CN216737299U

CN216737299U - Bracket of tower crane

Info

Publication number: CN216737299U
Application number: CN202220346729.4U
Authority: CN
Inventors: 张景猛; 张景永
Original assignee: Jinan Hengqi Construction Machinery Co ltd
Current assignee: Jinan Hengqi Construction Machinery Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-14
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a bracket of a tower crane, comprising a foundation bearing platform, the top of the foundation bearing platform is provided with a pre-embedded foundation section, the pre-embedded foundation section is connected by four buried bolts, and the A support frame is fixedly connected to the top of the pre-embedded foundation section, a slewing mechanism is fixedly installed on the outer surface of the top of the support frame, a mounting frame is fixedly connected to the top of the rotating mechanism, and one end of the installation frame is fixedly connected to a hoist The bottom of the boom is fixedly connected with two multi-section telescopic plates, and a lifting mechanism is arranged between the vertical plates. In the utility model, the multi-section telescopic rod improves the stability of lifting and lowering, and at the same time, the bracket body is convenient for hoisting the board. At the same time, the set bracket body can support the hoisted board, and then bind the board with ropes. It makes the hoisting more firm, and the rope will not be broken due to the excessive pressure of the rope, so that the board will fall and cause heavy losses.

Description

Bracket of tower crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a bracket of a tower crane.

Background

Tower cranes, also called tower cranes, are known for short and originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.

At present, the existing tower crane is commonly used for hoisting building materials and plates, when the building materials and the building materials are hoisted, the plates are generally bound by steel wire ropes, then the plates are hoisted by hooks, the hoisting is not stable enough, the pressure born by the ropes binding the plates during hoisting is overlarge, and once the binding ropes binding steel materials are broken, huge loss can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a bracket of a tower crane.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a tower crane's bracket, includes basic cushion cap, the top of basic cushion cap is provided with pre-buried basic festival, pre-buried basic festival buries the bolt through four and connects, the top fixedly connected with support frame of pre-buried basic festival, fixed mounting has rotation mechanism on the surface of the top of support frame, rotation mechanism's top fixedly connected with mounting bracket, the one end fixedly connected with jib loading boom of mounting bracket, two multisection expansion plates of the bottom fixedly connected with of jib loading boom, two be provided with hoist mechanism, two between the multisection expansion plate the bottom fixedly connected with connecting plate of multisection expansion plate, the bottom fixedly connected with bracket body of connecting plate.

Further, hoist mechanism includes the motor, motor fixed connection is at the top of jib loading boom, the output fixedly connected with pivot of motor, the bottom fixedly connected with initiative bevel gear of pivot, two rotate between the multisection expansion plate and be connected with the bull stick, fixedly connected with driven bevel gear is established to the outside cover of bull stick, fixedly connected with rolling wheel is established to the both ends cover of bull stick, the surface mounting of rolling wheel has wire rope, wire rope's bottom and the top fixed connection of connecting plate promote that can be quick for hoist building panel, the in-process of operation is more stable, and the effect is better, and the practicality is stronger.

Further, the other end fixedly connected with balance arm of mounting bracket, the top of balance arm is provided with the opening, the bottom of balance arm is provided with the weight box, be connected through the locking bolt between weight box and the balance arm, the inside of weight box is provided with a plurality of balancing weights, can guarantee to be in steady state at the in-process of hoist and mount, and the effect is better, and the practicality is stronger.

Furthermore, the driving bevel gear and the driven bevel gear are in meshed connection, so that the structure is simple, and mutual driving is facilitated.

Further, the bracket body comprises a bottom tray and two side baffles.

Further, the balance arm and the crane arm are kept in the same horizontal direction.

The utility model has the beneficial effects that:

according to the utility model, through the mutual matching of the multiple sections of the telescopic plates, the connecting plates and the bracket body, the multiple sections of the telescopic rods improve the lifting stability, meanwhile, the bracket body is convenient for hoisting plates, the hoisted plates can be supported through the bracket body, and then the plates are bound through the rope, so that the hoisting is firmer, and the phenomenon that the rope is broken due to overlarge rope pressure is avoided, so that the plates fall off and the heavy loss is caused.

Drawings

FIG. 1 is a schematic view of the overall structure of a tower crane bracket according to the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 of a tower crane carriage according to the present invention;

fig. 3 is a perspective view of a bracket body of a bracket of a tower crane according to the present invention.

Illustration of the drawings:

1. pre-burying a foundation section; 2. a base platform; 3. an underground bolt; 4. a support frame; 5. a balancing weight; 6. a weight box; 7. locking the bolt; 8. an opening; 9. a balance arm; 10. a mounting frame; 11. a swing mechanism; 12. a cargo boom; 13. a lifting mechanism; 131. a motor; 132. a winding wheel; 133. a wire rope; 134. a rotating shaft; 135. a drive bevel gear; 136. a driven bevel gear; 137. a rotating rod; 14. a multi-section expansion plate; 15. a connecting plate; 16. a bracket body.

Detailed Description

Referring to fig. 1-3, a bracket of a tower crane comprises a base bearing platform 2, a pre-buried base section 1 is arranged at the top of the base bearing platform 2, the pre-buried base section 1 is connected by four buried bolts 3, a support frame 4 is fixedly connected at the top of the pre-buried base section 1, a swing mechanism 11 is fixedly arranged on the outer surface of the top of the support frame 4, an installation frame 10 is fixedly connected at the top of the swing mechanism 11, one end of the installation frame 10 is fixedly connected with a crane boom 12, two multi-section expansion plates 14 are fixedly connected at the bottom of the crane boom 12, a lifting mechanism 13 is arranged between the two multi-section expansion plates 14, a connecting plate 15 is fixedly connected at the bottom of the two multi-section expansion plates 14, a bracket body 16 is fixedly connected at the bottom of the connecting plate 15, a balance arm 9 is fixedly connected at the other end of the installation frame 10, an opening 8 is arranged at the top of the balance arm 9, a weight box 6 is arranged at the bottom of the balance arm 9, weight box 6 is connected through locking bolt 7 with balance arm 9 between, and weight box 6's inside is provided with a plurality of balancing weights 5, and the size of opening 8 matches each other with weight box 6's installing port size, and bracket body 16 includes the tray and two side shields of bottom.

Referring to fig. 1-2, the lifting mechanism 13 includes a motor 131, the motor 131 is fixedly connected to the top of the boom 12, an output end of the motor 131 is fixedly connected with a rotating shaft 134, a driving bevel gear 135 is fixedly connected to the bottom of the rotating shaft 134, a rotating rod 137 is rotatably connected between the two multi-section expansion plates 14, a driven bevel gear 136 is fixedly connected to the outside of the rotating rod 137, a winding wheel 132 is fixedly connected to both ends of the rotating rod 137, a steel wire rope 133 is installed on the surface of the winding wheel 132, the bottom end of the steel wire rope 133 is fixedly connected to the top of the connecting plate 15, and the driving bevel gear 135 is in meshing connection with the driven bevel gear 136.

When the hoisting device is used, when plates and materials need to be hoisted, the plates do not need to be bound, the motor 131 is turned on, the motor 131 drives the rotating shaft 134 to rotate, the rotating shaft 134 can drive the driving bevel gear 135 to rotate when rotating, the driving bevel gear 135 and the driven bevel gear 136 are meshed with each other, so that the rotating rod 137 rotates on the multi-section expansion plate 14, the winding wheels 132 at two ends of the rotating rod 137 are driven to unwind the steel wire rope 133, the connecting plate 15 drives the bracket body 16 to move, when the building plates are hoisted, the building plates can be placed inside the bracket body 16, potential safety hazards caused by unstable gravity center in the hoisting process are reduced, the operation process is more convenient and faster, and the practicability is higher.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A bracket of tower crane, includes basic cushion cap (2), its characterized in that: the top of basic cushion cap (2) is provided with pre-buried basis festival (1), pre-buried basis festival (1) is connected through burying bolt (3) four times, top fixedly connected with support frame (4) of pre-buried basis festival (1), fixed mounting has rotation mechanism (11) on the top surface of support frame (4), top fixedly connected with mounting bracket (10) of rotation mechanism (11), one end fixedly connected with jib loading boom (12) of mounting bracket (10), two multisection expansion plates (14) of the bottom fixedly connected with of jib loading boom (12), two be provided with hoist mechanism (13), two between multisection expansion plate (14) the bottom fixedly connected with connecting plate (15) of multisection expansion plate (14), the bottom fixedly connected with bracket body (16) of connecting plate (15).

2. A tower crane carriage according to claim 1, wherein: the lifting mechanism (13) comprises a motor (131), the motor (131) is fixedly connected to the top of the crane boom (12), the output end of the motor (131) is fixedly connected with a rotating shaft (134), the bottom of the rotating shaft (134) is fixedly connected with a driving bevel gear (135), two rotating rods (137) are rotatably connected between the multiple sections of expansion plates (14), the outer portion of each rotating rod (137) is sleeved with a fixedly connected driven bevel gear (136), two ends of each rotating rod (137) are sleeved with fixedly connected winding wheels (132), steel wire ropes (133) are mounted on the surfaces of the winding wheels (132), and the bottom ends of the steel wire ropes (133) are fixedly connected with the top of the connecting plate (15).

3. A tower crane carriage according to claim 1, wherein: the other end fixedly connected with balance arm (9) of mounting bracket (10), the top of balance arm (9) is provided with opening (8), the bottom of balance arm (9) is provided with weight box (6), be connected through locking bolt (7) between weight box (6) and balance arm (9), the inside of weight box (6) is provided with a plurality of balancing weights (5).

4. A tower crane carriage according to claim 2, wherein: the driving bevel gear (135) is in meshed connection with the driven bevel gear (136).

5. A tower crane carriage according to claim 3 wherein: the size of the opening (8) is matched with the size of the mounting port of the weight box (6).

6. A tower crane carriage according to claim 1, wherein: the carrier body (16) includes a bottom tray and two side guards.