Steel mould trolley for aqueduct construction

Abstract

The aqueduct construction steel mould trolley comprises a lower supporting seat, rail wheels are installed at the bottom of the lower supporting seat, a moving rail matched with the rail wheels is installed below the lower supporting seat, and an upper supporting seat is installed on the lower supporting seat through an adjusting driving assembly; an outer shell is fixedly installed at the center of the top of the upper supporting base, a bidirectional positioning assembly is installed in the outer shell, the two ends of the bidirectional positioning assembly are connected with buffering abutting assemblies, the top of the upper supporting base is connected with an upper construction box through four sets of supporting columns, and a storage expansion assembly is installed in the upper construction box. The device has the beneficial effects that the device can be properly adjusted according to the depth and width of the aqueduct, construction of different positions can be achieved during manual construction, the structure is flexible, storage is convenient, meanwhile, equipment can be conveniently positioned in the aqueduct, and movement during construction is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of aqueduct construction auxiliary equipment, and in particular to an aqueduct construction steel formwork trolley. Background Art

[0002] Aqueduct trolley is a mobile work platform used to assist in laying aqueducts in water conservancy project construction. It is usually composed of a steel structure and equipped with a walking system, a positioning system and a construction operation platform. The design of the aqueduct trolley allows construction workers to move flexibly during the construction process and adapt to different construction locations, thereby improving construction efficiency and quality. At present, large-scale aqueduct formwork solutions usually adopt two types: on-site assembly and custom-made aqueduct machines. The Caohe Aqueduct formwork solution belongs to the former, and the Tuanhe Aqueduct formwork solution belongs to the latter.

[0003] When the aqueduct trolley is in use, due to the different heights of different aqueducts, the existing aqueduct trolley equipment is not easy to adjust, resulting in a long retaining wall construction period and slow speed. At the same time, the width of the aqueduct is also different. Faced with aqueduct structures of different widths, the aqueduct trolley needs to be designed according to different widths during actual use, and its adaptability is poor.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention aims to provide a steel formwork trolley for aqueduct construction.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a steel formwork trolley for aqueduct construction, comprising a lower support seat, a track wheel is installed at the bottom of the lower support seat, a movable track matching the track wheel is installed below the lower support seat, an upper support seat is installed on the lower support seat by adjusting the driving assembly, an outer shell is fixedly installed at the top center of the upper support seat, a two-way positioning assembly is installed in the outer shell, both ends of the two-way positioning assembly are connected to a buffering and abutting assemblies, the top of the upper support seat is connected to an upper construction box through four groups of support columns, a storage and expansion assembly is installed in the upper construction box, and a protective mechanism is installed on the storage and expansion assembly.

[0007] Preferably, the adjustment drive assembly includes two connecting support rods 1 and two connecting support rods 2, and adjacent connecting support rods 1 and 2 are movably connected via a movable shaft, the tops of the connecting support rods 2 are rotatably connected with side sliding wheels 1, the bottom of the upper support seat is symmetrically provided with a C-shaped guide rail 1 matching the side sliding wheels 1, and the top of the connecting support rod 1 is rotatably connected to the bottom of the upper support seat via a rotating block 1.

[0008] Preferably, the bottom top of the connecting support rod 2 is rotatably connected to the top surface of the lower support seat through a rotating block 2, the bottom end of the connecting support rod 1 is rotatably connected to a transverse connecting shaft, and side sliding wheels 2 are rotatably installed at both ends of the transverse connecting shaft, and C-shaped guide rails 2 matching the side sliding wheels 2 are symmetrically installed on the lower support seat.

[0009] Preferably, support blocks are symmetrically installed on the lower support seat, wherein a forward and reverse motor is installed on the outer wall of one of the support blocks, the output end of the forward and reverse motor is connected to a screw rod rotatably connected to the other support block, and the screw rod thread passes through a sliding block, and the transverse connecting shaft is fixedly passed through the sliding block.

[0010] Preferably, the bidirectional positioning assembly includes a motor fixed at the top center of the outer shell, the output end of the motor is connected to a gear extending into the outer shell, and a transverse tooth plate 1 and a transverse tooth plate 2 are respectively provided on both sides of the gear, one end of the transverse tooth plate 1 and the transverse tooth plate 2 is movably penetrated by a support column, and the other end of the transverse tooth plate 1 and the transverse tooth plate 2 extends outside the outer shell, one end of the support column is fixed inside the outer shell, and the outer walls of the transverse tooth plate 1 and the transverse tooth plate 2 are provided with rolling grooves, and a guide wheel is provided in the rolling groove, and the guide wheel is mounted on the inner wall of the outer shell.

[0011] Preferably, the buffering resistance assembly comprises an inner cavity support block, one side of the inner cavity support block is provided with an opening, one side of the opening is provided with an arc-shaped resistance rubber block, the inner side of the arc-shaped resistance rubber block is integrally connected with support block one, the inner side wall of the inner cavity support block is provided with support block two, and a resistance reset assembly is connected between support block two and support block one.

[0012] Preferably, the resistance reset assembly comprises an upper arc-shaped rubber plate and a lower arc-shaped rubber plate between the fixed block, the support block one and the support block two, a guide sleeve is provided between the upper arc-shaped rubber plate and the lower arc-shaped rubber plate, and connecting columns connected to the upper arc-shaped rubber plate and the lower arc-shaped rubber plate are provided at the upper and lower ends of the guide sleeve, and a spring is connected between the connecting columns.

[0013] Preferably, the storage and expansion assembly includes a middle expansion platform and side support platforms located on both sides of the middle expansion platform, a support rod 1 is rotatably provided at the bottom of the side support platform, the bottom end of the support rod 1 is installed on the inner wall of the upper construction box through a rotating connecting block, one side of the support rod 1 is provided with a support rod 2 rotatably connected to the side support platform, the bottom end of the support rod 2 is fixedly connected to a fan-shaped tooth plate, the fan-shaped tooth plate is connected to a connecting rod 1 through a fixed shaft, the top of the connecting rod 1 is rotatably connected to the connecting rod 2, and the top of the connecting rod 2 is rotatably connected to the middle expansion platform, double-sided tooth plates are meshed between the fan-shaped tooth plates, and the bottom of the double-sided tooth plate is connected to a hydraulic telescopic rod at the bottom of the upper construction box.

[0014] Preferably, the protective mechanism includes a protective main board symmetrically installed on the side support platform, the protective main board is provided with an installation groove, a protective net is installed between the protective main boards through a soft rubber frame, installation holes are provided at both ends of the soft rubber frame, and bolts matching the installation holes are provided on the protective main board.

[0015] The present invention provides a steel formwork trolley for aqueduct construction, which has the following beneficial effects: By installing track wheels at the bottom of the lower support seat, the movement of the entire trolley is facilitated by cooperating with the moving track. The upper support seat connected by adjusting the driving assembly can be used for height adjustment, and it can adapt to the construction of aqueducts of different depths. The two-way positioning assembly is provided in conjunction with the buffering and contacting assembly, so that when it comes to aqueducts of different widths, it can contact with its inner wall, which is convenient for construction workers and will not damage the inner wall. The storage and expansion assembly provided in the upper construction box can expand its usable area according to the different widths to facilitate construction by workers, and the protective mechanism plays a protective effect during construction. The present invention can be appropriately adjusted according to the depth and width of the aqueduct, so that manual construction can be carried out at different positions during construction. The structure is flexible and easy to store. At the same time, it is convenient to position the equipment in the aqueduct to avoid movement during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a front view of a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 2 It is a structural schematic diagram of an adjustment drive assembly in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 3 It is a structural schematic diagram of a bidirectional positioning assembly in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 4 It is a structural schematic diagram of a buffering and abutting assembly in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 5 It is a structural schematic diagram of a resistance reset assembly in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 6 It is a structural schematic diagram of a storage expansion component in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 7 It is a front view of a storage expansion component in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention; Figure 8 The present invention is a schematic structural diagram of a protective mechanism in a steel formwork trolley for aqueduct construction according to an embodiment of the present invention.

[0018] In the figure: 1. Lower support seat; 2. Track wheel; 3. Moving track; 4. Adjusting drive assembly; 5. Upper support seat; 6. Outer shell; 7. Buffering and abutting assembly; 8. Support column; 9. Upper construction box; 10. Storage and expansion assembly; 11. Protection mechanism; 12. Connecting support rod 1; 13. Connecting support rod 2; 14. Movable shaft; 15. Side sliding wheel 1; 16. C-shaped guide rail 1; 17. Rotating block 1; 18. C-shaped guide rail 2; 19. Side sliding wheel 2; 20. Horizontal connecting shaft; 21. Rotating block 2; 22. Support block; 23. Forward and reverse motor; 24. Screw rod; 25. Sliding block; 26. Bidirectional positioning assembly; 27. Horizontal tooth plate 1; 28. Horizontal tooth plate 2; 29. ​​Support column ; 30. Gear; 31. Motor; 32. Guide wheel; 33. Rolling groove; 34. Inner cavity support block; 35. Opening; 36. Arc-shaped resistance rubber block; 37. Support block one; 38. Support block two; 39. Upper arc-shaped rubber plate; 40. Lower arc-shaped rubber plate; 41. Guide sleeve; 42. Connecting column; 43. Spring; 44. Side support platform; 45. Support rod one; 46. Rotating connecting block; 47. Support rod two; 48. Fan-shaped tooth plate; 49. Connecting rod one; 50. Connecting rod two; 51. Double-sided tooth plate; 52. Hydraulic telescopic rod; 53. Protective main board; 54. Mounting slot; 55. Soft rubber frame; 56. Protective net; 57. Mounting hole; 58. Bolt; 59. Middle expansion platform. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-8 The present invention provides a steel formwork trolley for aqueduct construction, comprising a lower support seat 1, a track wheel 2 is installed at the bottom of the lower support seat 1, and a movable track 3 matching the track wheel 2 is installed below the lower support seat 1. The track wheel 2 is installed at the bottom of the lower support seat 1, and the movable track 3 is used to facilitate the movement of the entire trolley. An upper support seat 5 is installed on the lower support seat 1 through an adjustable driving component 4. The upper support seat 5 connected by the adjustable driving component 4 can be used for height adjustment, and can adapt to the construction of aqueducts of different depths. An outer shell 6 is fixedly installed at the top center of the upper support seat 5, and a bidirectional positioning component 26 is installed in the outer shell 6. Both ends of the bidirectional positioning component 26 are connected with a buffering and resisting component 7. By setting the bidirectional positioning component 26 in cooperation with the buffering and resisting component 7, the aqueducts of different widths can be resisted with their inner walls, which is convenient for construction workers to construct and will not damage the inner walls. The top of the upper support seat 5 is connected to an upper construction box 9 through four groups of support columns 8. A storage and expansion component 10 is installed in the upper construction box 9. A protective mechanism 11 is installed on the storage and expansion component 10. The storage and expansion component 10 arranged in the upper construction box 9 can expand its use area according to different widths to facilitate workers' construction, and the protective mechanism 11 plays a protective effect during construction.

[0021] In one embodiment, please refer to the attached manual. Figure 2As shown, the adjustment drive assembly 4 includes two connecting support rods 12 and two connecting support rods 13, and the adjacent connecting support rods 12 and connecting support rods 13 are movably connected through a movable shaft 14, the tops of the connecting support rods 13 are rotatably connected with side sliding wheels 15, and the bottom of the upper support seat 5 is symmetrically provided with C-shaped guide rails 16 matching the side sliding wheels 15, the top of the connecting support rod 12 is rotatably connected to the bottom of the upper support seat 5 through a rotating block 17, and the bottom top of the connecting support rod 13 is rotatably connected to the top surface of the lower support seat 1 through a rotating block 21. The bottom end of the connecting support rod 12 is rotatably connected with a transverse connecting shaft 20, and the two ends of the transverse connecting shaft 20 are rotatably installed with side sliding wheels 19, and the lower support seat 1 is symmetrically installed with C-shaped guide rails 18 matching the side sliding wheels 19, and the lower support seat 1 is symmetrically installed with support blocks 22, and the outer wall of one of the support blocks 22 is installed with a forward and reverse motor 23, and the output end of the forward and reverse motor 23 is connected with a screw rod 24 rotatably connected with the other support block 22, and the screw rod 24 is threadedly penetrated with a sliding block 25, and the transverse connecting shaft 20 is fixedly penetrated through the sliding block 25. The forward and reverse motor 23 is provided to drive the screw rod 24 to rotate, so that the sliding block 25 moves, pushing the transverse connecting shaft 20 and the side sliding wheels 19 at both ends thereof to slide on the C-shaped guide rail 18, thereby driving the connecting support rod 12 to open, and the opening of the connecting support rod 12 will drive the connecting support rod 2 13 to open in the same way as above, thereby realizing the adjustment of the height between the upper support seat 5 and the lower support seat 1 to adapt to aqueducts of different depths.

[0022] In one embodiment, please refer to the attached manual. Figure 3 As shown, the bidirectional positioning assembly 26 includes a motor 31 fixed at the top center of the outer shell 6, the output end of the motor 31 is connected to a gear 30 extending into the outer shell 6, and a transverse tooth plate 1 27 and a transverse tooth plate 2 28 are respectively provided on both sides of the gear 30, and one end of the transverse tooth plate 1 27 and the transverse tooth plate 2 28 is movably penetrated by a support column 29, and the other end of the transverse tooth plate 1 27 and the transverse tooth plate 2 28 extends to the outside of the outer shell 6, one end of the support column 29 is fixed in the outer shell 6, and the outer wall of the transverse tooth plate 1 27 and the transverse tooth plate 28 is provided with a rolling groove 33, and a guide wheel 32 is provided in the rolling groove 33, and the guide wheel 32 is installed on the inner side wall of the outer shell 6. The motor 31 is provided to drive the gear 30 to rotate, so that the transverse tooth plate 1 27 and the transverse tooth plate 2 28 move in opposite directions and extend out from the outer shell 6. The support column 29, the guide wheel 32, and the rolling groove 33 realize the smooth movement of the transverse tooth plate 1 27 and the transverse tooth plate 2 28.

[0023] In one embodiment, please refer to the attached manual. Figure 4-5 As shown, the buffering and resisting assembly 7 includes an inner cavity support block 34, one side of the inner cavity support block 34 is provided with an opening 35, one side of the opening 35 is provided with an arc-shaped resisting rubber block 36, the inner side of the arc-shaped resisting rubber block 36 is integrally connected with a support block 1 37, the inner side wall of the inner cavity support block 34 is provided with a support block 2 38, a resisting and resetting assembly is connected between the support block 2 38 and the support block 1 37, the resisting and resetting assembly includes an upper arc-shaped rubber plate 39 and a lower arc-shaped rubber plate 40 between the fixed block support block 1 37 and the support block 2 38, a guide sleeve 41 is provided between the upper arc-shaped rubber plate 39 and the lower arc-shaped rubber plate 40, the upper and lower ends of the guide sleeve 41 are provided with connecting columns 42 connected to the upper arc-shaped rubber plate 39 and the lower arc-shaped rubber plate 40, and a spring 43 is connected between the connecting columns 42. When the conflict occurs, the conflict force on the arc-shaped conflict rubber block 36 will be transmitted to the support block 1 37 first, and then transmitted to the upper arc-shaped rubber plate 39 and the lower arc-shaped rubber plate 40 through the support block 1 37, so that they are deformed (the curvature of the two arc-shaped plates becomes larger), thereby pulling the two connecting columns 42 in the guide sleeve 41 outward a part, and the spring 43 is reset to generate a reverse force to prevent the conflict force from damaging the inner wall of the aqueduct.

[0024] In one embodiment, please refer to the attached manual. Figure 6-7 As shown, the storage and expansion assembly 10 includes a middle expansion platform 59 and side support platforms 44 located on both sides of the middle expansion platform 59, a support rod 1 45 is rotatably provided at the bottom of the side support platform 44, and the bottom end of the support rod 1 45 is installed on the inner wall of the upper construction box 9 through a rotating connecting block 46, and one side of the support rod 1 45 is provided with a support rod 2 47 rotatably connected to the side support platform 44, and the bottom end of the support rod 2 47 is fixedly connected to a fan-shaped tooth plate 48, and a connecting rod 1 49 is connected to the fan-shaped tooth plate 48 through a fixed axis, and the top of the connecting rod 1 49 is rotatably connected to a connecting rod 2 50, and the top of the connecting rod 2 50 is rotatably connected to the middle expansion platform 59, and a double-sided tooth plate 51 is meshed between the fan-shaped tooth plates 48, and the bottom of the double-sided tooth plate 51 is connected to a hydraulic telescopic rod 52 at the bottom of the upper construction box 9. During expansion, the double-sided toothed plate 51 is driven to rise by the hydraulic telescopic rod 52, thereby driving the two fan-shaped toothed plates 48 to rotate, so that the support rod 2 47 fixedly connected to the fan-shaped toothed plate 48 pushes the two side support platforms 44 to open to both sides, and the support rod 1 45 and the rotating connecting block 46 assist the side support platforms 44 to open to both sides. At the same time, the connecting rod 1 49 will push the middle expansion platform 59 to rise through the connecting rod 2 50 until the middle expansion platform 59 and the side support platforms 44 are on the same horizontal plane. At this time, the expansion work is completed. Otherwise, the middle expansion platform 59 is folded up and the two side support platforms 44 are close.

[0025] In one embodiment, please refer to the attached manual. Figure 8 As shown, the protection mechanism 11 includes a protection main board 53 symmetrically mounted on the side support platform 44, a mounting slot 54 is provided on the protection main board 53, a protection net 56 is installed between the protection main boards 53 through a soft rubber frame 55, mounting holes 57 are provided at both ends of the soft rubber frame 55, and bolts 58 matching the mounting holes 57 are provided on the protection main board 53. The soft rubber frame 55 can be fixed by inserting both ends of the soft rubber frame 55 into the mounting slot 54 and then threading the bolts 58 into the mounting holes 57. For disassembly, the bolts 58 can be rotated in the opposite direction. The soft rubber frame 55 and the protection net 56 are also convenient for winding up.

[0026] In actual application, the track wheel 2 is installed at the bottom of the lower support seat 1, and the movable track 3 is used to facilitate the movement of the entire trolley. The upper support seat 5 connected by the adjustable driving component 4 can be used for height adjustment, and it can adapt to the construction of aqueducts of different depths. The two-way positioning component 26 is provided to cooperate with the buffering and contacting component 7, so that when it comes to aqueducts of different widths, it can contact with its inner wall, which is convenient for construction personnel to construct and will not damage the inner wall. The storage and expansion component 10 arranged in the upper construction box 9 can expand its use area according to the width, which is convenient for workers to construct. The protective mechanism 11 plays a protective effect during construction. The present invention can be appropriately adjusted according to the depth and width of the aqueduct, so that manual construction can be carried out at different positions during construction. The structure is flexible and easy to store. At the same time, it is convenient to position the equipment in the aqueduct to avoid movement during construction.

[0027] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A steel formwork trolley for aqueduct construction, characterized in that: The invention comprises a lower support seat (1), a track wheel (2) being installed at the bottom of the lower support seat (1), a movable track (3) matching the track wheel (2) being installed below the lower support seat (1), an upper support seat (5) being installed on the lower support seat (1) by adjusting a driving assembly (4), an outer shell (6) being fixedly installed at the top center of the upper support seat (5), a bidirectional positioning assembly (26) being installed in the outer shell (6), both ends of the bidirectional positioning assembly (26) being connected to a buffering and abutting assembly (7), the top of the upper support seat (5) being connected to an upper construction box (9) via four groups of support columns (8), a storage and expansion assembly (10) being installed in the upper construction box (9), and a protective mechanism (11) being installed on the storage and expansion assembly (10).

2. The aqueduct construction steel formwork trolley according to claim 1, characterized in that: The adjustment drive assembly (4) comprises two connecting support rods (12) and two connecting support rods (13), and the adjacent connecting support rods (12) and connecting support rods (13) are movably connected via a movable shaft (14), the top of each connecting support rod (13) is rotatably connected to a side sliding wheel (15), the bottom of the upper support seat (5) is symmetrically provided with a C-shaped guide rail (16) matching the side sliding wheel (15), and the top of the connecting support rod (12) is rotatably connected to the bottom of the upper support seat (5) via a rotating block (17).

3. The aqueduct construction steel formwork trolley according to claim 2, characterized in that: The top of the bottom of the second connecting support rod (13) is rotatably connected to the top surface of the lower support seat (1) through a second rotating block (21); the bottom end of the first connecting support rod (12) is rotatably connected to a transverse connecting shaft (20); two side sliding wheels (19) are rotatably mounted on both ends of the transverse connecting shaft (20); and two C-shaped guide rails (18) matching the two side sliding wheels (19) are symmetrically mounted on the lower support seat (1).

4. The aqueduct construction steel formwork trolley according to claim 3, characterized in that: Support blocks (22) are symmetrically mounted on the lower support seat (1), a forward and reverse motor (23) is mounted on the outer wall of one of the support blocks (22), an output end of the forward and reverse motor (23) is connected to a screw rod (24) rotatably connected to the other support block (22), a sliding block (25) is threadedly penetrated through the screw rod (24), and the transverse connecting shaft (20) is fixedly penetrated through the sliding block (25).

5. The aqueduct construction steel formwork trolley according to claim 4, characterized in that: The bidirectional positioning assembly (26) comprises a motor (31) fixed at the top center of the outer shell (6), the output end of the motor (31) is connected to a gear (30) extending into the outer shell (6), and a transverse tooth plate 1 (27) and a transverse tooth plate 2 (28) are respectively provided on both sides of the gear (30), one end of the transverse tooth plate 1 (27) and the transverse tooth plate 2 (28) are movably penetrated by a support column (29), and the other ends of the transverse tooth plate 1 (27) and the transverse tooth plate 2 (28) extend outside the outer shell (6), one end of the support column (29) is fixed in the outer shell (6), and the outer walls of the transverse tooth plate 1 (27) and the transverse tooth plate 2 (28) are provided with a rolling groove (33), and a guide wheel (32) is provided in the rolling groove (33), and the guide wheel (32) is mounted on the inner side wall of the outer shell (6).

6. The aqueduct construction steel formwork trolley according to claim 5, characterized in that: The buffering and abutting assembly (7) comprises an inner cavity support block (34), one side of the inner cavity support block (34) is provided with an opening (35), one side of the opening (35) is provided with an arc-shaped abutting rubber block (36), the inner side of the arc-shaped abutting rubber block (36) is integrally connected with a first support block (37), an inner side wall of the inner cavity support block (34) is provided with a second support block (38), and a abutting resetting assembly is connected between the second support block (38) and the first support block (37).

7. The aqueduct construction steel formwork trolley according to claim 6, characterized in that: The abutment reset assembly comprises an upper arc-shaped rubber plate (39) and a lower arc-shaped rubber plate (40) between the fixed block, the support block 1 (37) and the support block 2 (38); a guide sleeve (41) is provided between the upper arc-shaped rubber plate (39) and the lower arc-shaped rubber plate (40); connecting columns (42) connected to the upper arc-shaped rubber plate (39) and the lower arc-shaped rubber plate (40) are provided at the upper and lower ends of the guide sleeve (41); and springs (43) are connected between the connecting columns (42).

8. The aqueduct construction steel formwork trolley according to claim 7, characterized in that: The storage expansion assembly (10) comprises a middle expansion platform (59) and side support platforms (44) located on both sides of the middle expansion platform (59); a support rod 1 (45) is rotatably provided at the bottom of the side support platform (44); the bottom end of the support rod 1 (45) is mounted on the inner wall of the upper construction box (9) via a rotatable connecting block (46); a support rod 2 (47) rotatably connected to the side support platform (44) is provided on one side of the support rod 1 (45); The bottom end is fixedly connected to a fan-shaped tooth plate (48), and the fan-shaped tooth plate (48) is connected to a connecting rod 1 (49) via a fixed shaft. The top of the connecting rod 1 (49) is rotatably connected to a connecting rod 2 (50), and the top of the connecting rod 2 (50) is rotatably connected to the middle expansion platform (59). A double-sided tooth plate (51) is meshed between the fan-shaped tooth plates (48), and the bottom of the double-sided tooth plate (51) is connected to a hydraulic telescopic rod (52) at the bottom of the upper construction box (9).

9. The aqueduct construction steel formwork trolley according to claim 8, characterized in that: The protection mechanism (11) comprises a protection main board (53) symmetrically mounted on a side support platform (44), the protection main board (53) being provided with a mounting groove (54), a protection net (56) being mounted between the protection main boards (53) via a soft rubber frame (55), mounting holes (57) being provided at both ends of the soft rubber frame (55), and bolts (58) matching the mounting holes (57) being provided on the protection main board (53).

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