CN215253618U - Easily-assembled three-dimensional suspension shock isolation device - Google Patents
Easily-assembled three-dimensional suspension shock isolation device Download PDFInfo
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- CN215253618U CN215253618U CN202120832375.XU CN202120832375U CN215253618U CN 215253618 U CN215253618 U CN 215253618U CN 202120832375 U CN202120832375 U CN 202120832375U CN 215253618 U CN215253618 U CN 215253618U
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Abstract
The utility model discloses an easily assemble three-dimensional shock isolation device that hangs for the three-dimensional shock isolation that subtracts of underground structure in the foundation ditch, its characterized in that, three-dimensional shock isolation device that hangs includes perpendicular shock attenuation frame and suspension cable hanging flower basket system, wherein: the vertical shock absorption frame comprises an upper frame panel, a lower frame panel, a shock absorption component and a guide device, wherein the shock absorption component and the guide device are arranged between the upper frame panel and the lower frame panel; the suspension cable hanging basket system is arranged below the vertical shock absorption frame and comprises a hanging basket frame and a horizontal shock absorption part. The utility model discloses a three-dimensional shock isolation device that hangs has solved the vertical vibration of current civil engineering structure under the earthquake effect and the cooperative control problem of horizontal vibration, can realize the quick replacement of shock isolation device after earthquake disaster simultaneously.
Description
Technical Field
The utility model belongs to the technical field of civil engineering's seismic isolation technique that subtracts and specifically speaking is about an easily assemble three-dimensional shock isolation device that hangs.
Background
Earthquake disasters cause immeasurable loss of lives and properties to the human society. In order to comprehensively prevent and treat the influence of earthquake action on the civil engineering structure, a common engineering technology is a seismic isolation technology. Seismic isolation systems have been found to be effective in reducing the effects of seismic events over long periods of practical activity.
The conventional shock insulation support mainly comprises a rubber shock insulation support; however, rubber isolation mounts have inherent drawbacks based on existing manufacturing techniques and material characteristics of the rubber itself. There is therefore a need for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three-dimensional shock isolation device that hangs of easy equipment for solve the cooperative control problem of the vertical vibration and the horizontal vibration of current civil engineering structure under the earthquake effect, realize the quick replacement of shock isolation device behind the earthquake disaster simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an easily assemble three-dimensional suspension isolation device for the three-dimensional shock attenuation of underground structure in the foundation ditch is kept apart, three-dimensional suspension isolation device includes perpendicular shock attenuation frame and suspension cable hanging flower basket system, wherein:
the vertical shock absorption frame comprises an upper frame panel, a lower frame panel, a shock absorption component and a guide device, wherein the shock absorption component and the guide device are arranged between the upper frame panel and the lower frame panel;
the shock absorption component comprises a plurality of spiral extension springs and vertical damping devices and is arranged between the upper frame panel and the lower frame panel;
the guide device comprises a plurality of linear bearing guide rods and pulleys, the bottom ends of the linear bearing guide rods are fixed on the lower frame panel, and the upper ends of the linear bearing guide rods penetrate into a plurality of linear bearings penetrating through the upper frame panel; the pulleys are arranged on the outer edge of the lower frame panel and tightly attached to the inner wall of the foundation pit;
the suspension cable hanging basket system is arranged below the vertical shock absorption frame and comprises a hanging basket frame and a horizontal shock absorption part;
the hanging basket frame comprises an upper hanging basket panel and a lower hanging basket panel, and hanging basket webs are arranged between the upper hanging basket panel and the lower hanging basket panel and are connected with each other through the hanging basket webs;
the horizontal shock absorption part comprises a plurality of suspension ropes and horizontal dampers, and two ends of each suspension rope are respectively connected with the lower frame panel and the upper hanging basket panel, so that the suspension rope hanging basket system is hung below the vertical shock absorption frame; the horizontal damper is fixed on the outer side of the hanging basket web, and the outer end of the horizontal damper is fixedly connected with the inner wall of the foundation pit.
According to the preferred embodiment of the present invention, the number of the helical extension springs is 6, and the helical extension springs are symmetrically distributed between the upper frame panel and the lower frame panel; the number of the vertical damping devices is 4, and the vertical damping devices are symmetrically distributed between the upper frame panel and the lower frame panel; the number of the linear bearing guide rods is 4, and the linear bearing guide rods are symmetrically distributed between the upper frame panel and the lower frame panel; the number of the pulleys is 4, and the pulleys are uniformly distributed on the outer edge of the lower frame panel.
According to the preferred embodiment of the utility model, the number of the slings is 6, and the slings are uniformly distributed along the position near the outer edge of the upper hanging basket panel; the number of the horizontal dampers is 6, the horizontal dampers are divided into three pairs, and the three pairs are respectively and uniformly distributed on the outer side of the hanging basket web plate through three bolts.
Furthermore, the two horizontal dampers in pair are respectively fixed on two sides of the bolt and are positioned on the same horizontal plane.
According to the utility model discloses, the top of upper ledge panel is equipped with the support, be used for with perpendicular shock attenuation frame and foundation ditch inner wall connection. Preferably, the number of the upper supports is 8, and the upper supports are uniformly distributed on the outer edge of the upper frame panel.
According to the utility model discloses, the top of going up the hanging flower basket panel is equipped with the built-in fitting for with treat shock insulation target fixed connection. Preferably, the number of the embedded parts is 4, and the embedded parts are uniformly distributed on the upper hanging basket panel.
According to the utility model discloses a preferred embodiment, the whole of going up frame panel, underframe panel, going up hanging flower basket panel and lower hanging flower basket panel is circular or polygonal configuration of central fretwork, sets up around waiting to keep apart the shock insulation target.
According to an alternative scheme, the upper frame panel, the lower frame panel, the upper basket panel and the lower basket panel are formed by splicing a plurality of panels, and every two adjacent panels are fixedly connected through a connecting plate.
The utility model discloses a three-dimensional shock isolation device that hangs has following beneficial effect:
1. the utility model adopts the spiral extension spring element to realize vertical shock insulation, and adopts the suspension cable hanging basket system to realize horizontal shock insulation; the system integrally belongs to a passive control device, has no external energy input and has natural and stable characteristics.
2. The shock absorption and isolation are realized by adopting the spring element and the suspension cable element, and the shock absorption and isolation device has the characteristics of simple structure, convenience in processing and the like; the spring element and the suspension cable element are connected with a frame panel of the damping device through a connecting pin shaft, and the damping device has the characteristics of easy installation and easy disassembly; according to the specific requirements of vertical shock insulation and horizontal shock insulation, all elements of the shock insulation system can be subjected to unified design and batch production; the main shock insulation elements of the shock insulation system are only connected through the pin shaft, so that the mounting and maintenance difficulty of the shock insulation device is reduced; the spring and the suspension cable can be conveniently replaced on site according to the dynamic characteristics of the actual engineering structure, and the applicability, reliability and durability of the device are improved.
3. The utility model discloses can realize the three-dimensional shock insulation to civil engineering structure. Vertical shock insulation is realized by adjusting the vertical total stiffness determined by a spring; the number of the springs and the rigidity of the springs are determined by structural dynamic characteristics and preset target control performance. The horizontal shock insulation is realized by changing the length of the sling, and the horizontal shock insulation period can be very conveniently adjusted.
Drawings
Fig. 1 is a schematic structural view of the three-dimensional suspension seismic isolation device of the present invention.
Fig. 2 is a schematic cross-sectional view along a-a of fig. 1.
Fig. 3 is a schematic cross-sectional view along B-B of fig. 1.
Fig. 4 is a schematic cross-sectional view along C-C of fig. 1.
Fig. 5 is a schematic cross-sectional view along D-D of fig. 1.
Description of the figure numbers:
1. a target object to be isolated; 2. an upper frame panel; 3. a lower frame panel; 4. an upper support;
5. a helical tension spring; 6. a vertical damping device; 7. a pin shaft; 8. a linear bearing;
9. a linear bearing guide; 10. a pulley; 11. embedding parts; 12. a sling; 13. a horizontal damper;
14. an upper hanging basket panel; 15. a lower basket panel; 16. a hanging basket web; 17. a connecting member;
18. a bolt; 20. a connecting plate.
Detailed Description
The three-dimensional suspension shock isolation device of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
The utility model discloses a three-dimensional shock isolation device that hangs is applied to in civil engineering field, mainly is used for realizing the three-dimensional shock attenuation and isolation of civil engineering structure. In a general sense, the target object to be subjected to three-dimensional shock insulation can be a ground building or an underground structure; meanwhile, the target object to be isolated can also be a precise instrument, equipment needing vibration prevention, a working platform, a control room, a safety room and the like. In the case of civil engineering structures and vibration-sensitive precision instruments, failure to implement appropriate seismic isolation and reduction measures may cause life and property damage to workers and working equipment.
As shown in fig. 1, the three-dimensional suspension seismic isolation device is a schematic structural diagram of the easily assembled three-dimensional suspension seismic isolation device of the embodiment, and is used for an underground structure, such as a cylindrical or similar-configured target object 1 to be isolated in a foundation pit. As shown, the easily assembled three-dimensional suspension seismic isolation device comprises a vertical shock absorption frame and a suspension cable basket system, wherein:
the vertical shock-absorbing frame includes an upper frame panel 2, a lower frame panel 3, and shock-absorbing members and guides disposed between the upper frame panel 2 and the lower frame panel 3.
An upper support 4 is arranged above the upper frame panel 2 and used for connecting the vertical damping frame with the inner wall of a foundation pit (not shown in the figure).
The shock absorption component comprises a plurality of spiral extension springs 5 and a vertical damping device 6, a plurality of pin shafts 7 respectively arranged on the upper frame panel 2 and the lower frame panel 3 in a penetrating way are arranged between the upper frame panel 2 and the lower frame panel 3, and the connection mode can realize field installation and disassembly.
The guide device comprises a plurality of linear bearing guide rods 9 and pulleys 10, the bottom ends of the linear bearing guide rods 9 are fixed on the lower frame panel 3, and the upper ends of the linear bearing guide rods penetrate through a plurality of linear bearings 8 arranged in the upper frame panel 2; the pulleys 10 are disposed on the outer edge of the lower frame panel 3 and closely attached to the inner wall of the foundation pit.
As shown in fig. 2 and 3, the number of the upper supports 4 is 8, and the upper supports are uniformly distributed on the outer edge of the upper frame panel 2; the number of the spiral extension springs 5 is 6, and the spiral extension springs are symmetrically distributed between the upper frame panel 2 and the lower frame panel 3; the number of the vertical damping devices 6 is 4, and the vertical damping devices are symmetrically distributed between the upper frame panel 2 and the lower frame panel 3; the number of the linear bearing guide rods 9 is 4, and the linear bearing guide rods are symmetrically distributed between the upper frame panel 2 and the lower frame panel 3; the number of the pulleys 10 is 4, and the pulleys are uniformly distributed on the outer edge of the lower frame panel 3.
As shown in fig. 1, when the coil tension spring 5 is in a free state, both the upper frame panel 2 and the lower frame panel 3 are in a horizontal state; the shock-absorbing part and the guide device are both in a vertical state.
The suspension cable hanging basket system is arranged below the vertical shock absorption frame and comprises a hanging basket frame and a horizontal shock absorption part.
The basket system comprises an upper basket panel 14 and a lower basket panel 15, and as shown in fig. 4 and 5, a basket web 16 is arranged between the upper basket panel 14 and the lower basket panel 15 and is connected with each other through the basket web 16. Preferably, the basket webs 16 are located proximate the outer edges of the upper and lower basket panels 14, 15.
The horizontal shock absorption part comprises a plurality of slings 12 and horizontal dampers 13, wherein two ends of each sling 12 are respectively connected with the lower frame panel 3 and the upper basket panel 14 through pin shafts 7 arranged on the lower frame panel 3 and the upper basket panel 14 in a penetrating way, so that the sling basket system is suspended below the vertical shock absorption frame; the horizontal damper 13 is fixed on the outer side of the hanging basket web 16 by bolts 18, and the outer end of the horizontal damper is fixedly connected with the inner wall of the foundation pit; preferably, the horizontal dampers 13 are arranged in pairs, and the two horizontal dampers 13 in a pair are respectively fixed on two sides of the bolt 18 and located on the same horizontal plane.
In addition, an embedded part 11 is arranged above the upper hanging basket panel 14 and is used for being fixedly connected with the object 1 to be isolated by a connecting part 17.
As shown in fig. 4 and 5, the number of the slings 12 is 6, and the slings are uniformly distributed along the near outer edge of the upper basket panel 14; the number of the horizontal dampers 13 is 6, the horizontal dampers are divided into three pairs, and the three pairs are respectively and uniformly distributed on the outer side of the hanging basket web 16 through three bolts 18; the number of the embedded parts 11 is 4, and the embedded parts are uniformly distributed on the upper hanging basket panel 14.
In this embodiment, the overall configuration of the upper frame panel 2 and the lower frame panel 3 is a circular or polygonal configuration with a hollow center, preferably an annular configuration, so as to be conveniently arranged around the object 1 to be isolated; preferably, as shown in fig. 2 and 3, the upper frame panel 2 and the lower frame panel 3 are formed by splicing a plurality of panels, and two adjacent panels are connected and fixed by a connecting plate 20, for example, by welding or bolting; this configuration may facilitate installation and replacement. Likewise, the overall configuration of the upper and lower basket panels 14, 15 is also of hollow-centered circular or polygonal configuration, preferably annular. The upper and lower basket panels 14, 15 shown in figures 4 and 5 are of unitary annular shape, it being readily understood that a multi-panel splice as the upper and lower frame panels 2, 3 is also possible.
In this embodiment, preferably, the embedded parts 11 are uniformly arranged along the annular inner edge of the upper basket panel 14.
As shown in fig. 1, the guiding device (linear bearing guide rod 9 and pulley 10) of the present embodiment ensures that the central axes of the upper frame panel 2 and the lower frame panel 3 are always collinear during the vertical vibration process, thereby avoiding the vertical shock insulation frame from rigidly colliding with the inner wall of the foundation pit under the action of the suspension cable hanging basket system.
In the embodiment shown in fig. 1, when the helical tension spring 5 is in the free state, the upper frame panel 2 and the lower frame panel 3 are both in the horizontal state; the damping component and the guide device are both in a vertical state. When receiving vertical earthquake effect, for guaranteeing perpendicularly to shock mitigation system motion wholeness, promote vertical shock insulation effect, need satisfy following requirement: 1. the arrangement positions of the spiral extension springs 5 are uniformly arranged along the section of the lower frame, and the whole spiral extension springs are distributed in a polygonal shape; 2. the overall stiffness of the helical tension spring 5 is designed according to the dynamic characteristics and the seismic isolation requirements of the target seismic isolation structure 1, and the geometric characteristics of each spring are determined according to the number of the arranged total springs.
In a suspension cable hanging basket system, determining horizontal shock insulation parameters according to horizontal shock insulation design requirements; and selecting a sling 12 with a proper length according to the determined horizontal seismic isolation parameters. In order to increase the energy consumption capability of the horizontal shock insulation system, at least 6 dampers 13 which are uniformly distributed along the section of the frame are arranged in the suspension cable basket system. The connection of the suspension ropes 12 and the horizontal dampers 13 to the seismic isolation system is realized by connecting the pin bolts 7. The connection mode is convenient to disassemble, the adjustability of the shock isolation device can be increased, and the shock isolation device can be quickly replaced after the shock. The installation mode of the device which is easy to assemble and disassemble can prevent the influence of factors such as dust falling, rain accumulation, corrosion and the like on the shock isolation device in service period in time, and avoid damaging the durability and reliability of the shock isolation device due to environmental factors.
Although the three-dimensional suspension seismic isolation device of the present invention has been described in detail above by taking a cylindrical underground structure as an example, it should be understood by those skilled in the art that the technical solution of the present invention is not limited to the above-mentioned specific application objects, and similar changes based on the basic principle and concept of the present invention should also belong to the scope of the present invention.
Claims (10)
1. The utility model provides an easily assemble three-dimensional suspension isolation device for the three-dimensional shock attenuation of underground structure in the foundation ditch is kept apart, its characterized in that, three-dimensional suspension isolation device includes perpendicular shock attenuation frame and suspension cable hanging flower basket system, wherein:
the vertical shock absorption frame comprises an upper frame panel, a lower frame panel, a shock absorption component and a guide device, wherein the shock absorption component and the guide device are arranged between the upper frame panel and the lower frame panel;
the shock absorption component comprises a plurality of spiral extension springs and vertical damping devices and is arranged between the upper frame panel and the lower frame panel;
the guide device comprises a plurality of linear bearing guide rods and pulleys, the bottom ends of the linear bearing guide rods are fixed on the lower frame panel, and the upper ends of the linear bearing guide rods penetrate into a plurality of linear bearings penetrating through the upper frame panel; the pulleys are arranged on the outer edge of the lower frame panel and tightly attached to the inner wall of the foundation pit;
the suspension cable hanging basket system is arranged below the vertical shock absorption frame and comprises a hanging basket frame and a horizontal shock absorption part;
the hanging basket frame comprises an upper hanging basket panel and a lower hanging basket panel, and hanging basket webs are arranged between the upper hanging basket panel and the lower hanging basket panel and are connected with each other through the hanging basket webs;
the horizontal shock absorption part comprises a plurality of suspension ropes and horizontal dampers, and two ends of each suspension rope are respectively connected with the lower frame panel and the upper hanging basket panel, so that the suspension rope hanging basket system is hung below the vertical shock absorption frame; the horizontal damper is fixed on the outer side of the hanging basket web, and the outer end of the horizontal damper is fixedly connected with the inner wall of the foundation pit.
2. The three-dimensional suspension seismic isolation apparatus of claim 1, wherein:
the number of the spiral extension springs is 6, and the spiral extension springs are symmetrically distributed between the upper frame panel and the lower frame panel;
the number of the vertical damping devices is 4, and the vertical damping devices are symmetrically distributed between the upper frame panel and the lower frame panel;
the number of the linear bearing guide rods is 4, and the linear bearing guide rods are symmetrically distributed between the upper frame panel and the lower frame panel;
the number of the pulleys is 4, and the pulleys are uniformly distributed on the outer edge of the lower frame panel.
3. The three-dimensional suspension seismic isolation apparatus of claim 1, wherein:
the number of the slings is 6, and the slings are uniformly distributed along the position close to the outer edge of the upper hanging basket panel;
the number of the horizontal dampers is 6, the horizontal dampers are divided into three pairs, and the three pairs are respectively and uniformly distributed on the outer side of the hanging basket web plate through three bolts.
4. The three-dimensional suspension seismic isolation device as claimed in claim 3, wherein two horizontal dampers in a pair are respectively fixed on both sides of the bolt and are located on the same horizontal plane.
5. The three-dimensional suspension seismic isolation device as claimed in claim 1, wherein an upper support is arranged above the upper frame panel and used for connecting the vertical damping frame with the inner wall of the foundation pit.
6. The three-dimensional suspension isolation system of claim 5, wherein the number of the upper supports is 8, and the upper supports are uniformly distributed on the outer edge of the upper frame panel.
7. The three-dimensional suspension seismic isolation device as claimed in claim 1, wherein an embedded part is arranged above the upper hanging basket panel and is used for being fixedly connected with an object to be isolated.
8. The three-dimensional suspension seismic isolation device of claim 7, wherein the embedded parts are 4 in number and are uniformly distributed on the upper basket panel.
9. The three-dimensional suspension seismic isolation device as claimed in claim 1, wherein the upper frame panel, the lower frame panel, the upper basket panel and the lower basket panel are integrally of a hollow-centered circular or polygonal configuration and are arranged around an object to be isolated.
10. The three-dimensional suspension seismic isolation device of claim 9, wherein the upper frame panel, the lower frame panel, the upper basket panel and the lower basket panel are formed by splicing a plurality of panels, and two adjacent panels are fixedly connected through a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120832375.XU CN215253618U (en) | 2021-04-22 | 2021-04-22 | Easily-assembled three-dimensional suspension shock isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120832375.XU CN215253618U (en) | 2021-04-22 | 2021-04-22 | Easily-assembled three-dimensional suspension shock isolation device |
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| Publication Number | Publication Date |
|---|---|
| CN215253618U true CN215253618U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120832375.XU Active CN215253618U (en) | 2021-04-22 | 2021-04-22 | Easily-assembled three-dimensional suspension shock isolation device |
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| Country | Link |
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| CN (1) | CN215253618U (en) |
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- 2021-04-22 CN CN202120832375.XU patent/CN215253618U/en active Active
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