Corrugated steel plate arch body side support structure

Abstract

The application provides a corrugated steel plate arch body side supporting structure, which comprises two bases and two bases arranged at two ends of the corrugated steel plate arch body, the top of each of the two bases is fixedly connected with a plurality of threaded rods, each of the two bases is placed with a plug-in seat, the plug-in seat is provided with a plug-in groove, and a center positioning structure is arranged in the plug-in groove. The center positioning structure positions the base in the plug-in groove and supports the base through the threaded rods; the center positioning structure positions and clamps the base of the corrugated steel plate arch body on one side, and is tightly abutted with the two sides of the inner side wall of the plug-in groove, so that the base at the two ends of the corrugated steel plate arch body is in the ideal position of the plug-in groove. Through the center positioning structure, the end part of the corrugated steel plate arch body is automatically clamped and positioned in the center of the plug-in groove, the installation deviation is avoided, the structure alignment is improved, the center positioning structure is tightly abutted with the inner side wall of the plug-in groove, double supports are formed, and the rigidity and stability of the overall structure are improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of corrugated steel plate arch body side support, in particular to a corrugated steel plate arch body side support structure. BACKGROUND

[0002] Corrugated steel plate arch body is widely used in various underground engineering due to its good bearing capacity, flexibility and convenient construction. However, in the prior art, the side support structure of the corrugated steel plate arch body usually adopts a simple base fixing method, which lacks effective positioning and adjusting mechanism, which leads to problems such as end deflection of the corrugated steel plate arch body, centering difficulty and the like during installation, affecting the alignment degree and overall stability of the structure. SUMMARY

[0003] Therefore, the present application aims to provide a corrugated steel plate arch body side support structure to solve the technical problem in the prior art that the side support structure of the corrugated steel plate arch body usually adopts a simple base fixing method, which lacks effective positioning and adjusting mechanism, which leads to problems such as end deflection of the corrugated steel plate arch body, centering difficulty and the like during installation, affecting the alignment degree and overall stability of the structure.

[0004] To achieve the above-mentioned purpose, the technical scheme of the present application is as follows:

[0005] A corrugated steel plate arch body side support structure, comprising two bases and two bases arranged at both ends of the corrugated steel plate arch body, the top of each of the two bases is fixedly connected with a plurality of threaded rods, each of the two bases is placed with a plug-in seat, the plug-in seat is plugged on the threaded rod, the plug-in seat is provided with a plug-in slot, the base is plugged into the plug-in slot and sleeved on the surface of the threaded rod, a centering positioning structure is arranged in the plug-in slot, the centering positioning structure positions the base in the center of the plug-in slot and supports it through the threaded rod; the centering positioning structure positions and clamps the base of the corrugated steel plate arch body on both sides of the inner side wall of the plug-in slot.

[0006] Further, the surface of the threaded rod is threadedly connected with a first fastening nut, the threaded rod is further threadedly connected with a second fastening nut, the first fastening nut is located below the second fastening nut, the first fastening nut is used for positioning the plug-in seat, and the second fastening nut is used for pressing the base plugged into the plug-in slot.

[0007] Further, the centering structure comprises a positioning seat, two insertion interfaces are formed in the positioning seat, the positioning seat is connected with two adjacent threaded rods through the two insertion interfaces, the first side a and the second side b of the positioning seat are provided with protruding segments, a sliding groove is formed in the top of the two protruding segments, a first supporting piece is slidably connected in the sliding groove, a second supporting piece is inserted in the end of the two protruding segments, and a spacing adjusting assembly is arranged between the first supporting piece and the second supporting piece.

[0008] A clearance groove is formed in the bottom of the positioning seat for the first fastening nut, and the second fastening nut is pressed on the top of the positioning seat.

[0009] Further, the spacing adjusting assembly comprises a bidirectional screw rod, first and second drive screw sleeves are threadedly connected on the two bidirectional threaded surfaces of the bidirectional screw rod respectively, the first drive screw sleeve is fixedly connected with the first supporting piece, and the second drive screw sleeve is fixedly connected with the second supporting piece.

[0010] Further, the first supporting piece comprises a moving seat, two insertion sliding blocks are fixedly connected to the bottom end of the moving seat and slidably connected to the inner wall of the sliding groove, first pressing columns are rotatably connected to the top of the moving seat, the first pressing columns are pressed on the surface of the base, and the bottom of the moving seat is fixedly connected with the top of the first drive screw sleeve.

[0011] Further, the second supporting piece comprises two insertion rods, the two insertion rods are inserted in the end of the protruding segment, pressing plates are fixedly connected to the ends of the two insertion rods, and the surface of the pressing plate is fixedly connected with the second drive screw sleeve.

[0012] Further, a positioning groove is formed in the position close to the first side a of the positioning seat of the base, the positioning groove is provided with inclined surfaces on both sides, a connecting seat is fixedly connected to the surface of the moving seat located on the first side a of the positioning seat, a second pressing column is rotatably connected to the top of the connecting seat, and the second pressing column is pressed on the inner wall of the positioning groove.

[0013] Further, an outer supporting structure is arranged on the top of the positioning seat, the outer supporting structure comprises a corrugated supporting plate, the corrugated supporting plate is adaptedly attached to the corrugated surface of the corrugated steel plate arch body, two bottom plates are fixedly connected to the bottom of the corrugated supporting plate, a butt joint groove is formed in the top of the two bottom plates, the two bottom plates are connected with two adjacent threaded rods through the butt joint groove, and the second fastening nut is pressed on the top of the bottom plate.

[0014] Further, the top of the moving seat on the second side b of the positioning seat protruding section is rotationally connected with a third pressing column, and the third pressing column is in contact with the protruding section in the middle of the corrugated support plate.

[0015] Further, a reinforcing plate is arranged between the corrugated support plate and the bottom plate, the bottom end of the reinforcing plate is fixedly connected with the bottom plate, and the side surface of the reinforcing plate is fixedly connected with the corrugated support plate.

[0016] Compared with the prior art, the corrugated steel plate arch side support structure has the following beneficial effects:

[0017] (1) The base at both ends of the corrugated steel plate arch is inserted into the insertion slot of the two insertion seats, the centering structure centers the base in the insertion slot and supports it through the threaded rod; on the one hand, the centering structure clamps and positions the base of the corrugated steel plate arch, and on the other hand, it is tightly pressed against the inner side wall of the insertion slot on both sides, so that the base at both ends of the corrugated steel plate arch is in the ideal position of the insertion slot. Through the centering structure, the corrugated steel plate arch end is not only clamped and positioned in the center of the insertion slot, but also avoids installation deviation, improves the structure alignment, and the centering structure is tightly pressed against the inner side wall of the insertion slot, forming double support, which improves the rigidity and stability of the overall structure.

[0018] (2) In the process that the moving seat drives the first pressing column to tightly press against the base, the moving seat on the first side a of the positioning seat drives the second pressing column to be in butt joint with the positioning slot, the second pressing column acts on the inclined surface in the positioning slot to push the moving seat, and the base is centered and adjusted between the two adjacent threaded rods.

[0019] The bottom plate is inserted on the surface of the threaded rod through the butt joint slot, and then the corrugated support plate is attached to the corrugated steel plate arch. After the centering adjustment of the base is completed, the second fastening nut is screwed with the threaded rod to press the bottom plate tightly, so as to press the bottom plate, the base and the positioning seat tightly to complete the installation. By arranging the corrugated support plate, the outer side of the corrugated steel plate arch can be assisted and supported, which is conducive to ensuring the stability of the corrugated steel plate arch after installation.

[0020] Before the centering structure centers the base in the insertion slot, the bottom plate is first inserted on the threaded rod, so that the bottom plate is seated on the surface of the base. Then, in the process that the centering structure centers the base, the moving seat on the second side b of the positioning seat drives the third pressing column to press against the protruding section in the middle of the corrugated support plate, so as to synchronously drive the corrugated support plate to tightly attach to the corrugated steel plate arch, which simplifies the operation and reduces the difficulty of installation and fixation. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0022] Figure 1 This is a first overall schematic diagram of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0023] Figure 2 for Figure 1 Enlarged view of section A in the middle;

[0024] Figure 3 for Figure 1 Enlarged view of section B;

[0025] Figure 4 This is a schematic diagram of the external support structure of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the centering positioning structure of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0027] Figure 6 This is an exploded view of the centering positioning structure of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0028] Figure 7 This is a schematic diagram of the base of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0029] Figure 8 This is a schematic diagram of the plug-in seat of a corrugated steel plate arch side support structure according to an embodiment of the present invention;

[0030] Figure 9 This is a schematic diagram of the corrugated steel plate arch with a side support structure according to an embodiment of the present invention.

[0031] Figure 10 for Figure 9 Enlarged view of section C;

[0032] Figure 11 for Figure 9 Enlarged view of section D in the middle.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1 - corrugated steel plate arch body; 2 - base; 3 - base; 301 - second connecting groove; 4 - threaded rod; 5 - plug-in seat; 6 - plug-in groove; 7 - first connecting groove; 8 - first fastening nut; 9 - second fastening nut; 10 - positioning seat; 1001 - protruding section; 11 - plug-in port; 12 - sliding groove; 13 - accommodation groove; 14 - bidirectional screw rod; 1401 - first thread; 1402 - second thread; 15 - first driving screw sleeve; 16 - second driving screw sleeve; 17 - moving seat; 18 - plug-in rod; 19 - first pressing column; 20 - plug-in rod; 21 - pressing plate; 22 - positioning groove; 23 - inclined surface; 24 - connecting seat; 25 - second pressing column; 26 - corrugated support plate; 27 - bottom plate; 28 - butt joint groove; 29 - third pressing column; 30 - reinforcing plate. DETAILED DESCRIPTION

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0037] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0039] As Figures 1 to 11As shown, in one embodiment, a corrugated steel plate arch side support structure includes two bases 2 and two bases 3 arranged at both ends of the corrugated steel plate arch 1, the top of each of the two bases 2 is fixedly connected with a plurality of threaded rods 4, each of the two bases 2 is placed with a plug-in seat 5, the plug-in seat 5 is plugged on the threaded rod 4, the plug-in seat 5 is provided with a plug-in groove 6, the base 3 is plugged in the plug-in groove 6 and is sleeved on the surface of the threaded rod 4, a centering structure is arranged in the plug-in groove 6, the centering structure centrally positions the base 3 in the plug-in groove 6 and supports the base 3 through the threaded rod 4; the centering structure clamps and positions the base 3 of the corrugated steel plate arch 1 on one side, and abuts against the inner side wall of the plug-in groove 6 on the other side.

[0040] Specifically, the inner bottom surface of the plug-in groove 6 is provided with a first connecting groove 7, the plug-in seat 5 is butted with the threaded rod 4 through the first connecting groove 7, the top of the base 3 is provided with a second connecting groove 301, and the base 3 is sleeved on the surface of the threaded rod 4 through the second connecting groove 301.

[0041] The surface of the threaded rod 4 is threadedly connected with a first fastening nut 8, and the threaded rod 4 is further threadedly connected with a second fastening nut 9, the first fastening nut 8 is located below the second fastening nut 9, the first fastening nut 8 is used for positioning the plug-in seat 5, and the second fastening nut 9 is used for pressing the base 3 above the plug-in groove 6.

[0042] During installation of the corrugated steel plate arch 1, the base 2 is first poured on the ground by pouring concrete, the threaded rod 4 is vertically fixed on the base 2, the plug-in seat 5 is plugged on the surface of the threaded rod 4, then the first fastening nut 8 is threadedly butted on the surface of the threaded rod 4, the plug-in seat 5 is pressed, and the plug-in seat 5 is positioned on the base 2;

[0043] Then, the base 3 at both ends of the corrugated steel plate arch 1 is plugged in the plug-in groove 6 of the two plug-in seats 5, the centering structure centrally positions the base 3 in the plug-in groove 6 and supports the base 3 through the threaded rod 4; the centering structure clamps and positions the base 3 of the corrugated steel plate arch 1 on one side, and abuts against the inner side wall of the plug-in groove 6 on the other side, so that the base 3 at both ends of the corrugated steel plate arch 1 is in the ideal position of the plug-in groove 6, through the centering structure, not only the end of the corrugated steel plate arch 1 is clamped and positioned in the center of the plug-in groove 6, avoiding installation deflection, improving the structure alignment, but also the centering structure abuts against the inner side wall of the plug-in groove 6, forming double support, improving the rigidity and stability of the overall structure.

[0044] Then, the second fastening nut 9 is tightened to press the base 3, and the fixing is completed.

[0045] Specifically, the center positioning structure comprises a positioning seat 10, two insertion interfaces 11 are formed in the positioning seat 10, the positioning seat 10 is connected with two adjacent threaded rods 4 through the two insertion interfaces 11, the first side a and the second side b of the positioning seat 10 are provided with protruding sections 1001, the top of the two protruding sections 1001 is provided with a sliding groove 12, a first supporting piece is slidably connected in the sliding groove 12, a second supporting piece is inserted in the end of the two protruding sections 1001, a spacing adjusting assembly is arranged between the first supporting piece and the second supporting piece, the two first supporting pieces clamp the two ends of the base 3, and the two second supporting pieces abut against the two sides of the inner side wall of the insertion groove 6. After the positioning seat 10 is connected with the threaded rod 4, the position of the positioning seat 10 is positioned, then the bidirectional screw rod 14 is twisted

[0046] The bottom of the positioning seat 10 is provided with a clearance groove 13 for the first fastening nut 8, and the second fastening nut 9 is pressed above the positioning seat 10. The positioning seat 10 is positioned in the insertion groove 6 through the connection of the second pressing nut and the threaded rod 4.

[0047] The spacing adjusting assembly comprises a bidirectional screw rod 14, the two threaded surfaces of the bidirectional screw rod 14 are respectively threadedly connected with a first driving screw sleeve 15 and a second driving screw sleeve 16, the first driving screw sleeve 15 is fixedly connected with the first supporting piece, and the second driving screw sleeve 16 is fixedly connected with the second supporting piece.

[0048] After the positioning seat 10 is connected with the threaded rod 4, the position of the positioning seat 10 is positioned, then the bidirectional screw rod 14 is twisted, the bidirectional screw rod 14 threadedly drives the first driving screw sleeve 15 and the second driving screw sleeve 16 to move away from each other, until the first supporting piece abuts against the base 3 and the second supporting piece abuts against the inner side wall of the insertion groove 6, the first supporting piece on the two protruding sections 1001 clamps and positions the base 3, and the two second supporting pieces abut against the two inner side walls of the insertion groove 6, so that the positioning precision and stability are ensured.

[0049] The two threaded surfaces of the bidirectional screw rod 14 are a first thread 1401 and a second thread 1402, the thread directions of the first thread 1401 and the second thread 1402 are opposite, the first thread 1401 is threadedly connected with the first driving screw sleeve 15, and the second thread 1402 is threadedly connected with the second driving screw sleeve 16.

[0050] As Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, in one embodiment, the first support member comprises a moving seat 17, the bottom end of the moving seat 17 is fixedly connected with two plug-in sliding blocks 18 which are slidingly connected on the inner wall of the sliding groove 12, the top two ends of the moving seat 17 are both rotatably connected with first pressing columns 19 which press on the surface of the base 3, and the bottom of the moving seat 17 is fixedly connected with the top of the first driving screw sleeve 15.

[0051] The second support member comprises two plug-in rods 20 which are plugged into the end of the protruding section 1001, and the end of the two plug-in rods 20 is fixedly connected with a pressing plate 21, and the surface of the pressing plate 21 is fixedly connected with the second driving screw sleeve 16.

[0052] Specifically, the pressing process is as follows: after the positioning seat 10 is butt-jointed with the threaded rods 4, the position of the positioning seat 10 is positioned, then the bidirectional screw rod 14 is twisted, the bidirectional screw rod 14 will threadedly drive the first driving screw sleeve 15 and the second driving screw sleeve 16 to move away from each other, the first driving screw sleeve 15 will drive the moving seat 17 to move, the moving seat 17 will synchronously drive the first pressing columns 19 to press against the base 3, and the second driving screw sleeve 16 will drive the pressing plate 21 to press against the inner side wall of the plug-in groove 6, and the first pressing columns 19 on the two protruding sections 1001 will clamp and position the base 3, and the two pressing plates 21 will press against the two inner side walls of the plug-in groove 6.

[0053] The position of the base 3 close to the first side a of the positioning seat 10 is provided with a positioning groove 22, the positioning groove 22 is provided with inclined surfaces 23 on both sides, the surface of the moving seat 17 located on the first side a of the positioning seat 10 is fixedly connected with a connecting seat 24, the top of the connecting seat 24 is rotatably connected with a second pressing column 25 which presses on the inner wall of the positioning groove 22. In the process that the moving seat 17 drives the first pressing columns 19 to press against the base 3, the moving seat 17 located on the first side a of the positioning seat 10 will drive the second pressing column 25 to butt-joint with the positioning groove 22, the second pressing column 25 will act on the inclined surfaces 23 in the positioning groove 22 to push the moving seat 17 and adjust the base 3 to be centered between the two adjacent threaded rods 4.

[0054] As Figure 1 , Figure 2 and Figure 4As shown, in one embodiment, the top of the positioning seat 10 rests on an outer support structure, which comprises a corrugated support plate 26 that is adapted to fit the corrugated surface of the corrugated steel plate arch 1, the bottom of the corrugated support plate 26 is fixedly connected with two bottom plates 27, the top of the two bottom plates 27 is provided with a butt joint groove 28, the two bottom plates 27 are respectively butt jointed with the adjacent two threaded rods 4 through the butt joint groove 28, and the second fastening nut 9 is pressed on the top of the bottom plate 27. The bottom plate 27 is inserted on the surface of the threaded rod 4 through the butt joint groove 28, then the corrugated support plate 26 is pasted on the corrugated steel plate arch 1, after the central adjustment of the base 3 is completed, the second fastening nut 9 is threadedly connected with the threaded rod 4, the bottom plate 27 is pressed tightly, the bottom plate 27, the base 3 and the positioning seat 10 are pressed tightly, the installation is completed, and by arranging the corrugated support plate 26, the outer side of the corrugated steel plate arch 1 can be assisted and supported, which is beneficial to ensure the stability of the corrugated steel plate arch 1 after installation.

[0055] The top of the moving seat 17 located on the second side b protruding section 1001 of the positioning seat 10 is rotationally connected with a third pressing column 29, and the third pressing column 29 is in contact with the protruding section in the middle of the corrugated support plate 26. Before the centering positioning structure is used to centrally position the base 3 in the insertion groove 6, the bottom plate 27 is first inserted on the threaded rod 4, so that the bottom plate 27 is seated on the surface of the base 3, then in the process of centrally positioning the base 3 by the centering positioning structure, the moving seat 17 located on the second side b of the positioning seat 10 drives the third pressing column 29 to press against the protruding section in the middle of the corrugated support plate 26, so that the corrugated support plate 26 can be synchronously driven to tightly contact the corrugated steel plate arch 1, which simplifies the operation, and the staff does not need to support the corrugated support plate 26 to tightly contact the corrugated steel plate arch 1, thereby reducing the difficulty of installation and fixation.

[0056] A reinforcing plate 30 is arranged between the corrugated support plate 26 and the bottom plate 27, the bottom end of the reinforcing plate 30 is fixedly connected with the bottom plate 27, and the side surface of the reinforcing plate 30 is fixedly connected with the corrugated support plate 26. By arranging the reinforcing plate 30, the supporting capacity of the bottom plate 27 to the corrugated support plate 26 is enhanced.

[0057] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A corrugated steel plate arch side support structure, comprising two bases (2) and two bases (3) arranged at both ends of a corrugated steel plate arch (1), the top of each of the two bases (2) is fixedly connected with a plurality of threaded rods (4), and each of the two bases (2) is placed with a plug-in seat (5), and the plug-in seat (5) is plugged on the threaded rod (4), characterized in that: The plug-in groove (6) is provided on the plug-in seat (5), the base (3) is plugged into the plug-in groove (6) and is sleeved on the surface of the threaded rod (4), the plug-in groove (6) is provided with a centering structure, the centering structure centers the base (3) in the plug-in groove (6) and supports the base (3) through the threaded rod (4); the centering structure clamps and positions the base (3) of the corrugated steel plate arch body (1) on one side and abuts against the inner side walls of the plug-in groove (6) on the other side; The surface of the threaded rod (4) is threadedly connected with a first fastening nut (8), the threaded rod (4) is further threadedly connected with a second fastening nut (9), the first fastening nut (8) is located below the second fastening nut (9), the first fastening nut (8) is used for positioning the plug-in seat (5), and the second fastening nut (9) is used for pressing the base (3) plugged into the plug-in groove (6) from above. The centering structure comprises a positioning seat (10), two plug-in ports (11) are formed in the positioning seat (10), the positioning seat (10) is butted against the adjacent two threaded rods (4) through the two plug-in ports (11), the first side a and the second side b of the positioning seat (10) each have a protruding section (1001), the top of each of the two protruding sections (1001) is provided with a sliding groove (12), a first supporting piece is slidably connected in the sliding groove (12), a second supporting piece is plugged into the end of each of the two protruding sections (1001), and a spacing adjusting assembly is arranged between the first supporting piece and the second supporting piece; the two first supporting pieces clamp the two ends of the base (3), and the two second supporting pieces abut against the inner side walls of the plug-in groove (6) on both sides. The bottom of the positioning seat (10) is provided with a clearance groove (13) for accommodating the first fastening nut (8), and the second fastening nut (9) is pressed above the positioning seat (10).

2. The corrugated steel plate arch body side support structure according to claim 1, characterized in that: The spacing adjusting assembly comprises a bidirectional screw rod (14), first and second drive screw sleeves (15) and (16) are respectively threadedly connected to the two bidirectional screw threads of the bidirectional screw rod (14), the first drive screw sleeve (15) is fixedly connected with the first supporting piece, and the second drive screw sleeve (16) is fixedly connected with the second supporting piece.

3. A corrugated steel plate arch side bracing structure according to claim 2, characterized in that: The first supporting piece comprises a moving seat (17), two plug-in sliding blocks (18) are fixedly connected to the bottom end of the moving seat (17) and are slidably connected to the inner wall of the sliding groove (12), first pressing columns (19) are rotatably connected to the top ends of the moving seat (17), the first pressing columns (19) press against the surface of the base (3), and the bottom of the moving seat (17) is fixedly connected with the top of the first drive screw sleeve (15).

4. The corrugated steel plate arch body side support structure according to claim 2, characterized in that: The second supporting piece comprises two plug-in rods (20), the two plug-in rods (20) are plugged into the ends of the protruding sections (1001), pressing plates (21) are fixedly connected to the ends of the two plug-in rods (20), and the surface of the pressing plate (21) is fixedly connected with the second drive screw sleeve (16).

5. The corrugated steel plate arch body side support structure according to claim 3, characterized in that: The base (3) is provided with a positioning groove (22) near the position of the first side a of the positioning seat (10), the positioning groove (22) has inclined surfaces (23) on both sides, the surface of the moving seat (17) located on the first side a of the positioning seat (10) is fixedly connected with a connecting seat (24), the top of the connecting seat (24) is rotatably connected with a second pressing column (25), and the second pressing column (25) presses against the inner wall of the positioning groove (22).

6. A corrugated steel plate arch side bracing structure according to claim 3, characterized in that: The top of the positioning seat (10) is provided with an outer support structure, the outer support structure comprises a corrugated support plate (26), the corrugated support plate (26) is adapted and fitted with the corrugated surface of the corrugated steel plate arch body (1), the bottom of the corrugated support plate (26) is fixedly connected with two bottom plates (27), the top of the two bottom plates (27) is provided with a butt joint groove (28), the two bottom plates (27) are respectively butt jointed with two adjacent threaded rods (4) through the butt joint groove (28), and the second fastening nut (9) is pressed on the top of the bottom plate (27).

7. A corrugated steel plate arch side bracing structure according to claim 6, characterized in that: The top of the moving seat (17) located on the protruding section (1001) of the second side b of the positioning seat (10) is rotatably connected with a third pressing column (29), and the third pressing column (29) is in contact with the protruding section in the middle of the corrugated support plate (26).

8. A corrugated steel plate arch side bracing structure according to claim 6, characterized by: A reinforcing plate (30) is arranged between the corrugated support plate (26) and the bottom plate (27), the bottom end of the reinforcing plate (30) is fixedly connected with the bottom plate (27), and the side surface of the reinforcing plate (30) is fixedly connected with the corrugated support plate (26).

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