CN221441330U - Jacking device for jacking bridge - Google Patents
Jacking device for jacking bridge Download PDFInfo
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- CN221441330U CN221441330U CN202323637903.4U CN202323637903U CN221441330U CN 221441330 U CN221441330 U CN 221441330U CN 202323637903 U CN202323637903 U CN 202323637903U CN 221441330 U CN221441330 U CN 221441330U
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- jacking
- bridge
- connecting flange
- distribution module
- distribution
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 210000002445 nipple Anatomy 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a jacking device for jacking a bridge, which belongs to the technical field of bridge jacking and comprises a jacking mechanism and a distribution mechanism, wherein the distribution mechanism is arranged at the upper part of the jacking mechanism; the jacking mechanism comprises a jack cylinder body, a second connecting flange is arranged on the upper portion of the jack cylinder body, the distribution mechanism comprises a distribution module and a first connecting flange, a first connecting flange is arranged on the lower portion of the distribution module, and a second connecting flange is arranged on the lower portion of the first connecting flange. Can promote the efficiency of construction to stability when guaranteeing the jacking, the suitability is strong.
Description
Technical Field
The utility model belongs to the technical field of bridge jacking, and particularly relates to a jacking device for bridge jacking.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Stereoscopic traffic is an effective way to improve urban traffic, and urban overhead bridges are an important component of urban stereoscopic traffic. Along with the promotion of urban construction, the crowd gathering is more and more obvious, and the requirements on urban traffic facilities are higher and higher, so that the requirements of some established urban bridges are more and more difficult to meet, and the existing traffic facilities need to be transformed or expanded.
The lifting of the bridge is a mode for reforming the existing bridge, the main process is to set temporary supports, lift or lower the bridge structure through jacks to change the elevation of the bridge structure, and reform and construct a pier, a support or a girder.
When the jack is used for jacking a structural object, a distribution beam is generally required to be installed, single-point concentrated load of the jack is converted into uniform load, and safety accidents such as punching damage or overturning and the like of the jacking structure are avoided. The position of the distribution beam is between the jack and the structure being lifted, and the installation process involves overhead operations. Especially when the distribution beam body is large, professional hoisting personnel and equipment are more needed, and the threshold and the danger of construction are improved. And the type of bridge is different, needs different distribution beams to cooperate with jack lifting, only adopts one kind of distribution beam lifting to cause potential safety hazard, and adopts different distribution beams to need constantly to change, and the suitability is not enough.
Disclosure of utility model
Aiming at the problems, the utility model provides the jacking device for jacking the bridge, which can improve the construction efficiency, ensure the stability during jacking and has strong applicability.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The jacking device for jacking the bridge comprises a jacking mechanism and a distribution mechanism, wherein the distribution mechanism is arranged at the upper part of the jacking mechanism; the jacking mechanism comprises a jack cylinder body, a second connecting flange is arranged on the upper portion of the jack cylinder body, the distribution mechanism comprises a distribution module and a first connecting flange, a first connecting flange is arranged on the lower portion of the distribution module, and a second connecting flange is arranged on the lower portion of the first connecting flange.
Further, a first bolt hole is formed in the first connecting flange, a second bolt hole is formed in the second connecting flange, and a plurality of first bolt holes and second bolt holes are formed in the second connecting flange at intervals.
Further, the first connecting flange and the second connecting flange are connected through connecting bolts, and the connecting bolts penetrate through the first bolt holes and the second bolt holes.
Further, the distribution module is fixedly connected with the first connecting flange, and the hydraulic rod in the jack cylinder body is fixedly connected with the second connecting flange.
Further, the distribution module is in a round platform structure, and the diameter of the upper part of the distribution module is larger than that of the lower part of the distribution module.
Further, the upper end of the distribution module is tightly attached to the lower surface of the bridge, and the lower end of the distribution module is fixedly connected with the first connecting flange.
Further, an anti-slip pad is arranged on the upper surface of the distribution module, and the anti-slip pad is fixedly connected with the distribution module.
Further, the upper end and the lower end of one side of the jack cylinder body are provided with oil nozzles, and the oil nozzles are communicated with the inside of the jack cylinder body.
Further, handles are arranged at the left end and the right end of the other side of the jack cylinder body, and the handles are fixedly connected with the jack cylinder body.
Further, the diameters of the first connecting flange and the second connecting flange are the same.
Compared with the prior art, the utility model has the advantages and positive effects that:
The utility model jacks up the distribution mechanism through the jacking mechanism, thereby jacking up the bridge, having good stability, avoiding the process of lifting the distribution beam by jacking operation, reducing the number of required construction machinery and improving the construction efficiency.
The lifting mechanism is convenient to install and detach, and the first connecting flange and the second connecting flange are connected through the connecting bolts, so that the lifting mechanism and the distribution mechanism can be assembled. And the shape or the size of the distribution module of the distribution mechanism can be changed according to the weight of the bridge, and the jacking of different types of bridges can be realized only by changing the distribution mechanism, so that the applicability is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a schematic perspective view of a jacking device according to the present utility model;
FIG. 2 is a schematic perspective view of a dispensing mechanism according to embodiment 1 of the present utility model;
FIG. 3 is a schematic perspective view of a jack-up mechanism of the present utility model;
FIG. 4 is a schematic perspective view of a dispensing mechanism according to embodiment 2 of the present utility model;
In the figure: 1-a jacking mechanism; 11-oil nozzle; 12-jack cylinder; 13-a handle; 2-a first connecting flange; 21-a first bolt hole; 3-a second connection flange; 31-a second bolt hole; 4-a dispensing mechanism; 41-an allocation module; 5-connecting bolts.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1:
The utility model is described in detail below with reference to the accompanying drawings, and the jacking device for jacking a bridge disclosed in the embodiment, as shown in fig. 1, comprises a jacking mechanism 1 and a distribution mechanism 4, wherein the distribution mechanism 4 is arranged at the upper part of the jacking mechanism 1; the jacking mechanism 1 comprises a jack cylinder body 12, a second connecting flange 3 is arranged on the upper portion of the jack cylinder body, the distribution mechanism 4 comprises a distribution module 41 and a first connecting flange 2, the first connecting flange 2 is arranged on the lower portion of the distribution module 41, and the second connecting flange 3 is arranged on the lower portion of the first connecting flange 2.
The bridge jacking is realized through the cooperation of the jacking mechanism 1 and the distribution mechanism 4, the jack of the jacking mechanism 1 jacks up the distribution mechanism 4, the distribution module 41 of the distribution mechanism 4 is tightly attached to the bridge, and then the bridge is jacked up. The distributing mechanism 4 can play a role in supporting the bridge, so that the lower surface of the bridge is uniformly stressed.
The first connecting flange 2 is provided with a first bolt hole 21, the second connecting flange 3 is provided with a second bolt hole 31, and the first bolt hole 21 and the second bolt hole 31 are arranged at intervals. The first connection flange 2 and the second connection flange 3 are connected by the connection bolt 5, and the connection bolt 5 passes through the first bolt hole 21 and the second bolt hole 31.
During installation, the first bolt holes 21 of the first connecting flange 2 and the second bolt holes 31 of the second connecting flange 3 are aligned, and the connecting bolts 5 are screwed into the first bolt holes 21 and the second bolt holes 31 in sequence. The jacking mechanism 1 and the distribution mechanism 4 are convenient to install and detach in a bolt connection mode, and the distribution mechanism 4 is convenient to replace. The diameters of the first connecting flange 2 and the second connecting flange 3 are the same, so that the first bolt hole 21 and the second bolt hole 31 are aligned.
After the installation is completed, the jacking devices are arranged at intervals at the lower part of the bridge, and the intervals among the jacking devices are the same. Simultaneously, oil is supplied into the hydraulic cylinder body, so that the hydraulic rod is lifted to drive the distribution module 41 to lift, and then the bridge is lifted.
The distribution module 41 is fixedly connected with the first connecting flange 2, and the distribution module 41 is welded with the first connecting flange 2, so that the installation is convenient on a construction site. The hydraulic rod in the jack cylinder body is fixedly connected with the second connecting flange 3, and the top of the hydraulic rod can be welded on the lower surface of the second connecting flange 3, so that the distribution module 41 can be conveniently jacked up.
As shown in fig. 2, the distribution module 41 has a truncated cone structure, and the diameter of the upper portion of the distribution module 41 is larger than that of the lower portion. The upper end of the distribution module 41 is tightly attached to the lower surface of the bridge, and the lower end of the distribution module 41 is fixedly connected with the first connecting flange 2. The section of the distribution module 41 of the truncated cone structure is gradually enlarged. Wherein the cross section with smaller area is a bottom surface and is welded with the connecting flange. The larger cross-section is the top surface for contact with the structure being lifted. The contact area between the jack and the lifted structure is enlarged through the distribution module 41 with the round platform structure, so that punching damage is avoided in the lifting process.
The upper surface of the dispensing module 41 is provided with a non-slip mat which is fixedly connected with the dispensing module 41. The friction between the upper surface of the distribution module 41 and the jacking position of the bridge can be increased through the anti-slip pad, so that the stability of the jacking process is ensured.
As shown in fig. 3, the upper and lower ends of one side of the jack cylinder 12 are provided with a nipple 11, and the nipple 11 communicates with the inside of the jack cylinder 12. When the hydraulic oil is supplied into the jack cylinder 12 through the nipple 11 and lifting is required, the nipple 11 at the lower part supplies oil into the jack cylinder 12 to lift the distributing mechanism 4. When lowering is required, the upper nozzle 11 supplies oil into the jack cylinder 12, and lowers the dispensing mechanism 4.
Handles 13 are arranged at the left end and the right end of the other side of the jack cylinder body 12, and the handles 13 are fixedly connected with the jack cylinder body 12. The direction of the jack is regulated through the handle 13, so that the accurate installation position of the jack is ensured, and meanwhile, the jack is convenient to carry and easy to operate.
Example 2:
The distribution module 41 of the distribution mechanism 4 may be configured in a trapezoidal table-like structure, and when a large number of jacks are required for the lifting operation and the working surface is limited, the distribution module 41 is configured in a trapezoidal table-like shape as shown in fig. 4. By arranging the trapezoidal table-shaped distribution modules 41 in a staggered manner, the contact area between the jack and the lifted structure can be enlarged in different directions, and the construction work surface can be utilized to the greatest extent.
In jacking the bridge, the number of jacking devices, and the shape or size of the distribution module 41 are first selected according to the weight and structure of the bridge. When the weight of the bridge is greater, more jacking devices may be provided and a distribution module 41 with a larger upper surface area may be selected. When the bridge weight is small, the number of jacking devices can be properly reduced, and the distribution modules 41 with small upper surface areas can be selected, so that the jacking devices can be conveniently arranged at intervals, and enough arrangement space is provided.
The lower surface of bridge is mostly plane, also has the lower surface of some bridge to be the inclined plane, to the jacking of inclined plane position, adopts the upper surface to be planar distribution module 41 supporting stability not enough, consequently can set up the upper surface of distribution module 41 into the inclined plane, installs the distribution module 41 that has the inclined plane on climbing mechanism 1 to lay the position that is the inclined plane at the bridge lower surface, can guarantee the stability of support, and then realize the bridge jacking.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The jacking device for jacking the bridge is characterized by comprising a jacking mechanism and a distribution mechanism, wherein the distribution mechanism is arranged at the upper part of the jacking mechanism; the jacking mechanism comprises a jack cylinder body, a second connecting flange is arranged on the upper portion of the jack cylinder body, the distribution mechanism comprises a distribution module and a first connecting flange, a first connecting flange is arranged on the lower portion of the distribution module, and a second connecting flange is arranged on the lower portion of the first connecting flange.
2. The jacking device for jacking a bridge as defined in claim 1, wherein said first connecting flange is provided with a first bolt hole, said second connecting flange is provided with a second bolt hole, and said first bolt hole and said second bolt hole are provided in plural at intervals.
3. A jacking device for jacking a bridge as claimed in claim 2, wherein said first and second attachment flanges are connected by attachment bolts passing through said first and second bolt holes.
4. The jacking device for jacking bridges of claim 1, wherein said distribution module is fixedly connected to a first connection flange and said hydraulic rod in said jack cylinder is fixedly connected to a second connection flange.
5. A jacking device for jacking bridges as claimed in claim 1, wherein said distribution module has a circular truncated cone configuration, and the diameter of the upper portion of said distribution module is greater than the diameter of the lower portion.
6. The jacking device for jacking the bridge according to claim 1, wherein the upper end of the distribution module is closely attached to the lower surface of the bridge, and the lower end of the distribution module is fixedly connected with the first connecting flange.
7. A jacking device for jacking a bridge as claimed in claim 1, wherein said distribution module has an upper surface provided with a non-slip mat fixedly connected to the distribution module.
8. The jacking device for jacking the bridge according to claim 1, wherein a nipple is arranged at the upper and lower ends of one side of the jack cylinder, and the nipple is communicated with the inside of the jack cylinder.
9. The jacking device for jacking the bridge according to claim 1, wherein handles are arranged at the left end and the right end of the other side of the jack cylinder body, and the handles are fixedly connected with the jack cylinder body.
10. A jacking device for jacking a bridge as claimed in claim 1, wherein the first and second attachment flanges are of the same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323637903.4U CN221441330U (en) | 2023-12-28 | 2023-12-28 | Jacking device for jacking bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323637903.4U CN221441330U (en) | 2023-12-28 | 2023-12-28 | Jacking device for jacking bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221441330U true CN221441330U (en) | 2024-07-30 |
Family
ID=92071930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323637903.4U Active CN221441330U (en) | 2023-12-28 | 2023-12-28 | Jacking device for jacking bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221441330U (en) |
-
2023
- 2023-12-28 CN CN202323637903.4U patent/CN221441330U/en active Active
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