Temporary supporting device of steel structure bridge and low-carbon construction method

Abstract

The invention discloses a temporary supporting device of a steel structure bridge and a low-carbon construction method, and relates to the technical field of building bridge construction equipment.The temporary supporting device comprises a mounting base, a height adjusting unit, a stand column connecting unit and a steel structure bridge fixing unit, and the four corners of the lower side surface of the mounting base are each fixedly connected with a stable supporting leg; a height adjusting unit is arranged on the upper side of the mounting base, a stand column connecting unit is arranged on a height adjusting plate in the height adjusting unit, and a steel structure bridge fixing unit is arranged on a fixed main beam in the stand column connecting unit. The height adjusting unit comprises an adjusting fixing shell, a jack fixing base, a hydraulic jack, a sliding cylinder and a height adjusting plate, the temporary supporting device generally has the problems that materials are saved, construction carbon emission is reduced, the mounting and dismounting efficiency is improved, the repeated utilization rate is improved and the like, and the requirements of green construction and rapid construction can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of building bridge construction equipment, and in particular to a temporary support device for a steel structure bridge and a low-carbon construction method. Background Art

[0002] Steel structure bridges are widely used in modern bridge construction due to their high strength, light weight, and fast construction speed. However, during the construction process of steel structure bridges, especially those with large spans or high piers, temporary support devices are required to ensure structural stability. At present, the industry generally uses steel pipe supports, Bailey beams, or customized steel trusses as temporary supports, but these technologies have problems such as high material consumption, high carbon emissions, and low installation efficiency. With the promotion of the concept of green construction, how to reduce the resource consumption and environmental impact of temporary support devices has become a technical difficulty. In order to facilitate the support of steel structure bridges, a temporary support device for steel structure bridges is needed.

[0003] Existing temporary support devices and low-carbon construction methods for steel structure bridges have common problems such as serious material waste, high construction carbon emissions, low installation and disassembly efficiency, and insufficient reuse rate, making it difficult to meet the needs of green construction and rapid construction. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a temporary support device and a low-carbon construction method for steel structure bridges. Temporary support devices generally have the problems of saving materials, reducing construction carbon emissions, improving installation and disassembly efficiency, and increasing reuse rate. It can meet the needs of green construction and rapid construction, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a temporary support device for a steel structure bridge, comprising a mounting base, a height adjustment unit, a column connection unit, and a steel structure bridge fixing unit; Mounting base: A stable support leg is fixedly connected to each of the four corners of the lower surface. A height adjustment unit is provided on the upper side of the mounting base. A column connection unit is provided on the height adjustment plate of the height adjustment unit. A steel structure bridge fixing unit is provided on the fixed main beam of the column connection unit. Height adjustment unit: includes an adjustment fixed shell, a jack fixed seat, a hydraulic jack, a sliding cylinder and a height adjustment plate, the upper surface of the mounting base is fixedly connected to an adjustment fixed shell, the upper surface of the adjustment fixed shell is provided with two equally spaced rectangular holes, the position between the two rectangular holes in the adjustment fixed shell is fixedly connected to two equally spaced sliding cylinders, the lower end surface of the adjustment fixed shell is fixedly connected to a jack fixed seat at a position between the two sliding cylinders, the jack fixed seat is provided with a holding groove, the holding groove is provided with a pressure jack, the extended end of the pressure jack is fixedly engaged with the height adjustment plate, the height adjustment plate is provided with two sliding holes, the sliding holes on the height adjustment plate are slidably connected to the corresponding sliding cylinders, and the input end of the hydraulic jack is electrically connected to the output end of the external power supply through an external control switch group.

[0006] The mounting base is used for assembling the device, the stabilizing support legs are used for supporting, the height adjustment unit is used for adjusting the height, the column connection unit is used for assembly to install the device, the steel structure bridge fixing unit is used for fixing and supporting the external steel structure bridge, the adjustment fixing shell is used to fix the jack fixing seat, the jack fixing seat is used to fix the hydraulic jack, the hydraulic jack is started to adjust the height, which is convenient for adjustment, and the sliding cylinder is used to make the height adjustment plate move more stably, and the height adjustment plate is used to adjust the position of the support column, thereby adjusting the height, which is convenient for use, and thereby for supporting use.

[0007] Furthermore, the height adjustment unit also includes a jack clamping frame, and the upper side of the jack fixing seat is fixedly connected to a jack clamping frame at the left and right sides of the hydraulic jack. The two jack clamping frames are connected to the clamping plates through electric push rods, and the two clamping plates correspond to the hydraulic jacks.

[0008] The jack clamp is used to clamp the hydraulic jack to make the hydraulic jack more stable and convenient for disassembly and assembly, thereby fixing the device and facilitating height adjustment.

[0009] Furthermore, the height adjustment unit also includes an inspection door panel, an inspection hole is opened on the front side of the adjustment fixed shell, the inspection hole is fixedly connected to the inspection door panel by bolts, and a pulling handrail is provided on the front side of the inspection door panel.

[0010] The inspection door panel is used to protect the internal hydraulic jack for protection and to facilitate inspection and use.

[0011] Furthermore, the column connecting unit includes a supporting column, a fixed clamping block and a limit strip. A supporting column is respectively provided in the two rectangular holes on the adjustment and fixing shell. The lower ends of the two supporting columns are respectively fixedly connected to two equally spaced fixed clamping blocks. A bolt is respectively provided at the four corners of the height adjustment plate, and each bolt is respectively clamped with the corresponding fixed clamping block. The supporting column is clamped with the height adjustment plate through the bolts, and a limit strip is respectively provided on the upper surface of the height adjustment plate at the left and right sides of the two supporting columns.

[0012] The support column is used to support and fix the main beam, the fixed clamping block is used to fix the support column on the height adjustment plate, and the limit strip is used to limit the position to make the support column more stable.

[0013] Furthermore, the column connection unit also includes a connecting rectangular plate, a fastening bolt and a fixed main beam. The upper ends of the two supporting columns are respectively fixedly connected to a connecting rectangular plate, and a fastening bolt is provided at the four corners of each connecting rectangular plate. A fixed main beam is provided on the upper side of the two connecting rectangular plates, and the fastening bolts on each connecting rectangular plate are threadedly connected to the screw holes on the corresponding fixed main beam.

[0014] The connecting rectangular plate is used to fix the fixed main beam, which is used to support the steel structure bridge. The fastening bolts are used to fix the fixed main beam on the connecting rectangular plate, thereby quickly connecting the fixed main beam for use.

[0015] Furthermore, the column connection unit also includes a hinge, a diagonal support plate and a movable connection hinge. Two movable connection hinges are provided on the lower surface of the fixed main beam. The two movable connection hinges are movably connected to one end of the corresponding diagonal support plate, and the other ends of the two diagonal support plates are movably connected to the corresponding hinges respectively. The two hinges are respectively fixedly connected to the corresponding supporting columns.

[0016] The hinge is used to fix one end of the diagonal brace plate to fix one end of the diagonal brace plate on the supporting column, and the movable hinge is used to fix the other end of the diagonal brace plate on the fixed main beam to fix the diagonal brace plate. The diagonal brace plate is used to provide lateral stability, and the hinged design allows slight deformation to release stress, thereby providing support.

[0017] Furthermore, the steel structure bridge fixing unit includes an arc-shaped fixing column, a connecting flange and a fixing column. The left and right ends of the fixed main beam are respectively fixedly connected to an arc-shaped fixing column. Each arc-shaped fixing column is respectively provided with a connecting flange. Each connecting flange is respectively provided with four circular arrays of fixing columns. The two connecting flanges are connected to the external steel structure bridge through the fixing columns.

[0018] The arc-shaped fixing column is used to fix the connecting flange, the connecting flange is used to fix the supporting steel structure bridge for installing the steel structure bridge, and the fixed plug column is used for quick assembly to install the steel structure bridge.

[0019] Furthermore, the steel structure bridge fixing unit also includes a limit pin, and a limit pin is respectively provided at the four upper corners of the fixed main beam.

[0020] The limit pins are used to limit the position of the steel structure bridge to facilitate the fixed support of the steel structure bridge. The steel structure bridge is preliminarily aligned through the limit pins for fixed use.

[0021] Furthermore, the steel structure bridge fixing unit also includes a height detection sensor, which is provided at a position between the fixed main beam and the upper side of the adjustable fixed shell. The height detection sensor is located in an electric position between two movable connecting hinges, and the input end of the height detection sensor is electrically connected to the output end of the external power supply through an external control switch group.

[0022] Height detection sensors are used to measure height, and hydraulic jacks adjust the support height according to sensor feedback to ensure accurate positioning of bridge segments for detection and use.

[0023] A low-carbon construction method for a temporary support device for a steel structure bridge comprises the following steps: The first step is to measure the steel structure bridge and determine the support points of the device; The second step is to use the lifting device to move the steel structure bridge and make the initial alignment between the steel structure bridge and the limit pins on the device; The third step is to assemble the device by connecting the units through the columns; The fourth step is to start the hydraulic jack after assembly and install the designed elevation to adjust the height to support and fix the steel structure bridge.

[0024] The mounting base is used to fix the installation and adjustment of the fixed shell, the adjustment fixed shell is used to fix the sliding cylinder, the sliding cylinder is used to make the height adjustment plate move more stably, and at the same time to fix the supporting column, the supporting column is used to fix the fixed main beam by bolts, the diagonal brace plate is used for support to release stress, the fixed main beam is used to support the external steel structure bridge, the connecting flange is used to fix the external steel structure bridge, the hydraulic jack is used to adjust the height to support the steel structure bridge for use, for support use.

[0025] Compared with the prior art, the present invention has the following beneficial effects: 1. The temporary support device and low-carbon construction method of the steel structure bridge have the following advantages: a height adjustment unit is provided, and the height can be adjusted by adjusting the fixed shell for fixing the jack fixing seat, the jack fixing seat is used to fix the hydraulic jack, and the hydraulic jack is activated to facilitate adjustment and use; the sliding cylinder is used to make the height adjustment plate move more stably, the height adjustment plate is used to adjust the position of the supporting column, the jack clamping frame is used to clamp the hydraulic jack to make the hydraulic jack more stable and convenient for disassembly and assembly; the inspection door panel is used to protect the internal hydraulic jack to adjust the height; 2. The temporary support device and low-carbon construction method of the steel structure bridge have the following advantages: a column connection unit is provided, the support column is used to support the fixed main beam, the fixed clamping block is used to fix the support column on the height adjustment plate, the limit strip is used to limit the position, so that the support column is fixed more stably, the connecting rectangular plate is used to fix the fixed main beam, the fixed main beam is used to support the steel structure bridge, the fastening bolt is used to fix the fixed main beam on the connecting rectangular plate, the hinge is used to fix one end of the diagonal brace plate, so that one end of the diagonal brace plate is fixed to the support column, the movable connecting hinge is used to fix the other end of the diagonal brace plate to the fixed main beam, so as to fix the diagonal brace plate, the diagonal brace plate is used to provide lateral stability, the hinged design allows a small deformation to release stress, thereby assembling and using it for quick installation; 3. The temporary support device and low-carbon construction method of the steel structure bridge have the following advantages: a steel structure bridge fixing unit is provided, an arc-shaped fixing column is used to fix the connecting flange, the connecting flange is used to fix and support the steel structure bridge, and is used for installing the steel structure bridge; the fixing plug column is used for rapid assembly; the limit pin column is used for limiting the position to fix the steel structure bridge, and is convenient for fixing and supporting the steel structure bridge; the steel structure bridge uses the limit pin column and the height detection sensor to measure the height; the hydraulic jack adjusts the support height according to the sensor feedback to install the steel structure bridge; 4. The temporary support device and low-carbon construction method of this steel structure bridge have the following advantages: temporary support devices generally save materials, reduce construction carbon emissions, improve installation and disassembly efficiency, and increase reuse rate, which can meet the needs of green construction and rapid construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the front structure of the present invention; Figure 2 This is a schematic diagram of the back cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of a partial cross-sectional structure of the side of the present invention; Figure 4 This is a schematic diagram of a partial cross-sectional structure of a fixed main beam of the present invention; Figure 5 It is a schematic diagram of a partial cross-sectional structure of the support column of the present invention.

[0027] In the figure: 1 mounting base, 2 stabilizing support legs, 3 height adjustment unit, 31 adjusting fixed shell, 32 inspection door panel, 33 jack fixing seat, 34 hydraulic jack, 35 jack clamping frame, 36 sliding cylinder, 37 height adjustment plate, 4 column connecting unit, 41 supporting column, 42 fixed clamping block, 43 limit strip, 44 hinge, 45 diagonal brace plate, 46 movable connecting hinge, 47 connecting rectangular plate, 48 fastening bolt, 49 fixed main beam, 5 steel structure bridge fixing unit, 51 arc-shaped fixed column, 52 connecting flange, 53 fixed plug column, 54 limit pin column, 55 height detection sensor. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-5 , this embodiment provides the following embodiments: Example 1: A temporary support device for a steel structure bridge, comprising a mounting base 1, a height adjustment unit 3, a column connection unit 4 and a steel structure bridge fixing unit 5; Mounting base 1: A stabilizing support leg 2 is fixedly connected to each of the four corners of the lower surface. A height adjustment unit 3 is provided on the upper side of the mounting base 1. A column connection unit 4 is provided on the height adjustment plate 37 of the height adjustment unit 3. A steel structure bridge fixing unit 5 is provided on the fixed main beam 49 of the column connection unit 4. The height adjustment unit 3: includes an adjustment fixing shell 31, a jack fixing seat 33, a hydraulic jack 34, a sliding cylinder 36 and a height adjustment plate 37. The upper side surface of the mounting base 1 is fixedly connected to an adjustment fixing shell 31. The upper side surface of the adjustment fixing shell 31 is provided with two equally spaced rectangular holes. The position between the two rectangular holes in the adjustment fixing shell 31 is fixedly connected to two equally spaced sliding cylinders 36. The lower end surface of the inner side surface of the adjustment fixing shell 31 is fixedly connected to a jack fixing seat 33 between the two sliding cylinders 36. A receiving groove is provided on the jack fixing seat 33, and a pressure jack 34 is provided in the receiving groove. The extended end of the pressure jack 34 is fixedly engaged with the height adjustment plate 37. Two sliding holes are provided on the height adjustment plate 37. The sliding holes on the height adjustment plate 37 are slidably connected to the corresponding sliding cylinders 36. The input end of the hydraulic jack 34 is electrically connected to the output end of the external power supply through the external control switch group.

[0030] The mounting base 1 is used for assembling the device, the stabilizing support leg 2 is used for supporting, the height adjusting unit 3 is used for adjusting the height, the column connecting unit 4 is used for assembling, and the steel structure bridge fixing unit 5 is used for fixing and supporting the external steel structure bridge, the adjusting fixing shell 31 is used to fix the jack fixing seat 33, the jack fixing seat 33 is used to fix the hydraulic jack 34, the hydraulic jack 34 is started to adjust the height, and it is convenient to adjust and use, the sliding cylinder 36 is used to make the height adjustment plate 37 move more stably, and the height adjustment plate 37 is used to adjust the position of the support column 41, thereby adjusting the height, which is convenient to use, and thereby supporting and use.

[0031] The height adjustment unit 3 also includes a jack clamping frame 35. The upper side of the jack fixing seat 33 is located on the left and right sides of the hydraulic jack 34, and a jack clamping frame 35 is fixedly connected to each of them. The two jack clamping frames 35 are connected to the clamping plates through electric push rods, and the two clamping plates correspond to the hydraulic jacks 34.

[0032] The jack clamping frame 35 is used to clamp the hydraulic jack 34 to make the hydraulic jack 34 more stable and convenient for disassembly and fixing. The fixing device is thus convenient for adjusting the height.

[0033] The height adjustment unit 3 further includes an inspection door panel 32 . An inspection hole is provided on the front side of the adjustment and fixing shell 31 . The inspection hole is fixedly connected to the inspection door panel 32 by bolts. A pull handrail is provided on the front side of the inspection door panel 32 .

[0034] The column connection unit 4 includes a supporting column 41, a fixed clamping block 42 and a limit strip 43. A supporting column 41 is respectively provided in the two rectangular holes on the adjustment and fixing shell 31. The lower ends of the two supporting columns 41 are respectively fixedly connected to two equally spaced fixed clamping blocks 42. A bolt is respectively provided at the four corners of the height adjustment plate 37. Each bolt is respectively clamped with the corresponding fixed clamping block 42. The supporting column 41 is clamped with the height adjustment plate 37 through the bolts. A limit strip 43 is respectively provided on the upper surface of the height adjustment plate 37 at the left and right sides of the two supporting columns 41.

[0035] The support column 41 is used to support and fix the main beam 49, the fixed clamping block 42 is used to fix the support column 41 on the height adjustment plate 37, and the limiting strip 43 is used to limit the position to make the support column 41 more stable.

[0036] The column connection unit 4 also includes a connecting rectangular plate 47, a fastening bolt 48 and a fixed main beam 49. The upper ends of the two supporting columns 41 are respectively fixedly connected to a connecting rectangular plate 47. A fastening bolt 48 is provided at the four corners of each connecting rectangular plate 47. A fixed main beam 49 is provided on the upper side of the two connecting rectangular plates 47. The fastening bolt 48 on each connecting rectangular plate 47 is threadedly connected to the screw hole on the corresponding fixed main beam 49.

[0037] The connecting rectangular plate 47 is used to fix the fixed main beam 49, which is used to support the steel structure bridge. The fastening bolts 48 are used to fix the fixed main beam 49 on the connecting rectangular plate 47, thereby quickly connecting the fixed main beam 49 for use.

[0038] The column connection unit 4 also includes a hinge 44, a diagonal support plate 45 and a movable connection hinge 46. Two movable connection hinges 46 are provided on the lower surface of the fixed main beam 49. The two movable connection hinges 46 are movably connected to one end of the corresponding diagonal support plate 45, and the other ends of the two diagonal support plates 45 are movably connected to the corresponding hinges 44 respectively. The two hinges 44 are fixedly connected to the corresponding supporting columns 41 respectively.

[0039] The hinge 44 is used to fix one end of the diagonal support plate 45 to fix one end of the diagonal support plate 45 on the supporting column 41, and the movable connection hinge 46 is used to fix the other end of the diagonal support plate 45 on the fixed main beam 49 to fix the diagonal support plate 45. The diagonal support plate 45 is used to provide lateral stability, and the hinged design allows slight deformation to release stress, thereby providing support.

[0040] Example 2: A temporary support device for a steel structure bridge, comprising a mounting base 1, a height adjustment unit 3, a column connection unit 4 and a steel structure bridge fixing unit 5; A stabilizing support leg 2 is fixedly connected to each of the four corners of the lower surface of the mounting base 1. A height adjustment unit 3 is provided on the upper side of the mounting base 1. A column connection unit 4 is provided on the height adjustment plate 37 of the height adjustment unit 3. A steel structure bridge fixing unit 5 is provided on the fixed main beam 49 of the column connection unit 4. The height adjustment unit 3 includes an adjustment fixing shell 31, a jack fixing seat 33, a hydraulic jack 34, a sliding cylinder 36 and a height adjustment plate 37. The upper side surface of the mounting base 1 is fixedly connected to an adjustment fixing shell 31, and two equally spaced rectangular holes are provided on the upper side surface of the adjustment fixing shell 31. Two equally spaced sliding cylinders 36 are fixedly connected to the position between the two rectangular holes in the adjustment fixing shell 31, and a jack fixing seat 33 is fixedly connected to the position between the two sliding cylinders 36 on the lower end surface of the adjustment fixing shell 31. A receiving groove is provided on the jack fixing seat 33, and a pressure jack 34 is provided in the receiving groove. The extended end of the pressure jack 34 is fixedly engaged with the height adjustment plate 37. Two sliding holes are provided on the height adjustment plate 37. The sliding holes on the height adjustment plate 37 are slidably connected to the corresponding sliding cylinders 36. The input end of the hydraulic jack 34 is electrically connected to the output end of the external power supply through the external control switch group.

[0041] The mounting base 1 is used for assembling the device, the stabilizing support leg 2 is used for supporting, the height adjusting unit 3 is used for adjusting the height, the column connecting unit 4 is used for assembling, and the steel structure bridge fixing unit 5 is used for fixing and supporting the external steel structure bridge, the adjusting fixing shell 31 is used to fix the jack fixing seat 33, the jack fixing seat 33 is used to fix the hydraulic jack 34, the hydraulic jack 34 is started to adjust the height, and it is convenient to adjust and use, the sliding cylinder 36 is used to make the height adjustment plate 37 move more stably, and the height adjustment plate 37 is used to adjust the position of the support column 41, thereby adjusting the height, which is convenient to use, and thereby supporting and use.

[0042] The height adjustment unit 3 also includes a jack clamping frame 35. The upper side of the jack fixing seat 33 is located on the left and right sides of the hydraulic jack 34, and a jack clamping frame 35 is fixedly connected to each of them. The two jack clamping frames 35 are connected to the clamping plates through electric push rods, and the two clamping plates correspond to the hydraulic jacks 34.

[0043] The jack clamping frame 35 is used to clamp the hydraulic jack 34 to make the hydraulic jack 34 more stable and convenient for disassembly and fixing. The fixing device is thus convenient for adjusting the height.

[0044] The height adjustment unit 3 further includes an inspection door panel 32 . An inspection hole is provided on the front side of the adjustment and fixing shell 31 . The inspection hole is fixedly connected to the inspection door panel 32 by bolts. A pull handrail is provided on the front side of the inspection door panel 32 .

[0045] The inspection door panel 32 is used to protect the internal hydraulic jack 34 for protection and convenience of inspection and use.

[0046] The steel structure bridge fixing unit 5 includes an arc-shaped fixing column 51, a connecting flange 52 and a fixing column 53. The left and right ends of the fixed main beam 49 are respectively fixedly connected to an arc-shaped fixing column 51. Each arc-shaped fixing column 51 is respectively provided with a connecting flange 52. Each connecting flange 52 is respectively provided with four circular arrays of fixing columns 53. The two connecting flanges 52 are connected to the external steel structure bridge through the fixing columns 53.

[0047] The arc-shaped fixing column 51 is used to fix the connecting flange 52, and the connecting flange 52 is used to fix and support the steel structure bridge for installing the steel structure bridge. The fixing column 53 is used for quick assembly to install the steel structure bridge.

[0048] The steel structure bridge fixing unit 5 further includes a limiting pin 54 , and a limiting pin 54 is respectively provided at the four upper corners of the fixed main beam 49 .

[0049] The limiting pin 54 is used for limiting the position to fix the steel structure bridge, so as to facilitate the fixed support of the steel structure bridge. The steel structure bridge is preliminarily aligned by the limiting pin 54 for fixed use.

[0050] The steel structure bridge fixing unit 5 also includes a height detection sensor 55. The height detection sensor 55 is arranged at a position between the fixed main beam 49 and the upper side of the adjustment fixing shell 31. The height detection sensor 55 is located in an electric position between the two movable connection hinges 46. The input end of the height detection sensor 55 is electrically connected to the output end of the external power supply through an external control switch group.

[0051] The height detection sensor 55 is used to measure the height, and the hydraulic jack adjusts the support height according to the sensor feedback to ensure the accurate positioning of the bridge segment for detection and use.

[0052] The present invention also provides a low-carbon construction method for a temporary support device of a steel structure bridge, comprising the following steps: The first step is to measure the steel structure bridge and determine the support points of the device; The second step is to use the lifting device to carry the steel structure bridge so that the steel structure bridge is initially aligned with the limit pin 54 on the device; The third step is to assemble the device through the column connection unit 4; The fourth step is to start the hydraulic jack 34 after assembly and install the designed elevation to adjust the height to support and fix the steel structure bridge.

[0053] The mounting base 1 is used to fix the installation and adjustment of the fixed shell 31, the adjustment fixed shell 31 is used to fix the sliding cylinder 36, the sliding cylinder 36 is used to make the height adjustment plate 37 move more stably, and at the same time to fix the supporting column 41, the supporting column 41 is fixed to the fixed main beam 49 by bolts, the diagonal support plate 45 is used for support to release stress, the fixed main beam 49 is used to support the external steel structure bridge, the connecting flange 52 is used to fix the external steel structure bridge, the hydraulic jack 34 is used to adjust the height to support the steel structure bridge for use.

[0054] It is worth noting that the core chip of the external control switch group disclosed in the above embodiment is a PLC microcontroller, the hydraulic jack 34 adopts a screw jack, and the external control switch group controls the height detection sensor 55 and the hydraulic jack 34 using methods commonly used in the prior art.

[0055] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A temporary support device for a steel structure bridge, characterized by: It comprises a mounting base (1), a height adjustment unit (3), a column connection unit (4) and a steel structure bridge fixing unit (5); Mounting base (1): A stabilizing support leg (2) is fixedly connected to each of the four corners of the lower surface; a height adjustment unit (3) is provided on the upper side of the mounting base (1); a column connection unit (4) is provided on the height adjustment plate (37) in the height adjustment unit (3); and a steel structure bridge fixing unit (5) is provided on the fixed main beam (49) in the column connection unit (4); Height adjustment unit (3): comprising an adjustment fixed shell (31), a jack fixing seat (33), a hydraulic jack (34), a sliding cylinder (36) and a height adjustment plate (37), wherein the upper surface of the mounting base (1) is fixedly connected to an adjustment fixed shell (31), the upper surface of the adjustment fixed shell (31) is provided with two equally spaced rectangular holes, the position between the two rectangular holes in the adjustment fixed shell (31) is fixedly connected to two equally spaced sliding cylinders (36), the lower end surface of the adjustment fixed shell (31) is located between the two sliding cylinders A jack fixing seat (33) is fixedly connected at the position between (36), and a receiving groove is provided on the jack fixing seat (33), and a pressure jack (34) is provided in the receiving groove. The extended end of the pressure jack (34) is fixedly engaged with the height adjustment plate (37), and two sliding holes are provided on the height adjustment plate (37). The sliding holes on the height adjustment plate (37) are slidably connected on the corresponding sliding cylinder (36), and the input end of the hydraulic jack (34) is electrically connected to the output end of the external power supply through the external control switch group.

2. A temporary support device for a steel structure bridge according to claim 1, characterized in that: The height adjustment unit (3) further comprises a jack clamping frame (35), and the upper side of the jack fixing seat (33) is located on the left and right sides of the hydraulic jack (34), and a jack clamping frame (35) is fixedly connected to each of them. The two jack clamping frames (35) are connected to the clamping plates through electric push rods, and the two clamping plates correspond to the hydraulic jacks (34).

3. The temporary support device for a steel structure bridge according to claim 1, characterized in that: The height adjustment unit (3) further comprises an inspection door panel (32), an inspection hole is provided on the front side of the adjustment fixing shell (31), the inspection hole is fixedly connected to the inspection door panel (32) via bolts, and a pulling handrail is provided on the front side of the inspection door panel (32).

4. The temporary support device for a steel structure bridge according to claim 1, characterized in that: The column connection unit (4) includes a supporting column (41), a fixed clamping block (42) and a limiting strip (43). A supporting column (41) is respectively provided in the two rectangular holes on the adjustment fixing shell (31). The lower ends of the two supporting columns (41) are respectively fixedly connected to two fixed clamping blocks (42) at equal intervals. A bolt is respectively provided at the four corners of the height adjustment plate (37). Each bolt is clamped with the corresponding fixed clamping block (42). The supporting column (41) is clamped with the height adjustment plate (37) through the bolt. A limiting strip (43) is respectively provided on the upper surface of the height adjustment plate (37) at the left and right sides of the two supporting columns (41).

5. The temporary support device for a steel structure bridge according to claim 4, characterized in that: The column connection unit (4) further comprises a connecting rectangular plate (47), a fastening bolt (48) and a fixed main beam (49), wherein the upper ends of the two supporting columns (41) are respectively fixedly connected to a connecting rectangular plate (47), a fastening bolt (48) is respectively provided at the four corners of each connecting rectangular plate (47), and a fixed main beam (49) is provided on the upper side of the two connecting rectangular plates (47), and the fastening bolt (48) on each connecting rectangular plate (47) is threadedly connected to a screw hole on the corresponding fixed main beam (49).

6. The temporary support device for a steel structure bridge according to claim 5, characterized in that: The column connection unit (4) further comprises a hinge (44), a diagonal support plate (45) and a movable connection hinge (46). Two movable connection hinges (46) are provided on the lower surface of the fixed main beam (49). The two movable connection hinges (46) are movably connected to one end of the corresponding diagonal support plate (45). The other ends of the two diagonal support plates (45) are movably connected to the corresponding hinges (44). The two hinges (44) are fixedly connected to the corresponding supporting columns (41).

7. The temporary support device for a steel structure bridge according to claim 5, characterized in that: The steel structure bridge fixing unit (5) includes an arc-shaped fixing column (51), a connecting flange (52) and a fixing plug column (53). The left and right ends of the fixed main beam (49) are respectively fixedly connected to an arc-shaped fixing column (51). Each arc-shaped fixing column (51) is respectively provided with a connecting flange (52). Each connecting flange (52) is respectively provided with four annular array fixing plug columns (53). The two connecting flanges (52) are connected to the external steel structure bridge through the fixing plug columns (53).

8. The temporary support device for a steel structure bridge according to claim 7, characterized in that: The steel structure bridge fixing unit (5) further comprises a limiting pin (54), and a limiting pin (54) is respectively provided at the four upper corners of the fixed main beam (49).

9. The temporary support device for a steel structure bridge according to claim 7, characterized in that: The steel structure bridge fixing unit (5) further includes a height detection sensor (55), which is provided at a position between the fixed main beam (49) and the upper side of the adjustment fixing shell (31), and the height detection sensor (55) is located in an electric position between two movable connection hinges (46), and the input end of the height detection sensor (55) is electrically connected to the output end of the external power supply through an external control switch group.

10. A low-carbon construction method for a temporary support device for a steel structure bridge, characterized by: The following steps are involved: The first step is to measure the steel structure bridge and determine the support points of the device; The second step is to carry the steel structure bridge by means of a lifting device so as to initially align the steel structure bridge with the limiting pins (54) on the device; The third step is to assemble the device through the column connection unit (4); The fourth step is to start the hydraulic jack (34) after assembly and install the designed elevation to adjust the height so as to support and fix the steel structure bridge.

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