A steel beam and steel support as a foundation device for a tower crane and a construction method thereof

Abstract

The present invention relates to the technical field of tower crane foundation, and discloses a steel beam and steel support as a basic device of the tower crane, comprising: a steel beam plate, the bottom of the steel beam plate is connected to a steel support plate, the bottom of the steel support plate is installed with a conical block, and the top of the steel beam plate is provided with a tower crane body; a connecting mechanism, the connecting mechanism is located between the steel beam plate and the steel support plate and is used to reinforce the connection between the two; the present invention can achieve a stable connection between the steel support plate and the steel beam plate through the setting of the connecting mechanism, so that the steel beam plate is not prone to shaking on the top of the steel support plate, thereby ensuring the stability of the tower crane body, thereby reducing the risk of tipping over or collapse, and increasing the safety of the construction site and workers, and the stable connection method can reduce the wear and damage of the tower crane body and its components, reduce maintenance costs, and at the same time solve the problem that traditional devices may cause the quality of the building structure and affect the overall project quality and safety.

Description

Technical Field

[0001] The invention relates to the technical field of tower crane foundations, and in particular to a steel beam and a steel support as a foundation device for a tower crane and a construction method. Background Art

[0002] Steel beams and steel supports are usually used as the basic devices of tower cranes to construct the supporting structure of tower cranes to ensure the stability and safety of tower cranes. These devices are usually used to build the lifting mechanism of tower cranes and support the overall structure of tower cranes so that they can bear the weight of lifting and moving, and maintain balance and stability during construction. Nowadays, steel beams and steel supports are usually used as the basic devices of tower cranes in construction sites and other scenes that require large lifting equipment, so that tower cranes can safely perform lifting and moving operations in various complex construction environments.

[0003] When using the traditional device, the tower crane foundation device is first designed and planned according to the specific project requirements and site conditions, the size, quantity and position of the required steel beams and steel supports are determined, the construction area is cleaned up at the construction site, and the ground is ensured to be flat and stable. Then the required steel supports are pre-buried underground and then connected to the steel beam plate. Finally, the tower crane is supported by the steel beam plate to complete the foundation installation of the tower crane. However, the traditional device is not stable enough when connected to the steel beam plate through the steel support plate, which makes the steel beam plate easy to shake on the top of the steel support plate, affecting the stability of the tower crane, thereby increasing the risk of tipping or collapse, posing a threat to the safety of the construction site and workers, and the unstable connection method will increase the wear and damage of the tower crane and its components, shorten the service life of the equipment, increase maintenance costs, and at the same time may cause the quality of the building structure, affecting the quality and safety of the overall project. Summary of the invention

[0004] The purpose of the present invention is to provide a steel beam and a steel support as a basic device and a construction method for a tower crane, which solves the problem in the background technology that the steel support is not stable enough when connected to the steel beam plate, increasing the risk of tipping or collapse.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A steel beam and a steel support as a basic device for a tower crane, comprising:

[0007] A steel beam plate, the bottom of which is connected to a steel support plate, a conical block is installed at the bottom of the steel support plate, and a tower crane body is arranged on the top of the steel beam plate;

[0008] A connecting mechanism, wherein the connecting mechanism is located between the steel beam plate and the steel support plate and is used to strengthen the connection between the two, and the connecting mechanism includes a threaded mechanism, a positioning mechanism and a driving mechanism, wherein the threaded mechanism is located at the top of the steel support plate, the positioning mechanism is located at one side of the steel beam plate and is used to position the threaded mechanism, and the driving mechanism is located at one side of the steel beam plate and is used to drive the positioning mechanism.

[0009] Preferably, the threaded mechanism includes a mounting groove opened at the bottom of the steel beam plate and a mounting seat arranged at the top of the steel support plate, the interior of the mounting seat is threaded with bolts, and the top of the steel support plate is provided with a threaded groove for the bolts to be threaded.

[0010] Preferably, the positioning mechanism includes a connecting rod plugged into one side of the steel beam plate, and the connecting rod extends into the interior of the mounting groove and is plugged into the mounting seat.

[0011] Preferably, the driving mechanism includes an extension plate and a fixed plate fixed on the top of the steel beam plate, a first threaded rod is connected between the extension plate and the fixed plate, a moving block is screwed on the outer wall of the first threaded rod, a moving plate is fixed to the bottom of the moving block, the moving plate is connected to the connecting rod, the first threaded rod extends to one side of the fixed plate and is equipped with a rotating disk, and a handle is fixed to one side of the rotating disk.

[0012] Preferably, a fixed block is fixed on one side of the moving block, a fixed rod is connected between the extension plate and the fixed plate, and the fixed block is sleeved on the outer wall of the fixed rod.

[0013] Preferably, a clamping mechanism for clamping the tower crane body is arranged between the steel beam plate and the tower crane body, the clamping mechanism includes a fixed seat fixed on the top of the steel beam plate and a second clamping plate installed on one side of the fixed seat, a movable seat is slidably installed on the top of the steel beam plate, a first clamping plate is fixed on one side of the movable seat, the first clamping plate corresponds to the second clamping plate, and the first clamping plate and the second clamping plate are respectively located on both sides of the tower crane body, and a control mechanism for controlling the movable seat is arranged between the movable seat and the steel beam plate.

[0014] Preferably, the control mechanism includes a control groove opened on the top of the steel beam plate and a control block installed inside the control groove, the control block is fixed to the bottom of the movable seat, a second threaded rod is rotatably installed inside the control groove, the control block is screwed on the outer wall of the second threaded rod, a drive motor is installed on the top of the steel beam plate, the output end of the drive motor is connected to the second threaded rod, and a protective cover is installed on the outer wall of the drive motor, the protective cover is connected to the steel beam plate, and the outer wall of the protective cover is provided with heat dissipation holes, and the heat dissipation holes correspond to the drive motor.

[0015] Preferably, a lifting mechanism for lifting the tower crane body is arranged between the steel beam plate and the tower crane body, and the lifting mechanism includes a cylinder fixed to the top of the steel beam plate and a resistance plate installed at the bottom of the tower crane body, the telescopic end of the cylinder is connected to a telescopic rod, and a support seat is fixed to the top of the telescopic rod, and the support seat corresponds to the resistance plate.

[0016] Preferably, a plurality of evenly distributed plug rods are fixed to the bottom of the support seat, a reinforcement sleeve is provided on the outer wall of the telescopic rod, a plurality of support columns are connected between the reinforcement sleeve and the cylinder, and a plurality of grooves for plugging the plug rods are provided on the top of the reinforcement sleeve.

[0017] A construction method using a steel beam and a steel support as a foundation device of a tower crane comprises the following steps:

[0018] S1. First, the steel support plate is pre-buried where it is needed, the mounting seat is connected to the steel support plate by bolts, and then the steel beam plate is connected to the mounting seat by a positioning mechanism;

[0019] S2. The positioning mechanism is driven by the driving mechanism to open and close, so that the steel beam plate and the mounting seat can be connected and disassembled according to needs, which is convenient for users to install the steel beam plate;

[0020] S3, placing the tower crane body to be installed on the top of the steel beam plate, and clamping the bottom of the tower crane body by a clamping mechanism, so as to reinforce the installation of the tower crane body;

[0021] S4, driving the movable seat away from the fixed seat through the control mechanism, so that the gap between the first clamping plate and the second clamping plate is gradually increased, thereby facilitating the user to install and disassemble the tower crane body;

[0022] The lifting mechanism drives the support seat to move upward at the bottom of the tower crane body until the support seat and the contact plate contact each other, so that the tower crane body is lifted synchronously. By lifting the tower crane body, it is convenient for users to install it and save labor costs.

[0023] By providing the reinforcement sleeve, the support base is made more stable during operation, thereby ensuring the stability of the tower crane body during lifting.

[0024] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0025] 1. The present invention can realize a stable connection between the steel support plate and the steel beam plate through the setting of the connection mechanism, so that the steel beam plate is not easy to shake on the top of the steel support plate, ensuring the stability of the tower crane body, thereby reducing the risk of tipping or collapse, increasing the safety of the construction site and workers, and the stable connection method can reduce the wear and damage of the tower crane body and its components, extend the service life of the equipment, reduce maintenance costs, and solve the problem that traditional devices may cause the quality of the building structure and affect the overall project quality and safety;

[0026] 2. The present invention can clamp the tower crane body by setting the clamping mechanism, strengthen the connection between the tower crane body and the steel beam plate, reduce the possibility of tower crane shaking, improve the safety of the construction site and the accuracy of operation, reduce the risk of operation, and help ensure the quality and safety of the building structure;

[0027] 3. The present invention can lift the tower crane body by setting a lifting mechanism, simplify the installation and disassembly process, save time and labor costs, improve construction efficiency, provide stable support, reduce shaking and unstable factors during installation and disassembly, increase the safety of the construction site, and at the same time reduce the collision and damage of the tower crane body during installation and disassembly, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 For the present invention Figure 1 A structural diagram of the connecting mechanism;

[0030] Figure 3 This is one of the structural schematic diagrams of the connecting mechanism of the present invention when it is disassembled;

[0031] Figure 4 This is the second structural schematic diagram of the disassembled connecting mechanism of the present invention;

[0032] Figure 5 For the present invention Figure 1 A schematic diagram of the structure of the clamping mechanism;

[0033] Figure 6 It is a schematic diagram of the structure of the clamping mechanism of the present invention when it is disassembled;

[0034] Figure 7 For the present invention Figure 1 Structural diagram of the lifting mechanism;

[0035] Figure 8 It is a structural schematic diagram of the lifting mechanism of the present invention when it is disassembled.

[0036] Among them: 1. Steel beam plate; 2. Tower crane body; 3. Connection mechanism; 4. Clamping mechanism; 5. Lifting mechanism; 6. Steel support plate;

[0037] 31. extension plate; 32. fixed plate; 33. moving block; 34. mounting seat; 35. bolt; 36. moving plate; 37. connecting rod; 38. fixed block; 39. fixed rod; 310. first threaded rod;

[0038] 41. Fixed seat; 42. Moving seat; 43. First clamping plate; 44. Second clamping plate; 45. Protective cover; 46. Driving motor; 47. Second threaded rod;

[0039] 51. Cylinder; 52. Reinforcement sleeve; 53. Support column; 54. Support seat; 55. Insert rod; 56. Resistance plate; 57. Telescopic rod. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1 - Figure 4 , a steel beam and a steel support as a basic device of a tower crane, comprising:

[0042] A steel beam plate 1, the bottom of the steel beam plate 1 is connected to a steel support plate 6, a conical block is installed at the bottom of the steel support plate 6, and a tower crane body 2 is arranged on the top of the steel beam plate 1; a connecting mechanism 3, the connecting mechanism 3 is located between the steel beam plate 1 and the steel support plate 6 and is used to strengthen the connection between the two, the connecting mechanism 3 includes a threaded mechanism, a positioning mechanism and a driving mechanism, the threaded mechanism is located at the top of the steel support plate 6, the positioning mechanism is located on one side of the steel beam plate 1 and is used to position the threaded mechanism, the driving mechanism is located on one side of the steel beam plate 1 and is used to drive the positioning mechanism, the threaded mechanism includes a mounting groove opened at the bottom of the steel beam plate 1 and a mounting seat 34 arranged at the top of the steel support plate 6, the interior of the mounting seat 34 is screwed with a bolt 35, and the top of the steel support plate 6 is provided with a screw thread for the bolt 35 to be screwed The threaded groove and the positioning mechanism include a connecting rod 37 inserted into one side of the steel beam plate 1, the connecting rod 37 extends to the inside of the mounting groove and is inserted into the mounting seat 34, the driving mechanism includes an extension plate 31 and a fixed plate 32 fixed on the top of the steel beam plate 1, a first threaded rod 310 is connected between the extension plate 31 and the fixed plate 32, a moving block 33 is screwed on the outer wall of the first threaded rod 310, a moving plate 36 is fixed to the bottom of the moving block 33, the moving plate 36 is connected to the connecting rod 37, the first threaded rod 310 extends to one side of the fixed plate 32 and is installed with a rotating disk, a handle is fixed to one side of the rotating disk, a fixed block 38 is fixed to one side of the moving block 33, a fixed rod 39 is connected between the extension plate 31 and the fixed plate 32, and the fixed block 38 is sleeved on the outer wall of the fixed rod 39.

[0043] When in use, first pre-embed the steel support plate 6 where it is needed, and use the conical block to facilitate the pre-embedding and extraction of the steel support plate 6, connect the mounting seat 34 to the steel support plate 6 through the bolt 35, then align the mounting seat 34 with the mounting groove, turn the handle to drive the rotating disk to rotate, and the rotation of the rotating disk drives the first threaded rod 310 to rotate, and the rotation of the first threaded rod 310 drives the moving block 33 to move, and the movement of the moving block 33 drives the moving plate 36 to move synchronously, and the movement of the moving plate 36 drives the connecting rod 37 to move, so that the connecting rod 37 is inserted into the mounting groove and is connected with the mounting seat 3 4 is plugged in, and the steel support plate 6 can be effectively fixed by plugging in the connecting rod 37 and the mounting seat 34, so that the steel beam plate 1 is not easy to shake on the top of the steel support plate 6, ensuring the stability of the tower crane body 2, thereby reducing the risk of tipping or collapse, increasing the safety of the construction site and workers, and the stable connection method will reduce the wear and damage of the tower crane body 2 and its components, and extend the service life of the equipment. Through the setting of the fixing rod 39, the fixing block 38 is moved on its outer wall. Through the movement of the fixing block 38, the moving block 33 is more stable during the movement and will not easily deviate.

[0044] See also Figure 1 , Figure 5 and Figure 6 A clamping mechanism 4 for clamping the tower crane body 2 is provided between the steel beam plate 1 and the tower crane body 2. The clamping mechanism 4 includes a fixed seat 41 fixed on the top of the steel beam plate 1 and a second clamping plate 44 installed on one side of the fixed seat 41. A moving seat 42 is slidably installed on the top of the steel beam plate 1. A first clamping plate 43 is fixed on one side of the moving seat 42. The first clamping plate 43 corresponds to the second clamping plate 44, and the first clamping plate 43 and the second clamping plate 44 are respectively located on both sides of the tower crane body 2. A control mechanism for controlling the moving seat 42 is provided between the moving seat 42 and the steel beam plate 1. The machine comprises a control groove opened on the top of the steel beam plate 1 and a control block installed inside the control groove, the control block is fixed to the bottom of the moving seat 42, a second threaded rod 47 is rotatably installed inside the control groove, the control block is screwed on the outer wall of the second threaded rod 47, a driving motor 46 is installed on the top of the steel beam plate 1, the output end of the driving motor 46 is connected to the second threaded rod 47, and a protective cover 45 is installed on the outer wall of the driving motor 46, the protective cover 45 is connected to the steel beam plate 1, and the outer wall of the protective cover 45 is provided with heat dissipation holes, which correspond to the driving motor 46.

[0045] When in use, the second threaded rod 47 is driven to rotate by the driving motor 46, and the rotation of the second threaded rod 47 drives the control block to move on its outer wall, and the movement of the control block drives the moving seat 42 to move, and the movement of the moving seat 42 drives the first clamping plate 43 to move, and the first clamping plate 43 is moved to gradually approach the second clamping plate 44 until the first clamping plate 43 and the second clamping plate 44 clamp the tower crane body 2, and then the operation of the driving motor 46 can be stopped. By clamping the tower crane body 2, the connection between the tower crane body 2 and the steel beam plate 1 is strengthened, the possibility of the tower crane body 2 shaking is reduced, and the safety of the construction site and the accuracy of the operation are improved. By setting the protective cover 45, the heat generated by the driving motor 46 during operation can be discharged through the heat dissipation holes, thereby extending the service life of the driving motor 46.

[0046] See also Figure 1 , Figure 7 and Figure 8A lifting mechanism 5 for lifting the tower crane body 2 is arranged between the steel beam plate 1 and the tower crane body 2. The lifting mechanism 5 includes a cylinder 51 fixed to the top of the steel beam plate 1 and a contact plate 56 installed at the bottom of the tower crane body 2. A telescopic rod 57 is connected to the telescopic end of the cylinder 51. A support seat 54 is fixed to the top of the telescopic rod 57. The support seat 54 corresponds to the contact plate 56. A plurality of evenly distributed plug rods 55 are fixed to the bottom of the support seat 54. A reinforcement sleeve 52 is provided on the outer wall of the telescopic rod 57. A plurality of support columns 53 are connected between the reinforcement sleeve 52 and the cylinder 51, and a plurality of grooves for plugging the plug rods 55 are provided at the top of the reinforcement sleeve 52.

[0047] When in use, the mobile tower crane body 2 drives the resistance plate 56 to move, so that the resistance plate 56 corresponds to the support seat 54, and the telescopic rod 57 is driven to move upward by the cylinder 51, and the upward movement of the telescopic rod 57 drives the support seat 54 to move upward synchronously, until the support seat 54 drives the resistance plate 56 to move upward, so that the resistance plate 56 drives the tower crane body 2 to move upward synchronously, thereby realizing the lifting operation of the tower crane body 2, and then, the tower crane body 2 is driven downward by the cylinder 51, so that the tower crane body 2 falls into the interior of the clamping mechanism 4, so that the clamping mechanism 4 is convenient for clamping the tower crane body 2, reducing shaking and unstable factors during installation and disassembly, increasing the safety of the construction site, and at the same time reducing the collision and damage of the tower crane body 2 during installation and disassembly.

[0048] A construction method using a steel beam and a steel support as a foundation device of a tower crane comprises the following steps:

[0049] S1. First, the steel support plate 6 is pre-buried where it is needed, the mounting seat 34 is connected to the steel support plate 6 by bolts 35, and then the steel beam plate 1 is connected to the mounting seat 34 by a positioning mechanism;

[0050] S2. The positioning mechanism is driven by the driving mechanism to open and close, so that the steel beam plate 1 and the mounting seat 34 can be connected and disassembled according to needs, which is convenient for users to install the steel beam plate 1;

[0051] S3, placing the tower crane body 2 to be installed on the top of the steel beam plate 1, and clamping the bottom of the tower crane body 2 by the clamping mechanism 4, so as to reinforce the installation of the tower crane body 2;

[0052] S4, the control mechanism drives the movable seat 42 away from the fixed seat 41, so that the gap between the first clamping plate 43 and the second clamping plate 44 is gradually increased, thereby facilitating the installation and disassembly of the tower crane body 2 by the user;

[0053] The lifting mechanism 5 drives the support seat 54 to move upward at the bottom of the tower crane body 2 until the support seat 54 and the contact plate 56 contact each other, so that the tower crane body 2 is lifted synchronously. By lifting the tower crane body 2, it is convenient for users to install it and save labor costs.

[0054] By providing the reinforcement sleeve 52 , the support base 54 is made more stable during operation, thereby ensuring the stability of the tower crane body 2 during lifting.

[0055] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel beam and steel support as a foundation device for a tower crane, characterized in that: include: A steel beam plate (1), the bottom of the steel beam plate (1) being connected to a steel support plate (6), a conical block being installed at the bottom of the steel support plate (6), and a tower crane body (2) being arranged at the top of the steel beam plate (1); A connecting mechanism (3), the connecting mechanism (3) being located between a steel beam plate (1) and a steel support plate (6) and being used to strengthen the connection between the two, the connecting mechanism (3) comprising a threaded mechanism, a positioning mechanism and a driving mechanism, the threaded mechanism being located at the top of the steel support plate (6), the positioning mechanism being located at one side of the steel beam plate (1) and being used to position the threaded mechanism, the driving mechanism being located at one side of the steel beam plate (1) and being used to drive the positioning mechanism, the driving mechanism comprising an extension plate (31) and a fixing plate (32) fixed to the top of the steel beam plate (1), a first threaded rod (310) being connected between the extension plate (31) and the fixing plate (32), a moving block (33) being screwed to the outer wall of the first threaded rod (310), a moving plate (36) being fixed to the bottom of the moving block (33), the moving plate (36) and the connecting rod (37), the first threaded rod (310) extends to one side of the fixed plate (32) and is installed with a rotating disk, a handle is fixed to one side of the rotating disk, a fixed block (38) is fixed to one side of the moving block (33), a fixed rod (39) is connected between the extension plate (31) and the fixed plate (32), the fixed block (38) is sleeved on the outer wall of the fixed rod (39), the threaded mechanism includes a mounting groove opened at the bottom of the steel beam plate (1) and a mounting seat (34) arranged at the top of the steel support plate (6), a bolt (35) is screwed inside the mounting seat (34), and a threaded groove for screwing the bolt (35) is opened at the top of the steel support plate (6), and the positioning mechanism includes a connecting rod (37) plugged into one side of the steel beam plate (1), the connecting rod (37) extends to the inside of the mounting groove and is plugged into the mounting seat (34).

2. The steel beam and steel support as a basic device of a tower crane according to claim 1 is characterized in that: A clamping mechanism (4) for clamping the tower crane body (2) is arranged between the steel beam plate (1) and the tower crane body (2), the clamping mechanism (4) comprising a fixed seat (41) fixed to the top of the steel beam plate (1) and a second clamping plate (44) installed on one side of the fixed seat (41), a moving seat (42) is slidably installed on the top of the steel beam plate (1), a first clamping plate (43) is fixed on one side of the moving seat (42), the first clamping plate (43) corresponds to the second clamping plate (44), and the first clamping plate (43) and the second clamping plate (44) are respectively located on both sides of the tower crane body (2), and a control mechanism for controlling the moving seat (42) is arranged between the moving seat (42) and the steel beam plate (1).

3. The steel beam and steel support as a basic device of a tower crane according to claim 2 is characterized in that: The control mechanism comprises a control slot provided at the top of the steel beam plate (1) and a control block installed inside the control slot, the control block being fixed to the bottom of the movable seat (42), a second threaded rod (47) being rotatably installed inside the control slot, the control block being screwed to the outer wall of the second threaded rod (47), a drive motor (46) being installed at the top of the steel beam plate (1), an output end of the drive motor (46) being connected to the second threaded rod (47), and a protective cover (45) being installed on the outer wall of the drive motor (46), the protective cover (45) being connected to the steel beam plate (1), and a heat dissipation hole being provided on the outer wall of the protective cover (45), the heat dissipation hole corresponding to the drive motor (46).

4. The steel beam and steel support as a basic device for a tower crane according to claim 3 is characterized in that: A lifting mechanism (5) for lifting the tower crane body (2) is arranged between the steel beam plate (1) and the tower crane body (2), the lifting mechanism (5) comprising a cylinder (51) fixed to the top of the steel beam plate (1) and a contact plate (56) installed at the bottom of the tower crane body (2), the telescopic end of the cylinder (51) is connected to a telescopic rod (57), the top of the telescopic rod (57) is fixed to a support seat (54), and the support seat (54) corresponds to the contact plate (56).

5. The steel beam and steel support as a basic device of a tower crane according to claim 4, characterized in that: A plurality of evenly distributed insertion rods (55) are fixed to the bottom of the support seat (54), a reinforcement sleeve (52) is sleeved on the outer wall of the telescopic rod (57), a plurality of support columns (53) are connected between the reinforcement sleeve (52) and the cylinder (51), and a plurality of slots for the insertion rods (55) to be inserted are provided on the top of the reinforcement sleeve (52).

6. The construction method of using a steel beam and a steel support as a foundation device of a tower crane according to claim 5, characterized in that: The following steps are involved: S1. First, a steel support plate (6) is pre-buried at a location where it is needed, a mounting seat (34) is connected to the steel support plate (6) by means of bolts (35), and then a steel beam plate (1) is connected to the mounting seat (34) by means of a positioning mechanism; S2. The positioning mechanism is driven to open and close by the driving mechanism, so that the steel beam plate (1) and the mounting seat (34) can be connected and disassembled according to needs, which is convenient for users to install the steel beam plate (1); S3, placing the tower crane body (2) to be installed on the top of the steel beam plate (1), and clamping the bottom of the tower crane body (2) by means of the clamping mechanism (4), thereby reinforcing the installation of the tower crane body (2); S4, driving the movable seat (42) away from the fixed seat (41) through the control mechanism, so that the gap between the first clamping plate (43) and the second clamping plate (44) gradually increases, thereby facilitating the user to install and disassemble the tower crane body (2); The lifting mechanism (5) drives the support seat (54) to move upward at the bottom of the tower crane body (2) until the support seat (54) and the contact plate (56) contact each other, so that the tower crane body (2) is lifted synchronously. By lifting the tower crane body (2), it is convenient for users to install it, saving labor costs; By providing the reinforcement sleeve (52), the support seat (54) is made more stable during operation, thereby ensuring the stability of the tower crane body (2) during lifting.

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