Steel pier and support adjusting device

Abstract

The invention discloses a steel pier and a supporting and adjusting device. The steel pier comprises a supporting assembly and a supporting and adjusting assembly, the first end plate is connected to one end of the supporting assembly, and the first end plate is provided with a first connecting part; the second end plate is connected to the other end of the supporting assembly, and the second end plate is provided with a second connecting part; wherein the first connecting part can be detachably connected with the second connecting part of another steel pier, and the second connecting part can be detachably connected with the first connecting part of another steel pier. According to the steel pier, through the arrangement of the first connecting parts and the second connecting parts, flexible splicing of the multiple steel piers is achieved, supporting structures of different heights can be formed through combination according to requirements, it is not needed to independently customize the whole steel pier for each height, and the equipment universality is improved; the detachable connection design of the first connecting part and the second connecting part enables the steel pier to be reused, steel consumption and manufacturing cost are reduced, and construction cost is reduced.

Description

Technical Field

[0001] This invention relates to the field of bridge construction technology, and in particular to a steel pier and support adjustment device. Background Technology

[0002] In the field of large bridge steel structure segment assembly construction, adjustable steel piers are the core support devices to ensure construction quality and safety. Their core function is to provide a stable support foundation for the bridge segments during the assembly process. At the same time, by adjusting the height, they can adapt to the assembly clearance requirements under different working conditions, ensuring that the segments can be accurately aligned, creating qualified operating conditions for subsequent welding, inspection and other processes. They are key transitional components connecting the construction site and bridge components.

[0003] Existing adjustable steel piers mostly adopt an integral structural design approach, that is, according to the specific support height requirements in the construction scenario, the main body of the steel pier with the corresponding height specifications is customized separately, so as to ensure the structural stability and load-bearing capacity of the steel pier itself.

[0004] The existing technical problem with adjustable steel blocks is that the integral structural design makes it impossible for the steel blocks to flexibly adapt to the support requirements of different heights. Each height requires the separate manufacture of steel blocks, which not only increases the amount of steel used and the manufacturing cost, but also reduces the versatility of the equipment. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a steel block and support adjustment device to solve the technical problem that the existing adjustable steel blocks cannot flexibly adapt to the support requirements of different heights, and steel blocks need to be manufactured separately for each height, which not only increases the amount of steel used and the manufacturing cost, but also reduces the versatility of the equipment.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: The present invention provides a steel pier, comprising: a support assembly; a first end plate connected to one end of the support assembly, wherein the first end plate is provided with a first connecting portion; and a second end plate connected to the other end of the support assembly, wherein the second end plate is provided with a second connecting portion; wherein the first connecting portion is detachably connected to the second connecting portion of another steel pier, and the second connecting portion is detachably connected to the first connecting portion of another steel pier.

[0007] In some embodiments, the projection of the first connecting portion toward the second end plate along the axial direction of the support assembly coincides with the second connecting portion.

[0008] In some embodiments, the first connecting portion includes a plurality of first hole groups, which are arranged around the center of the first end plate; wherein, the first hole group includes one or more first through holes; and the second connecting portion is arranged correspondingly to the first connecting portion.

[0009] In some embodiments, the support assembly includes a plurality of support tubes, one end of which is connected to the first end plate around the center of the first end plate, and the other end of which is connected to the second end plate around the center of the second end plate.

[0010] In some embodiments, the plurality of support tubes are perpendicular to the first end plate and the second end plate.

[0011] In some embodiments, the support assembly further includes a first reinforcing rib, which connects the first end plate and the plurality of support tubes; And / or, the support assembly further includes a second reinforcing rib, the second reinforcing rib connecting the second end plate and the plurality of support tubes.

[0012] In some embodiments, the steel block further includes a plurality of stops, each stop being provided with a third connecting portion, which is detachably connected to the first connecting portion.

[0013] In some embodiments, the third connection portion includes one or more third through holes.

[0014] The present invention also provides a support adjustment device, including the steel blocks described above, wherein two steel blocks are provided, and the second connecting part of the first steel block is detachably connected to the first connecting part of the second steel block.

[0015] In some embodiments, the support adjustment device further includes a jack, and a first connecting portion of the first steel pier is detachably connected to a plurality of blocks, the plurality of blocks surrounding each other to form an installation cavity, and the jack is disposed in the installation cavity.

[0016] The steel pier of the present invention, through the setting of the first connecting part and the second connecting part, realizes the flexible splicing between multiple steel piers, which can be combined to form support structures of different heights according to needs, without the need to customize the whole steel pier for each height, thus improving the versatility of the equipment. Furthermore, the detachable connection design of the first connecting part and the second connecting part allows the steel pier to be reused, reducing steel consumption and manufacturing costs, and lowering construction costs.

[0017] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are described in detail below. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the steel pier according to an embodiment of the present invention; Figure 2 for Figure 1 AA-direction cross-section diagram; Figure 3 for Figure 1 BB direction cross section view; Figure 4 This is a schematic diagram of a 500mm steel pier according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the 800mm specification structure of the steel pier according to an embodiment of the present invention; Figure 6 This is a schematic diagram of a 1000mm specification steel pier according to an embodiment of the present invention; Figure 7 This is a schematic diagram of a 1500mm steel pier according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the 2500mm specification steel pier structure according to an embodiment of the present invention; Figure 9 This is a front view structural diagram of the steel pier assembly block according to an embodiment of the present invention; Figure 10 This is a top view of the steel pier assembly block according to an embodiment of the present invention; Figure 11 This is a schematic diagram of the structure of the support adjustment device according to an embodiment of the present invention; Figure 12 This is a schematic diagram of the structure of the support adjustment device with jacks according to an embodiment of the present invention.

[0019] A schematic diagram of the supporting adjustment device.

[0020] Explanation of reference numerals in the attached figures: 1. Support assembly; 11. Support pipe; 12. First reinforcing rib; 13. Second reinforcing rib; 2. First end plate; 21. First connecting part; 3. Second end plate; 31. Second connecting part; 4. Stop block; 41. Third connecting part; 5. Jack; 6. First steel block; 7. Second steel block. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," 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.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] Please see Figures 1-3 This invention provides a steel pier, comprising: a support assembly 1; a first end plate 2 connected to one end of the support assembly 1, and the first end plate 2 having a first connecting portion 21; and a second end plate 3 connected to the other end of the support assembly 1, and the second end plate 3 having a second connecting portion 31; wherein the first connecting portion 21 is detachably connected to the second connecting portion 31 of another steel pier, and the second connecting portion 31 is detachably connected to the first connecting portion 21 of another steel pier.

[0029] Specifically, the steel pier in this embodiment can be used for support and height adjustment during the assembly of large structures (such as bridge segments). The support component 1 is the main load-bearing structure of the steel pier, and can be formed by multiple metal pipes, structural steel sections, or combinations thereof. Its two ends are connected to the first end plate 2 and the second end plate 3 respectively (e.g., by welding or bolting) to transfer and distribute the upper load to the foundation. Optionally, the first end plate 2 is a flat plate structure, such as a steel plate, fixedly connected to one end of the support component 1, with a first connecting part 21 on its side facing away from the support component 1; the second end plate 3 is also a flat plate structure, such as a steel plate, fixedly connected to the other end of the support component 1, with a second connecting part 31 on its side facing away from the support component 1.

[0030] It should be noted that the first connecting part 21 and the second connecting part 31 in this embodiment are structures for detachable connection between steel piers. When two steel piers need to be spliced ​​together, the second connecting part 31 of the first steel pier and the first connecting part 21 of the second steel pier are detachably connected by fasteners (such as bolts, pins) or snap-fits. This embodiment achieves flexible splicing of multiple steel piers by detachably connecting the first connecting part 21 to the second connecting part 31 of another steel pier. Support structures of different heights can be formed according to requirements without the need to customize integral steel piers for each height, thus improving the versatility of the equipment. Furthermore, the detachable connection design allows the steel piers to be reused, reducing steel consumption and manufacturing costs, and lowering construction costs.

[0031] In some embodiments, the steel piers can be provided with multiple specifications of different heights to expand the height adjustment range. The steel piers of different height specifications have the same structure for the first end plate 2 and the second end plate 3, and the same cross-sectional structure for the support assembly 1; only the axial height of the support assembly 1 differs. For example, as... Figures 4-8 As shown, steel piers can be available in heights of 500mm, 800mm, 1000mm, 1500mm, and 2500mm to accommodate different foundation height requirements. For stability purposes, two steel piers of the same or different specifications can be spliced ​​together in each set of support adjustment devices.

[0032] In some embodiments, the projection of the first connecting portion 21 toward the second end plate 3 along the axial direction of the support assembly 1 coincides with the second connecting portion 31.

[0033] It should be explained that the axial direction of the support component 1 is the core force direction when the steel pier bears a load. The first connecting part 21 is located in a designated area of ​​the first end plate 2, and the second connecting part 31 is located in the corresponding area of ​​the second end plate 3. When the first connecting part 21 is projected onto the second end plate 3 along the axial direction of the support component 1, the overall outline and key connection points of the first connecting part 21 completely overlap with the second connecting part 31. For example, if the first connecting part 21 is a connection structure distributed on the first end plate 2, then the setting position and distribution pattern of the second connecting part 31 on the second end plate 3 are completely consistent with the shape of the first connecting part 21 after axial projection, ensuring that when the two steel piers are spliced, the second connecting part 31 of the first steel pier can be precisely aligned with the first connecting part 21 of the second steel pier. Thus, the steel piers can be quickly and accurately aligned during splicing without repeated adjustments, improving construction efficiency and effectively ensuring uniform stress between the steel piers after splicing, avoiding local stress concentration due to misalignment, and enhancing the stability and load-bearing reliability of the spliced ​​structure.

[0034] In some embodiments, the first connecting portion 21 includes a plurality of first hole groups, which are arranged around the center of the first end plate 2; wherein, each first hole group includes one or more first through holes; the second connecting portion 31 is correspondingly arranged with the first connecting portion 21. Preferably, the plurality of first hole groups are evenly distributed around the center of the first end plate 2. For example, the first end plate 2 is a rectangular plate, and four first hole groups are provided, which are distributed on four sides and evenly distributed around the center of the first end plate 2. Preferably, each first hole group includes six first through holes. Specifically, each first hole group includes two rows of 3×3 first through holes, and the arrangement direction of each row of first through holes is parallel to its corresponding side of the first end plate 2.

[0035] Understandably, each first hole group includes one or more first through holes, which are hole-like structures penetrating the first end plate 2 for inserting fasteners, such as bolts or pins, to achieve connection. The second connecting part 31 of the second end plate 3 is correspondingly provided to the first connecting part 21, that is, the second connecting part 31 also includes multiple second hole groups, each second hole group is distributed around the center of the second end plate 3, and the number and relative position of the second hole groups match the first hole groups one by one; the number and specifications (such as hole diameter) of the second through holes included in each second hole group also correspond to and match the first through holes of the first hole group, ensuring that when the two steel blocks are spliced, the through holes of the second connecting part 31 of the first steel block can be precisely aligned with the through holes of the first connecting part 21 of the second steel block, and a stable connection is achieved through fasteners.

[0036] Preferably, the first through hole and the corresponding second through hole are connected by bolts. Optionally, internal threads can be provided in the first and second through holes for direct bolt connection. Alternatively, internal threads can be omitted in the first and second through holes; instead, a nut can be connected after the bolt passes through the first and second through holes, and the first and second through holes can be securely connected by tightening the bolt and nut.

[0037] In some embodiments, the support assembly 1 includes a plurality of support tubes 11, one end of which is connected to the first end plate 2 around the center of the first end plate 2, and the other end of which is connected to the second end plate 3 around the center of the second end plate 3.

[0038] Understandably, the support tubes 11 are tubular structures with a certain rigidity. One end of each of the multiple support tubes 11 is fixedly connected to the first end plate 2, and the connection points are distributed around the center of the first end plate 2 along its plane. The other end of each support tube 11 is fixedly connected to the second end plate 3, and the connection points are also distributed around the center of the second end plate 3, forming a three-dimensional support structure with both ends connected to the first end plate 2 and the second end plate 3 respectively. The load is evenly transferred to each support tube 11 through the first end plate 2, significantly improving the overall load-bearing capacity and deformation resistance of the support assembly 1, thus meeting the heavy-load requirements of large structures.

[0039] It should be explained that, in this embodiment, considering the good axial compressive and torsional resistance of the circular tube, the support tube 11 is selected as the support structure. However, if a single support tube 11 is used, a support tube 11 with a larger diameter would be required. Given the limitations of existing processing and transportation equipment, this requirement is difficult to meet. Therefore, in this embodiment, multiple support tubes 11 are used as the support structure. Furthermore, based on the design principle of "three points forming a plane, four points symmetry," the four-point symmetrical structure is more stable. Therefore, in this embodiment, four support tubes 11 are preferably used as the support structure, with the first end plate 2 and the second end plate 3 coaxial, and the four support tubes 11 symmetrically arranged around the central axis of the first end plate 2 and the second end plate 3. Preferably, the support tube 11 is a steel pipe.

[0040] In some embodiments, multiple support pipes 11 are perpendicular to the first end plate 2 and the second end plate 3. The perpendicularity of the support pipes 11 to the first end plate 2 and the second end plate 3 means that the axial direction of the support pipe 11 is aligned with the normal direction of the end plate plane; that is, the length direction of the support pipe 11 forms a 90-degree angle with the surface of the end plate. This allows the load to be directly transmitted along the axial direction of the support pipe 11, avoiding bending of the support pipe 11 or localized stress concentration on the end plate due to lateral force caused by angular deviation, significantly improving the deformation resistance and load-bearing efficiency of the support assembly 1.

[0041] In some embodiments, the support assembly 1 further includes a first reinforcing rib 12, which connects the first end plate 2 and the plurality of support tubes 11; and / or, the support assembly 1 further includes a second reinforcing rib 13, which connects the second end plate 3 and the plurality of support tubes 11. The support assembly 1 may have only the first reinforcing rib 12, only the second reinforcing rib 13, or both the first reinforcing rib 12 and the second reinforcing rib 13. Preferably, in this embodiment, both the first reinforcing rib 12 and the second reinforcing rib 13 are provided.

[0042] Optionally, the central axes of the first end plate 2 and the second end plate 3 coincide to ensure that the overall force of the steel pier is transmitted along the same axis. The support assembly 1 includes four support pipes 11, which are symmetrically distributed around the common central axis of the first end plate 2 and the second end plate 3. The support assembly 1 has two first reinforcing ribs 12, which are arranged crosswise on the side of the first end plate 2 facing the second end plate 3. Each first reinforcing rib 12 connects the first end plate 2 and two support pipes 11. For example, when the first end plate 2 is a rectangular plate, the two first reinforcing ribs 12 are arranged along the two diagonals of the rectangular end plate: the first reinforcing rib 12 corresponding to one diagonal passes through and connects the two support pipes 11 located on that diagonal, and the first reinforcing rib 12 corresponding to the other diagonal passes through and connects the two support pipes 11 located on the extension of the other diagonal. Both first reinforcing ribs 12 are fixedly connected to the surface of the first end plate 2 facing the second end plate 3.

[0043] like Figure 9 and Figure 10 As shown, in some embodiments, the steel block also includes multiple stops 4, each stop 4 having a third connecting part 41, which can be detachably connected to the first connecting part 21.

[0044] It is understandable that the structure of the third connecting part 41 is adapted to the first connecting part 21 of the first end plate 2. For example, the third connecting part 41 matches the first hole group of the first connecting part 21 and can be fixedly connected to the first hole group of the first connecting part 21 in a detachable manner. Among them, the stop block 4 refers to the auxiliary component used to limit, position or laterally support the supported component. Its core function is to constrain the lateral displacement of the supported component to ensure assembly accuracy.

[0045] In some embodiments, the third connecting portion 41 includes one or more third through holes. Specifically, the third through holes of the third connecting portion 41 are correspondingly provided with the first through holes of the first hole group in the first connecting portion 21, that is, the position and specifications of the third through holes match the first through holes in the first hole group one by one, ensuring that when the stop block 4 is connected to the first end plate 2, the third through holes can be precisely aligned with the first through holes of the first hole group, and the fasteners can be sequentially inserted through the third through holes and the first through holes to achieve detachable fixing of the stop block 4 and the first end plate 2. Multiple stop blocks 4 can cooperate with the first hole group at different positions on the first end plate 2 through their third through holes.

[0046] It should be explained that the first connecting part 21 has a dual connection and adaptation function: on the one hand, its first hole group can precisely align with the second hole group of the second connecting part 31 of another steel pier, achieving detachable splicing between the two steel piers by inserting fasteners, thus meeting the combination requirements for height adjustment; on the other hand, the first hole group of the first connecting part 21 can also correspondingly cooperate with the third connecting part 41 of the stop block 4, similarly achieving detachable connection between the stop block 4 and the first end plate 2 by inserting fasteners through the third through hole and the first through hole, thus meeting the limiting and positioning requirements of the supported component. Therefore, the first connecting part 21 in this embodiment simultaneously bears the dual functions of steel pier splicing and stop block 4 installation, without the need for an additional independent connection structure on the first end plate 2, which simplifies the overall structural design of the steel pier and further enhances the functional versatility and construction adaptability of the steel pier through structural reuse.

[0047] It should be noted that whether the first connecting part 21 of the current steel pier is connected to the second connecting part 31 or the third connecting part 41 depends on whether the current steel pier is the steel pier closest to the supported component. If so, the first connecting part 21 of the current steel pier should be connected to the third connecting part 41, that is, connected to the stop block 4, connecting multiple stop blocks 4; if not, the first connecting part 21 of the current steel pier should be connected to the second connecting part 31, that is, spliced ​​with another steel pier.

[0048] like Figure 11 and Figure 12 As shown, the present invention also provides a support adjustment device, including the above-mentioned steel blocks, two steel blocks are provided, and the second connecting part 31 of the first steel block is detachably connected to the first connecting part 21 of the second steel block.

[0049] Understandably, the first steel pier will be referred to as the first steel pier 6, and the second steel pier as the second steel pier 7. The first steel pier 6 is positioned above the second steel pier 7. The second end plate 3 of the first steel pier 6 has a second connecting part 31, and the first end plate 2 of the second steel pier 7 has a first connecting part 21. The second connecting part 31 of the first steel pier 6 and the first connecting part 21 of the second steel pier 7 are detachably connected, allowing the two steel piers to be spliced ​​axially. This detachable splicing of the two steel piers allows for rapid adjustment of the support height, eliminating the need to customize integral steel piers for specific heights and significantly improving construction adaptability.

[0050] In some embodiments, the support adjustment device further includes a jack 5, and a plurality of stops 4 are detachably connected to the first connecting part 21 of the first steel block, and the plurality of stops 4 surround each other to form an installation cavity, and the jack 5 is disposed in the installation cavity.

[0051] It is understood that the first end plate 2 of the first steel pier 6 is detachably connected to multiple stops 4 via the first connecting part 21. The multiple stops 4 cooperate with each other to form a closed or semi-closed space, i.e., an installation cavity. The jack 5 is set in the installation cavity, and its bottom can be supported on the first end plate 2 of the first steel pier 6. Its top can contact the supported component (such as a bridge segment). The height of the supported component can be finely adjusted by the extension and retraction of the jack 5. In this embodiment, the overall height formed by splicing the two steel piers is the "coarse adjustment height", and the extension and retraction of the jack 5 realizes the "fine adjustment". The combination of the two covers the full range of adjustment needs from the foundation height to fine adjustment.

[0052] The above examples are merely illustrative of the technical content of the present invention to facilitate easier understanding by the reader, but do not imply that the implementation of the present invention is limited to these examples. Any technical extensions or re-creations made based on the present invention are protected by the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A steel pier characterized in that, The steel pier comprises: a support assembly; a first end plate connected to one end of the support assembly, and provided with a first connecting part; a second end plate connected to the other end of the support assembly, and provided with a second connecting part; wherein the first connecting part is detachably connected with the second connecting part of another steel pier, and the second connecting part is detachably connected with the first connecting part of another steel pier.

2. The steel pier of claim 1, wherein The projection of the first connecting part along the axial direction of the support assembly towards the second end plate coincides with the second connecting part.

3. The steel pier of claim 1, wherein The first connecting part comprises a plurality of first hole groups, and the first hole groups are arranged around the center of the first end plate; wherein the first hole group comprises one or more first through holes; the second connecting part is arranged correspondingly to the first connecting part.

4. The steel pier of claim 1, wherein The support assembly comprises a plurality of support pipes, one end of the plurality of support pipes is connected to the first end plate around the center of the first end plate, and the other end of the plurality of support pipes is connected to the second end plate around the center of the second end plate.

5. The steel pier of claim 4, wherein The plurality of support pipes are perpendicular to the first end plate and the second end plate.

6. The steel pier of claim 4, wherein The support assembly further comprises a first reinforcing rib connecting the first end plate and the plurality of support pipes; and / or, the support assembly further comprises a second reinforcing rib connecting the second end plate and the plurality of support pipes.

7. The steel pier of claim 1, wherein The steel pier further comprises a plurality of stop blocks, and the stop blocks are provided with a third connecting part which is detachably connected with the first connecting part.

8. The steel pier of claim 7, wherein The third connecting part comprises one or more third through holes.

9. A support adjustment device, characterized by The steel pier comprises:

10. The support adjustment device of claim 9, wherein, a support assembly; a first end plate connected to one end of the support assembly, and provided with a first connecting part; a second end plate connected to the other end of the support assembly, and provided with a second connecting part; wherein the first connecting part is detachably connected with the second connecting part of another steel pier, and the second connecting part is detachably connected with the first connecting part of another steel pier. The projection of the first connecting part along the axial direction of the support assembly towards the second end plate coincides with the second connecting part. The first connecting part comprises a plurality of first hole groups, and the first hole groups are arranged around the center of the first end plate; wherein the first hole group comprises one or more first through holes; the second connecting part is arranged correspondingly to the first connecting part. The support assembly comprises a plurality of support pipes, one end of the plurality of support pipes is connected to the first end plate around the center of the first end plate, and the other end of the plurality of support pipes is connected to the second end plate around the center of the second end plate. The plurality of support pipes are perpendicular to the first end plate and the second end plate. The support assembly further comprises a first reinforcing rib connecting the first end plate and the plurality of support pipes; and / or, the support assembly further comprises a second reinforcing rib connecting the second end plate and the plurality of support pipes. The steel pier further comprises a plurality of stop blocks, and the stop blocks are provided with a third connecting part which is detachably connected with the first connecting part. The third connecting part comprises one or more third through holes. The steel pier comprises: a support assembly; a first end plate connected to one end of the support assembly, and provided with a first connecting part; a second end plate connected to the other end of the support assembly, and provided with a second connecting part; wherein the first connecting part is detachably connected with the second connecting part of another steel pier, and the second connecting part is detachably connected with the first connecting part of another steel pier. The projection of the first connecting part along the axial direction of the support assembly towards the second end plate coincides with the second connecting part. The first connecting part comprises a plurality of first hole groups, and the first hole groups are arranged around the center of the first end plate; wherein the first hole group comprises one or more first through holes; the second connecting part is arranged correspondingly to the first connecting part. The support assembly comprises a plurality of support pipes, one end of the plurality of support pipes is connected to the first end plate around the center of the first end plate, and the other end of the plurality of support pipes is connected to the second end plate around the center of the second end plate. The plurality of support pipes are perpendicular to the first end plate and the second end plate. The support assembly further comprises a first reinforcing rib connecting the first end plate and the plurality of support pipes; and / or, the support assembly further comprises a second reinforcing rib connecting the second end plate and the plurality of support pipes. The steel pier further comprises a plurality of stop blocks, and the stop blocks are provided with a third connecting part which is detachably connected with the first connecting part. The third connecting part comprises one or more third through holes. The steel pier comprises: a support assembly; a first end plate connected to one end of the support assembly, and provided with a first connecting part; a second end plate connected to the other end of the support assembly, and provided with a second connecting part; wherein the first connecting part is detachably connected with the second connecting part of another steel pier, and the second connecting part is detachably connected with the first connecting part of another steel pier. The projection of the first connecting part along the axial direction of the support assembly towards the second end plate coincides with the second connecting part. The first connecting part comprises a plurality of first hole groups, and the first hole groups are arranged around the center of the first end plate; wherein the first hole group comprises one or more first through holes; the second connecting part is arranged correspondingly to the first connecting part. The support assembly comprises a plurality of support pipes, one end of the plurality of support pipes is connected to the first end plate around the center of the first end plate, and the other end of the plurality of support pipes is connected to the second end plate around the center of the second end plate. The plurality of support pipes are perpendicular to the first end plate and the second end plate. The support assembly further comprises a first reinforcing rib connecting the first end plate and the plurality of support pipes; and / or, the support assembly further comprises a second reinforcing rib connecting the second end plate and the plurality of support pipes. The steel pier further comprises a plurality of stop blocks, and the stop blocks are provided with a third connecting part which is detachably connected with the first connecting part. The third connecting part comprises one or more third through holes. The steel pier comprises: a support assembly; a first end plate connected to one end of the support assembly, and provided with a first connecting part; a second end plate connected to the other end of the support assembly, and provided with a second connecting part; wherein the first connecting part is detachably connected with the second connecting part of another steel pier, and the second connecting part is detachably connected with the first connecting part of another steel pier. The projection of the first connecting part along the axial direction of the support assembly towards the second end plate coincides with the second connecting part. The first connecting part comprises a plurality of first hole groups, and the first hole groups are arranged around the center of the first end plate; wherein the first hole group comprises one or more first through holes; the second connecting part is arranged correspondingly to the first connecting part. The support assembly comprises a plurality of support pipes, one end of the plurality of support pipes is connected to the first end plate around the center of the first end plate, and the other end of the plurality of support pipes is connected to the second end plate around the center of the second end plate. The plurality of support pipes are perpendicular to the first end plate and the second end plate. The support assembly further comprises a first reinforcing rib connecting the first end plate and the plurality of support pipes; and / or, the support assembly further comprises a second reinforcing rib connecting the second end plate and the plurality of support pipes. The steel pier further comprises a plurality of stop blocks, and the stop blocks are provided with a third connecting part which is detachably connected with the first connecting part. The third connecting part comprises one or more third through holes.

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