Pier top supporting device capable of adjusting height difference and pier top supporting system

Abstract

The utility model discloses a height-difference-adjustable pier top supporting device and a pier top supporting system, and relates to the field of bridge supporting devices.The height-difference-adjustable pier top supporting device comprises a supporting assembly, the supporting assembly comprises a supporting beam body, the top of the supporting beam body is provided with a cover plate connecting end, and the bottom of the supporting beam body is provided with a distribution beam connecting end; the reinforcing assembly comprises a welding bottom plate located at the bottom of the supporting beam body, the welding bottom plate is longitudinally arranged on the side face of the bottom of the supporting beam body and extends in the direction away from the supporting beam body, and the bottom edge of the welding bottom plate and the bottom edge of the distribution beam connecting end are located on the same horizontal plane. The pier top supporting device can share the original steel pipe pile as a bearing mechanism, the pier top supporting device with the proper height is directly arranged on the pile top distribution beam of the steel pipe pile, the height difference between the bottom of the bailey beam at different length positions and the steel pipe pile is supplemented, the steel consumption can be effectively saved, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge support device field, concretely relates to a pier top support device and pier top support system that can adjust height difference. BACKGROUND

[0002] In the construction process of bridge bored pile or cast-in-situ beam, the bailey beam becomes the common tool in many fields such as building, bridge maintenance, equipment maintenance and the like with the advantages of quick erection, safe and reliable, cost saving, convenient transportation and storage and wide application, and in the bridge field, for the bailey beam crossing a long distance, the steel pipe pile support height demand of the bailey beam bottom at different length positions is inconsistent due to the bailey beam span being too long, under this condition, the measure usually taken is to insert and drive a row of steel pipe piles as section steel support beside the original steel pipe pile, but this construction method not only increases the input of manpower and material resources in the construction process, increases the construction cost, but also greatly reduces the construction efficiency. SUMMARY

[0003] The application provides a pier top support device and pier top support system that can adjust height difference, which can solve the technical problems that the bailey beam span is too long in the prior art, the steel pipe pile support height demand of the bailey beam bottom at different length positions is inconsistent, a row of steel pipe piles need to be inserted and driven as section steel support, the input of manpower and material resources in the construction process is increased, the construction cost is increased, and the construction efficiency is greatly reduced.

[0004] In a first aspect, the application embodiment provides a pier top support device that can adjust height difference, comprising:

[0005] A support assembly, the support assembly comprises a support beam body provided with a cover plate connecting end at the top and a distribution beam connecting end at the bottom;

[0006] A reinforcing assembly, the reinforcing assembly comprises a welded bottom plate located at the bottom of the support beam body, the welded bottom plate is longitudinally arranged on the bottom side of the support beam body and extends away from the support beam body, and the bottom edge of the welded bottom plate is located on the same horizontal plane as the bottom edge of the distribution beam connecting end.

[0007] In combination with the first aspect, in an implementation mode, the support beam body comprises a support part and a stiffening part located on the support part.

[0008] In an implementation mode, the support part comprises two parallel support webs and a connecting plate located between the two support webs, and the connecting plate is perpendicular to the two support webs.

[0009] In one embodiment, the stiffeners comprise stiffening plates located on both sides of the support webs, and both sides of each of the stiffening plates are connected to two of the support webs respectively.

[0010] In one embodiment, the number of the welding plates is at least two, and two of the welding plates are arranged on two of the stiffening plates respectively, and the welding plates are perpendicular to the stiffening plates.

[0011] In the second aspect, the embodiments of the present application provide a pier top supporting system, which comprises at least two of the above pier top supporting devices, and the distribution beam connecting end of the support beam body in the pier top supporting device is used to connect the original pile top distribution beam of the bridge.

[0012] In combination with the second aspect, in one embodiment, the plurality of pier top supporting devices are arranged at intervals, and at least one connecting rod is arranged between two adjacent pier top supporting devices.

[0013] In one embodiment, when the number of the connecting rods is plural, the plurality of connecting rods are arranged in parallel to each other.

[0014] In one embodiment, the connecting rods are arranged horizontally, and both ends of the connecting rods are connected to the support webs of the two support beam bodies of the two adjacent pier top supporting devices which are close to each other.

[0015] In one embodiment, the top of the plurality of pier top supporting devices is provided with a connecting cover plate, and the bottom surface of the connecting cover plate is connected to the cover plate connecting end of the support beam body in the plurality of pier top supporting devices.

[0016] The technical scheme provided by the embodiments of the present application has the following beneficial effects:

[0017] The pier top supporting device in the present application shares the original steel pipe pile as a bearing mechanism by arranging the support beam body, and does not need to additionally insert and drive a row of steel pipe piles at the position with height difference for support, but directly arranges the pier top supporting device with appropriate height on the pile top distribution beam of the original steel pipe pile to supplement the height difference between the bottom of the Bailey beam and the steel pipe pile at different lengths, which can effectively save the amount of steel material, save a large amount of time for inserting and driving a row of steel pipe piles, improve the construction efficiency, and increase the welding area of the support beam body and the pile top distribution beam by arranging the welding plate at the bottom of the support beam body, increase the bearing capacity of the support beam body, and improve the structural connection stability. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0019] Figure 1 A front view of a pier top support device with adjustable height difference provided by the embodiment of the present application;

[0020] Figure 2 A plan view of a pier top support device with adjustable height difference provided by the embodiment of the present application;

[0021] Figure 3 A structural schematic diagram of a pier top support system provided by the embodiment of the present application.

[0022] In the figure: 1, support beam body; 101, cover plate connecting end; 102, distribution beam connecting end; 2, welded bottom plate; 3, support web; 4, connecting steel plate; 5, stiffening steel plate; 6, horizontal connecting rod; 7, connecting cover plate; 8, pile top distribution beam. DETAILED DESCRIPTION

[0023] In order to make the person in the art better understand the present application scheme, the following will be combined with the drawings in the embodiment of the present application, the technical solutions in the embodiment of the present application are described clearly and completely, obviously, the described embodiment is only a part of the embodiment 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 are within the scope of protection of the present application.

[0024] In the first aspect, the embodiment of the present application provides a pier top support device with adjustable height difference, which can solve the technical problem that the existing technology has a too long span of the Bailey beam, resulting in inconsistent support height requirements of the steel pipe pile at the bottom of the Bailey beam at different length positions, and a row of steel pipe piles need to be inserted and driven as a steel support, increasing the investment of manpower and material resources in the construction process, increasing the construction cost, and greatly reducing the construction efficiency.

[0025] The pier top support device with adjustable height difference in the present application includes a support assembly and a reinforcing assembly. After assembly, the support assembly is arranged between the original steel pipe pile and the steel bridge deck plate, and the reinforcing assembly is arranged on the support assembly and welded to form an integral whole with the support assembly, mainly for reinforcing the support assembly and improving the overall load bearing capacity of the pier top support device with adjustable height difference in the present application.

[0026] Specifically, Figure 1This is a front view of an adjustable pier top support device provided in an embodiment of this application, such as... Figure 1 As shown, the support component in the support device of this application includes a support beam body 1 with a cover plate connection end 101 at the top and a distribution beam connection end 102 at the bottom. The support beam body 1 is made of steel. When assembled, the support beam body 1 is arranged longitudinally. The distribution beam connection end 102 on the support beam body 1 is used to connect to the pile top distribution beam 8 at the top of the original steel pipe pile. During assembly, there are no specific restrictions on the connection method between the distribution beam connection end 102 and the pile top distribution beam 8. The two can be welded together after assembly to improve the structural integrity and connection stability. Alternatively, they can be mechanically connected using connectors. According to actual needs, matching threaded holes and fixing bolts are provided on both the distribution beam connection end 102 and the pile top distribution beam 8 to facilitate installation and disassembly.

[0027] Furthermore, the reinforcing component in the support device provided in this application includes a welded base plate 2 located at the bottom of the support beam body 1. The welded base plate 2 is longitudinally disposed on the side of the support beam body 1 and extends in a direction away from the support beam body 1. The bottom edge of the welded base plate 2 is on the same horizontal plane as the bottom edge of the distribution beam connection end 102. The shape of the welded base plate 2 includes, but is not limited to, square, triangular, etc. However, regardless of the shape of the welded base plate 2, it has at least one right angle. One right-angled side of the welded base plate 2 is welded to the bottom side of the support beam body 1, and the other right-angled side, that is, the bottom edge of the welded base plate 2, is on the same horizontal plane as the bottom edge of the distribution beam connection end 102 and is perpendicular to the side of the support beam body 1. After assembly, the bottom edge of the welded base plate 2 is also connected to the upper surface of the pile top distribution beam 8.

[0028] When fabricating the support device in this application, the length of the support beam body 1 is first cut according to the height difference requirements between the Bailey beam at different length positions and the original steel pipe piles. Then, the welding base plate 2 is welded to the bottom side of the support beam body 1. The pier top support device in this application can be directly connected and fixed to the pile top distribution beam 8 during assembly by setting a distribution beam connection end 102 at the bottom of the support beam body 1. It shares the original steel pipe piles as the load-bearing mechanism, eliminating the need to drive an additional row of steel pipe piles for support at positions with height differences. The pier top support device of appropriate height can be directly set on the pile top distribution beam 8 of the original steel pipe piles, which can effectively save steel consumption and save a lot of time in driving rows of steel pipe piles, thus improving construction efficiency.

[0029] Furthermore, the support beam body 1 includes a support portion and a stiffening portion located on the support portion. Figure 2 A top view of an adjustable pier top support device provided in an embodiment of this application, as shown below. Figure 2As shown, the support part comprises two parallel support webs 3 and a connecting steel plate 4 between the two support webs 3, the connecting steel plate 4 is perpendicular to the two support webs 3, the two side edges of the connecting steel plate 4 are located at the middle positions of the two support webs 3 and are welded integrally with the support webs 3 to form an I-shaped steel, and the stiffening part comprises stiffening steel plates 5 located at the two side edges of the support web 3, the two side edges of the stiffening steel plate 5 are welded to the two support webs 3, the two stiffening steel plates 5 are parallel to and equidistant from the connecting steel plate 4, that is, the two stiffening steel plates 5 are located at the two end positions of the support web 3, the connecting steel plate 4 is located at the middle position of the support web 3, and the support part and the stiffening part jointly form the box-shaped support beam body 1.

[0030] Further, the number of the welding bottom plates 2 is at least two, the two welding bottom plates 2 are arranged on the two stiffening steel plates 5 respectively, and the welding bottom plate 2 is perpendicular to the stiffening steel plate 5, that is, at least one welding bottom plate 2 is welded on each stiffening steel plate 5, when the number of the welding bottom plate 2 on each stiffening steel plate 5 is one, the welding bottom plate 2 is located at the middle position of the stiffening steel plate 5, as an optional embodiment, a plurality of welding bottom plates 2 can also be arranged on each stiffening steel plate 5, and the plurality of welding bottom plates 2 are equidistantly arranged along the width direction of the stiffening steel plate 5.

[0031] In a second aspect, the application provides a pier top supporting system, Figure 3 A structural schematic diagram of a pier top supporting system provided by the embodiment of the application is shown in the figure, Figure 3 As shown, the pier top supporting system provided by the application comprises at least two pier top supporting devices, the distribution beam connecting end 102 of the support beam body 1 in the plurality of pier top supporting devices is used for connecting with the pile top distribution beam 8, in the actual assembly process, the heights of the support beam bodies 1 in the plurality of pier top supporting devices are equal or unequal.

[0032] The plurality of pier top supporting devices are arranged on the steel pipe piles below the bailey beam along the length direction of the bailey beam span, in order to distribute stress, the pile top distribution beam 8 is generally arranged on the same row of steel pipe piles, the distribution beam connecting end 102 of the support beam body 1 in the supporting device in the application directly connects the top of the pile top distribution beam 8, at the same time, since the height differences between the bailey beams at different length positions and the original steel pipe piles are inconsistent, the heights of the support beam bodies 1 in each pier top supporting device in the same pier top supporting system may also be different, and the specific height is determined according to the working conditions of the construction site.

[0033] Further, the plurality of pier top supporting devices are arranged at intervals and at least one horizontal connecting rod 6 is arranged between the adjacent two pier top supporting devices, the horizontal connecting rod 6 is mainly used for connecting the adjacent two pier top supporting devices to improve the structural integrity, when the horizontal connecting rod 6 is a plurality of horizontal connecting rods 6, the plurality of horizontal connecting rods 6 are arranged parallel to each other, and the plurality of horizontal connecting rods 6 are arranged along the height direction of the support beam body 1.

[0034] Further, the horizontal connecting rod 6 is horizontally arranged, and two ends of the horizontal connecting rod 6 are respectively connected to the support webs 3 of the two support beam bodies 1 of the two adjacent pier top supporting devices, and the horizontal connecting rod 6 and the support webs 3 can be detachably connected or fixedly connected to form an integral whole, which is not specifically limited in the present application.

[0035] Further, the multiple pier top supporting devices are provided with the connecting cover plates 7 at the top, the bottom surfaces of the connecting cover plates 7 are connected to the cover plate connecting ends 101 of the support beam bodies 1 of the multiple pier top supporting devices, and the connecting cover plates 7 and the cover plate connecting ends 101 of the multiple support beam bodies 1 are welded to form an integral whole, the top surfaces of the connecting cover plates 7 contact the bottom surfaces of the steel bridge deck plates after assembly, the connecting cover plates 7 can not only further ensure the integrity of the multiple pier top supporting devices, but also can play a role in distributing stress and improving the overall load bearing capacity of the structure.

[0036] The pier top supporting system in the present application is connected into an integral whole by the multiple pier top supporting devices arranged at intervals and the horizontal connecting rod 6 between the two adjacent pier top supporting devices, and the connecting cover plates 7 are arranged at the top of the multiple pier top supporting devices, which can ensure the stability and construction safety of the system and improve the load bearing capacity.

[0037] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms “upper”, “lower” and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the present application. Unless otherwise specified and limited, the terms “mounting”, “connection”, “connection” should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0038] It should be noted that, in the present application, the relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] The foregoing is merely illustrative of the principles of the application and various modifications can be made by those skilled in the art without departing from the spirit and scope of the application. The above embodiments are illustrative, and not restrictive, of the scope of the application.

Claims

1. A pier top support device with adjustable elevation difference, characterized in that, The application relates to a pier top supporting device with adjustable height difference. The supporting device comprises a supporting beam body (1) provided with a cover plate connecting end (101) at the top and a distribution beam connecting end (102) at the bottom; and a reinforcing assembly comprising a welding bottom plate (2) arranged at the bottom of the supporting beam body (1), wherein the welding bottom plate (2) is arranged longitudinally at the bottom side of the supporting beam body (1) and extends away from the supporting beam body (1), and the bottom edge of the welding bottom plate (2) is arranged on the same horizontal plane as the bottom edge of the distribution beam connecting end (102).

2. The pier top supporting device with adjustable height difference according to claim 1, wherein The supporting beam body (1) comprises a supporting part and a reinforcing part arranged on the supporting part. The supporting part comprises two parallel supporting webs (3) and a connecting steel plate (4) arranged between the two supporting webs (3), wherein the connecting steel plate (4) is perpendicular to the two supporting webs (3).

3. An adjustable differential height pier top support apparatus as in claim 2, wherein, The reinforcing part comprises reinforcing steel plates (5) arranged on the two side edges of the supporting webs (3), wherein the two side edges of each reinforcing steel plate (5) are connected to the two supporting webs (3) respectively.

4. An adjustable differential height pier top support apparatus as in claim 3, wherein, The number of the welding bottom plates (2) is at least two, and the two welding bottom plates (2) are arranged on the two reinforcing steel plates (5) respectively, and the welding bottom plates (2) are perpendicular to the reinforcing steel plates (5).

5. An adjustable differential height pier top support apparatus as in claim 4, wherein, The application further relates to a bridge structure comprising at least two pier top supporting devices according to any one of claims 1-5, wherein the distribution beam connecting ends (102) of the supporting beam bodies (1) of the pier top supporting devices are connected to the original pile top distribution beams (8) of the bridge.

6. A pier top support system characterized by, The plurality of pier top supporting devices are arranged at intervals, and at least one horizontal connecting rod (6) is arranged between the two adjacent pier top supporting devices.

7. A pier top support system as claimed in claim 6 wherein, When the horizontal connecting rods (6) are multiple, the multiple horizontal connecting rods (6) are arranged in parallel.

8. A pier top support system as claimed in claim 7, wherein The horizontal connecting rods (6) are horizontally arranged, and the two ends of the horizontal connecting rods (6) are connected to the two supporting webs (3) of the two supporting beam bodies (1) of the two adjacent pier top supporting devices respectively.

9. A pier top support system as claimed in claim 8 wherein, The plurality of pier top supporting devices are provided with connecting cover plates (7), and the bottom surfaces of the connecting cover plates (7) are connected to the cover plate connecting ends (101) of the supporting beam bodies (1) of the plurality of pier top supporting devices.

10. A pier top support system as claimed in claim 9, wherein ​

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