Overline portal pier cover beam supporting device
By designing the support devices for the foundation, steel piers, jacks, and cap beam bearing mechanism, the problems of complex structure and inconvenient disassembly and assembly in the construction of existing cross-line gantry pier cap beams have been solved, achieving efficient and safe construction results and ensuring the passage and construction safety of existing lines.
Patent Information
- Application Number
- CN202520025092.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing cross-line gantry pier cap beam support device has a complex structure, is inconvenient to disassemble and assemble, has a significant impact on the existing line, and is difficult to meet the needs of efficient and safe construction.
A support device was designed, comprising a foundation, steel supports, a first support structure, jacks, and a cap beam bearing mechanism. The length direction of the foundation is consistent with the width direction of the cap beam. The steel supports are connected to the first support structure, and the jacks are connected to the cap beam bearing mechanism. The height of the cap beam is adjusted by the jacks. Combined with inclined support components and safety protection mechanisms, stability and safety are ensured.
It achieves the goal of not affecting the normal operation of existing lines, has a simple structure and is easy to assemble and disassemble, meets the requirements of efficient and safe construction, and improves the stability and safety of construction.
Smart Images
Figure CN223723586U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bridge construction, in particular to a cross-line portal pier cap beam supporting device. BACKGROUND
[0002] The cross-line portal pier cap beam is a kind of beam structure arranged on the top of the cross-line portal pier, and its main function is to support the upper structure of the bridge, such as the bridge and the sidewalk, and to transmit the load of these structures to the portal pier below, and then transmit the load to the foundation by the portal pier.
[0003] During the construction of the cross-line portal pier cap beam, it is necessary to ensure the normal traffic of the existing line, and the construction difficulty is relatively large, so the stability, safety and construction convenience of the supporting device are required. The existing supporting device structure is relatively complex, not only inconvenient to disassemble and assemble, but also has a relatively large impact on the existing line, and it is difficult to meet the needs of efficient and safe construction. CONTENT OF THE UTILITY MODEL
[0004] The embodiment of the present application provides a cross-line portal pier cap beam supporting device, which solves the problems of the existing supporting device structure, such as complexity, inconvenience to disassemble and assemble, relatively large impact on the existing line, and difficulty to meet the needs of efficient and safe construction.
[0005] The utility model discloses a cross-line portal pier cap beam supporting device, which comprises a foundation, a steel buttress, a first supporting structure, a jack and a cap beam bearing mechanism.
[0006] In a possible implementation manner, the cross-line portal pier cap beam supporting device further comprises a diagonal support; at least one diagonal support is arranged between the plurality of steel buttresses, and the diagonal support is connected with each steel buttress.
[0007] In a possible implementation manner, the first supporting structure comprises two first I-shaped steels connected with each other; the length direction of each first I-shaped steel is consistent with the length direction of the foundation.
[0008] In a possible implementation manner, the bent cap bearing mechanism comprises a bottom die and a plurality of distribution beams; the bottom die is connected with the top ends of the two jacks, and the length direction of the bottom die is perpendicular to the length direction of the foundation; the plurality of distribution beams are arranged at equal intervals along the length direction of the bottom die, and each of the distribution beams is connected with the end of the bottom die away from the jacks.
[0009] In a possible implementation manner, the bottom die comprises two second support structures parallel to each other; each of the second support structures is connected with the top end of the jack at the corresponding position; the second support structure comprises two second I-beams connected with each other; the length direction of each of the second I-beams is perpendicular to the length direction of the foundation.
[0010] In a possible implementation manner, the bent cap bearing mechanism comprises a bottom die and a plurality of distribution beams; the bottom die is connected with the top ends of the two jacks, and the length direction of the bottom die is perpendicular to the length direction of the foundation; the plurality of distribution beams are arranged at equal intervals along the length direction of the bottom die, and each of the distribution beams is connected with the end of the bottom die away from the jacks.
[0011] In a possible implementation manner, the side wall of the foundation and the outer wall of each of the steel buttress are provided with warning reflective stickers.
[0012] The one or more technical solutions provided in the embodiments of the utility model have at least the following technical effects or advantages:
[0013] The utility model discloses a bent cap support device for a cross-line portal pier, which comprises a foundation, a steel buttress, a first support structure, a jack and a bent cap bearing mechanism. The length direction of the foundation is consistent with the width direction of the bent cap. The top end of the foundation is provided with a plurality of steel buttresses, which are arranged at intervals along the length direction of the foundation. The top end of each of the steel buttresses is connected with the first support structure. The top end of the first support structure is provided with two jacks. The top end of each of the two jacks is connected with the bent cap bearing mechanism, and the bent cap bearing mechanism is used for supporting the bent cap. When the support device is used, the construction of the foundation is first carried out. After the construction of the foundation is completed, the steel buttresses are assembled on site. After the steel buttresses are assembled, they are installed in place by manual cooperation with a crane. Then, the first support structure is installed on the top of the steel buttresses. After that, the jacks are installed on the top of the first support structure. Then, the bent cap bearing mechanism is installed on the top of the jacks. After that, the bent cap bearing mechanism is adjusted to the required height by the jacks. Finally, after safety inspection, the pouring construction of the bent cap is started. The bent cap support device for the cross-line portal pier does not affect the normal traffic of the existing line, has a simple structure and is convenient to disassemble and assemble, and can meet the efficient and safe construction requirements. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described in the following description are some embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of these drawings also belong to the protection scope of the present application.
[0015] Figure 1 The installation schematic diagram of the cross-line portal pier cap beam supporting device provided by the embodiments of the present application is shown in the figure.
[0016] Figure 2 The A-A direction schematic diagram in Figure 1
[0017] Icon: 1-base; 2-steel support pier; 3-first support structure; 4-jack; 5-cap beam bearing mechanism; 51-bottom die; 511-second support structure; 52-distribution beam; 6-cap beam; 7-oblique support; 8-safety protection mechanism; 81-falling object prevention net; 82-protection fence. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor also belong to the protection scope of the present application.
[0019] In the description of the embodiments of the present application, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0020] As Figures 1-2 As shown, the utility model embodiment provides a kind of cross line portal pier cap beam supporting device, which includes foundation 1, steel support pier 2, first support structure 3, jack 4 and cap beam bearing mechanism 5.The length direction of foundation 1 and the width direction of cap beam 6 are identical.The foundation 1 in the application adopts prefabricated strip foundation to ensure that stable and reliable supporting force can be provided, and the position and size of foundation 1 are accurately designed before construction to ensure the traffic capacity of the existing line below.
[0021] In the embodiment of the application, the top end of the foundation 1 is provided with a plurality of steel support piers 2, and the plurality of steel support piers 2 are arranged at intervals along the length direction of the foundation 1. The top end of each of the plurality of steel support piers 2 is connected with the first support structure 3. The top end of the first support structure 3 is provided with two jacks 4. Specifically, the height of the cap beam bearing mechanism 5 is adjusted by the jacks 4 to facilitate accurate control of the elevation of the cap beam 6 during construction.
[0022] In the embodiment of the application, the top end of each of the two jacks 4 is connected with the cap beam bearing mechanism 5, and the cap beam bearing mechanism 5 is used to support the cap beam 6. When the supporting device of the application is used, the construction of the foundation 1 is carried out first, the specific form and position of the foundation 1 are determined according to the layout of the existing line, and the construction is carried out strictly in accordance with the construction specification. After the construction of the foundation 1 is completed, the steel support piers 2 are assembled on site and installed in place by manual cooperation with the crane, then the first support structure 3 is installed on the top of the steel support piers 2, and then the jacks 4 are installed on the top of the first support structure 3. Then the cap beam bearing mechanism 5 is installed on the top of the jacks 4, and then the cap beam bearing mechanism 5 is adjusted to the required height by the jacks 4. Finally, after safety inspection, the pouring construction of the cap beam 6 is started. The cross line portal pier cap beam supporting device of the application does not affect the normal traffic of the existing line, has simple structure and is convenient to disassemble and assemble, and can meet the efficient and safe construction requirements.
[0023] The utility model discloses an embodiment provides a kind of across line portal pier cap beam supporting device, which comprises foundation 1, steel support pier 2, first support structure 3, jack 4 and cap beam bearing mechanism 5.The length direction of foundation 1 and the width direction of cap beam 6 are identical.The top of foundation 1 is provided with multiple steel support pier 2, and multiple steel support pier 2 is spaced apart along the length direction of foundation 1.The top of multiple steel support pier 2 is all connected with first support structure 3.The top of first support structure 3 is provided with two jacks 4.The top of two jacks 4 is all connected with cap beam bearing mechanism 5, and cap beam bearing mechanism 5 is used to support cap beam 6.The supporting device of the application is used, first, the construction of foundation 1 is carried out, after the construction of foundation 1 is completed, steel support pier 2 is assembled on site, steel support pier 2 is assembled and installed in place by manual cooperation crane after being assembled, first support structure 3 is then installed on the top of steel support pier 2, jack 4 is then installed on the top of first support structure 3, cap beam bearing mechanism 5 is then installed on the top of jack 4, cap beam bearing mechanism 5 is then adjusted to the required height by jack 4, and finally, after safety inspection, the pouring construction of cap beam 6 is started.The cross line portal pier cap beam supporting device of the application does not affect the normal traffic of existing line, and is simple in structure and convenient to disassemble and assemble, so that the efficient and safe construction demand can be met.
[0024] As Figure 2 shown, the cross line portal pier cap beam supporting device further comprises an inclined support 7.At least one inclined support 7 is arranged between the multiple steel support piers 2, and the inclined support 7 is connected with each steel support pier 2.Specifically, the inclined support 7 is connected obliquely on the multiple steel support piers 2 to strengthen the steel support piers 2 and prevent the steel support piers 2 from shaking due to shear force, thereby improving the stability of the supporting device.
[0025] In the present application, the first support structure 3 comprises two first I-beams connected with each other.The length direction of each first I-beam is consistent with the length direction of the foundation 1.Specifically, the first I-beam is a 45# I-beam.
[0026] As Figure 1 and Figure 2 shown, the cap beam bearing mechanism 5 comprises a bottom die 51 and a plurality of distribution beams 52.The bottom die 51 is connected with the top of the two jacks 4, and the length direction of the bottom die 51 is perpendicular to the length direction of the foundation 1.The plurality of distribution beams 52 are arranged at equal intervals along the length direction of the bottom die 51, and each distribution beam 52 is connected with one end of the bottom die 51 away from the jack 4.Specifically, the distribution beam 52 is a 12# I-beam.The cap beam bearing mechanism 5 of the present application is simple in structure and high in strength.
[0027] In the embodiment, the bottom die 51 comprises two second support structures 511 which are parallel to each other. Each second support structure 511 is connected with the top end of the corresponding jack 4. The second support structure 511 comprises two second I-beams which are connected with each other. The length direction of each second I-beam is perpendicular to the length direction of the foundation 1. Specifically, the second I-beam is a 63# A I-beam.
[0028] As shown in Figure 2 The cross-line gantry pier cap beam support device further comprises a safety protection mechanism 8. The safety protection mechanism 8 comprises a falling object prevention net 81 and a protective fence 82. The falling object prevention net 81 and the protective fence 82 are installed on both sides of the construction operation platform. Specifically, the falling object prevention net 81 and the protective fence 82 can prevent sundries from falling during construction, and can also protect the construction personnel, so as to avoid high-altitude falling and thus avoid the occurrence of unsafe accidents.
[0029] In the embodiment, the sidewall of the foundation 1 and the outer wall of each steel buttress 2 are provided with warning reflective stickers. Specifically, the warning reflective stickers can ensure the safety of night driving on the existing line, thereby improving the safety of construction.
[0030] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other. Each embodiment mainly describes the difference from other embodiments.
[0031] The above embodiments are only used to illustrate the technical solutions of the present application, and are not limited to the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features. The modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the present application.
Claims
1. A support device for a cross-line portal frame pier cap beam, characterized in that, The base (1), the steel buttress (2), the first support structure (3), the jack (4) and the bent cap bearing mechanism (5) are included. The length direction of the base (1) is consistent with the width direction of the bent cap (6). The top end of the base (1) is provided with a plurality of steel buttresses (2), and the plurality of steel buttresses (2) are arranged at intervals along the length direction of the base (1). The top end of each of the plurality of steel buttresses (2) is connected with the first support structure (3). The top end of the first support structure (3) is provided with two jacks (4). The top end of each of the two jacks (4) is connected with the bent cap bearing mechanism (5), and the bent cap bearing mechanism (5) is used for supporting the bent cap (6).
2. The overhead catenary pivot cover beam support device according to claim 1, characterized in that It also includes a diagonal support (7). At least one diagonal support (7) is arranged between the plurality of steel buttresses (2), and the diagonal support (7) is connected with each steel buttress (2).
3. The overhead catenary pivot cover beam support device according to claim 1, characterized in that The first support structure (3) includes two first I-beams connected with each other. The length direction of each first I-beam is consistent with the length direction of the base (1).
4. The overhead catenary pivot cover beam support device according to claim 1, characterized in that The bent cap bearing mechanism (5) includes a bottom die (51) and a plurality of distribution beams (52). The top end of the bottom die (51) is connected with the two jacks (4), and the length direction of the bottom die (51) is perpendicular to the length direction of the base (1). A plurality of distribution beams (52) are arranged at equal intervals along the length direction of the bottom die (51), and each distribution beam (52) is connected with one end of the bottom die (51) away from the jack (4).
5. The crosstie gantry pier cap support apparatus of claim 4, wherein, The bottom die (51) includes two second support structures (511) parallel to each other. Each second support structure (511) is connected with the top end of the corresponding jack (4). The second support structure (511) includes two second I-beams connected with each other. The length direction of each second I-beam is perpendicular to the length direction of the base (1).
6. The overhead catenary pivot cover beam support device according to claim 1, characterized in that It also includes a safety protection mechanism (8). The safety protection mechanism (8) includes a falling object prevention net (81) and a protective fence (82). The falling object prevention net (81) and the protective fence (82) are installed on both sides of the construction operation platform.
7. The overhead catenary pivot cover beam support device according to claim 1, characterized in that The side wall of the base (1) and the outer wall of each steel buttress (2) are provided with warning reflective stickers.