A tower base for a full slewing tower crane

Abstract

The utility model discloses a tower body base for full slewing tower crane belongs to full slewing tower crane technical field, and it includes support base, and the top of support base is overlapped with support frame, and the both sides of support frame are connected with L type board respectively, and one end of L type board is provided with the positioning board of joint with support base, and two limit clamping plates are slidably connected on support base, and two limit clamping plates are located at the other two sides of support frame respectively, and one end of limit clamping plate is provided with two auxiliary plates respectively towards two L type boards, and limit clamping plate can make auxiliary plate and L type board joint in activity, and the mobile control assembly of joint with two limit clamping plates is installed in support base. The utility model discloses through the clamping fixed operation of step by step, can effectively avoid the phenomenon that position deviation happens when support frame is assembled on support base, guarantees the stability after support frame and support base overlap fixed, and reduces the installation difficulty of the tower body base, guarantees the flexibility of the tower body base.

Description

Technical Field

[0001] This utility model relates to the field of full-slewing tower crane technology, specifically a tower base for a full-slewing tower crane. Background Technology

[0002] Tower cranes are indispensable and important equipment in many fields such as construction and equipment installation. Based on their slewing range, tower cranes are mainly divided into fixed slewing tower cranes and full slewing tower cranes. Among them, full slewing tower cranes have a superstructure that can achieve 360-degree unrestricted rotation, which greatly improves the flexibility and coverage of operations. They are especially suitable for occasions with limited space or requiring all-round lifting operations, and therefore have been widely used. The stable operation and safe operation of full slewing tower cranes largely depend on the design and performance of their tower base.

[0003] As the foundation of the entire tower crane system, the tower base not only needs to withstand the huge vertical loads from the superstructure and its hoisting loads, but also needs to resist the complex bending moments and overturning moments generated during operation. Currently, some tower bases are installed directly on the base frame embedded in the concrete foundation, with the standard tower section connected on top of the support. The tower base and the support frame are mainly fixed by bolts and welding. However, most tower bases do not have limiting structures, making it difficult to assist the support frame during assembly. This can lead to the tower base and support frame tilting during assembly, thus reducing the flexibility of the tower base. Utility Model Content

[0004] The purpose of this invention is to provide a tower base for a full-slewing tower crane to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A tower base for a full-slewing tower crane includes a support base, a support frame mounted on top of the support base, L-shaped plates connected to both sides of the support frame, a positioning plate at one end of each L-shaped plate that engages with the support base, two limiting plates slidably connected to the support base, the two limiting plates being located on the other two sides of the support frame, and two auxiliary plates at one end of each limiting plate facing the two L-shaped plates respectively. The limiting plates are movable, and during their movement, the limiting plates can engage with the auxiliary plates and L-shaped plates. A movement control component connected to the two limiting plates is installed inside the support base.

[0006] As a further preferred embodiment of this technical solution, the limiting plate is equipped with limiting bolts for fixed connection with the support base.

[0007] As a further preferred embodiment of this technical solution, the motion control component includes a fixed frame installed in a support base, a rotating plate rotatably connected to the fixed frame, and two movable plates symmetrically distributed on both sides of the rotating plate slidably connected to the fixed frame. One end of the two movable plates is rotatably connected to the rotating plate, and the other end of the two movable plates is respectively connected to two limit plates.

[0008] As a further preferred embodiment of this technical solution, a motor is installed inside the fixed frame, and the output shaft of the motor is connected to the rotating plate.

[0009] As a further preferred embodiment of this technical solution, a protrusion is provided at one end of the movable plate, and the movable plate is rotatably connected to the rotating plate through the protrusion.

[0010] As a further preferred embodiment of this technical solution, the connection point between the motor and the rotating plate is located at the center of the rotating plate, and the connection points between the two protrusions and the rotating plate are symmetrically distributed on both sides of the center of the rotating plate.

[0011] As a further preferred embodiment of this technical solution, the support base 1 is provided with four fixing bolts 2.

[0012] This utility model provides a tower base for a full-slewing tower crane, which has the following beneficial effects: 1. The support frame designed in this utility model is fixed to the support base by an L-shaped plate. The positioning plate on the L-shaped plate engages with the support base, and a movable limiting plate further secures the auxiliary plate to the L-shaped plate, reinforcing the connection between the L-shaped plate and the support base. This step-by-step engagement and fixing operation effectively prevents positional shifts when the support frame is assembled on the support base, ensuring the stability of the support frame after it is fixed to the support base. It also reduces the installation difficulty of the tower base and ensures its flexibility.

[0013] 2. The mobile control component designed in this utility model can simultaneously control the movement of two limit plates. It can not only engage the auxiliary plate on the limit plate with the L-shaped plate to fix the support frame, but also separate the auxiliary plate from the L-shaped plate to release the fixing effect of the limit plates on the support frame, making it convenient for the support frame to be replaced or repaired. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a cross-sectional schematic diagram of the support base of this utility model; Figure 3 This is a cross-sectional schematic diagram of the support frame of this utility model; Figure 4 This is a schematic diagram showing the connection relationship between the movable plate and the limiting plate of this utility model; Figure 5This is a schematic diagram of the three-dimensional structure of the mobile control component of this utility model.

[0015] In the diagram: 1. Support base; 2. Fixing bolt; 3. Support frame; 401. L-shaped plate; 402. Limiting plate; 403. Positioning plate; 404. Auxiliary plate; 5. Movement control assembly; 501. Fixing plate; 502. Moving plate; 503. Rotating plate; 504. Motor; 505. Protrusion; 6. Limiting bolt. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0017] This utility model provides a technical solution: such as Figures 1 to 5 As shown in this embodiment, a tower base for a full-slewing tower crane includes a support base 1, a support frame 3 is attached above the support base 1, and L-shaped plates 401 are connected to both sides of the support frame 3. One end of the L-shaped plate 401 is provided with a positioning plate 403 that engages with the support base 1. Two limiting plates 402 are slidably connected to the support base 1. The two limiting plates 402 are located on the other two sides of the support frame 3. One end of the limiting plates 402 is provided with two auxiliary plates 404 facing the two L-shaped plates 401 respectively. The limiting plates 402 are movable, and when the limiting plates 402 are movable, they can engage the auxiliary plates 404 with the L-shaped plates 401. A movement control component 5 connected to the two limiting plates 402 is installed inside the support base 1.

[0018] The support frame 3 is fixed to the support base 1 by the L-shaped plate 401, wherein the positioning plate 403 on the L-shaped plate 401 is engaged with the support base 1, and the auxiliary plate 404 is engaged with the L-shaped plate 401 by the movable limiting plate 402, which further strengthens the connection between the L-shaped plate 401 and the support base 1.

[0019] Its step-by-step snap-fit ​​fixing operation can effectively prevent the positional displacement of the support frame 3 when it is assembled on the support base 1, ensuring the stability of the support frame and the support base after they are connected and fixed, reducing the installation difficulty of the tower base, and ensuring the flexibility of the tower base.

[0020] The limiting plate 402 is equipped with limiting bolts 6 for fixed connection with the support base 1. The support base 1 has four fixing bolts 2.

[0021] When the limiting plate 402 moves to the position where the auxiliary plate 404 and the L-shaped plate 401 are engaged, the limiting plate 402 can be fixed to the support base 1 by the limiting bolt 6 to further enhance the stability of the support frame 3. In addition, after the limiting bolt 6 is removed, the limiting plate 402 will return to a movable state before the support frame 3 can be dismantled.

[0022] The motion control component 5 includes a fixed frame 501 installed in the support base 1. A rotating plate 503 is mounted on the fixed frame 501 and slidably connected to it. Two movable plates 502 are symmetrically distributed on both sides of the rotating plate 503 and slidably connected to the fixed frame 501. One end of the two movable plates 502 is rotatably connected to the rotating plate 503, and the other end of the two movable plates 502 is respectively connected to two limit plates 402.

[0023] The fixed plate 501 plays a guiding role in the movement of the movable plate 502, preventing the movable plate 502 from bumping or colliding during movement.

[0024] By controlling the rotation of the rotating plate 503, the movement of the two limiting plates 402 can be controlled simultaneously. For example, if the rotating plate 503 is rotated clockwise, the two limiting plates 402 will move towards the position of the support frame 3, thereby achieving the purpose of engaging the auxiliary plate 404 on the limiting plate 402 with the L-shaped plate 401. If the rotating plate 503 is rotated counterclockwise, the two limiting plates 402 will move away from the support frame 3, releasing the fixing effect of the limiting plates 402 on the support frame 3. This allows for the replacement or repair of the support frame 3, and also provides open space for the support frame 3 to be placed when it is installed.

[0025] A motor 504 is installed inside the fixed frame 501, and the output shaft of the motor 504 is connected to the rotating plate 503. A protrusion 505 is provided at one end of the movable plate 502, and the movable plate 502 is rotatably connected to the rotating plate 503 through the protrusion 505. The connection point between the motor 504 and the rotating plate 503 is located at the center of the rotating plate 503, and the connection points between the two protrusions 505 and the rotating plate 503 are symmetrically distributed on both sides of the center of the rotating plate 503.

[0026] This utility model provides a tower base for a full-slewing tower crane, and its specific working principle is as follows: When the support base 1 is connected to the support frame 3, the support frame 3 is placed on the support base 1. The support frame 3 is snapped into the support base 1 by the positioning plate 403. Then, the rotating plate 503 is driven to rotate by the motor 504. The rotating plate 503 drives the moving plate 502 to slide on the surface of the fixed plate 501 by the protrusion 505. The moving plate 502 will drive the limiting plate 402 to move on the support base 1. When the limiting plate 402 moves to the appropriate position, the auxiliary plate 404 on the surface of the limiting plate 402 will snap into the L-shaped plate 401. Then, the limiting plate 402 is locked to the surface of the support frame 3 by the limiting bolt 6.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tower base for a full slewing tower crane, comprising a support base (1), characterized in that: A support frame (3) is attached above the support base (1). L-shaped plates (401) are connected to both sides of the support frame (3). A positioning plate (403) is provided at one end of the L-shaped plate (401) and engages with the support base (1). Two limiting plates (402) are slidably connected on the support base (1). The two limiting plates (402) are located on the other two sides of the support frame (3). Two auxiliary plates (404) are provided at one end of the limiting plates (402) and face the two L-shaped plates (401). The limiting plates (402) are movable. When the limiting plates (402) are movable, the auxiliary plates (404) can engage with the L-shaped plates (401). A movement control component (5) connected to the two limiting plates (402) is installed inside the support base (1).

2. A tower base for a full circle tower crane according to claim 1, characterized in that The limiting plate (402) is equipped with limiting bolts (6) for fixed connection with the support base (1).

3. A tower base for a full circle tower crane according to claim 1 or 2, characterized in that The motion control component (5) includes a fixed frame (501) installed in the support base (1), a rotating plate (503) rotatably connected to the fixed frame (501), and two movable plates (502) symmetrically distributed on both sides of the rotating plate (503) slidably connected to the fixed frame (501). One end of the two movable plates (502) is rotatably connected to the rotating plate (503), and the other end of the two movable plates (502) is connected to two limiting plates (402) respectively.

4. A tower base for a full circle tower crane according to claim 3, characterized in that: The fixed frame (501) is equipped with a motor (504), and the output shaft of the motor (504) is connected to the rotating plate (503).

5. A tower base for a full circle tower crane according to claim 4, characterized in that: The movable plate (502) is provided with a protrusion (505) at one end, and the movable plate (502) is rotatably connected to the rotating plate (503) through the protrusion (505).

6. A tower base for a full circle tower crane according to claim 5, characterized in that: The connection point between the motor (504) and the rotating plate (503) is located at the center of the rotating plate (503), and the connection points between the two protrusions (505) and the rotating plate (503) are symmetrically distributed on both sides of the center of the rotating plate (503).

7. A tower base for a full circle tower crane according to claim 1, characterized in that: The support base (1) is provided with four fixing bolts (2).

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