CN210216177U - Anchor machine dragging system for beam erecting - Google Patents
Anchor machine dragging system for beam erecting Download PDFInfo
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- CN210216177U CN210216177U CN201920480944.1U CN201920480944U CN210216177U CN 210216177 U CN210216177 U CN 210216177U CN 201920480944 U CN201920480944 U CN 201920480944U CN 210216177 U CN210216177 U CN 210216177U
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- floating
- girder
- steel truss
- steel
- trestle
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 110
- 239000010959 steel Substances 0.000 claims abstract description 110
- 238000010276 construction Methods 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides an anchor machine drags system for frame roof beam, be used for erectting the steel truss between two piers after two pier construction are accomplished, this system includes the landing stage, draw gear and floating support structure, the landing stage is established between one side bank and the nearest pier apart from this bank, the steel truss can move on the landing stage, draw gear installs the opposite side bank, draw gear's traction end is connected with the one end of steel truss and is used for dragging the steel truss and move on the landing stage, floating support structure floats and sets up on the river between two piers, be used for with the steel truss the one end is dragged to floating support structure on the back support steel truss and drive the steel truss with draw gear together and move in order to erect on the nearest pier of opposite side bank at draw gear. The utility model provides an anchor machine drags system for frame roof beam sets up the convenience, can improve the efficiency of construction of whole bridge and reduce constructor intensity of labour simultaneously.
Description
Technical Field
The utility model relates to a railway frame roof beam construction technical field specifically, relates to an anchor machine drags system for frame roof beam.
Background
With the continuous acceleration and development of railway construction, the construction of steel trusses spanning rivers is more and more, how to safely, quickly, labor-saving and conveniently erect the railway steel trusses is achieved, the labor intensity is reduced in the engineering construction, the cost is saved, the operation time is shortened, and constructors are continuously discussed and researched on construction methods and construction equipment.
At present, the steel trussed beams of domestic railway bridges are erected by adopting construction equipment such as scaffold hoisting splicing, full-spread scaffold and the like, and the existing construction equipment has the disadvantages of high mechanical equipment investment, high labor intensity, high construction risk, difficulty in man-machine cooperation and low construction speed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor machine drags system for frame roof beam, this anchor machine drags system for frame roof beam can solve intensity of labour big, construction speed scheduling problem slowly, and then provides an anchor machine drags system for frame roof beam in order to reduce intensity of labour, improve the efficiency of construction.
In order to achieve the above object, an embodiment of the utility model provides an anchor machine drags system for girder erection for bridge construction, two piers of bridge are respectively for the nearest pier apart from both sides bank, anchor machine drags system for girder erection is used for after two pier constructions are accomplished erect steel longeron between two piers, anchor machine drags system for girder erection includes landing stage, draw gear and unsteady bearing structure, the landing stage is established between one side bank and the nearest pier apart from this bank, steel longeron can move on the landing stage, draw gear installation opposite side bank, draw gear's traction end with the one end of steel longeron is connected in order to be used for dragging the steel longeron is in move on the landing stage, unsteady bearing structure floats and sets up two on the river between the pier, be used for draw gear will the one end of steel longeron drags is dragged and is arrived the last back support of unsteady bearing structure is gone up The steel truss girder and the traction device drive the steel truss girder to move so as to be erected on a pier closest to the river bank on the other side.
Specifically, the anchor machine towing system for the girder erection further comprises a plurality of rolling bar structures, the rolling bar structures are arranged on the bridge deck of the trestle at given intervals along the extension direction of the trestle, each rolling bar structure comprises two slideways arranged in parallel and a plurality of rolling bars, one slideway is arranged on the bridge deck of the trestle along the extension direction of the trestle, the rolling bars are mutually erected between the two slideways in parallel, two ends of each rolling bar are rotatably connected with the two slideways, the steel trusses are placed on the rolling bars, and the towing device tows the steel trusses to move on the trestle through rotation of the rolling bars.
Specifically, each slide is provided with a plurality of rotating grooves, and the rolling rod is rotatably connected with the slide through the rotating grooves.
The traction device comprises a tractor, a pulley block, a hollow anchor machine and a traction steel rope, wherein the traction steel rope is wound through the hollow anchor machine and the pulley block, one end of the traction steel rope is connected with the tractor, and the other end of the traction steel rope is connected with the steel truss girder.
The anchor machine towing system for erecting the girder further comprises a guide wheel, the guide wheel is arranged on the end face of a pier closest to the river bank on the other side, and one end, connected with the steel truss girder, of the towing steel rope is connected with the steel truss girder after being wound through the guide wheel.
Specifically, the supporting structure that floats includes floating platform, floating bracket and is used for floating the floating base that sets up on the river, floating base, floating bracket and floating platform are installed by supreme down in proper order, the steel longeron by draw gear drags and draws the last back of supporting structure that floats by floating platform supports.
Specifically, the floating base is formed by connecting a plurality of boat sections.
Specifically, the floating support structure further comprises a plurality of pad beams, and the plurality of pad beams are positioned on the same horizontal plane and arranged between the floating platform and the floating bracket in parallel.
The utility model provides an anchor machine traction system for frame beam, when setting up the steel truss between two piers that one side bank is nearest apart from the bank, adopt to set up the floating support structure on the river surface between two piers in order to support the steel truss in the process of steel truss erection construction, after the draw gear installed at the opposite side bank drags the steel truss to the floating support structure, the floating support structure drives the steel truss to move with the draw gear to accomplish the erection of steel truss, for the convenience of steel truss can easily move to the floating support structure by one side bank, set up the landing stage between this side bank and the pier nearest apart from this bank and make things convenient for the removal of steel truss, the utility model provides a landing stage is for assembling the girder steel structure, and the building process is simple, is convenient for the construction and compare with the prior art and need to build a large amount of scaffold, the anchor machine traction system for frame beam need not to build too much scaffold, the labor intensity of constructors is reduced.
The utility model provides an anchor machine drags system for frame roof beam utilizes draw gear to pull steel longeron to the bearing structure that floats back on, and rethread draw gear and bearing structure that floats drive the steel longeron together and remove in order to erect the steel longeron between two piers, and this anchor machine drags system for frame roof beam sets up conveniently, can improve the efficiency of construction of whole bridge and reduce constructor intensity of labour simultaneously.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of an anchor towing system for a frame girder according to an embodiment of the present invention;
fig. 2 is a top view of an anchor towing system for a frame girder according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a floating support structure in an anchor towing system for a frame girder according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a traction device in an anchor machine towing system for erecting a beam according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rolling rod structure in an anchor machine towing system for a frame girder according to an embodiment of the present invention.
Description of the reference numerals
1 pier and 2 steel truss girders
3 trestle 4 draw gear
5 floating support structure 6 rolling rod structure
7 leading wheel 401 tractor
402 assembly pulley 403 emptying anchor machine
404 traction steel rope 501 floating platform
502 floating bracket 503 floating base
504 pad beam 601 slide
602 rolling bar
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, bottom" and "upper" are generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, vertical or gravitational direction.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides an anchor machine dragging system for girder erection, figure 1 is the main view of anchor machine dragging system for girder erection, figure 2 is the top view of anchor machine dragging system for girder erection, this anchor machine dragging system for girder erection is used for the bridge construction, two piers 1 of bridge are respectively the pier closest to both sides river banks, anchor machine dragging system for girder erection is used for erecting steel truss girder 2 between two piers 1 after the construction of two piers 1 is accomplished, anchor machine dragging system for girder erection includes trestle 3, draw gear 4 and floating support structure 5, trestle 3 erects between one side river bank and pier 1 closest to this river bank, steel truss girder 2 can move on trestle 3, draw gear 4 installs the opposite side river bank, the draw end of draw gear 4 is connected with one end of steel truss girder 2 and is used for dragging steel truss girder 2 and moves on trestle 3, the floating support structure 5 is arranged on the river surface between the two piers 1 in a floating mode and used for supporting the steel trussed beam 2 after the one end of the steel trussed beam 2 is dragged to the floating support structure 5 by the traction device 4 and driving the steel trussed beam 2 to move together with the traction device 4 so as to be erected on the pier 1 which is closest to the river bank on the other side.
The anchor machine dragging system for the frame beam provided by the utility model is suitable for river channels with the width of 30-150 meters, when the steel truss girder 2 between two adjacent piers 1 closest to a river bank on one side is erected, a floating support structure 5 is arranged on the river surface between the two piers 1, when the steel truss girder 2 is erected, the steel truss girder 2 is dragged to move from the trestle 3 to the floating support structure 5 through the trestle 3 erected between one pier 1 nearest to the river bank and the traction device 4 arranged on the other side of the river bank, after the one end of steel longeron 2 moved on the bearing structure 5 that floats as required, draw gear 4 and bearing structure 5 that floats drove steel longeron 2 together and remove in order to accomplish the erection of steel longeron 2 to adjacent pier 1, the utility model provides a frame roof beam with anchor machine traction system sets up conveniently, can improve the efficiency of construction of whole bridge with.
In order to facilitate the movement of the steel truss 2 on the trestle 3, as shown in fig. 5, in particular, the anchor towing system for a girder further includes a plurality of roller structures 6, the plurality of roller structures 6 are disposed on the deck of the trestle 3 at given intervals along the extending direction of the trestle 3, each roller structure 6 includes two slideways 601 and a plurality of rollers 602 disposed in parallel, one slideway 601 is disposed on the deck of the trestle 3 along the extending direction of the trestle 3, the plurality of rollers 602 are disposed in parallel between the two slideways 601, both ends of each roller 602 are rotatably connected to the two slideways 601, the steel truss 2 is disposed on the plurality of rollers 602, and the towing device 4 tows the steel truss 2 on the trestle 3 by the rotation of the rollers 602 to move on the trestle 3. When the traction device 4 is dragged and placed on the plurality of rolling bars 602 to move, the rolling bars 602 rotate, and the friction between the steel truss girder 2 and the rolling bars 602 is small in the moving process, so that the steel truss girder 2 can move on the rolling bars 602 easily.
In one embodiment, the trestle 3 is assembled and built by steel beam structures, the length of the built trestle 3 is the same as that of the steel truss girder 2, a plurality of rolling bar structures 6 are arranged on the bridge surface of the trestle 3 according to given intervals in the extending direction of the trestle 3, the steel truss girder 2 is placed on the rolling bar structures 6, the steel truss girder 2 easily moves on the rolling bar structures 6 under the dragging action of the traction device 4, and in actual construction, the arrangement number of the rolling bar structures 6 and the arrangement number of the rolling bars 602 in each rolling bar structure 6 are determined according to the size and the weight of the specifically built steel truss girder 2.
In order to facilitate the installation of the rolling bars 602, specifically, a plurality of rotating grooves are provided on each of the sliding ways 601, and the rolling bars 602 are rotatably connected with the sliding ways 601 through the rotating grooves. In the process that the steel truss girder 2 moves on the rolling bar 602, the rolling bar 602 rotates in the rotating groove, so that the friction force between the rolling bar 602 and the steel truss girder 2 can be reduced, and the steel truss girder 2 can be conveniently moved.
As shown in fig. 4, in particular, the traction device 4 comprises a traction machine 401, a pulley block 402, a return air anchor 403 and a traction cable 404, the traction cable 404 is wound through the return air anchor 403 and the pulley block 402, one end of the traction cable 404 is connected with the traction machine 401, and the other end is connected with the steel truss 2.
In one embodiment, after the traction device 4 is installed, when the steel truss girder 2 is dragged to move between two piers 1, after the steel truss girder 2 moves to the floating support structure 5 from the trestle 3 according to requirements, the draft of the floating support structure 5 is not changed, at this time, the air return anchor 403 is started to return to the air, the pulleys in the pulley block 402 rotate to the maximum distance to drag the steel truss girder 2, the air return anchor 403 is repeatedly controlled to return to the air, and the steel truss girder 2 is continuously dragged until the specified position is reached.
In order to control the traction direction of the traction steel cable 404, specifically, the anchor towing system for girder erection further comprises a guide wheel 7, the guide wheel 7 is installed on the end surface of the pier 1 nearest to the river bank on the other side, and one end of the traction steel cable 404 connected with the steel truss girder 2 is connected with the steel truss girder 2 after being wound around the guide wheel 7. The guide wheel 7 is able to control the traction direction of the traction cable 404 to extend in a given traction direction.
In one embodiment, as shown in fig. 3, specifically, the floating support structure 5 includes a floating platform 501, a floating bracket 502 and a floating base 503 for floating on the river surface, the floating base 503, the floating bracket 502 and the floating platform 501 are installed in sequence from bottom to top, and the steel truss girder 2 is supported by the floating platform 501 after being pulled to the floating support structure 5 by the traction device 4. The floating platform 501 can be made of two layers of box girders and is installed on the floating bracket 502, and the box girders not only have enough strength but also have smaller dead weight, thereby being convenient for building the floating support structure 5.
In one embodiment, to reduce unnecessary equipment usage losses, the floating base 503 is specifically comprised of a plurality of cradle joints. A plurality of connected boat sections are used as floating bases 503, and in the process of moving the steel truss girder 2, power equipment on the boat sections can be used for starting the boat sections, so that the boat sections and the traction device 4 can drive the steel truss girder 2 to move simultaneously.
In order to facilitate the adjustment of the height of the floating support structure 5, the surface of the floating platform 501 supporting the steel truss girder 2 in the floating support structure 5 is close to the same horizontal plane with the deck of the trestle 3, and specifically, the floating support structure 5 further comprises a plurality of pad beams 504, and the pad beams 504 are in the same horizontal plane and are arranged between the floating platform 501 and the floating bracket 502 in parallel. The height of the floating support structure 5 can be adjusted by adjusting the number of the stacked pad beams 504, which facilitates the height adjustment of the floating structure 5.
The utility model provides an anchor machine dragging system for girder erection, when setting up the steel longeron 2 between two piers that one side bank is nearest apart from the bank, adopt to set up floating support structure 5 on the river surface between two piers 1 in order to support the steel longeron 2 in the process of the construction of the steel longeron 2 erection, after installing on the draw gear 4 of the opposite side bank drags and draws the steel longeron 2 to floating support structure 5, floating support structure 5 and draw gear 4 drive the steel longeron 2 to remove together to accomplish the erection of steel longeron 2, for the convenience of steel longeron 2 can be easily moved to floating support structure 5 by one side bank, set up trestle 3 between this side bank and a pier 1 nearest apart from this bank and make things convenient for the removal of steel longeron 2, trestle 3 that the utility model provides is for assembling the girder steel structure, the building process is simple, is convenient for the construction and need to build the scaffold in a large number with prior art and compare, the utility model provides an anchor machine drags system for frame roof beam need not to build too much scaffold frame, has reduced constructor's intensity of labour.
The utility model provides an anchor machine drags system for frame roof beam utilizes draw gear 4 to drag 2 steel trusses to the bearing structure 5 that floats back, and rethread draw gear 4 and bearing structure 5 that floats drive 2 steel trusses together and remove in order to erect 2 steel trusses between two piers 1, and this anchor machine drags system for frame roof beam sets up conveniently, can improve the efficiency of construction of whole bridge and reduce constructor intensity of labour simultaneously.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. An anchor machine dragging system for girder erection is used for bridge construction, two piers (1) of a bridge are respectively the piers closest to river banks on two sides, the anchor machine dragging system for girder erection is used for erecting a steel truss girder (2) between the two piers (1) after the construction of the two piers (1) is completed, and the anchor machine dragging system for girder erection is characterized by comprising a trestle (3), a traction device (4) and a floating support structure (5), wherein the trestle (3) is erected between one river bank on one side and one pier (1) closest to the river bank, the steel truss girder (2) can move on the trestle (3), the traction device (4) is installed on the other side of the trestle, the traction end of the traction device (4) is connected with one end of the steel truss girder (2) to drag the steel truss girder (2) to move on the trestle (3), the floating support structure (5) is arranged on the river surface between the two piers (1) in a floating mode, and is used for enabling the traction device (4) to drag one end of the steel truss girder (2) to the floating support structure (5) to support the steel truss girder (2) and driving the steel truss girder (2) together with the traction device (4) to move so as to erect the distance between the piers (1) on the other side with the river bank being nearest.
2. An anchor towing system for a girder erection according to claim 1, further comprising a plurality of roller structures (6), wherein a plurality of roller structures (6) are provided at given intervals on a deck of the trestle (3) in an extending direction of the trestle (3), each of the roller structures (6) comprises two slideways (601) arranged in parallel and a plurality of rollers (602), the two slideways (601) are placed on the deck of the trestle (3) at predetermined intervals in the extending direction of the trestle (3), the plurality of rollers (602) are erected in parallel between the two slideways (601), both ends of each roller (602) are rotatably connected to the two slideways (601), the steel girder (2) is placed on the plurality of rollers (602), and the steel girder (2) is towed by the towing means (4) through rotation of the rollers (602) on the trestle (3) And (4) moving upwards.
3. An anchor tractor system for a frame girder according to claim 2, wherein each of the slide ways (601) is provided with a plurality of turning grooves, and the rolling bars (602) are rotatably connected with the slide ways (601) through the turning grooves.
4. An anchorage towing system for erecting girders according to claim 1, characterized in that the towing means (4) comprises a towing machine (401), a pulley block (402), a return air anchorage (403) and a towing steel cable (404), the towing steel cable (404) being wound through the return air anchorage (403) and the pulley block (402), one end of the towing steel cable (404) being connected to the towing machine (401) and the other end being connected to the steel girder (2).
5. An anchor towing system for a girder erection according to claim 4, wherein the anchor towing system for a girder erection further comprises a guide wheel (7), the guide wheel (7) is installed on an end surface of the pier (1) nearest to the river bank on the other side, and one end of the traction steel cable (404) connected with the steel truss girder (2) is connected with the steel truss girder (2) after being wound around the guide wheel (7).
6. An anchor tractor system for frame girders according to claim 1, characterized in that the floating support structure (5) comprises a floating platform (501), a floating bracket (502) and a floating base (503) for floating on the river surface, the floating base (503), the floating bracket (502) and the floating platform (501) are installed in turn from bottom to top, and the steel truss girder (2) is supported by the floating platform (501) after being pulled onto the floating support structure (5) by the pulling device (4).
7. An anchor tractor system for a frame girder according to claim 6, characterised in that the floating base (503) is composed of a plurality of boat joints connected.
8. A frame work anchor haulage system according to claim 6, wherein the floating support structure (5) further comprises a plurality of pad beams (504), the plurality of pad beams (504) being in a same horizontal plane and arranged parallel to each other between the floating platform (501) and the floating carriage (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480944.1U CN210216177U (en) | 2019-04-10 | 2019-04-10 | Anchor machine dragging system for beam erecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480944.1U CN210216177U (en) | 2019-04-10 | 2019-04-10 | Anchor machine dragging system for beam erecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210216177U true CN210216177U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480944.1U Expired - Fee Related CN210216177U (en) | 2019-04-10 | 2019-04-10 | Anchor machine dragging system for beam erecting |
Country Status (1)
| Country | Link |
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| CN (1) | CN210216177U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176867A (en) * | 2020-08-28 | 2021-01-05 | 中铁九局集团第七工程有限公司 | Single-track single-span railway steel truss girder dragging, installing and constructing method and single-track single-span railway |
| CN115182259A (en) * | 2022-07-25 | 2022-10-14 | 中铁大桥局集团有限公司 | Bridge foundation lifting type construction platform and construction method thereof |
| CN116905388A (en) * | 2023-08-14 | 2023-10-20 | 中交一公局第五工程有限公司 | Large-span underbearing steel truss bridge dragging and pushing construction method |
| CN117107651A (en) * | 2023-08-29 | 2023-11-24 | 中交一公局第二工程有限公司 | Construction technology of floating-towing method for variable-height steel box girder |
-
2019
- 2019-04-10 CN CN201920480944.1U patent/CN210216177U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176867A (en) * | 2020-08-28 | 2021-01-05 | 中铁九局集团第七工程有限公司 | Single-track single-span railway steel truss girder dragging, installing and constructing method and single-track single-span railway |
| CN115182259A (en) * | 2022-07-25 | 2022-10-14 | 中铁大桥局集团有限公司 | Bridge foundation lifting type construction platform and construction method thereof |
| CN116905388A (en) * | 2023-08-14 | 2023-10-20 | 中交一公局第五工程有限公司 | Large-span underbearing steel truss bridge dragging and pushing construction method |
| CN117107651A (en) * | 2023-08-29 | 2023-11-24 | 中交一公局第二工程有限公司 | Construction technology of floating-towing method for variable-height steel box girder |
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Granted publication date: 20200331 |