Angle-adjustable special bridge frame base for constructing bailey bridge

Abstract

The utility model provides an angle-adjustable special bridge frame base for constructing a Bailey bridge, which is simple and reasonable in structure and comprises a lower bottom plate which is arranged at the bottom and plays a role in fixing, a supporting part which plays a role in supporting and a top seat which plays a role in jacking a Bailey piece, the supporting part comprises a supporting round steel, a supporting seat and a limiting round steel, and the supporting seat is arranged on the lower bottom plate. The top base comprises a top plate at the top and a connecting plate for connection, the supporting base is composed of a transverse plate, a rib plate and a plurality of supporting plates, when the bailey bridge needs to be temporarily built, the base can be adjusted to be used by bridges with different gradients according to the actual situation on site, and the height can be properly adjusted by replacing lower supporting round steel. The base is high in adaptability and can be repeatedly used, and the special bridge base is good in stability performance and fixing performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, especially a kind of angle-adjustable Bailey bridge erection with special bridge frame base. BACKGROUND

[0002] Bailey piece is also called Bailey frame, Bailey beam or truss, which was first invented by a British engineer during World War II to solve the need for rapid bridge erection during the war and was named after him. It can be used for highway bridges, assembled gantry cranes, guide beams, bridge erection machines, hangers, etc. The Bailey truss combined gantry crane can be used for highway bridges, assembled gantry cranes, guide beams, bridge erection machines, hangers, etc. The Bailey truss combined gantry crane uses assembled highway steel bridge components to assemble gantry frames, and the span and column height are adjustable to adapt to different work sites, and is widely used in highway, railway, municipal, construction, water conservancy and other construction projects, bridge construction precast yards, bridge pier side beam erection, etc.

[0003] During the erection of Bailey bridge, there may be a height difference between the two ends of the bridge, resulting in a slope. Special wedge-shaped steel plates should be placed on the abutments on both sides to ensure the relative level of the bridge. However, the general bridge base cannot adjust the angle, so a new bridge base needs to be made every time a bridge is erected, which is time-consuming and labor-intensive. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of improved bridge beam clamp for temporary erection of Bailey bridge, which has simple and reasonable structure. When temporary erection of Bailey bridge is needed, the base can adjust different angles according to the actual situation on site to meet the use of bridges with different slopes, and the height can be adjusted by replacing the lower supporting round steel. This base is highly adaptable and can be reused.

[0005] The utility model is achieved as follows:

[0006] A special bridge base for angle-adjustable Bailey bridge erection, characterized by including a lower base plate for fixing at the bottom, a supporting part for supporting, and a top base for holding the Bailey piece. The lower base plate, supporting part and top base are arranged from bottom to top. The lower base plate is a cuboid, and is arranged on the ground. The upper end surface of the lower base plate is provided with protrusions for connecting with the supporting part. The protrusions are semicircular. There are two groups of protrusions symmetrically arranged on both sides of the lower base plate.

[0007] The support part comprises support round steels, a support base and a limiting round steel, two groups of the support round steels are symmetrically arranged between the lower bottom plate and the support base, the support round steels are used for connecting the support base and the lower bottom plate, the lower part and the upper part of the support round steel are provided with limiting grooves which play a limiting role, the limiting grooves are semicircular, the support round steel is fixedly connected with the lower bottom plate in a mode that the support round steel is clamped into the protrusion through the limiting grooves, the lower part of the support base is also provided with protrusions which are fixedly connected with the limiting grooves, the support base is fixedly connected with the support round steel through the limiting grooves and the protrusions, the middle part of the support base is provided with a groove which is convenient for fixing the limiting round steel, the limiting round steel is fixedly arranged on the support base and is arranged at the middle part of the support base, and the limiting round steel is used for connecting the support base and the top base;

[0008] The top base is arranged directly above the support base, the top base comprises a top plate at the top and a connecting plate, the top plate is horizontally arranged directly above the support base, the top plate is used for abutting against the belaying piece, the connecting plate is inverted trapezoidal, the top of the connecting plate is fixedly connected with the middle part of the lower bottom surface of the top plate, the lower part of the connecting plate is provided with a groove which is used in cooperation with the limiting round steel, and the connecting plate is fixedly connected with the limiting round steel through the groove;

[0009] Further, the support base is composed of a horizontal plate, a rib plate and a plurality of support plates, the horizontal plate is horizontally arranged above the support plates and the horizontal plate, the rib plate is arranged at the middle part of the horizontal plate and is fixedly connected with the horizontal plate, and the plurality of support plates are symmetrically arranged in front of and behind the rib plate and are fixedly connected with the horizontal plate;

[0010] Further, the rib plate is provided with column bottom plates on the two sides, the column bottom plates are arranged between the horizontal plate and the connecting plate, the upper part and the lower part of the column bottom plates are provided with limiting protrusions, the horizontal plate and the connecting plate are provided with grooves which are used for being connected with the limiting protrusions, and the column bottom plates are connected with and support the horizontal plate and the connecting plate through the limiting protrusions and the grooves.

[0011] Further, the limiting round steel is provided with a groove on the outer circumferential surface, protrusions which are used for being fixed and limited by the support base and the connecting plate, and the limiting round steel is fixedly connected with the support base and the connecting plate through the groove and the protrusions;

[0012] Further, the support round steel is detachable, different models of the support round steel can be installed, and the angle of the whole special bridge base can be adjusted.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The angle-adjustable special bridge bottom base for building a Bailey bridge is internally provided with multiple limiting protrusions, limiting blocks, protrusions, limiting grooves and grooves, so that the overall fixing performance of the special bridge bottom base is good, and the column bottom plate is internally arranged, which can further enhance the stability and fixity of the special bridge bottom base, so that the staff can be more stable and safe when building the Bailey bridge.

[0015] The angle-adjustable special bridge bottom base for building a Bailey bridge can be adjusted by installing different models of support round steel on the special bridge bottom base, so as to freely adjust the angle of the special bridge bottom base, so that the Bailey bridge can be built more easily, and it is not necessary to assemble a new special bridge bottom base every time the Bailey bridge is built, which improves the efficiency of building the Bailey bridge and avoids wasting manpower and material resources every time the special bridge bottom base is assembled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural diagram of the special bridge bottom base.

[0017] Fig. 2 It is a left view of the special bridge bottom base.

[0018] Fig. 3 It is a top view of the special bridge bottom base.

[0019] Among them, 1 is the lower bottom plate, 2 is the support part, 21 is the support round steel, 22 is the support seat, 221 is the horizontal plate, 222 is the rib plate, 223 is the support plate, 23 is the limiting round steel, 3 is the top seat, 31 is the top plate, 32 is the connecting plate, and 4 is the column bottom plate. DETAILED DESCRIPTION

[0020] As shown in Figs. 1-3 An angle-adjustable special bridge bottom base for building a Bailey bridge, characterized in that it comprises a lower bottom plate 1 arranged at the bottom to play a fixing role, a support part 2 to play a supporting role, and a top seat 3 to hold the Bailey piece, the lower bottom plate 1, the support part 2 and the top seat 3 are arranged from bottom to top, the lower bottom plate 1 is a cuboid, the lower bottom plate 1 is arranged on the ground, the upper end surface of the lower bottom plate 1 is provided with protrusions for connecting with the support part 2, the protrusions are semicircular, the protrusions have two groups, and the two groups of protrusions are symmetrically arranged on the two sides of the lower bottom plate 1;

[0021] The support part 2 comprises support round steel 21, support seat 22 and limiting round steel 23, two groups of support round steel 21 are symmetrically arranged between the lower bottom plate 1 and the support seat 22, the support round steel 21 is used for connecting the support seat 22 and the lower bottom plate 1, the lower part and the upper part of the support round steel 21 are provided with limiting recesses for limiting, the limiting recesses are semicircular, the support round steel 21 is fixedly connected with the lower bottom plate 1 in a manner of being clamped into the protrusion through the limiting recess, the lower part of the support seat 22 is also provided with a protrusion fixedly connected with the limiting recess, the support seat 22 is fixedly connected with the support round steel 21 through the limiting recess and the protrusion, the middle part of the support seat 22 is provided with a recess for conveniently fixing the limiting round steel 23, the limiting round steel 23 is fixedly arranged on the support seat 22 and arranged in the middle part of the support seat 22, and the limiting round steel 23 is used for connecting the support seat 22 and the top seat 3.

[0022] The top seat 3 is arranged directly above the support seat 22, the top seat 3 comprises a top plate 31 at the top and a connecting plate 32 for connection, the top plate 31 is horizontally arranged directly above the support seat 22, the top plate 31 is used for bearing against the belaying piece, the connecting plate 32 is inverted trapezoidal, the top of the connecting plate 32 is fixedly connected with the middle part of the lower bottom surface of the top plate 31, the lower part of the connecting plate 32 is provided with a recess matched with the limiting round steel 23, and the connecting plate 32 is fixedly connected with the limiting round steel 23 through the recess.

[0023] Further, the support seat 22 is composed of a horizontal plate 221, a rib plate 222 and a plurality of support plates 223, the horizontal plate 221 is horizontally arranged above the support plate 223 and the horizontal plate 221, the rib plate 222 is arranged in the middle part of the horizontal plate 221 and fixedly connected with the horizontal plate 221, and the plurality of support plates 223 are symmetrically arranged in front of and behind the rib plate 222 and fixedly connected with the horizontal plate 221.

[0024] Further, the rib plate 222 is provided with column bottom plates 4 on both sides for enhancing the support performance of the support seat 22, the column bottom plates 4 are arranged between the horizontal plate 221 and the connecting plate 32, the upper part and the lower part of the column bottom plates 4 are provided with limiting protrusions, the horizontal plate 221 and the connecting plate 32 are provided with recesses for connecting with the limiting protrusions, and the column bottom plates 4 are connected with and support the horizontal plate 221 and the connecting plate 32 through the limiting protrusions and the recesses.

[0025] Further, the limiting round steel 23 is provided with a recess on the outer circumferential surface, a protrusion for fixing and limiting of the support seat 22 and the connecting plate 32, and the limiting round steel 23 is fixedly connected with the support seat 22 and the connecting plate 32 through the recess and the protrusion.

[0026] Further, the support round steel 21 is detachable, different models of support round steel 21 can be installed to adjust the angle of the whole special bridge bottom seat.

[0027] The utility model discloses not limited to above embodiment, on the basis of the technical scheme disclosed in the utility model, the technical content disclosed in the utility model is not needed to make some substitution and deformation to some technical features among them according to the creative labor of the person skilled in the art, and these substitutions and deformations are all within the protection scope of the utility model.

Claims

1. An angle-adjustable special bridge base for building a Bailey bridge, characterized in that, The utility model provides a kind of bearing plate, including the lower bottom plate (1) for setting in bottom to play the role of fixation, also including support part (2) for playing the role of support, also including the top seat (3) for playing the role of bearing bailey, the lower bottom plate (1), support part (2) and top seat (3) are arranged from bottom to top, the lower bottom plate (1) is cuboid, the lower bottom plate (1) is set on ground, the lower bottom plate (1) upper end surface is equipped with the protrusion for being connected with support part (2), the protrusion is semicircular, the protrusion has two groups, two groups of protrusions are symmetrically arranged on the two sides of lower bottom plate (1); The support part (2) includes support round steel (21), support seat (22) and limiting round steel (23), two groups of support round steel (21) are symmetrically arranged between lower bottom plate (1) and support seat (22), the support round steel (21) is used for connecting support seat (22) and lower bottom plate (1), the lower part and the upper part of the support round steel (21) are equipped with limiting recess for playing the role of limiting, the limiting recess is semicircular, the support round steel (21) is fixedly connected with the lower bottom plate (1) by the mode that limiting recess is clamped into protrusion, the lower part of the support seat (22) is also equipped with protrusion for being fixedly connected with limiting recess, the support seat (22) is fixedly connected with the support round steel (21) by limiting recess and protrusion, the middle part of the support seat (22) is equipped with recess for facilitating fixing limiting round steel (23), the limiting round steel (23) is fixedly arranged on the support seat (22), and is arranged in the middle part of the support seat (22), the limiting round steel (23) is used for connecting support seat (22) and top seat (3); The top seat (3) is arranged directly above the support seat (22), and the top seat (3) includes a top plate (31) at the top and a connecting plate (32) for connection, the top plate (31) is horizontally arranged directly above the support seat (22), and the top plate (31) is used for bearing bailey, the connecting plate (32) is inverted trapezoidal, the top of the connecting plate (32) is fixedly connected with the middle part of the lower bottom surface of the top plate (31), and the lower part of the connecting plate (32) is provided with a recess matched with the limiting round steel (23), and the connecting plate (32) is fixedly connected with the limiting round steel (23) through the recess.

2. The angle-adjustable Bailey bridge building special bridge base of claim 1, wherein: The support seat (22) is composed of a horizontal plate (221), a rib plate (222) and a plurality of support plates (223), the horizontal plate (221) is horizontally arranged above the support plates (223) and the horizontal plate (221), the rib plate (222) is arranged in the middle part of the horizontal plate (221) and is fixedly connected with the horizontal plate (221), and the plurality of support plates (223) are symmetrically arranged in front of and behind the rib plate (222) and are fixedly connected with the horizontal plate (221).

3. The angle-adjustable Bailey bridge building special bridge base of claim 2, wherein: The rib plate (222) is provided with column bottom plates (4) on both sides to enhance the support performance of the support seat (22), the column bottom plates (4) are arranged between the horizontal plate (221) and the connecting plate (32), the upper and lower parts of the column bottom plates (4) are provided with limiting protrusions, the horizontal plate (221) and the connecting plate (32) are provided with grooves connected with the limiting protrusions, and the column bottom plates (4) are connected and support the horizontal plate (221) and the connecting plate (32) through the limiting protrusions and the grooves.

4. The angle-adjustable Bailey bridge building special bridge base of claim 1, wherein: The limiting round steel (23) is provided with grooves on the outer circumferential surface, and protrusions for fixing and limiting the support seat (22) and the connecting plate (32), and the limiting round steel (23) is fixedly connected with the support seat (22) and the connecting plate (32) through the grooves and the protrusions.

5. The angle adjustable Bailey bridge erection special bridge base according to claim 1, characterized in that: The supporting round steel (21) is detachable, different models of supporting round steels (21) can be installed to adjust the angle of the whole special bridge bottom seat.

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