Supporting bracket for bridge construction

Abstract

The utility model relates to the technical field of supporting brackets, in particular to a supporting bracket for bridge construction, which comprises a bottom plate, telescopic guide components are fixedly connected to four corners of the top surface of the bottom plate, a hydraulic push rod is fixedly connected to the center of the top surface of the bottom plate, and a push plate is fixedly connected to the telescopic end of the hydraulic push rod. The four corners of the bottom face of the push plate are fixedly connected with the telescopic ends of the four telescopic guide assemblies correspondingly, and the middle of the top face of the push plate is fixedly connected with a connecting hinge. The supporting device has the advantages that lifting can be pushed through stretching out and drawing back of the hydraulic push rod to achieve adjustment of the supporting height, the rotating plate can be driven to turn over by the inclination angle through stretching out and drawing back of the two electric push rods, and the two guide sliding blocks can be driven to slide close to each other or away from each other by rotating the two-way transmission lead screw; therefore, the first supporting plates on the two sides can be pulled open and combined, the size of the area formed by the first supporting plates in a staggered mode is changed, and the supporting areas of different sizes can be adapted.

Description

Technical Field

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

[0002] During bridge construction, a bridge construction support bracket device is required to provide support to improve safety.

[0003] In Chinese utility model CN209686256U, a support bracket for bridge construction is disclosed, which drives the support base plate to move upward through the second connecting rod, so that the moving wheel at the bottom of the fixed base plate contacts the ground, so that the movement of the device is simple, and the support base plate is moved downward by the extension and contraction of the second cylinder, so that the support base plate contacts the ground, thereby propping up the moving wheel, making the device fixed firmly, and by starting the first cylinder, the moving plate is pushed upward by the first cylinder, and the support bracket is pushed to rotate by the support rod on the moving plate, so as to adjust its support inclination angle, but the support bracket for bridge construction has the following shortcomings in use:

[0004] The top of the support bracket for bridge construction is supported and lifted by a support plate of fixed size, resulting in a fixed support area and being unable to adapt to construction environments with different support areas. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a support bracket for bridge construction to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a support bracket for bridge construction, including a base plate, the four corners of the top surface of the base plate are fixedly connected with telescopic guide assemblies, a hydraulic push rod is fixedly connected at the center of the top surface of the base plate, the telescopic end of the hydraulic push rod is fixedly connected with a push plate, the four corners of the bottom surface of the push plate are respectively fixedly connected to the telescopic ends of four telescopic guide assemblies, the middle part of the top surface of the push plate is fixedly connected with a connecting hinge, the middle parts of both sides of the top surface of the push plate are symmetrically fixedly connected with two electric push rods, the push plate is rotatably connected to a rotating plate through a connecting hinge, both sides of the bottom surface of the rotating plate are slidably connected with connecting ears, the telescopic ends of the tops of the two electric push rods are rotatably connected to the two connecting ears, the rotating A guide groove is opened at the center of the top surface of the plate, and a two-way transmission screw is rotatably connected at the center of the inner wall of the guide groove. Guide sliders are slidably connected to both sides of the inner wall of the guide groove. The two guide sliders are respectively threadedly connected to the two sides of the surface of the two-way transmission screw. The two guide sliders are symmetrically arranged with the boundary between the positive and negative threads on the surface of the two-way transmission screw as the center. The top surfaces of the two guide sliders are fixedly connected to connecting plates, and the top surfaces of the two connecting plates are fixedly connected to a plurality of first support plates, and the spacing between the plurality of first support plates is adapted to the width of the first support plates. The plurality of first support plates on the top surfaces of the two connecting plates are staggered with each other, and both ends of the two-way transmission screw pass through the two side surfaces of the rotating plate and are fixedly connected to a rotating head.

[0008] Preferably, any of the above schemes has universal wheels fixedly connected to the four corners of the bottom surface of the base plate, the size of the base plate matches the size of the push plate, and the size of the rotating plate matches the size of the push plate.

[0009] The technical effects achieved by adopting the above scheme are: making the upper and lower areas the same, improving the stability of the support, and facilitating flexible movement through the universal wheels.

[0010] Preferably, any of the above schemes is that the side surfaces of several of the first support plates are provided with strip-shaped through holes, the middle parts of the two sides of the rotating plate are fixedly connected with second support plates, and the tops of the two second support plates are commonly fixedly connected with positioning guide plates, the thickness of the positioning guide plates is adapted to the upper and lower thicknesses of the inner walls of the strip-shaped through holes, and the positioning guide plates are simultaneously slidably connected to the strip-shaped through holes of several of the first support plates.

[0011] The technical effect achieved by adopting the above solution is that when the plurality of first support plates are fully unfolded, one ends of the first support plates on both sides can be connected to each other, thereby improving the overall connection effect.

[0012] Preferably, any of the above schemes has the lengths of the first support plates matching the length of the rotating plate, the side-by-side widths of the first support plates matching the width of the rotating plate, the guide slider and the connecting plate being located at the center of the bottom surfaces of the first support plates, and the bottom surface of the connecting plate being in contact with the top surface of the rotating plate.

[0013] The technical effect achieved by adopting the above solution is: the connecting plate is stably supported.

[0014] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0015] The support bracket for bridge construction can be pushed up and down to adjust the support height through the extension and retraction of the hydraulic push rod, the extension and retraction of the two electric push rods can drive the rotating plate to flip and tilt the angle, and the rotation of the two-way transmission screw can drive the two guide sliders to slide closer to or away from each other, so that the first support plates on both sides are pulled apart, joined and merged, thereby changing the area size formed by the staggered first support plates, so as to adapt to support areas of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0019] In the figure: 1-base plate, 2-hydraulic push rod, 3-telescopic guide assembly, 31-guide sleeve, 32-guide rod, 4-push plate, 5-connecting hinge, 6-rotating plate, 7-guide groove, 8-connecting plate, 9-first support plate, 10-strip through hole, 11-electric push rod, 12-second support plate, 13-universal wheel, 14-connecting ear, 15-bidirectional transmission screw, 16-positioning guide plate, 17-guide slider. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0021] Embodiment 1: Figures 1 to 3As shown, a support bracket for bridge construction comprises a bottom plate 1, the four corners of the top surface of the bottom plate 1 are fixedly connected with telescopic guide assemblies 3, a hydraulic push rod 2 is fixedly connected at the center of the top surface of the bottom plate 1, the telescopic end of the hydraulic push rod 2 is fixedly connected with a push plate 4, the four corners of the bottom surface of the push plate 4 are respectively fixedly connected with the telescopic ends of the four telescopic guide assemblies 3, a connecting hinge 5 is fixedly connected to the middle of the top surface of the push plate 4, two electric push rods 11 are symmetrically fixedly connected to the middle of the two sides of the top surface of the push plate 4, the push plate 4 is rotatably connected with a rotating plate 6 through the connecting hinge 5, the two sides of the bottom surface of the rotating plate 6 are slidably connected with connecting ears 14, the telescopic ends of the tops of the two electric push rods 11 are respectively rotatably connected with the two connecting ears 14, and a guide is provided at the center of the top surface of the rotating plate 6. To the groove 7, a two-way transmission screw 15 is rotatably connected at the center of the inner wall of the guide groove 7, and guide sliders 17 are slidably connected on both sides of the inner wall of the guide groove 7. The two guide sliders 17 are respectively threadedly connected to the two sides of the surface of the two-way transmission screw 15, and the two guide sliders 17 are symmetrically arranged with the boundary between the positive and negative threads on the surface of the two-way transmission screw 15 as the center. The top surfaces of the two guide sliders 17 are fixedly connected to a connecting plate 8, and the top surfaces of the two connecting plates 8 are fixedly connected to a plurality of first support plates 9, and the spacing between the plurality of first support plates 9 is adapted to the width of the first support plates 9. The plurality of first support plates 9 on the top surfaces of the two connecting plates 8 are staggered with each other, and both ends of the two-way transmission screw 15 pass through the two side surfaces of the rotating plate 6 and are fixedly connected to a rotating head.

[0022] As an optional technical solution of the utility model, the four corners of the bottom surface of the base plate 1 are fixedly connected with universal wheels 13. The size of the base plate 1 is adapted to the size of the push plate 4, and the size of the rotating plate 6 is adapted to the size of the push plate 4, so that the upper and lower areas are the same, the stability of the support is improved, and the universal wheels 13 are used to facilitate flexible movement.

[0023] As an optional technical solution of the present utility model, strip-shaped through holes 10 are opened on the sides of several first support plates 9, and second support plates 12 are fixedly connected to the middle parts of both sides of the rotating plate 6. Positioning guide plates 16 are commonly fixedly connected to the tops of the two second support plates 12. The thickness of the positioning guide plates 16 is adapted to the upper and lower thicknesses of the inner walls of the strip-shaped through holes 10. The positioning guide plates 16 are also slidably connected to the strip-shaped through holes 10 of several first support plates 9, so that when several first support plates 9 are fully unfolded, one ends of the first support plates 9 on both sides can be connected to each other, thereby improving the overall connection effect.

[0024] As an optional technical solution of the present invention, the lengths of the first support plates 9 are matched with the length of the rotating plate 6, the side-by-side widths of the first support plates 9 are matched with the width of the rotating plate 6, the guide slider 17 and the connecting plate 8 are located at the center of the bottom surfaces of the first support plates 9, and the bottom surface of the connecting plate 8 is in contact with the top surface of the rotating plate 6, so that the connecting plate 8 is stably supported.

[0025] A support bracket for bridge construction, the working principle is as follows:

[0026] 1) The hydraulic push rod 2 can be extended and retracted to push the lifting to adjust the support height;

[0027] 2) The two electric push rods 11 can be extended and retracted to drive the rotating plate 6 to flip and tilt;

[0028] 3) By rotating the bidirectional transmission screw 15, the two guide sliders 17 can be driven to slide closer to or away from each other, so that the first support plates 9 on both sides are pulled apart and merged, thereby changing the area size formed by the staggered first support plates 9, so as to adapt to support areas of different sizes.

[0029] To sum up, the support bracket for bridge construction can be pushed up and down to adjust the support height through the extension and retraction of the hydraulic push rod 2, the extension and retraction of the two electric push rods 11 can drive the rotating plate 6 to flip and tilt the angle, and the rotation of the two-way transmission screw 15 can drive the two guide sliders 17 to slide closer to or away from each other, so that the first support plates 9 on both sides are pulled apart and merged, thereby changing the area size formed by the staggered first support plates 9, so as to adapt to support areas of different sizes.

[0030] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A support bracket for bridge construction, characterized in that: The invention comprises a bottom plate (1), wherein the four corners of the top surface of the bottom plate (1) are fixedly connected with telescopic guide assemblies (3), the center of the top surface of the bottom plate (1) is fixedly connected with a hydraulic push rod (2), the telescopic end of the hydraulic push rod (2) is fixedly connected with a push plate (4), the four corners of the bottom surface of the push plate (4) are respectively fixedly connected with the telescopic ends of four telescopic guide assemblies (3), the middle part of the top surface of the push plate (4) is fixedly connected with a connecting hinge (5), the middle parts of the two sides of the top surface of the push plate (4) are symmetrically fixedly connected with two electric push rods (11), the push plate (4) is rotatably connected with a rotating plate (6) through the connecting hinge (5), the two sides of the bottom surface of the rotating plate (6) are slidably connected with connecting ears (14), the telescopic ends of the tops of the two electric push rods (11) are respectively rotatably connected with the two connecting ears (14), and a guide groove (7) is provided at the center of the top surface of the rotating plate (6). ), a bidirectional transmission screw (15) is rotatably connected at the center of the inner wall of the guide groove (7), and guide sliders (17) are slidably connected on both sides of the inner wall of the guide groove (7), and the two guide sliders (17) are respectively threadedly connected to the two sides of the surface of the bidirectional transmission screw (15), and the two guide sliders (17) are symmetrically arranged with the boundary between the positive and negative threads on the surface of the bidirectional transmission screw (15) as the center, and the top surfaces of the two guide sliders (17) are fixedly connected to a connecting plate (8), and the top surfaces of the two connecting plates (8) are fixedly connected to a plurality of first support plates (9), and the spacing between the plurality of first support plates (9) is adapted to the width of the first support plates (9), and the plurality of first support plates (9) on the top surfaces of the two connecting plates (8) are staggered with each other, and both ends of the bidirectional transmission screw (15) pass through the two side surfaces of the rotating plate (6) and are fixedly connected to a rotating head.

2. A support bracket for bridge construction according to claim 1, characterized in that: Universal wheels (13) are fixedly connected to the four corners of the bottom surface of the bottom plate (1); the size of the bottom plate (1) matches the size of the push plate (4); and the size of the rotating plate (6) matches the size of the push plate (4).

3. A support bracket for bridge construction according to claim 2, characterized in that: The side surfaces of the plurality of first support plates (9) are provided with strip-shaped through holes (10), the middle parts of the two sides of the rotating plate (6) are fixedly connected with second support plates (12), the tops of the two second support plates (12) are commonly fixedly connected with a positioning guide plate (16), the thickness of the positioning guide plate (16) is adapted to the upper and lower thickness of the inner wall of the strip-shaped through holes (10), and the positioning guide plate (16) is simultaneously slidably connected with the strip-shaped through holes (10) of the plurality of first support plates (9).

4. A support bracket for bridge construction according to claim 3, characterized in that: The lengths of the first support plates (9) are all compatible with the length of the rotating plate (6); the side-by-side widths of the first support plates (9) are all compatible with the width of the rotating plate (6); the guide sliders (17) and the connecting plates (8) are all located at the center of the bottom surfaces of the first support plates (9); and the bottom surface of the connecting plates (8) is in contact with the top surface of the rotating plate (6).

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