E-steel damping support

Abstract

The utility model relates to steel damping support technical field, concretely relates to a kind of E type steel damping support, including sliding plate, piston main body, two E type steels and middle arm connecting piece.Sliding plate bottom is equipped with guide rail groove, the top of piston main body is fixed with track strip, and sliding plate is installed on track strip by guide rail groove and can move along track strip;Two E type steels are arranged in the two sides of track strip, and E type steel includes two side arms and a middle arm;Side arm is hinged with sliding plate;Middle arm connecting piece is sleeved on piston main body, and can be vertically moved relative to piston main body;Middle arm is hinged with middle arm connecting piece.The application can be vertically moved relative to the design of piston main body by middle arm connecting piece, so that when the distance between the sliding plate and the piston main body changes, the middle arm connecting piece does not move up and down with the piston main body synchronously, thereby effectively reduce the possibility that deformation energy consumption plate piece appears deformation in the direction perpendicular to plate face.

Description

Technical Field

[0001] This utility model relates to the field of steel damping bearing technology, and in particular to an E-type steel damping bearing. Background Technology

[0002] Unidirectional steel damping bearings are a type of bridge vibration reduction device designed specifically for bearing dynamic loads in a single direction (such as horizontal longitudinal or transverse). The core principle is that the built-in soft steel or low yield point steel damper undergoes plastic deformation under unidirectional force, converting seismic or wind vibration energy into heat energy dissipation, thereby limiting structural displacement and protecting the main components.

[0003] Structurally, a unidirectional steel damping bearing typically comprises several key components: a sliding plate, a piston body, and a deformation energy-dissipating plate. The sliding plate and piston body move relative to each other via a guiding mechanism, while the deformation energy-dissipating plate is connected to both. When the bridge is subjected to dynamic loads, the relative movement between the sliding plate and piston body causes the deformation energy-dissipating plate to deform, generating a reaction force that acts on the sliding plate and piston body, causing them to return to their initial positions and maintaining the bearing's normal operating condition.

[0004] However, the axial direction of the guide mechanism may have a certain angle with the top surface of the sliding plate or piston body. This will cause the distance between the sliding plate and the piston body to change when the sliding plate moves relative to the piston body along the guide mechanism during the daily operation of the bridge. Since the deformable energy-dissipating plate is connected to the sliding plate and the piston body, the change in the distance between the sliding plate and the piston body will further cause the deformable energy-dissipating plate to deform perpendicular to the plate surface. This deformation perpendicular to the plate surface will cause the deformable energy-dissipating plate to bear additional stress, thereby reducing the service life of the energy-dissipating plate. At the same time, after the deformable energy-dissipating plate deforms perpendicular to the plate surface, it is also not conducive to fully utilizing the damping and energy-dissipating function of the deformable energy-dissipating plate during horizontal vibration. Utility Model Content

[0005] The purpose of this invention is to overcome the problem that the axial direction of the guide mechanism of the existing steel damping bearing may have a certain angle with the top surface of the sliding plate or piston body, which will cause the deformation energy dissipation plate to deform perpendicular to the plate surface during the daily operation of the bearing bridge. This invention provides an E-type steel damping bearing.

[0006] This utility model provides an E-shaped steel damping support, including a sliding plate, a piston body, and two E-shaped steels. The sliding plate is located above the piston body, and a guide rail groove is provided at the bottom of the sliding plate. A rail bar is fixed to the top of the piston body, and the sliding plate is mounted on the rail bar through the guide rail groove, allowing the sliding plate to move along the rail bar. The two E-shaped steels are arranged on both sides of the rail bar, and each E-shaped steel includes two side arms and one middle arm, with the middle arm located between the two side arms. The side arms are hinged to the sliding plate via pins. The system also includes:

[0007] A middle arm connector is sleeved on the piston body and can move vertically relative to the piston body; the middle arms of the two E-shaped steels are hinged to the middle arm connector by pins; the piston body can drive the middle arm connector to move together relative to the sliding plate, and the relative movement of the middle arm connector and the sliding plate can cause the E-shaped steel to deform.

[0008] This invention provides an E-shaped steel damping bearing. The sliding plate is connected to the bridge main body, and the piston body is connected to the bridge pier. Due to the guide groove and track bar, the sliding plate can move along the track bar, thereby achieving relative displacement between the sliding plate and the piston body. The side arms of the two E-shaped steel sections are connected to the sliding plate via pins; the middle arms of the two E-shaped steel sections are hinged to the middle arm connector via pins, and the middle arm connector is sleeved on the piston body. Therefore, the piston body can drive the middle arm connector to move relative to the sliding plate. During this process, due to the relative displacement between the sliding plate and the middle arm connector, the E-shaped steel, as a deformation energy-dissipating plate, will deform. The deformed E-shaped steel will generate a resisting force, which can exert a damping effect during the relative movement between the sliding plate and the piston body, effectively attenuating vibration energy. Furthermore, the middle arm connector can move vertically relative to the piston body. This design ensures that when the distance between the sliding plate and the piston body changes, the middle arm connector will not move up and down synchronously with the piston body. Since the middle arm connector does not undergo vertical displacement, the connected middle support arm will also not move vertically, thus effectively reducing the possibility of deformation of the energy-dissipating plate in the direction perpendicular to the plate surface.

[0009] Preferably, the middle arm connector includes a sleeve and two lugs; the two lugs are symmetrically arranged along the center of the sleeve, and both lugs are connected to the outer wall of the sleeve; the sleeve is sleeved on the piston body and can move vertically relative to the piston body; the lugs are hinged to the corresponding middle arm through the pin.

[0010] Preferably, the inner wall of the sleeve is provided with a protrusion, and the piston body is provided with a guide groove that matches the protrusion. The guide groove is arranged along the height direction of the piston body, and the protrusion can move axially along the guide groove. In this design, the main function of the guide groove is to guide the movement direction of the protrusion, ensuring that the protrusion can only move in a specific direction. In addition, the cooperation between the protrusion and the guide groove can also effectively limit the relative rotation between the sleeve and the piston body.

[0011] Preferably, each E-shaped steel includes two arc-shaped steels, which are spliced ​​together in an overlapping manner to form an E-shape. The support arm at the overlapping position of the two arc-shaped steels is hinged to the middle arm connector via the pin, and the other two support arms of the two arc-shaped steels are hinged to the sliding plate via the pin. In this design, since each E-shaped steel is composed of two independent arc-shaped steels, and the two arc-shaped steels are also hinged together, this structural feature gives the arc-shaped steels a larger displacement space and a more flexible rotation range. When subjected to external forces, the arc-shaped steels can deform more fully, consuming more energy through their own deformation, thereby significantly improving the energy consumption efficiency of the entire structure. In addition, the support arm portion of the arc-shaped steels is designed with an arc transition, without any turning shape. This smooth arc structure can effectively disperse stress and avoid stress concentration at the turning point. Stress concentration often accelerates structural fatigue and damage, while the design of the arc-shaped steels in this design helps to reduce this risk, thereby increasing the service life of the arc-shaped steels.

[0012] Preferably, the top surface of the piston body is provided with a limiting groove, and a wear-resistant plate is provided in the limiting groove, the wear-resistant plate being sandwiched between the sliding plate and the piston body. In this design, the limiting groove is used to fix the wear-resistant plate and restrict its horizontal movement. The main function of the wear-resistant plate is to reduce friction and wear between the sliding plate and the piston body, thereby protecting the piston body and the sliding plate and extending their service life.

[0013] Preferably, the side arm is connected to the sliding plate via a side arm connector, the side arm connector is fixedly connected to the sliding plate, and the side arm is hinged to the side arm connector via a pin.

[0014] Preferably, the system further includes a base basin, the top of which has a groove, and the piston body is disposed within the groove. The base basin supports the piston body, and the groove secures the piston body, preventing relative displacement between the base basin and the piston body.

[0015] Preferably, a rubber pad is provided in the groove, and the rubber pad is sandwiched between the piston body and the base. In this design, the rubber pad mainly serves to buffer and dampen shocks, reducing direct impact and wear between the piston body and the base, ensuring stable operation of the support and extending its service life.

[0016] Preferably, an annular groove is formed at one end of the rubber pad near the piston body, and a sealing copper ring is disposed within the annular groove, the sealing copper ring being sandwiched between the rubber pad, the piston body, and the base. In this design, the annular groove is used to fix the sealing copper ring, and the sealing copper ring plays a sealing role, preventing internal substances from leaking or external impurities from entering.

[0017] Preferably, an annular receiving groove is formed on the outer circumferential surface of the piston body, and a sealing ring is disposed in the receiving groove, the sealing ring being clamped between the piston body and the base. In this design, the receiving groove is used to fix the sealing ring, and the sealing ring can further play a sealing role, preventing internal substances from leaking or external impurities from entering.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This invention provides an E-type steel damping support. The design of the middle arm connector allows for vertical movement relative to the piston body, ensuring that when the distance between the sliding plate and the piston body changes, the middle arm connector will not move up and down synchronously with the piston body. Because the middle arm connector does not undergo vertical displacement, the connected middle support arm also does not move vertically, effectively reducing the possibility of deformation of the energy-dissipating plate in the direction perpendicular to the plate surface. Attached Figure Description

[0020] Figure 1 This is a schematic elevation view of an E-type steel damping support in Example 1.

[0021] Figure 2 This is a plan view of an E-type steel damping support in Example 1.

[0022] Figure 3 This is a schematic elevation view of an E-type steel damping support in Example 2.

[0023] Figure 4 This is a plan view of an E-type steel damping support in Example 2.

[0024] Figure 5 for Figure 1 An enlarged schematic diagram of region A in the middle.

[0025] Figure 6 for Figure 3Enlarged schematic diagram of region B in the middle.

[0026] Figure 7 This is a plan view of the middle arm connector.

[0027] Marked in the image:

[0028] 1-First anchor,

[0029] 2- Upper embedded plate,

[0030] 3-Sliding plate,

[0031] 301-Guide rail groove,

[0032] 4-Abrasion-resistant plate,

[0033] 5-Piston body,

[0034] 501-rail bar

[0035] 6-Middle arm connector,

[0036] 601-Sleeve,

[0037] 6011-Bump,

[0038] 602-ear plate,

[0039] 7-E type steel,

[0040] 701 - Side control arm, 702 - Center control arm

[0041] 8-Side arm connector,

[0042] 9-Pin,

[0043] 10-Rubber pad,

[0044] 11-Base basin,

[0045] 12-Lower anchor plate,

[0046] 13-Second anchor,

[0047] 14-Arc-shaped steel,

[0048] 15 - Sealing ring,

[0049] 16 - Sealing copper ring. Detailed Implementation

[0050] The present invention will be further described in detail below with reference to specific embodiments. However, it should not be construed as limiting the scope of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0051] Unless otherwise specified, the terms "upper," "lower," "left," "right," "center," "inner," and "outer" used in the description of specific embodiments of this utility model to indicate orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product / equipment / device is usually placed during use. These terms are merely for the purpose of facilitating the description of the utility model solution or simplifying the description in specific embodiments, and for enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on this utility model.

[0052] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," "parallel," and "coaxial" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, parallel, or coaxial. Slight tilt or deviation is permissible, as long as it does not affect the normal function of the relevant component. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," not that the structure must be perfectly horizontal; a slight tilt is acceptable. "Coaxial" means that two components are arranged as coaxially as possible, allowing them to move coaxially or approximately coaxially when their relative positions change. Alternatively, it can be simplified to mean that the corresponding device / component / element, when arranged in "horizontal," "vertical," "suspended," "parallel," or "coaxial" directions, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. For example, the deviation in the "coaxial" direction is controlled within 0.2-1mm, preferably within 0.2-0.5mm. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0053] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing descriptions of identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0054] Furthermore, in the description of the embodiments of this utility model, "several", "multiple", and "several" represent at least two. The number can be any number, such as two, three, four, five, six, seven, eight, or nine, and can even exceed nine.

[0055] Furthermore, in the description of the technical solution of this utility model, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "provided with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0056] Example 1

[0057] like Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, an E-shaped steel damping support includes a sliding plate 3, a piston body 5, two E-shaped steels 7, and a middle arm connector 6.

[0058] The sliding plate 3 is located above the piston body 5. The bottom of the sliding plate 3 is provided with a guide rail groove 301. The top of the piston body 5 is fixed with a rail bar 501. The sliding plate 3 is installed on the rail bar 501 through the guide rail groove 301. The sliding plate 3 can move along the rail bar 501. Two E-shaped steels 7 are arranged on both sides of the rail bar 501. The E-shaped steel 7 includes two side support arms 701 and a middle support arm 702. The middle support arm 702 is located between the two side support arms 701. The side support arms 701 are hinged to the sliding plate 3 by a pin.

[0059] Specifically, the track bar 501 is bolted to the piston body 5. The E-shaped steel 7 has a thickness of 10mm-30mm, and each support arm of the E-shaped steel 7 has a round hole at its end. The round hole is used for the pin or shaft 9 to pass through so as to connect with the sliding plate 3 or the middle arm connector 6.

[0060] The middle arm connector 6 is fitted onto the piston body 5 and can move vertically relative to the piston body 5; the middle support arms 702 of the two E-shaped steels 7 are hinged to the middle arm connector 6 through the pin 9; the piston body 5 can drive the middle arm connector 6 to move relative to the sliding plate 3 together, and the relative movement of the middle arm connector 6 and the sliding plate 3 can cause the E-shaped steel 7 to deform.

[0061] In an optional embodiment, the middle arm connector 6 may include a sleeve 601 and two ear plates 602; the two ear plates 602 are symmetrically arranged along the center of the sleeve 601, and both ear plates 602 are connected to the outer wall of the sleeve 601; the sleeve 601 is sleeved on the piston body 5 and can move vertically relative to the piston body 5; the ear plates 602 are hinged to the corresponding middle support arm 702 through pins 9.

[0062] Specifically, the thickness of the sleeve 601 and the two ear plates 602 can be 10mm-30mm.

[0063] In an optional embodiment, the inner wall of the sleeve 601 may be provided with a protrusion 6011, and the piston body 5 may be provided with a guide groove that matches the protrusion 6011. The guide groove is arranged along the height direction of the piston body 5, and the protrusion 6011 can move axially along the guide groove. Specifically, the protrusion 6011 and the sleeve 601 may be welded together or integrally formed. The number of protrusions 6011 may be two, three, or four, and these protrusions 6011 are centrally symmetrically distributed along the sleeve 601.

[0064] In an optional embodiment, the top surface of the piston body 5 may be provided with a limiting groove, and a wear-resistant plate 4 is provided in the limiting groove, with the wear-resistant plate 4 clamped between the sliding plate 3 and the piston body 5. Specifically, the thickness of the wear-resistant plate 4 may be 3mm, 4mm, 5mm, or 6mm, and the material of the wear-resistant plate 4 may be high-chromium cast iron, nickel-hard cast iron, alumina ceramic, or silicon carbide ceramic, etc.

[0065] In an optional embodiment, the side arm 701 can be connected to the sliding plate 3 via the side arm connector 8, the side arm connector 8 is fixedly connected to the sliding plate 3, and the side arm 701 is then hinged to the side arm connector 8 via the pin. Specifically, the side arm connector 8 is L-shaped and divided into a vertical section and a horizontal section. The top end of the vertical section is welded to the sliding plate 3, and the horizontal section is hinged to the side arm 701 via the pin.

[0066] In an optional embodiment, a base basin 11 may be included, with a groove on the top of the base basin 11, and the piston body 5 disposed within the groove. Specifically, the bottom of the piston body 5 is embedded in the groove, and the groove restricts the lateral movement of the piston body 5.

[0067] In an optional embodiment, a rubber pad 10 may be provided in the groove, and the rubber pad 10 is clamped between the piston body 5 and the base 11. Specifically, the thickness of the rubber pad 10 may be 20mm, 30mm, 40mm, 50mm, or 60mm.

[0068] In an optional embodiment, an annular groove may be provided at one end of the rubber pad 10 near the piston body 5, and a sealing copper ring 16 is provided in the annular groove, which is sandwiched between the rubber pad 10, the piston body 5 and the base 11.

[0069] In an optional embodiment, an annular receiving groove may be formed on the outer peripheral surface of the piston body 5, and a sealing ring 15 is disposed in the receiving groove, with the sealing ring 15 sandwiched between the piston body 5 and the base 11. Specifically, the sealing ring 15 may be made of nitrile rubber or silicone rubber.

[0070] In an optional embodiment, the top of the sliding plate 3 can be connected to an upper embedded plate 2, and the top surface of the upper embedded plate 2 is provided with a first anchor 1; the bottom of the base plate 11 can be provided with a lower anchoring plate 12, and the bottom surface of the lower anchoring plate 12 is provided with a second anchor 13. Specifically, the first anchor 1 and the second anchor 13 are both anchor steel bars. The upper embedded plate 2 can be configured with four first anchors 1. The lower anchoring plate 12 can be configured with four second anchors 13. In this scheme, the first anchors 1 and the upper embedded plate 2 are used for pre-embedding in the bridge body. The second anchors 13 and the lower anchoring plate 12 are used for pre-embedding in the piers.

[0071] Specifically, the upper embedded plate 2, sliding plate 3, piston body 5, track bar 501, middle arm connector 6, side arm connector 8, pin shaft 9, bottom basin 11 and lower anchor plate 12 are all made of steel.

[0072] Example 2

[0073] like Figure 3 , Figure 4 and Figure 6 As shown, in this embodiment, each E-shaped steel 7 in embodiment 1 is replaced with two arc-shaped steels 14. The two arc-shaped steels 14 are spliced ​​together in an overlapping manner to form an E-shape. The support arm at the overlapping position of the two arc-shaped steels 14 is hinged to the middle arm connector 6 through the pin 9. The other two support arms of the two arc-shaped steels 14 are hinged to the sliding plate 3 through the pin.

[0074] Specifically, the planar shape of the curved steel 14 can be C-shaped or semi-circular, and the thickness of the curved steel 14 can be 10mm-30mm.

[0075] In this application, the sleeve 601 is mounted on the piston body 5 in a sleeved manner and can move vertically relative to the piston body 5. During the process of the support bearing external forces, the middle arm connector 6, which is formed by the sleeve 601 and the lug 602, will deform to a certain extent along with the E-shaped steel 7 under the influence of the external force. This deformation has two positive effects: firstly, it can alleviate the stress concentration phenomenon at the E-shaped steel 7 to a certain extent, avoiding local structural damage due to excessive stress concentration; secondly, through the deformation of the middle arm connector 6, it can absorb and dissipate some energy, playing a certain energy dissipation role and helping to improve the stability and safety of the entire structure.

[0076] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An E-shaped steel damping support, comprising a sliding plate (3), a piston body (5), and two E-shaped steels (7), wherein the sliding plate (3) is located above the piston body (5), the bottom of the sliding plate (3) is provided with a guide rail groove (301), and a track bar (501) is fixed to the top of the piston body (5), the sliding plate (3) is mounted on the track bar (501) through the guide rail groove (301), and the sliding plate (3) can move along the track bar (501); the two E-shaped steels (7) are arranged on both sides of the track bar (501), the E-shaped steels (7) comprising two side arms (701) and a middle arm (702), the middle arm (702) being located between the two side arms (701); the side arms (701) are hinged to the sliding plate (3) by a pin; characterized in that, Also includes: The middle arm connector (6) is sleeved on the piston body (5) and can move vertically relative to the piston body (5); the middle support arms (702) of the two E-shaped steels (7) are hinged to the middle arm connector (6) through pins (9); the piston body (5) can drive the middle arm connector (6) to move together relative to the sliding plate (3), and the relative movement of the middle arm connector (6) and the sliding plate (3) can cause the E-shaped steel (7) to deform.

2. The E-type steel damping support according to claim 1, characterized in that, The middle arm connector (6) includes a sleeve (601) and two ear plates (602); the two ear plates (602) are arranged symmetrically along the center of the sleeve (601), and both ear plates (602) are connected to the outer wall of the sleeve (601); the sleeve (601) is sleeved on the piston body (5) and can move vertically relative to the piston body (5); the ear plates (602) are hinged to the corresponding middle support arm (702) through the pin (9).

3. The E-type steel damping bearing according to claim 2, characterized in that, The inner wall of the sleeve (601) is provided with a protrusion (6011), and the piston body (5) is provided with a guide groove that matches the protrusion (6011). The guide groove is arranged along the height direction of the piston body (5), and the protrusion (6011) can move along the axial direction of the guide groove.

4. An E-type steel damping bearing according to any one of claims 1-3, characterized in that, Each of the E-shaped steel (7) includes two arc-shaped steels (14), which are spliced ​​together in an overlapping manner to form an E-shape. The support arm at the overlapping position of the two arc-shaped steels (14) is hinged to the middle arm connector (6) through the pin (9), and the other two support arms of the two arc-shaped steels (14) are hinged to the sliding plate (3) through the pin.

5. The E-type steel damping bearing according to claim 4, characterized in that, The piston body (5) has a limiting groove on its top surface, and a wear-resistant plate (4) is provided in the limiting groove. The wear-resistant plate (4) is sandwiched between the sliding plate (3) and the piston body (5).

6. The E-type steel damping support according to claim 4, characterized in that, The side arm (701) is connected to the sliding plate (3) through the side arm connector (8), the side arm connector (8) is fixedly connected to the sliding plate (3), and the side arm (701) is hinged to the side arm connector (8) through the pin.

7. The E-type steel damping support according to claim 4, characterized in that, It also includes a base basin (11), the top of which is provided with a groove, and the piston body (5) is disposed in the groove.

8. The E-type steel damping bearing according to claim 7, characterized in that, A rubber pad (10) is provided in the groove, and the rubber pad (10) is sandwiched between the piston body (5) and the bottom basin (11).

9. An E-type steel damping bearing according to claim 8, characterized in that, The rubber pad (10) has an annular groove at one end near the piston body (5), and a sealing copper ring (16) is provided in the annular groove. The sealing copper ring (16) is sandwiched between the rubber pad (10), the piston body (5) and the base (11).

10. An E-type steel damping bearing according to claim 7, characterized in that, An annular receiving groove is provided on the outer peripheral surface of the piston body (5), and a sealing ring (15) is provided in the receiving groove. The sealing ring (15) is sandwiched between the piston body (5) and the bottom basin (11).

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