CN216999364U

CN216999364U - Bridge beam supports changes jacking supporting platform and jacking supporting platform frock

Info

Publication number: CN216999364U
Application number: CN202220060436.XU
Authority: CN
Inventors: 王同元; 李适; 画金晗; 张瀚文; 陈文强; 宁家鑫; 瞿鑫; 冯超; 王勇; 翁志飞
Original assignee: Zhejiang Communications Construction Group Co Ltd
Current assignee: Zhejiang Communications Construction Group Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-19
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to a jacking support platform for replacing a bridge support and a jacking support platform tool, which comprise a support bottom plate, wherein the support bottom plate is of an L-shaped structure; the supporting bottom plate comprises a horizontal hanging part and a vertical abutting part, a jacking platform is vertically welded on the vertical abutting part, and at least one lower reinforcing rib is vertically welded between the bottom surface of the jacking platform and the vertical abutting part; two upper reinforcing ribs are vertically welded between the top surface of the jacking platform and the horizontal hanging part and between the top surface of the jacking platform and the vertical abutting part, the surface of the jacking platform between the two upper reinforcing ribs is used for mounting a jacking mechanism, and the bottom end of the vertical abutting part is provided with a screw hole; the vertical load of the bridge support replacing jacking supporting platform is improved.

Description

Bridge beam supports changes jacking supporting platform and jacking supporting platform frock

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a jacking supporting platform for replacing a bridge support and a jacking supporting platform tool.

Background

After a highway bridge is used for a certain period of time, the highway bridge is generally required to be transformed and reinforced, and a beam body support is replaced. Most highway bridges adopt rubber supports, the distance between the bottom of the bridge and the top of the cover beam is only about 5cm, and the bridge cannot be operated even if an ultra-thin jack is adopted. In order to jack up a beam body, a steel pipe support is generally erected for supporting, and a foundation needs to be reinforced. When meeting the section with poor water or foundation conditions, the support platform is very difficult to set up, and the investment is increased greatly; therefore, the jacking supporting platform is produced, but the traditional platform structure is only provided with a bottom plate, the bottom plate is driven into the capping beam or the pier stud through a plurality of screw holes arranged on the bottom plate, and a deeper screw is usually required to be driven to ensure that the jacking mechanism is installed and the supporting platform can be prevented from loosening during jacking operation, so that the fixing mode greatly damages the internal structures of the capping beam and the pier stud, and the supporting stability of the capping beam and the pier stud has potential safety hazards; in addition, the conventional wall-attached bracket cannot be installed by one person, and the conventional wall-attached bracket needs to be fixed on the cover beam by hands and drilled with holes at the same time, so that the labor is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a jacking supporting platform for replacing a bridge support, which is used for lifting the vertical load of the bridge support.

In order to achieve the purpose, the main technical solution of the utility model is that the jacking supporting platform for replacing the bridge bearing comprises a supporting bottom plate, wherein the supporting bottom plate is in an L-shaped structure; the supporting bottom plate comprises a horizontal hanging part and a vertical abutting part, a jacking platform is vertically welded on the vertical abutting part, and at least one lower reinforcing rib is vertically welded between the bottom surface of the jacking platform and the vertical abutting part; the top surface and the level of jacking platform hang and establish the portion and support the portion between the portion perpendicularly mutually and weld perpendicularly and have two to go up the reinforcing rib, the jacking platform surface that is located between two last reinforcing ribs is used for installing climbing mechanism, the bottom that supports the portion perpendicularly mutually is equipped with the screw hole.

In some examples, two lower reinforcing ribs are arranged between the bottom surface of the jacking platform and the vertical butting part, and the distance between the two lower reinforcing ribs ranges from 90mm to 110 mm; the vertical abutting parts respectively positioned at the outer sides of the two lower reinforcing ribs are respectively provided with a screw hole.

In some examples, the upper stiffening rib has a zigzag-shaped cross-section in which a top extension is welded to a surface of the horizontal hanging portion, and the top extension has a slope structure with a slope of 45 °.

In some examples, the outer side wall of the upper stiffening rib is flush with the end of the jacking platform, and the thickness of the upper stiffening rib ranges from 9mm to 11 mm.

In some examples, the bottom edge of the upper stiffening rib is the same length as the end of the jacking platform, which enables the jacking platform to be in a semi-wrapped structure.

In some examples, two auxiliary stiffening ribs are vertically welded between the top surface of the jacking platform and the horizontal hanging part and between the top surface of the jacking platform and the vertical butting part, and the auxiliary stiffening ribs are respectively positioned at the inner sides of the upper stiffening ribs and are parallel to the upper stiffening ribs.

In some examples, the auxiliary stiffening rib is spaced from the upper stiffening rib by 30mm, and a screw hole is provided on a vertically abutting portion between the auxiliary stiffening rib and the upper stiffening rib.

In some examples, the auxiliary stiffening ribs and the upper stiffening ribs are provided with tie plates on top thereof.

The jacking support platform replacing tool comprises two bridge support replacing jacking support platforms, wherein the two bridge support replacing jacking support platforms are respectively arranged on two sides of a bent cap or a pier stud; the horizontal hanging part is hung on the cover beam, and the vertical abutting part passes through the screw hole through the expansion bolt and is screwed and fixed.

In some examples, the jacking support platform tool further comprises two finish-rolled threaded steel bars, a base plate is arranged on the outer side of the top of the upper reinforcing rib, and the base plate is provided with a threaded hole; and two ends of the finish-rolled twisted steel bar are respectively arranged in the base plate to be butted with the threaded holes without penetrating through the base of the capping beam.

Due to the adoption of the technical scheme, the utility model realizes the following effects: 1. under the condition of reducing the damage to the internal structure of the capping beam or the pier as much as possible, the vertical load of the jacking support platform of the bridge support is improved; 2. the single-person assembling and disassembling operation can be realized, the operation is convenient and rapid, the floor type support frame does not need to be erected, and the cost can be greatly reduced.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic structural view of the auxiliary stiffening ribs of the embodiment of figure 1,

figure 3 is a schematic diagram of the structure from another perspective of the embodiment of figure 1,

figure 4 is a schematic diagram of the structure from another perspective of the embodiment of figure 1,

figure 5 is a schematic view of the embodiment of figure 1 in a counter-pulling configuration using finish rolled rebar,

figure 6 is a schematic view of the embodiment of figure 1 without counter-pulling of finish rolled rebar,

in the figure: the bridge support replacing and jacking device comprises a cover beam 1, a bridge support replacing and jacking supporting platform 2, a slope-shaped structure 3, an upper reinforcing rib 4, a jacking platform 5, a lower reinforcing rib 6, a horizontal hanging part 7, a vertical abutting part 8, a base plate 9, finish rolling threaded steel bars 10, auxiliary reinforcing ribs 11 and screw holes 12.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and simplicity in description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and thus, the terms are not to be construed as limiting the utility model.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The first embodiment is as follows:

referring to fig. 1 and 6 of the drawings accompanying the present specification, a bridge support replacing jacking support platform 2 according to a preferred embodiment of the present invention comprises a support base plate, wherein the support base plate is of an L-shaped structure; the supporting bottom plate comprises a horizontal hanging part and a vertical abutting part, a jacking platform 5 is vertically welded on the vertical abutting part, and at least one lower reinforcing rib 6 is vertically welded between the bottom surface of the jacking platform 5 and the vertical abutting part; two upper reinforcing ribs 4 are vertically welded between the top surface of the jacking platform 5 and the horizontal hanging part 7 and between the top surface of the jacking platform 5 and the vertical abutting part 8, a jacking mechanism is installed on the surface of the jacking platform 5 between the two upper reinforcing ribs 4, and a screw hole 12 is formed in the bottom end of the vertical abutting part 8; the main innovation point of the embodiment is that the existing supporting platform structure is broken, the existing traditional platform structure is only provided with a bottom plate, the bottom plate is driven into the capping beam 1 or the pier stud through a plurality of screw holes 12 arranged on the bottom plate, and a deeper screw is usually required to be driven to ensure that the jacking mechanism is installed and the supporting platform can be prevented from loosening during jacking operation, so that the fixing mode greatly damages the internal structures of the capping beam 1 and the pier stud, and the supporting stability of the capping beam 1 and the pier stud has potential safety hazards; therefore, in order to prevent excessive screws from being driven into the cover beam 1, the bridge support replacing jacking supporting platform 2 adopts an L-shaped structure and can be hung on the cover beam 1, and two screw holes 12 are arranged at the bottom end of the vertical abutting part 8 to enhance the fixing effect, the two screw holes 12 are arranged to generate a downward acting force vertical load when a jacking mechanism is placed on the jacking platform 5 and carries out jacking operation, if the jacking mechanism is hung on the cover beam 1, the bridge support replacing jacking supporting platform 2 is easy to slide and the stability degree is not enough; in addition, when the jacking supporting platform 2 of the bridge support is replaced and hung on the cover beam 1, the distance between the jacking platform 5 and the bottom surface of the bridge can allow a jacking mechanism to be placed; the lower reinforcing rib 6 is arranged to enhance the supporting force of the jacking platform 5, and if the lower reinforcing rib 6 is not arranged, the downward pressure generated during the operation of the jacking mechanism cannot be supported by the welding strength between the jacking platform 5 and the vertical abutting part 8; secondly, this technical scheme's structure benefit still lies in can easy to assemble, in other words, the conventionality attaches the wall bracket and can't depend on alone and adorn, because will fix the while drilling on the bent cap with the hand, it is harder, and this technical scheme only need hang it well earlier, aim at the installation can, alone can the installation operation.

Specifically, two lower reinforcing ribs 6 are arranged between the bottom surface of the jacking platform 5 and the vertical abutting part 8, and the distance between the two lower reinforcing ribs 6 ranges from 90mm to 110 mm; the vertical abutting parts 8 respectively positioned at the outer sides of the two lower reinforcing ribs 6 are respectively provided with a screw hole 12, in the embodiment, the supporting effect that the distance between the two lower reinforcing ribs 6 is 100mm is optimal, at the moment, the two lower reinforcing ribs 6 are both positioned below the jacking mechanism placing position, the supporting effect can be effectively improved, and if the two lower reinforcing ribs 6 are close to each other too much, the supporting force is concentrated on one point and still has no lifting effect; the cross section of the upper reinforcing rib 4 is of a Z-shaped structure, wherein the top extending part is welded with the surface of the horizontal hanging part 7, the top extending part is of a slope-shaped structure 3, the slope of the top extending part is 45 degrees, firstly, the support strength of the jacking platform 5 can be further enhanced by the arrangement of the upper reinforcing rib 4, secondly, when the jacking support platform 2 is replaced by the bridge support and hung on the cover beam 1, the bending part between the horizontal hanging part 7 and the vertical abutting part 8 is stressed due to jacking operation, and the bending part needs to be enhanced in firmness degree, so that the upper reinforcing rib 4 is of the Z-shaped structure, and the extending part is welded with the horizontal hanging part 7 to further optimize the firmness degree; in the embodiment, the outer side wall of the upper reinforcing rib 4 is flush with the end part of the jacking platform 5, and the thickness range of the upper reinforcing rib 4 is 9-11 mm, so that the arrangement aim of avoiding excessive occupation of the use area of the jacking platform 5 and preventing the situation that a jacking mechanism cannot be placed is fulfilled; the bottom edges of the upper reinforcing ribs 4 are consistent with the end part of the jacking platform 5 in length, so that the jacking platform 5 can be in a semi-wrapping structure, and the structure can effectively limit the jacking mechanism from shaking during operation; jacking platform 5's top surface and level are hung and are established portion 7 and perpendicular butt portion 8 between have two supplementary powerful ribs 11 of strengthening perpendicularly welded, supplementary powerful rib 11 is located the inboard of strengthening the powerful rib 4 respectively and rather than being parallel, and this structure can further strengthen jacking platform 5's support intensity, in addition in order to can install finish rolling twisted steel 10 and realize that intensity is to drawing and prepare, supplementary powerful rib 11 and the top of strengthening the powerful rib 4 are equipped with backing plate 9, the effect of backing plate 9 is described in detail further below, supplementary powerful rib is in addition to strengthening the support, still provides the anchor fulcrum for finish rolling twisted steel 10.

In other embodiments, the screw holes are vertically adjustable screw holes for flexibility in installation.

The second implementation:

the embodiment illustrates a jacking supporting platform tool, which comprises two bridge support replacing jacking supporting platforms 2 mentioned in the first embodiment, wherein the bridge support replacing jacking supporting platform 2 can be hung on a cover beam 1 or a pier stud, and a plurality of jacking supporting platform tools can be arranged during engineering construction to realize the effect of jacking a bridge body; the technical scheme has the advantages that the jacking support strength is enhanced on the premise that the internal structure of the coping 1 or the pier stud is not damaged, and the two bridge support replacing jacking support platforms 2 are respectively arranged on the two sides of the coping 1 or the pier stud; the horizontal hanging part 7 is hung on the bent cap 1, the vertical abutting part 8 is screwed and fixed through the expansion bolt passing through the screw hole 12, and the expansion bolt has the advantages of being free from shearing and having a stabilizing effect; the jacking support platform tool further comprises two finish rolling twisted steel bars 10, a base plate 9 is arranged on the outer side of the top of the upper reinforcing rib 4, and the base plate 9 is provided with a threaded hole; two ends of the finish-rolled threaded steel bar 10 are respectively placed in the backing plate 9 to be butted with the threaded holes on the basis that the finish-rolled threaded steel bar does not penetrate through the bent cap 1; this technical scheme includes two kinds of implementation modes, as shown in fig. 5 to fig. 6, mainly according to bent cap 1's structure, because not all bent cap 1 is linear portion, there is the curve part, and bent cap 1 when linear portion can adopt to set up finish rolling twisted steel 10 and realize the bridge beam supports of both sides and change jacking supporting platform 2 counter-pulling effect, further promote vertical load, and the curve part then can't set up finish rolling twisted steel 10 and strengthen vertical load, can only 1 both sides of bent cap hang the mode of establishing bridge beam supports and changing jacking supporting platform 2.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model.

The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. A jacking supporting platform for replacing a bridge support is characterized by comprising a supporting bottom plate, wherein the supporting bottom plate is of an L-shaped structure; the supporting bottom plate comprises a horizontal hanging part (7) and a vertical abutting part (8), a jacking platform (5) is vertically welded on the vertical abutting part (8), and at least one lower reinforcing rib (6) is vertically welded between the bottom surface of the jacking platform (5) and the vertical abutting part (8); the top surface and the level of jacking platform (5) are hung and are established portion (7) and perpendicular butt portion (8) between perpendicular welding have two to go up strengthening rib (4), and jacking platform (5) surface that is located between two last strengthening rib (4) is used for installing climbing mechanism, the bottom of perpendicular butt portion (8) is equipped with screw hole (12).

2. The jacking support platform for replacing the bridge bearing according to claim 1, wherein two lower reinforcing ribs (6) are arranged between the bottom surface of the jacking platform (5) and the vertical butting part (8), and the distance between the two lower reinforcing ribs (6) ranges from 90mm to 110 mm; the vertical abutting parts (8) respectively positioned at the outer sides of the two lower reinforcing ribs (6) are respectively provided with a screw hole (12).

3. The bridge bearer replacement jacking support platform of claim 1, wherein the cross-section of the upper stiffening rib (4) is in a zigzag structure, wherein the top extension is welded to the surface of the horizontal hanging part (7), and the top extension is in a slope structure (3) with a slope of 45 °.

4. Jacking support platform for bridge beam supports replacement according to claim 1, wherein the outer side wall of the upper stiffening rib (4) is flush with the end of the jacking platform (5), and the thickness of the upper stiffening rib (4) ranges from 9mm to 11 mm.

5. The bridge bearing replacing jacking supporting platform of claim 3, wherein the bottom edge of the upper reinforcing rib (4) is consistent with the length of the end part of the jacking platform (5), so that the jacking platform (5) is in a semi-wrapping structure.

6. The replacing jacking supporting platform for the bridge bearing according to claim 3, wherein two auxiliary strengthening ribs (11) are vertically welded between the top surface of the jacking platform (5) and the horizontal hanging part (7) and the vertical butting part (8), and the auxiliary strengthening ribs (11) are respectively positioned at the inner sides of the upper strengthening ribs (4) and are parallel to the upper strengthening ribs.

7. The bridge bearer replacement jacking support platform of claim 6, wherein the distance between the auxiliary stiffening rib (11) and the upper stiffening rib (4) is 30mm, and a screw hole (12) is provided on the vertical abutting portion (8) between the auxiliary stiffening rib (11) and the upper stiffening rib (4).

8. Jacking support platform for bridge beam support replacement according to claim 6, wherein the top of the auxiliary stiffening ribs (11) and the upper stiffening ribs (4) are provided with tie plates (9).

9. A jacking support platform tool, which is characterized by comprising two bridge support replacing jacking support platforms according to any one of claims 1 to 8, wherein the two bridge support replacing jacking support platforms are respectively arranged on two sides of a cover beam (1) or a pier stud; the horizontal hanging part (7) is hung on the bent cap (1), and the vertical abutting part (8) passes through the screw hole (12) through an expansion bolt and is screwed and fixed.

10. The jacking support platform tool according to claim 9, further comprising two finish-rolled threaded steel bars (10), wherein a base plate (9) is arranged on the outer side of the top of the upper reinforcing rib (4), and the base plate (9) is provided with a threaded hole; and two ends of the finish-rolled threaded steel bar (10) are respectively placed in the backing plate (9) to be butted with the threaded holes on the basis that the finish-rolled threaded steel bar does not penetrate through the capping beam (1).