Balancing device for front supporting legs of spliced bridge frame beam

Abstract

The utility model discloses a front landing leg balancing device of a widening bridge frame beam, which comprises symmetrically distributed first steel pipes and symmetrically distributed second steel pipes, an adjusting mechanism is arranged between the first steel pipes and the second steel pipes, the adjusting mechanism comprises an adjusting bolt, a fixed transverse pipe and a movable pipe, the fixed transverse pipe is arranged on the outer wall of the first steel pipe, and the movable pipe is arranged on the outer wall of the first steel pipe. The movable pipe is arranged on the outer wall of the second steel pipe, one end of the movable pipe extends into the fixed transverse pipe, a nut is installed on the outer wall of the fixed transverse pipe, the adjusting bolt is in threaded connection with the nut, and one end of the adjusting bolt can abut against the outer wall of the movable pipe; the movable pipe and the second steel pipe are of an integrated structure, and scale marks are arranged on the movable pipe. The beneficial effects of the utility model are that through the designed adjusting mechanism, the movable pipe can move in the fixed transverse pipe, the distance between the first steel pipe and the second steel pipe is adjusted, and the use convenience is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge box girder erection construction, and in particular relates to a front outrigger balancing device for a widened bridge frame beam. Background Art

[0002] The erection of bridge box girders is a key step in achieving the goal of bridge construction. As an important part of transportation infrastructure, the construction quality and stability of bridges are directly related to the smoothness of traffic and people's travel safety. As the main load-bearing structure of bridges, the quality of their erection is directly related to the overall bearing capacity and service life of bridges. Therefore, through refined box girder erection construction, the smooth progress of bridge construction can be ensured and the expected traffic functions and safety requirements can be achieved.

[0003] A balancing device for the front legs of a widened bridge frame beam is disclosed with publication number CN217948783U. The patent discloses a widened bridge and an old bridge. The widened bridge is located on the right side of the old bridge. The upper side wall of the widened bridge is connected to two balancing device bodies by bolts; the balancing device body includes four steel pipes, and the upper ends of two of the steel pipes located on the same side are fixedly connected to the same distribution beam. The four steel pipes are fixedly connected by a cross pipe, and angle steel scissors braces are provided between the four steel pipes.

[0004] When the existing front leg balancing device for widening the bridge beam is used, the length of the cross pipe is set, and the spacing between adjacent steel pipes cannot be adjusted as needed, which affects the convenience of use. Utility Model Content

[0005] The utility model aims to provide a front leg balancing device for a widened bridge frame beam, which can adjust the spacing between adjacent steel pipes according to needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a balancing device for the front legs of a widened bridge frame beam, comprising a symmetrically distributed first steel pipe and a symmetrically distributed second steel pipe, an adjustment mechanism is arranged between the first steel pipe and the second steel pipe, and the adjustment mechanism comprises an adjusting bolt, a fixed cross pipe, and a movable pipe, the fixed cross pipe is arranged on the outer wall of the first steel pipe, the movable pipe is arranged on the outer wall of the second steel pipe, and one end of the movable pipe extends to the inside of the fixed cross pipe, a nut is installed on the outer wall of the fixed cross pipe, the adjusting bolt and the nut are threadedly connected, and one end of the adjusting bolt can abut against the outer wall of the movable pipe.

[0007] Preferably, the movable tube and the second steel tube are an integrated structure, and scale lines are provided on the movable tube.

[0008] Preferably, the fixed transverse tube and the first steel tube are an integrated structure, and a first connecting tube is provided between two symmetrically distributed first steel tubes.

[0009] Preferably, a second connecting pipe is provided between two symmetrically distributed second steel pipes, and distribution beams are provided at the top ends of the two first steel pipes and the top ends of the two second steel pipes.

[0010] Preferably, it further comprises an adjusting tube, the top of which is provided with an upper flange, and the bottoms of the first steel tube and the second steel tube are both provided with lower flanges.

[0011] Preferably, a guide block is provided at the bottom of the lower flange, a guide groove for inserting the guide block is provided at the top of the upper flange, and a stop block capable of abutting against the guide block is provided on the inner side of the guide groove.

[0012] Preferably, an insert block is provided at the inner bottom of the guide groove, and a slot matching the insert block is provided at the bottom of the guide block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the designed adjustment mechanism, the movable tube can move in the fixed transverse tube to adjust the distance between the first steel tube and the second steel tube, thereby increasing the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0017] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure of area B;

[0018] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure of the E region;

[0019] In the figure: 1. first steel pipe; 11. fixed horizontal pipe; 110. nut; 2. second steel pipe; 21. movable pipe; 210. scale line; 3. lower flange; 31. guide block; 310. slot; 4. upper flange; 41. guide groove; 410. stop block; 411. insert block; 5. adjusting pipe; 6. first connecting pipe; 7. distribution beam; 8. adjusting bolt; 9. second connecting pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments 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 in 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.

[0021] Example 1

[0022] See also Figure 1-Figure 3 , which is the first embodiment of the utility model, and provides a front leg balancing device for a widened bridge frame beam, comprising a symmetrically distributed first steel pipe 1 and a symmetrically distributed second steel pipe 2, a first connecting pipe 6 is arranged between the two symmetrically distributed first steel pipes 1, and the first connecting pipe 6 increases the limitation of the two first steel pipes 1. In order to increase the strength of the first steel pipe 1 and the first connecting pipe 6, the first connecting pipe 6 and the first steel pipe 1 can be fixed by welding, a second connecting pipe 9 is arranged between the two symmetrically distributed second steel pipes 2, and the two second steel pipes 2 are limited by the second connecting pipe 9. In order to increase the strength of the second steel pipe 2 and the second connecting pipe 9, the second steel pipe 2 and the second connecting pipe 9 are fixed by welding; an adjusting mechanism is arranged between the first steel pipe 1 and the second steel pipe 2, and the adjusting mechanism includes an adjusting bolt 8, a fixing bolt 9 ... The fixed transverse tube 11 and the movable tube 21 are provided on the outer wall of the first steel tube 1, so that the fixed transverse tube 11 can be added. The movable tube 21 is provided on the outer wall of the second steel tube 2, so that the movable tube 21 can be added. One end of the movable tube 21 extends to the inside of the fixed transverse tube 11. The movable tube 21 moves in the fixed transverse tube 11, so as to adjust the distance between the first steel tube 1 and the second steel tube 2. The outer wall of the fixed transverse tube 11 is provided with a nut 110, so that the nut 110 can be added. The adjusting bolt 8 is threadedly connected with the nut 110, and one end of the adjusting bolt 8 can abut against the outer wall of the movable tube 21. When the movable tube 21 is limited after moving in the fixed transverse tube 11, the adjusting bolt 8 is rotated and the adjusting bolt 8 is pressed against the outer wall of the movable tube 21, so as to improve the limitation of the distance between the first steel tube 1 and the second steel tube 2 after adjustment.

[0023] In this embodiment, preferably, the movable tube 21 and the second steel tube 2 are an integrated structure, which helps to increase the strength of the movable tube 21 and the second steel tube 2, and a scale line 210 is provided on the movable tube 21 to display the adjusted position of the movable tube 21 through the scale line 210.

[0024] In this embodiment, preferably, the fixed cross tube 11 and the first steel tube 1 are an integrated structure, which helps to increase the strength of the fixed cross tube 11 and the first steel tube 1 .

[0025] In this embodiment, preferably, the top ends of the two first steel tubes 1 and the top ends of the two second steel tubes 2 are both provided with distribution beams 7 , thereby realizing the additional installation of the distribution beams 7 .

[0026] In this embodiment, preferably, it also includes an adjusting tube 5, and an upper flange 4 is arranged on the top of the adjusting tube 5 to realize the addition of the upper flange 4, and lower flanges 3 are arranged on the bottoms of the first steel tube 1 and the second steel tube 2 to realize the addition of the lower flanges 3.

[0027] Example 2

[0028] See also Figure 1-Figure 4 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0029] A guide block 31 is provided at the bottom of the lower flange 3, which realizes the addition of the guide block 31. A guide groove 41 for inserting the guide block 31 is opened at the top of the upper flange 4, which realizes the opening of the guide groove 41, and a stopper 410 that can abut against the guide block 31 is provided on the inner side of the guide groove 41, which realizes the addition of the stopper 410. An insert block 411 is provided at the inner bottom of the guide groove 41, which realizes the addition of the insert block 411. A slot 310 matched with the insert block 411 is opened at the bottom of the guide block 31. When the lower flange 3 and the upper flange 4 are spliced, the guide block 31 is inserted into the guide groove 41 along the stopper 410, and the insert block 411 is inserted into the slot 310, thereby increasing the guidance when the lower flange 3 and the upper flange 4 are spliced, making it more convenient for the lower flange 3 and the upper flange 4 to be spliced ​​by bolts.

[0030] It should be noted that the specific structure and working principle of the first steel pipe 1, the second steel pipe 2, the adjusting pipe 5 and the distribution beam 7 in the present application have been disclosed in a front leg balancing device for widening a bridge frame beam with publication number CN217948783U.

[0031] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A balancing device for the front legs of a widened bridge beam. Features: The invention comprises a symmetrically distributed first steel tube (1) and a symmetrically distributed second steel tube (2), wherein an adjustment mechanism is arranged between the first steel tube (1) and the second steel tube (2), and the adjustment mechanism comprises an adjustment bolt (8), a fixed transverse tube (11), and a movable tube (21), wherein the fixed transverse tube (11) is arranged on the outer wall of the first steel tube (1), the movable tube (21) is arranged on the outer wall of the second steel tube (2), and one end of the movable tube (21) extends into the interior of the fixed transverse tube (11), a nut (110) is installed on the outer wall of the fixed transverse tube (11), the adjustment bolt (8) and the nut (110) are threadedly connected, and one end of the adjustment bolt (8) can abut against the outer wall of the movable tube (21).

2. A balancing device for the front legs of a widened bridge beam according to claim 1, Features: The movable tube (21) and the second steel tube (2) are of an integrated structure, and a scale mark (210) is provided on the movable tube (21).

3. The front leg balancing device for widening the bridge beam according to claim 1, Features: The fixed transverse tube (11) and the first steel tube (1) are of an integrated structure, and a first connecting tube (6) is provided between two symmetrically distributed first steel tubes (1).

4. The front leg balancing device for widening the bridge beam according to claim 1, Features: A second connecting pipe (9) is provided between the two symmetrically distributed second steel pipes (2), and distribution beams (7) are provided at the top ends of the two first steel pipes (1) and the top ends of the two second steel pipes (2).

5. The front leg balancing device for widening the bridge beam according to claim 1, Features: It also comprises an adjusting tube (5), the top of which is provided with an upper flange (4), and the bottoms of the first steel tube (1) and the second steel tube (2) are both provided with lower flanges (3).

6. A balancing device for front legs of a widened bridge beam according to claim 5, Features: A guide block (31) is provided at the bottom of the lower flange (3), a guide groove (41) for inserting the guide block (31) is provided at the top of the upper flange (4), and a stop block (410) capable of abutting against the guide block (31) is provided on the inner side surface of the guide groove (41).

7. A balancing device for front legs of a widened bridge beam according to claim 6, Features: An insert block (411) is provided at the inner bottom of the guide groove (41), and a slot (310) matching the insert block (411) is provided at the bottom of the guide block (31).

Images