Vibration isolation layer structure of earthen archaeological site

Abstract

The utility model relates to the technical field of earthen archaeological site protection above subways, in particular to a vibration isolation layer structure of an earthen archaeological site. The utility model provides a vibration isolation layer structure of an earthen archaeological site, which is arranged between the earthen archaeological site and a structural middle plate of a subway system, and the structural middle plate is arranged above a tunnel of the subway system. The vibration isolation layer structure of the earthen archaeological site comprises a steel pipe curtain, a bearing structure and a plurality of vibration reduction supports. The vibration reduction support comprises a top plate, a bottom plate and an elastic assembly. Two ends of the elastic component are respectively connected with the top plate and the bottom plate; the upper end of the steel pipe curtain is connected with the earthen site, and the lower end of the steel pipe curtain is connected with the top plate through a bearing structure. The steel pipe curtain and the bearing structure are arranged to support the earthen ruins, the vibration energy generated when a train passes through is absorbed in cooperation with the vibration reduction supports, the earthen ruins located on the station hall layer can be protected and are not affected by the vibration energy generated when the train passes through, and important significance is achieved for earthen ruins protection.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway upper soil site protection technical field, concretely relates to a soil site's vibration isolation layer structure. BACKGROUND

[0002] Soil site refers to the ancient building or structural site of natural materials such as clay, clay, sand, etc., such as city wall, which reflects the building technology and cultural characteristics of historical period, therefore, the protection and research of soil site have important significance.

[0003] Metro is a kind of in city operation, can realize fast mass rail transit system, usually located underground, metro system is an important part of modern urban public transport, aims at efficiently transporting a large number of passengers, links ground traffic pressure, and promotes the sustainable development of city.

[0004] Metro will pass through soil site in the construction process, vibration will be generated in the process of metro operation, so as to cause certain influence to the protection of soil site, in view of this, the utility model provides a soil site's vibration isolation layer structure, to reduce the influence of vibration generated in the process of metro operation to soil site when metro runs under soil site. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a soil site's vibration isolation layer structure to reduce the influence of vibration on soil site when metro runs.

[0006] In order to achieve the above purpose, the utility model embodiment provides a soil site's vibration isolation layer structure, which is arranged between soil site and structural middle plate of metro system, and the structural middle plate is arranged above the tunnel of metro system;

[0007] The soil site's vibration isolation layer structure comprises a steel pipe curtain, a supporting structure and a plurality of damping supports.

[0008] The damping support comprises a top plate, a bottom plate and an elastic assembly, both ends of the elastic assembly are connected with the top plate and the bottom plate respectively, the bottom plate is fixed on the structural middle plate, the upper end of the steel pipe curtain is connected with the soil site, and the lower end is connected with the top plate through the supporting structure.

[0009] Further, the damping support further comprises an upper middle plate, a lower middle plate and a steel spring.

[0010] The upper surface of the upper middle plate is fixedly connected with the lower surface of the top plate, and the lower surface of the lower middle plate is fixedly connected with the upper surface of the bottom plate;The steel spring is provided with a plurality of upper ends and lower ends, and the upper end is connected with the lower surface of the upper middle plate, and the lower end is connected with the upper surface of the lower middle plate.

[0011] Furthermore, the vibration damping support also includes connecting bolts;

[0012] The two ends of the connecting bolt pass through the upper middle plate and the lower middle plate respectively and are fixed by nuts; the steel spring is sleeved on the connecting bolt, and the upper end of the steel spring abuts against the lower surface of the upper middle plate and the lower end abuts against the upper surface of the lower middle plate.

[0013] Furthermore, two nuts are provided at both ends of the connecting bolt.

[0014] Furthermore, the vibration damping support also includes a hydraulic vibration isolation component; the upper end of the hydraulic vibration isolation component is connected to the lower surface of the upper middle plate, and the lower end is connected to the upper surface of the lower middle plate.

[0015] Furthermore, the vibration damping support also includes an upper connecting plate and a lower connecting plate;

[0016] The upper connecting plate is connected to the upper surface of the upper middle plate and the lower surface of the top plate at its upper and lower ends, respectively; the lower connecting plate is connected to the upper surface of the lower middle plate and the lower surface of the bottom plate at its upper and lower ends, respectively.

[0017] Furthermore, the upper connecting plate penetrates the upper middle plate, and the lower connecting plate penetrates the lower middle plate.

[0018] Furthermore, the upper connecting plate and the lower connecting plate are disposed on the periphery of the nut on the connecting bolt.

[0019] Furthermore, the supporting structure is divided into beams and I-beams; some of the vibration damping supports are connected to the steel pipe curtain through the beams, and some of the vibration damping supports are connected to the steel pipe curtain through the I-beams.

[0020] Furthermore, the outer surface of the support beam is made of steel; the top plate of the vibration damping support connected to the support beam is welded to the support beam; the top plate of the vibration damping support connected to the I-beam is welded to the I-beam.

[0021] Another embodiment of this utility model provides a subway system, including the vibration isolation layer structure of the earthen site described in any of the above embodiments.

[0022] The beneficial effects of this utility model are:

[0023] The utility model provides a kind of vibration isolation layer structure of earthen site, be located between the structure middle plate of earthen site and subway system, the structure middle plate is located above the tunnel of subway system;The vibration isolation layer structure of earthen site includes: steel pipe curtain, support structure and several damping support;The damping support includes top plate, bottom plate and elastic component;Two ends of the elastic component are connected with the top plate and the bottom plate respectively;The bottom plate is fixed on the structure middle plate, and the upper end of the steel pipe curtain is connected with the earthen site, and the lower end is connected with the top plate by the support structure.

[0024] By setting steel pipe curtain and support structure support earthen site, cooperate with damping support to absorb the vibration energy when train passes, can protect earthen site located in station hall layer, make it not be influenced by vibration energy generated when train passes, it is of great significance to the protection of earthen site.And earthen site can be in the form of section in station hall layer display, by in situ protection to earthen site, can spread traditional culture, so that more people understand history. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will be briefly introduced the drawings needed to be used in specific embodiment or prior art description, obviously, the drawings in the following description is some embodiments of the utility model, for those skilled in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0026] Fig. 1 The structure schematic view of the vibration isolation layer structure of earthen site provided by the embodiment of the utility model is shown in the figure;

[0027] Fig. 2 The structure schematic view of the vibration isolation layer structure of earthen site provided by the second perspective of the embodiment of the utility model is shown in the figure;

[0028] Fig. 3 The structure schematic view of the vibration isolation layer structure of earthen site provided by the third perspective of the embodiment of the utility model is shown in the figure.

[0029] Icon: 11-earthen site;12-structure middle plate;13-enclosure;14-protective soil;

[0030] 2-steel pipe curtain;

[0031] 3-support structure;

[0032] 4-damping support;41-top plate;42-bottom plate;43-upper middle plate;44-lower middle plate;45-steel spring;46-upper connecting plate;47-lower connecting plate;48-hydraulic vibration isolation component;49-connecting bolt. DETAILED DESCRIPTION

[0033] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] like Figs. 1-3 As shown, one embodiment of this utility model provides a vibration isolation layer structure for an earthen site, disposed between the earthen site 11 and the structural slab 12 of a subway system, the structural slab 12 being disposed above the tunnel of the subway system; the vibration isolation layer structure for the earthen site includes: a steel pipe curtain 2, a supporting structure 3, and several vibration damping supports 4; the vibration damping supports 4 include a top plate 41, a bottom plate 42, and an elastic component; both ends of the elastic component are connected to the top plate 41 and the bottom plate 42 respectively; the bottom plate 42 is fixed on the structural slab 12, the upper end of the steel pipe curtain 2 is connected to the earthen site 11, and the lower end is connected to the top plate 41 through the supporting structure 3.

[0035] This embodiment provides a vibration isolation layer structure for an earthen site, installed in a subway system to support the earthen site 11, reducing the impact of train vibrations on the earthen site 11. The earthen site 11 is located within the station hall level of the subway system and can be displayed in cross-section, allowing passengers to understand the structure of the earthen site 11 and promoting its culture. The aforementioned vibration isolation layer structure for the earthen site is installed on the structural slab 12 of the subway system to support the earthen site 11. The structural slab 12 of the subway system is located between the station hall level and the platform level, playing a crucial role in ensuring the safety, stability, and functionality of the entire underground structure. The aforementioned vibration isolation layer structure of the earthen site includes a steel pipe curtain 2, a supporting structure 3, and several vibration damping supports 4. The vibration isolation layer structure also includes protective soil 14 surrounding a portion of the earthen site 11, and a surrounding panel 13 enclosing the lower end of the earthen site 11. The earthen site 11 and the protective soil 14 surrounding it are both located on the steel pipe curtain 2, and the lower end of the surrounding panel 13 is welded to the steel pipe curtain 2. The steel pipe curtain 2 is mounted on the vibration damping supports 4 via the supporting structure 3. The vibration damping supports 4 can absorb the vibration energy when a train passes by, thereby reducing the impact of vibration on the earthen site 11 during train operation. Specifically, the vibration damping supports 4 include a top plate 41, a bottom plate 42, and elastic components. The bottom plate 42 can be anchored to the structural plate 12 of the subway system. The top plate 41 is connected to the supporting structure 3, and the elastic components are positioned between the top plate 41 and the bottom plate 42 to provide vibration damping.

[0036] The vibration isolation layer structure of the earth site provided by the embodiment can support the earth site 11 through the steel pipe curtain 2 and the supporting structure 3, and absorb vibration energy generated when the train passes through in cooperation with the damping support 4, so that the earth site 11 located in the station hall layer is protected from the vibration energy generated when the train passes through, which is of great significance for the protection of the earth site 11. The earth site 11 can be displayed in the form of a section in the station hall layer, and through in-situ protection of the earth site 11, traditional culture can be promoted, and more people can understand history.

[0037] The vibration isolation layer structure of the earth site provided by the embodiment of the utility model, as shown in Figs. 1-3 The damping support 4 further comprises an upper middle plate 43, a lower middle plate 44 and a steel spring 45; the upper surface of the upper middle plate 43 is fixedly connected with the lower surface of the top plate 41, and the lower surface of the lower middle plate 44 is fixedly connected with the upper surface of the bottom plate 42; a plurality of steel springs 45 are arranged, and the upper end of the steel spring 45 is connected with the lower surface of the upper middle plate 43, and the lower end is connected with the upper surface of the lower middle plate 44.

[0038] In the embodiment, the damping support 4 comprises the upper middle plate 43, the lower middle plate 44 and the steel spring 45. The upper surface of the upper middle plate 43 is fixedly connected with the lower surface of the top plate 41, the lower surface of the lower middle plate 44 is fixedly connected with the upper surface of the bottom plate 42, and a plurality of steel springs 45 are arranged between the upper middle plate 43 and the lower middle plate 44, and the upper and lower ends of the steel spring 45 are connected with the upper middle plate 43 and the lower middle plate 44 respectively; in use, the steel spring 45 can absorb vibration energy generated when the train passes through, thereby protecting the earth site 11 above.

[0039] The vibration isolation layer structure of the earth site provided by the embodiment of the utility model, as shown in Figs. 1-3 The damping support 4 further comprises a connecting bolt 49; the two ends of the connecting bolt 49 pass through the upper middle plate 43 and the lower middle plate 44 respectively and are fixed through nuts; the steel spring 45 is sleeved on the connecting bolt 49, and the upper end of the steel spring 45 abuts against the lower surface of the upper middle plate 43, and the lower end abuts against the upper surface of the lower middle plate 44.

[0040] In the embodiment, the damping support 4 further comprises connecting bolts 49. The connecting bolts 49 are used for fixing the steel springs 45, and the connecting bolts 49 are arranged in one-to-one correspondence with the steel springs 45. The upper middle plate 43 and the lower middle plate 44 are provided with bolt holes in one-to-one correspondence with the steel springs 45, the upper and lower ends of the steel springs 45 pass through the corresponding bolt holes respectively and are fixed by nuts. The steel springs 45 are sleeved on the corresponding connecting bolts 49, and the upper end of the steel spring 45 abuts against the lower surface of the upper middle plate 43, and the lower end abuts against the upper surface of the lower middle plate 44. The steel springs 45 are fixed between the upper middle plate 43 and the lower middle plate 44 by the connecting bolts 49, so that the steel springs 45 are more stable, and the damping effect of the damping support 4 is improved.

[0041] It can be understood that, in the embodiment, the upper and lower ends of the steel springs 45 can also be fixedly connected with the upper middle plate 43 and the lower middle plate 44, such as welding or riveting, which can also achieve the purpose of fixing the steel springs 45 in the embodiment and making the steel springs 45 between the upper middle plate 43 and the lower middle plate 44 more stable.

[0042] The damping support 4 provided by the embodiment of the utility model has the advantages that Figs. 1-3 As shown in the figure, both ends of the connecting bolt 49 are provided with two nuts.

[0043] Preferably, in the embodiment, both ends of the connecting bolt 49 are provided with two nuts, so as to improve the anti-loosening effect and improve the damping effect of the damping support 4.

[0044] The damping support 4 provided by the embodiment of the utility model has the advantages that Figs. 1-3 As shown in the figure, the damping support 4 further comprises a hydraulic damping assembly 48; the upper end of the hydraulic damping assembly 48 is connected with the lower surface of the upper middle plate 43, and the lower end is connected with the upper surface of the lower middle plate 44.

[0045] Optionally, in the embodiment, the damping support 4 further comprises the hydraulic damping assembly 48, and the hydraulic damping assembly 48 is arranged between the upper middle plate 43 and the lower middle plate 44, which can also absorb the vibration energy when the train passes through and protect the earth site 11 above.

[0046] It can be understood that, in the embodiment, the damping support 4 can be provided with only the steel springs 45 and the connecting bolts 49, or only the hydraulic damping assembly 48, or simultaneously provided with the steel springs 45, the connecting bolts 49 and the hydraulic damping assembly 48, and the latter is preferred in the embodiment, so as to improve the damping effect of the damping support 4.

[0047] In this embodiment, the hydraulic vibration isolation assembly 48 is a device that uses fluid dynamics to absorb and attenuate vibration energy, widely used in various mechanical equipment and structures to reduce vibration transmission. The hydraulic vibration isolation assembly 48 is usually composed of a closed cavity filled with specific hydraulic oil or other high-viscosity liquid. When subjected to external vibration, the piston reciprocates within the cavity, controlling the flow of liquid through a series of valves, producing a damping effect.

[0048] The vibration isolation layer structure of the earthen site provided by the embodiments of the utility model, as shown in Figs. 1-3 The upper and lower ends of the upper connecting plate 46 are connected to the upper surface of the upper middle plate 43 and the lower surface of the top plate 41 respectively; the upper and lower ends of the lower connecting plate 47 are connected to the upper surface of the lower middle plate 44 and the lower surface of the bottom plate 42 respectively.

[0049] The above content mentions that the steel spring 45 is fixed between the upper middle plate 43 and the lower middle plate 44 through the connecting bolt 49, and the two ends of the connecting bolt 49 need to pass through the upper middle plate 43 and the lower middle plate 44 and be fixed through the nut. Therefore, the upper middle plate 43 and the top plate 41 need to be spaced apart, and the lower middle plate 44 and the bottom plate 42 need to be spaced apart to provide space for the installation of the nut. Therefore, in this embodiment, the vibration reduction support 4 further comprises an upper connecting plate 46 and a lower connecting plate 47, the upper connecting plate 46 is used to connect the upper middle plate 43 and the top plate 41, and the upper middle plate 43 and the top plate 41 can be spaced apart, and the lower connecting plate 47 is used to connect the lower middle plate 44 and the bottom plate 42, and the lower middle plate 44 and the bottom plate 42 can be spaced apart.

[0050] The vibration isolation layer structure of the earthen site provided by the embodiments of the utility model, as shown in Figs. 1-3 The upper connecting plate 46 and the lower connecting plate 47 are arranged on the circumferential side of the nut of the connecting bolt 49.

[0051] Preferably, in this embodiment, the upper connecting plate 46 and the lower connecting plate 47 are located on the circumferential side of the nut, thereby protecting the nut. The upper connecting plate 46 and the lower connecting plate 47 can be in a cylindrical structure and cover the circumferential side of the nut, but this will cause the nut to be unable to be overhauled; preferably, in this embodiment, the upper connecting plate 46 and the lower connecting plate 47 are both in a long strip structure, and the nut is located between two adjacent upper connecting plates 46 and lower connecting plates 47.

[0052] The vibration isolation layer structure of the earthen site provided by the embodiments of the utility model, as shown in Figs. 1-3 The support structure 3 is divided into joists and I-beams; part of the vibration reduction supports 4 and the steel pipe curtain 2 are connected through the joists, and part of the vibration reduction supports 4 and the steel pipe curtain 2 are connected through the I-beams.

[0053] The supporting structure 3 described above can be a joist or an I-beam, and in the embodiment, part of the supporting structure 3 is a joist and part of the supporting structure 3 is an I-beam.

[0054] The vibration isolation layer structure of the earthen site provided in the embodiment of the utility model, as shown in Figs. 1-3 Figs. 1-3 The outer surface of the joist is made of steel; the top plate 41 of the vibration reduction support 4 connected with the joist is welded with the joist; the top plate 41 of the vibration reduction support 4 connected with the I-beam is welded with the I-beam.

[0055] In the embodiment, since the joist comprises square steel pipes, the surface material of the joist is steel, so the top plate 41 of the vibration reduction support 4 and the joist can be fixed by welding, and similarly, the steel pipe curtain 2 and the joist are also fixed by welding; similarly, the top plate 41 and the I-beam, and the I-beam and the steel pipe curtain 2 are also fixed by welding.

[0056] In the embodiment, the steel pipe curtain 2 is composed of multiple square steel pipes connected in sequence, and is arranged transversely below the earthen site 11, and each square steel pipe is filled with concrete, and the surface of the square steel pipe is subjected to corrosion prevention treatment. The surface of the square steel pipe is welded with a T-shaped component and two oppositely arranged L-shaped components, so that two adjacent square steel pipes can be connected and fixed.

[0057] The utility model embodiment further provides a subway system, including the vibration isolation layer structure of the earthen site described in any one of the above embodiments.

[0058] In the embodiment, the subway system comprises a station hall layer, and the earthen site 11 is located in the station hall layer and can be externally displayed to improve the experience of passengers.

[0059] In the description of the utility model, it should be pointed out that the positions or position relations indicated by the terms "upper", "lower" and the like are based on the positions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0060] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "communication", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be direct communication, also can pass through intermediate medium indirectly communicates, can be two element inside communication.For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.In addition, in the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more than two.

[0061] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vibration isolation layer structure of an earthen site, characterized by, The soil site (11) is arranged between a structure middle plate (12) of a subway system and the soil site (11) is arranged above a tunnel of the subway system; The vibration isolation layer structure of the soil site comprises a steel pipe curtain (2), a supporting structure (3) and a plurality of damping supports (4); The damping support (4) comprises a top plate (41), a bottom plate (42) and an elastic assembly; two ends of the elastic assembly are connected with the top plate (41) and the bottom plate (42) respectively; the bottom plate (42) is fixed on the structure middle plate (12); the upper end of the steel pipe curtain (2) is connected with the soil site (11); the lower end is connected with the top plate (41) through the supporting structure (3).

2. The vibration isolation layer structure of an earthen archaeological site according to claim 1, characterized by, The damping support (4) further comprises an upper middle plate (43), a lower middle plate (44) and a steel spring (45); The upper surface of the upper middle plate (43) is fixedly connected with the lower surface of the top plate (41); the lower surface of the lower middle plate (44) is fixedly connected with the upper surface of the bottom plate (42); a plurality of steel springs (45) are arranged; the upper end of the steel spring (45) is connected with the lower surface of the upper middle plate (43); the lower end is connected with the upper surface of the lower middle plate (44).

3. The vibration isolation layer structure of an earthen archaeological site according to claim 2, characterized by, The damping support (4) further comprises a connecting bolt (49); Two ends of the connecting bolt (49) pass through the upper middle plate (43) and the lower middle plate (44) and are fixed by nuts; the steel spring (45) is sleeved on the connecting bolt (49); the upper end of the steel spring (45) abuts against the lower surface of the upper middle plate (43); the lower end abuts against the upper surface of the lower middle plate (44).

4. The vibration isolation layer structure of an earthen site according to claim 3, characterized by, Two nuts are arranged at two ends of the connecting bolt (49).

5. The vibration isolation layer structure of an earthen site according to claim 2, characterized by, The damping support (4) further comprises a hydraulic vibration isolation assembly (48); the upper end of the hydraulic vibration isolation assembly (48) is connected with the lower surface of the upper middle plate (43); the lower end is connected with the upper surface of the lower middle plate (44).

6. The vibration isolation layer structure of an earthen site according to claim 3, characterized by, The damping support (4) further comprises an upper connecting plate (46) and a lower connecting plate (47); The upper and lower ends of the upper connecting plate (46) are connected with the upper surface of the upper middle plate (43) and the lower surface of the top plate (41) respectively; the upper and lower ends of the lower connecting plate (47) are connected with the upper surface of the lower middle plate (44) and the lower surface of the bottom plate (42) respectively.

7. The vibration isolation layer structure of an earthen site according to claim 6, characterized by The upper connecting plate (46) and the lower connecting plate (47) are arranged on the circumferential side of the nut of the connecting bolt (49).

8. The vibration isolation layer structure of an earthen site according to claim 7, characterized by, The upper connecting plate penetrates the upper middle plate; the lower connecting plate penetrates the lower middle plate.

9. The vibration isolation layer structure of an earthen archaeological site according to Claim 1, characterized by, The supporting structure (3) is divided into a joist and an I-beam; part of the damping supports (4) are connected with the steel pipe curtain (2) through the joist; part of the damping supports (4) are connected with the steel pipe curtain (2) through the I-beam.

10. The vibration isolation layer structure of an earthen site according to claim 9, characterized by, The material of the outer surface of the joist is steel; the top plate (41) of the damping support (4) connected with the joist is welded with the joist; the top plate (41) of the damping support (4) connected with the I-beam is welded with the I-beam.

Images