CN215865713U - Guide mechanism of long-stroke vibration test bed bearing device - Google Patents
Guide mechanism of long-stroke vibration test bed bearing device Download PDFInfo
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- CN215865713U CN215865713U CN202122127343.2U CN202122127343U CN215865713U CN 215865713 U CN215865713 U CN 215865713U CN 202122127343 U CN202122127343 U CN 202122127343U CN 215865713 U CN215865713 U CN 215865713U
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- fixing plate
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- spring
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Abstract
The utility model discloses a guide mechanism of a bearing device of a long-stroke vibration test bed, which comprises a vibration bed, a bearing platform and a bearing spring assembly, wherein the bearing spring assembly comprises a plurality of superposed air springs, two adjacent bearing springs in the bearing spring assembly are connected through an air bag fixing plate, an air bag guide rod is arranged between each air bag fixing plate and at least one adjacent air bag fixing plate on one side of each air bag fixing plate, and the positions of the adjacent air bag guide rods are mutually staggered along the vibration direction of the vibration bed. This long-stroke vibration test platform bears device's guiding mechanism only sets up the gasbag guide bar between adjacent gasbag fixed plate, and stagger each other along the adjacent gasbag guide bar position of shaking table vibration direction, and adjacent gasbag guide bar directly can not interfere each other when the shaking table carries out long-stroke vibration test like this, can carry out spacing direction to the compression direction of air spring in addition, just so can effectively reduce to bear device's usage space.
Description
Technical Field
The utility model relates to an electric vibration table used in the field of mechanical environment test equipment, in particular to a guide mechanism for a long-stroke electric vibration table bearing device.
Background
The electric vibration table is used as a mechanical environment test device, is mainly used for verifying the quality of a product in a mechanical environment, and is widely applied to various fields such as national defense, aviation, aerospace, communication, electronics, automobiles, household appliances and the like along with the continuous improvement of requirements of people on the quality of the product. At present, the maximum stroke of a conventional vibration test bed is 50mm, and the maximum speed is 2 m/s. However, for some special occasions, such as verifying the functional and structural integrity of equipment on or in a carrier-based aircraft when bearing catapult take-off and arresting landing impacts, it is concluded that the catapult take-off and arresting landing impacts have the characteristics of transient state, alternation, low frequency, large displacement, high speed and the like, the maximum displacement of the electric vibration table is required to be 400mm, the maximum speed is required to be 6.5m/s, and the current common electric vibration table cannot meet the use requirements at all. For the vibrating table with large displacement, the currently adopted bearing mode is an air spring stacking mode, after a plurality of air springs are stacked, the phenomenon of inclination can be generated in the radial direction when the air springs are axially stressed to bear, therefore, guide rods are required to be arranged around the air springs, the existing guide rods are usually directly arranged along the vibrating direction of the vibrating table, and the guide rods can move up and down along with the bearing platform. The guide rod of the guide mechanism is long, and the long-stroke vibration test bed is large in displacement, so that a large bearing space needs to be arranged, the equipment structure is complex, and the installation and the use of the equipment are not facilitated. Therefore, a need exists for further improvement of the guide mechanism of the existing long-stroke vibration test bed bearing device.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to develop a bearing device guide mechanism of a long-stroke vibration test bed, which can effectively reduce the space of a bearing device.
The utility model provides a long-stroke vibration test bench bears guiding mechanism of device, includes shaking table, load-bearing platform and carrier spring subassembly, the carrier spring subassembly sets up the shaking table movable coil with between the load-bearing platform, the carrier spring subassembly includes a plurality of stack air springs together, connect through the gasbag fixed plate between two adjacent carrier springs in the carrier spring subassembly, every gasbag fixed plate is equipped with the gasbag guide bar at least between the adjacent gasbag fixed plate rather than one side, along shaking table vibration direction, adjacent gasbag guide bar position staggers each other.
Preferably, one end of each air bag guide rod is fixedly connected with the corresponding air bag fixing plate, and the other end of each air bag guide rod is slidably connected with the corresponding air bag fixing plate.
Preferably, the air bag fixing plate is of a polygonal structure, and a plurality of air bag guide rods are arranged on the air bag fixing plate.
Preferably, the upper end of the bearing spring assembly is connected with the bearing platform through an upper air bag fixing plate, and the lower end of the bearing spring assembly is connected with the vibrating table moving coil through a lower air bag fixing plate.
Preferably, a supporting guide rod is further arranged between the bearing platform and the vibration table.
The utility model provides a long stroke vibration test bench bears guiding mechanism of device, includes shaking table, load-bearing platform and carrier spring subassembly, the carrier spring subassembly sets up the shaking table movable coil with between the load-bearing platform, its characterized in that: the bearing component comprises a first air spring, a second air spring and a third air spring which are stacked from top to bottom, the first air spring and the second air spring are connected through a first air bag fixing plate, the second air spring and the third air spring are connected through a second air bag fixing plate, the third air spring is connected with a moving coil of the vibrating table through a lower air bag fixing plate, the bearing platform is provided with at least one first air bag guide rod between the first air bag fixing plates, the second air bag fixing plate is provided with at least one second air bag guide rod between the lower air bag fixing plates, and the first air bag guide rod and the second air bag guide rod are staggered in position along the vibrating direction of the vibrating table.
Preferably, three first air bag guide rods which are distributed in a triangular shape are arranged between the bearing platform and the first air bag fixing plate, and three second air bag guide rods which are distributed in a triangular shape are arranged between the second air bag fixing plate and the lower air bag fixing plate.
The technical scheme has the following beneficial effects: this long stroke vibration test platform bears device's guiding mechanism only sets up the gasbag guide bar between adjacent gasbag fixed plate, and stagger each other along the adjacent gasbag guide bar position of shaking table vibration direction, adjacent gasbag guide bar directly can not interfere each other when the shaking table carries out long stroke vibration test like this, can carry out spacing direction to the compression direction of air spring in addition, just so can effectively reduce the usage space of bearing device, make the installation of equipment use convenience more.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of the arrangement of two adjacent sets of balloon guide rods according to an embodiment of the present invention.
Element number description: 1. a vibrating table 2 and a bearing platform; 3. a first air spring; 4. a second air spring; 5. a third air spring; 6. a first balloon retainer plate; 7. a second airbag fixing plate; 8. a lower balloon fixing plate; 9. a first balloon guide rod; 10. a second airbag guide bar; 11. supporting the guide bar.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, this patent discloses a guiding mechanism of long stroke vibration test platform load-bearing device, including shaking table 1, load-bearing platform 2 and carrier spring subassembly, this carrier spring subassembly sets up between the movable coil of shaking table 1 and load-bearing platform 2, the carrier spring subassembly includes a plurality of stack air springs together, connect through the gasbag fixed plate between two adjacent carrier springs in the carrier spring subassembly, every gasbag fixed plate is equipped with the gasbag guide bar at least between the adjacent gasbag fixed plate of one side rather than, along shaking table vibration direction, certain angle staggers each other in adjacent gasbag guide bar position.
As a specific embodiment, the bearing assembly comprises a first air spring 3, a second air spring 4 and a third air spring 5 which are overlapped from top to bottom, the first air spring 3 is connected with the second air spring 4 through a first air bag fixing plate 6, the second air spring 4 is connected with the third air spring 5 through a second air bag fixing plate 7, the third air spring 7 is connected with a vibrating table moving coil through a lower air bag fixing plate 8, the joint of the upper table surface of the bearing platform 2 and the first air spring 3 can be regarded as an upper air bag fixing plate in the embodiment, at least one first air bag guide rod 9 is arranged between the upper table surface of the bearing platform and the first air bag fixing plate 6, at least one second air bag guide rod 10 is arranged between the second air bag fixing plate 7 and the lower air bag fixing plate 8, one end of the air bag guide rod is fixedly connected with the corresponding air bag fixing plate, the other end is connected with the corresponding air bag fixing plate in a sliding way. Therefore, when the vibrating table vibrates, the air bag guide rod can guide and limit the air bag, and the air bag is prevented from inclining in the transverse direction. The first air bag guide rod 9 and the second air bag guide rod 10 are staggered in the vibration direction of the vibrating table, so that mutual interference between adjacent air bag guide rods can be prevented, the use space of the bearing device can be effectively reduced, and the equipment is more convenient to install and use.
As a preferred embodiment, the airbag fixing plate has a polygonal structure, and a plurality of airbag guide rods are disposed on the airbag fixing plate, as shown in fig. 2, the airbag fixing plate has a triangular structure, and an airbag guide rod is disposed at each corner of the airbag fixing plate, and the positions of the first airbag guide rod 9 and the second airbag guide rod 10 are staggered by a certain angle. In this way the stability of the carrying device can be further improved. In order to prevent the situation of over-displacement in the vibration process, a limiting block can be arranged on the air bag guide rod to limit the moving distance of the air bag middle fixing plate.
As the preferred embodiment, in order to better support the bearing platform when a heavy workpiece is made, a support guide rod 11 is arranged between the bearing platform 2 and the body of the vibration table 1, the upper end of the support guide rod 11 is connected with the bearing platform 2, and the support guide rod 8 can move up and down along the vibration table.
This long stroke vibration test platform bears device's guiding mechanism only sets up the gasbag guide bar between adjacent gasbag fixed plate, and stagger each other along the adjacent gasbag guide bar position of shaking table vibration direction, adjacent gasbag guide bar directly can not interfere each other when the shaking table carries out long stroke vibration test like this, can carry out spacing direction to the compression direction of air spring in addition, just so can effectively reduce the usage space of bearing device, make the installation of equipment use convenience more.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a long stroke vibration test bench bears guiding mechanism of device, includes shaking table, load-bearing platform and carrier spring subassembly, the carrier spring subassembly sets up the shaking table movable coil with between the load-bearing platform, the carrier spring subassembly includes a plurality of stacks air spring together, its characterized in that: two adjacent bearing springs in the bearing spring assembly are connected through an air bag fixing plate, an air bag guide rod is arranged between each air bag fixing plate and at least one adjacent air bag fixing plate on one side of each air bag fixing plate, and the positions of the adjacent air bag guide rods are staggered with each other along the vibration direction of the vibrating table.
2. The guide mechanism of the long-stroke vibration test bed bearing device according to claim 1, characterized in that: one end of the air bag guide rod is fixedly connected with the corresponding air bag fixing plate, and the other end of the air bag guide rod is connected with the corresponding air bag fixing plate in a sliding mode.
3. The guide mechanism of the long-stroke vibration test bed bearing device according to claim 1, characterized in that: the air bag fixing plate is of a polygonal structure, and a plurality of air bag guide rods are arranged on the air bag fixing plate.
4. The guide mechanism of the long-stroke vibration test bed bearing device according to claim 1, characterized in that: the upper end of the bearing spring assembly is connected with the bearing platform through an upper air bag fixing plate, and the lower end of the bearing spring assembly is connected with the vibrating table moving coil through a lower air bag fixing plate.
5. The guide mechanism of the long-stroke vibration test bed bearing device according to claim 1, characterized in that: and a support guide rod is also arranged between the bearing platform and the vibration table.
6. The utility model provides a long stroke vibration test bench bears guiding mechanism of device, includes shaking table, load-bearing platform and carrier spring subassembly, the carrier spring subassembly sets up the shaking table movable coil with between the load-bearing platform, its characterized in that: the bearing spring assembly comprises a first air spring, a second air spring and a third air spring which are stacked from top to bottom, the first air spring and the second air spring are connected through a first air bag fixing plate, the second air spring and the third air spring are connected through a second air bag fixing plate, the third air spring is connected with a moving coil of the vibrating table through a lower air bag fixing plate, the bearing platform is provided with at least one first air bag guide rod between the first air bag fixing plates, the second air bag fixing plate is provided with at least one second air bag guide rod between the lower air bag fixing plates, and the first air bag guide rod and the second air bag guide rod are staggered in position along the vibration direction of the vibrating table.
7. The guide mechanism of the long-stroke vibration test bed bearing device according to claim 6, wherein: three first air bag guide rods which are distributed in a triangular shape are arranged between the bearing platform and the first air bag fixing plate, and three second air bag guide rods which are distributed in a triangular shape are arranged between the second air bag fixing plate and the lower air bag fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122127343.2U CN215865713U (en) | 2021-09-03 | 2021-09-03 | Guide mechanism of long-stroke vibration test bed bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122127343.2U CN215865713U (en) | 2021-09-03 | 2021-09-03 | Guide mechanism of long-stroke vibration test bed bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865713U true CN215865713U (en) | 2022-02-18 |
Family
ID=80245684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122127343.2U Active CN215865713U (en) | 2021-09-03 | 2021-09-03 | Guide mechanism of long-stroke vibration test bed bearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215865713U (en) |
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2021
- 2021-09-03 CN CN202122127343.2U patent/CN215865713U/en active Active
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