CN211498537U

CN211498537U - Jacking support for replacing bridge bearing

Info

Publication number: CN211498537U
Application number: CN201922457106.5U
Authority: CN
Inventors: 李剑; 程少辉; 方亮; 汤峰; 吕鑫
Original assignee: Hunan Hengcheng Tongrui Road And Bridge Engineering Co ltd
Current assignee: Hunan Hengcheng Tongrui Road And Bridge Engineering Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a jacking support of bridge beam supports change usefulness, including the roof beam body, roof beam body below is equipped with the pier stud, be equipped with the support between the roof beam body and the pier stud, be equipped with the voussoir between roof beam body bottom and the support, be provided with the stone between support bottom and the pier stud, pier stud periphery department is equipped with a plurality of fastener, fastener include two with the arc mounting plate that the pier stud outer wall was hugged closely, the top in the arc mounting plate outside and the equal welded fastening in bottom have the riser, the riser is kept away from one side bottom welded fastening of arc mounting plate has the diaphragm, the utility model discloses a setting up fastener and making this jacking support's stability higher, thereby effectively prevented through setting up stop device and take place phenomenons such as slip, dislocation when the jack uses.

Description

Jacking support for replacing bridge bearing

Technical Field

The utility model relates to a jacking support of bridge beam supports change usefulness belongs to public road bridge roof beam technical field.

Background

Along with the increase of the service life of the bridge, the phenomena of deviation of the existing bridge support or damage of the existing bridge support and the like are more and more common and prominent, the normal use of the bridge is influenced, the bridge needs to be jacked, and then maintenance construction operations such as support replacement, cushion stone repair and the like are carried out, so that a safe and convenient construction operation platform is urgently needed to complete the work.

At present there are a lot of problems in bridge beam supports change process, like present some hydraulic jack that are used for bridge beam supports to change when using, phenomenon such as the hydraulic jack slides, misplaces takes place easily when using, influences the effect that hydraulic jack supported the bridge, again like the jacking support that present bridge beam supports change the adoption receives the restriction of bridge itself and the influence of site operation environment, and the difficult assurance of reliability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a jacking support that bridge beam supports changed usefulness, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a jacking support for replacing a bridge bearing comprises a beam body, wherein a pier column is arranged below the beam body, a bearing is arranged between the beam body and the pier column, a wedge block is arranged between the bottom of the beam body and the bearing, a cushion stone is arranged between the bottom of the bearing and the pier column, a plurality of fastening devices are arranged at the periphery of the pier column, each fastening device comprises two arc-shaped fastening plates tightly attached to the outer wall of the pier column, vertical plates are fixedly welded at the top and the bottom of the outer side of each arc-shaped fastening plate, a transverse plate is fixedly welded at the bottom of one side, away from the arc-shaped fastening plates, of each vertical plate, a reinforcing column is fixedly connected between each vertical plate and the transverse plate, a bearing plate is fixedly welded at the top of each fastening device, a jack is installed at the top of the bearing plate, limiting devices are arranged at two sides of each jack, each limiting device comprises an arc-shaped clamping plate connected with two sides of, one side of the arc-shaped clamping plate, far away from the jack, is fixedly connected with an installation block through a cross rod, one side of the installation block, far away from the cross rod, is fixedly provided with a hollow seat, a pushing block is arranged inside the hollow seat, an adjusting screw rod is connected in the nut seat in a penetrating manner through threads, and the end part of the adjusting screw rod penetrates through the outer wall of the hollow seat and is fixedly connected with the pushing block.

As an optimized technical scheme of the utility model, fixedly connected with reinforcing plate between two diaphragms of fastener.

As an optimal technical scheme of the utility model, the both ends of strengthening the post respectively through fastening bolt with the riser the diaphragm is connected.

As a preferred technical scheme of the utility model, it is adjacent fastener is contradicted each other, and contradicts each other connect through fastening bolt between the riser.

As a preferred technical scheme of the utility model, be located riser one side top arc mounting plate top with riser top parallel and level, and loading board bottom with the riser top arc mounting plate top all welded fastening, the shape of loading board is fan-shaped.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up fastener, place the loading board in the pier stud top, and make the loading board form convex, arc mounting plate is contradicted and is being fixed in the pier stud outside this moment, and can cover pier stud outer wall a week is whole, uses fastening bolt will contradict each other connect between the riser, make fastener obtain locking between two liang, and reinforcing plate and the column that strengthens all can increase fastener's structural stability, make this jacking support's stability higher.

2. The utility model discloses a set up stop device, stop device's that makes respectively before using the jack arc splint are contradicted with the jack both sides, and adjusting screw is rotated to concrete accessible, makes adjusting screw remove in the nut seat to drive the promotion piece and remove, thereby promote the piece and promote the installation piece and remove, thereby make arc splint conflict jack, thereby effectively prevented phenomenons such as the jack emergence is slided, misplaced when using.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention;

FIG. 2 is a view of the structure of the fastening device of the present invention;

fig. 3 is a top view structure diagram of the limiting device of the present invention.

Reference numbers in the figures: 1. a beam body; 2. pier studs; 3. a support; 4. a wedge block; 5. a cushion stone; 6. a fastening device; 61. an arc-shaped fastening plate; 62. a vertical plate; 63. a transverse plate; 64. a reinforcement column; 65. a reinforcing plate; 7. a carrier plate; 8. a jack; 9. a limiting device; 91. an arc-shaped splint; 92. a nut seat; 93. a cross bar; 94. mounting blocks; 95. a hollow seat; 96. a pushing block; 97. adjusting the screw rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a jacking bracket for replacing a bridge bearing comprises a beam body 1, a pier stud 2 is arranged below the beam body 1, a bearing 3 is arranged between the beam body 1 and the pier stud 2, a wedge 4 is arranged between the bottom of the beam body 1 and the bearing 3, a pad stone 5 is arranged between the bottom of the bearing 3 and the pier stud 2, a plurality of fastening devices 6 are arranged at the periphery of the pier stud 2, each fastening device 6 comprises two arc-shaped fastening plates 61 tightly attached to the outer wall of the pier stud 2, vertical plates 62 are welded and fixed at the top and the bottom of the outer sides of the arc-shaped fastening plates 61, transverse plates 63 are welded and fixed at the bottoms of the sides of the vertical plates 62 far away from the arc-shaped fastening plates 61, reinforcing columns 64 are fixedly connected between the vertical plates 62 and the transverse plates 63, a bearing plate 7 is welded and fixed at the tops of the fastening devices 6, the number of the fastening devices 6 can be selected according to, if the number of the fastening devices 6 is 3 or 4, if the number of the fastening devices 6 is 3, the central angle between the arc fastening plate 61 and the bearing plate 7 is 120 °, so that the 3 fastening devices 6 can completely cover a circle of the outer wall of the pier stud 2 when being fixed on the outer side of the pier stud 2, the 3 arc fastening plates 61 and the 3 bearing plates 7 can form a circular ring shape, the top of the bearing plate 7 is provided with a jack 8, both sides of the jack 8 are provided with a limiting device 9, the limiting device 9 comprises an arc clamping plate 91 connected with both sides of the jack 8 in an abutting manner and a nut seat 92 fixedly connected with the top of the bearing plate 7, one side of the arc clamping plate 91 far away from the jack 8 is fixedly connected with an installation block 94 through a cross rod 93, one side of the installation block 94 far away from the cross rod 93 is fixedly provided with a hollow seat 95, and a pushing block 96 is arranged inside the hollow seat 95, the nut seat 92 is internally and penetratingly connected with an adjusting screw 97 through threads, the end portion of the adjusting screw 97 penetrates through the outer wall of the hollow seat 95 and is fixedly connected with the pushing block 96, the arc-shaped clamping plates 91 of the limiting device 9 are respectively abutted against the two sides of the jack 8 before the jack 8 is used, the adjusting screw 97 can be rotated to move the adjusting screw 97 in the nut seat 92 and drive the pushing block 96 to move, the pushing block 96 pushes the mounting block 94 to move, the arc-shaped clamping plates 91 are abutted against the jack 8, then the jack 8 is connected with a hydraulic system and a controller and jacks the beam body, when the beam body is jacked to a preset height, the auxiliary support can be placed between the beam body and the bearing plate 7, and after the jack 8 returns oil, the support 3 can be maintained, replaced and the like.

As shown in fig. 2, a reinforcing plate 65 is fixedly connected between the two transverse plates 63 of the fastening device 6, two ends of the reinforcing column 64 are respectively connected with the vertical plate 62 and the transverse plates 63 through fastening bolts, and both the reinforcing plate 65 and the reinforcing column 64 can increase the structural stability of the fastening device 6.

As shown in fig. 2, adjacent fastening devices 6 are mutually abutted, and mutually abutted risers 62 are connected through fastening bolts, 3 fastening devices 6 can completely cover the outer wall of the pier stud 2 for a circle when being fixed on the outer side of the

pier stud

2, 3 arc-shaped fastening plates 61 can form a circular ring shape, and mutually abutted risers 62 are connected through fastening bolts, so that the fastening devices 6 are locked between two pairs.

As shown in fig. 1, be located at riser 62 one side top arc mounting plate 61 top with riser 62 top parallel and level, and loading board 7 bottom with riser 62 top arc mounting plate 61 top all welded fastening, the shape of loading board 7 is fan-shaped, makes 3 loading boards 7 all can constitute ring shape to the ring shape center is cavity, can provide the accommodation space of stone pad 5.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in actual use: firstly, the bearing plate 7 is placed on the top of the pier stud 2, the bearing plate 7 is made to be in a circular arc shape, the arc-shaped fastening plate 61 is abutted and fixed on the outer side of the pier stud 2, the outer wall of the pier stud 2 can be completely covered by one circle, the mutually abutted vertical plates 62 are connected by using fastening bolts, the fastening devices 6 are locked in pairs, the arc-shaped clamping plate 91 of the limiting device 9 is abutted against two sides of the jack 8 before the jack 8 is used, specifically, the adjusting screw 97 can be rotated to move the adjusting screw 97 in the nut seat 92 and drive the pushing block 96 to move, so that the pushing block 96 pushes the mounting block 94 to move, the arc-shaped clamping plate 91 is abutted against the jack 8, the jack 8 is used for jacking the beam, after the beam is jacked to a preset height, the auxiliary support can be placed between the beam and the bearing plate 7, after the jack 8 returns oil, maintenance and replacement of the pedestal 3 can be performed.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a jacking support of bridge beam supports change usefulness, includes the roof beam body (1), roof beam body (1) below is equipped with pier stud (2), be equipped with between roof beam body (1) and pier stud (2) support (3), be equipped with voussoir (4) between roof beam body (1) bottom and support (3), be provided with between support (3) bottom and pier stud (2) and fill up stone (5), its characterized in that: the outer periphery of the pier column (2) is provided with a plurality of fastening devices (6), each fastening device comprises two arc-shaped fastening plates (61) tightly attached to the outer wall of the pier column (2), vertical plates (62) are welded and fixed to the top and the bottom of the outer side of each arc-shaped fastening plate (61), transverse plates (63) are welded and fixed to the bottom of one side, away from the arc-shaped fastening plates (61), of each vertical plate (62), reinforcing columns (64) are fixedly connected between the corresponding vertical plates (62) and the corresponding transverse plates (63), a bearing plate (7) is welded and fixed to the top of each fastening device (6), a jack (8) is installed at the top of each bearing plate (7), limiting devices (9) are arranged on two sides of each jack (8), each limiting device (9) comprises an arc-shaped clamping plate (91) connected with two sides of each jack (8) in an abutting mode and a nut seat (92) fixedly connected with the top, arc splint (91) are kept away from one side of jack (8) is through horizontal pole (93) fixedly connected with installation piece (94), installation piece (94) are kept away from one side of horizontal pole (93) is fixed and is equipped with hollow seat (95), the inside promotion piece (96) that is equipped with of hollow seat (95), there is adjusting screw (97) through threaded through connection in nut seat (92), adjusting screw (97) tip runs through hollow seat (95) outer wall and with promote piece (96) fixed connection.

2. The jacking bracket for replacing a bridge deck according to claim 1, wherein: and a reinforcing plate (65) is fixedly connected between the two transverse plates (63) of the fastening device (6).

3. The jacking bracket for replacing a bridge deck according to claim 1, wherein: and two ends of the reinforcing column (64) are respectively connected with the vertical plate (62) and the transverse plate (63) through fastening bolts.

4. The jacking bracket for replacing a bridge deck according to claim 1, wherein: the adjacent fastening devices (6) are mutually abutted, and the mutually abutted vertical plates (62) are connected through fastening bolts.

5. The jacking bracket for replacing a bridge deck according to claim 1, wherein: be located at riser (62) one side top arc mounting plate (61) top with riser (62) top parallel and level, and loading board (7) bottom with riser (62) top arc mounting plate (61) top all welded fastening, the shape of loading board (7) is fan-shaped.