Assembled and combined balance weight structure of tower crane

Abstract

The utility model discloses an assembled and combined tower crane counterweight structure which comprises a metal frame, a filling block is embedded in the metal frame, a plurality of clamping grooves are formed in the outer wall of the bottom of the metal frame, a plurality of clamping strips are fixedly connected to the outer wall of the top of the metal frame, and the clamping strips are connected with the clamping grooves in a clamped mode. Two clamping seats are fixedly connected to the outer wall of the top of the metal frame, side grooves are formed in the two ends of the outer wall of the bottom of the metal frame, a plurality of threaded rods are rotationally connected into the side grooves and connected with the clamping seats in a clamped mode, one end of each threaded rod is sleeved with a butterfly nut in a threaded mode, and a lifting ring is fixedly connected to the outer wall of the top of the metal frame. A bottom groove is formed in the bottom of the metal frame, and the hanging ring is located in the bottom groove. The clamping grooves of the upper metal frame are connected with the clamping strips of the lower metal frame in a clamped mode, then the threaded rods are pulled to be connected with the clamping bases in a clamped mode, and then the butterfly nuts are screwed, so that the assembling stability of the balance weight structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to an assembled tower crane counterweight structure. Background Art

[0002] Counterweight block, that is, counterweight structure. At present, the counterweight structure of tower crane is mainly installed at the end of the balance arm to ensure balance.

[0003] After searching, a Chinese patent with publication number CN218909693U discloses a spliced ​​counterweight block for a tower crane. The above patent realizes the function of assembling and combining two counterweight blocks by a structural scheme of plugging a pull hole and a pull rod. However, since the connection range between the pull rod and the counterweight block located below is small, the assembly and combination of the two counterweight blocks is unstable. Therefore, in order to advance the technology of the industry, better realize the assembly and combination function of the counterweight blocks, and improve the competitiveness of core technologies, this application proposes a new implementation scheme that is different from the existing counterweight block assembly and combination method. Utility Model Content

[0004] The utility model aims to solve the problem that the assembly and combination of two counterweight blocks is unstable during the use of the existing counterweight blocks, and proposes an assembled tower crane counterweight structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A counterweight structure of an assembled tower crane comprises a metal frame, a filling block is embedded in the metal frame, a plurality of slots are arranged on the bottom outer wall of the metal frame, a plurality of clips are fixedly connected to the top outer wall of the metal frame, the clips are clipped with the slots, two clip seats are fixedly connected to the top outer wall of the metal frame, side grooves are arranged at both ends of the bottom outer wall of the metal frame, a plurality of threaded rods are rotatably connected in the side grooves, the threaded rods are clipped with the clip seats, and a butterfly nut is threadedly sleeved at one end of the threaded rod.

[0007] Furthermore, a lifting ring is fixedly connected to the top outer wall of the metal frame.

[0008] Furthermore, a bottom groove is provided at the bottom of the metal frame, and the hanging ring is located in the bottom groove.

[0009] Furthermore, a plurality of supporting ribs are fixedly connected between the card holder and the metal frame.

[0010] Furthermore, a plurality of longitudinal screws are inserted between the top and the bottom of the metal frame, and the longitudinal screws pass through the filling blocks.

[0011] Furthermore, a plurality of transverse screws are inserted between the two ends of the metal frame, and the transverse screws pass through the filling blocks.

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

[0013] 1. By connecting the slot of the upper metal frame with the strip of the lower metal frame, turning the threaded rod to connect it with the base, and then tightening the butterfly nut, the stability of the counterweight structure assembly is improved.

[0014] 2. The integrity between the metal frame and the filling block is enhanced by the longitudinal screws and the transverse screws, thereby making the connection between the metal frame and the filling block more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a left-side three-dimensional structural diagram of an assembled tower crane counterweight structure proposed by the utility model;

[0016] Figure 2 It is a right-side three-dimensional structural schematic diagram of an assembled tower crane counterweight structure proposed by the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of an assembled tower crane counterweight structure proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of an assembled three-dimensional structure of an assembled tower crane counterweight structure.

[0019] In the figure: 1. Metal frame; 2. Filling block; 3. Card slot; 4. Card strip; 5. Card seat; 6. Side slot; 7. Threaded rod; 8. Butterfly nut; 9. Lifting ring; 10. Bottom slot; 11. Support rib; 12. Longitudinal screw; 13. Horizontal screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4A tower crane counterweight structure for assembly and combination includes a metal frame 1, a filling block 2 is embedded in the metal frame 1, a plurality of slots 3 are provided on the bottom outer wall of the metal frame 1, a plurality of clips 4 are welded on the top outer wall of the metal frame 1, the clips 4 are clipped with the slots 3, the clips 3 of the upper metal frame 1 are clipped with the clips 4 of the lower metal frame 1, so as to assemble the upper and lower counterweight structures, two clip seats 5 are welded on the top outer wall of the metal frame 1, side grooves 6 are provided at both ends of the bottom outer wall of the metal frame 1, a plurality of threaded rods 7 are rotatably connected in the side grooves 6, the threaded rods 7 are clipped with the clip seats 5, a butterfly nut 8 is threadedly sleeved on one end of the threaded rod 7, the threaded rod 7 is pulled to clip with the clip seat 5, and then the butterfly nut 8 is tightened, so as to improve the stability of the assembly of the counterweight structure.

[0022] A lifting ring 9 is welded to the top outer wall of the metal frame 1, and a bottom groove 10 is provided at the bottom of the metal frame 1. The lifting ring 9 is located in the bottom groove 10. The design of the bottom groove 10 facilitates the placement of the lifting ring 9 when multiple counterweight structures are assembled up and down. A plurality of supporting ribs 11 are welded between the base 5 and the metal frame 1. A plurality of longitudinal screws 12 are inserted between the top and bottom of the metal frame 1, and the longitudinal screws 12 pass through the filling block 2. A plurality of transverse screws 13 are inserted between the two ends of the metal frame 1. The longitudinal screws 12 and the transverse screws 13 enhance the integrity between the metal frame 1 and the filling block 2, thereby making the connection between the metal frame 1 and the filling block 2 more stable, and the transverse screws 13 pass through the filling block 2.

[0023] The working principle of this embodiment is as follows: when in use, the slot 3 of the upper metal frame 1 is engaged with the bar 4 of the lower metal frame 1 to assemble the upper and lower counterweight structures, then the threaded rod 7 is turned to engage with the socket 5, and then the butterfly nut 8 is tightened to enhance the stability of the assembly of the counterweight structure, and then the integrity between the metal frame 1 and the filling block 2 is enhanced by the longitudinal screws 12 and the transverse screws 13, thereby making the connection between the metal frame 1 and the filling block 2 more stable.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An assembled tower crane counterweight structure, comprising a metal frame (1), characterized in that: A filling block (2) is embedded in the metal frame (1); a plurality of slots (3) are provided on the bottom outer wall of the metal frame (1); a plurality of clip strips (4) are fixedly connected to the top outer wall of the metal frame (1); the clip strips (4) are clipped with the slots (3); two clip seats (5) are fixedly connected to the top outer wall of the metal frame (1); side grooves (6) are provided at both ends of the bottom outer wall of the metal frame (1); a plurality of threaded rods (7) are rotatably connected in the side grooves (6); the threaded rods (7) are clipped with the clip seats (5); and a butterfly nut (8) is threadedly sleeved on one end of the threaded rod (7).

2. The assembled tower crane counterweight structure according to claim 1, characterized in that: A lifting ring (9) is fixedly connected to the top outer wall of the metal frame (1).

3. The assembled tower crane counterweight structure according to claim 2, characterized in that: A bottom groove (10) is provided at the bottom of the metal frame (1), and the hanging ring (9) is located in the bottom groove (10).

4. The assembled tower crane counterweight structure according to claim 1, characterized in that: A plurality of supporting ribs (11) are fixedly connected between the card seat (5) and the metal frame (1).

5. The assembled tower crane counterweight structure according to claim 1, characterized in that: A plurality of longitudinal screws (12) are inserted between the top and the bottom of the metal frame (1), and the longitudinal screws (12) pass through the filling blocks (2).

6. The assembled tower crane counterweight structure according to claim 1, characterized in that: A plurality of transverse screws (13) are inserted between the two ends of the metal frame (1), and the transverse screws (13) pass through the filling blocks (2).

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