CN210684482U - Steel arch frame segmented transfer device for deck type arch bridge construction - Google Patents
Steel arch frame segmented transfer device for deck type arch bridge construction Download PDFInfo
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- CN210684482U CN210684482U CN201921372563.8U CN201921372563U CN210684482U CN 210684482 U CN210684482 U CN 210684482U CN 201921372563 U CN201921372563 U CN 201921372563U CN 210684482 U CN210684482 U CN 210684482U
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Abstract
The utility model discloses a steel arch frame subsection transfer device for deck arch bridge construction, which comprises an assembling segment moving device for horizontally moving an arch frame assembling segment driving the assembled steel arch frame along a longitudinal bridge direction and a horizontal moving channel for horizontally moving the assembling segment moving device, wherein the horizontal moving channel is horizontally arranged and is arranged along the longitudinal bridge direction; the horizontal moving channel comprises a longitudinal supporting beam arranged on a lateral beam section supporting structure, and the assembling section moving device is a horizontal moving device which can move back and forth on the longitudinal supporting beam and can drive the moving arch assembling section to move synchronously in the moving process. The utility model has the advantages of simple structure and reasonable design and use easy and simple to handle, excellent in use effect through set up the horizontal migration passageway at a lateral part beam section bearing structure to laying the horizontal migration device on the horizontal migration passageway and just can assembling the festival section to the bow member and carry out steady movement, can portably, assemble the district section with the bow member and remove to the region of lifting by crane of cable loop wheel machine fast.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to deck formula arched bridge construction is with steel bow member segmentation transfer device.
Background
The deck arch bridge is a bridge with bridge deck set over the main bearing structure of the bridge span, and the arch abutment transfers the thrust of the end of the arch rib (also called arch end) to the component of the bedrock and is located at the joint between the two ends of the arch bridge and the bedrock. The abutments used to support the ribs are permanent abutments which are typically reinforced concrete structures supported on bedrock. When a deck box-type arch bridge with reinforced concrete box girders as arch ribs is constructed, the arch ribs are usually cast-in-place by using steel arches which are pre-erected in place. And after the arch rib is cast and molded, dismantling the steel arch frame.
Nowadays, the adopted steel arch frames are all three-dimensional steel trusses which are assembled by a plurality of straight rod pieces. A cable crane (also called a cable crane or a cable crane) is a special type of hoisting equipment, has many unique advantages, is not limited by climate and terrain, can perform functions that other hoisting machinery cannot perform under specific conditions, and is widely used in engineering construction. The highway and the railway bridge often meet the situation that supports cannot be erected or hoisting machinery cannot be adopted for construction when crossing a heavy mountain area, due to the fact that the cost for constructing an access road in the mountain area is too high, the construction technology difficulty for erecting the supports in rivers and lakes is high, the inconvenience in traffic dispersion caused by crossing existing lines is caused, and the like, cable hoisting becomes the most economical and reasonable scheme selection in highway and railway construction, and particularly has a larger development space for bridge construction technology research on the basis of crossing rivers, cliffs, rivers, lakes and the like and crossing existing lines.
When the cable hoisting method is adopted to assemble and erect the steel arch centering of the deck arch bridge, the construction operation is relatively random, no unified and standard construction method can be followed, and in addition, the steel truss has large volume and weight and large assembly difficulty of the steel truss; meanwhile, as the hoisting range of the cable crane is limited, hoisting equipment is required to be equipped on site to hoist the pre-assembled and molded steel truss segment into the hoisting range of the cable crane, but as the constructed deck arch bridge spans a heavy mountain area, the construction environment is unfavorable and the construction space is limited, the normal use of the hoisting equipment is limited to a great extent. Therefore, a steel arch frame segmented transfer device which is simple in structure, reasonable in design, easy and convenient to use and operate and good in use effect needs to be designed, the occupied construction space is small, the steel arch frame segments can be simply, conveniently and quickly transferred to the lifting range of the cable crane one by one, the lifting difficulty of the cable crane is reduced to a great extent, and the lifting efficiency of the cable crane is accelerated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a steel bow member segmentation transfer device is used in construction of deck arch bridge, its simple structure, reasonable in design and use easy and simple to handle, excellent in use effect, through setting up the horizontal migration passageway at a lateral part beam segment bearing structure, and lay the horizontal migration device on the horizontal migration passageway and just can assemble the festival section to the bow member and carry out steady movement, can be simple and convenient, assemble the festival section with the bow member fast and remove to the region of lifting by crane of cable loop wheel machine.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a deck type is steel bow member segmentation transfer device for arched bridge construction which characterized in that: the assembling device comprises an assembling section moving device and a horizontal moving channel, wherein the assembling section moving device drives an arch assembling section of an assembled steel arch to horizontally move along the longitudinal bridge direction, the horizontal moving channel is used for horizontally moving the assembling section moving device, and the horizontal moving channel is horizontally arranged and is arranged along the longitudinal bridge direction; the assembled steel arch is a steel arch for constructing arch ribs of a constructed deck arch bridge, and the assembled steel arch is laid along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections which are laid along the longitudinal bridge direction from front to back; the front end and the rear end of each arch rib are respectively supported on a permanent support, the permanent supports are reinforced concrete supports, and the arch ribs are reinforced concrete arch rings; the constructed deck arch bridge comprises arch ribs and a girder positioned right above the arch ribs, wherein the arch ribs and the girder are arranged along a longitudinal bridge direction, the front end and the rear end of the girder are respectively supported on a bridge abutment, the girder is horizontally arranged and comprises a middle beam section supported on the arch ribs and two side beam sections respectively positioned on the front side and the rear side of the middle beam section, the middle beam section is connected between the two side beam sections, the middle beam section, the two side beam sections and the arch ribs are arranged along the longitudinal bridge direction, and the middle beam section and the arch ribs are fixedly connected through a plurality of vertical upright posts arranged from front to back along the longitudinal bridge direction; a plurality of supporting piers which are vertically arranged are arranged below each side beam section from front to back along the longitudinal bridge direction, each supporting pier is made of reinforced concrete, each side beam section is supported on one bridge abutment and a plurality of supporting piers, and one bridge abutment and a plurality of supporting piers supported below each side beam section form a side beam section supporting structure;
the horizontal moving channel is arranged on one lateral beam section supporting structure, and the lateral beam section supporting structure arranged on the horizontal moving channel is a moving channel supporting structure; the horizontal moving channel comprises a longitudinal supporting beam supported on the moving channel supporting structure, the assembling section moving device is a horizontal moving device which can move back and forth on the longitudinal supporting beam and drive the moving arch assembling section to move synchronously in the moving process, the longitudinal supporting beam is horizontally arranged and arranged along the longitudinal bridge direction, the horizontal moving device is positioned on the longitudinal supporting beam, and the moving arch assembling section is horizontally supported on the horizontal moving device; the rear end of the longitudinal support beam is an abutment support end supported on an abutment in the moving channel support structure, and the front end of the longitudinal support beam is a hoisting end; and a horizontal limiting part for limiting the horizontal moving device is arranged at the hoisting end of the longitudinal supporting beam.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the horizontal limiting part is a limiting stop block which is horizontally arranged.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the horizontal limiting part is positioned below the movable arch assembling segment.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the horizontal moving device comprises a left group of horizontal moving mechanisms and a right group of horizontal moving mechanisms which are symmetrically arranged, and each group of horizontal moving mechanisms comprises a plurality of horizontal moving mechanisms which are arranged from front to back along the longitudinal bridge direction; and the two groups of horizontal moving mechanisms are symmetrically supported below the left side and the right side of the assembled section of the moving arch frame.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the horizontal moving channel also comprises a left horizontal moving track and a right horizontal moving track which are symmetrically arranged and are used for the horizontal movement of the horizontal moving mechanism, and the horizontal moving tracks are horizontally arranged and are arranged along the longitudinal bridge direction; the two horizontal moving rails are symmetrically arranged above the left side and the right side of the longitudinal supporting beam;
each group of horizontal moving mechanisms in the horizontal moving device are all arranged on the same horizontal moving track.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the horizontal moving channel also comprises a left rail supporting beam and a right rail supporting beam which are symmetrically arranged and used for supporting the horizontal moving rail, and the rail supporting beams are horizontally arranged and arranged along the longitudinal bridge direction; each of the rail support beams is supported directly below one of the horizontal movement rails.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the movable arch assembling device is characterized by further comprising a limiting rope for limiting the assembled section of the movable arch, the limiting rope is located above the horizontal moving channel and behind the assembled section moving device, the rear end of the limiting rope is fixed to an anchor spindle or an anchor foundation located right behind the horizontal moving channel, and the front end of the limiting rope is fixed to the assembled section of the movable arch.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: the moving channel supporting structure is positioned at the rear side of the arch rib, and the supporting pier column supported by the front end of the longitudinal supporting beam is a front pier column; the two permanent supports are respectively a front side support supported below the front end of the arch rib and a rear side support supported below the rear end of the arch rib, the front end of the longitudinal support beam is positioned above the rear side support, and the front pier stud is supported on the rear side support.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: a tower is arranged on the rear side support and is a crane tower of a cable crane for hoisting the assembled section of the moving arch frame; the tower is positioned right behind the front pier stud;
the tower comprises two vertical support frames which are symmetrically arranged at the left side and the right side, the two vertical support frames are supported on the rear side support, and the two vertical support frames are symmetrically arranged at the left side and the right side of the horizontal moving channel.
The steel arch frame segmented transfer device for the deck arch bridge construction is characterized in that: every support the pier stud and all include that two vertical pier studs that the left and right sides symmetry was laid and a level supports in two the bent cap on the vertical pier stud, the bent cap is that the level is laid and it is laid along the horizontal bridge to, vertical supporting beam support in on a plurality of bent caps in the migration channel bearing structure.
Compared with the prior art, the utility model has the following advantage:
1. simple structure, reasonable in design and input construction cost are lower.
2. The lateral beam section supporting structure for supporting the lateral beam section is used as the lower supporting structure of the horizontal moving channel, the arch frame assembly section can be directly and quickly moved to the hoisting area of the cable crane, the occupied space is small, the construction is simple, convenient and quick, the special construction of the moving channel is not needed, the labor and the time are saved, the cost can be greatly saved, the limitation of construction occasions and field construction conditions is avoided, and the using effect is good.
3. The horizontal moving channel is reasonable in design, simple and convenient to construct and good in using effect, and only a longitudinal supporting beam needs to be erected on the moving channel supporting structure. For the horizontal migration device is steady, carry out horizontal migration fast for being convenient for, simultaneously for leading to the horizontal migration device, set up the horizontal migration track at vertical supporting beam, the dismouting is simple and convenient and the input cost is lower.
4. The adopted horizontal moving device is simple in structure, reasonable in design, easy and convenient to use and operate, good in using effect, low in investment cost and capable of being used repeatedly, the horizontal moving device comprises a left group of horizontal moving mechanisms and a right group of horizontal moving mechanisms which are symmetrically arranged, the movable arch frame assembling sections can be stably moved, meanwhile, the horizontal moving device is matched with the horizontal limiting parts, and the movable arch frame assembling sections are guaranteed to be safe and reliable in moving process.
5. The horizontal moving channel is erected on a lateral beam section supporting structure, the horizontal moving device is arranged on the horizontal moving channel, the arch frame assembling section can be stably moved, meanwhile, the front end of the horizontal moving channel is located on the front side of the rear tower of the cable crane, and the horizontal moving channel can penetrate through the rear tower, so that the arch frame assembling section can be conveniently and quickly moved to the lifting area of the cable crane, and the moving process of the arch frame assembling section is safe and reliable.
To sum up, the utility model has the advantages of simple structure and reasonable design and use easy and simple to handle, excellent in use effect through set up the horizontal migration passageway at a lateral part beam section bearing structure to laying horizontal migration device on the horizontal migration passageway and just can assembling the festival section to the bow member and carry out steady movement, can portably, assemble the festival section with the bow member and remove to the region of lifting by crane of cable loop wheel machine fast, and the bow member is assembled the festival section and is removed the process safety, reliable. And, the utility model discloses it is little to occupy construction space, can be simple and convenient, assemble the festival section with the bow member and transfer to the lifting by crane within range of cable loop wheel machine one by one fast, reduce the lifting by crane degree of difficulty of cable loop wheel machine in the very big degree for the hoist and mount efficiency of cable loop wheel machine.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of the longitudinal bridge structure of the present invention.
Fig. 2 is a schematic view of the transverse bridge structure of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the deck arch bridge constructed by the present invention.
Fig. 5 is a reference diagram of the longitudinal bridge of the present invention in the use state.
Fig. 6 is the utility model discloses the usage state reference chart when the segmental region rear end is assembled to the bow member and is removed to preceding pier stud top.
Fig. 7 is a schematic diagram of the arrangement position of the tower and the present invention.
Description of reference numerals:
1-the assembled steel arch frame; 1-arch assembling segments; 2-arch rib;
3-middle beam section; 3-1-longitudinal support beam; 4-side beam section;
5, vertical upright posts; 6-permanent support; 7-supporting the pier stud;
7-1-vertical pier stud; 7-2-capping beam; 8-abutment;
9-horizontal limit piece; 10-horizontal moving mechanism; 10-1-vehicle frame;
10-2-travelling wheels; 10-3 — upper support plate; 11-horizontal moving track;
12-a track support beam; 13-supporting a steel plate; 14-a spacing rope;
15-anchor ingot; 16-vertical connecting bolts; 17-a tower;
17-1-vertical support; 17-2-transverse connecting beam; 18-lower supporting steel plate;
19-leveling layer; 20-a working cable; 21-front sports car;
22-rear sports car.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention comprises an assembling segment moving device for driving the arch assembling segment 1-1 of the assembled steel arch 1 to horizontally move along the longitudinal bridge direction and a horizontal moving channel for the assembling segment moving device to horizontally move, wherein the horizontal moving channel is horizontally arranged and arranged along the longitudinal bridge direction; the assembled steel arch 1 is a steel arch for constructing an arch rib 2 of a constructed deck arch bridge, and the assembled steel arch 1 is laid along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections 1-1 which are laid along the longitudinal bridge direction from front to back; the front end and the rear end of the arch rib 2 are respectively supported on a permanent support 6, the permanent support 6 is a reinforced concrete support, and the arch rib 2 is a reinforced concrete arch ring; as shown in fig. 4, the constructed deck arch bridge comprises an arch rib 2 and a girder located right above the arch rib 2, the arch rib 2 and the girder are both arranged along a longitudinal bridge direction, the front end and the rear end of the girder are respectively supported on a bridge abutment 8, the girder is horizontally arranged and comprises a middle beam section 3 supported on the arch rib 2 and two side beam sections 4 respectively located on the front side and the rear side of the middle beam section 3, the middle beam section 3 is connected between the two side beam sections 4, the three are all arranged along the longitudinal bridge direction, and the middle beam section 3 and the arch rib 2 are fixedly connected through a plurality of vertical columns 5 arranged from front to back along the longitudinal bridge direction; a plurality of supporting piers 7 which are vertically arranged are arranged below each side beam section 4 from front to back along the longitudinal bridge direction, each supporting pier 7 is a reinforced concrete pier, each side beam section 4 is supported on one abutment 8 and a plurality of supporting piers 7, and one abutment 8 and a plurality of supporting piers 7 supported below each side beam section 4 form a side beam section supporting structure;
the horizontal moving channel is arranged on one lateral beam section supporting structure, and the lateral beam section supporting structure arranged on the horizontal moving channel is a moving channel supporting structure; the horizontal moving channel comprises a longitudinal supporting beam 3-1 supported on the moving channel supporting structure, the assembling segmental moving device is a horizontal moving device which can move back and forth on the longitudinal supporting beam 3-1 and drives the moving arch assembling segmental 1-1 to move synchronously in the moving process, the longitudinal supporting beam 3-1 is horizontally arranged and is arranged along the longitudinal bridge direction, the horizontal moving device is positioned on the longitudinal supporting beam 3-1, and the moving arch assembling segmental 1-1 is horizontally supported on the horizontal moving device; the rear end of the longitudinal support beam 3-1 is an abutment support end supported on an abutment 8 in the moving channel support structure, and the front end of the longitudinal support beam 3-1 is a hoisting end; and a horizontal limiting part 9 for limiting the horizontal moving device is arranged at the hoisting end of the longitudinal supporting beam 3-1.
In this embodiment, the abutment 8 is a reinforced concrete abutment, the vertical columns 5 are reinforced concrete columns, each of the side beam sections 4 and the support structure of the side beam section supported below the side beam section form an approach bridge of the constructed deck arch bridge, the middle beam section 3, the arch rib 2 and the vertical columns 5 connected therebetween form a main bridge of the constructed deck arch bridge, and the constructed deck arch bridge is formed by connecting the main bridge and front and rear approach bridges connected with the main bridge. And one supporting pier column 7 is arranged below the joint between each side beam section 4 and the middle beam section 3. And each bridge abutment 8 and the plurality of supporting piers 7 in the supporting structure of the side beam section are uniformly distributed on the same vertical surface.
As shown in fig. 5, in the present embodiment, the moving passage support structure is the side beam section support structure located at the rear side of the middle beam section 3. In practice, the moving walkway support structure may also be the side beam section support structure located at the front side of the middle beam section 3.
In this embodiment, the horizontal limiting member 9 is a limiting stopper horizontally arranged.
In order to ensure that the horizontal movement process of the moved arch assembling section 1-1 is not affected while the horizontal limiting piece 9 limits the horizontal movement device, the horizontal limiting piece 9 is located below the moved arch assembling section 1-1.
In this embodiment, the limit stop is a cubic stop fixed above the hoisting end of the longitudinal support beam 3-1.
As shown in fig. 2, in order to ensure that the moved arch assembling sections 1-1 are moved smoothly and that the moved arch assembling sections 1-1 are placed on the horizontal moving device smoothly during the moving process, the horizontal moving device includes two groups of horizontal moving mechanisms 10 which are symmetrically arranged at the left and right, and each group of horizontal moving mechanisms 10 includes a plurality of horizontal moving mechanisms 10 which are arranged from front to back along the longitudinal bridge direction; two groups of horizontal moving mechanisms 10 are symmetrically supported below the left side and the right side of the moving arch assembling sections 1-1.
When actually moving, the moved arch splicing sections 1-1 are stably placed on the two groups of horizontal moving mechanisms 10.
In this embodiment, each set of the horizontal moving mechanism 10 includes a front horizontal moving mechanism 10 and a rear horizontal moving mechanism 10, and the two horizontal moving mechanisms 10 are respectively supported below the front side and the rear side of the movable arch assembling segment 1-1. In actual use, the number of the horizontal moving mechanisms 10 included in each group of the horizontal moving mechanisms 10 and the arrangement positions of the horizontal moving mechanisms 10 can be adjusted correspondingly according to specific needs.
As shown in fig. 2 and 3, in order to facilitate the horizontal movement mechanism 10 to perform horizontal movement smoothly and quickly and guide the horizontal movement mechanism 10, the horizontal movement channel further includes two horizontal movement tracks 11 which are symmetrically arranged at the left and right and are used for the horizontal movement of the horizontal movement mechanism 10, and the horizontal movement tracks 11 are arranged horizontally and are arranged along the longitudinal bridge direction; the two horizontal moving rails 11 are symmetrically arranged above the left side and the right side of the longitudinal supporting beam 3-1;
each group of the horizontal moving mechanisms 10 in the horizontal moving device is installed on the same horizontal moving track 11.
In the embodiment, the longitudinal support beam 3-1 is formed by splicing a plurality of horizontal support plates, the horizontal support plates are horizontally arranged and are arranged along the longitudinal bridge direction, and the horizontal support plates are arranged on the same horizontal plane from left to right along the transverse bridge direction; the plurality of horizontal support plates are all supported on the moving channel support structure. During actual construction, the plurality of horizontal support plates are small in width, light in weight and simple and convenient to disassemble and assemble.
In order to ensure the supporting strength, the horizontal moving channel also comprises a left rail supporting beam and a right rail supporting beam 12 which are symmetrically arranged and used for supporting the horizontal moving rail 11, wherein the rail supporting beams 12 are horizontally arranged and are arranged along the longitudinal bridge direction; each of the rail support beams 12 is supported directly below one of the horizontal movement rails 11.
In this embodiment, the number of the horizontal limiting members 9 is two, and each horizontal limiting member 9 is located right in front of one horizontal moving rail 11.
In order to ensure the safety and reliability of the moving process and prevent the moving arch assembling segment 1-1 from moving forward to the outside of the horizontal moving channel, the utility model discloses still include one and assemble segment 1-1 to the moving arch and carry out spacing rope 14, spacing rope 14 is located horizontal moving channel top, spacing rope 14 is located assemble segment mobile device rear, spacing rope 14 rear end is fixed on the anchor 15 or the anchor basis that are located the horizontal moving channel dead astern, spacing rope 14 front end is fixed on moving arch assembling segment 1-1. In practical use, the limiting rope 14 can effectively prevent the moved arch frame splicing section 1-1 from sliding forward out of control and rushing out of the horizontal moving channel.
In this embodiment, the rear end of the limiting rope 14 is fixed to the anchor 15.
The anchor 15 is of a reinforced concrete structure and is provided with an anchoring part for binding and fixing the rear end of the limiting rope 14.
In this embodiment, the moving channel supporting structure is located at the rear side of the arch rib 2, and the supporting pier 7 supported by the front end of the longitudinal supporting beam 3-1 is a front pier; the two permanent supports 6 are respectively a front side support supported below the front end of the arch rib 2 and a rear side support supported below the rear end of the arch rib 2, the front end of the longitudinal support beam 3-1 is positioned above the rear side support, and the front pier stud is supported on the rear side support.
Two permanent support 6 is the hunch seat that supports rib 2, preceding pier stud support in on the rear side support, can effectively ensure the support steadiness of preceding pier stud, simultaneously because preceding pier stud supports in middle part beam section 3 and one below the junction between lateral part beam section 4, therefore can effectively ensure the support intensity of middle part beam section 3 and lateral part beam section 4 supported, and with the rear side support is direct as the support basis of preceding pier stud, save construction to the basis of preceding pier stud, it is laborsaving time-saving.
During actual construction, when the assembled steel arch frame 1 is assembled, the cable crane is adopted to hoist the arch frame assembling sections 1-1 of the assembled steel arch frame 1 one by one to the position for assembling.
As shown in fig. 5 and 7, a tower 17 is disposed on the rear support, and the tower 17 is a crane tower of a cable crane for hoisting the moved arch assembling segment 1-1; the tower 17 is positioned right behind the front pier stud;
the tower 17 comprises two vertical support frames 17-1 which are symmetrically arranged at the left and right, the two vertical support frames 17-1 are supported on the rear side support, and the two vertical support frames 17-1 are symmetrically arranged at the left and right sides of the horizontal moving channel.
Meanwhile, each tower 17 further comprises a plurality of transverse connecting beams 17-2 arranged from top to bottom, and the two vertical support frames 17-1 in each tower 17 are connected into a whole through the plurality of transverse connecting beams 17-2.
In this embodiment, the vertical support frame 17-1 is a support column formed by assembling a plurality of straight rods, and the support column is a cubic column.
And the transverse connecting beam 17-2 is a horizontal connecting beam formed by splicing a plurality of straight rod pieces.
During actual construction, a special tower foundation for supporting the tower 17 does not need to be constructed, and the tower 17 only needs to be directly supported on the rear side support, so that the support is firm, and labor and time are saved. Meanwhile, the tower 17 and the front pier stud are supported on the rear side support, after construction of the rear side support is completed, the tower 17 and the front pier stud can be constructed respectively, construction efficiency can be effectively improved, and the cable crane can hoist the arch frame assembly sections 1-1 which are moved to the upper portion of the front pier stud more conveniently. The area above the front pier is the hoisting area of the cable crane, and the hoisting area is located on the front side of the tower 17.
In this embodiment, the cable crane includes two front and rear towers 17, a working cable 20 mounted on the two towers 17, and a trolley capable of moving forward and backward along the working cable 20 and hoisting the arch assembly segment 1-1, the trolley is mounted on the working cable 20 and located between the two towers 17, and the trolley is located above the arch rib 2; the two towers 17, the arch rib 2 and the longitudinal support beam 3-1 are positioned on the same vertical plane, and the two towers 17 are respectively a front tower positioned on the front side of the arch rib 2 and a rear tower positioned on the rear side of the arch rib 2. Wherein the trolley is also called a sports car.
In this embodiment, the tower 17 supported by the rear side support is the rear tower.
The two vertical support frames 17-1 in the rear tower are supported on the rear side support, the two vertical support frames 17-1 in the rear tower are symmetrically arranged on the left side and the right side of the horizontal moving channel, and the clear distance between the two vertical support frames 17-1 in the rear tower is larger than the width of the horizontal moving channel.
In this embodiment, each of the supporting piers 7 includes two vertical piers 7-1 symmetrically arranged at left and right sides and a capping beam 7-2 horizontally supported on the two vertical piers 7-1, the capping beams 7-2 are horizontally arranged and arranged along a transverse bridge direction, and the longitudinal supporting beam 3-1 is supported on the plurality of capping beams 7-2 in the moving channel supporting structure.
During actual construction, the cover beam 7-2 is a reinforced concrete beam, and the vertical pier column 7-1 is a reinforced concrete column.
In this embodiment, the horizontal support plate is a flat steel plate, and the horizontal support plate and each of the bent caps 7-2 in the moving channel support structure are connected by a plurality of vertical connecting bolts 16. Therefore, the practical dismounting is simple and convenient, and the stable supporting requirement can be met.
In order to ensure the support stability, a lower support steel plate 18 is padded between each cover beam 7-2 in the horizontal support plate and the moving channel support structure, and each lower support steel plate 18 and the horizontal support plate are fixed through a vertical connecting bolt 16.
In this embodiment, a leveling layer 19 is disposed between the lower supporting steel plate 18 and the cap beam 7-2 supported by the lower supporting steel plate, and the leveling layer 19 is a mortar leveling layer or a concrete leveling layer.
In this embodiment, the horizontal moving track 11 is a channel steel with an upward notch. The horizontal movement mechanism 10 is mounted in the channel.
The horizontal moving track 11 is simple and convenient to actually install, easy and simple to use and operate, and good in using effect, and the channel steel can stably guide the horizontal moving mechanism 10, so that the moving process is ensured to be simple, convenient and rapid.
In the embodiment, the horizontal moving mechanism 10 is a horizontal moving vehicle, the horizontal moving vehicle comprises a vehicle frame 10-1, an upper support plate 10-3 arranged on the vehicle frame 10-1 and two groups of walking wheels 10-2 symmetrically arranged at the bottoms of the left side and the right side of the vehicle frame 10-1, and each group of walking wheels 10-2 comprises a plurality of walking wheels 10-2 arranged from front to back along the longitudinal axle direction; the moved arch erection segments 1-1 are supported on upper support plates 10-3.
Every track supporting beam 12 forms by the concatenation of multichannel I-steel, multichannel the I-steel all is the level and lays and it all lays along the longitudinal bridge to, and is a plurality of the I-steel is laid to from left to right along the transverse bridge. And in order to ensure the support stability, a supporting steel plate 13 is padded on each track supporting beam 12 and the longitudinal supporting beam 3-1, and the supporting steel plate 13 is a flat steel plate which is horizontally arranged and is arranged along the longitudinal bridge direction.
In this embodiment, each of the rail support beams 12 is welded and fixed to one of the bolster steel plates 13. Each of the horizontal moving rails 11 is welded and fixed to one of the rail support beams 12. The actual construction is simple and convenient, and the connection is firm.
When the device is actually used, the side beam section supporting structure for supporting the side beam section 4 is used for moving the arch frame assembly section 1-1, the arch frame assembly section 1-1 can be directly and quickly moved to the hoisting area of the cable crane, the occupied space is small, the construction is simple, convenient and quick, a special construction moving channel is not needed, the labor and the time are saved, the cost can be greatly saved, meanwhile, the device is not limited by construction occasions and field construction conditions, and the using effect is good. As shown in fig. 5 and 6, the working cable 20 is provided with two front and rear trolleys, the two trolleys are respectively a front carriage 21 and a rear carriage 22 located at the rear side of the front carriage 21, and both the trolleys are hoisting devices for hoisting the arch assembling segment 1-1.
As shown in fig. 5, the horizontal moving device is used for moving the arch assembling section 1-1 forward along the longitudinal bridge direction, and the horizontal moving device is used for horizontally supporting the front side and the rear side of the arch assembling section 1-1 in the moving process, so that the moving arch assembling section 1-1 is ensured to be in a stable state and the moving process is safe and reliable; when the front end of the moved arch assembling section 1-1 moves to the upper part of the front pier stud, the moved arch assembling section 1-1 enters a lifting area of the cable crane, and at the moment, the front carriage 21 is connected with the front end of the moved arch assembling section 1-1, so that the front carriage 21 can lift the front end of the moved arch assembling section 1-1. Then, the horizontal moving device is utilized to continuously move the arch assembling section 1-1 forwards along the longitudinal bridge direction until the front end of the moved arch assembling section 1-1 is moved to the position above the front pier stud, and the hoisting function of the front roadster 21 is matched with the horizontal supporting function of the horizontal moving device in the moving process, so that the moved arch assembling section 1-1 can be effectively ensured to be in a stable state, and the moving process is ensured to be safe and reliable; as shown in fig. 6, when the front end of the moved arch assembling section 1-1 moves above the front pier stud, the rear running car 22 is connected with the rear end of the moved arch assembling section 1-1, so that the rear running car 22 can hoist the rear end of the moved arch assembling section 1-1. After the rear carriage 22 is connected with the rear end of the moved arch assembling section 1-1, the moved arch assembling section 1-1 is stably hoisted through the front carriage 21 and the rear carriage 22, so that the hoisting process of the cable crane is completed, the actual construction is simple and convenient, and the construction process is safe and reliable.
After the movable arch assembling segment 1-1 enters the hoisting area of the cable crane, the horizontal moving device is limited by the horizontal limiting piece 9, so that the horizontal moving device cannot be moved out of the horizontal moving channel, the safety and reliability of the construction process are ensured, and the influence on the forward movement of the arch assembling segment 1-1 is avoided. In addition, the limiting rope 14 is a brake cable, so that the safety and stability of the moving process of the arch assembling sections 1-1 can be further ensured.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides a deck type is steel bow member segmentation transfer device for arched bridge construction which characterized in that: the device comprises an assembling section moving device and a horizontal moving channel, wherein the assembling section moving device drives an arch assembling section (1-1) of an assembled steel arch (1) to horizontally move along the longitudinal bridge direction, the horizontal moving channel is used for horizontally moving the assembling section moving device, and the horizontal moving channel is horizontally arranged and is arranged along the longitudinal bridge direction; the assembled steel arch (1) is a steel arch for constructing arch ribs (2) of a constructed deck arch bridge, and the assembled steel arch (1) is arranged along the longitudinal bridge direction and is formed by splicing a plurality of arch assembling sections (1-1) arranged from front to back along the longitudinal bridge direction; the front end and the rear end of the arch rib (2) are respectively supported on a permanent support (6), the permanent support (6) is a reinforced concrete support, and the arch rib (2) is a reinforced concrete arch ring; the constructed deck arch bridge comprises arch ribs (2) and a girder positioned right above the arch ribs (2), wherein the arch ribs (2) and the girder are arranged along the longitudinal bridge direction, the front end and the rear end of the girder are respectively supported on a bridge abutment (8), the girder is horizontally arranged and comprises a middle beam section (3) supported on the arch ribs (2) and two side beam sections (4) respectively positioned on the front side and the rear side of the middle beam section (3), the middle beam section (3) is connected between the two side beam sections (4), the middle beam section, the two side beam sections and the three beam sections are arranged along the longitudinal bridge direction, and the middle beam section (3) and the arch ribs (2) are fixedly connected through a plurality of vertical upright posts (5) arranged from front to back along the longitudinal bridge direction; a plurality of supporting piers (7) which are vertically arranged are arranged below each side beam section (4) from front to back along the longitudinal bridge direction, each supporting pier (7) is a reinforced concrete pier, each side beam section (4) is supported on one abutment (8) and a plurality of supporting piers (7), and one abutment (8) and a plurality of supporting piers (7) supported below each side beam section (4) form a side beam section supporting structure;
the horizontal moving channel is arranged on one lateral beam section supporting structure, and the lateral beam section supporting structure arranged on the horizontal moving channel is a moving channel supporting structure; the horizontal moving channel comprises a longitudinal supporting beam (3-1) supported on a moving channel supporting structure, the assembled arch assembling section moving device is a horizontal moving device which can move back and forth on the longitudinal supporting beam (3-1) and drive the moved arch assembling section (1-1) to move synchronously in the moving process, the longitudinal supporting beam (3-1) is horizontally arranged and arranged along the longitudinal bridge direction, the horizontal moving device is positioned on the longitudinal supporting beam (3-1), and the moved arch assembling section (1-1) is horizontally supported on the horizontal moving device; the rear end of the longitudinal supporting beam (3-1) is an abutment supporting end supported on an abutment (8) in the moving channel supporting structure, and the front end of the longitudinal supporting beam (3-1) is a hoisting end; and a horizontal limiting part (9) for limiting the horizontal moving device is arranged at the hoisting end of the longitudinal supporting beam (3-1).
2. The segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1, wherein: the horizontal limiting part (9) is a limiting stop block which is horizontally arranged.
3. A segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1 or 2, wherein: the horizontal limiting piece (9) is positioned below the movable arch assembling segment (1-1).
4. A segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1 or 2, wherein: the horizontal moving device comprises a left group of horizontal moving mechanisms (10) and a right group of horizontal moving mechanisms (10) which are symmetrically arranged, and each group of horizontal moving mechanisms (10) comprises a plurality of horizontal moving mechanisms (10) which are arranged from front to back along the longitudinal bridge direction; the two groups of horizontal moving mechanisms (10) are symmetrically supported below the left side and the right side of the moving arch assembling sections (1-1).
5. The segmental transfer device of a steel arch for a deck arch bridge construction according to claim 4, wherein: the horizontal moving channel also comprises a left horizontal moving track (11) and a right horizontal moving track (11) which are symmetrically arranged and used for the horizontal moving mechanism (10) to move horizontally, and the horizontal moving tracks (11) are horizontally arranged and are arranged along the longitudinal bridge direction; the two horizontal moving rails (11) are symmetrically arranged above the left side and the right side of the longitudinal supporting beam (3-1);
each group of horizontal moving mechanisms (10) in the horizontal moving device is arranged on the same horizontal moving track (11).
6. The segmental transfer device of a steel arch for a deck arch bridge construction according to claim 5, wherein: the horizontal moving channel also comprises a left rail supporting beam and a right rail supporting beam (12) which are symmetrically arranged and used for supporting the horizontal moving rail (11), and the rail supporting beams (12) are horizontally arranged and arranged along the longitudinal bridge direction; each of the rail support beams (12) is supported directly below one of the horizontal movement rails (11).
7. A segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1 or 2, wherein: the movable arch assembling device is characterized by further comprising a limiting rope (14) for limiting the movable arch assembling sections (1-1), wherein the limiting rope (14) is located above the horizontal moving channel, the limiting rope (14) is located behind the assembling section moving device, the rear ends of the limiting rope (14) are fixed on an anchor spindle (15) or an anchor foundation which is located right behind the horizontal moving channel, and the front ends of the limiting rope (14) are fixed on the movable arch assembling sections (1-1).
8. A segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1 or 2, wherein: the moving channel supporting structure is positioned at the rear side of the arch rib (2), and a supporting pier column (7) supported by the front end of the longitudinal supporting beam (3-1) is a front pier column; two permanent support (6) are respectively for supporting in the front side support of arch rib (2) front end below and supporting in the back side support of arch rib (2) rear end below, the front end of vertical supporting beam (3-1) is located back side support top, preceding pier stud support in on the back side support.
9. The segmental transfer device of a steel arch for a deck arch bridge construction according to claim 8, wherein: a tower (17) is arranged on the rear side support, and the tower (17) is a crane tower of the cable crane for hoisting the movable arch assembly section (1-1); the tower (17) is positioned right behind the front pier stud;
the tower (17) comprises two vertical support frames (17-1) which are symmetrically arranged at the left side and the right side, the two vertical support frames (17-1) are supported on the rear side support, and the two vertical support frames (17-1) are symmetrically arranged at the left side and the right side of the horizontal moving channel.
10. A segmental transfer device of a steel arch for a deck arch bridge construction according to claim 1 or 2, wherein: each supporting pier column (7) comprises a left vertical pier column (7-1) and a right vertical pier column (7-1) which are symmetrically arranged and a cover beam (7-2) which is horizontally supported on the two vertical pier columns (7-1), the cover beams (7-2) are horizontally arranged and are arranged along the transverse bridge direction, and the longitudinal supporting beams (3-1) are supported on the cover beams (7-2) in the moving channel supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372563.8U CN210684482U (en) | 2019-08-22 | 2019-08-22 | Steel arch frame segmented transfer device for deck type arch bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372563.8U CN210684482U (en) | 2019-08-22 | 2019-08-22 | Steel arch frame segmented transfer device for deck type arch bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN210684482U true CN210684482U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921372563.8U Active CN210684482U (en) | 2019-08-22 | 2019-08-22 | Steel arch frame segmented transfer device for deck type arch bridge construction |
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| Country | Link |
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| CN (1) | CN210684482U (en) |
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