Integral shifting device and method for tower crane

Abstract

The invention discloses an integral shifting device of a tower crane, which comprises a tower crane, reinforcing plates arranged between a tower crane suspension arm and a tower crane body as well as between a tower crane balance arm and the tower crane body, and a portal crane, the portal crane is erected above the tower crane, a trolley is arranged on the portal crane, a lifting belt is connected to the trolley, the lifting belt is connected with a lifting arm of the tower crane and a balance arm of the tower crane, and the trolley moves to lift the tower crane from the first foundation to the second foundation; the invention further discloses an overall displacement method of the tower crane. According to the overall shifting device and method of the tower crane, overall shifting of the tower crane is achieved through the portal crane, operation is easy, the use cost of large hoisting and transporting machines in the disassembling and reassembling processes of the tower crane is reduced, and meanwhile the shifting efficiency and flexibility of the tower crane are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of tower crane displacement, and in particular relates to an overall displacement device and method for a tower crane. Background Art

[0002] The construction of large steel structures in marine engineering cannot be separated from large lifting machinery such as gantry cranes, tower cranes, crawler cranes, and truck cranes. Among them, tower cranes are widely used because of their large working range and high flexibility. In the construction process of large structures, tower cranes often collide with large structures and need to be relocated. However, the relocation process of tower cranes is very cumbersome. The tower crane needs to be disassembled into several parts, and then transferred using trailers or special transport vehicles. After arriving at the designated location, it needs to be reassembled. In addition, the tower crane needs to be restored to its original position when shipping large steel structures. In addition, the disassembly and reassembly process of tower cranes is complicated and time-consuming, and the relocation cost is high.

[0003] Therefore, it is urgent to design an overall shifting device and method for a tower crane to solve the above-mentioned problems of the tower crane's complicated shifting process, time-consuming assembly and disassembly, and increased costs. Summary of the invention

[0004] In order to solve the technical problems mentioned in the background technology that the displacement process of the tower crane is complicated, the disassembly and assembly is time-consuming, and the cost is increased, an overall displacement device and method of a tower crane are provided to solve the above problems.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the overall shifting device and method of the tower crane of the present invention is as follows: An integral displacement device for a tower crane comprises a tower crane, wherein reinforcement plates are arranged between the boom of the tower crane and the tower body of the tower crane, and between the balance arm of the tower crane and the tower body of the tower crane. The invention also comprises a gantry crane, wherein the gantry crane is erected above the tower crane, and a trolley is arranged on the gantry crane, wherein a lifting belt is connected to the trolley, and wherein the lifting belt is respectively connected to the boom of the tower crane and the balance arm of the tower crane, and wherein the trolley moves to lift the tower crane from a first foundation to a second foundation.

[0006] Furthermore, it also includes a first clamp, and both ends of the reinforcement plate are connected to the tower body and the boom of the tower crane through the first clamp.

[0007] Furthermore, it also includes a second clamp, and both ends of the reinforcement plate are connected to the tower body of the tower crane and the balance arm of the tower crane through the second clamp.

[0008] Furthermore, the reinforcing plate includes a reinforcing portion, one end of which is connected to the first connecting portion, and the other end of which is connected to the second connecting portion. The first connecting portion and the tower crane tower body, as well as the second connecting portion and the tower crane boom, are both connected and fixed via a first clamp.

[0009] Furthermore, the first connection portion and the reinforcement portion are arranged at an obtuse angle, and the second connection portion and the reinforcement portion are arranged at an obtuse angle.

[0010] Furthermore, a connecting plate is provided at one end of the tower crane close to the first foundation or the second foundation, and the connecting plate is bolted to the first foundation or the second foundation.

[0011] Furthermore, the height of the tower crane from the ground is lower than the height of the trolley on the gantry crane from the ground.

[0012] Furthermore, a hook is provided on the trolley, and the hook is respectively connected to the tower crane boom and the tower crane balance arm through a lifting belt.

[0013] A method for overall displacement of a tower crane comprises the following steps: S1. Install reinforcement plates between the tower crane boom and the tower crane body, and between the tower crane balance arm and the tower crane body; S2. Move the gantry crane to the top of the tower crane, and move the trolley on the gantry crane so that it is in a vertical line with the center of gravity of the tower crane; S3. Connect a lifting belt to the trolley of the gantry crane, and connect the lifting belt to the boom of the tower crane and the balance arm of the tower crane respectively; S4. dismantling the connection between the tower crane and the first foundation; S5. The trolley of the gantry crane lifts the tower crane and observes for 2 minutes. If there is no abnormality, the gantry crane is moved to lift the tower crane to the designated location; S6, lowering the trolley of the gantry crane so that the tower crane contacts the second foundation; S7, fixedly connecting the second foundation to the tower crane; S8, releasing the connection between the tower crane boom and the tower crane counterarm and the lifting belt; S9. Remove the gantry crane.

[0014] Furthermore, before the trolley of the gantry crane lifts the tower crane, a second foundation is pre-set at a designated position.

[0015] The overall shifting device and method of the tower crane of the present invention have the following advantages: A gantry crane is erected above a tower crane, a trolley is provided on the gantry crane, a lifting belt is connected to the trolley, the lifting belt is respectively connected to the tower crane boom and the tower crane balance arm, the trolley moves to lift the tower crane from a first foundation to a second foundation, and the gantry crane is used to achieve the overall displacement of the tower crane, the operation is simple, and the use cost of large lifting and transportation machinery during the disassembly and reinstallation of the tower crane is reduced, while the displacement efficiency and flexibility of the tower crane are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the tower crane of the present invention before overall displacement; Figure 2 It is a schematic structural diagram of the tower crane of the present invention when the whole is displaced; Figure 3 It is a schematic structural diagram of the tower crane of the present invention after overall displacement; Figure 4 It is a structural schematic diagram of the connecting plate and the first foundation of the present invention; Figure 5 It is a structural schematic diagram of the connecting plate and the second foundation of the present invention; Figure 6 It is a schematic diagram of the structure of the first clamp and the second clamp of the present invention; Figure 7 It is a structural schematic diagram of the first clamp of the present invention.

[0017] Description of the markings in the figure: 1. Gantry crane; 2. Tower crane; 3. Tower crane tower; 4. Trolley; 5. Reinforcement plate; 6. Lifting belt; 7. Hook; 8. Tower crane boom; 9. Tower crane balance arm; 10. First foundation; 11. Connecting plate; 12. Bolt; 13. Second foundation; 14. First clamp; 15. Second clamp. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0019] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0020] Please refer to the attached Figure 1 To Attachment Figure 7 The overall shifting device and method of a tower crane of the present invention are described.

[0021] like Figures 1 to 5 As shown, the overall displacement device of the tower crane in the present invention includes a tower crane 2, a reinforcement plate 5 is arranged between the tower crane boom 8 and the tower crane body 3, and between the tower crane balance arm 9 and the tower crane body 3, and also includes a gantry crane 1, the gantry crane 1 is erected above the tower crane 2, a trolley 4 is arranged on the gantry crane 1, a lifting belt 6 is connected to the trolley 4, and the lifting belt 6 is respectively connected to the tower crane boom 8 and the tower crane balance arm 9, and the trolley 4 moves to lift the tower crane 2 from the first foundation 10 to the second foundation 13. In this embodiment, in order to facilitate lifting, the height of the tower crane 2 from the ground is lower than the height of the trolley 4 on the gantry crane 1 from the ground, so as to ensure that the tower crane 2 can be separated from the ground during the lifting process. In this embodiment, a hook 7 is arranged on the trolley 4, and the hook 7 is respectively connected to the tower crane boom 8 and the tower crane balance arm 9 through the lifting belt 6.

[0022] By erecting a gantry crane 1 above a tower crane 2, a trolley 4 is provided on the gantry crane 1, a lifting belt 6 is connected to the trolley 4, and the lifting belt 6 is respectively connected to the tower crane boom 8 and the tower crane balance arm 9. The trolley 4 moves to lift the tower crane 2 from the first foundation 10 to the second foundation 13. The gantry crane 1 is used to realize the overall displacement of the tower crane 2, which is simple to operate, reduces the cost of using large lifting and transportation machinery during the disassembly and reassembly of the tower crane 2, and improves the displacement efficiency and flexibility of the tower crane 2.

[0023] Further, if Figures 1 to 7 As shown, the overall displacement device of the tower crane in the present invention further includes a first hoop 14, and both ends of the reinforcing plate 5 are connected to the tower crane body 3 and the tower crane boom 8 through the first hoop 14. The overall displacement device of the tower crane 2 in the present invention further includes a second hoop 15, and both ends of the reinforcing plate 5 are connected to the tower crane body 3 and the tower crane balance arm 9 through the second hoop 15.

[0024] Further, if Figure 6As shown, the reinforcing plate 5 includes a reinforcing portion, one end of the reinforcing portion is connected to the first connecting portion, and the other end of the reinforcing portion is connected to the second connecting portion, and the first connecting portion and the tower crane tower body 3, and the second connecting portion and the tower crane boom 8 are all connected and fixed by a first hoop 14. A reinforcing plate 5 is also connected between the tower crane tower body 3 and the tower crane balance arm 9, and the first connecting portion of the reinforcing plate 5 and the tower crane tower body 3, and the second connecting portion and the tower crane balance arm 9 are all connected and fixed by a second hoop 15. The reinforcing plate 5 is provided to ensure that the tower crane 2 will not be deformed during the hoisting process. In this embodiment, the first connecting portion and the reinforcing portion are arranged at an obtuse angle, and the second connecting portion and the reinforcing portion are arranged at an obtuse angle. In other embodiments, the reinforcing plate 5 can also be arranged in other structures, as long as it can connect the tower crane tower body 3 and the tower crane boom 8, and the tower crane tower body 3 and the tower crane balance arm 9, and play the role of strengthening support.

[0025] Further, if Figures 1 to 5 As shown, a connecting plate 11 is provided at one end of the tower crane 2 close to the first foundation 10 or the second foundation 13, and the connecting plate 11 is connected to the first foundation 10 or the second foundation 13 by bolts 12. Before hoisting the tower crane 2, the bolts 12 connecting the tower crane 2 and the first foundation 10 need to be removed, and after the tower crane 2 is moved to the second foundation 13, the tower crane 2 is connected to the second foundation 13 by bolts 12, and the tower crane 2 is fixed to the second foundation 13.

[0026] The present invention also provides a method for overall displacement of a tower crane, comprising the following steps: S1, installing a reinforcing plate 5 between the tower crane boom 8 and the tower crane body 3 and between the tower crane balance arm 9 and the tower crane body 3; S2, move the gantry crane 1 to above the tower crane 2, and move the trolley 4 on the gantry crane 1 so that the center of gravity of the gantry crane 1 and the tower crane 2 are maintained in a vertical line; S3, connecting the lifting belt 6 to the trolley 4 of the gantry crane 1, and the lifting belt 6 is respectively connected to the tower crane boom 8 and the tower crane balance arm 9; S4, dismantling the connection between the tower crane 2 and the first foundation 10; S5, the trolley 4 of the gantry crane 1 lifts the tower crane 2 and observes for 2 minutes. If there is no abnormality, the gantry crane 1 is moved to lift the tower crane 2 to the designated position; S6, the trolley 4 of the lower gantry crane 1, so that the tower crane 2 is in contact with the second foundation 13; S7, fixedly connecting the second foundation 13 to the tower crane 2; S8, releasing the connection between the tower crane boom 8 and the tower crane balance arm 9 and the lifting belt 6; S9. Remove gantry crane 1.

[0027] Further, if Figures 1 to 5 As shown, before the trolley 4 of the gantry crane 1 lifts the tower crane 2, a second foundation 13 is pre-set at a designated position.

[0028] By erecting a gantry crane 1 above a tower crane 2, a trolley 4 is provided on the gantry crane 1, a lifting belt 6 is connected to the trolley 4, and the lifting belt 6 is respectively connected to the tower crane boom 8 and the tower crane balance arm 9. The trolley 4 moves to lift the tower crane 2 from the first foundation 10 to the second foundation 13. The gantry crane 1 is used to realize the overall displacement of the tower crane 2, which is simple to operate, reduces the cost of using large lifting and transportation machinery during the disassembly and reassembly of the tower crane 2, and improves the displacement efficiency and flexibility of the tower crane 2.

[0029] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An integral displacement device for a tower crane, characterized in that: The invention comprises a tower crane, wherein reinforcing plates are arranged between the boom of the tower crane and the tower body of the tower crane, and between the balance arm of the tower crane and the tower body of the tower crane. The invention also comprises a gantry crane, wherein the gantry crane is erected above the tower crane, and a trolley is arranged on the gantry crane, and a lifting belt is connected to the trolley, and the lifting belt is respectively connected to the boom of the tower crane and the balance arm of the tower crane, and the trolley moves to lift the tower crane from a first foundation to a second foundation.

2. The overall shifting device for a tower crane according to claim 1, characterized in that: It also includes a first clamp, and both ends of the reinforcement plate are connected to the tower body and the boom of the tower crane through the first clamp.

3. The overall shifting device for a tower crane according to claim 1, characterized in that: It also includes a second clamp, and both ends of the reinforcement plate are connected to the tower body of the tower crane and the balance arm of the tower crane through the second clamp.

4. The overall shifting device for a tower crane according to claim 2, characterized in that: The reinforcing plate includes a reinforcing part, one end of which is connected to a first connecting part, and the other end of which is connected to a second connecting part. The first connecting part and the tower crane tower body as well as the second connecting part and the tower crane boom are both connected and fixed via a first clamp.

5. The overall shifting device for a tower crane according to claim 4, characterized in that: The first connection portion and the reinforcement portion are arranged at an obtuse angle, and the second connection portion and the reinforcement portion are arranged at an obtuse angle.

6. The overall shifting device for a tower crane according to claim 1, characterized in that: A connecting plate is arranged at one end of the tower crane close to the first foundation or the second foundation, and the connecting plate is connected to the first foundation or the second foundation by bolts.

7. The overall shifting device for a tower crane according to claim 1, characterized in that: The height of a tower crane from the ground is lower than the height of the trolley on a gantry crane from the ground.

8. The overall shifting device for a tower crane according to claim 1, characterized in that: A hook is arranged on the trolley, and the hook is respectively connected with the boom of the tower crane and the balance arm of the tower crane through a lifting belt.

9. A method for overall displacement of a tower crane, characterized in that: The following steps are involved: S1. Install reinforcement plates between the tower crane boom and the tower crane body, and between the tower crane balance arm and the tower crane body; S2. Move the gantry crane to the top of the tower crane, and move the trolley on the gantry crane so that it is in a vertical line with the center of gravity of the tower crane; S3. Connect a lifting belt to the trolley of the gantry crane, and connect the lifting belt to the boom of the tower crane and the balance arm of the tower crane respectively; S4. dismantling the connection between the tower crane and the first foundation; S5. The trolley of the gantry crane lifts the tower crane and observes for 2 minutes. If there is no abnormality, the gantry crane is moved to lift the tower crane to the designated location; S6, lowering the trolley of the gantry crane so that the tower crane contacts the second foundation; S7, fixedly connecting the second foundation to the tower crane; S8, releasing the connection between the tower crane boom and the tower crane counterarm and the lifting belt; S9. Remove the gantry crane.

10. The overall displacement method of a tower crane according to claim 9, characterized in that: Before the trolley of the gantry crane lifts the tower crane, a second foundation is pre-set at the designated location.

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