Civil engineering building pillar

Abstract

The utility model relates to the technical field of building supporting columns, in particular to a civil engineering building supporting column which comprises a supporting plate A, a supporting plate B, a plurality of supporting plates C and a plurality of supporting plates D. The civil engineering building supporting column further comprises a connecting plate A, a connecting plate B is symmetrically arranged on one side of the connecting plate A, and a plurality of connecting blocks A are fixed to the outer side of the connecting plate A and the outer side of the connecting plate B respectively. D connecting plates are symmetrically arranged on one sides of the C connecting plates, and a plurality of B connecting blocks are fixed to the outer sides of the C connecting plates and the outer sides of the D connecting plates; a plurality of positioning strips; and a plurality of connecting units. By arranging the connecting plate A, the connecting plate B, the connecting plate C, the connecting plate D, the supporting plate A, the supporting plate B, the supporting plate C, the supporting plate D and the positioning strip, the supporting device can be rapidly formed in a splicing and stacking mode, the double-layer structure enables the mechanism on the outer side to be used for guiding connection, rapid installation is achieved, and placing and carrying can be more convenient.

Description

Technical Field

[0001] This utility model relates to the field of building support technology, and in particular to a civil engineering building support. Background Technology

[0002] Building columns are crucial elements in building structures, primarily functioning to support and transfer loads, ensuring the stability and safety of the building. Columns vertically transfer loads, conveying the weight of the superstructure, wind loads, seismic forces, and other loads to the foundation, thereby guaranteeing the building's stability and safety. Columns are made from various materials, including concrete, steel, and wood, with different materials suitable for different building scenarios.

[0003] In the prior art, according to Chinese patent application number CN202420023356.6, a civil engineering building support column is disclosed, which includes a concrete support column. Two support plates are symmetrically arranged on the periphery of the concrete support column. A stabilizing device is arranged near the top of the support plate, and a supporting device is arranged near the bottom of the support plate. The supporting device includes two arc-shaped frames. A rotating component is arranged on the opposite side of each arc-shaped frame. A support column is arranged on the inner side of each rotating component. An adjusting component is arranged at the bottom of each support column, and a fixing plate is arranged at the bottom of each adjusting component. This utility model, through its design, can effectively support the support plate through the support column, making the support more convenient and the molding of the concrete support column more stable.

[0004] However, in the prior art, according to Chinese patent application number CN202420023356.6, a civil engineering building support column is disclosed, which directly uses two support plates to support the concrete column. When the concrete column is tall, the two support plates need to be aligned during installation, and then the corresponding devices need to be installed for stability. If the placement is misaligned, it will affect the installation efficiency, and the large support plates are not convenient to place and transport. Therefore, we propose a civil engineering building support column to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to solve the problems existing in the prior art. For example, according to Chinese patent application number CN202420023356.6, a civil engineering building support column is disclosed, which directly uses two support plates to support the concrete column. When the concrete column is tall, the two support plates need to be aligned during installation, and then the corresponding device is installed for stability. If the placement is misaligned, it will affect the installation efficiency. In addition, the large support plates are not convenient to place and transport. Therefore, this utility model proposes a civil engineering building support column.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a civil engineering building support column, including a positioning ring, an A support plate, a B support plate, several C support plates, and several D support plates. The A and B support plates, as well as the C and D support plates, are symmetrically arranged, with the C and D support plates located above the A and B support plates and below the positioning ring. The column also includes:

[0008] A connecting plate, with a B connecting plate symmetrically arranged on one side of the A connecting plate, an A support plate located inside the A connecting plate, a B support plate located inside the B connecting plate, and several A connecting blocks fixed on the outer sides of both the A connecting plate and the B connecting plate;

[0009] Several C-connecting plates are provided, and D-connecting plates are symmetrically arranged on one side of each C-connecting plate. A C-supporting plate is located inside the C-connecting plate, and a D-supporting plate is located inside the D-connecting plate. Several B-connecting blocks are fixed on the outer sides of both the C-connecting plate and the D-connecting plate.

[0010] A connecting ring is located on the upper side of connecting plate C and connecting plate D. An installation ring is installed on the upper side of the connecting ring, and a positioning ring is installed on the lower side of the installation ring.

[0011] A plurality of positioning strips are provided, and positioning grooves are provided on the outer sides of the connecting plates A, B, C, and D. The positioning strips can be fixedly connected to the connecting plates A, B, C, or D respectively, and the positioning strips can slide inside the positioning grooves.

[0012] Several connecting units are located between connecting block A and support plate A and support plate B, and between connecting block B and support plate C and support plate D.

[0013] Preferably, the upper sides of the A connecting plate, B connecting plate, C connecting plate and D connecting plate are each provided with an A auxiliary groove and two B auxiliary grooves. Four A auxiliary blocks are fixed on the lower side of the connecting ring. The lower sides of the C connecting plate and D connecting plate are provided with B auxiliary blocks and two C auxiliary blocks. The A auxiliary blocks can slide inside the A auxiliary groove and B auxiliary groove. The B auxiliary blocks can slide inside the B auxiliary groove. The C auxiliary blocks can slide inside the A auxiliary groove.

[0014] By adopting the above technical solution, it is easier to install the C and D connecting plates on the upper part of the A and B connecting plates, and to connect multiple C and D connecting plates together, thereby improving installation efficiency.

[0015] Preferably, the two B auxiliary slots can form one A auxiliary slot.

[0016] Preferably, A sealing strips are fixed to the upper outer sides of both support plates A and B. Support plates C and D can slide inside the A sealing strips. B sealing strips are fixed to the upper outer sides of both support plates C and D. Support plates C, D, and the positioning ring can slide inside the B sealing strips. C sealing strips are fixed to both outer ends of support plate A. The C sealing strips are located between two C sealing strips. Support plates C and D can slide inside the C sealing strips. D sealing strips are fixed to both outer ends of support plate C. The D sealing strips are located between two B sealing strips, and B slots are provided on the lower side of each D sealing strip. Both A and B sealing strips can slide inside the B slots. The positioning ring, support plates C and D can slide inside the D sealing strip.

[0017] By adopting the above technical solution, sealing strips A, B, C, and D can improve the sealing performance of the connection between support plates A, B, C, and D.

[0018] Preferably, both ends of the outer side of the B support plate are fixed with positioning blocks A and B, with positioning block A located above positioning block B. Positioning block C is fixed above positioning block A and can be fixedly connected to the outer side of sealing strip A. Positioning blocks A, B, and C are provided with a limiting groove A on one side, and sealing strip C can slide inside the limiting groove A. Both ends of the outer side of the D support plate are fixed with positioning blocks D and E, with positioning block D located above positioning block E. Positioning blocks F are fixed above positioning block D and below positioning block E. Positioning block F on the upper side of positioning block D can be fixedly connected to the outer side of sealing strip A and sealing strip B. Positioning blocks D, E, and F are provided with a limiting groove B on one side, and sealing strip D can slide inside the limiting groove B.

[0019] By adopting the above technical solution, positioning blocks A, B, and C limit the position of sealing strip C, and positioning blocks D, E, and F limit the position of sealing strip D, thereby improving the stability of sealing strips C and D.

[0020] Preferably, the connecting unit includes a positioning plate, a limiting plate that slides on the outer side of the positioning plate, an opening on the inner side of the limiting plate, and a connecting block A or a connecting block B that can slide inside the opening. The positioning plate is fixedly connected to the connecting block A or the connecting block B, and the limiting plate is fixedly connected to the connecting plate A, the connecting plate B, the connecting plate C, or the connecting plate D. A connecting block C slides inside the opening and is fixedly connected to the positioning plate and the upper side of the connecting block A or the connecting block B. Connecting blocks D are connected to both sides of the connecting block C via positioning pins, and the connecting blocks D are fixedly connected to the limiting plate.

[0021] By adopting the above technical solution, the connection unit allows the A connection plate, B connection plate, C connection plate and D connection plate to be quickly installed inside the corresponding A support plate or B support plate or C support plate or D support plate, thus improving installation efficiency.

[0022] The beneficial effects of the civil engineering building support proposed in this utility model are as follows:

[0023] 1. By setting up connecting plates A, B, C, and D, as well as supporting plates A, B, C, and D, and positioning strips, a support device can be quickly assembled by splicing and stacking. The double-layer structure allows the outer mechanism to be used for guiding connections, enabling rapid installation. The individual structure is appropriately sized, making it easier to place and transport. At the same time, the internal structure can be replaced to adapt to building pillars of different sizes and shapes, improving the applicability of the device.

[0024] 2. By setting up connection units, the internal structure of support plates A, B, C, and D can be quickly replaced, improving the efficiency of internal structure replacement. Attached Figure Description

[0025] Figure 1 This is a frontal top three-dimensional structural diagram of a civil engineering building support column proposed in this utility model.

[0026] Figure 2 This is a schematic diagram of the upper cross-sectional three-dimensional structure of a civil engineering building support column proposed in this utility model;

[0027] Figure 3 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of area A in the middle;

[0028] Figure 4 This is a schematic diagram of the lower three-dimensional structure of a civil engineering building support column proposed in this utility model;

[0029] Figure 5 The present utility model proposes Figure 4 A magnified three-dimensional structural diagram of a portion of area B in the middle section;

[0030] Figure 6 This is an exploded structural diagram of a civil engineering building support column proposed in this utility model;

[0031] Figure 7 The present utility model proposes Figure 6 A magnified three-dimensional structural diagram of a portion of the central C area;

[0032] Figure 8 The present utility model proposes Figure 6 A magnified three-dimensional structural diagram of a portion of the central D region;

[0033] Figure 9 The present utility model proposes Figure 6 A magnified three-dimensional structural diagram of a portion of region E in the middle.

[0034] In the diagram: 1. Positioning ring; 2. A connecting plate; 3. C connecting plate; 4. Connecting ring; 5. Positioning strip; 6. Connecting unit; 61. Positioning plate; 62. Limiting plate; 63. C connecting block; 64. D connecting block; 7. A support plate; 8. B support plate; 9. C support plate; 10. D support plate; 11. B connecting plate; 12. A connecting block; 13. D connecting plate; 14. B connecting block; 15. Mounting ring; 16. Auxiliary block; 17. B auxiliary block; 18. C auxiliary block; 19. A sealing strip; 20. B sealing strip; 21. C sealing strip; 22. D sealing strip; 23. A positioning block; 24. B positioning block; 25. C positioning block; 26. D positioning block; 27. E positioning block; 28. F positioning block. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0036] Reference Figure 1-9 A civil engineering building support column includes a positioning ring 1, an A support plate 7, a B support plate 8, several C support plates 9, and several D support plates 10. The A support plates 7 and B support plates 8, as well as the C support plates 9 and D support plates 10, are symmetrically arranged, with the C support plates 9 and D support plates 10 located above the A support plates 7 and B support plates 8 and below the positioning ring 1. The A support plates 7, B support plates 8, several C support plates 9, and several D support plates 10 constitute a cylindrical support body for supporting, grouting, and shaping the building support column. It also includes: an A connecting plate 2, several C connecting plates 3, a connecting ring 4, several positioning strips 5, and several connecting units 6.

[0037] A connecting plate 2 is symmetrically provided with a connecting plate 11 on one side, and a connecting plate 13 is symmetrically provided with a connecting plate 3 on one side. The outer sides of connecting plates 2, 11, 3, and 13 are all provided with positioning grooves. Positioning strips 5 can be fixedly connected to connecting plates 2, 11, 3, or 13. Positioning strips 5 can slide inside the positioning grooves. Connecting plates 2, 11, 3, and 13 are connected into a circle by positioning strips 5, allowing them to move only up and down. A support device can be quickly assembled by splicing and stacking. The double-layer structure allows the outer mechanism to be used for guiding connection, enabling rapid installation. The individual structure is appropriately sized, making it easier to place and transport. The internal structure can be replaced to adapt to building pillars of different sizes and shapes, improving the applicability of the device.

[0038] The connecting ring 4 is located on the upper side of the C connecting plate 3 and the D connecting plate 13. The mounting ring 15 is installed on the upper side of the connecting ring 4, and the positioning ring 1 is installed on the lower side of the mounting ring 15.

[0039] Connecting plates A 2, B 11, C 3, and D 13 are each provided with an A auxiliary groove and two B auxiliary grooves on their upper sides. Two B auxiliary grooves can form one A auxiliary groove. Four A auxiliary blocks 16 are fixed to the lower side of the connecting ring 4. Connecting plates C 3 and D 13 are fixed with B auxiliary blocks 17 and two C auxiliary blocks 18 on their lower sides. A auxiliary block 16 can slide inside the A and B auxiliary grooves, B auxiliary block 17 can slide inside the B auxiliary groove, and C auxiliary block 18 can slide inside the A auxiliary groove. Connecting plates A 2 and B 11 form... Form a circular base on the bottom side for support and positioning. Then, first, install a set of C connecting plates 3 and D connecting plates 13 in a circular shape from top to bottom onto A connecting plates 2 and B connecting plates 11. Next, install the other sets of C connecting plates 3 and D connecting plates 13 from top to bottom as needed. Finally, install the connecting ring 4 on the topmost C connecting plate 3 and D connecting plate 13. During installation, A connecting plates 2 and B connecting plates 11 should be installed seamlessly with C connecting plates 3 and D connecting plates 13, ensuring that C connecting plates 3 and D... The auxiliary block 17 under the connecting plate 13 can enter the auxiliary slots at both ends of the connecting plates A 2, B 11, C 3, and D 13, thus fixing the corresponding connection seams between the connecting plates A 2 and B 11 and the connecting plates C 3 and D 13. Simultaneously, it fixes the auxiliary blocks 18 at both ends of the connecting plates C 3 and D 13. Two auxiliary blocks 18 form a single auxiliary block 17, which then enters the auxiliary slot A to fix the connection seams between the connecting plates A 2 and B 11 and the connecting plates C 3 and D 13. The corresponding connecting seams serve to fix the joints, and A auxiliary block 16 can directly enter A auxiliary groove and B auxiliary groove. Together with connecting ring 4, it can fix the connecting seam between the uppermost C connecting plate 3 and D connecting plate 13, improving the overall stability. Furthermore, A auxiliary block 16, B auxiliary block 17 and C auxiliary block 18 can more easily install C connecting plate 3 and D connecting plate 13 on the upper side of A connecting plate 2 and B connecting plate 11, and connect multiple C connecting plates 3 and D connecting plates 13 together, improving installation efficiency.

[0040] Support plate 7 is located inside connection plate 2, support plate 8 is located inside connection plate 11, support plate 9 is located inside connection plate 3, support plate 10 is located inside connection plate 13, and several connection blocks 12 are fixed on the outside of connection plate 2 and connection plate 11, and several connection blocks 14 are fixed on the outside of connection plate 3 and connection plate 13.

[0041] The connecting unit 6 is located between connecting block A 12 and support plate A 7 and support plate B 8, and between connecting block B 14 and support plate C 9 and support plate D 10. The connecting unit 6 includes a positioning plate 61. A limiting plate 62 slides on the outer side of the positioning plate 61. An opening is provided on the inner side of the limiting plate 62, allowing connecting block A 12 or connecting block B 14 to slide within the opening. The positioning plate 61 is fixedly connected to connecting block A 12 or connecting block B 14. The limiting plate 62 is fixedly connected to connecting plate A 2, connecting plate B 11, connecting plate C 3, or connecting plate D 13. Connecting block C 63 slides within the opening and is fixedly connected to the positioning plate 61 and the upper side of connecting block A 12 or connecting block B 14. Connecting block D 64 is connected to both sides of connecting block C 63 via positioning pins. Connecting block D 64 is fixedly connected to the limiting plate 62. Support plates A 7, B 8, C 9, and D 10 are installed from top to bottom on their respective connecting plates A 2. Inside connecting plates 11 (B), 3 (C), and 13 (D), during installation, connecting block 12 (A) or 14 (B) slides into the limiting plate 62 along with positioning plate 61. Then, connecting block 63 (C) contacts the two connecting blocks 64 (D), and positioning pins connect them together, preventing supporting plates 7 (A), 8 (B), 9 (C), and 10 (D) from moving within their respective connecting plates 2 (A), 11 (B), 3 (C), and 13 (D). When connecting plates 2 (A), 11 (B), 3 (C), and 13 (D) are installed together, supporting plates 7 (A), 8 (B), 9 (C), and 10 (D) combine to form a support shell, providing support and protection for the building pillars during casting. Furthermore, supporting plates 7 (A), 8 (B), 9 (C), and 10 (D) can be replaced according to the dimensions of the building pillars, improving the applicability of the device.

[0042] A sealing strip 19 is fixed to the upper outer side of both support plate A 7 and support plate B 8. Support plate C 9 and support plate D 10 can slide inside the sealing strip 19. A sealing strip 21 is fixed to both outer ends of support plate A 7, with the sealing strip 21 located between two other sealing strips. Support plate C 9 and support plate D 10 can slide inside the sealing strip 21. A positioning block 23 and B positioning block 24 are fixed to both outer ends of support plate B 8, with positioning block A 23 located above positioning block B 24. Positioning block C 25 is fixed to the upper side of positioning block A 23, and positioning block C 25 can be fixedly connected to the outer side of sealing strip 19. A limiting groove is provided on one side of positioning block A 23, positioning block B 24, and positioning block C 25. 21 can slide inside the A limiting groove. When the C support plate 9 and D support plate 10 are connected to the upper side of the A support plate 7 and B support plate 8, the connection seam between the C support plate 9 and D support plate 10 and the A support plate 7 and B support plate 8 will be blocked by the A sealing strip 19 and the C sealing strip 21. At the same time, the connection seam between the two ends of the A support plate 7 and B support plate 8 will be blocked by the C sealing strip 21, which improves the sealing performance of the equipment. Furthermore, the C support plate 9 and D support plate 10, as well as the A support plate 7 and B support plate 8, are installed from top to bottom. When the C sealing strip 21 slides into the A limiting groove, it will be positioned by the A positioning block 23, the B positioning block 24, and the C positioning block 25, which improves the stability of the equipment.

[0043] Both the upper outer sides of support plate C 9 and support plate D 10 are fixed with sealing strips B 20. Support plate C 9, support plate D 10, and positioning ring 1 can slide inside the sealing strips B 20. Both outer ends of support plate C 9 are fixed with sealing strips D 22, which are located between the two sealing strips B 20 and have B grooves on their lower sides. Sealing strips A 19 and B 20 can slide inside the B grooves. Positioning ring 1, support plate C 9, and support plate D 10 can slide inside the sealing strips D 22. Both outer ends of support plate D 10 are fixed with positioning blocks D 26 and E 27, with positioning block D 26 located above positioning block E 27. The upper side of positioning block D 26 and the lower side of positioning block E 27 are fixed with... The F positioning block 28 on the upper side of the D positioning block 26 can be fixedly connected to the outer side of the A sealing strip 19 and the B sealing strip 20. The D positioning block 26, E positioning block 27 and F positioning block 28 are provided with a B limiting groove on one side. The D sealing strip 22 can slide inside the B limiting groove. Similarly, when the C support plate 9 and the D support plate 10 are stacked and installed, the B sealing strip 20 will cover the connection seam between the two sets of C support plates 9 and D support plates 10, and the D sealing strip 22 will cover the connection seam between C support plates 9 and D support plates 10, which improves the sealing performance of the equipment and allows the D positioning block 26, E positioning block 27 and F positioning block 28 to position the D sealing strip 22, thereby improving the stability of the equipment.

[0044] In the description of this patent, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation on this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two components. For those skilled in the art, the specific meaning of the above terms in this patent can be understood according to the specific circumstances.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A civil engineering building support column, comprising a positioning ring (1), an A support plate (7), a B support plate (8), a plurality of C support plates (9), and a plurality of D support plates (10), wherein the A support plates (7) and B support plates (8), as well as the C support plates (9) and D support plates (10), are symmetrically arranged, and the C support plates (9) and D support plates (10) are located above the A support plates (7) and B support plates (8) and below the positioning ring (1), characterized in that, Also includes: A connecting plate (2), B connecting plate (11) is symmetrically arranged on one side of the A connecting plate (2), A support plate (7) is located inside the A connecting plate (2), B support plate (8) is located inside the B connecting plate (11), and several A connecting blocks (12) are fixed on the outer sides of the A connecting plate (2) and the B connecting plate (11). Several C-connecting plates (3) are provided, and D-connecting plates (13) are symmetrically arranged on one side of the C-connecting plates (3). The C-supporting plate (9) is located inside the C-connecting plate (3), and the D-supporting plate (10) is located inside the D-connecting plate (13). Several B-connecting blocks (14) are fixed on the outer sides of both the C-connecting plate (3) and the D-connecting plate (13). A connecting ring (4) is located on the upper side of the C connecting plate (3) and the D connecting plate (13). An mounting ring (15) is installed on the upper side of the connecting ring (4), and a positioning ring (1) is installed on the lower side of the mounting ring (15). A number of positioning strips (5) are provided on the outer side of the connecting plate A (2), connecting plate B (11), connecting plate C (3) and connecting plate D (13). The positioning strips (5) can be fixedly connected to the connecting plate A (2), connecting plate B (11), connecting plate C (3) or connecting plate D (13). The positioning strips (5) can slide inside the positioning grooves. Several connecting units (6) are located between connecting block A (12) and support plate A (7) and support plate B (8), and between connecting block B (14) and support plate C (9) and support plate D (10).

2. A civil engineering building support column according to claim 1, characterized in that, The upper sides of the connecting plate A (2), connecting plate B (11), connecting plate C (3) and connecting plate D (13) are provided with auxiliary groove A and two auxiliary grooves B. The lower side of the connecting ring (4) is fixed with four auxiliary blocks A (16). The lower sides of the connecting plate C (3) and connecting plate D (13) are fixed with auxiliary blocks B (17) and two auxiliary blocks C (18). The auxiliary blocks A (16) can slide inside the auxiliary grooves A and B. The auxiliary blocks B (17) can slide inside the auxiliary grooves B. The auxiliary blocks C (18) can slide inside the auxiliary grooves A.

3. A civil engineering building support column according to claim 2, characterized in that, The two B auxiliary slots can form an A auxiliary slot.

4. A civil engineering building support column according to claim 1, characterized in that, A sealing strip (19) is fixed to the upper outer side of both the A support plate (7) and the B support plate (8). The C support plate (9) and the D support plate (10) can slide inside the A sealing strip (19). A sealing strip (20) is fixed to the upper outer side of both the C support plate (9) and the D support plate (10). The C support plate (9), the D support plate (10), and the positioning ring (1) can slide inside the B sealing strip (20). A sealing strip (21) is fixed to both ends of the outer side of the A support plate (7). The C sealing strip (21) is located at... Between the two C sealing strips (21), the C support plate (9) and the D support plate (10) can slide on the inner side of the C sealing strip (21). The outer ends of the C support plate (9) are fixed with D sealing strips (22). The D sealing strip (22) is located between the two B sealing strips (20) and the lower side of the D sealing strip (22) is provided with B slots. The A sealing strip (19) and the B sealing strip (20) can slide on the inner side of the B slots. The positioning ring (1), the C support plate (9) and the D support plate (10) can slide on the inner side of the D sealing strip (22).

5. A civil engineering building support column according to claim 4, characterized in that, The outer ends of the B support plate (8) are fixed with A positioning block (23) and B positioning block (24), with A positioning block (23) located on the upper side of B positioning block (24). A positioning block (25) is fixed on the upper side of A positioning block (23), and C positioning block (25) can be fixedly connected to the outer side of A sealing strip (19). A limiting groove is provided on one side of A positioning block (23), B positioning block (24) and C positioning block (25). C sealing strip (21) can slide inside the A limiting groove. The outer ends of the D support plate (10) are fixed with A positioning block (23) and B positioning block (24) respectively. There is a D positioning block (26) and an E positioning block (27), with the D positioning block (26) located on the upper side of the E positioning block (27). An F positioning block (28) is fixed on the upper side of the D positioning block (26) and the lower side of the E positioning block (27). The F positioning block (28) on the upper side of the D positioning block (26) can be fixedly connected to the outer side of the A sealing strip (19) and the B sealing strip (20). A B limiting groove is provided on one side of the D positioning block (26), the E positioning block (27) and the F positioning block (28). The D sealing strip (22) can slide inside the B limiting groove.

6. A civil engineering building support column according to claim 1, characterized in that, The connecting unit (6) includes a positioning plate (61), a limiting plate (62) slides on the outer side of the positioning plate (61), and an opening is provided on the inner side of the limiting plate (62). The A connecting block (12) or the B connecting block (14) can slide inside the opening. The positioning plate (61) is fixedly connected to the A connecting block (12) or the B connecting block (14). The limiting plate (62) is fixedly connected to the A connecting plate (2) or the B connecting plate (11) or the C connecting plate (3) or the D connecting plate (13). A C connecting block (63) slides inside the opening. The C connecting block (63) is fixedly connected to the positioning plate (61) and the upper side of the A connecting block (12) or the B connecting block (14). The C connecting block (63) is connected to the D connecting block (64) on both sides by positioning pins. The D connecting block (64) is fixedly connected to the limiting plate (62).

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