Tower crane installation leveling device

By combining hydraulic cylinders and a level, the automatic leveling and enhanced stability of the tower crane mounting base are achieved, solving the problems of cumbersome operation and insufficient stability of existing tower crane devices, and realizing efficient and stable tower crane installation.

CN223823257UActive Publication Date: 2026-01-23WEIFANG KAITIAN CONSTRUCTION ENGINEERING SUPPORT CO LTD
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Patent Information

Application Number
CN202520031293.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-23
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing tower crane installation and leveling devices are cumbersome to operate, increase the labor intensity of workers, cannot be fine-tuned under special terrain or space constraints, and lack stability.

Method used

The system employs a combination of hydraulic cylinders and a level to achieve independent adjustment and enhanced stability of the mounting base. By inserting fixed pins into the soil, using hydraulic cylinders to move the push plate and raising and lowering the casters, and combining this with a rotating box, the tower crane components can be finely adjusted and rotated stably.

Benefits of technology

It reduces the labor intensity of workers, improves the leveling efficiency and stability of tower crane installation, and adapts to the installation needs of different terrains and spaces.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223823257U_ABST
Patent Text Reader

Abstract

The utility model relates to a tower crane installation leveling device which comprises an installation base, leveling supporting legs are fixedly connected to the four corners of the bottom of the installation base, a gradienter is fixedly connected to the top of the installation base, a rotating box is arranged on the rear side of the gradienter, a transmission shaft is arranged in the rotating box, and a bearing supporting plate is fixedly connected to the top of the transmission shaft. The four corners of the mounting base can be independently adjusted by arranging the first hydraulic oil cylinders, the first hydraulic oil cylinders are matched with a gradienter for use, so that the whole mounting base is conveniently leveled, workers do not need to use auxiliary tools for frequent adjustment, the labor intensity of the workers is reduced, and the working efficiency is improved. And meanwhile, during leveling operation, fixing inserting feet can be inserted into soil, the overall stability of the device can be improved conveniently, a second hydraulic oil cylinder is arranged to drive a push plate to move, a protruding block can be inserted into a notch conveniently, and the situation that the levelness is affected due to position deviation of a positioning column is avoided.
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Description

Technical Field

[0001] This utility model relates to a leveling device, specifically a tower crane installation leveling device, belonging to the field of tower crane leveling technology. Background Technology

[0002] Tower cranes are the most commonly used lifting equipment on construction sites, also known as "tower cranes". Tower cranes are an indispensable piece of equipment on construction sites. The installation of tower cranes is relatively complex and strict. When installing a tower crane, the base is usually installed first, and then it is raised and lengthened section by section. Leveling operations are required during the installation of the tower crane.

[0003] The existing tower crane installation leveling device with publication number CN218786483U is a tower crane installation leveling device that replaces manual leveling, has high leveling efficiency, and saves manpower. However, the adjustment steps are relatively cumbersome, which increases the labor intensity of the workers. Moreover, it does not have the function of fine-tuning the direction of the tower crane installation components. In some special terrain or space constraints, it may be necessary to change the installation or dismantling direction of the tower crane to adapt to the site environment. Utility Model Content

[0004] The purpose of this utility model is to provide a tower crane installation leveling device to solve the above-mentioned problems. By setting a first hydraulic cylinder, the four corners of the installation base can be adjusted independently. When used in conjunction with a level, it is convenient to perform overall leveling operations on the installation base without the need for workers to use auxiliary tools for frequent adjustments, thus reducing the labor intensity of workers. At the same time, during the leveling operation, the fixing pins can be inserted into the soil to improve the overall stability of the device. By setting a second hydraulic cylinder, the push plate can be moved to facilitate the insertion of the protrusion into the slot, preventing the positioning column from shifting and affecting the levelness.

[0005] This utility model achieves the above-mentioned objective through the following technical solution: a tower crane installation and leveling device, including an installation base, leveling legs fixedly connected to the four corners of the bottom of the installation base, a level fixedly connected to the top of the installation base, a rotating box provided behind the level, a drive shaft provided inside the rotating box, a load-bearing plate fixedly connected to the top of the drive shaft, and a tower crane assembly fixedly connected to the top of the load-bearing plate.

[0006] Preferably, a bearing seat is fixedly connected to the top of the rotating box, and a steel ball is provided inside the bearing seat. The top of the steel ball is in rolling connection with the bottom of the pallet.

[0007] Preferably, a partition is fixedly connected inside the rotating box, and a drive motor is fixedly connected to both sides of the bottom of the partition. A first gear is fixedly connected to the output end of the drive motor, and a second gear is meshed with the first gear. The shaft of the second gear is fixedly connected to the drive shaft.

[0008] Preferably, a horizontal plate is fixedly connected inside the leveling outrigger, and a first hydraulic cylinder is fixedly connected to both sides of the top of the horizontal plate, with a fixing plate fixedly connected to the end of the first hydraulic cylinder.

[0009] Preferably, the bottom of the fixing plate is fixedly connected to a fixing pin, the top of the fixing plate is fixedly connected to a positioning post, the positioning post is slidably connected to the horizontal plate, and a slot is opened on one side of the positioning post.

[0010] Preferably, the leveling outrigger is internally fixedly connected to a mounting bracket, the mounting bracket is internally fixedly connected to a second hydraulic cylinder, the end of the second hydraulic cylinder is fixedly connected to a push plate, a protrusion is fixedly connected to one side of the bottom of the push plate, the size of the protrusion matches the size of the slot, and a sliding rod is fixedly connected to the other side of the bottom of the push plate, the sliding rod being slidably connected to the mounting bracket.

[0011] Preferably, a third hydraulic cylinder is provided on one side of the first hydraulic cylinder, and a caster wheel is fixedly connected to the end of the third hydraulic cylinder.

[0012] The beneficial effects of this utility model are:

[0013] This invention features a first hydraulic cylinder that allows independent adjustment of the four corners of the mounting base. When used in conjunction with a level, it facilitates overall leveling of the mounting base, eliminating the need for frequent adjustments using auxiliary tools and reducing worker workload. During leveling, the fixing pins can be inserted into the soil, improving the overall stability of the device. A second hydraulic cylinder moves the push plate, allowing the protrusions to insert into the slots and preventing the positioning columns from shifting and affecting levelness. A third hydraulic cylinder drives the casters for lifting and lowering, facilitating the movement of the mounting base. A rotating box allows the tower crane assembly to rotate, enabling fine-tuning of its installation direction. A bearing seat beneath the load-bearing plate improves the rotational stability of the tower crane assembly and prevents the load-bearing plate from tilting or collapsing under stress. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of the rotating box of this utility model.

[0016] Figure 3 This is a schematic diagram of the internal structure of the leveling support leg of this utility model.

[0017] The following are the labels in the diagram: 1. Mounting base; 2. Leveling outrigger; 3. Level; 4. Rotary box; 5. Load-bearing support plate; 6. Tower crane assembly; 7. Bearing seat; 8. First gear; 9. Second gear; 10. First hydraulic cylinder; 11. Fixing plate; 12. Positioning column; 13. Second hydraulic cylinder; 14. Third hydraulic cylinder. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Please refer to Example 1 Figure 1-3 As shown, a tower crane installation and leveling device includes an installation base 1, leveling legs 2 fixedly connected to the four corners of the bottom of the installation base 1, a level 3 fixedly connected to the top of the installation base 1, a rotating box 4 provided behind the level 3, a drive shaft provided inside the rotating box 4, a load-bearing plate 5 fixedly connected to the top of the drive shaft, and a tower crane assembly 6 fixedly connected to the top of the load-bearing plate 5.

[0020] Specifically, the top of the rotating box 4 is fixedly connected to a bearing seat 7, and the bearing seat 7 contains steel balls. The top of the steel balls is in rolling contact with the bottom of the support plate. A partition is fixedly connected inside the rotating box 4, and a drive motor is fixedly connected to both sides of the bottom of the partition. A first gear 8 is fixedly connected to the output end of the drive motor, and the first gear 8 meshes with a second gear 9. The shaft of the second gear 9 is fixedly connected to a drive shaft. A horizontal plate is fixedly connected inside the leveling support leg 2, and a first hydraulic cylinder 10 is fixedly connected to both sides of the top of the horizontal plate. A hydraulic cylinder 10 has a fixed plate 11 fixedly connected to its end. A fixed pin is fixedly connected to the bottom of the fixed plate 11, and a positioning post 12 is fixedly connected to the top of the fixed plate 11. The positioning post 12 is slidably connected to a horizontal plate. A slot is provided on one side of the positioning post 12. A mounting bracket is fixedly connected inside the leveling support leg 2. A second hydraulic cylinder 13 is fixedly connected inside the mounting bracket. A push plate is fixedly connected to the end of the second hydraulic cylinder 13. A protrusion is fixedly connected to one side of the bottom of the push plate. The size of the protrusion matches the size of the slot. A sliding rod is fixedly connected to the other side of the bottom, and the sliding rod is slidably connected to the mounting frame. A third hydraulic cylinder 14 is provided on one side of the first hydraulic cylinder 10. A universal wheel is fixedly connected to the end of the third hydraulic cylinder 14. By setting the first hydraulic cylinder 10, the four corners of the mounting base 1 can be adjusted independently. When used in conjunction with the level 3, it is convenient to level the entire mounting base 1 without the need for workers to use auxiliary tools for frequent adjustments, thus reducing the labor intensity of workers. At the same time, when performing the leveling operation, the fixed pin can be inserted into the soil to improve the overall stability of the device. By setting the second hydraulic cylinder 13, the push plate can be moved to facilitate the insertion of the protrusion into the slot, preventing the positioning column 12 from shifting position and affecting the levelness. By setting the third hydraulic cylinder 14, the universal wheel can be raised and lowered to facilitate the movement of the mounting base 1. By setting the rotating box 4, the tower crane assembly 6 can be rotated to facilitate the fine adjustment of the installation direction of the tower crane assembly 6. By setting the bearing seat 7 under the load-bearing plate 5, the rotational stability of the tower crane assembly 6 can be improved, and the load-bearing plate 5 can be prevented from tilting or even collapsing under the force.

[0021] In use, this utility model allows for independent adjustment of the four corners of the mounting base 1 by setting the first hydraulic cylinder 10. When used in conjunction with the level 3, it facilitates the overall leveling of the mounting base 1 without requiring frequent adjustments by workers using auxiliary tools, thus reducing the labor intensity of workers. At the same time, during the leveling operation, the fixing pins can be inserted into the soil to improve the overall stability of the device. The second hydraulic cylinder 13 can drive the push plate to move, making it easier for the protrusion to be inserted into the slot and preventing the positioning column 12 from shifting and affecting the levelness. The third hydraulic cylinder 14 can drive the casters to lift and lower, facilitating the movement of the mounting base 1. The rotating box 4 can drive the tower crane assembly 6 to rotate, facilitating fine-tuning of the installation direction of the tower crane assembly 6. The bearing seat 7 located under the load-bearing plate 5 can improve the rotational stability of the tower crane assembly 6 and prevent the load-bearing plate 5 from tilting or even collapsing under stress.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects. The scope of this invention is defined by the appended claims rather than the foregoing description. Therefore, it is intended to encompass all variations falling within the meaning and scope of equivalents of the claims within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0023] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tower crane installation and leveling device, comprising an installation base (1), characterized in that: The mounting base (1) has leveling legs (2) fixedly connected at the four corners of the bottom. The mounting base (1) has a level (3) fixedly connected at the top. The level (3) has a rotating box (4) on the back side. The rotating box (4) has a drive shaft inside. The drive shaft has a load-bearing plate (5) fixedly connected at the top. The load-bearing plate (5) has a tower crane assembly (6) fixedly connected at the top.

2. The tower crane installation leveling device according to claim 1, characterized in that: The top of the rotating box (4) is fixedly connected to the bearing seat (7), and the bearing seat (7) is provided with steel balls. The top of the steel balls is rolledly connected to the bottom of the tray.

3. The tower crane installation leveling device according to claim 1, characterized in that: The rotating box (4) is fixedly connected to a partition, and a transmission motor is fixedly connected to both sides of the bottom of the partition. A first gear (8) is fixedly connected to the output end of the transmission motor. A second gear (9) is meshed with the first gear (8). The shaft of the second gear (9) is fixedly connected to the transmission shaft.

4. The tower crane installation leveling device according to claim 1, characterized in that: The leveling support leg (2) is internally fixedly connected to a horizontal plate, and the top two sides of the horizontal plate are fixedly connected to a first hydraulic cylinder (10), and the end of the first hydraulic cylinder (10) is fixedly connected to a fixing plate (11).

5. A tower crane installation leveling device according to claim 4, characterized in that: The bottom of the fixing plate (11) is fixedly connected with a fixing pin, and the top of the fixing plate (11) is fixedly connected with a positioning post (12). The positioning post (12) is slidably connected to the horizontal plate, and a slot is opened on one side of the positioning post (12).

6. A tower crane installation leveling device according to claim 5, characterized in that: The leveling support leg (2) is fixedly connected to a mounting bracket, and the mounting bracket is fixedly connected to a second hydraulic cylinder (13). The end of the second hydraulic cylinder (13) is fixedly connected to a push plate. A protrusion is fixedly connected to one side of the bottom of the push plate. The size of the protrusion matches the size of the slot. A sliding rod is fixedly connected to the other side of the bottom of the push plate. The sliding rod is slidably connected to the mounting bracket.

7. A tower crane installation leveling device according to claim 4, characterized in that: A third hydraulic cylinder (14) is provided on one side of the first hydraulic cylinder (10), and a universal wheel is fixedly connected to the end of the third hydraulic cylinder (14).

Citation Information

Patent Citations

  • Tower crane installation leveling device

    CN218786483U