of the arc plate is arranged to be an arc face, a circular truncated cone coaxial with the air spring body is arranged at the upper end of the transverse plate, an air inlet penetrating through the transverse plate is formed in the middle of the circular truncated cone, and the circular truncated cone is detachably sleeved with a positioning ring. And an inclined support is arranged between the positioning ring and the arc plate. The upper end arc plate of the air spring assembly is connected to the side face of the cylindrical part, the lower end installation base is installed on the supporting part, compared with bottom face supporting, the bottom operation space of the cylindrical part is effectively increased through the side face supporting mode, and the vertical bending strength of the transverse plate is improved through the use of the positioning ring and the inclined support.

Description

Technical Field

[0001] The utility model relates to the field of air springs, in particular to an air spring assembly. Background Art

[0002] An air spring is a spring that is filled with compressed air in a retractable closed container and uses the elasticity of air. It is commonly known as an air bag, air bag cylinder, or leather bag cylinder.

[0003] Chinese patent CN202320108288.9 discloses a loading device for testing the high-frequency dynamic characteristics of elastic elements of a track structure, including a vertical gantry, a moving beam installed on the vertical gantry and capable of vertical sliding, a vertical vibrator installed at the bottom of the moving beam, a base, a plurality of columns installed on the base, and a static load beam vertically slidably sleeved on the plurality of columns, the static load beam being provided with a through hole for the loading end of the vertical vibrator to pass through, and a plurality of oil cylinders being provided between the static load beam and the base.

[0004] An air spring is provided in the loading device for testing the high-frequency dynamic characteristics of the elastic element of the track structure. Connecting plates are provided at both ends of the air spring. The connecting plates at both ends are respectively fixed in the U-shaped frame and on the corresponding exciter. The outer side of the exciter is cylindrical as a whole. Directly installing the air spring on the outer side of the exciter through the connecting plate will lead to reduced stability and weak vertical bending strength. Utility Model Content

[0005] The purpose of the utility model is to provide an air spring assembly, the upper arc plate of the air spring assembly is connected to the side of the cylindrical member, and the lower mounting base is installed on the supporting member. The side support method is compared with the bottom support to effectively increase the bottom operating space of the cylindrical member, and the vertical bending strength of the transverse plate is increased by using a positioning ring and an inclined support.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an air spring assembly, including an air spring body, a waist ring is provided on the air spring body, the upper end of the air spring body is connected to a transverse plate through an upper annular plate, the lower end of the air spring body is connected to a mounting base through a lower annular plate, the outer end of the transverse plate is connected to a vertically extending arc plate, the side of the arc plate facing away from the transverse plate is set as an arc surface, the upper end of the transverse plate is provided with a frustum coaxial with the air spring body, the middle part of the frustum is provided with an air inlet penetrating the transverse plate, a positioning ring is detachably provided on the outside of the frustum, and an inclined support is provided between the positioning ring and the arc plate.

[0007] Preferably, a plurality of upper countersunk holes are circumferentially arranged on the upper annular plate, and upper bolts are inserted into the upper countersunk holes and sequentially penetrate the upper annular plate, the transverse plate and the positioning ring, and the upper ends of the upper bolts are locked by first nuts.

[0008] Preferably, the mounting base includes a connecting plate and a mounting plate connected to the connecting plate via a supporting column, the diameter of the mounting plate is larger than the diameter of the connecting plate, and the mounting plate is provided with a plurality of first mounting holes along the circumferential direction.

[0009] Preferably, a plurality of countersunk holes are circumferentially arranged on the lower annular plate, and lower bolts are inserted into the countersunk holes and sequentially penetrate the lower annular plate and the connecting plate, and the lower ends of the lower bolts are locked by second nuts.

[0010] Preferably, a protrusion is provided in the middle of the arc plate facing the horizontal plate, a vertical slot is provided on the protrusion, and the upper end of the oblique support is connected to a vertical plate inserted into the vertical slot through an upper horizontal plate.

[0011] Preferably, a plurality of inner support plates are fixedly connected between the oblique support and the upper horizontal plate, and the side surfaces of the inner support plates facing the protrusion are attached to the outer sides of the protrusion.

[0012] Preferably, the lower end of the oblique support is connected to the positioning ring via a lower horizontal plate, and a plurality of outer support plates are provided between the oblique support and the positioning ring.

[0013] Preferably, a notch for engaging with the upper horizontal plate is provided on the front side of the vertical slot.

[0014] Preferably, the side surfaces of the arc plate facing the transverse plate and located on both sides of the oblique support are arranged as vertical planes, and a plurality of second mounting holes are arranged on the vertical planes.

[0015] According to the above technical scheme, the utility model provides an air spring assembly, including an air spring body, a waist ring is provided on the air spring body, the upper end of the air spring body is connected to a transverse plate through an upper annular plate, the lower end of the air spring body is connected to a mounting base through a lower annular plate, the outer end of the transverse plate is connected to a vertically extending arc plate, the side of the arc plate facing away from the transverse plate is set as an arc surface, the upper end of the transverse plate is provided with a frustum coaxial with the air spring body, the middle part of the frustum is provided with an air inlet penetrating the transverse plate, a positioning ring is detachably provided on the outside of the frustum, and an inclined support is provided between the positioning ring and the arc plate.

[0016] The usage and beneficial effects of the air spring assembly are as follows: when in use, multiple air spring assemblies are installed on the side of the cylindrical part in a circumferential direction through an arc plate, and then the air spring assembly is installed on the support component for support through a mounting base. The arrangement of multiple air spring assemblies plays a vibration isolation role, thereby preventing the vibration generated by the cylindrical part during use from being directly transmitted to the support component, thereby affecting the stability of the support component during use.

[0017] In addition, the upper arc plate of the air spring assembly is connected to the side of the cylindrical member, and the lower mounting base is installed on the supporting component. The bottom operating space of the cylindrical member is effectively increased through side support, and the vertical bending strength of the transverse plate is increased through the use of positioning rings and oblique supports.

[0018] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of an air spring assembly;

[0021] Figure 2 is a schematic diagram of a top view of a preferred embodiment of an air spring assembly;

[0022] Figure 3 yes Figure 2 AA cross-sectional structural diagram;

[0023] Figure 4 yes Figure 2 Schematic diagram of the BB cross-section structure.

[0024] Description of Reference Numerals

[0025] 1-air spring body; 2-upper annular plate; 3-recess; 4-upper bolt; 5-cone; 6-first nut; 7-air inlet; 8-lower horizontal plate; 9-outer support plate; 10-inner support plate; 11-oblique support; 12-upper horizontal plate; 13-bump; 14-second mounting hole; 15-vertical plane; 16-arc plate; 17-transverse plate; 18-waist ring; 19-connecting plate; 20-lower bolt; 21-lower annular plate; 22-mounting plate; 23-first mounting hole; 24-positioning ring; 25-vertical slot; 26-vertical plate; 27-support column; 28-upper countersunk hole; 29-lower countersunk hole; 30-second nut. DETAILED DESCRIPTION

[0026] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0027] In the present utility model, unless otherwise stated, directional words contained in terms such as "up, down, left, right, front, back, inside, outside" merely represent the orientation of the terms in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the terms.

[0028] See also Figure 1-4 The air spring assembly shown includes an air spring body 1, on which a waist ring 18 is provided, the upper end of the air spring body 1 is connected to a transverse plate 17 via an upper annular plate 2, the lower end of the air spring body 1 is connected to a mounting base via a lower annular plate 21, the outer end of the transverse plate 17 is connected to a vertically extending arc plate 16, the side of the arc plate 16 facing away from the transverse plate 17 is set as an arc surface, the upper end of the transverse plate 17 is provided with a frustum 5 coaxial with the air spring body 1, the middle part of the frustum 5 is provided with an air inlet 7 penetrating the transverse plate 17, the outside of the frustum 5 is detachably provided with a positioning ring 24, and an inclined support 11 is provided between the positioning ring 24 and the arc plate 16.

[0029] Through the implementation of the above technical solution, when in use, by installing multiple air spring assemblies on the side of the cylindrical member through the arc plate 16 in a circumferential direction, and then installing the air spring assembly on the support component for support through the mounting base, the arrangement of multiple air spring assemblies plays a vibration isolation role, avoiding the vibration generated by the cylindrical member when in use from being directly transmitted to the support component, thereby affecting the stability of the support component. In addition, the upper arc plate 16 of the air spring assembly is connected to the side of the cylindrical member, and the lower mounting base is installed on the support component. Compared with the bottom support, the side support effectively increases the bottom operating space of the cylindrical member, and the use of the positioning ring 24 and the inclined support 11 increases the vertical bending strength of the transverse plate 17.

[0030] In this embodiment, a plurality of upper countersunk holes 28 are arranged on the upper annular plate 2 along the circumferential direction, and upper bolts 4 are inserted into the upper countersunk holes 28, which sequentially penetrate the upper annular plate 2, the transverse plate 17 and the positioning ring 24, and the upper ends of the upper bolts 4 are locked by the first nuts 6. The countersunk portion of the upper countersunk holes 28 is at the lower part of the upper annular plate 2. The upper annular plate 2, as a component of the air spring body 1, is engaged and connected with the upper end of the airbag on the air spring body 1. By setting the upper bolts 4 and locking the first nuts 6, the upper annular plate 2, the transverse plate 17 and the positioning ring 24 are locked and fixed together, so that the transverse plate 17 and the positioning ring 24 are detachable.

[0031] In this embodiment, in order to further provide a mounting base, the mounting base includes a connecting plate 19, and a mounting plate 22 connected to the connecting plate 19 through a supporting column 27, the diameter of the mounting plate 22 is larger than the diameter of the connecting plate 19, and the mounting plate 22 is circumferentially provided with a plurality of first mounting holes 23. When in use, the mounting plate 22 is fixed to the bearing component by screws corresponding to the first mounting holes 23.

[0032] In this embodiment, a plurality of lower countersunk holes 29 are provided on the lower annular plate 21 along the circumferential direction, and lower bolts 20 are inserted into the lower countersunk holes 29 and penetrate the lower annular plate 21 and the connecting plate 19 in sequence, and the lower ends of the lower bolts 20 are locked by the second nuts 30. The countersunk parts of the lower countersunk holes 29 are located at the upper part of the lower annular plate 21, and the lower annular plate 21, as a component of the air spring body 1, is engaged and connected with the lower end of the airbag on the air spring body 1, and then the lower annular plate 21 and the connecting plate 19 are fixed by locking the lower bolts 20 and the second nuts 30.

[0033] In this embodiment, a protrusion 13 is provided in the middle of the arc plate 16 facing the horizontal plate 17, a vertical slot 25 is provided on the protrusion 13, and the upper end of the oblique support 11 is connected to a vertical plate 26 inserted into the vertical slot 25 through the upper horizontal plate 12. Through such a setting, the positioning ring 24, the oblique support 11, the upper horizontal plate 12 and the vertical plate 26 are regarded as a whole, and when assembling, the positioning ring 24 is sleeved on the round table 5, and then the vertical plate 26 is inserted into the vertical slot 25 to achieve double positioning.

[0034] In this embodiment, a plurality of inner support plates 10 are fixedly connected between the oblique support 11 and the upper horizontal plate 12, and the side of the inner support plate 10 facing the protrusion 13 is attached to the outer side of the protrusion 13. Through such an arrangement, the strength of the oblique support 11 can be improved by the plurality of inner support plates 10.

[0035] In this embodiment, the lower end of the oblique support 11 is connected to the positioning ring 24 via a lower horizontal plate 8, and a plurality of outer support plates 9 are disposed between the oblique support 11 and the positioning ring 24. Through such an arrangement, the strength of the oblique support 11 can be further improved through the plurality of outer support plates 9.

[0036] In this embodiment, the front side of the vertical slot 25 is provided with a notch 3 for engaging the upper horizontal plate 12. By providing the notch 3, the upper horizontal plate 12 can be engaged and restricted therein, thereby reducing the overall height.

[0037] In this embodiment, the side of the arc plate 16 facing the horizontal plate 17 and located on both sides of the oblique support 11 is set as a vertical plane 15, and a plurality of second mounting holes 14 are set on the vertical plane 15. Through such a setting, when the screw passes through the second mounting hole 14 and is installed on the cylindrical member, the screw cap end can be tightly attached to the vertical plane 15, making the installation more stable. In addition, a flat washer and a clamping ring can be set between the cap end and the cylindrical member to increase the stability in use.

[0038] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0039] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0040] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. An air spring assembly, characterized in that: The air spring assembly comprises an air spring body (1), a waist ring (18) is sleeved on the air spring body (1), the upper end of the air spring body (1) is connected to a transverse plate (17) via an upper annular plate (2), the lower end of the air spring body (1) is connected to a mounting base via a lower annular plate (21), the outer end of the transverse plate (17) is connected to a vertically extending arc plate (16), the side of the arc plate (16) facing away from the transverse plate (17) is arranged as an arc surface, the upper end of the transverse plate (17) is provided with a truncated cone (5) coaxial with the air spring body (1), the middle part of the truncated cone (5) is provided with an air inlet (7) penetrating the transverse plate (17), the outer side of the truncated cone (5) is detachably sleeved with a positioning ring (24), and an inclined support (11) is arranged between the positioning ring (24) and the arc plate (16).

2. The air spring assembly according to claim 1, characterized in that: A plurality of upper countersunk holes (28) are arranged on the upper annular plate (2) along the circumferential direction, and upper bolts (4) are inserted into the upper countersunk holes (28) and pass through the upper annular plate (2), the transverse plate (17) and the positioning ring (24) in sequence, and the upper ends of the upper bolts (4) are locked by means of first nuts (6).

3. The air spring assembly according to claim 1, characterized in that The mounting base comprises a connecting plate (19) and a mounting plate (22) connected to the connecting plate (19) via a supporting column (27); the diameter of the mounting plate (22) is larger than the diameter of the connecting plate (19); and the mounting plate (22) is provided with a plurality of first mounting holes (23) along a circumferential direction.

4. The air spring assembly according to claim 3, characterized in that: A plurality of lower countersunk holes (29) are arranged on the lower annular plate (21) along the circumferential direction, and lower bolts (20) are inserted into the lower countersunk holes (29) and pass through the lower annular plate (21) and the connecting plate (19) in sequence, and the lower ends of the lower bolts (20) are locked by second nuts (30).

5. The air spring assembly according to claim 1, characterized in that A protrusion (13) is provided in the middle of the arc plate (16) on the side facing the transverse plate (17), and a vertical slot (25) is provided on the protrusion (13). The upper end of the inclined support (11) is connected to a vertical plate (26) inserted into the vertical slot (25) through an upper horizontal plate (12).

6. The air spring assembly according to claim 5, characterized in that A plurality of inner support plates (10) are fixedly connected between the oblique support (11) and the upper horizontal plate (12), and the side surfaces of the inner support plates (10) facing the protrusion (13) are attached to the outer side of the protrusion (13).

7. The air spring assembly according to claim 6, characterized in that The lower end of the inclined support (11) is connected to the positioning ring (24) via a lower horizontal plate (8), and a plurality of outer support plates (9) are provided between the inclined support (11) and the positioning ring (24).

8. The air spring assembly according to claim 5, characterized in that The front side of the vertical slot (25) is provided with a notch (3) for engaging with the upper horizontal plate (12).

9. The air spring assembly according to claim 1, wherein: The side of the circular arc plate (16) facing the transverse plate (17) and located on both sides of the inclined support (11) is set as a vertical plane (15), and a plurality of second mounting holes (14) are set on the vertical plane (15).

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