Temporary supporting device of bridge structure

Abstract

The utility model provides a temporary support device of a bridge structure, its structure includes: support net rack, I-shaped steel member and connecting subassembly, a plurality of support net rack is detachably arranged at the bottom of I-shaped steel member, and the both ends of connecting subassembly are respectively located on adjacent I-shaped steel member and are detachably connected with I-shaped steel member. According to the temporary supporting device, the supporting face is formed through the detachable connecting assemblies and the I-shaped steel components, the detachable supporting net rack adapts to the height requirements of different working conditions, the temporary supporting device convenient to disassemble, assemble and adjust the height is formed, the structural components of the temporary supporting device can be manufactured in a batched and shaped mode and used in a turnover mode, the construction efficiency can be effectively improved, and manpower and material losses are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a temporary supporting device for a bridge structure. Background Art

[0002] The temporary support device of the bridge structure is a key component in bridge engineering. It is used to temporarily support various components of the bridge structure, facilitate the subsequent connection and fixation of various components in the bridge structure, and ensure the stability and safety of the overall bridge structure.

[0003] Traditional temporary support devices are constructed by welding brackets and I-shaped steel, which makes it difficult to disassemble after use, thereby increasing material loss and manpower consumption, delaying the construction period, and affecting project delivery. Utility Model Content

[0004] The purpose of the utility model is to provide a temporary supporting device for a bridge structure to solve the problems in the above background.

[0005] The technical solution of the utility model includes: a temporary support device for a bridge structure, which includes: a support grid, an I-shaped steel member and a connecting assembly, a plurality of the support grids are detachably arranged at the bottom of the I-shaped steel member, and the two ends of the connecting assembly are respectively located on adjacent I-shaped steel members and are detachably connected to the I-shaped steel members.

[0006] Preferably, a first plug rod is provided on one side of the long end of the I-shaped steel member, and a first slot adapted to the first plug rod is provided on the other side, and the first plug rod and the first slot on adjacent I-shaped steel members are connected.

[0007] Preferably, the connecting assembly includes a first connecting plate and a first locking piece, and a first mounting groove and a second mounting groove are respectively provided on both sides of the long end of the I-shaped steel component, and the two ends of the first connecting plate are respectively installed in the first mounting groove and the second mounting groove of different I-shaped steel components and fixed by the first locking piece.

[0008] Preferably, the side walls of the first installation groove and the second installation groove are provided with second slots, the side wall of the first connecting plate is provided with a second plugging rod, and the second plugging rod is installed in the second slots.

[0009] Preferably, the connecting assembly includes a first connecting block, a second connecting block and a second locking piece, the first connecting block and the second connecting block are respectively arranged on both sides of the long end of the I-shaped steel member, a first plug block is provided on the side of the first connecting block, and a third slot is provided on the side of the second connecting block, the first plug block is installed in the third slot and fixed by the second locking piece.

[0010] Preferably, the first connecting block and the second connecting block are U-shaped, one end plate of which is inserted into the circular piece, and the other end plate is fixed to the circular piece by a third locking piece. The side wall of the circular piece is provided with a second connecting plate, and the second connecting plate is installed on the I-shaped steel member.

[0011] Preferably, the supporting grid comprises cross bars, vertical bars, corner pieces and diagonal braces, the cross bars and the corner pieces are arranged at intervals and connected to form support rings, the vertical bars pass through the corner pieces to connect different support rings, and the diagonal braces are cross-distributed and connect adjacent support rings.

[0012] Preferably, a fourth slot is provided on the corner piece, a second plug block is provided at the end of the cross bar, the second plug block is installed in the fourth slot and is fixed by a third plug block that passes through a side wall of the fourth slot.

[0013] Preferably, a third connecting plate is provided on the top of the third plug block, a handle and a third plug rod are provided on the upper and lower sides of the third connecting plate respectively, a return spring is sleeved on the outside of the third plug rod, and the bottom of the return spring abuts against the limiting plate.

[0014] Preferably, each of the vertical poles comprises a plurality of short poles and an annular hoop, wherein the annular hoop is sleeved at the connection between adjacent short poles and pressed tightly against the side walls of the short poles.

[0015] The beneficial effect of the utility model is that a support surface is formed by a detachable connecting assembly and an I-shaped steel member, and the detachable support grid can adapt to the height requirements of different working conditions, forming a temporary support device that is easy to disassemble and adjust in height, and its structural components can be mass-produced and used in a turnover manner, which can effectively improve construction efficiency and reduce manpower and material losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection of the I-shaped steel member in the embodiment of the utility model;

[0018] Figure 3 This utility model embodiment is attached Figure 2 A magnified view of the structure at center;

[0019] Figure 4 It is a structural diagram of the first connecting block and the second connecting block in an embodiment of the utility model;

[0020] Figure 5 It is a structural diagram of the supporting grid in the embodiment of the utility model;

[0021] Figure 6It is a structural diagram of the third plug block and the third connecting plate in the embodiment of the utility model;

[0022] Figure 7 It is a structural diagram of the crossbar and the corner piece in the embodiment of the utility model.

[0023] In the figure:

[0024] 10. I-shaped steel member; 11. first slot; 12. first mounting slot; 13. second mounting slot; 14. second slot;

[0025] 20. First insertion rod;

[0026] 30. Connecting assembly; 31. First connecting plate; 32. First locking member; 33. Second plug rod; 34. First connecting block; 34a. First plug block; 35. Second connecting block; 35a. Third slot; 36. Second locking member; 37. Reciprocating member; 38. Second connecting plate; 39. Third locking member;

[0027] 40. Support grid; 41. Crossbar; 42. Vertical bar; 42a. Short bar; 42b. Annular hoop; 43. Corner piece; 43a. Fourth slot; 43b. First mounting hole; 43c. Second mounting hole; 44. Diagonal brace; 45. Second plug-in block; 45a. Fifth slot; 46. Third plug-in block; 47. Third connecting plate; 48. Handle;

[0028] 50. The third insertion rod;

[0029] 60. Return spring;

[0030] 70. Limit plate. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0034] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0035] Reference Figure 1-7 The embodiment of the utility model provides a temporary support device for a bridge structure, which includes: an I-shaped steel member 10, a connection assembly 30 and a support grid 40. The long ends of each I-shaped steel member 10 are connected to form a temporary support surface of the bridge structure. The two ends of the connection assembly 30 are respectively located on adjacent I-shaped steel members 10 and are detachably connected to the I-shaped steel members 10 to improve the connection stability of the connection part and the convenience of later disassembly; it is used to connect adjacent I-shaped steel members 10. Several support grids 40 are detachably arranged at the bottom of the I-shaped steel member 10 to raise the height of the I-shaped steel member 10 to the installation height of the bridge structure, which is convenient for the later alignment connection between the various structures of the bridge.

[0036] The present embodiment provides a detachable connecting assembly 30 of an I-shaped steel member 10 and a detachable supporting grid 40 at the bottom thereof, abandoning the traditional method of using welding to construct a temporary supporting device for a bridge structure. The required I-shaped steel member 10, connecting assembly 30 and supporting grid 40 can all be manufactured in a standardized manner and transported to the construction site. On-site assembly and disassembly are very simple, which can effectively improve construction efficiency and reduce unnecessary material loss, greatly improve the economy of the project and ensure the construction period.

[0037] Reference Figure 1 , a first plug rod 20 is provided on one side of the long end of the I-shaped steel member 10, and a first slot 11 adapted to the first plug rod 20 is provided on the other side, and the first plug rods 20 and the first slots 11 on adjacent I-shaped steel members 10 are connected. When connecting the I-shaped steel members 10, the I-shaped steel members 10 are arranged in the same direction and in the same line, that is, the first plug rods 20 on different I-shaped steel members 10 are in the same direction, the first slots 11 are also in the same direction, and adjacent I-shaped steel members 10 are located on the same straight line, so that the first plug rod 20 can be installed in the first slot 11, and the I-shaped steel members 10 can be initially aligned and connected, so as to ensure that the temporary support surface formed by the connection of the I-shaped steel members 10 is continuous and flat.

[0038] The first insertion rod 20 can be arranged on the wing plate or the web plate of the I-shaped steel member 10 according to actual use requirements, and its shape can also be configured as a cylindrical rod, a square rod or other rod shapes according to actual needs.

[0039] The connection assembly 30 for fixing adjacent I-shaped steel members 10 can be configured in a variety of different forms according to actual use requirements, and may include any one or more of the following feasible solutions, as long as the I-shaped steel members 10 can be tightly and stably connected.

[0040] The connection assembly 30 may include a first connection plate 31 and a first locking member 32. The long ends of the outer side of the wing plate of the I-shaped steel member 10 are respectively provided with a first mounting groove 12 and a second mounting groove 13. The two ends of the first connection plate 31 are respectively installed in the first mounting groove 12 and the second mounting groove 13 of different I-shaped steel members 10 and fixed by the first locking member 32. When connecting the I-shaped steel member 10, the first insertion rod 20 and the first slot 11 are first connected to complete the preliminary alignment connection. At this time, the first mounting groove 12 and the second mounting groove 13 are combined to form a groove-shaped structure capable of accommodating the first connection plate 31. Then, the first connection plate 31 is placed thereon and fastened by the first locking member 32.

[0041] In order to improve the connection stability, a second slot 14 may be provided on the side wall of the first installation groove 12 and the second installation groove 13, and a second insertion rod 33 may be provided on the side wall of the first connecting plate 31, and the second insertion rod 33 may be installed in the second slot 14. In this way, the first connecting plate 31 and the first locking member 32 provide a connection force for longitudinally connecting the I-shaped steel member 10, and the second insertion rod 33 and the second slot 14 provide a connection force for transversely connecting the I-shaped steel member 10, which can effectively improve the connection stability between the first connecting plate 31 and the I-shaped steel member 10 and the adjacent I-shaped steel member 10.

[0042] Reference Figure 2-4 The connection assembly 30 may also include a first connection block 34, a second connection block 35 and a second locking member 36. The first connection block 34 and the second connection block 35 are respectively arranged on both sides of the long end of the I-shaped steel member 10. The side of the first connection block 34 is provided with a first plug block 34a, and the side of the second connection block 35 is provided with a third slot 35a. The first plug block 34a is installed in the third slot 35a and is fixed by the second locking member 36. Similar to the first connection plate 31, the first connection block 34 and the second connection block 35 can provide a lateral connection force for the adjacent I-shaped steel members 10 to ensure the stability of their connection and facilitate disassembly.

[0043] The first connecting block 34 and the second connecting block 35 can be integrally formed with the I-shaped steel member 10, fixedly connected or detachably connected, and can be installed on the inner side of the wing plate or the web of the I-shaped steel member 10, which is not specifically limited here.

[0044] In some feasible embodiments, the first connecting block 34 and the second connecting block 35 can be configured into a U shape, a detachable circular piece 37 is configured on the I-shaped steel member 10, a second connecting plate 38 is set on the side wall of the circular piece 37, the second connecting plate 38 is fixed to the I-shaped steel member 10, one end plate of the first connecting block 34 is passed through the circular piece 37, and the other end plate is fixed to the circular piece 37 by a third locking piece 39 (the second connecting block 35 is connected to the circular piece 37 in the same way), so as to facilitate the installation and construction of the temporary support device.

[0045] The first locking member 32, the second locking member 36 and the third locking member 39 can all be made of high-strength bolts, and threaded holes are adaptively provided on the structures connected thereto.

[0046] Reference Figure 5-7 The support grid 40 includes a cross bar 41, a vertical bar 42, a corner piece 43 and a diagonal brace 44. The cross bar 41 and the corner piece 43 are arranged at intervals and connected to form a support ring. The vertical bar 42 passes through the corner piece 43 to connect different support rings to form the support grid 40, and the top of the vertical bar 42 can be threadedly connected to the I-shaped steel member 10 for easy installation and disassembly; the diagonal braces 44 are cross-distributed and connect adjacent support rings to improve the stability of the support grid 40.

[0047] Among them, the corner piece 43 is provided with two fourth slots 43a with openings facing horizontally, and the opening directions of the two fourth slots 43a are perpendicular to each other. A second plug block 45 is provided at the end of the cross bar 41, and the second plug block 45 is installed in the fourth slot 43a and fixed by a third plug block 46 that passes through a side wall of the fourth slot 43a.

[0048] The top surface of the corner piece 43 is provided with a first mounting hole 43b, and a second mounting hole 43c is provided on both sides of the first mounting hole 43b, a fifth slot 45a is provided on the top of the second plug block 45, and a third connecting plate 47 is provided on the top of the third plug block 46. The third connecting plate 47 is engaged with the top surface of the corner piece 43, and a handle 48 and a third plug rod 50 are provided on the upper and lower sides of the third connecting plate 47, respectively. The third plug block 46 matches the position and shape of the first mounting hole 43b, and the third plug rod 50 matches the position and shape of the second mounting hole 43c. A return spring 60 is sleeved on the outside of the third plug rod 50, and the bottom of the return spring 60 abuts against a limit plate 70, and the radial dimension of the limit plate 70 is larger than the second mounting hole 43c. When configuring, the limit plate 70 can be screwed with the third plug rod 50, or the third plug rod 50 can be connected with the third connecting plate 47, so that the third plug rod 50 passes through the second mounting hole 43c and the limit plate 70 and is installed in the fourth slot 43a. When in use, pull the handle 48 to lift the third connecting plate 47, the third plug rod 50, the third limit plate 70 and the third plug block 46, install the second plug block 45 in the fourth slot 43a, and then release the handle 48. Under the action of the reset spring 60, the third plug block 46 is reset and inserted into the fifth slot 45a on the second plug block 45 to complete the connection. Under the tightening action of the reset spring 60, the connection is firm and not easy to loosen.

[0049] To facilitate the adjustment of the height of the I-shaped steel member 10, each vertical pole 42 includes a plurality of short poles 42a and an annular hoop 42b. The annular hoop 42b is sleeved at the connection between adjacent short poles 42a and is tightly pressed against the side wall of the short pole 42a. The annular hoop 42b can be a detachable pipe hoop (existing technology). By changing the number of short poles 42a, the total length of the vertical pole 42 can be adjusted, that is, the height of the supporting grid 40 can be adjusted to adapt to different working conditions.

[0050] Compared with the prior art, the beneficial effects of the present invention are as follows: a temporary support surface is formed by a detachable connecting assembly 30 and an I-shaped steel member 10, and a detachable support grid 40 adapts to the height requirements of different working conditions, forming a temporary support device that is easy to disassemble and adjust in height, and its structural components can be mass-produced and used in a rotational manner, which can effectively improve construction efficiency and reduce manpower and material losses.

[0051] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A temporary support device for a bridge structure, characterized in that: include: Support grids, I-shaped steel members and connection components, wherein a plurality of the support grids are detachably arranged at the bottom of the I-shaped steel members, and two ends of the connection components are respectively located on adjacent I-shaped steel members and are detachably connected to the I-shaped steel members.

2. The temporary support device for a bridge structure according to claim 1, characterized in that: A first plug rod is provided on one side of the long end of the I-shaped steel member, and a first slot adapted to the first plug rod is provided on the other side, and the first plug rod and the first slot on the adjacent I-shaped steel members are connected.

3. The temporary support device for a bridge structure according to claim 1, characterized in that: The connecting assembly includes a first connecting plate and a first locking piece. A first mounting groove and a second mounting groove are respectively provided on both sides of the long end of the I-shaped steel component. The two ends of the first connecting plate are respectively installed in the first mounting groove and the second mounting groove of different I-shaped steel components and are fixed by the first locking piece.

4. The temporary support device for a bridge structure according to claim 3, characterized in that: The side walls of the first installation groove and the second installation groove are provided with second slots, the side wall of the first connecting plate is provided with a second plugging rod, and the second plugging rod is installed in the second slots.

5. The temporary support device for a bridge structure according to claim 1, characterized in that: The connecting assembly includes a first connecting block, a second connecting block and a second locking piece. The first connecting block and the second connecting block are respectively arranged on both sides of the long end of the I-shaped steel member. A first plug block is arranged on the side of the first connecting block, and a third slot is arranged on the side of the second connecting block. The first plug block is installed in the third slot and is fixed by the second locking piece.

6. The temporary support device for a bridge structure according to claim 5, characterized in that: The first connecting block and the second connecting block are U-shaped, one end plate of which is inserted into the circular piece, and the other end plate is fixed to the circular piece by a third locking piece. The side wall of the circular piece is provided with a second connecting plate, and the second connecting plate is installed on the I-shaped steel member.

7. The temporary support device for a bridge structure according to any one of claims 1 to 6, characterized in that: The support grid includes cross bars, vertical bars, corner pieces and diagonal braces. The cross bars and the corner pieces are arranged at intervals and connected to form support rings. The vertical bars penetrate the corner pieces to connect different support rings. The diagonal braces are cross-distributed and connect adjacent support rings.

8. The temporary support device for a bridge structure according to claim 7, characterized in that: A fourth slot is provided on the corner piece, a second plug block is provided at the end of the cross bar, the second plug block is installed in the fourth slot and is fixed by a third plug block that passes through a side wall of the fourth slot.

9. The temporary support device for a bridge structure according to claim 8, characterized in that: A third connecting plate is provided on the top of the third plug block, a handle and a third plug rod are provided on the upper and lower sides of the third connecting plate respectively, a return spring is sleeved on the outside of the third plug rod, and the bottom of the return spring abuts against the limit plate.

10. The temporary support device for a bridge structure according to claim 8 or 9, characterized in that: Each of the vertical poles comprises a plurality of short poles and an annular hoop. The annular hoop is sleeved at the connection between the adjacent short poles and is tightly pressed against the side walls of the short poles.

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