Ultra-long and super-large steel bar skeleton processing device, hoisting device and hoisting method

Abstract

The present invention discloses a processing device for an ultra-long and ultra-large steel bar framework, which comprises two rows of corresponding vertical rods arranged front and back, and each row of vertical rods includes multiple vertical rods; the upper, middle and bottom parts of each row of vertical rods are respectively connected with upper, middle and lower horizontal connecting rods; the upper, middle and lower horizontal connecting rods are fixedly connected with each vertical rod in this row of vertical rods; several distribution beams for evenly distributing the lifting force are arranged between the upper horizontal connecting rods of the front and back two rows of basic structures, and the distribution beams are placed on the top of the upper horizontal connecting rods. The present invention also discloses a corresponding hoisting device and a hoisting method, which include steps such as fabricating the steel bar framework, installing the formwork support, clearing the site, hoisting, lowering the guide and inserting into the groove. By adopting the technical scheme of the present invention, the working efficiency is improved, the potential safety hazards are reduced, the local or overall deformation of the ultra-long and ultra-large steel bar framework during hoisting is avoided, the installation position is ensured to be very accurate, and the hoisting quality is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of construction technologies, especially the hoisting technology for large steel bar skeletons. Background Art

[0002] The prefabricated and assembled bridge pier top cross beam can effectively connect multiple box chambers into a whole, and at the same time play the role of assembling the 0# block of the bridge segment. It has a large number of steel bar types, large quantity, dense spacing, and gives way to prestressed steel bars. Moreover, it has a large amount of concrete and a complex shape, making the construction process extremely troublesome. If the steel bar skeleton is bound and fabricated in place at the designed height position of the structure, due to the high-altitude factor, the construction is even more troublesome, the efficiency is difficult to improve, the quality cannot be guaranteed, and there are great potential safety hazards in construction. If it is prefabricated in the factory and then transported, it is also very inconvenient because of its large volume and long distance.

[0003] If the steel bar skeleton is bound and fabricated on the original ground near the designed position of the structure, compared with the conventional method of prefabricating and transporting the steel bar skeleton or binding and fabricating the steel bar skeleton at the target position where the steel bar skeleton is installed, it will be much more convenient, the construction efficiency will be significantly improved, and the potential safety hazards will be reduced. However, when the constructed steel bar skeleton is hoisted to the designed position, due to factors such as the self-weight of the steel bars, flexibility, and the connection firmness of the binding points, the traditional hoisting method will cause the large steel bar skeleton to deform after being hoisted, and then the steel bars will shift or even fall off. The deformation of the steel bar skeleton after being hoisted will also lead to difficulties in installation and positioning, and it is also very difficult to adjust the deviation. Generally, a steel bar skeleton over 10 meters is considered an extra-long and extra-large steel bar skeleton. To solve the above problems, this patent is developed, including an extra-long and extra-large steel bar skeleton processing device, a hoisting device, and a hoisting method. Summary of the Invention

[0004] The purpose of the present invention is to provide an extra-long and extra-large steel bar skeleton processing device, which can facilitate the processing and fabrication of the steel bar skeleton, and at the same time can protect the extra-long and extra-large steel bar skeleton from uniform stress and deformation during hoisting.

[0005] To achieve the above purpose, the extra-long and extra-large steel bar skeleton processing device of the present invention includes two rows of corresponding vertical rods arranged front and back. Each row of vertical rods includes multiple vertical rods. The distance between adjacent vertical rods in each row is 2 ± 0.1 meters, and the total length of each row of vertical rods is greater than or equal to the length of the steel bar skeleton to be fabricated; the height of each vertical rod is 0.5 ± 0.1 meters higher than the designed height of the extra-long and extra-large steel bar skeleton to be fabricated;

[0006] The upper part, middle part, and bottom end of each row of vertical rods are respectively connected with an upper horizontal connecting rod, a middle horizontal connecting rod, and a lower horizontal connecting rod; the upper horizontal connecting rod, the middle horizontal connecting rod, and the lower horizontal connecting rod are all fixedly connected to each vertical rod in this row; the upper horizontal connecting rod is lower than the top end of each vertical rod;

[0007] The vertical rods in the front row and the corresponding upper horizontal connecting rods, middle horizontal connecting rods and lower horizontal connecting rods form the front row basic structure, and the vertical rods in the rear row and the corresponding upper horizontal connecting rods, middle horizontal connecting rods and lower horizontal connecting rods form the rear row basic structure;

[0008] The two vertical rods at both ends of each row of vertical rods are end vertical rods, and the remaining vertical rods of each row of vertical rods are middle vertical rods;

[0009] A number of distribution beams for evenly distributing the lifting force are provided between the upper horizontal connecting rods of the front row basic structure and the rear row basic structure. The distribution beams are arranged in one-to-one correspondence with the middle vertical rods of each row of vertical rods. The distribution beams are placed on the top of the upper horizontal connecting rods, and the top ends of the distribution beams are flush with the top ends of the vertical rods.

[0010] It also includes a number of diagonal braces connected end to end, and the diagonal braces connected end to end are arranged along the entire length of the ultra-long and ultra-large steel bar skeleton processing device; one end of each diagonal brace is connected to the bottom end of a vertical rod and the other end is connected to the intersection of another vertical rod and the upper horizontal connecting rod; there are two to three vertical rods between the two vertical rods connected by each diagonal brace.

[0011] On the front and rear sides of the ultra-long and ultra-large steel bar skeleton processing device, a number of triangular diagonal brace structures are respectively arranged at intervals. The triangular diagonal brace structure includes a horizontally arranged bottom rod and an obliquely arranged diagonal rod. One end of the bottom rod is connected to the bottom end of the vertical rod or the lower horizontal connecting rod, the other end of the bottom rod is connected to the bottom end of the diagonal rod, and the upper end of the diagonal rod is connected to the upper horizontal connecting rod or the vertical rod at the upper horizontal connecting rod.

[0012] Fixing rods are connected between adjacent distribution beams.

[0013] The present invention also discloses a hoisting device used in cooperation with the above-mentioned ultra-long and ultra-large steel bar skeleton processing device, including a crawler crane, a main hoisting rope, a main hoisting beam and sub-hoisting ropes. The middle of the main hoisting rope is hung on the hook of the crawler crane, and the two ends of the main hoisting rope are respectively connected to the middle left part and the middle right part of the main hoisting beam downward;

[0014] The sub-hoisting ropes are evenly distributed along the length direction of the main hoisting beam at the lower part of the main hoisting beam. The middle of the sub-hoisting ropes is connected to the lower part of the main hoisting beam, and the two ends of the sub-hoisting ropes are used to connect to the front middle part and the rear middle part of the distribution beam downward;

[0015] The crawler crane, the main hoisting rope, the main hoisting beam and the sub-hoisting ropes connected thereto form a set of hoisting mechanisms. There are two sets of hoisting mechanisms. The total number of sub-hoisting ropes of each hoisting mechanism is the same as the total number of distribution beams, and the sub-hoisting ropes are arranged in one-to-one correspondence with the distribution beams.

[0016] Each of the distribution beams extends forward and backward beyond the ultra-long and ultra-large steel bar skeleton processing device. Guide sliding rods are respectively fixedly connected downward at the front and rear ends of one-fourth to one-third of the distribution beams. The distance between adjacent guide sliding rods is the same, and each guide sliding rod is arranged in the vertical direction.

[0017] The present invention also discloses a hoisting method using the above-mentioned ultra-long and ultra-large steel bar skeleton processing device and the above-mentioned hoisting device for hoisting an ultra-long and ultra-large steel bar skeleton, which is carried out according to the following steps:

[0018] The first step is to fabricate the steel bar skeleton; the first step is carried out on the ground near the pier where the ultra-long and ultra-large steel bar skeleton is to be installed;

[0019] Using the ultra-long and ultra-large steel bar skeleton processing device as a support, bind the steel bar skeleton, and bind the upper main steel bars of the steel bar skeleton on the top of the distribution beam as the upper main steel bars of the cross beam at the top of the bridge pier;

[0020] Fix and connect cushion blocks at the bottom and side of the ultra-long and ultra-large steel bar skeleton;

[0021] The second step is to install the formwork support, and the second step is carried out regardless of the sequence with the first step;

[0022] Specifically, in the second step, a formwork support is set at the target position where the ultra-long and ultra-large steel bar skeleton is to be installed, and the formwork support is located on the pier where the ultra-long and ultra-large steel bar skeleton is to be installed;

[0023] There are two rows of upward-opening guide grooves on the formwork support, and the guide grooves are adapted to and arranged in one-to-one correspondence with the guide slide bars. When the guide slide bars are inserted into the formwork support through the guide grooves, the ultra-long and ultra-large steel bar skeleton is located at the target position inside the formwork support;

[0024] The third step is to clear the site to prevent personnel unrelated to the construction from entering the hoisting site;

[0025] Configure safety officers and management personnel of the project department at the hoisting site to ensure that the drivers of the two crawler cranes and the hoisting commanders have complete certificates;

[0026] The fourth step is the hoisting step, and the third step is carried out after the first step and the second step are completed;

[0027] Drive the two crawler cranes to the vicinity of the pier where the ultra-long and ultra-large steel bar skeleton processing device is installed; the two crawler cranes are respectively located on both sides of the length direction of the position where the ultra-long and ultra-large steel bar skeleton is to be installed;

[0028] Each hoisting mechanism corresponds to one crawler crane. Hang the main hoisting ropes of the hoisting mechanisms on the hooks of the corresponding crawler cranes one by one, and the sub-hoisting ropes correspond to the distribution beams one by one; use lifting rings and steel wires to firmly connect the distribution beam and the upper main steel bars;

[0029] Connect the two ends of each sub-hoisting rope to the front middle part and the rear middle part of the corresponding distribution beam respectively;

[0030] Under the command of the hoisting conductor, the drivers of the two crawler cranes operate the hoisting and lifting mechanism of the crawler crane. The hoisting force acts evenly on the upper main reinforcement through the sub-hoisting ropes and the distribution beam, and the entire extra-long and extra-large steel bar framework is lifted through the upper main reinforcement.

[0031] Under the command of the hoisting conductor, the drivers of the two crawler cranes operate the crawler crane to position the extra-long and extra-large steel bar framework above the installation position, and adjust the position of the extra-long and extra-large steel bar framework to make it directly face the target position inside the formwork support.

[0032] The fifth step is the lowering and guiding step.

[0033] Specifically, in the fifth step: under the command of the hoisting conductor, the drivers of the two crawler cranes operate the crawler crane to slowly lower the extra-long and extra-large steel bar framework. During the lowering process, the hoisting conductor observes and adjusts the position of the guiding slide bar at all times to ensure that each guiding slide bar is always above the corresponding guiding groove; stop lowering the extra-long and extra-large steel bar framework when each guiding slide bar descends to 5 ± 1 cm above each guiding groove.

[0034] The sixth step is the slotting step.

[0035] Use a manual chain hoist to adjust the position of the extra-long and extra-large steel bar framework to accurately align each guiding slide bar with the corresponding guiding groove; slowly lower the extra-long and extra-large steel bar framework so that each guiding slide bar enters the corresponding guiding groove, and make the extra-long and extra-large steel bar framework slowly fall into the formwork support to complete the hoisting operation.

[0036] The present invention has the following advantages:

[0037] The processing device for the extra-long and extra-large steel bar framework of the present invention has a simple structure, which is convenient for manufacturing the extra-long and extra-large steel bar framework. The structure is firm and not easy to deform, and it can be stably supported on the ground, which is convenient for setting the distribution beam on the extra-long and extra-large steel bar framework and separating from the extra-long and extra-large steel bar framework during hoisting.

[0038] The hoisting device of the present invention is used in cooperation with the processing device for the extra-long and extra-large steel bar framework, and can evenly distribute the hoisting force through the sub-hoisting ropes to prevent the extra-long and extra-large steel bar framework being hoisted from deforming during hoisting. Installing guiding slide bars at both ends of the distribution beam and setting guiding grooves on the formwork support are both for ensuring the hoisting accuracy. The guiding slide bars and the guiding grooves are used in cooperation to make the installation position of the extra-long and extra-large steel bar framework very accurate and improve the construction quality.

[0039] The setting of the diagonal braces strengthens the structural strength of the processing device for the extra-long and extra-large steel bar framework, making the whole processing device not easy to deform.

[0040] The triangular bracing structure can make the processing device for extra-long and extra-large steel bar skeletons support more stably on the ground, preventing the processing device for extra-long and extra-large steel bar skeletons from tipping over under stress.

[0041] The fixing rod is preferably made of channel steel or section steel. The function of the fixing rod is to ensure that the distance between the distribution beams remains unchanged, prevent the displacement of the guiding slide rods connected to both ends of the distribution beams, and prevent installation errors or difficult installation caused thereby.

[0042] By adopting the hoisting method of the present invention, since the extra-long and extra-large steel bar skeletons are bound and fabricated near the bridge pier, it is much more convenient compared with the conventional method of prefabricating and transporting the steel bar skeletons or binding and fabricating the steel bar skeletons at the target position for installing the steel bar skeletons. The construction efficiency will be significantly improved and the potential safety hazards will be reduced. At the same time, through the cooperation of the processing device for extra-long and extra-large steel bar skeletons, the hoisting device and the hoisting method, it can be ensured that the extra-long and extra-large steel bar skeletons are very evenly stressed during the hoisting process, and the distribution beams rather than the constituent steel bars of the conventional steel bar skeletons directly receive the hoisting force. This not only avoids the deformation of the stress points of the steel bars, but also prevents the overall deformation of the entire steel bar skeleton. Of course, the hoisting method of the present invention ensures the very accurate hoisting position of the extra-long and extra-large steel bar skeletons through means such as first fast and then slow, precisely adjusting the position of the extra-long and extra-large steel bar skeletons by using manual chain hoists, and accurately positioning through guiding slide rods and guiding grooves.

[0043] In summary, by adopting the technical solution of the present invention, the work efficiency is improved, the potential safety hazards are reduced, the local or overall deformation of the extra-long and extra-large steel bar skeletons during hoisting is avoided, the installation position is ensured to be very accurate, and the hoisting quality is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 is a schematic structural diagram of the processing device for extra-long and extra-large steel bar skeletons;

[0045] Figure 2 is Figure 1 the left view schematic diagram of

[0046] Figure 3 is a schematic structural diagram of the hoisting device;

[0047] Figure 4 is Figure 3 the left view schematic diagram of

[0048] Figure 5 is a hoisting schematic diagram when the guiding slide rod is inserted into the formwork support through the guiding groove;

[0049] Figure 6 is Figure 5 the enlarged view of part A in

[0050] Figure 7It is a schematic structural diagram when hoisting an extra-long and extra-large steel bar skeleton to a formwork support;

[0051] Figure 8 It is Figure 1 an enlarged view of part B in Specific implementation method

[0052] As Figures 1 to 8 shown, the extra-long and extra-large steel bar skeleton processing device of the present invention includes two rows of corresponding vertical poles arranged front and back. Each row of vertical poles includes multiple vertical poles 1. The distance between adjacent vertical poles 1 in each row of vertical poles is 2 ± 0.1 meters, and the total length of each row of vertical poles is greater than or equal to the length of the steel bar skeleton to be fabricated; the vertical poles 1 can be made of channel steel or different types of section steel to increase the structural stiffness. The height of each vertical pole 1 is 0.5 ± 0.1 meters greater than the designed height of the extra-long and extra-large steel bar skeleton 20 to be fabricated;

[0053] The upper part, middle part, and bottom end of each row of vertical poles are respectively connected with an upper horizontal connecting rod 2, a middle horizontal connecting rod 3, and a lower horizontal connecting rod 4; the upper horizontal connecting rod 2, the middle horizontal connecting rod 3, and the lower horizontal connecting rod 4 are all fixedly connected (such as welded) to each vertical pole 1 in this row of vertical poles; the upper horizontal connecting rod 2 is 16 cm lower than the top end of each vertical pole 1;

[0054] The vertical poles 1 in the front row and the corresponding upper horizontal connecting rod 2, middle horizontal connecting rod 3, and lower horizontal connecting rod 4 form a front row basic structure 5, and the vertical poles 1 in the back row and the corresponding upper horizontal connecting rod 2, middle horizontal connecting rod 3, and lower horizontal connecting rod 4 form a back row basic structure 6;

[0055] The two vertical poles 1 at both ends of each row of vertical poles are end vertical poles, and the remaining vertical poles 1 in each row of vertical poles are middle vertical poles;

[0056] There are several distribution beams 7 (the distribution beams 7 are preferably made of 16# I-beams) for evenly distributing the lifting force between the upper horizontal connecting rods 2 of the front row basic structure 5 and the back row basic structure 6. The distribution beams 7 are arranged in one-to-one correspondence with the middle vertical poles of each row of vertical poles. The distribution beams 7 are placed on the top of the upper horizontal connecting rods 2, and the top ends of the distribution beams 7 are flush with the top ends of the vertical poles 1.

[0057] It also includes several diagonal braces 8 connected end to end. The diagonal braces 8 connected end to end are arranged along the entire length of the extra-long and extra-large steel bar skeleton processing device; one end of each diagonal brace 8 is connected to the bottom end of a vertical pole 1 and the other end is connected to the intersection of another vertical pole 1 and the upper horizontal connecting rod 2; there are two to three vertical poles 1 between the two vertical poles 1 connected by each diagonal brace 8.

[0058] The setting of the diagonal braces 8 strengthens the structural strength of the extra-long and extra-large steel bar skeleton processing device, making the extra-long and extra-large steel bar skeleton processing device not easily deformed as a whole.

[0059] On the front and back sides of the processing device for extra-long and extra-large steel bar skeletons, a number of triangular diagonal bracing structures are provided at intervals. The triangular diagonal bracing structure includes a horizontally arranged bottom bar 9 and an inclined bar 10. One end of the bottom bar 9 is connected to the bottom end of the vertical bar 1 or the lower horizontal connecting rod 4, the other end of the bottom bar 9 is connected to the bottom end of the inclined bar 10, and the upper end of the inclined bar 10 is connected to the upper horizontal connecting rod 2 or the vertical bar 1 at the upper horizontal connecting rod 2.

[0060] The triangular diagonal bracing structure can enable the processing device for extra-long and extra-large steel bar skeletons to be more stably supported on the ground and prevent the processing device for extra-long and extra-large steel bar skeletons from tipping over under force.

[0061] A fixing rod 15 is connected between adjacent distribution beams 7. The fixing rod 15 is preferably made of channel steel or section steel.

[0062] The fixing rod 15 is preferably made of channel steel or section steel. The function of the fixing rod 15 is to ensure that the distance between the distribution beams 7 remains unchanged, prevent the displacement of the guide slide rods connected to both ends of the distribution beams 7, and prevent installation errors or difficult installation caused thereby.

[0063] The present invention also discloses a hoisting device used in cooperation with the processing device for extra-long and extra-large steel bar skeletons, including a crawler crane, a main hoisting rope 11, a main hoisting beam 12 (the main hoisting beam 12 is preferably made by assembling and welding 2 pieces of 40b I-beams), and a sub-hoisting rope 13. The middle part of the main hoisting rope 11 is hung on the hook 14 of the crawler crane, and both ends of the main hoisting rope 11 are respectively connected to the left middle part and the right middle part of the main hoisting beam 12 downward; the crawler crane is a conventional technology and is not shown in the figure. Both the main hoisting rope 11 and the sub-hoisting rope 13 are made of steel wire ropes.

[0064] The sub-hoisting ropes 13 are evenly distributed along the length direction of the main hoisting beam 12 at the lower part of the main hoisting beam 12. The middle part of the sub-hoisting rope 13 is connected to the lower part of the main hoisting beam 12, and both ends of the sub-hoisting rope 13 are used to be connected to the front middle part and the rear middle part of the distribution beam 7 downward;

[0065] The crawler crane, the main hoisting rope 11, the main hoisting beam 12 and the sub-hoisting ropes 13 connected thereto form a set of hoisting mechanisms. There are two sets of hoisting mechanisms. The total number of the sub-hoisting ropes 13 of each hoisting mechanism is the same as the total number of the distribution beams 7, and the sub-hoisting ropes 13 and the distribution beams 7 are arranged in one-to-one correspondence.

[0066] Each of the distribution beams 7 extends forward and backward beyond the processing device for extra-long and extra-large steel bar skeletons. Guide slide rods 16 are respectively fixedly connected downward at the front and rear ends of one-fourth to one-third of the distribution beams 7. The guide slide rods 16 are preferably made of round steel with a diameter of 4 cm. In this embodiment, the guide slide rods 16 are 3 m long. The distance between adjacent guide slide rods 16 is the same, and each guide slide rod 16 is arranged in the vertical direction. The perpendicularity of each guide slide rod 16 does not exceed 3 mm.

[0067] The present invention also discloses a hoisting method using the above-mentioned ultra-long and ultra-large steel bar skeleton processing device and the above-mentioned hoisting device, which is carried out according to the following steps:

[0068] The first step is to fabricate the steel bar skeleton; the first step is carried out on the ground near the pier where the ultra-long and ultra-large steel bar skeleton 20 is installed (such as near the 0# block of the bridge segment assembly).

[0069] Using the ultra-long and ultra-large steel bar skeleton processing device as a support, bind the ultra-long and ultra-large steel bar skeleton, and bind the upper main steel bars 17 of the steel bar skeleton on the top of the distribution beam 7 as the upper main steel bars of the bridge pier top cross beam.

[0070] Fix connection pads at the bottom and side of the ultra-long and ultra-large steel bar skeleton 20, so as to ensure that the protective layer thickness after the ultra-long and ultra-large steel bar skeleton 20 is put into the mold meets the requirements of the construction specifications; the pads are conventional techniques and are not shown in the figure.

[0071] The second step is to install the formwork support 18, and the second step is carried out regardless of the order before or after the first step.

[0072] Specifically, the second step is to set up the formwork support 18 at the target position where the ultra-long and ultra-large steel bar skeleton 20 is installed, and the formwork support 18 is located on the pier where the ultra-long and ultra-large steel bar skeleton 20 is installed.

[0073] There are two rows of upward-opening guide grooves 19 on the formwork support 18, and the guide grooves 19 are adapted to and arranged in one-to-one correspondence with the guide slide bars 16 (the number and spacing of the guide grooves 19 are the same as the number and spacing of the guide slide bars 16). When the guide slide bars are inserted into the formwork support through the guide grooves, the ultra-long and ultra-large steel bar skeleton 20 is located at the target position inside the formwork support 18.

[0074] The third step is to clear the site to prevent personnel unrelated to the construction from entering the hoisting site.

[0075] Configure safety officers and management personnel of the project department at the hoisting site to ensure that the drivers of the two crawler cranes and the hoisting commanders have complete certificates.

[0076] The fourth step is the hoisting step, and the third step is carried out after the first step and the second step are completed.

[0077] Drive the two large-tonnage crawler cranes to the vicinity of the pier where the ultra-long and ultra-large steel bar skeleton processing device is installed; the two crawler cranes are respectively located on both sides of the length direction of the position where the ultra-long and ultra-large steel bar skeleton 20 is to be installed.

[0078] Each hoisting mechanism corresponds to one crawler crane. Hang the main hoisting ropes 11 of the hoisting mechanism on the hooks 14 of the corresponding crawler crane one by one, and the sub-hoisting ropes 13 correspond to the distribution beams 7 one by one; use lifting rings and steel wires to firmly connect the distribution beam 7 and the upper main steel bars 17.

[0079] Connect the two ends of each sub-lifting rope 13 to the front middle part and the rear middle part of the corresponding distribution beam 7 respectively (that is, one end of the sub-lifting rope 13 is connected to the front middle part of the corresponding distribution beam 7, and the other end is connected to the rear middle part of the corresponding distribution beam 7);

[0080] The drivers of the two crawler cranes, under the command of the hoisting commander, lift the hoisting mechanism of the crawler crane. The hoisting force acts evenly on the upper main reinforcement 17 through the sub-lifting rope 13 and the distribution beam 7, and the entire extra-long and extra-large steel bar skeleton 20 is lifted through the upper main reinforcement 17;

[0081] The drivers of the two crawler cranes, under the command of the hoisting commander, operate the crawler crane to position the extra-long and extra-large steel bar skeleton 20 above the installation position, and adjust the position of the extra-long and extra-large steel bar skeleton 20 to make the extra-long and extra-large steel bar skeleton 20 directly face the target position inside the formwork support 18;

[0082] The fifth step is the lowering and guiding step;

[0083] The fifth step is specifically: the drivers of the two crawler cranes, under the command of the hoisting commander, operate the crawler crane to slowly lower the extra-long and extra-large steel bar skeleton 20. During the lowering process, the hoisting commander observes and adjusts the position of the guiding slide bar 16 at all times to ensure that each guiding slide bar 16 is always above the corresponding guiding groove 19; stop lowering the extra-long and extra-large steel bar skeleton 20 when each guiding slide bar 16 drops to 5 ± 1 cm above each guiding groove 19;

[0084] The sixth step is the slotting step;

[0085] Use a manual chain hoist to adjust the position of the extra-long and extra-large steel bar skeleton 20 to accurately align each guiding slide bar 16 with the corresponding guiding groove 19; slowly lower the extra-long and extra-large steel bar skeleton 20 (the lowering distance per second is less than or equal to 1 cm) to make each guiding slide bar 16 enter the corresponding guiding groove 19, and make the extra-long and extra-large steel bar skeleton 20 slowly fall into the formwork support 18 to complete the hoisting operation.

[0086] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be modified or equivalently replaced, and any modification or partial replacement without departing from the spirit and scope of the present invention should be covered by the scope of the claims of the present invention.

Claims

1. Ultra-long and extra-large steel bar skeleton processing device, Characterized in that: It includes two rows of vertical rods arranged correspondingly in the front and back. Each row of vertical rods includes multiple vertical rods. The distance between adjacent vertical rods in each row of vertical rods is 2 ± 0.1 meters, and the total length of each row of vertical rods is greater than or equal to the length of the steel bar skeleton to be fabricated; the height of each vertical rod is 0.5 ± 0.1 meters higher than the designed height of the ultra-long and extra-large steel bar skeleton to be fabricated; The upper part, middle part and bottom end of each row of vertical rods are respectively connected with an upper horizontal connecting rod, a middle horizontal connecting rod and a lower horizontal connecting rod; the upper horizontal connecting rod, the middle horizontal connecting rod and the lower horizontal connecting rod are all fixedly connected with each vertical rod in this row of vertical rods; the upper horizontal connecting rod is lower than the top ends of each vertical rod; The vertical rods in the front row and the corresponding upper horizontal connecting rod, middle horizontal connecting rod and lower horizontal connecting rod form the front row basic structure, and the vertical rods in the back row and the corresponding upper horizontal connecting rod, middle horizontal connecting rod and lower horizontal connecting rod form the back row basic structure; The two vertical rods at both ends of each row of vertical rods are end vertical rods, and the remaining vertical rods in each row of vertical rods are middle vertical rods; There are several distribution beams for evenly distributing the lifting force between the upper horizontal connecting rods of the front row basic structure and the back row basic structure. The distribution beams are arranged in one-to-one correspondence with the middle vertical rods of each row of vertical rods. The distribution beams are placed on the top of the upper horizontal connecting rods, and the top ends of the distribution beams are flush with the top ends of the vertical rods; It includes a crawler crane, a main lifting rope, a main lifting beam and a sub-lifting rope. The middle part of the main lifting rope is hung on the hook of the crawler crane, and the two ends of the main lifting rope are respectively connected to the left middle part and the right middle part of the main lifting beam downward; The sub-lifting ropes are evenly distributed along the length direction of the main lifting beam at the lower part of the main lifting beam. The middle part of the sub-lifting rope is connected to the lower part of the main lifting beam, and the two ends of the sub-lifting rope are used to connect to the front middle part and the back middle part of the distribution beam downward; The crawler crane, the main lifting rope, the main lifting beam and the sub-lifting ropes connected thereto form a set of lifting mechanisms. There are two sets of lifting mechanisms. The total number of sub-lifting ropes of each lifting mechanism is the same as the total number of distribution beams, and the sub-lifting ropes are arranged in one-to-one correspondence with the distribution beams; Each of the distribution beams extends forward and backward out of the ultra-long and extra-large steel bar skeleton processing device. Guide slide bars are respectively fixedly connected downward at the front and back ends of one-fourth to one-third of the distribution beams. The distance between adjacent guide slide bars is the same, and each guide slide bar is arranged in the vertical direction.

2. The ultra-long and extra-large steel bar skeleton processing device according to claim 1, Characterized in that: It further includes a number of obliquely braced members connected end to end, and the obliquely braced members connected end to end are arranged along the full length of the ultra-long and extra-large steel bar skeleton processing device; one end of each obliquely braced member is connected to the bottom end of a vertical rod and the other end is connected to the intersection of another vertical rod and the upper horizontal connecting rod; there are two to three vertical rods between the two vertical rods connected by each obliquely braced member.

3. The ultra-long and extra-large steel bar skeleton processing device according to claim 2, Characterized in that: On the front and back sides of the ultra-long and extra-large steel bar skeleton processing device, a number of triangular oblique bracing structures are respectively arranged at intervals. The triangular oblique bracing structure includes a horizontally arranged bottom rod and an obliquely arranged diagonal rod. One end of the bottom rod is connected to the bottom end of the vertical rod or the lower horizontal connecting rod, the other end of the bottom rod is connected to the bottom end of the diagonal rod, and the upper end of the diagonal rod is connected to the upper horizontal connecting rod or the vertical rod at the upper horizontal connecting rod.

4. The ultra-long and ultra-large steel bar framework processing device according to any one of claims 1 to 3, characterized in that: There is a fixed rod connected between adjacent distribution beams.

5. A hoisting method using the ultra-long and ultra-large steel bar framework processing device described in claim 4, characterized in that It is carried out according to the following steps: The first step is to fabricate the steel bar framework; the first step is carried out on the ground near the pier where the ultra-long and ultra-large steel bar framework is installed; Using the ultra-long and ultra-large steel bar framework processing device as a support, bind the steel bar framework, and bind the upper main steel bars of the steel bar framework on the top of the distribution beam as the upper main steel bars of the bridge pier top cross beam; Fix and connect cushion blocks at the bottom and side of the ultra-long and ultra-large steel bar framework; The second step is to install the formwork support, and the second step is carried out regardless of the sequence with the first step; Specifically, the second step is to set up the formwork support at the target position where the ultra-long and ultra-large steel bar framework is installed, and the formwork support is located on the pier where the ultra-long and ultra-large steel bar framework is installed; There are two rows of upward-opening guiding grooves on the formwork support, and the guiding grooves are adapted to and arranged in one-to-one correspondence with the guiding slide bars. When the guiding slide bars are inserted into the formwork support through the guiding grooves, the ultra-long and ultra-large steel bar framework is located at the target position inside the formwork support; The third step is to clear the site to prevent personnel unrelated to the construction from entering the hoisting site; Configure safety officers and management personnel of the project department at the hoisting site to ensure that the drivers of the two crawler cranes and the hoisting commanders have complete certificates; The fourth step is the hoisting step, and the third step is carried out after the first step and the second step are completed; Make the two crawler cranes drive to the vicinity of the pier where the ultra-long and ultra-large steel bar framework processing device is installed; the two crawler cranes are respectively located on both sides of the length direction of the position where the ultra-long and ultra-large steel bar framework is to be installed; Each hoisting mechanism corresponds to one crawler crane, and the main hoisting ropes of the hoisting mechanism are respectively hung on the hooks of the corresponding crawler cranes in one-to-one correspondence, and the sub-hoisting ropes correspond to the distribution beams one by one; use lifting rings and steel wire ropes to firmly connect the distribution beams and the upper main steel bars; Connect the two ends of each sub-hoisting rope to the front middle part and the rear middle part of the corresponding distribution beam respectively; Under the command of the hoisting commander, the drivers of the two crawler cranes lift the hoisting mechanism of the crawler crane, and the hoisting force acts evenly on the upper main steel bars through the sub-hoisting ropes and the distribution beams, and the entire ultra-long and ultra-large steel bar framework is lifted through the upper main steel bars; Under the command of the hoisting commander, the drivers of the two crawler cranes operate the crawler cranes to make the ultra-long and ultra-large steel bar framework located above the position to be installed, and adjust the position of the ultra-long and ultra-large steel bar framework to make the ultra-long and ultra-large steel bar framework directly face the target position inside the formwork support; The fifth step is the lowering and guiding step; Specifically, the fifth step is: under the command of the hoisting commander, the drivers of the two crawler cranes operate the crawler cranes to slowly lower the ultra-long and ultra-large steel bar framework. During the lowering process, the hoisting commander observes and adjusts the position of the guiding slide bars at all times to ensure that each guiding slide bar is always located above the corresponding guiding groove; stop lowering the ultra-long and ultra-large steel bar framework when each guiding slide bar descends to 5 ± 1 cm above each guiding groove; The sixth step is the slotting step; Use a manual chain hoist to adjust the position of the ultra-long and ultra-large steel bar cage so that each guiding slide bar accurately aligns with the corresponding guiding groove; slowly lower the ultra-long and ultra-large steel bar cage so that each guiding slide bar enters the corresponding guiding groove, and make the ultra-long and ultra-large steel bar cage slowly fall into the formwork support to complete the hoisting operation.

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