CN222160970U - A sliding guide frame for dragging construction of bridge cap beam - Google Patents
A sliding guide frame for dragging construction of bridge cap beam Download PDFInfo
- Publication number
- CN222160970U CN222160970U CN202420833648.6U CN202420833648U CN222160970U CN 222160970 U CN222160970 U CN 222160970U CN 202420833648 U CN202420833648 U CN 202420833648U CN 222160970 U CN222160970 U CN 222160970U
- Authority
- CN
- China
- Prior art keywords
- support
- bridge
- steel
- pier
- guide frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
本发明公开了一种桥下盖梁拖拉施工滑动导向架,其包括一对支架本体、支撑块和千斤顶；所述支架本体包括第一支架和第二支架，所述第一支架位于既有桥梁下方、所述第二支架位于既有桥梁外，两所述支架本体均连接用于配合所述导向架使用的桥墩；各所述支架本体顶部的横架上均固定安装有所述支撑块，所述支撑块用于放置用于配合所述导向架使用的钢盖梁，所述支撑块设置有多对且各对支撑块沿所述钢盖梁长度方向排列设置；所述千斤顶固定安装于所述支架本体的顶部且各支撑块的一侧均设置有所述千斤顶。本申请具有辅助钢盖梁滑移后准确落位到桥墩上，从而加快施工进度的效果。
The present invention discloses a sliding guide frame for dragging construction of a bridge cap beam, which includes a pair of support bodies, support blocks and jacks; the support body includes a first support and a second support, the first support is located under an existing bridge, the second support is located outside the existing bridge, and both support bodies are connected to bridge piers used in conjunction with the guide frame; the support blocks are fixedly installed on the cross frame at the top of each support body, and the support blocks are used to place steel cap beams used in conjunction with the guide frame, and the support blocks are provided in multiple pairs and each pair of support blocks is arranged along the length direction of the steel cap beam; the jack is fixedly installed on the top of the support body and the jack is provided on one side of each support block. The present application has the effect of assisting the steel cap beam to accurately land on the bridge pier after sliding, thereby accelerating the construction progress.
Description
Technical Field
The invention relates to the field of engineering construction, in particular to a sliding guide frame for underbridge bent cap dragging construction.
Background
When the bridge is built, a plurality of pairs of bridge piers are sequentially built along a preset direction, steel cap beams are erected on the bridge piers to serve as supports of a bridge upper structure, workers carry out subsequent construction on the steel cap beams, but when the bridge is built under an existing bridge and the steel cap beams are hoisted to the bridge piers by using a crane, the existing bridge can block a lifting rope of the crane, so that the crane is difficult to directly hoist the steel cap beams in place, construction is hindered, and construction progress is delayed.
Disclosure of Invention
In order to assist the steel bent cap to accurately fall on the bridge pier after sliding and accelerate the construction progress, the application provides a sliding guide frame for the under-bridge bent cap dragging construction.
The application provides a sliding guide frame for the dragging construction of an underbridge bent cap, which adopts the following technical scheme:
the sliding guide frame for the under-bridge bent cap dragging construction comprises a pair of support bodies, supporting blocks and jacks, wherein the support bodies comprise a first support and a second support, the first support is located below an existing bridge, the second support is located outside the existing bridge, the two support bodies are connected with piers used for being matched with the guide frame, the supporting blocks are fixedly installed on transverse frames at the tops of the support bodies and used for placing steel bent caps used for being matched with the guide frame, the supporting blocks are provided with a plurality of pairs of supporting blocks which are arranged along the length direction of the steel bent caps, and the jacks are fixedly installed at the tops of the support bodies and are arranged on one sides of the supporting blocks.
According to the technical scheme, when the steel cap beam is hoisted under the existing bridge and one end of the steel cap beam, which is located under the bridge, moves to the maximum extent, the steel cap beam is lowered onto the supporting block of the bracket body, then a worker starts to drag the steel cap beam, when the steel cap beam is dragged to the bridge pier, the steel cap beam is jacked up by the jack, at the moment, the worker can detach the supporting block from the bracket body, then the steel cap beam is lowered onto the bridge pier, which is lower than the original height of the supporting block, through the jack, the worker can fix the steel cap beam on the bridge pier to finish the falling position of the steel cap beam under the existing bridge, and the hoisted steel cap beam is changed into the steel cap beam pulled through the bracket, so that the falling position of the steel cap beam is finished under the bridge which is difficult to hoist.
Preferably, each support body is hollow, each pier comprises a first pier and a second pier which are in one-to-one correspondence with each support body, the first support is located on one side of the first pier, which is close to the second support, the second support is sleeved on the second pier, and a connecting assembly is arranged between the first support and the first pier.
By adopting the technical scheme, because the construction position of the first bracket is the maximum depth that the steel bent cap can reach under the existing bridge when hoisting, under the condition of no additional supporting structure, the independent first bracket can be damaged by being overwhelmed under the dead weight of the steel bent cap, and the first bracket is connected with the first bridge pier by the additional connecting component, so that the stability of the first bracket is improved.
Preferably, the connecting assembly comprises an outer wrapping plate and a connecting frame, the outer wrapping plate is sleeved on the first bridge pier, one end of the connecting frame is fixedly connected with the first bracket, and the other end of the connecting frame is connected with the outer wrapping plate on the first bridge pier.
Through adopting above-mentioned technical scheme, the cover board is established to the cover on first pier to be convenient for be connected the bridge pier of concrete material and the link of steel material.
Preferably, an installation opening for pouring concrete is reserved on the first support, a reinforcement cage is reserved in the installation opening of the first support, one end, away from the first support, of the connecting frame is fixedly connected with the reinforcement cage, and a plugging piece for plugging the installation opening is arranged on the connecting frame.
Through adopting above-mentioned technical scheme, with the reinforcing bar skeleton welded fastening in link and the installing port in again to the installing port in filling concrete, the reuse shutoff piece is with the installing port shutoff, after the concrete solidifies, through the fixed of reinforcing bar skeleton and concrete, improves the connection stability of link and first pier.
Preferably, the plugging piece comprises a sealing cover, and the sealing cover is sleeved on the connecting frame.
Through adopting above-mentioned technical scheme, after pouring concrete, slide the closing cap that overlaps on the link until the closing cap lid is established on the installing port, accomplish the shutoff, this shutoff mode simple structure, the operation is quick, is favorable to the workman to carry out the shutoff fast.
Preferably, the first bracket is provided with an electric hoist, the electric hoist is provided with a steel wire rope, and one end, far away from the electric hoist, of the steel wire rope is connected with the steel cap beam.
Through adopting above-mentioned technical scheme, only need start electric block and can drag the steel bent cap, drive the steel bent cap and move towards the direction that is close to first support, reduce the manpower consumption.
Preferably, a polytetrafluoroethylene plate is arranged at the top of the supporting block.
Through adopting above-mentioned technical scheme, utilize smooth polytetrafluoroethylene board, put steel bent cap on polytetrafluoroethylene board, reduce the friction between steel bent cap and the supporting shoe to the steel bent cap slides of being convenient for.
Preferably, each support body top and be located steel bent cap length direction's both sides all are provided with the grudging post, two the grudging post is close to each other one side be provided with spacing pulley, spacing pulley be used for the butt in steel bent cap is along length direction's side.
Through adopting above-mentioned technical scheme, set up spacing pulley in both sides after, restrict the steel bent cap between the spacing gyro wheel of both sides to reduce the route skew of steel bent cap in the process of sliding, make the steel bent cap can stably slide to the pier.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The steel cap beam is lowered onto the supporting blocks of the support body, then a worker starts to drag the steel cap beam, when the steel cap beam is dragged to a pier positioned below an existing bridge, the steel cap beam is jacked up by using a jack, at the moment, the worker can detach the supporting blocks from the support body, then the steel cap beam is lowered onto the pier with the height lower than the original height of the supporting blocks by the jack, and the worker can fix the steel cap beam on the pier to finish the falling position of the steel cap beam below the existing bridge;
2. the first bracket is connected with the first bridge pier by the additional connecting component, so that the stability of the first bracket is improved;
3. After the limiting pulleys are arranged on the two sides, the steel bent cap is limited between the limiting rollers on the two sides, so that the path deviation of the steel bent cap in the sliding process is reduced, and the steel bent cap can stably slide onto the bridge pier.
Drawings
Fig. 1 is a schematic view of the overall structure of a bracket body according to an embodiment of the present application.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a side view of an embodiment of the present application with a steel bent cap in place.
Fig. 4 is a cross-sectional view of an embodiment of the present application when the pier is mounted to the link.
Reference numerals illustrate:
1. The steel bar frame comprises a frame body, 11 parts of a first frame, 12 parts of a second frame, 101 parts of a supporting block, 102 parts of an electric hoist, 103 parts of a vertical frame, 104 parts of a limiting pulley, 105 parts of a mounting port, 106 parts of a steel bar frame, 3 parts of a jack, 4 parts of a bridge pier, 5 parts of a steel cap beam, 6 parts of a connecting assembly, 61 parts of an outer cover plate, 62 parts of a connecting frame, 7 parts of a sealing cover.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a sliding guide frame for the dragging construction of an under-bridge bent cap.
Referring to fig. 1 and 2, the guide frame comprises a pair of support bodies 1, support blocks 101 and jacks 3, wherein the support bodies 1 comprise a first support 11 and a second support 12, the first support 11 is located below an existing bridge, the second support 12 is located outside the existing bridge, the two support bodies 1 are connected with bridge piers 4 used for being matched with the guide frame, the support blocks 101 are fixedly arranged on transverse frames at the tops of the support bodies 1, the support blocks 101 are used for placing steel cap beams 5 used for being matched with the guide frame, the support blocks 101 are provided with a plurality of pairs of support blocks 101 which are arranged along the length direction of the steel cap beams 5, the height of each pair of support blocks 101 on the support is greater than the top of the bridge piers 4, polytetrafluoroethylene plates are arranged at the tops of the support blocks 101, friction between the steel cap beams 5 and the support blocks 101 is reduced by utilizing the smooth characteristics of the polytetrafluoroethylene plates, the steel cap beams 5 slide on the support blocks 101, the jacks 3 are fixedly arranged at the tops of the support blocks 1, and the jacks 3 are arranged on one side of each support block 101.
Referring to fig. 1 and 3, each bracket body 1 is hollow, the bridge pier 4 comprises a first bridge pier and a second bridge pier corresponding to each bracket body 1 one by one, the first bracket 11 is positioned at one side of the first bridge pier close to the second bracket 12, the construction position of the first bracket 11 is positioned at the maximum depth of the steel capping beam 5 capable of being hoisted, the second bracket 12 is sleeved on the second bridge pier and connected with the second bracket 12, the first bracket 11 is provided with an electric hoist 102, the electric hoist 102 is provided with a steel wire rope, and one end of the steel wire rope, far away from the electric hoist 102, is connected with the steel capping beam 5.
After the steel cap beams 5 are hoisted onto the supporting blocks 101, the electric hoist 102 is started to tighten the steel wire ropes, so that the steel cap beams 5 placed on the supporting blocks 101 are pulled, when the steel cap beams are pulled in place, the two ends of the steel cap beams 5 are respectively located right above the two bridge piers 4, at the moment, a worker restarts the jack 3 to jack up the steel cap beams 5, so that the steel cap beams 5 are separated from the supporting blocks 101, at the moment, the worker dismantles the supporting blocks 101, and leaves a falling position height for the steel cap beams 5, and restarts the jack 3 to lower the steel cap beams 5 to fall onto the bridge piers 4, in this way, the steel cap beams 5 are pulled to fall from the direct hoisting falling position to the maximum distance, and the purpose of falling the steel cap beams 5 to the bridge piers 4 under the existing bridge is achieved.
Referring to fig. 2, the top of each bracket body 1 and two sides located in the length direction of the steel capping beam 5 are respectively provided with a vertical frame 103, one side, close to each other, of each vertical frame 103 is provided with a limiting pulley 104, the limiting pulleys 104 are used for being abutted to the side edge, along the length direction, of the steel capping beam 5, and the path, sliding in the horizontal direction, of the steel capping beam 5 is limited through the vertical frames 103 and the limiting pulleys 104, so that the risk of accidents caused by falling to the ground after the steel capping beam 5 is deflected is reduced.
Referring to fig. 3 and 4, a connecting assembly 6 is arranged between the first bracket 11 and the first bridge pier 4, the connecting assembly 6 comprises an outer wrapping plate 61 and a connecting frame 62, the outer wrapping plate 61 is sleeved on the first bridge pier 4, one end of the connecting frame 62 is fixedly connected to the first bracket 11, the other end of the connecting frame 62 is connected to the outer wrapping plate 61 on the first bridge pier 4, and the first bracket 11 is connected with the bridge pier 4, so that the stability of the first bracket 11 is improved, and the stability of the electric hoist 102 pulling the steel cap beam 5 is further improved.
Referring to fig. 4, a mounting opening 105 for pouring concrete is reserved on a first bracket 11, a reinforcement cage 106 is reserved in the mounting opening 105 of the first bracket 11, one end, far away from the first bracket 11, of a connecting frame 62 is fixedly connected to the reinforcement cage 106, a blocking piece for blocking the mounting opening 105 is arranged on the connecting frame 62, the blocking piece comprises a blocking cover 7, the blocking cover 7 is sleeved on the connecting frame 62, before the connecting frame 62 is erected, a worker firstly sleeves the blocking cover 7 on the connecting frame 62, then inserts the connecting frame 62 into the mounting opening 105 and is connected with the reinforcement cage 106 in the mounting opening 105, then concrete is poured into the mounting opening 105 to fix the reinforcement cage 106, finally the blocking cover 7 slides on the connecting frame 62 to cover the mounting opening 105, and meanwhile, the worker performs welding treatment on the connecting frame 62 and an outer cover plate 61, so that the connecting frame 62 is stably connected with a pier 4 of the concrete.
The application provides an implementation principle of a sliding guide frame for under-bridge capping beam dragging construction, which comprises the following steps of firstly constructing a first bracket 11 and a second bracket 12 at preset positions, connecting the first bracket 11 with a first pier 4 through connecting pieces, arranging a vertical frame 103 and an electric hoist 102 on each bracket body 1, then lifting a steel capping beam 5 to the bracket bodies 1 by workers, and tying a steel wire rope on the steel capping beam 5;
When the steel cap beam 5 is pulled in place, the supporting block 101 is removed by lifting the steel cap beam 5 through the jack 3, then the steel cap beam 5 is placed on the pier 4, and finally the worker fixes the steel cap beam 5 on the pier 4 to finish construction.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (8)
1. The sliding guide frame for the underbridge bent cap dragging construction is characterized by comprising a pair of support bodies (1), supporting blocks (101) and jacks (3), wherein the support bodies (1) comprise a first support (11) and a second support (12), the first support (11) is located below an existing bridge, the second support (12) is located outside the existing bridge, the two support bodies (1) are connected with bridge piers (4) used for being matched with the guide frames, the supporting blocks (101) are fixedly installed on transverse frames at the tops of the support bodies (1), the supporting blocks (101) are used for placing steel bent caps (5) used for being matched with the guide frames, the supporting blocks (101) are arranged in a plurality of pairs, the supporting blocks (101) are arranged along the length direction of the steel bent caps (5), and the jacks (3) are fixedly installed at the tops of the support bodies (1) and are arranged on one sides of the supporting blocks (101).
2. The under-bridge capping beam dragging construction sliding guide frame according to claim 1, wherein each support body (1) is hollow, each pier (4) comprises a first pier (4) and a second pier (4) which are in one-to-one correspondence with each support body (1), the first support (11) is located at one side, close to the second support (12), of the first pier (4), the second support (12) is sleeved on the second pier (4), and a connecting assembly (6) is arranged between the first support (11) and the first pier (4).
3. The under-bridge capping beam dragging construction sliding guide frame according to claim 2, wherein the connecting assembly (6) comprises an outer wrapping plate (61) and a connecting frame (62), the outer wrapping plate (61) is sleeved on the first bridge pier (4), one end of the connecting frame (62) is fixedly connected with the first bracket (11), and the other end of the connecting frame is connected with the outer wrapping plate (61) on the first bridge pier (4).
4. The under-bridge capping beam dragging construction sliding guide frame according to claim 3 is characterized in that a mounting opening (105) for pouring concrete is reserved on the first support (11), a reinforcement cage (106) is reserved in the mounting opening (105) on the first support (11), one end, far away from the first support (11), of the connecting frame (62) is fixedly connected to the reinforcement cage (106), and a plugging piece for plugging the mounting opening (105) is arranged on the connecting frame (62).
5. An under-bridge capping beam pulling construction sliding guide frame according to claim 4, wherein the blocking piece comprises a sealing cover (7), and the sealing cover (7) is sleeved on the connecting frame (62).
6. The under-bridge capping beam dragging construction sliding guide frame according to claim 2, wherein an electric hoist (102) is arranged on the first bracket (11), a steel wire rope is arranged on the electric hoist (102), and one end, far away from the electric hoist (102), of the steel wire rope is connected with the steel capping beam (5).
7. The under-bridge capping beam dragging construction sliding guide frame according to claim 1, wherein the top of the supporting block (101) is provided with a polytetrafluoroethylene plate.
8. The under-bridge capping beam dragging construction sliding guide frame according to claim 1, wherein the top of each bracket body (1) is provided with a vertical frame (103) on two sides of the steel capping beam (5) in the length direction, one side, close to each other, of each vertical frame (103) is provided with a limiting pulley (104), and the limiting pulleys (104) are used for being abutted to the side edges, along the length direction, of the steel capping beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420833648.6U CN222160970U (en) | 2024-04-19 | 2024-04-19 | A sliding guide frame for dragging construction of bridge cap beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420833648.6U CN222160970U (en) | 2024-04-19 | 2024-04-19 | A sliding guide frame for dragging construction of bridge cap beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222160970U true CN222160970U (en) | 2024-12-13 |
Family
ID=93777332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420833648.6U Active CN222160970U (en) | 2024-04-19 | 2024-04-19 | A sliding guide frame for dragging construction of bridge cap beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222160970U (en) |
-
2024
- 2024-04-19 CN CN202420833648.6U patent/CN222160970U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102230313B (en) | Bridge thin-wall hollow-pier chain block hoisting operation platform and construction method thereof | |
| CN107178211B (en) | Truss hanging system for installing steel structure | |
| CN110469106A (en) | A kind of high rise elevator well jacking formwork system and its construction method | |
| CN105839543B (en) | Construction process for self-lifting outer frame turnover formwork of bridge high pier | |
| CN110983951B (en) | A multifunctional anti-collision wall construction trolley and anti-collision wall construction method thereof | |
| CN104831632B (en) | A kind of bridge cable tower entablature and sill construction method | |
| CN210636796U (en) | High-rise elevator shaft jacking formwork system | |
| CN101294369B (en) | Method and device for hanging and transferring bracket of movable mould frame | |
| CN107829370A (en) | High pier self-climbing hydraulic rollover construction process | |
| CN222160970U (en) | A sliding guide frame for dragging construction of bridge cap beam | |
| JP2539150B2 (en) | Bridge erection equipment | |
| CN203795311U (en) | Multi-leg high pier and slip form construction device | |
| CN206784172U (en) | Overpass anti-collision wall formwork hoisting conveyance | |
| CN111335172A (en) | Movable pier column beam prestressed tension hanger construction platform and construction method | |
| CN107815971A (en) | High mound is from climbing hydraulic pressure mould system that turns over | |
| CN204983692U (en) | Concrete panel's hoist device | |
| CN107237251B (en) | A kind of access bridge flat stacking sets up the construction method of interim steel bridge | |
| CN217998915U (en) | On-spot erection equipment of concrete dado template | |
| CN217378638U (en) | Splicing seam adjusting device for mounting prefabricated box channel and box culvert | |
| CN216515179U (en) | Movable trolley for mounting and dismounting bridge guardrail template | |
| CN116537071A (en) | A hydraulic jacking integral steel frame platform and its construction method for turning over formwork | |
| CN201857225U (en) | Hoisting device for bridge crane frame | |
| CN212358002U (en) | Movable pier column crossbeam prestressing force stretch-draw stores pylon construction platform | |
| CN212612488U (en) | Movable underwater concrete pouring guide pipe trolley | |
| CN115522473A (en) | A bridge pier making machine and its construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |