Foundation beam structure for tower crane

Abstract

The utility model relates to the technical field of tower cranes, and discloses a foundation beam structure for a tower crane, which comprises a supporting leg component, a fixing piece is fixedly connected to the outer side of the supporting leg component, and a reinforcing piece is fixedly connected to the inside of the fixing piece. According to the foundation beam structure for the tower crane, the supporting leg assemblies are of height-adjustable structures, when the flatness of a foundation pit is poor, the foundation is more stable by adjusting the height of each supporting leg assembly, when the height of the foundation of the tower crane needs to be adjusted, the four supporting leg assemblies are finely adjusted to reach the needed height, and when the height of the supporting leg assemblies is adjusted, the height of the foundation is adjusted. An electric tool is used for being connected with the hexagonal mounting rod, the heavy screw is rotated to drive the bottom column in threaded connection to move upwards or downwards along the sliding rod, and therefore the length of the supporting leg assembly is adjusted, the fixing rod slides in the adjusting groove conveniently during fine adjustment and height adjustment, and after adjustment is completed, the nut is used for being in threaded locking connection with the fixing rod. And the nuts and the reinforcing plates are welded through welding equipment, the bottom columns and the fixing columns are locked, and the structure is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to a foundation beam structure for tower cranes. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites. When building a tower crane, it is necessary to cast a building platform on the ground in advance, and then fix the steel structure foundation on the base, and then connect and fix the multiple foundation sections one by one on the steel structure foundation.

[0003] When a tower crane is being deployed and installed, the installation surface may be uneven or have a drop, which is not conducive to the stability of the tower crane. Therefore, a foundation beam structure for a tower crane is set up, which has the function of height fine-tuning to improve the stability of the tower crane. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a foundation beam structure for a tower crane, which can effectively solve the problems in the prior art that when a tower crane is deployed and installed, the installation surface is sometimes uneven and has a drop, which is not conducive to the stability of the tower crane.

[0005] The technical solution adopted by the utility model is: a foundation beam structure for a tower crane, comprising a leg assembly, the outer side of the leg assembly is fixedly connected to a fixing piece, and the inner side of the fixing piece is fixedly connected to a reinforcing piece;

[0006] The leg assembly includes a base plate, a base column, a fixing block, a fixing column, a fixing ear, a heavy-duty screw, a mounting rod, a sliding rod, a fixing rod, a reinforcement plate, an adjustment slot, a nut and a fixing angle steel. The upper end of the base plate is fixedly connected to the base column, the outer side of the base column is fixedly connected to the fixing block, a fixing column is arranged above the base column, the rear end and the right side of the fixing column are fixedly connected to the fixing ear, a heavy-duty screw is arranged inside the fixing column, the upper end of the heavy-duty screw is arranged, the upper end of the base column is fixedly connected to the sliding rod, the front end and the left side of the fixing column are fixedly connected to the fixing rod, the left side of the front end of the base column is fixedly connected to the reinforcement plate, an adjusting slot is opened on the surface of the reinforcement plate, a nut is arranged on the surface of the reinforcement plate, and the upper end of the fixing column is fixedly connected to the fixing angle steel.

[0007] Through the above technical solution, when the flatness of the foundation pit is poor, the foundation can be made more stable by adjusting the height of each leg assembly. When the height of the tower crane foundation needs to be adjusted, the four leg assemblies are fine-tuned to reach the required height.

[0008] Preferably, the leg assemblies are provided with four identical ones, and the fixing members are connected to the reinforcing members by welding.

[0009] Through the above technical solution, fixing parts and reinforcement parts are provided to improve the structural strength of the foundation beam structure.

[0010] Preferably, the fixing ears are connected to the fixing pieces by welding, and the reinforcing pieces are in a staggered structure.

[0011] Through the above technical solution, the fixing ears increase the welding contact area between the leg assembly and the fixing piece, thereby improving stability, and the reinforcing piece with a staggered structure has high structural strength.

[0012] Preferably, the base column is threadedly connected to the heavy screw rod, and the cross-section of the mounting rod is a hexagonal structure.

[0013] Through the above technical solution, when adjusting the height of the leg assembly, use an electric tool to connect the hexagonal mounting rod, rotate the heavy screw to drive the threaded bottom column to move up or down along the sliding rod, thereby adjusting the length of the leg assembly.

[0014] Preferably, four sliding rods are provided, and the sliding rods are slidably connected to the fixed columns.

[0015] Through the above technical solution, the limiting effect of the four sliding rods is good, so that the bottom column moves smoothly.

[0016] Preferably, the fixing rod is matched with the adjusting slot, and the nut is threadedly connected to the fixing rod.

[0017] Through the above technical solution, a reinforcement plate is set up. When the height is adjusted, the fixed rod slides in the adjustment groove. After the adjustment is completed, a nut is used to lock the fixed rod thread. Then, welding equipment is used to weld the nut to the reinforcement plate, and the base column and the fixed column are locked to ensure a stable structure.

[0018] Compared with the prior art, the utility model provides a foundation beam structure for a tower crane, which has the following beneficial effects:

[0019] 1. The tower crane uses a foundation beam structure with an outrigger assembly. The outrigger assembly is a height-adjustable structure. When the flatness of the foundation pit is poor, the foundation can be more stable by adjusting the height of each outrigger assembly. When the tower crane foundation height needs to be adjusted, the four outrigger assemblies are fine-tuned to the required height. Fixed ears are set to increase the welding contact area between the outrigger assembly and the fixing parts, thereby improving stability. The staggered structure reinforcement has high structural strength;

[0020] 2. The foundation beam structure of the tower crane is equipped with a heavy-duty screw. When adjusting the height of the leg assembly, use an electric tool to connect the hexagonal mounting rod, and turn the heavy-duty screw to drive the threaded bottom column to move up or down along the sliding rod, so as to adjust the length of the leg assembly. The adjustment method is simple and convenient for fine-tuning. A reinforcement plate is provided. When adjusting the height, the fixed rod slides in the adjustment groove. After the adjustment is completed, a nut is used to lock the fixed rod thread, and then the nut is welded to the reinforcement plate using welding equipment to lock the bottom column and the fixed column, so that the structure is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the disassembled structure of the leg assembly and the fixing parts of the utility model;

[0024] Figure 4 This is an enlarged structural diagram of the leg assembly of the utility model;

[0025] Figure 5 It is a schematic diagram of the disassembled structure of the leg assembly of the utility model.

[0026] Among them: 1. Leg assembly; 101. Base plate; 102. Bottom column; 103. Fixed block; 104. Fixed column; 105. Fixed ear; 106. Heavy screw; 107. Mounting rod; 108. Sliding rod; 109. Fixed rod; 110. Reinforcement plate; 111. Adjustment slot; 112. Nut; 113. Fixed angle steel; 2. Fixing parts; 3. Reinforcement parts. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1: Figure 1-5 As shown, the utility model provides a foundation beam structure for a tower crane, comprising a leg assembly 1, a fixing piece 2 fixedly connected to the outside of the leg assembly 1, and a reinforcing piece 3 fixedly connected to the inside of the fixing piece 2.

[0029] Specifically, the leg assembly 1 includes a base plate 101, a base column 102, a fixing block 103, a fixing column 104, a fixing ear 105, a heavy screw 106, a mounting rod 107, a slide rod 108, a fixing rod 109, a reinforcing plate 110, an adjustment slot 111, a nut 112 and a fixing angle steel 113. The upper end of the base plate 101 is fixedly connected to the base column 102, the outer side of the base column 102 is fixedly connected to the fixing block 103, the upper part of the base column 102 is provided with a fixing column 104, and the rear end and the right side of the fixing column 104 are fixed. The fixing ears 105 are connected, and a heavy screw 106 is arranged inside the fixing column 104. The upper end of the heavy screw 106 is provided with a mounting rod 107. The upper end of the bottom column 102 is fixedly connected to a sliding rod 108. The front end and the left side of the fixing column 104 are fixedly connected to a fixing rod 109. The left side of the front end of the bottom column 102 is fixedly connected to a reinforcing plate 110. An adjusting groove 111 is provided on the surface of the reinforcing plate 110. A nut 112 is provided on the surface of the reinforcing plate 110. The upper end of the fixing column 104 is fixedly connected to a fixing angle steel 113. The advantage is that a leg assembly 1 is provided, and the leg assembly 1 is a height-adjustable structure. When the flatness of the foundation pit is poor, the foundation can be made more stable by adjusting the height of each leg assembly 1. When the height of the tower crane foundation needs to be adjusted, the four leg assemblies 1 are fine-tuned to reach the required height.

[0030] Specifically, the leg assembly 1 is provided with four identical ones, and the fixing member 2 and the reinforcing member 3 are welded. The advantage is that the fixing member 2 and the reinforcing member 3 are provided to improve the structural strength of the foundation beam structure.

[0031] Specifically, the fixing ears 105 are welded to the fixing member 2, and the reinforcement member 3 is in a staggered structure. Advantages are that the fixing ears 105 are provided to increase the welding contact area between the leg assembly 1 and the fixing member 2, improve stability, and the reinforcement member 3 of the staggered structure has high structural strength.

[0032] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0033] Specifically, the bottom column 102 is threadedly connected with the heavy screw rod 106, and the cross section of the mounting rod 107 is a hexagonal structure. The advantage is that the heavy screw rod 106 is provided, and when adjusting the height of the leg assembly 1, an electric tool is used to connect the hexagonal mounting rod 107, and the heavy screw rod 106 is rotated to drive the threaded bottom column 102 to move upward or downward along the sliding rod 108, thereby adjusting the length of the leg assembly 1.

[0034] Specifically, four slide bars 108 are provided, and the slide bars 108 are slidably connected to the fixed column 104. The advantage is that four slide bars 108 are provided, the limiting effect is good, and the bottom column 102 moves smoothly.

[0035] Specifically, the fixing rod 109 is matched with the adjustment groove 111, and the nut 112 is threadedly connected with the fixing rod 109. The advantage is that the reinforcement plate 110 is provided, and the fixing rod 109 slides in the adjustment groove 111 when the height is adjusted. After the adjustment is completed, the nut 112 is threadedly locked and connected with the fixing rod 109, and then the nut is welded with the reinforcement plate 110 using welding equipment, and the bottom column 102 and the fixing column 104 are locked, and the structure is stable.

[0036] Working principle: When in use, when the flatness of the foundation pit is poor, adjust the height of the leg assembly 1, use an electric tool to connect the hexagonal mounting rod 107, turn the heavy screw 106 to drive the threaded bottom column 102 to move up or down along the slide rod 108, thereby adjusting the length of the leg assembly 1, and when adjusting the height, the fixed rod 109 slides in the adjustment groove 111. After the adjustment is completed, use the nut 112 to thread and lock the fixed rod 109, and then use welding equipment to weld the nut to the reinforcement plate 110, lock the bottom column 102 and the fixed column 104, and the structure is stable. Adjust the height of the four leg assemblies 1 to make the foundation beam structure more horizontal.

[0037] Although 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation beam structure for a tower crane, comprising a leg assembly (1), characterized in that: The outer side of the leg assembly (1) is fixedly connected to the fixing piece (2), and the inner side of the fixing piece (2) is fixedly connected to the reinforcing piece (3); The leg assembly (1) comprises a base plate (101), a base column (102), a fixing block (103), a fixing column (104), a fixing ear (105), a heavy screw rod (106), a mounting rod (107), a sliding rod (108), a fixing rod (109), a reinforcing plate (110), an adjustment slot (111), a nut (112) and a fixing angle steel (113), wherein the upper end of the base plate (101) is fixedly connected to the base column (102), the outer side of the base column (102) is fixedly connected to the fixing block (103), a fixing column (104) is arranged above the base column (102), and the rear end and the right side of the fixing column (104) are fixedly connected to the fixing block (103). The fixing ear (105) is connected to the fixing column (104), a heavy screw rod (106) is arranged inside the fixing column (104), and a mounting rod (107) is arranged at the upper end of the heavy screw rod (106). The upper end of the bottom column (102) is fixedly connected to the sliding rod (108), the front end and the left side of the fixing column (104) are fixedly connected to the fixing rod (109), the left side of the front end of the bottom column (102) is fixedly connected to the reinforcing plate (110), the surface of the reinforcing plate (110) is provided with an adjustment groove (111), the surface of the reinforcing plate (110) is provided with a nut (112), and the upper end of the fixing column (104) is fixedly connected to the fixing angle steel (113).

2. A foundation beam structure for a tower crane according to claim 1, characterized in that: The leg assembly (1) is provided with four identical ones, and the fixing member (2) and the reinforcing member (3) are connected by welding.

3. The foundation beam structure for a tower crane according to claim 1, characterized in that: The fixing ears (105) are connected to the fixing piece (2) by welding, and the reinforcing piece (3) is in a staggered structure.

4. The foundation beam structure for a tower crane according to claim 1, characterized in that: The bottom column (102) is threadedly connected to the heavy screw rod (106), and the cross-section of the mounting rod (107) is a hexagonal structure.

5. The foundation beam structure for a tower crane according to claim 1, characterized in that: Four sliding rods (108) are provided, and the sliding rods (108) are slidably connected to the fixed columns (104).

6. The foundation beam structure for tower crane according to claim 1, characterized in that: The fixing rod (109) is matched with the adjustment groove (111), and the nut (112) is threadedly connected to the fixing rod (109).

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