CN215629461U

CN215629461U - Synchronous jacking system is changed to bridge beam supports

Info

Publication number: CN215629461U
Application number: CN202122419731.8U
Authority: CN
Inventors: 朱梦媛; 张琳; 王振华; 尚杰
Original assignee: Shandong Taidong Highway Engineering Co ltd
Current assignee: Shandong Taidong Highway Engineering Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-25
Anticipated expiration: 2031-10-08

Abstract

The application discloses a synchronous jacking system for replacing a bridge support, which relates to the technical field of bridges and improves the problem that a bridge supporting device is difficult to keep balance, and comprises a bridge, wherein two sides of the bridge are provided with protective plates, the inner walls of the protective plates are provided with supporting plates, the four corners of the bottom of each supporting plate are respectively provided with a cushion block, the bottom of each cushion block is provided with a first hydraulic machine, the bottom of each first hydraulic machine is provided with a balance frame, the four corners of the bottom of each balance frame are provided with a second hydraulic machine, the bottom of each second hydraulic machine is provided with a cushion base, the bottom of each balance frame is provided with a balance ruler, one side of each balance ruler is provided with a signal receiver, one side of each cushion base is provided with a centralized processor, the top of the centralized processor is provided with a display, one side of the display is provided with a signal transmitter, the design of the application reduces the influence on the first hydraulic machine due to terrain, and increases the mechanical balance, the construction period is short, and the construction cost is low.

Description

Synchronous jacking system is changed to bridge beam supports

Technical Field

The application relates to the technical field of bridges, in particular to a synchronous jacking system for replacing a bridge bearing.

Background

In the bridge structure, the support is an important part for connecting an upper structure and a lower structure of the bridge, has a tiny structure, can be called as a lumbar vertebra of the bridge, has the function of smoothly and safely transmitting the load of the upper structure to a bridge abutment, and simultaneously ensures the free deformation of the upper structure under the action of factors such as load, temperature change, concrete shrinkage and creep and the like, so that the actual stress condition of the structure conforms to a calculation diagram, and the beam end and the abutment cap beam are protected from being damaged. The reliability of the bridge bearings will directly affect the safety and durability of the bridge structure.

In some beam bridges constructed in the early period, due to long operation time and the influence of field environment, the problem of long-term malnutrition of the support is common: some rubber supports are increasingly aged; some steel plate supports are corroded and failed; and some simply supported bridges with smaller span are not provided with supports originally. Under the action of large tonnage and large traffic volume at present, the bridge has a series of problems, and the replacement or addition of the support is urgently needed. Meanwhile, due to the development of modern traffic, the time for interrupting the traffic is not interrupted or shortened as much as possible, and higher requirements are put forward on the replacement construction of the support. Particularly, on expressways and urban expressways, traffic cannot be completely closed in road construction, and smooth roads must be ensured, so that a new challenge is provided for the bridge support replacement construction technology.

In view of the above-mentioned related technologies, the inventor believes that the conventional support replacing method is to use a series of lifting or jacking devices to jack up the beam slab on the top surface of the abutment or on a preset support, and then replace the support.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that bridge supporting device is difficult to keep balance, this application provides a synchronous jacking system is changed to bridge beam supports.

The application provides a synchronous jacking system is changed to bridge beam supports adopts following technical scheme:

the jacking system comprises a bridge, protection plates are arranged on two sides of the bridge, support plates are arranged on the inner walls of the protection plates, cushion blocks are arranged at four corners of the bottom of each support plate respectively, a first hydraulic machine is arranged at the bottom of each cushion block, a balance frame is arranged at the bottom of each first hydraulic machine, second hydraulic machines are arranged at four corners of the bottom of each balance frame, and a pad base is arranged at the bottom of each second hydraulic machine.

By adopting the technical scheme, the balance frame is kept balanced through the adjustment of the second hydraulic machine, the influence of the ground on the second hydraulic machine is reduced through the design of the cushion base, the cushion plate is designed, the structural strength between the cushion block and the support plate is increased, the assembly is convenient, the diameter of the reinforcing column is the same as that of the fixing ring, a circular hole is formed in the hydraulic rod, the reinforcing column is inserted with the circular hole through a bolt, the structural strength between the hydraulic rod and the cushion block is increased through the design of the fixing ring, the safety is improved, the diameter of the reinforcing column is matched with the fixing ring, the butt joint of the reinforcing column and the circular hole is facilitated, the protection plate is matched with the support plate, the bridge is conveniently fixed, the design reduces the influence on the first hydraulic machine due to the terrain, increases the balance of the machine, and has short construction period and low construction cost.

Optionally, the bottom of the balance frame is provided with a balance ruler, and the balance ruler is connected with the balance frame through lifting lugs and bolts on two sides.

Through adopting above-mentioned technical scheme, make things convenient for the workman to observe the horizontal angle of balancing stand through the design of balance ruler, the design through the lug has made things convenient for the installation and the dismantlement of balancing stand.

Optionally, guard plate and backup pad are including the protection box, the protection box is provided with a plurality of, the inside of protection box is provided with branch, the both ends welding of branch has first nut, the middle part welding of branch has the second nut.

Through adopting above-mentioned technical scheme, the backup pad is formed by the preparation of a plurality of protection box bolted connection, can adjust the backup pad according to the width of bridge like this, facilitates the use, and the backup pad is connected with the guard plate through the second nut, through the design to the second nut, has made things convenient for the installation of guard plate, has increased work efficiency.

Optionally, a base plate is arranged at the top of the cushion block, and the base plate is connected with a first nut through a bolt.

Through adopting above-mentioned technical scheme, through the design to the backing plate, increased the structural strength between cushion and the backup pad, convenient equipment has increased work efficiency.

Optionally, a jack is arranged inside the cushion block, a hydraulic rod is arranged at the outlet end of the top of the first hydraulic machine, and the hydraulic rod and the jack are matched with each other.

Through adopting above-mentioned technical scheme, through the design to the jack, the diameter of hydraulic stem is less than the internal diameter of jack, has made things convenient for the insertion of hydraulic stem.

Optionally, a fixing ring is arranged in the middle of the hydraulic rod, a reinforcing column is arranged at the bottom of the cushion block, the diameter of the reinforcing column is the same as that of the fixing ring, a circular hole is formed in the hydraulic rod, and the reinforcing column is inserted into the circular hole through a bolt.

Through adopting above-mentioned technical scheme, increased the structural strength between hydraulic stem and the cushion through the design to solid fixed ring, increased the security, strengthen the diameter of post and the solid fixed ring between mutually supporting, made things convenient for the butt joint of strengthening post and circular port, increased work efficiency.

Optionally, the second hydraulic machines are located at four corners of the top of the pad base, and the second hydraulic machines are provided with a plurality of hydraulic machines.

Through adopting above-mentioned technical scheme, increased the stability of second hydraulic press through the design of pad base, avoided the second hydraulic press skew to appear, the pad base is located locomotive or subaerial.

Optionally, the pad base is provided with two layers, the periphery of the pad base is provided with a fixing plate, and an extension rod is inserted into the fixing plate.

Through adopting above-mentioned technical scheme, the design of fixed plate has increased the stability of filling up the base, and the extension bar of the inside grafting of fixed plate can prevent that the fixed plate is not hard up, has increased the security.

In summary, the present application includes at least one of the following benefits:

1. through the balanced angle of the design detectable gimbal of balance chi, the diameter of strengthening the post is the same with solid fixed ring's diameter, the circular port has been seted up to the inside of hydraulic stem, it has the circular port to strengthen the post through bolt grafting, structural strength between hydraulic stem and the cushion has been increased through the design to solid fixed ring, the security has been increased, strengthen the diameter of post and the solid fixed ring between mutually supporting, the butt joint of strengthening post and circular port has been made things convenient for, mutually supporting between guard plate and the backup pad, the convenience is fixed the bridge, such design reduction is because of the influence of topography to first hydraulic press, increase mechanical equilibrium, construction cycle is shorter, low in construction cost.

2. Guard plate and backup pad are including the protection box, the protection box is provided with a plurality of, the inside of protection box is provided with branch, the both ends welding of branch has first nut, the middle part welding of branch has the second nut, the backup pad is formed by the preparation of a plurality of protection box bolted connection, can adjust the backup pad according to the width of bridge like this, facilitate the use, the backup pad is connected with the guard plate through the second nut, through the design to the second nut, the installation of guard plate has been made things convenient for, work efficiency has been increased, the top of cushion is provided with the backing plate, the backing plate has first nut through bolted connection, through the design to the backing plate, structural strength between cushion and the backup pad has been increased, convenient equipment has increased work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic diagram of the cushion block structure of the present embodiment;

FIG. 3 is a schematic structural view of a support plate according to the present embodiment;

fig. 4 is a schematic view of the pad base structure of the present embodiment.

Description of reference numerals: 1. a bridge; 2. a protection plate; 3. a support plate; 31. a protective case; 311. a strut; 312. a first nut; 313. a second nut; 4. cushion blocks; 41. a base plate; 42. a jack; 43. a reinforcement column; 5. a first hydraulic machine; 51. a hydraulic lever; 511. a circular hole; 52. a fixing ring; 6. a balancing stand; 61. a balance scale; 611. lifting lugs; 7. a second hydraulic machine; 8. a pad base; 81. a fixing plate; 82. and (5) lengthening the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example (b):

the embodiment of the application discloses synchronous jacking system is changed to bridge beam supports. Referring to fig. 1, 2 and 3, the bridge comprises a bridge 1, two sides of the bridge 1 are provided with protection plates 2, the inner walls of the protection plates 2 are provided with support plates 3, the protection plates 2 and the support plates 3 comprise protection boxes 31, the protection boxes 31 are provided with a plurality of protection boxes, supporting rods 311 are arranged inside the protection boxes 31, first nuts 312 are welded at two ends of the supporting rods 311, second nuts 313 are welded at the middle parts of the supporting rods 311, the support plates 3 are manufactured by connecting a plurality of protection boxes 31 through bolts, so that the support plates 3 can be adjusted according to the width of the bridge 1 and are convenient to use, the support plates 3 are connected with the protection plates 2 through the second nuts 313, the installation of the protection plates 2 is facilitated through the design of the second nuts 313, the working efficiency is increased, cushion blocks 4 are respectively arranged at four corners of the bottom of the support plates 3, a backing plate 41 is arranged at the top of the cushion blocks 4, and the backing plate 41 is connected with the first nuts 312 through bolts, through the design to backing plate 41, increased the structural strength between cushion 4 and backup pad 3, convenient equipment has increased work efficiency.

Referring to fig. 1, 2 and 3, a first hydraulic machine 5 is arranged at the bottom of a cushion block 4, a jack 42 is arranged inside the cushion block 4, a hydraulic rod 51 is arranged at the outlet end of the top of the first hydraulic machine 5, the hydraulic rod 51 is matched with the jack 42, the diameter of the hydraulic rod 51 is smaller than the inner diameter of the jack 42 due to the design of the jack 42, so that the hydraulic rod 51 can be conveniently inserted, a fixing ring 52 is arranged in the middle of the hydraulic rod 51, a reinforcing column 43 is arranged at the bottom of the cushion block 4, the diameter of the reinforcing column 43 is the same as that of the fixing ring 52, a circular hole 511 is formed inside the hydraulic rod 51, the reinforcing column 43 is inserted into the circular hole 511 through a bolt, the structural strength between the hydraulic rod 51 and the cushion block 4 is increased due to the design of the fixing ring 52, the safety is increased, the diameter of the reinforcing column 43 is matched with the fixing ring 52, so that the butt joint of the reinforcing column 43 and the circular hole 511 is facilitated, the working efficiency is increased.

Referring to fig. 1 and 4, a balance frame 6 is arranged at the bottom of a first hydraulic machine 5, second hydraulic machines 7 are arranged at four corners of the bottom of the balance frame 6, a pad base 8 is arranged at the bottom of each second hydraulic machine 7, a balance ruler 61 is arranged at the bottom of the balance frame 6, lifting lugs 611 are arranged on two sides of each balance ruler 61, the balance ruler 61 is convenient to mount through the design of the lifting lugs 611, the balance angle of the balance frame 6 can be detected through the design of the balance ruler 61, and the balance frame 6 is kept balanced through the adjustment of the second hydraulic machines 7.

Referring to fig. 1 and 4, second hydraulic press 7 is located 8 top four corners of pad base, second hydraulic press 7 is provided with a plurality of, the stability of second hydraulic press 7 has been increased through the design of pad base 8, avoid second hydraulic press 7 skew to appear, pad base 8 is located the locomotive or subaerial, pad base 8 sets up two-layerly, be provided with fixed plate 81 around pad base 8, the inside grafting of fixed plate 81 has extension bar 82, the design of fixed plate 81 has increased the stability of pad base 8, the extension bar 82 of the inside grafting of fixed plate 81 can prevent that fixed plate 81 is not hard up, the security has been increased, such design reduces the influence to first hydraulic press 5 because of the topography, increase mechanical equilibrium, construction cycle is shorter, and construction cost is low.

The implementation principle of the synchronous jacking system is changed to bridge beam supports of this application embodiment does:

the balance angle of the balance frame 6 can be detected through the design of the balance ruler 61, the balance frame 6 is kept balanced through the adjustment of the second hydraulic machine 7, the influence of the ground on the second hydraulic machine 7 is reduced through the design of the cushion base 8, the structural strength between the cushion block 4 and the support plate 3 is increased through the design of the cushion plate 41, the assembly is convenient, the diameter of the reinforcing column 43 is the same as that of the fixing ring 52, the circular hole 511 is formed in the hydraulic rod 51, the circular hole 511 is inserted into the reinforcing column 43 through a bolt, the structural strength between the hydraulic rod 51 and the cushion block 4 is increased through the design of the fixing ring 52, the safety is increased, the diameter of the reinforcing column 43 is matched with the fixing ring 52, the butt joint of the reinforcing column 43 and the circular hole 511 is facilitated, the mutual matching between the protection plate 2 and the support plate 3 is facilitated, the bridge 1 is conveniently fixed, the influence of the terrain on the first hydraulic machine 5 is reduced through the design, the balance of the machine is improved, the construction period is short, and the construction cost is low.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a synchronous jacking system is changed to bridge beam supports, including bridge (1), its characterized in that: the bridge is characterized in that protection plates (2) are arranged on two sides of the bridge (1), support plates (3) are arranged on the inner walls of the protection plates (2), cushion blocks (4) are arranged at four corners of the bottom of each support plate (3), first hydraulic machines (5) are arranged at the bottoms of the cushion blocks (4), balancing frames (6) are arranged at the bottoms of the first hydraulic machines (5), second hydraulic machines (7) are arranged at four corners of the bottom of each balancing frame (6), and pad bases (8) are arranged at the bottoms of the second hydraulic machines (7).

2. The synchronous jacking system of claim 1, wherein: the bottom of the balance frame (6) is provided with a balance ruler (61), and the balance ruler (61) is connected with the balance frame (6) through lifting lugs (611) on two sides through bolts.

3. The synchronous jacking system of claim 1, wherein: protection plate (2) and backup pad (3) are including protection box (31), protection box (31) are provided with a plurality of, the inside of protection box (31) is provided with branch (311), the both ends welding of branch (311) has first nut (312), the middle part welding of branch (311) has second nut (313).

4. The synchronous jacking system of claim 1, wherein: the top of the cushion block (4) is provided with a backing plate (41), and the backing plate (41) is connected with a first nut (312) through a bolt.

5. The synchronous jacking system of claim 4, wherein: the hydraulic press is characterized in that a jack (42) is arranged inside the cushion block (4), a hydraulic rod (51) is arranged at the outlet end of the top of the first hydraulic press (5), and the hydraulic rod (51) is matched with the jack (42).

6. The synchronous jacking system of claim 5, wherein: the middle part of the hydraulic rod (51) is provided with a fixing ring (52), the bottom of the cushion block (4) is provided with a reinforcing column (43), the diameter of the reinforcing column (43) is the same as that of the fixing ring (52), a circular hole (511) is formed in the hydraulic rod (51), and the reinforcing column (43) is inserted into the circular hole (511) through a bolt.

7. The synchronous jacking system of claim 1, wherein: the second hydraulic machines (7) are positioned at four corners of the top of the pad base (8), and the second hydraulic machines (7) are provided with a plurality of hydraulic machines.

8. The synchronous jacking system of claim 1, wherein: the cushion base (8) is provided with two layers, fixing plates (81) are arranged on the periphery of the cushion base (8), and extension rods (82) are inserted into the fixing plates (81).