A load bearing beam sliding support and connection platform

Abstract

This invention relates to the field of connection platform technology, and discloses a sliding support for a load-bearing beam and a connection platform. The sliding support for the load-bearing beam includes a first support and a second support arranged horizontally at intervals. The end of the load-bearing beam facing the first support has an I-shaped segment. The I-shaped segment has an upper flange, a web, and a lower flange. The I-shaped segment is fitted onto the first support and the second support, and the web is located at the interval between adjacent first and second supports. The first support and the second support are respectively arranged on both sides of the web. This design saves vertical installation space. When the cross-sectional height of the concrete beam is similar to that of the load-bearing beam, the sliding connection of the load-bearing beam can still be achieved within a limited height range on the side of the beam. The first and second supports on both sides of the web can directly form lateral constraints and resistance to the web, limiting the lateral swaying of the load-bearing beam perpendicular to the sliding direction, and effectively reducing the risk of lateral swaying or even overturning due to the high center of gravity.

Description

Technical Field

[0001] This invention relates to the field of connection platform technology, and in particular to a load-bearing beam sliding support and connection platform. Background Technology

[0002] In power plant projects, due to the numerous pipelines of various specialties, it is common to encounter situations where pipelines are connected overhead between two buildings. In such cases, steel beams are needed to anchor the pipelines between the two buildings. This situation occurs not only in newly built power plants but also frequently during technical upgrades after the power plant has been put into operation, requiring the addition of additional steel beams. Considering seismic resistance requirements, one end of the steel beam needs to be equipped with a sliding bearing to prevent the steel beam from breaking under seismic loads when the two structures shift relative to each other. Because the steel beam needs to be arranged in accordance with the location of the pipelines, in most cases, it is not possible to directly anchor it to the concrete column using corbels. Instead, it needs to be anchored on the side of the concrete beam. Due to the limited cross-sectional height of the concrete beam, when its cross-sectional height is similar to that of the steel beam, it is not possible to simply anchor the load-bearing beam to a sliding bearing on the side of the beam as easily as setting corbels on the side of a concrete column. To address the aforementioned issues, patent document CN203856076U discloses a steel beam sliding support, which includes a supporting force-bearing component, a sliding steel beam, a sliding baffle with a guiding function, a drag-reducing component, and end baffles. The sliding baffles with a guiding function are installed facing each other on the supporting force-bearing component, and the sliding steel beam is placed in the middle between the sliding baffles with a guiding function installed facing each other. End baffles are provided at both ends of the sliding baffles.

[0003] However, the supporting force-bearing component in this steel beam sliding support is located below the steel beam, which is essentially equivalent to setting a corbel on the side of the beam, only replacing the traditional reinforced concrete corbel with steel sections. The steel beam and its upper load sit on the top surface of the supporting force-bearing component through the lower surface of the lower flange, requiring additional vertical installation height below the steel beam. When the height of the concrete beam section is similar to that of the steel beam section, this solution is still not applicable due to the limited height space on the side of the beam. Furthermore, in this structure, the entire steel beam sits on top of the supporting force-bearing component, and the center of gravity of the entire steel beam is located at a considerable height above the top surface of the supporting force-bearing component. Under the action of horizontal loads such as strong earthquakes or strong winds, the end baffles at both ends in the sliding direction alone cannot effectively resist lateral loads, and the steel beam is prone to lateral swaying, which may even lead to the overturning of the steel beam in severe cases, posing a certain safety risk. Summary of the Invention

[0004] The technical problem this invention aims to solve is that in existing steel beam sliding supports, the steel beam is placed entirely above the supporting load-bearing member, requiring additional vertical installation height below the steel beam. When the height of the concrete beam section is similar to that of the steel beam section, this solution is not applicable due to the limited space on the side of the beam. Furthermore, the center of gravity of the steel beam is located at a considerable height above the top surface of the supporting load-bearing member. Under horizontal loads such as strong earthquakes or strong winds, the end baffles at both ends in the sliding direction alone cannot effectively resist lateral loads, making the steel beam prone to lateral swaying. In severe cases, this can even lead to the overturning of the steel beam, posing a certain safety risk.

[0005] To solve the above-mentioned technical problems, the present invention provides a sliding support for a load-bearing beam, comprising a first support member and a second support member arranged horizontally at intervals; The end of the load-bearing beam facing the first support member has an I-shaped segment; the I-shaped segment has an upper flange, a web, and a lower flange; The I-shaped segment is fitted onto the first support and the second support, and the web is located at the interval between the adjacent first support and the second support. The first support and the second support are respectively disposed on both sides of the web. A first sliding layer is provided between the first support and the lower surface of the upper flange, and a second sliding layer is provided between the second support and the lower surface of the upper flange, so that the load-bearing beam can slide horizontally relative to the first support and the second support.

[0006] Preferably, the bottom surface of the first support member facing the I-shaped segment is provided with a first limiting member, and the bottom surface of the second support member facing the I-shaped segment is provided with a second limiting member; The end of the I-shaped segment facing the first support member is provided with a first anti-detachment plate and a second anti-detachment plate; the first anti-detachment plate and the second anti-detachment plate are respectively located on both sides of the web plate and are respectively connected to the web plate; the first limiting member is used to stop the first anti-detachment plate, and the second limiting member is used to stop the second anti-detachment plate.

[0007] Preferably, both the first limiting member and the second limiting member are L-shaped angle steels, and the L-shaped angle steels include mutually perpendicular horizontal connecting sections and vertical stopping sections; One of the horizontal connecting sections of the L-shaped angle steel is connected to the bottom wall of the first support member, and the vertical stopping section of the L-shaped angle steel extends downward to stop the first anti-detachment plate; Another horizontal connecting section of the L-shaped angle steel is connected to the bottom wall of the second support member, and the vertical stop section of the L-shaped angle steel extends downward to stop the second anti-detachment plate.

[0008] Preferably, the first sliding layer includes a first polytetrafluoroethylene (PTFE) plate and a third PTFE plate; the second sliding layer includes a second PTFE plate and a fourth PTFE plate. The first polytetrafluoroethylene plate is fixedly installed on the top surface of the first support member, and the third polytetrafluoroethylene plate is fixedly installed on the lower surface of the upper wing plate on one side of the web. The second polytetrafluoroethylene (PTFE) plate is fixedly installed on the top surface of the second support member, and the fourth PTFE plate is fixedly installed on the lower surface of the upper wing plate on the other side of the web.

[0009] Preferably, the first support member is a first channel steel, the second support member is a second channel steel, and the openings of both the first channel steel and the second channel steel face away from the web plate.

[0010] Preferably, the first channel steel is provided with a first stiffening plate, and the second channel steel is provided with a second stiffening plate.

[0011] Preferably, the I-shaped segment is provided with a third stiffening plate and a fourth stiffening plate; the third stiffening plate and the fourth stiffening plate are located on both sides of the web.

[0012] Preferably, the sliding support for the load-bearing beam further includes a first anti-derailment chain and a second anti-derailment chain; One end of the first anti-derailment chain is fixed to the first stiffening plate, and the other end is fixed to the third stiffening plate; One end of the second anti-derailment chain is fixed to the second stiffening plate, and the other end is fixed to the fourth stiffening plate.

[0013] The present invention also provides a load-bearing beam connection platform, including a support beam and the aforementioned load-bearing beam sliding support; the ends of the first support member and the second support member away from the I-beam segment are fixedly connected to the support beam.

[0014] Preferably, the support beam is provided with embedded parts; the ends of the first support and the second support away from the I-shaped section are fixedly connected to the embedded parts.

[0015] Compared with the prior art, the preferred embodiment of the present invention provides a sliding support for a load-bearing beam, which has the following advantages: The first and second support members are located below the upper flange and extend into the I-shaped segment for support, eliminating the need for an additional support structure below the lower flange of the load-bearing beam, thus saving vertical installation space. When the height of the concrete beam section is similar to that of the load-bearing beam section, a sliding connection of the load-bearing beam can still be achieved within a limited height range on the beam side, effectively solving the problem that the prior art is unsuitable due to insufficient beam height. This is particularly suitable for new construction and technical renovation projects where the space on the side of the concrete beam is limited. Simultaneously, the first and second support members are respectively located on both sides of the web and support the lower surface of the upper flange, ensuring that the I-shaped segment of the load-bearing beam is supported in the height direction. The structure forms an internally supported, low-center-of-gravity sliding structure. The loads of the load-bearing beam and its upper pipelines are directly borne by the first and second supports located below the upper flange, effectively reducing the overall center of gravity of the load-bearing beam. Furthermore, the web is clamped between the first and second supports. When horizontal loads such as strong earthquakes or strong winds are applied, the first and second supports on both sides of the web can directly provide lateral restraint and resistance to the web, limiting the lateral swaying of the load-bearing beam perpendicular to the sliding direction. This avoids the inadequacy of relying solely on the limiting components at both ends of the sliding direction to resist lateral loads, significantly improving the lateral stability and safety of the load-bearing beam during horizontal sliding, and effectively reducing the risk of lateral swaying or even overturning due to the high center of gravity. Attached Figure Description

[0016] Figure 1 This is a top view of the load-bearing beam connection platform provided in a preferred embodiment of the present invention; Figure 2 yes Figure 1 Sectional view along line AA in the middle; Figure 3 yes Figure 1 BB-direction sectional view in the middle; Figure 4 yes Figure 1 CC-direction section view; Figure 5 yes Figure 1 DD section view.

[0017] In the diagram, 1. Support beam; 2. Embedded part; 3. First support component; 31. First stiffening plate; 32. First limiting component; 33. First PTFE plate; 4. Second support component; 41. Second stiffening plate; 42. Second limiting component; 43. Second PTFE plate; 5. I-shaped section; 51. Upper flange; 52. Web plate; 53. Lower flange; 54. First anti-detachment plate; 55. Second anti-detachment plate; 56. Third stiffening plate; 57. Fourth stiffening plate; 58. Third PTFE plate; 59. Fourth PTFE plate; 6. First anti-detachment chain; 7. Second anti-detachment chain; 8. Horizontal connecting section; 9. Vertical stopping section; 10. First sliding layer; 11. Second sliding layer. Detailed Implementation

[0018] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. The following preferred embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0020] It should be understood that the terms "first," "second," etc., are used in this invention to describe various types of information, but these terms are not limited to them; they are only used to distinguish information of the same type from one another. For example, without departing from the scope of this invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] like Figures 1 to 5 As shown, a preferred embodiment of the present invention provides a sliding support for a load-bearing beam, including a first support member 3 and a second support member 4 arranged horizontally at intervals; The end of the load-bearing beam facing the first support member 3 has an I-shaped segment 5; the I-shaped segment 5 has an upper flange 51, a web 52 and a lower flange 53; The I-shaped segment 5 is fitted onto the first support 3 and the second support 4, and the web plate 52 is located at the interval between adjacent first support 3 and second support 4. The first support member 3 and the second support member 4 are respectively disposed on both sides of the web plate 52. A first sliding layer 10 is provided between the first support member 3 and the lower surface of the upper flange 51, and a second sliding layer 11 is provided between the second support member 4 and the lower surface of the upper flange 51, so that the load-bearing beam can slide horizontally relative to the first support member 3 and the second support member 4.

[0023] The first support member 3 and the second support member 4 are located below the upper flange 51 and extend into the I-shaped segment 5 for support. This eliminates the need for an additional support structure below the lower flange 53 of the load-bearing beam, saving vertical installation space. When the height of the concrete beam section is similar to that of the load-bearing beam section, a sliding connection of the load-bearing beam can still be achieved within a limited height range on the beam side. This effectively solves the problem that existing technologies are unsuitable due to insufficient height of the support beam 1, making it particularly suitable for new construction and technical renovation projects where the space on the side of the concrete beam is limited. Simultaneously, the first support member 3 and the second support member 4 are respectively located on both sides of the web 52 and support the lower surface of the upper flange 51, forming an internally supported, low-center-of-gravity sliding structure in the height direction of the I-shaped segment 5 of the load-bearing beam, thus enhancing its load-bearing capacity. The loads of the beam and its upper pipelines are directly borne by the first support 3 and the second support 4 located below the upper flange 51, effectively reducing the center of gravity of the entire load-bearing beam. Furthermore, the web 52 is clamped between the first support 3 and the second support 4. When horizontal loads such as strong earthquakes or strong winds are applied, the first support 3 and the second support 4 on both sides of the web 52 can directly form lateral constraints and resistance to the web 52, limiting the lateral sway of the load-bearing beam perpendicular to the sliding direction. This avoids the inadequacy of relying solely on the limiting members at both ends of the sliding direction to resist lateral loads, significantly improving the lateral stability and safety of the load-bearing beam during horizontal sliding, and effectively reducing the risk of lateral swaying or even overturning due to the high center of gravity.

[0024] Specifically, the bottom surface of the first support member 3 facing the I-shaped segment 5 is provided with a first limiting member 32, and the bottom surface of the second support member 4 facing the I-shaped segment 5 is provided with a second limiting member 42. The end of the I-shaped segment 5 facing the first support member 3 is provided with a first anti-detachment plate 54 and a second anti-detachment plate 55; the first anti-detachment plate 54 and the second anti-detachment plate 55 are respectively located on both sides of the web plate 52 and are respectively connected to the web plate 52; the first limiting member 32 is used to stop the first anti-detachment plate 54, and the second limiting member 42 is used to stop the second anti-detachment plate 55.

[0025] When the load-bearing beam slides horizontally away from the first support 3 and the second support 4 to its limit position, the first limiting member 32 and the first anti-detachment plate 54, and the second limiting member 42 and the second anti-detachment plate 55 respectively form a blocking engagement, thereby mechanically limiting the sliding distance of the I-shaped segment 5 in the sliding direction. This effectively prevents the load-bearing beam from accidentally detaching from the support due to excessive horizontal displacement, improving the safety and reliability of the sliding support under extreme working conditions. Furthermore, the first limiting member 32 and the second limiting member 42 are respectively located on the bottom surface of the first support 3 and the second support 4 at one end facing the I-shaped segment 5, making full use of the space between the lower part of the first support 3 and the second support 4 and the lower flange 53 of the I-shaped segment 5. Simultaneously, the first anti-detachment plate 54 and the second anti-detachment plate 55 are respectively located inside the I-shaped segment 5 and on both sides of the web 52, directly connected to the web 52. This fully utilizes the structural characteristics of the I-shaped segment 5 itself, eliminating the need for additional connecting components, resulting in a simple and compact structure.

[0026] Specifically, the first anti-detachment plate 54 and the second anti-detachment plate 55 are welded and fixed to the I-shaped segment 5 respectively.

[0027] Specifically, both the first limiting member 32 and the second limiting member 42 are L-shaped angle steels. The L-shaped angle steels include mutually perpendicular horizontal connecting sections 8 and vertical stopping sections 9. The horizontal connecting section 8 of one of the L-shaped angle steels is connected to the bottom wall of the first support member 3, and the vertical stopping section 9 of the L-shaped angle steel extends downward to stop the first anti-detachment plate 54. The horizontal connecting section 8 of the other L-shaped angle steel is connected to the bottom wall of the second support member 4, and the vertical stopping section 9 of the L-shaped angle steel extends downward to stop the second anti-detachment plate 55.

[0028] The horizontal connecting sections 8 of the two L-shaped angle steels are connected to the bottom walls of the first support 3 and the second support 4 respectively, which increases the connection area and makes the connection between the limiting member and the support member more stable and reliable. It can effectively resist the impact load on the limiting member when the bearing beam slides to the limit position. At the same time, the vertical stopping sections 9 of the two L-shaped angle steels extend downward and form a stopping cooperation with the first anti-detachment plate 54 and the second anti-detachment plate 55 located inside the I-shaped section 5 respectively.

[0029] Specifically, the first sliding layer 10 includes a first polytetrafluoroethylene plate 33 and a third polytetrafluoroethylene plate 58; the second sliding layer 11 includes a second polytetrafluoroethylene plate 43 and a fourth polytetrafluoroethylene plate 59. The first polytetrafluoroethylene plate 33 is fixedly installed on the top surface of the first support member 3, and the third polytetrafluoroethylene plate 58 is fixedly installed on the lower surface of the upper wing plate 51 on one side of the web plate 52. The second polytetrafluoroethylene plate 43 is fixedly disposed on the top surface of the second support member 4, and the fourth polytetrafluoroethylene plate 59 is fixedly disposed on the lower surface of the upper wing plate 51 on the other side of the web plate 52.

[0030] The first support member 3 and the upper flange 51, as well as the second support member 4 and the upper flange 51, form a sliding fit between polytetrafluoroethylene (PTFE) plates. By utilizing the extremely low coefficient of friction of the PTFE plates, the frictional resistance when the load-bearing beam slides is effectively reduced, ensuring that the load-bearing beam can slide smoothly under horizontal load.

[0031] Specifically, the horizontal length of the third PTFE plate 58 is greater than that of the first PTFE plate 33, and the horizontal length of the fourth PTFE plate 59 is greater than that of the second PTFE plate 43. This length scheme allows the exposed surfaces of the longer third and fourth PTFE plates to face downwards, effectively avoiding the impact of dust accumulation between PTFE plates on sliding performance in outdoor environments.

[0032] Specifically, the first support member 3 is a first channel steel, and the second support member 4 is a second channel steel. The openings of the first channel steel and the second channel steel both face away from the web plate 52. That is, the web plate 52 surfaces of the first channel steel and the second channel steel face the web plate 52 of the bearing beam, respectively. By utilizing the straight back of the channel steel to form a stable lateral mating surface with the web plate 52 of the bearing beam, it is ensured that the web plate 52 slides smoothly between the two channel steels, and the back of the channel steel forms an effective lateral limit on the web plate 52.

[0033] Specifically, the first channel steel is provided with a first stiffening plate 31, and the second channel steel is provided with a second stiffening plate 41, which enhances the structural strength of the first channel steel and the second channel steel.

[0034] Specifically, the I-shaped segment 5 is provided with a third stiffening plate 56 and a fourth stiffening plate 57. The third stiffening plate 56 and the fourth stiffening plate 57 are located on both sides of the web 52, respectively. By providing the third stiffening plate 56 and the fourth stiffening plate 57 on both sides of the web 52 in the I-shaped segment 5, the structural strength of the I-shaped segment 5 is enhanced. At the same time, when the load-bearing beam slides horizontally towards the first support member 3 or the second support member 4 to the limit position, the plate surface of the third stiffening plate 56 can form an abutment fit with the end face of the first support member 3 facing the I-shaped segment 5, and the plate surface of the fourth stiffening plate 57 can form an abutment fit with the end face of the second support member 4 facing the I-shaped segment 5. This forms another mechanical limit on the I-shaped segment 5 in the sliding direction. Together with the aforementioned limiting member and the anti-detachment plate, it constitutes a double limiting mechanism in different sliding directions, further ensuring that the load-bearing beam moves back and forth within the allowable sliding range.

[0035] Specifically, the sliding support of the load-bearing beam also includes a first anti-derailment chain 6 and a second anti-derailment chain 7; One end of the first anti-derailment chain 6 is fixed to the first stiffening plate 31, and the other end is fixed to the third stiffening plate 56; One end of the second anti-derailment chain 7 is fixed to the second stiffening plate 41, and the other end is fixed to the fourth stiffening plate 57.

[0036] By setting a first anti-detachment chain 6 and a second anti-detachment chain 7, one end of the first anti-detachment chain 6 is fixed to the first stiffening plate 31 and the other end is fixed to the third stiffening plate 56, and one end of the second anti-detachment chain 7 is fixed to the second stiffening plate 41 and the other end is fixed to the fourth stiffening plate 57. Under normal sliding conditions, the two anti-detachment chains are in a slack state and do not participate in the load-bearing. When the blocking cooperation between the first limiting member 32 and the first anti-detachment plate 54, and the second limiting member 42 and the second anti-detachment plate 55 fails due to extreme conditions, the anti-detachment chains can serve as a second anti-detachment guarantee. By connecting the load-bearing beam with the first support member 3 and the second support member 4 through the first stiffening plate 31, the second stiffening plate 41, the third stiffening plate 56, and the fourth stiffening plate 57, the load-bearing beam is effectively prevented from falling off the support member. Thus, the first stiffening plate 31 and the second stiffening plate 41, while enhancing the strength of the first support member 3 and the second support member 4, also provide a solid connection foundation for one end of the anti-derailment chain; the third stiffening plate 56 and the fourth stiffening plate 57, while enhancing the strength of the end of the I-shaped section 5, not only provide a solid connection foundation for the other end of the anti-derailment chain, but also form abutment and limiting with the end faces of the first support member 3 and the second support member 4 facing the I-shaped section 5. The third stiffening plate 56 and the fourth stiffening plate 57 simultaneously achieve the three functions of strength enhancement, sliding direction limiting, and anti-derailment connection.

[0037] A preferred embodiment of the present invention also provides a load-bearing beam connection platform, including a support beam 1 and the aforementioned load-bearing beam sliding support; the ends of the first support member 3 and the second support member 4 away from the I-shaped segment 5 are fixedly connected to the support beam 1.

[0038] Specifically, the support beam 1 is equipped with an embedded part 2; the ends of the first support part 3 and the second support part 4 away from the I-shaped section 5 are fixedly connected to the embedded part 2; there is no need to set up additional corbels on the side of the support beam 1, avoiding the complex procedures such as formwork and reinforcement binding required for corbel construction; at the same time, the embedded part 2 is directly embedded in the support beam 1 and fixedly connected to the first support part 3 and the second support part 4, increasing the connection area and anchorage strength between the connecting platform and the sliding support; and since the connection between the embedded part 2 and the support part is located inside the support beam 1, it does not occupy the extra space on the side of the support beam 1, improving the applicability of the connecting platform under the condition of limited space on the side of the beam.

[0039] The preferred embodiment of the present invention provides the following working process for the load-bearing beam connection platform: First, an embedded part 2 is installed in the support beam 1. The ends of the first support member 3 and the second support member 4 away from the I-shaped section 5 are respectively fixedly connected to the embedded part 2, so that the sliding support is fixed to the side of the support beam 1 as a whole. Then, the I-shaped section 5 at the end of the load-bearing beam is sleeved on the first support member 3 and the second support member 4, so that the web 52 of the I-shaped section 5 is located at the interval between the first support member 3 and the second support member 4. The first anti-detachment plate 54 and the second anti-detachment plate 55 on both sides of the web 52 are respectively set and supported on the lower surface of the upper flange 51. The first anti-detachment plate 54 and the second anti-detachment plate 55 on both sides of the web 52 respectively form a blocking fit with the vertical stop section 9 of the L-shaped angle steel on the bottom surface of the corresponding support member. The first polytetrafluoroethylene plate 33 and the second polytetrafluoroethylene plate 43 are respectively paired and attached to the third polytetrafluoroethylene plate 58 and the fourth polytetrafluoroethylene plate 59. Under the action of horizontal load, the load-bearing beam passes through the polytetrafluoroethylene between the lower surface of the upper flange 51 and the top surface of the support member. The ethylene plates are paired and slide in a sliding fit, reciprocating horizontally relative to the first support 3 and the second support 4. When the load-bearing beam slides away from the support to its limit position, the vertical stop section 9 of the L-shaped angle steel forms a stop fit with the anti-detachment plate, mechanically limiting the sliding distance of the load-bearing beam. When the above-mentioned stop fit fails due to extreme working conditions, causing the load-bearing beam to continue sliding away from the support, the first anti-detachment chain 6 and the second anti-detachment chain 7 are tensioned, connecting the load-bearing beam with the first support 3 and the second support 4 as a whole through the first stiffening plate 31, the second stiffening plate 41, the third stiffening plate 56, and the fourth stiffening plate 57, serving as a second anti-detachment guarantee to prevent the load-bearing beam from falling off the support. When the load-bearing beam slides towards the support to its limit position, the surfaces of the third stiffening plate 56 and the fourth stiffening plate 57 respectively form an abutment fit with the end faces of the first support 3 and the second support 4 facing the I-shaped section 5, mechanically limiting the sliding distance of the load-bearing beam from another direction.

[0040] In summary, the preferred embodiment of the present invention provides a sliding support for a load-bearing beam in which the first and second support members are located below the upper flange and extend into the I-shaped segment for support. This eliminates the need for an additional support structure below the lower flange of the load-bearing beam, saving vertical installation space. When the height of the concrete beam section is similar to that of the load-bearing beam section, a sliding connection of the load-bearing beam can still be achieved within a limited height range on the beam side. This effectively solves the problem that existing technologies are unsuitable due to insufficient beam height, making it particularly suitable for new construction and technical renovation projects where the space on the side of the concrete beam is limited. Furthermore, the first and second support members are respectively located on both sides of the web and support the lower surface of the upper flange, forming an internally supported structure in the height direction of the I-shaped segment of the load-bearing beam. The low center of gravity sliding structure allows the loads of the load-bearing beam and its upper pipelines to be directly borne by the first and second supports located below the upper flange, effectively reducing the overall center of gravity of the load-bearing beam. Furthermore, the web is clamped between the first and second supports, so when horizontal loads such as strong earthquakes or strong winds are applied, the first and second supports on both sides of the web can directly provide lateral restraint and resistance to the web, limiting the lateral swaying of the load-bearing beam perpendicular to the sliding direction. This avoids the inadequacy of relying solely on the limiting components at both ends of the sliding direction to resist lateral loads, significantly improving the lateral stability and safety of the load-bearing beam during horizontal sliding, and effectively reducing the risk of lateral swaying or even overturning due to the high center of gravity.

[0041] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.

Claims

1. A sliding support for a load-bearing beam, characterized in that, Includes a first support (3) and a second support (4) arranged at horizontal intervals; The bearing beam has an I-shaped segment (5) at one end facing the first support member (3); the I-shaped segment (5) has an upper flange (51), a web (52) and a lower flange (53); The I-shaped segment (5) is fitted onto the first support (3) and the second support (4), and the web (52) is located at the interval between adjacent first support (3) and second support (4); The first support member (3) and the second support member (4) are respectively disposed on both sides of the web plate (52). A first sliding layer (10) is provided between the first support member (3) and the lower surface of the upper wing plate (51), and a second sliding layer (11) is provided between the second support member (4) and the lower surface of the upper wing plate (51); so that the bearing beam slides horizontally relative to the first support member (3) and the second support member (4).

2. The sliding support for a load-bearing beam according to claim 1, characterized in that, The first support member (3) has a first limiting member (32) on the bottom surface of one end facing the I-shaped segment (5), and the second support member (4) has a second limiting member (42) on the bottom surface of one end facing the I-shaped segment (5). The I-shaped segment (5) is provided with a first anti-detachment plate (54) and a second anti-detachment plate (55) at one end facing the first support member (3); the first anti-detachment plate (54) and the second anti-detachment plate (55) are respectively located on both sides of the web plate (52) and are respectively connected to the web plate (52); the first limiting member (32) is used to block the first anti-detachment plate (54), and the second limiting member (42) is used to block the second anti-detachment plate (55).

3. The sliding support for a load-bearing beam according to claim 1, characterized in that, The first limiting member (32) and the second limiting member (42) are both L-shaped angle steels, and the L-shaped angle steels include mutually perpendicular horizontal connecting sections (8) and vertical stopping sections (9). One of the horizontal connecting sections (8) of the L-shaped angle steel is connected to the bottom wall of the first support (3), and the vertical stopping section (9) of the L-shaped angle steel extends downward to stop the first anti-detachment plate (54). The horizontal connecting section (8) of another L-shaped angle steel is connected to the bottom wall of the second support (4), and the vertical stop section (9) of the L-shaped angle steel extends downward to stop the second anti-detachment plate (55).

4. The sliding support for a load-bearing beam according to claim 1, characterized in that, The first sliding layer (10) includes a first polytetrafluoroethylene plate (33) and a third polytetrafluoroethylene plate (58); the second sliding layer (11) includes a second polytetrafluoroethylene plate (43) and a fourth polytetrafluoroethylene plate (59). The first polytetrafluoroethylene plate (33) is fixedly disposed on the top surface of the first support member (3), and the third polytetrafluoroethylene plate (58) is fixedly disposed on the lower surface of the upper wing plate (51) on one side of the web plate (52). The second polytetrafluoroethylene plate (43) is fixedly disposed on the top surface of the second support member (4), and the fourth polytetrafluoroethylene plate (59) is fixedly disposed on the lower surface of the upper wing plate (51) on the other side of the web plate (52).

5. The sliding support for a load-bearing beam according to claim 1, characterized in that, The first support member (3) is a first channel steel, and the second support member (4) is a second channel steel. The openings of the first channel steel and the second channel steel are both facing away from the web plate (52).

6. The sliding support for a load-bearing beam according to claim 5, characterized in that, The first channel steel is provided with a first stiffening plate (31), and the second channel steel is provided with a second stiffening plate (41).

7. The sliding support for a load-bearing beam according to claim 6, characterized in that, The I-shaped segment (5) is provided with a third stiffening plate (56) and a fourth stiffening plate (57); The third stiffening plate (56) and the fourth stiffening plate (57) are located on both sides of the web plate (52).

8. The sliding support for a load-bearing beam according to claim 7, characterized in that, The sliding support of the load-bearing beam also includes a first anti-derailment chain (6) and a second anti-derailment chain (7); One end of the first anti-derailment chain (6) is fixed to the first stiffening plate (31), and the other end is fixed to the third stiffening plate (56); One end of the second anti-derailment chain (7) is fixed to the second stiffening plate (41), and the other end is fixed to the fourth stiffening plate (57).

9. A load-bearing beam connection platform, characterized in that, It includes a support beam (1), and also includes a load-bearing beam sliding support as described in any one of claims 1-8; The first support member (3) and the second support member (4) are fixedly connected to the support beam (1) at the ends away from the I-shaped segment (5).

10. The load-bearing beam connection platform according to claim 9, characterized in that, The support beam (1) is provided with embedded parts (2); The first support (3) and the second support (4) are fixedly connected to the embedded part (2) at the ends away from the I-shaped segment (5).

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