CN219116986U

CN219116986U - Lifting mechanism of bridge crane

Info

Publication number: CN219116986U
Application number: CN202223193483.0U
Authority: CN
Inventors: 陆斌; 王亚平
Original assignee: Changzhou Gangsheng Electromechanical Equipment Co ltd
Current assignee: Changzhou Gangsheng Electromechanical Equipment Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-02
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a lifting mechanism of a bridge crane, which comprises a sliding frame and a track, wherein a lifting mechanism is arranged at the lower end of the sliding frame and comprises a bottom plate fixedly arranged at the lower end of the sliding frame, a bearing is fixedly arranged at the lower end of the bottom plate, a rotating shaft is movably arranged at the inner side of the bearing, a reel is fixedly arranged at one side, close to the bearing, of the outer side of the rotating shaft, a rope is movably arranged at the outer side of the reel, a hook is fixedly arranged at the lower end of the rope, and a fixing frame is fixedly arranged at the bottom of the inner side of the hook. According to the lifting mechanism of the bridge crane, the movable block is rotated for twenty degrees, so that the control block corresponds to the control groove, and then the control ring is pushed, so that the control ring inserts the control block into the inner side of the control groove, the rotation of the movable block is limited, the steel cable is limited into the inner side of the hook firmly by the limiting rod, and the condition that the steel cable falls off is avoided.

Description

Lifting mechanism of bridge crane

Technical Field

The utility model relates to the technical field of bridge cranes, in particular to a lifting mechanism of a bridge crane.

Background

The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The hoisting machine has the advantages of being the hoisting machine with the widest application range and the largest number;

the lifting mechanism of the traditional bridge crane has some defects, when the lifting mechanism is used, as the hook of the lifting mechanism hooks an article through the steel cable, and the hook limits the steel cable through the spring buckle, the spring buckle is influenced by the elasticity of the spring, so that limitation is not firm, and the condition that the steel cable falls off due to reduction of the elasticity of the spring easily occurs.

Disclosure of Invention

The utility model mainly aims to provide a lifting mechanism of a bridge crane, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a hoisting mechanism of bridge crane, includes balladeur train, track, the lower extreme of balladeur train is provided with climbing mechanism, climbing mechanism is including the fixed bottom plate that sets up at the balladeur train lower extreme, the fixed bearing that is provided with of lower extreme of bottom plate, the inboard activity of bearing is provided with the axis of rotation, the outside of axis of rotation is close to the fixed reel that is provided with in one side of bearing, the outside activity of reel is provided with the rope, the fixed couple that is provided with of lower extreme of rope, the fixed mount that is provided with in inboard bottom of couple, the inboard activity of mount is provided with the movable block, the fixed screw shaft that is provided with in inside of movable block, the fixed limiting rod that is provided with of upper end of movable block, the screw shaft extends to the inside of mount, swing joint between screw shaft and the mount, the spout has been seted up to the upper end of screw shaft, the inboard slip of spout is provided with the slider, the outside slip of screw shaft is provided with the control loop, the control groove has been seted up to one end of mount, the inboard activity of control groove is provided with the control block.

Preferably, a nut is arranged on one side, close to the control ring, of the outer side of the threaded shaft in a threaded manner, and a motor is fixedly arranged on one side, close to the bearing, of the lower end of the bottom plate.

Preferably, one end of the rope is fixedly connected with the inner side inner wall of the reel, and the upper end of the sliding block is fixedly connected with the inner side top of the inner side of the control ring.

Preferably, one end of the control block is fixedly connected with one end of the control ring, one end of the nut is movably connected with the other end of the control ring, and one end of the rotating shaft is arranged at one end of the motor.

Preferably, the inner side of the sliding frame is in sliding connection with the outer side of the rail, and the lower end of the rail is fixedly provided with a supporting frame.

Preferably, the lower extreme of support frame is fixed and is provided with the base, the quantity of support frame, base has two sets of.

Compared with the prior art, the utility model has the following beneficial effects:

1. the movable block is rotated for twenty degrees so that the control block corresponds to the control groove, and then the control ring is pushed so that the control ring inserts the control block into the inner side of the control groove, so that the rotation of the movable block is limited, the aim of conveniently limiting the steel cable into the inner side of the hook by the limiting rod is fulfilled, and the condition that the steel cable falls off is avoided.

2. The sliding frame is pushed to slide along the track, so that the aim of conveniently moving the lifting position can be fulfilled.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a lifting mechanism of a bridge crane according to the present utility model;

FIG. 2 is a schematic diagram of a lifting mechanism of a bridge crane according to the present utility model;

FIG. 3 is a schematic diagram of a lifting mechanism of a bridge crane according to the present utility model;

fig. 4 is a schematic diagram of a part of a lifting mechanism of a bridge crane according to the second embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the A part of the lifting mechanism of the bridge crane;

fig. 6 is an enlarged schematic view of a B part of a lifting mechanism of a bridge crane according to the present utility model.

In the figure: 1. a carriage; 2. a track; 3. a support frame; 4. a base; 5. a lifting mechanism; 51. a bottom plate; 52. a bearing; 53. a rotating shaft; 54. a reel; 55. a rope; 56. a hook; 57. a fixing frame; 58. a movable block; 59. a threaded shaft; 510. a limiting rod; 511. a chute; 512. a slide block; 513. a control loop; 514. a control groove; 515. a control block; 516. a nut; 517. and a motor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-6, a lifting mechanism of a bridge crane comprises a carriage 1 and a track 2, wherein a lifting mechanism 5 is arranged at the lower end of the carriage 1, the lifting mechanism 5 comprises a bottom plate 51 fixedly arranged at the lower end of the carriage 1, a bearing 52 is fixedly arranged at the lower end of the bottom plate 51, a rotating shaft 53 is movably arranged at the inner side of the bearing 52, a reel 54 is fixedly arranged at one side, close to the bearing 52, of the outer side of the rotating shaft 53, a rope 55 is movably arranged at the outer side of the reel 54, a hook 56 is fixedly arranged at the lower end of the rope 55, a fixing frame 57 is fixedly arranged at the inner side bottom of the hook 56, a movable block 58 is movably arranged at the inner side of the fixing frame 57, a threaded shaft 59 is fixedly arranged in the movable block 58, a limiting rod 510 is fixedly arranged at the upper end of the movable block 58, the threaded shaft 59 extends into the fixing frame 57, the threaded shaft 59 is movably connected with the fixing frame 57, a sliding groove 511 is formed at the upper end of the threaded shaft 59, a sliding block 512 is slidably arranged at the inner side of the sliding groove 511, a control ring 513 is slidably arranged at the outer side of the threaded shaft 59, a control groove 514 is formed at one end of the fixing frame 57, and a control block 515 is movably arranged at the inner side of the control groove 514.

In this embodiment, a nut 516 is screwed on one side of the outer side of the threaded shaft 59, which is close to the control ring 513, a motor 517 is fixedly arranged on one side of the lower end of the bottom plate 51, which is close to the bearing 52, one end of the rope 55 is fixedly connected with the inner wall of the reel 54, the upper end of the slider 512 is fixedly connected with the inner top of the inner side of the control ring 513, one end of the control block 515 is fixedly connected with one end of the control ring 513, one end of the nut 516 is movably connected with the other end of the control ring 513, and one end of the rotating shaft 53 is installed at one end of the motor 517.

Specifically, the object is fixed on the surface of the steel cable, the steel cable is hung in the inner side of the hook 56, the limiting rod 510 is rotated again, the limiting rod 510 drives the movable block 58 to rotate, the movable block 58 rotates by twenty degrees, the movable block 58 drives the threaded shaft 59 to rotate, meanwhile, the threaded shaft 59 drives the control ring 513 to rotate by twenty degrees through the sliding block 512, so that the control ring 515 corresponds to the control groove 514, at the moment, the control ring 513 is pushed again, so that the control ring 513 drives the sliding block 512 to slide in the inner side of the sliding groove 511, the control block 515 is inserted in the inner side of the control groove 514, and the nut 516 is screwed again, so that the nut 516 is abutted against the control ring 513, and the nut 516 limits the control ring 513 to move, so that the rotation of the movable block 58 is limited, so that the limiting rod 510 limits the steel cable in the inner side of the hook 56, and the control ring 513 is pushed again by rotating twenty degrees corresponding to the control groove 514, so that the control ring 513 is inserted in the inner side of the control groove 514, so that the limiting movable block 58 is rotated, so that the limiting rod 510 is convenient to limit the steel cable 510 to firmly limit the inner side of the control ring 56, so that the falling off of the control ring 56 can be avoided.

In this embodiment, the inner side of the carriage 1 is slidably connected with the outer side of the track 2, the lower end of the track 2 is fixedly provided with a support frame 3, the lower end of the support frame 3 is fixedly provided with a base 4, and the number of the support frame 3 and the number of the base 4 are two.

Specifically, the purpose of facilitating the movement of the lifting position can be achieved by pushing the carriage 1 so that the carriage 1 slides along the rail 2.

Working principle:

in use, the carriage 1 is pushed first, so that the carriage 1 slides along the track 2, and the carriage 1 drives the lifting mechanism 5 to move to a designated position, then the steel cable is fixed on the surface of the article, and the steel cable is hung in the inner side of the hook 56, then the limiting rod 510 is rotated, and the limiting rod 510 drives the movable block 58 to rotate by twenty degrees, and the movable block 58 drives the threaded shaft 59 to rotate, and simultaneously the threaded shaft 59 drives the control ring 513 to rotate by twenty degrees through the sliding block 512, so that the control block 515 corresponds to the control groove 514, at this time, the control ring 513 is pushed again, so that the control ring 513 drives the sliding block 512 to slide in the inner side of the sliding groove 511, and the control block 515 is inserted in the inner side of the control groove 514, and the nut 516 is screwed again, so that the nut 516 is tightly attached to the control ring 513, and the nut 516 limits the control ring 513 to thereby limit the rotation of the movable block 58, so that the limiting rod 510 limits the steel cable in the inner side of the hook 56, then the motor 517 is restarted, and the motor 517 is rotated through the rotating shaft 53, so that the reel 54 is wound around the rope 55, and the rope 55 is pulled up through the sliding block 512, so that the control ring 515 is pulled up through the inner side of the hook 56, so that the control ring is pulled up by the control ring is firmly limited by the control ring 515, and the control ring is pulled in the inner side of the control ring is prevented from being pulled by the control ring 514.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hoisting mechanism of bridge crane, includes balladeur train (1), track (2), its characterized in that: the lower extreme of balladeur train (1) is provided with climbing mechanism (5), climbing mechanism (5) is including fixed bottom plate (51) of setting in balladeur train (1) lower extreme, the fixed bearing (52) that is provided with in lower extreme of bottom plate (51), the inboard activity of bearing (52) is provided with axis of rotation (53), the outside of axis of rotation (53) is close to one side of bearing (52) and is fixedly provided with reel (54), the outside activity of reel (54) is provided with rope (55), the fixed couple (56) that is provided with of lower extreme of rope (55), the inboard bottom of couple (56) is fixedly provided with mount (57), the inboard activity of mount (57) is provided with movable block (58), the inside fixed screw thread axle (59) that is provided with of movable block (58), the upper end of movable block (58) is fixedly provided with limiting rod (510), screw thread axle (59) extend to the inside of mount (57), movable connection between screw thread axle (59) and the mount (57), the upper end of screw thread axle (59) is provided with slide groove (511), slide groove (513) are provided with outside slide groove (511), one end of the fixing frame (57) is provided with a control groove (514), and the inner side of the control groove (514) is movably provided with a control block (515).

2. The hoisting mechanism of a bridge crane according to claim 1, wherein: a nut (516) is arranged on one side, close to the control ring (513), of the outer side of the threaded shaft (59), and a motor (517) is fixedly arranged on one side, close to the bearing (52), of the lower end of the bottom plate (51).

3. The hoisting mechanism of a bridge crane according to claim 2, wherein: one end of the rope (55) is fixedly connected with the inner side inner wall of the reel (54), and the upper end of the sliding block (512) is fixedly connected with the inner side top of the inner side of the control ring (513).

4. A lifting mechanism for a bridge crane according to claim 3, wherein: one end of the control block (515) is fixedly connected with one end of the control ring (513), one end of the nut (516) is movably connected with the other end of the control ring (513), and one end of the rotating shaft (53) is arranged at one end of the motor (517).

5. The hoisting mechanism of a bridge crane according to claim 1, wherein: the inner side of the sliding frame (1) is in sliding connection with the outer side of the rail (2), and a supporting frame (3) is fixedly arranged at the lower end of the rail (2).

6. The hoisting mechanism of a bridge crane according to claim 5, wherein: the lower extreme of support frame (3) is fixed and is provided with base (4), the quantity of support frame (3), base (4) all has two sets of.