CN111472277B - Assembled pier transporting and erecting integrated machine and assembled pier transporting and erecting method based on same - Google Patents
Assembled pier transporting and erecting integrated machine and assembled pier transporting and erecting method based on same Download PDFInfo
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- CN111472277B CN111472277B CN202010246823.8A CN202010246823A CN111472277B CN 111472277 B CN111472277 B CN 111472277B CN 202010246823 A CN202010246823 A CN 202010246823A CN 111472277 B CN111472277 B CN 111472277B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention relates to an assembly type pier transporting and erecting integrated machine and an assembly type pier transporting and erecting method based on the same, wherein the transporting and erecting integrated machine comprises a pier section transport vehicle, a main beam and a pier section hoisting crown block; the pier joint transport vehicle is a multi-shaft tire type hydraulic transport flat vehicle; the two main beams are fixedly arranged on the pier section transport vehicle in parallel, and the front ends of the main beams extend out of the pier section transport vehicle and are suspended on the pier section transport vehicle; a space for placing pier components to be assembled is reserved between the two main beams; the pier section hoisting crown block can longitudinally move along the rail on the top surface of the main beam and is used for hoisting and lowering pier components to be assembled. The invention also provides a spliced pier transporting and erecting method based on the transporting and erecting all-in-one machine.
Description
Technical Field
The invention relates to a frame transporting device for prefabricated sections of assembled piers and a frame transporting method for operation by using the same, in particular to an integrated frame transporting machine for assembled piers and a frame transporting method for the assembled piers based on the integrated frame transporting machine.
Background
With the application of the prior Jingxiong railway section prefabricated assembled pier, the project adopting the section prefabricated assembled pier is more and more extensive in the construction of high-speed railway bridges (even highway bridges) in future. The installation method of the assembly type pier at present comprises the following steps: the segments are transported to the site by roads and then installed by a large truck crane. The disadvantages of this mounting method are: firstly, a large amount of land acquisition is needed when a construction access under a bridge is to be built; secondly, special foundation treatment is required to be carried out on the truck crane operation site to ensure the safety of the hoisting operation; thirdly, the safety and reliability of the large truck crane operation are not high; fourthly, the influence of field terrain conditions is great, and the method is difficult to implement under complex terrain environments such as water, mudflats, high piers, canyons and the like; fifthly, road transportation of pier sections is more limited by over-limit and overweight traffic and is more greatly influenced by weather conditions; sixthly, the comprehensive cost is high.
Based on the situation, the invention particularly discloses the assembly type pier transportation and support integrated machine and the assembly type pier transportation and support method based on the same. The spliced pier transporting and erecting integrated machine can be used for loading prefabricated pier sections of spliced piers, transporting the pier sections to a bridge head along a built roadbed and erected beams, and automatically completing aerial installation operation of all the pier sections, so that multiple functions are realized, various defects of the truck crane installation method are avoided, the site environment adaptability, the operation efficiency and the safety and reliability can be improved, and the cost can be greatly saved.
Disclosure of Invention
In order to overcome the problems, the invention provides an assembly type pier transporting and erecting integrated machine and an assembly type pier transporting and erecting method based on the same.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides a pin-connected panel pier fortune frame all-in-one which key technology lies in: the device comprises a pier section transport vehicle, a main beam and a pier section hoisting overhead traveling crane;
the pier joint transport vehicle is a multi-shaft tire type hydraulic transport flat vehicle;
the two main beams are fixedly arranged on the pier section transport vehicle in parallel, and the front ends of the main beams extend out of the pier section transport vehicle and are suspended on the pier section transport vehicle; a space for placing pier components to be assembled is reserved between the two main beams;
the pier section hoisting crown block can longitudinally move along the rail on the top surface of the main beam and is used for hoisting and lowering pier components to be assembled.
As a further improvement of the invention, the main beam comprises two fixed main beam sections fixedly arranged on the top surface of the pier section transport vehicle and a foldable front cantilever main beam section hinged to the front ends of the fixed main beam sections; the fixed main beam section and the foldable front cantilever main beam section are hinged through a shear pin shaft, and the fixed main beam section and the foldable front cantilever main beam section are folded through a swing oil cylinder mechanism.
As a further improvement of the invention, the pier section hoisting crown block comprises two inverted U-shaped crown block supports, a walking mechanism, a hoisting mechanism and a rotary hoisting tool, wherein the two U-shaped crown block supports are arranged in parallel, the bottom of the U-shaped crown block supports is fixedly provided with the walking mechanism, the hoisting mechanism comprises hoisting machines fixedly arranged at two sides of the U-shaped crown block supports, a guide fixed pulley and a steel wire hoisting rope fixedly arranged at the top of the U-shaped crown block supports, one end of the steel wire hoisting rope is connected with the rotary hoisting tool, and the other end of the steel wire hoisting rope bypasses the guide fixed pulley and is connected with the hoisting machines.
As a further improvement of the invention, the hoisting mechanism further comprises an adjusting oil cylinder fixedly arranged on the U-shaped crown block bracket, and the adjusting oil cylinder is used for adjusting the guide fixed pulley to move transversely along the U-shaped crown block bracket.
As a further improvement of the invention, the front end of the fixed main beam section is provided with a main beam supporting oil cylinder for supporting the box beam.
As a further improvement of the invention, the tail part of the main beam is provided with a balance weight.
As a further improvement of the invention, the fixed main beam section is connected with the pier section transport vehicle through a bolt connecting cushion block.
A spliced pier transporting and erecting method based on the spliced pier transporting and erecting all-in-one machine is characterized by comprising the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle from front to back according to the installation sequence of all pier components of the spliced pier; the pier assembly comprises a plurality of pier sections and a pier cap;
(2) the spliced pier transporting and erecting integrated machine moves to a bridge head, a main beam supporting oil cylinder extends out to be supported at the beam end of the erected box girder, and a pier section hoisting crown block sequentially hoists, moves forwards, falls and is installed on a pier section of the spliced pier to form a pier body of the spliced pier;
(3) after all pier body sections are installed, the pier section hoisting crane hoists, moves forwards and falls down to a proper position, rotates the pier cap by 90 degrees and installs the pier cap on the pier body to complete the assembly of the whole pier;
(4) and (4) hoisting the crown block by using the pier sections to retreat, and returning the assembled pier transporting and erecting all-in-one machine to the prefabricating field.
As another embodiment of the assembly type bridge pier transportation method, the method comprises the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle from front to back according to the installation sequence of all pier components of the spliced pier; the pier assembly comprises a plurality of pier sections and a pier cap;
(2) the assembly type bridge pier transporting and erecting integrated machine moves to a bridge head, extends out of a main beam supporting oil cylinder to be supported at the beam end of the erected box girder, unfolds the foldable front cantilever main beam section through a swing oil cylinder mechanism, and is connected with the fixed main beam section through a shear pin shaft;
(3) the pier section hoisting crown block sequentially hoists, moves forwards, falls and installs each pier section of the spliced pier to form a pier body of the spliced pier;
(4) after all pier body sections are installed, the pier section hoisting crane hoists, moves forwards and falls the pier cap part of the assembled pier to a proper position, and then the pier cap part rotates by 90 degrees and is installed on the pier body to complete the assembly of the whole pier;
(5) the pier sections lift the overhead traveling crane to retreat, shear pin shafts on the inner sides of the main beams are pulled out, then the foldable front cantilever main beam sections are folded through the swing oil cylinder mechanisms until the foldable front cantilever main beam sections and the fixed main beam sections are fixed side by side, and the assembled pier carrying and erecting integrated machine retreats to a prefabricating field.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the spliced pier transporting and erecting integrated machine and the spliced pier transporting and erecting method based on the spliced pier transporting and erecting integrated machine are characterized in that a space for placing pier components is reserved between two main beams of the spliced pier transporting and erecting integrated machine, the front ends of the main beams extend out of the suspension of a pier section transport vehicle and can be forwards extended out from the beam ends of erected box beams, and pier section hoisting crown blocks are arranged on the main beams and can complete hoisting, forward moving and falling of pier sections and pier caps so as to hoist the pier sections and the pier caps.
The assembly type pier transporting and erecting integrated machine and the assembly type pier transporting and erecting method based on the assembly type pier transporting and erecting integrated machine fill up the blank of the assembly type pier transporting and erecting integrated machine in China at present and also fill up the blank of the integrated construction method for transporting and installing the assembly type pier prefabricated sections in China. The multifunctional assembled pier can be used for loading and transporting prefabricated pier sections of the assembled pier and automatically completing aerial installation operation of the pier, multiple functions are really realized in construction of the assembled pier, the environmental adaptability of site construction is improved, the operation efficiency and the safe reliability of the transportation frame are improved, and the construction cost is saved.
By utilizing the assembly type pier transportation and erection integrated machine and the assembly type pier transportation and erection method, construction access roads under bridges can be avoided being built, and a large amount of land acquisition is avoided; large-scale automobile hoisting operation is not needed; the bridge pier hoisting is not affected by the on-site topographic conditions any more, the method can be normally implemented in complex topographic environments such as water, mudflats, high piers and canyons, and the influence of weather on construction is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic side view of the whole structure of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a rear view of the present invention.
Fig. 4 is an overall cross-sectional structural view of the present invention.
Fig. 5 is a schematic front view of the pier segment hoisting crown block.
Fig. 6 is a side view schematic diagram of the pier segment hoisting overhead crane of the invention.
Fig. 7 is a schematic cross-sectional view of the assembly type pier frame transporting and integrating machine of the invention when passing through a tunnel.
Fig. 8 is a schematic diagram of the overall top view structure of the present invention.
Fig. 9 is a partially enlarged schematic view of a portion B in fig. 8.
Fig. 10 is a schematic top view of a pier segment hoisting crown block.
FIG. 11 is a schematic view of a folding structure of the foldable front cantilever girder section of the present invention.
Fig. 12 is a side view of the pier segment of the present invention in a loaded state.
Fig. 13 is a schematic top view of the pier segment of the present invention in a loaded state.
Fig. 14 is a schematic side view of the pier-section bridge of the present invention in a transport state.
FIG. 15 is a schematic top view of a foldable front cantilever girder section according to the present invention during the unfolding process.
FIG. 16 is a schematic side view of a foldable front cantilever girder section according to the present invention in an unfolded state.
Fig. 17 is a schematic side view of the hoisting structure on the pier-section bridge of the invention.
Fig. 18 is a schematic side view of the hoisting structure on the coping bridge of the invention.
FIG. 19 is a schematic view of the overall return side view of the present invention.
Wherein: the device comprises a pier section transport vehicle 1, a main beam 2, a balance weight 3, a pier section 4 hoisting crown block, a fixed main beam section 5, a main beam supporting oil cylinder 6, a foldable front cantilever main beam section 7, a cushion block 8, a shear pin shaft 9, a swinging oil cylinder mechanism 10, a U-shaped crown block support 11, a traveling mechanism 12, a hoisting mechanism 13, a rotary lifting tool 14, a guide fixed pulley 15, an adjusting oil cylinder 16, a guide pulley 17, a lifting rod 18, a rotary lifting tool pulley 19, a steel wire lifting rope 20, a traveling wheel 21, a driving motor 22, a driven gear 23, a pier 100, a pier section 101, a pier cap 102, a box girder 200 and a tunnel 300.
Detailed Description
For purposes of clarity and a complete description of the present invention, and the like, in conjunction with the detailed description, it is to be understood that the terms "central," "vertical," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the present invention, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example 1
The assembled pier transporting and erecting integrated machine shown in fig. 1 comprises a pier section transport vehicle 1, a main beam 2 and a pier section hoisting crown block 4.
The pier joint transport vehicle 1 is a multi-shaft tire type hydraulic transport flat vehicle; the beam transporting vehicle can be designed and manufactured independently, and can be replaced by the existing beam transporting vehicle for transporting the high-speed rail box beam in the current construction unit; the two main beams 2 are fixedly arranged on the pier section transport vehicle 1 in parallel, the front ends of the main beams 2 extend out of the pier section transport vehicle 1 and are suspended on the pier section transport vehicle 1, and a space for placing pier components to be assembled is reserved between the two main beams 2; the pier section hoisting crown block 4 can longitudinally travel and move along the track on the top surface of the main beam 2, and the pier section hoisting crown block 4 is used for hoisting and lowering pier components to be assembled.
Pier section transport vechicle 1 can realize loading and transportation of the prefabricated pier section of pin-connected panel pier, thereby pier section lifts by crane overhead traveling crane 4 can accomplish to pier section and pier cap lift by crane, antedisplacement, whereabouts hoist and mount, and wherein 2 front ends of girder extend and unsettled, lean out the bridge end that has erect, make pier section lift by crane overhead traveling crane 4 can lift by crane and transfer pier subassembly and accomplish aerial installation operation.
Example 2
As shown in fig. 1 to 11, as a preferred embodiment of the split mounting type pier and frame transporting integrated machine, on the basis of example 1, the main beam 2 comprises two fixed main beam sections 5 fixedly installed on the top surface of the pier section transporting vehicle 1 and a foldable front cantilever main beam section 7 hinged to the front ends of the fixed main beam sections 5; the fixed main beam section 5 is fixedly connected with the pier section transport vehicle 1 through a bolt connecting cushion block 8, the pier section transport vehicle 1 extends out of the front end of the fixed main beam section 5, and a main beam supporting oil cylinder 6 used for supporting the box girder is arranged at the bottom of the extending position. The tail of the main beam 2 is provided with a balance weight 3 for pressing the pier section transport vehicle 1.
As shown in fig. 1 and 2, the fixed main beam section 5 and the foldable front cantilever main beam section 7 are hinged by a shear pin shaft 9, and the fixed main beam section 5 and the foldable front cantilever main beam section 7 are folded by a swing cylinder mechanism 10. The swing oil cylinder mechanism 10 is fixedly arranged between the fixed main beam section 5 and the foldable front cantilever main beam section 7. The foldable front cantilever main beam section 7 is an extension part of the main beam 2, can extend out of the pier section transport vehicle 1 and the bridged beam and is suspended and arranged right above a pier to be assembled.
Referring to fig. 2 and 9, between the fixed main beam section 5 and the foldable front cantilever main beam section 7, a shear pin shaft 9 is respectively arranged at the upper and lower parts of the inner side of the fixed main beam section, and a shear pin shaft 9 is respectively arranged at the upper and lower parts of the outer side of the fixed main beam section; the rotary folding is that two shearing force pin shafts 9 on the inner side of the foldable front cantilever main beam section 7 are pulled out to be hinged on the fixed main beam section 5 through the two shearing force pin shafts 9 on the outer side, so that the foldable front cantilever main beam section 7 can be outwards turned and folded.
As shown in fig. 4, 5, 6 and 10, the pier stud hoisting crown block 4 includes two inverted U-shaped crown block supports 11, a traveling mechanism 12, a hoisting mechanism 13 and a rotary hoisting tool 14, the two U-shaped crown block supports 11 are arranged in parallel, the bottom of the U-shaped crown block supports is fixedly provided with the traveling mechanism 12, the hoisting mechanism 13 includes hoisting machines fixedly arranged at two sides of the U-shaped crown block supports 11, a guide fixed pulley 15 and a steel wire hoisting rope 20 fixedly arranged at the top of the U-shaped crown block supports 11, one end of the steel wire hoisting rope 20 is connected with the rotary hoisting tool 14, and the other end of the steel wire hoisting rope bypasses the guide fixed pulley 15 and is connected with the hoisting machines.
A guide pulley 17 is further arranged between the hoisting mechanism 13 and the guide fixed pulley 15, and the guide pulley plays a supporting role in supporting the steel wire lifting rope 20. The guide fixed pulleys 15 are arranged on the two U-shaped crown block supports 11 through mounting seats and can transversely move along the U-shaped crown block supports 11. Hoisting mechanism 13 is still including fixed setting up regulation hydro-cylinder 16 on U type overhead traveling crane support 11, regulation hydro-cylinder 16 is used for adjusting direction fixed pulley 15 is followed U type overhead traveling crane support 11 lateral shifting. Thereby laterally adjusting the position of the pier joint assembly during hoisting.
And rotary hanger pulleys 19 are arranged on two sides of the rotary hanger 14, the steel wire lifting rope 20 bypasses the guide fixed pulley 15 downwards, and after bypassing the rotary hanger pulley 19, the steel wire lifting rope upwards is fixedly connected with the mounting seat of the guide fixed pulley 15, so that the rotary hanger pulley 19 plays a role of a movable pulley. A boom 18 is provided at the bottom of the rotary spreader 14 for connection to an abutment assembly.
Walk that shape mechanism 12 sets up and walk capable wheel 21, the drive in U type overhead traveling crane support 11 bottom walk capable wheel 21 pivoted driving motor 22, walk capable wheel 21 and set up the track cooperation on girder 2, walk the fixed driven gear 23 that is provided with in the road wheel 21 outside, driving motor 22 output be provided with driven gear 23 meshing's driving gear.
Fig. 7 is a schematic cross-sectional view of the assembled pier frame transporting all-in-one machine of the invention when passing through a tunnel. Considering that the transporting and erecting integrated machine needs to pass through a tunnel in the transporting and erecting construction process and is limited by the height of the tunnel, the transporting and erecting integrated machine needs to smoothly pass through the tunnel 300 after loading pier sections and pier caps, therefore, the main beams 2 are respectively arranged at two sides of the pier section transport vehicle 1, a space for placing pier components (including the pier sections 101 and the pier caps 102) to be assembled is reserved between the two main beams 2, and the U-shaped crown block supports 11 are adopted for the frames of the pier section hoisting crown blocks 4, which can be beneficial to ensuring that the whole transporting and erecting integrated machine loads the pier components, and the height of the transporting and erecting integrated machine can smoothly pass through the tunnel 300, so that the transporting and erecting integrated machine provided by the invention can be suitable for the working condition that the transporting and erecting integrated machine needs to pass through the tunnel.
Example 3
An assembly type bridge pier frame transporting method based on the assembly type bridge pier frame transporting integrated machine in the embodiment 1 comprises the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle 1 from front to back according to the installation sequence of all pier components of the spliced pier; the pier assembly comprises a plurality of pier segments 101 and a pier cap 102.
(2) The assembly type pier transporting and erecting integrated machine moves to a bridge head, the main beam supporting oil cylinder 6 extends out to be supported at the beam end of the erected box girder, and the pier section hoisting crane 4 sequentially hoists, moves forwards, falls and installs the pier section 101 of the assembly type pier to form a pier body of the assembly type pier.
(3) After all pier body sections are installed, the pier section hoisting crane 4 hoists, moves forwards and falls the pier cap 102 of the assembled pier to a proper position, rotates the pier cap 102 by 90 degrees and installs the pier cap on the pier body to complete the assembly of the whole pier;
(4) and the pier section hoisting overhead traveling crane 4 returns, and the assembly type pier transporting and erecting integrated machine returns to the prefabricating field.
In this embodiment, the main beam 2 cannot be folded, and therefore the folding operation of the main beam 2 is not included in the construction process. The traveling of the pier section hoisting crown block 4 on the main beam 2 is not affected, but the whole transporting and erecting integrated machine is inconvenient in the traveling process of transportation and returning because the length of the main beam 2 is long.
Example 4
An assembly type bridge pier frame transporting method based on the assembly type bridge pier frame transporting integrated machine in the embodiment 2 comprises the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle 1 from front to back according to the installation sequence of all pier components of the spliced pier; the pier component comprises a plurality of pier sections 101 and a pier cap 102; as shown in fig. 12, 13 and 14.
(2) The assembly type bridge pier transporting and erecting integrated machine moves to a bridge head, a main beam supporting oil cylinder 6 extends out to be supported at the beam end of the erected box girder, a foldable front cantilever main beam section 7 is unfolded through a swing oil cylinder mechanism 10 and is connected with a fixed main beam section 5 through a shear pin shaft 9; the main beam support oil cylinder 6 extends out and is supported at the end of the erected beam; as shown in fig. 15 and 16.
(3) As shown in fig. 17, the pier segment lifting crane 4 sequentially lifts, moves forward, falls and installs each pier segment 101 of the assembled pier to form a pier body of the assembled pier, and the guide fixed pulleys 15 on both sides can be synchronously adjusted by the adjusting cylinder 16 to move transversely in the falling and assembling process, so that the transverse position of the pier segment 101 can be adjusted, the pier segment lifting crane 4 can move longitudinally to adjust the longitudinal position of the pier segment 101, and the rotary hanger 14 can rotate and adjust the pier segment 101.
(4) As shown in fig. 18, after all pier body segments are installed, the pier segment lifting crane 4 lifts, moves forward and falls the pier cap portion 102 of the assembled pier to a proper position, and then rotates the pier cap portion 102 by 90 degrees and installs the pier cap portion on the pier body, thereby completing the assembly of the whole pier.
(5) As shown in fig. 19, the pier section hoisting crown block 4 retracts, the shear pin shaft 9 on the inner side of the main beam is pulled out, then the foldable front cantilever main beam section 7 is folded through the swing oil cylinder mechanism 10 until the foldable front cantilever main beam section 7 and the fixed main beam section 5 are fixed side by side, and the assembly type pier frame transporting and erecting integrated machine retracts to a prefabricating yard.
As can be understood by those skilled in the art, when the frame transporting and constructing machine for the assembled pier provided in embodiments 1 and 2 is used for transporting and constructing the assembled pier, when the height of the pier is higher, the number of pier sections is larger, if all pier sections and pier caps cannot be removed by one vehicle, a part of pier sections can be transported and assembled by the frame transporting and constructing machine, and then the frame transporting and constructing machine returns to transport and assemble the rest part until the whole pier is assembled. The attached figures 12 to 19 in the specification of the application are only schematic diagrams for completing all pier sections and pier cap carrying frames at one time.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a pin-connected panel pier fortune frame all-in-one which characterized in that: the device comprises a pier section transport vehicle (1), a main beam (2) and a pier section hoisting overhead crane (4);
the pier joint transport vehicle (1) is a multi-shaft tire type hydraulic transport flat vehicle;
the two main beams (2) are fixedly arranged on the pier section transport vehicle (1) in parallel, and the front ends of the main beams (2) extend out of the pier section transport vehicle (1) and are suspended on the pier section transport vehicle (1); a space for placing pier components to be assembled is reserved between the two main beams (2);
a main beam supporting oil cylinder (6) used for supporting the box girder is arranged at the front end of the main beam (2);
the pier section hoisting overhead traveling crane (4) can longitudinally travel and move along the track on the top surface of the main beam (2) and is used for hoisting and lowering pier components to be assembled;
pier section lift by crane overhead traveling crane (4) including two U type overhead traveling crane support (11), walking mechanism (12), hoisting mechanism (13) and rotatory hoist tool (14) of invering two U type overhead traveling crane support (11) parallel arrangement, its bottom is fixed to be provided with walks to walk mechanism (12), hoisting mechanism (13) is including fixed the setting the hoist engine of U type overhead traveling crane support (11) both sides, fixed setting are in direction fixed pulley (15) and steel wire lifting rope (20) at U type overhead traveling crane support (11) top, steel wire lifting rope (20) one end with rotatory hoist tool (14) are connected, and the other end is walked around direction fixed pulley (15) with the hoist engine is connected.
2. The assembling type bridge pier transporting and erecting integrated machine according to claim 1, wherein: the main beam (2) comprises two fixed main beam sections (5) fixedly arranged on the top surface of the pier section transport vehicle (1) and a foldable front cantilever main beam section (7) hinged to the front ends of the fixed main beam sections (5);
the main beam supporting oil cylinder (6) is arranged at the front end of the fixed main beam section (5);
the fixed main beam section (5) is hinged with the foldable front cantilever main beam section (7) through a shear pin shaft (9), and the fixed main beam section (5) and the foldable front cantilever main beam section (7) are folded through a swing oil cylinder mechanism (10).
3. The assembling type bridge pier transporting and erecting integrated machine according to claim 1, wherein: hoisting mechanism (13) are still including fixed setting up regulation hydro-cylinder (16) on U type overhead traveling crane support (11), regulation hydro-cylinder (16) are used for adjusting direction fixed pulley (15) are followed U type overhead traveling crane support (11) lateral shifting.
4. The assembling type bridge pier transporting and erecting integrated machine according to claim 1, wherein: the tail of the main beam (2) is provided with a balance weight (3).
5. The assembled pier transporting and erecting integrated machine according to claim 2, wherein: the fixed main beam section (5) is connected with the pier section transport vehicle (1) through a bolt connection cushion block (8).
6. A spliced pier transportation and support method based on the spliced pier transportation and support integrated machine of claim 1, which is characterized by comprising the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle (1) from front to back according to the installation sequence of all pier components of the spliced pier; the pier component comprises a plurality of pier sections (101) and a pier cap (102);
(2) the assembly type pier transporting and erecting integrated machine moves to a bridge head, extends out of a main beam supporting oil cylinder (6) and supports the main beam end, and then a pier section hoisting crown block (4) sequentially hoists, moves forwards, falls and installs a pier section (101) of the assembly type pier to form a pier body of the assembly type pier;
(3) after all pier body sections are installed, a pier section hoisting crane (4) hoists, moves forwards and falls a pier cap (102) of the assembled pier to a proper position, and then the pier cap (102) is rotated by 90 degrees and installed on the pier body to complete the assembly of the whole pier;
(4) the pier section hoisting overhead traveling crane (4) returns, and the assembly type pier frame transporting and transporting integrated machine returns to the prefabricating field.
7. A spliced pier transportation and support method based on the spliced pier transportation and support integrated machine as claimed in claim 2, which is characterized by comprising the following steps:
(1) sequentially placing and fixing all pier components on the top surface of the pier section transport vehicle (1) from front to back according to the installation sequence of all pier components of the spliced pier; the pier component comprises a plurality of pier sections (101) and a pier cap (102);
(2) the assembly type bridge pier transporting and erecting integrated machine runs to a bridge head, extends out of a main beam supporting oil cylinder (6) and supports the main beam at the erected beam end, then a foldable front cantilever main beam section (7) is unfolded through a swing oil cylinder mechanism (10) and is connected with a fixed main beam section (5) through a shear pin shaft (9);
(3) the pier section hoisting crown block (4) sequentially hoists, moves forwards, falls and installs each pier section (101) of the spliced pier to form a pier body of the spliced pier;
(4) after all pier body sections are installed, the pier section hoisting crane (4) hoists, moves forwards and falls the pier cap (102) part of the assembled pier to a proper position, and then rotates the pier cap (102) part by 90 degrees and installs the pier cap on the pier body to complete the assembly of the whole pier;
(5) the pier section hoisting overhead crane (4) returns, a shear pin shaft (9) positioned on the inner side of the main beam is pulled out, then the foldable front cantilever main beam section (7) is folded through the swing oil cylinder mechanism (10) until the foldable front cantilever main beam section (7) and the fixed main beam section (5) are fixed side by side, and the assembled pier transport and support integrated machine returns to a prefabricating field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246823.8A CN111472277B (en) | 2020-03-31 | 2020-03-31 | Assembled pier transporting and erecting integrated machine and assembled pier transporting and erecting method based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246823.8A CN111472277B (en) | 2020-03-31 | 2020-03-31 | Assembled pier transporting and erecting integrated machine and assembled pier transporting and erecting method based on same |
Publications (2)
| Publication Number | Publication Date |
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| CN111472277A CN111472277A (en) | 2020-07-31 |
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