Platform installation method for butt joint of upper portion and lower portion of tower body

Abstract

The invention provides a platform installation method for butt joint of the upper portion and the lower portion of a tower body, and the method comprises the steps that two first racks and two second racks which are assembled are hoisted to the four sides of a butt joint station, and then the distance between the first racks and the butt joint position of the tower body and the distance between the second racks and the butt joint position of the tower body are adjusted according to the size of the tower body; and then the two first racks and the two second racks are connected into a whole through the connecting pieces and the connecting plates, so that operation is conducted on the tower body, the time consumed for building is shortened, after the tower body is in butt joint, the two first racks and the two second racks are detached and moved to another butt joint station, and then the tower body is subjected to butt joint. The distance between the first rack and the butt joint position of the tower body and the distance between the second rack and the butt joint position of the tower body are adjusted again, the tower bodies do not need to be built again according to the different sizes of the tower bodies, and therefore operation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of crane tower bodies, and in particular to a method for installing a platform with upper and lower parts of a tower body butted against each other. Background Art

[0002] The tower body is a very critical component of the offshore platform crane, and the manufacturing method of the tower body includes assembling and closing the front section of the tower body shell and the rear section of the tower body shell, and then installing the crane's lifting mechanism, electrical system and hydraulic outfitting system inside the tower body, wherein the lifting mechanism includes an auxiliary lifting drum, two vertically arranged main lifting drums, a first motor for driving the auxiliary lifting drum and a second motor for driving the two main lifting drums. However, when installing the lifting mechanism, the electrical system and the hydraulic outfitting system, due to the small internal space of the tower body, it is very difficult to install the lifting mechanism, the electrical system and the hydraulic outfitting system, which brings inconvenience to the tower body manufacturing.

[0003] To solve this technical problem, a patent document with Chinese patent number 201710762895.6 and announcement date 2019.07.19 discloses a method for manufacturing a tower body of an offshore platform crane, the manufacturing method comprising: sequentially arranging the tower body shell of the offshore platform crane along the length direction to include: a tower body top, a tower body middle part, a tower body lower part and a tower body bottom plate, the tower body middle part includes: a tower body middle part front shell and a tower body middle part rear shell, the tower body lower part includes: a tower body lower part front shell and a tower body lower part rear shell, the tower body lower part is used to accommodate a lifting mechanism of the offshore platform crane; welding tower body bottom plate accessories on the tower body bottom plate to form a tower body bottom plate assembly.

[0004] The above document describes the process of how to manufacture the tower body, thereby simplifying the manufacturing process, but does not explain the use of specific auxiliary tools. Since the tower body needs to be divided into different parts during the manufacturing process, when the different parts are connected, the existing technology is to build a scaffolding, and then the workers work on the scaffolding. In this way, when each tower body is connected, it is necessary to build a scaffolding separately, which takes a long time to build and affects the efficiency of the construction work. At the same time, since multiple scaffoldings cannot ensure the reliability of the entire connection when overlapping, and cannot ensure that the multiple scaffoldings are accurately located around the tower body, the accuracy of maintenance cannot be ensured. Summary of the invention The purpose of the present invention is to provide a method for installing a platform for connecting the upper and lower parts of a tower body, which can be quickly built on the four sides of the tower body and the spacing can be reliably adjusted according to tower bodies of different sizes. The method is reliable and time-saving.

[0005] To achieve the above purpose, a method for installing a platform with the upper and lower parts of a tower body butted against each other comprises the following steps: S1 assembles bench one and bench two; S2 welds support seats at the bottom of the first and second racks respectively; S3: hoist the lower part of the tower body to the docking station for fixing, then hoist the two second stands to the outside of the lower part of the tower body, and adjust the distance between the second stands and the docking point between the lower part of the tower body and the upper part of the tower body, so that the two second stands are symmetrically placed about the horizontal line passing through the center of the lower part of the tower body, and the two second stands are aligned in a direction perpendicular to the horizontal line; S4 fixes the support base of the second rack, and then installs a connecting piece between the two racks, so that the two racks are connected by the connecting piece to form a whole; S5: hoist the upper part of the tower body to the upper part of the tower body, and after the upper part of the tower body is aligned with the lower part of the tower body, hoist the two gantry 1s to the outer side of the lower part of the tower body, and adjust the distance between the gantry 1 and the joint between the lower part of the tower body and the upper part of the tower body, so that the two gantry 1s are symmetrically placed about a horizontal line passing through the center of the lower part of the tower body, and the two gantry 1s are aligned in a direction perpendicular to the horizontal line, and at the same time, the two gantry 1s are respectively aligned with the two gantry 2s in the direction of the horizontal line; S6: fix the support base of the rack one, and then install a connecting piece between the two racks one, so that the two racks one are connected by the connecting piece to form a whole; S7: Install a connecting piece between the first rack and the second rack, so that the two first racks and the two second racks are connected by the connecting piece and then spliced ​​into one.

[0006] The above arrangement can hoist the assembled two platforms one and two platforms two to the four sides of the docking station, and can adjust the distance from the platform one to the docking point of the tower body and the distance from the platform two to the docking point of the tower body according to the size of the tower body. In this way, after the two platforms one and the two platforms two are connected into one by the connecting parts and the connecting plates, the tower body can be operated, which effectively reduces the time consumed in construction. After the tower body is docked, the two platforms one and the two platforms two can be disassembled and moved to another docking station, and the distance from the platform one to the docking point of the tower body and the distance from the platform two to the docking point of the tower body can be readjusted. The distance between the tower bodies can be adjusted, and there is no need to rebuild according to the different sizes of each tower body, thereby improving work efficiency. In addition, two gantry 2s are first built on one side of the tower body to form a semi-frame structure, and then the upper part of the tower body is set on the lower part, and then the connection between the upper and lower parts of the tower body is determined, and then the position of the gantry 1 on the other side of the tower body is determined. In this way, the gantry on the other side of the tower body can be adjusted according to the connection of tower bodies of different shapes. Since one side of the connection is larger and the other side is smaller, directly installing gantry 2 to form a frame structure cannot ensure the accuracy of maintenance or installation of the connection after installation.

[0007] Furthermore, the step S1 also includes S1.1 to S1.2, S1.1 Weld connecting ears at both ends of support frame 1, weld angle frame 1 on the top of support frame 1, then install the grille in angle frame 1, and weld guardrail on one side of angle frame 1 to assemble into stand 1; S1.2 Weld connecting ears at both ends of support frame 2, weld corner frame 2 on the top of support frame 2, then install the grille in corner frame 2, and weld a guardrail on one side of corner frame 2 to assemble to form stand 2.

[0008] The above arrangement enables the first and second racks to be assembled in advance, making it easier to splice them later.

[0009] Furthermore, the step S4 also includes: installing a connecting plate between the tops of the two racks 2.

[0010] The above arrangement fills the gap between the two racks 2 through the connecting plate, making it convenient for workers to move between the two racks 2 to perform operations.

[0011] Furthermore, the step S6 also includes: installing a connecting plate between the tops of the two racks.

[0012] The above arrangement fills the gap between the two racks 1 through the connecting plate, making it convenient for workers to move between the two racks 1 to perform operations.

[0013] Furthermore, the step S7 also includes: installing a connecting plate between the tops of the first rack and the second rack.

[0014] The above arrangement fills the gap between the first frame and the second frame through the connecting plate, making it convenient for the staff to move between the first frame and the second frame to perform operations.

[0015] Furthermore, after step S7, step S8 is also included: after the tower bodies are butt-jointed, the first rack and the second rack are disassembled.

[0016] The above arrangement can facilitate the use of the first and second racks for the installation of other tower bodies.

[0017] Furthermore, the step S8 also includes S8.1 to S8.3, S8.1 Remove the connectors and connecting plates between rack 1 and rack 2; S8.2 Remove the connecting parts and connecting plates between the two racks 1, and then lift the two racks 1 away from the docking station by a crane; S8.3 Remove the connecting parts and connecting plates between the two racks 2, and then use the crane to lift the two racks 2 away from the docking station.

[0018] The above arrangement allows the two platforms 1 and 2 that are spliced ​​into one body to be disassembled by removing the connecting pieces and the connecting plates, thereby facilitating the lifting away from the docking station. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure in which the first rack and the second rack are spliced ​​into one body in the present invention.

[0020] Figure 2 It is a structural schematic diagram of the second rack in the present invention.

[0021] Figure 3 It is a structural schematic diagram of the stand 1 in the present invention.

[0022] Figure 4 It is a schematic diagram of the first and second racks of the present invention being placed on the four sides of the tower body.

[0023] Figure 5 It is the installation flow chart of the present invention.

[0024] Figure 6 It is a top view of the stand 1 in the present invention.

[0025] Figure 7 It is a top view of the second stand in the present invention. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] like Figures 1 to 4 As shown, a method for installing a platform for connecting the upper and lower parts of a tower body, the tower body is installed through the platform, the platform includes a platform component 1 and a platform component 2, the platform component 1 and the platform component 2 are arranged opposite to each other, the platform component 1 includes two oppositely arranged platforms 1 a1, the platform component 2 includes two oppositely arranged platforms 2 a2, the two platforms 1 a1 and the two platforms 2 a2 are connected in the Y direction by a detachable connecting member a3, and the platforms 1 a1 and the platforms 2 a2 are connected in the X direction by a detachable connecting member a3. In this embodiment, the length of the connecting member a3 is equal to the spacing between the two platforms 1 a1, the spacing between the two platforms 2 a2, and the spacing between the platforms 1 and 2. The spacing between platform a1 and platform a2 matches, and the two platforms a1 and the two platforms a2 are connected to form a splicing platform, and the middle part of the splicing platform forms a containing frame a4 that matches the tower body a10, so that after the tower body is assembled, the platform a1 and the platform a2 can be moved to another assembly station by removing the connecting member a3. The disassembly process is simple and can effectively reduce the workload of disassembly and assembly. In this embodiment, through holes are provided at both ends of the connecting member a3, and connecting ears a5 are provided at both ends of the platform a1 and both ends of the platform a2. The connecting member a3 is connected to the connecting ears a5 by passing a locking member through the through hole. The connecting member a3 is a springboard, and the locking member is a bolt and a nut matching the bolt.

[0028] like Figure 2-4As shown, the platform a1 includes a support frame a11, and a corner frame a12 is provided on the top of the support frame a11. The platform a2 includes a support frame a21, and a corner frame a22 is provided on the top of the support frame a21. A grille a6 is provided on the corner frame a12 and the corner frame a22, so that the staff can work on the grille a6. A side of the corner frame a12 away from the receiving frame a4 and a side of the corner frame a22 away from the receiving frame a4 are provided with a guardrail a7, and the safety of the staff during the operation can be improved by the guardrail a7. The bottom of the support frame a11 and the support frame a21 are fixedly provided with a support seat a8, which is convenient for increasing The contact area between the support frame a11 and the support frame a21 and the ground makes the support frame a11 and the support frame a21 more stable, thereby making the entire splicing platform more stable. At the same time, a detachable ladder a9 is provided on the outer side of the support frame a21, so that the staff can climb up to the splicing platform through the ladder a9. In this embodiment, the support frame a11 and the support frame a21 are both configured to be L-shaped, so that a square splicing platform is formed after the two platforms a1 and the two platforms a2 are spliced ​​and surrounded, and a square accommodating frame a4 is formed in the middle of the splicing platform, which is convenient for accommodating the tower body and facilitating operations on the four sides of the tower body.

[0029] In this embodiment, if Figure 1 As shown, a detachable connecting plate a31 is provided between the tops of the two platforms a1, between the tops of the two platforms a2, and between the top of the platform a1 and the top of the platform a2. The connecting plate a31 is installed by bolts, so that the distance between the two platforms a1, between the two platforms a2, and between the platform a1 and the platform a2 is filled by the connecting plate a31, so that the staff can walk around on the splicing platform, making the operation more convenient.

[0030] like Figure 5-7 As shown, the platform installation method includes the following specific steps: S1 assembles bench a1 and bench a2, including S1.1~ S1.2, S1.1 Weld connecting ears a5 at both ends of support frame a11, weld corner frame a12 on the top of support frame a11, then install grille a6 in corner frame a12, and weld guardrail a7 on one side of corner frame a12 to form stand a1; S1.2 Weld connecting ears a5 at both ends of support frame a21, weld corner frame a22 at the top of support frame a21, then install grille a6 in corner frame a22, and weld guardrail a7 on one side of corner frame a22 to assemble to form stand a2.

[0031] S2 welds the support base a8 at the bottom of the stand a1 and the stand a2 respectively; S3: The lower part a20 of the tower body is hoisted to the docking station for fixing, and then the two gantry a2 are hoisted to the outside of the lower part a20 of the tower body, and the distance between the gantry a2 and the docking point between the lower part a20 of the tower body and the upper part a10 of the tower body is adjusted. In this embodiment, Figure 6 As shown, the distance from the platform a2 to the joint between the lower part a20 of the tower body and the upper part a10 of the tower body can enable the staff to work on the platform a2. The platform a2 can be selected at different heights to ensure that the platform a2 allows the staff to work on the platform a2, so that the two platforms a2 are symmetrically placed about the horizontal line a30 passing through the center of the lower part a20 of the tower body, and the two platforms a2 are aligned in a direction perpendicular to the horizontal line a30. In this embodiment, the method for aligning the two platforms a2 is specifically to install a laser transmitter on one platform a2, install a laser receiver on the other platform a2, and make the laser transmitter and the laser receiver at the same height. The laser transmitter can receive the laser emitted by the laser transmitter, and it can be determined that the two platforms a2 are aligned in a direction perpendicular to the horizontal line. S4: Fix the support base a8 of the second platform a2, then install the connecting piece a3 between the two supporting frames a21 through the locking piece, and install the connecting plate a31 between the two corner frames a22 through bolts, so that the two platforms a2 are connected by the connecting piece a3 and the connecting plate a31 to form a whole; S5 Figure 4 As shown, the upper part a10 of the tower body is hoisted to the upper part a20 of the tower body. After the upper part a10 of the tower body is aligned with the lower part a20 of the tower body, the two gantry a1s are hoisted to the outside of the lower part a20 of the tower body, and the distance between the gantry a1 and the joint between the lower part a20 of the tower body and the upper part a10 of the tower body is adjusted, so that the two gantry a1s are symmetrically placed about the horizontal line a30 passing through the center of the lower part a20 of the tower body, and the two gantry a1s are aligned in a direction perpendicular to the horizontal line a30, and at the same time, the two gantry a1s are respectively aligned with the two gantry a2s in the direction of the horizontal line a30. In this embodiment, the method for aligning the gantry a1 with the gantry a2 is specifically as follows: by installing a laser transmitter on the gantry a, and then installing a laser receiver on the gantry a2 located on the same side, and making the laser transmitter and the laser receiver at the same height, the laser transmitter can receive the laser emitted by the laser transmitter, and it can be judged that the gantry a and the gantry a located on the same side are aligned in the direction of the horizontal line; S6: Fix the support base a8 of the platform a1, then install the connecting piece a3 between the two supporting frames a11 through the locking piece, and install the connecting plate a31 between the two corner frames a12 through bolts, so that the two platforms a1 are connected through the connecting piece a3 and the connecting plate a31 to form a whole; S7: Install the connecting piece a3 between the platform a1 and the platform a2 on the same side through the locking piece, and install the connecting plate a31 between the top of the platform a1 and the platform a2 through bolts, so that the two platforms a1 and the two platforms a2 are connected through the connecting piece a3 and the connecting plate a31 and then spliced ​​into one body; After the tower body is docked, dismantle the rack a1 and rack a2, including S8.1~S8.3. S8.1 Remove the connecting piece a3 and the connecting plate a31 between the rack a1 and the rack a2; S8.2 Remove the connecting piece a3 and the connecting plate a31 between the two racks a1, and then lift the two racks a1 away from the docking station by a crane; S8.3 Remove the connecting piece a3 and the connecting plate a31 between the two racks a2, and then use a crane to lift the two racks a2 away from the docking station.

[0032] The working principle of the present invention is as follows: the two assembled platforms a1 and the two platforms a2 are hoisted to the four sides of the docking station, and then the distance from the platform a1 to the docking point of the tower body and the distance from the platform a2 to the docking point of the tower body are adjusted according to the size of the tower body, and then the two platforms a1 and the two platforms a2 are connected to form a whole through connecting parts and connecting plates, so as to operate the tower body and reduce the time consumed in construction. After the tower body is docked, the two platforms a1 and the two platforms a2 are disassembled and moved to another docking station, and the distance from the platform a to the docking point of the tower body and the distance from the platform a to the docking point of the tower body can be readjusted. There is no need to rebuild according to the different sizes of each tower body, thereby improving the working efficiency.

Claims

1. A method for installing a platform with the upper and lower parts of a tower body butted against each other, characterized in that: The following steps are involved: S1 assembles bench one and bench two; S2 welds support seats at the bottom of the first and second racks respectively; S3: hoist the lower part of the tower body to the docking station for fixing, then hoist the two second stands to the outside of the lower part of the tower body, and adjust the distance between the second stands and the docking point between the lower part of the tower body and the upper part of the tower body, so that the two second stands are symmetrically placed about the horizontal line passing through the center of the lower part of the tower body, and the two second stands are aligned in a direction perpendicular to the horizontal line; S4 fixes the support base of the second rack, and then installs a connecting piece between the two racks, so that the two racks are connected by the connecting piece to form a whole; S5: hoist the upper part of the tower body to the upper part of the tower body, and after the upper part of the tower body is aligned with the lower part of the tower body, hoist the two gantry 1s to the outer side of the lower part of the tower body, and adjust the distance between the gantry 1 and the joint between the lower part of the tower body and the upper part of the tower body, so that the two gantry 1s are symmetrically placed about a horizontal line passing through the center of the lower part of the tower body, and the two gantry 1s are aligned in a direction perpendicular to the horizontal line, and at the same time, the two gantry 1s are respectively aligned with the two gantry 2s in the direction of the horizontal line; S6: fix the support base of the rack one, and then install a connecting piece between the two racks one, so that the two racks one are connected by the connecting piece to form a whole; S7: Install a connecting piece between the first rack and the second rack, so that the two first racks and the two second racks are connected by the connecting piece and then spliced ​​into one.

2. A method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The step S1 also includes S1.1 to S1.2, S1.1 Weld connecting ears at both ends of support frame 1, weld angle frame 1 on the top of support frame 1, then install the grille in angle frame 1, and weld guardrail on one side of angle frame 1 to assemble into stand 1; S1.2 Weld connecting ears at both ends of support frame 2, weld corner frame 2 on the top of support frame 2, then install the grille in corner frame 2, and weld a guardrail on one side of corner frame 2 to assemble to form stand 2.

3. The method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The step S4 also includes: installing a connecting plate between the tops of the two racks 2.

4. The method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The step S6 also includes: installing a connecting plate between the tops of the two racks.

5. The method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The step S7 also includes: installing a connecting plate between the tops of the first rack and the second rack.

6. The method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The method further includes step S8 after step S7: after the tower bodies are butt-jointed, disassembling the first and second racks.

7. The method for installing a platform for connecting the upper and lower parts of a tower body according to claim 1, characterized in that: The step S8 also includes S8.1 to S8.3, S8.1 Remove the connectors and connecting plates between rack 1 and rack 2; S8.2 Remove the connecting parts and connecting plates between the two racks 1, and then lift the two racks 1 away from the docking station by a crane; S8.3 Remove the connecting parts and connecting plates between the two racks 2, and then use the crane to lift the two racks 2 away from the docking station.

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