Temporary support for installing bridge prefabricated cover beam

Abstract

The utility model discloses a temporary support for bridge prefabricated cover beam installation. The temporary support comprises a concrete foundation structure, a bailey truss, a jacking piece and a protection assembly. The concrete foundation structure is arranged on the ground; the concrete foundation structure is connected with one end of the bailey truss; the other end of the bailey truss is connected with the fixed end of the jacking piece, and the movable end of the jacking piece is connected with the protection assembly. The side, away from the jacking piece, of the protection assembly abuts against the prefabricated cover beam. The problem that a temporary support erected in the prior art cannot achieve the purpose of supporting and protecting the cover beam is solved, and the technical effects that the cover beam is safely supported, and the position of the cover beam can be adjusted are achieved.

Description

Technical Field

[0001] This application relates to the technical field of bridge construction, and particularly relates to a temporary support for installing precast bridge bent caps. Background Art

[0002] In recent years, due to China's strong advocacy for green building design and construction requirements of energy conservation, land conservation, water conservation, material conservation, and environmental protection, precast and assembled bridges have received extensive attention. The development and application of precast and assembled bridges not only require the support of material science and design concepts, but also the construction and installation technology has a decisive impact on its development. In the construction and installation technology of assembled bridges, the temporary support system is a very important factor related to the success of hoisting and affecting the safety and efficiency of construction hoisting. Therefore, how to reasonably set up the temporary support and whether it can ensure the stability of the temporary support during the construction process to ensure safety, efficiency, and low cost has become a technical problem urgently to be solved in the construction of assembled bridges.

[0003] Since the construction support is a temporary structure, for a long time, its design has not attracted people's attention. In most cases, it is erected according to the experience of construction workers or after simple design calculations, resulting in one-fourth of the building construction accidents in China being related to the failure of temporary supports, causing huge casualties and economic losses. Utility Model Content

[0004] The embodiments of this application solve the problem that the temporarily erected support in the prior art cannot meet the purpose of supporting and protecting the bent cap, and achieve the technical effect of safely supporting the bent cap and being able to adjust the position of the bent cap.

[0005] The embodiments of the present utility model provide a temporary support for installing precast bridge bent caps, including a concrete foundation structure, a Bailey truss, a jacking member, and a protection component; the concrete foundation structure is arranged on the ground; one end of the concrete foundation structure is connected to the Bailey truss; the other end of the Bailey truss is connected to the fixed end of the jacking member, and the movable end of the jacking member is connected to the protection component; the side of the protection component away from the jacking member abuts against the precast bent cap.

[0006] In a possible implementation manner, the temporary support for installing precast bridge bent caps further includes a temporary cushion plate; the temporary cushion plate is also arranged between the Bailey truss and the jacking member.

[0007] In a possible implementation manner, the protection component includes a bottom plate and a first side plate; the movable end of the jacking member is connected to the bottom plate, and one side of the bottom plate away from the jacking member abuts against the precast cover beam; the bottom plate is perpendicular to the first side plate, and the first end of the bottom plate is connected to the first side plate, and the first side plate abuts against the precast cover beam.

[0008] In a possible implementation manner, the protection component further includes a second side plate and a third side plate; both the second side plate and the third side plate are perpendicular to the bottom plate; the second side plate is connected to the second end of the bottom plate, and the third side plate is connected to the third end of the bottom plate; both the second side plate and the third side plate abut against the precast cover beam.

[0009] In a possible implementation manner, the protection component further includes a plurality of adjusting screws and a plurality of adjusting nuts; the plurality of adjusting screws are respectively arranged between the first end of the bottom plate and the first side plate, the second end of the bottom plate and the second side plate, and the third end of the bottom plate and the third side plate; a plurality of the adjusting nuts are sleeved on the plurality of adjusting screws; the plurality of adjusting nuts respectively abut against the first side plate, the second side plate and the third side plate.

[0010] In a possible implementation manner, the temporary backing plate is provided with a positioning hole; the jacking member is arranged in the positioning hole.

[0011] In a possible implementation manner, a plurality of the jacking members are provided, and the plurality of jacking members are all arranged in the positioning hole.

[0012] One or more technical solutions provided by the present application have at least the following technical effects:

[0013] In the embodiment of the present utility model, a temporary support for the construction of a bridge precast cover beam is adopted, including a concrete foundation structure, a Bailey truss, a jacking member and a protection component; the concrete foundation structure is arranged on the ground; the concrete foundation structure is connected to one end of the Bailey truss; the other end of the Bailey truss is connected to the fixed end of the jacking member, and the movable end of the jacking member is connected to the protection component; the side of the protection component away from the jacking member abuts against the precast cover beam. The Bailey truss can support the precast cover beam, and the jacking member on the precast cover beam can jack up the protection component to a certain height, so as to achieve the purpose of adjusting the precast cover beam to the target position; and the protection component can protect the precast cover beam to prevent safety accidents caused by the precast cover beam slipping off the temporary support. The present application solves the problem that the temporary support erected in the prior art cannot meet the purpose of supporting and protecting the cover beam, and realizes the technical effect of safely supporting the cover beam and being able to adjust the position of the cover beam. Description of the Drawings

[0014] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The front view of a temporary support for installing a precast bridge bent cap provided by an embodiment of the present application;

[0016] Figure 2 The left view of a temporary support for installing a precast bridge bent cap provided by an embodiment of the present application;

[0017] Figure 3 The isometric view of the protection component provided by an embodiment of the present application.

[0018] Icon: 1 - Concrete foundation structure; 2 - Bailey truss; 3 - Jacking member; 4 - Protection component; 41 - Bottom plate; 42 - First side plate; 43 - Second side plate; 44 - Third side plate; 45 - Adjusting screw; 46 - Adjusting nut; 5 - Temporary cushion plate; 6 - Precast column; 7 - Precast bridge bent cap. Detailed implementation manners

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, rather than all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. The terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0021] The embodiments of the present utility model provide a temporary support for the installation of precast bridge bent caps. As Figure 1 and Figure 2 shown, it includes a concrete foundation structure 1, a Bailey truss 2, a jacking member 3, and a protection component 4; the concrete foundation structure 1 is arranged on the ground; one end of the concrete foundation structure 1 is connected to the Bailey truss 2; the other end of the Bailey truss 2 is connected to the fixed end of the jacking member 3, and the movable end of the jacking member 3 is connected to the protection component 4; the side of the protection component 4 away from the jacking member 3 abuts against the precast bent cap 7.

[0022] Exemplarily, before the construction process of the precast bent cap 7, the positions and elevations of the precast columns 6 and the temporary support are first checked and adjusted. After the precast columns 6 and the temporary support meet the design requirements, the hoisting operation of the precast bent cap 7 is carried out. Before the installation of the precast bent cap 7, an installation base also needs to be connected to the precast column 6. The installation base includes a rubber pad and a circular angle steel. After installation, the height is measured to ensure the accurate positioning of the precast bent cap 7.

[0023] Exemplarily, there are two precast columns 6 and two temporary supports. The two precast columns 6 and the temporary supports are arranged oppositely. The temporary support abuts against the end of the precast bent cap 7 and has a supporting effect on the precast bent cap 7. Among them, the jacking member 3 of the temporary support can adjust the height of the bent cap, and the protection component 4 can protect the precast bent cap 7 to prevent safety accidents caused by the precast bent cap 7 slipping off the temporary support.

[0024] Exemplarily, the concrete foundation structure 1 is treated by concrete pouring and hardening, which can enhance the ground bearing capacity and ensure the stability of the temporary support.

[0025] Exemplarily, the 90-type Bailey truss 2 is adopted, and multiple Bailey trusses 2 are connected into a whole by bolts to support the precast capping beam 7.

[0026] Exemplarily, the lifting member 3 adopts a jack or other components with lifting and self-locking functions. In this application, two 50T jacks are used for the temporary support.

[0027] In the embodiment of this application, as Figure 1 and Figure 2 shown, a temporary backing plate 5 is further included; a temporary backing plate 5 is also arranged between the Bailey truss 2 and the lifting member 3.

[0028] Exemplarily, one side of the temporary backing plate 5 is fixedly connected to the Bailey truss 2, and the other end of the temporary backing plate 5 is fixedly connected to the fixed end of the lifting member 3. The temporary backing plate 5 can securely connect the lifting member 3 to the Bailey truss 2. The temporary support in this application can safely support and adjust the height of the precast capping beam 7.

[0029] In the embodiment of this application, as Figure 1 、 Figure 2 and Figure 3 shown, the protection assembly 4 includes a bottom plate 41 and a first side plate 42; the movable end of the lifting member 3 is connected to the bottom plate 41, and the side of the bottom plate 41 away from the lifting member 3 abuts against the precast capping beam 7; the bottom plate 41 is perpendicular to the first side plate 42, and the first end of the bottom plate 41 is connected to the first side plate 42, and the first side plate 42 abuts against the precast capping beam 7.

[0030] Exemplarily, mounting holes are formed in the bottom plate 41, and the movable end of the lifting member 3 is arranged in the mounting holes and fixedly connected to the bottom plate 41, so as to achieve the technical effect that the lifting member 3 drives the bottom plate 41 to rise and fall. The bottom plate 41 abuts against the precast capping beam 7, and the capping beam can be supported through the bottom plate 41.

[0031] Exemplarily, the first side plate 42 is arranged in the length direction of the precast capping beam 7, and the first side plate 42 is fixedly connected to the bottom plate 41. The first side plate 42 can limit the precast capping beam 7, so as to prevent safety accidents caused by the precast capping beam 7 slipping in the length direction.

[0032] In the embodiment of this application, as Figure 1 、 Figure 2 and Figure 3 shown, the protection assembly 4 further includes a second side plate 43 and a third side plate 44; both the second side plate 43 and the third side plate 44 are perpendicular to the bottom plate 41; the second side plate 43 is connected to the second end of the bottom plate 41, and the third side plate 44 is connected to the third end of the bottom plate 41; both the second side plate 43 and the third side plate 44 abut against the precast capping beam 7.

[0033] Exemplarily, the second side plate 43 and the third side plate 44 are arranged in the width direction of the precast capping beam 7, and the second side plate 43 and the third side plate 44 are symmetrically arranged with respect to the precast capping beam 7. Both the second side plate 43 and the third side plate 44 are fixedly connected to the bottom plate 41, and both the second side plate 43 and the third side plate 44 can limit the precast capping beam 7, thereby preventing safety accidents caused by the slipping of the precast capping beam 7 in the width direction.

[0034] In the embodiment of the present application, as Figure 3 shown, the protection assembly 4 further includes a plurality of adjusting screws 45 and a plurality of adjusting nuts 46; the plurality of adjusting screws 45 are respectively arranged between the first end of the bottom plate 41 and the first side plate 42, between the second end of the bottom plate 41 and the second side plate 43, and between the third end of the bottom plate 41 and the third side plate 44; a plurality of adjusting nuts 46 are sleeved on each of the plurality of adjusting screws 45; the plurality of adjusting nuts 46 are respectively abutted against the first side plate 42, the second side plate 43 and the third side plate 44.

[0035] Exemplarily, an adjusting screw 45 is connected between the bottom plate 41 and the first side plate 42. The adjusting screw 45 is used to adjust the distance between the first side plate 42 and the bottom plate 41. The first side plate 42 can adjust its position according to the size of the precast capping beam 7, so as to achieve the purpose of preventing the precast capping beam 7 from slipping and increasing the versatility of the temporary support.

[0036] Exemplarily, an adjusting screw 45 is connected between the bottom plate 41 and the second side plate 43. The adjusting screw 45 is used to adjust the distance between the second side plate 43 and the bottom plate 41. The second side plate 43 can adjust its position according to the size of the precast capping beam 7, so as to achieve the purpose of preventing the precast capping beam 7 from slipping and increasing the versatility of the temporary support.

[0037] Exemplarily, an adjusting screw 45 is connected between the bottom plate 41 and the third side plate 44. The adjusting screw 45 is used to adjust the distance between the third side plate 44 and the bottom plate 41. The third side plate 44 can adjust its position according to the size of the precast capping beam 7, so as to achieve the purpose of preventing the precast capping beam 7 from slipping and increasing the versatility of the temporary support.

[0038] In the embodiment of the present application, as Figure 1 and Figure 2 shown, the temporary backing plate 5 is provided with positioning holes; the jacking members 3 are arranged in the positioning holes.

[0039] In the embodiment of the present application, a plurality of jacking members 3 are provided, and the plurality of jacking members 3 are all arranged in the positioning holes.

[0040] Exemplarily, a leveling sensor is further arranged on the temporary backing plate 5. Through the leveling sensor, the positions of the plurality of jacking members 3 jacked out can be detected, so as to prevent the situation that the precast capping beam 7 is inclined due to the inconsistent jacking heights of the plurality of jacking members 3.

[0041] The various embodiments in this specification are described in a progressive manner. For the same or similar parts among the various embodiments, reference can be made to each other, and the key points of each embodiment are the differences from other embodiments.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting the present application; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.

Claims

1. A temporary support for the installation of precast bridge capping beams, characterized in that, It includes a concrete foundation structure (1), a Bailey truss (2), a jacking member (3), and a protection component (4); The concrete foundation structure (1) is arranged on the ground; One end of the concrete foundation structure (1) is connected to the Bailey truss (2); The other end of the Bailey truss (2) is connected to the fixed end of the jacking member (3), and the movable end of the jacking member (3) is connected to the protection component (4); One side of the protection component (4) away from the jacking member (3) abuts against the precast capping beam (7).

2. The temporary support for installing a precast bridge capping beam according to claim 1, wherein, It further includes a temporary backing plate (5); The temporary backing plate (5) is also arranged between the Bailey truss (2) and the jacking member (3).

3. The temporary support for installing precast bridge bent caps according to claim 1, wherein The protection component (4) includes a bottom plate (41) and a first side plate (42); The movable end of the jacking member (3) is connected to the bottom plate (41), and one side of the bottom plate (41) away from the jacking member (3) abuts against the precast capping beam (7); The bottom plate (41) is perpendicularly arranged to the first side plate (42), and the first end of the bottom plate (41) is connected to the first side plate (42), and the first side plate (42) abuts against the precast capping beam (7).

4. A temporary support for installing a precast bridge capping beam according to claim 3, characterized in that, The protection component (4) further includes a second side plate (43) and a third side plate (44); Both the second side plate (43) and the third side plate (44) are perpendicularly arranged relative to the bottom plate (41); The second side plate (43) is connected to the second end of the bottom plate (41), and the third side plate (44) is connected to the third end of the bottom plate (41); Both the second side plate (43) and the third side plate (44) abut against the precast capping beam (7).

5. A temporary support for installing a precast bridge bent cap according to claim 4, characterized in that, The protection component (4) further includes a plurality of adjusting screws (45) and a plurality of adjusting nuts (46); The plurality of adjusting screws (45) are respectively arranged between the first end of the bottom plate (41) and the first side plate (42), the second end of the bottom plate (41) and the second side plate (43), and the third end of the bottom plate (41) and the third side plate (44); A plurality of the adjusting nuts (46) are sleeved on the plurality of adjusting screws (45); The plurality of adjusting nuts (46) respectively abut against the first side plate (42), the second side plate (43), and the third side plate (44).

6. The temporary support for installing a precast capping beam of a bridge according to claim 2, wherein The temporary backing plate (5) is provided with positioning holes; the jacking member (3) is arranged in the positioning holes.

7. The temporary support for installing precast bridge capping beams according to claim 6, characterized in that, The jacking member (3) is provided in plurality, and the plurality of jacking members (3) are all arranged in the positioning holes.

Images