CN218909673U

CN218909673U - Lifting mechanism of bridge crane

Info

Publication number: CN218909673U
Application number: CN202223155874.3U
Authority: CN
Inventors: 王祯; 乔向东; 乔钦翔; 赵敏; 王兆波; 乔钦涛
Original assignee: Demag Cranes Dalian Co ltd
Current assignee: Demag Cranes Dalian Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-04-25
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a lifting mechanism of a bridge crane, which comprises a mounting box, wherein mounting lugs are fixedly connected to two sides of the outer wall of the top of the mounting box, ventilation openings are formed in the outer walls of the two sides of the mounting box, protection nets are fixedly connected to the inner walls of the two ventilation openings, a limiting mechanism is fixedly connected to one side of the outer wall of the mounting box, an opening is formed in the outer wall of the bottom of the mounting box, the two side of the opening is connected with the same roll shaft through a bearing, a gear box is fixedly connected to the outer wall of one side of the mounting box, which is far away from the limiting mechanism, the limiting mechanism comprises a limiting box, and round openings are formed in the outer walls of the two sides of the limiting box. According to the utility model, the limiting mechanism is arranged on one side of the mounting box, and the rotation of the roll shaft is conveniently limited through the mounting plate by matching the braking mechanism in the limiting mechanism with the two mounting plates, so that the auxiliary gear box is convenient to limit, and the service life of the roll shaft is prolonged.

Description

Lifting mechanism of bridge crane

Technical Field

The utility model relates to the technical field of 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 crane is a crane with the largest application range and the largest number, and the crane runs on an overhead track. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, and the lifting trolley transversely runs along the tracks paved on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials, and the space is not blocked by ground equipment. The crane is widely used in indoor and outdoor warehouses, factories, wharfs, open-air storage yards and the like.

Bridge cranes are relatively widely used in industry, lifting mechanisms on the cranes are important mechanisms on the cranes, but the existing lifting limiting mode mainly limits the roll shafts through processing in gear boxes, and the limiting mode can lead the load at the other ends of the roll shafts to be heavy, so that the service lives of the roll shafts are reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a lifting mechanism of a bridge crane.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a hoisting mechanism of bridge crane, includes the mounting box, the both sides fixedly connected with installation ear of mounting box top outer wall, and the both sides outer wall of mounting box has seted up the vent, two the inner wall fixedly connected with protection network of vent, one side outer wall fixedly connected with stop gear of mounting box, the opening has been seted up to mounting box bottom outer wall, and open-ended both sides inner wall has same roller through bearing connection, one side outer wall fixedly connected with gear box of stop gear is kept away from to the mounting box, stop gear includes the spacing case, and the both sides outer wall of spacing case has seted up the circle mouth, two the inner wall fixedly connected with fan of circle mouth, one side outer wall of spacing case is provided with the apron, and one side inner wall of spacing case is connected with mounting disc one through the bearing, one end connection of a mounting disc transmission shaft is at the roller, one side outer wall fixedly connected with equidistance circular distribution's connecting axle, and the one end of connecting axle is connected with mounting disc two.

Further, the inner walls of the two sides of the limit box are fixedly connected with brake mechanisms, and air openings distributed at equal intervals are formed in the outer wall of one side of the cover plate.

Further, the brake mechanism comprises a brake box, the inner wall of the brake box is fixedly connected with a mounting box, a rectangular opening is formed in the outer wall of one side of the mounting box, and a U-shaped seat is slidably connected with the inner wall of the rectangular opening.

Further, the inner walls of the two sides of the mounting box are fixedly connected with sliding rods, the outer walls of the two sliding rods are sleeved with springs, and the outer walls of the two sliding rods are connected with the same sliding plate in a sliding mode.

Further, the sliding plate is connected to the U-shaped seat, a driving mechanism is fixedly connected to the inner wall of one side of the installation box, and one end of the driving mechanism is connected to the sliding plate.

Further, the driving mechanism comprises a driving sleeve, the inner wall of the driving sleeve is slidably connected with a driving column, the inner wall of the driving sleeve is fixedly connected with an electromagnet, and one end of the driving column is connected with a magnet.

Further, the electromagnet and the fan are connected with a switch through a wire, and the switch is connected with a controller through a wire.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the limiting mechanism is arranged on one side of the mounting box, and the rotation of the roll shaft is conveniently limited through the mounting plate by matching the braking mechanism in the limiting mechanism with the two mounting plates, so that the auxiliary gear box is convenient to limit, and the service life of the roll shaft is prolonged.

2. According to the utility model, the U-shaped seat is arranged in the brake mechanism and matched with the connecting shaft between the two mounting plates, so that the rotation of the mounting plates is conveniently limited, and the U-shaped seat is clamped with the connecting shaft to limit, so that the load of the roll shaft is reduced.

3. According to the utility model, the driving mechanism is arranged in the mounting box, the electromagnet in the driving mechanism is matched with the magnet, and the U-shaped seat is conveniently driven to perform quick action by the aid of the sliding rod and the spring, so that the mounting disc is conveniently and quickly limited.

Drawings

Fig. 1 is a schematic structural diagram of a lifting mechanism of a bridge crane according to the present utility model;

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

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

FIG. 4 is a schematic diagram of a brake mechanism of a lifting mechanism of a bridge crane according to the present utility model;

fig. 5 is a schematic structural diagram of a driving mechanism of a lifting mechanism of a bridge crane according to the present utility model.

In the figure: 1. a mounting box; 2. a protective net; 3. a mounting ear; 4. a limiting mechanism; 5. a gear box; 6. a roll shaft; 7. a limit box; 8. a fan; 9. a brake mechanism; 10. a first mounting plate; 11. a connecting shaft; 12. a second mounting plate; 13. a cover plate; 14. a brake box; 15. a mounting box; 16. a slide bar; 17. a spring; 18. a sliding plate; 19. a U-shaped seat; 20. a driving mechanism; 21. a drive sleeve; 22. an electromagnet; 23. a rack; 24. and driving the column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a hoisting mechanism of bridge crane, including install bin 1, the both sides fixedly connected with install lug 3 of install bin 1 top outer wall, conveniently carry out fixed mounting to install bin 1 through install lug 3, and the vent has been seted up to the both sides outer wall of install bin 1, the inner wall fixedly connected with protection network 2 of two vents, one side outer wall fixedly connected with stop gear 4 of install bin 1, the opening has been seted up to install bin 1 bottom outer wall, and open-ended both sides inner wall has same roller 6 through bearing connection, receive and release the steel cable through roller 6, one side outer wall fixedly connected with gear box 5 of stop gear 4 is kept away from to install bin 1, gear box 5 is responsible for transmission and spacing, stop gear 4 includes stop box 7, set up auxiliary roller 6 through stop gear 4 is spacing, reduce the load of roller 6, and the both sides outer wall of stop box 7 has seted up the round mouth, the inner wall fixedly connected with fan 8 of two round mouths, auxiliary stop box 7 carries out the heat dissipation through fan 8, one side outer wall of stop box 7 is provided with apron 13, and one side inner wall of stop box 7 passes through bearing connection has a set of a drive shaft 10, install one end of a drive shaft 10 is connected with one end of a set of 10, install the one end of a set of connection is connected with a set of two end of connection discs 11 through the fixed connection disc 11, the fixed connection disc 11 is connected with one end of two end discs 11 through the fixed connection disc 11.

According to the utility model, the brake mechanism 9 is fixedly connected to the inner walls of the two sides of the limit box 7, the equidistantly distributed air ports are formed in the outer wall of one side of the cover plate 13, the brake mechanism 9 comprises the brake box 14, the inner wall of the brake box 14 is fixedly connected with the mounting box 15, the rectangular opening is formed in the outer wall of one side of the mounting box 15, the U-shaped seat 19 is slidably connected to the inner wall of the rectangular opening, the slide bars 16 are fixedly connected to the inner walls of the two sides of the mounting box 15, the springs 17 are sleeved on the outer walls of the two slide bars 16, the same slide plate 18 is slidably connected to the outer walls of the two slide bars 16, the slide plate 18 is connected to the U-shaped seat 19, the driving mechanism 20 is fixedly connected to the inner wall of one side of the mounting box 15, one end of the driving mechanism 20 is connected to the slide plate 18, and the U-shaped seat 19 in the brake mechanism 9 is clamped with the connecting shaft 11 between the two mounting plates to limit the rotation of the mounting plates, so that the rotation of the mounting plates is conveniently limited, and the rotation of the mounting plates is limited, and the roll shaft 6 is further limited.

In the utility model, the driving mechanism 20 comprises a driving sleeve 21, the inner wall of the driving sleeve 21 is connected with a driving column 24 in a sliding way, the inner wall of the driving sleeve 21 is fixedly connected with an electromagnet 22, one end of the driving column 24 is connected with a magnet 23, the electromagnet 22 and the fan 8 are connected with a switch through a wire, the switch is connected with a controller through a wire, the electromagnet 22 in the driving mechanism 20 is powered on and powered off to drive the driving column 24, magnetism opposite to that of the magnet 23 is generated after the electromagnet 22 is powered on so as to attract the magnet 23 to act, and the driving column 24 acts under the cooperation of a spring 17 when the electromagnet is powered off.

Working principle: during the use, the output shaft through the motor is on gear box 5, the positive and negative rotation of roller 6 is driven through the transmission of gear box 5, the positive and negative rotation of roller 6 is convenient to have the rolling to the steel cable, thereby conveniently hoist the goods, motor intermittent type action in the hoist, gear box 5 and spacing case 7 are unblocked simultaneously when starting and make roller 6 rotate normal rolling, in case need gear box 5 and spacing case 7 lock roller 6 simultaneously when the motor stops, prevent that the goods of hoist and mount from dropping, stop gear 4 passes through actuating mechanism 20 in brake mechanism 9, drive U-shaped seat 19 release, the connecting axle 11 is blocked to the fixed between two mounting plates to the electro-magnet 22 circular telegram in actuating mechanism 20 produces the magnetism opposite to magnet 22, thereby attract the action of actuating post 24 and then drive the U-shaped seat 19 action on the sliding plate 18, the electro-magnet 22 cuts off the power supply U-shaped seat 19 under the effect of spring 17 on slide bar 16 and release card income mounting plate in the time of locking the mounting plate, simultaneously through setting up fan 8 in the both sides of spacing case 7, air flow in the spacing case 7 is driven through fan 8, and then the mounting is carried out the heat dissipation plate.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a hoisting mechanism of bridge crane, includes install bin (1), its characterized in that, the both sides fixedly connected with install bin (3) of install bin (1) top outer wall, and the both sides outer wall of install bin (1) has seted up the vent, two the inner wall fixedly connected with protection network (2) of vent, one side outer wall fixedly connected with stop gear (4) of install bin (1), the opening has been seted up to install bin (1) bottom outer wall, and open-ended both sides inner wall has same roller (6) through bearing connection, one side outer wall fixedly connected with gear box (5) of stop gear (4) is kept away from to install bin (1), stop gear (4) include limit bin (7), and limit bin (7) both sides outer wall has seted up the circle mouth, two the inner wall fixedly connected with fan (8) of circle mouth, one side outer wall of limit bin (7) is provided with apron (13), and one side inner wall of limit bin (7) is through bearing connection have one installation dish (10), one end of installation dish (10) transmission shaft is connected with one end on roller (6), one end of installation dish (10) is connected with one end of a circular connection dish (11), one end of connecting the round connection (11) is connected with one end of two equal distance.

2. The lifting mechanism of the bridge crane according to claim 1, wherein the inner walls of the two sides of the limit box (7) are fixedly connected with brake mechanisms (9), and the outer wall of one side of the cover plate (13) is provided with air openings which are distributed equidistantly.

3. Hoisting mechanism of bridge crane according to claim 2, characterized in that the brake mechanism (9) comprises a brake box (14), the inner wall of the brake box (14) is fixedly connected with a mounting box (15), a rectangular opening is formed in the outer wall of one side of the mounting box (15), and a U-shaped seat (19) is slidably connected to the inner wall of the rectangular opening.

4. A lifting mechanism of a bridge crane according to claim 3, wherein the inner walls of the two sides of the installation box (15) are fixedly connected with sliding rods (16), the outer walls of the two sliding rods (16) are sleeved with springs (17), and the outer walls of the two sliding rods (16) are slidably connected with the same sliding plate (18).

5. Hoisting mechanism of bridge crane according to claim 4, characterized in that the sliding plate (18) is connected to the U-shaped seat (19), the driving mechanism (20) is fixedly connected to the inner wall of one side of the mounting box (15), and one end of the driving mechanism (20) is connected to the sliding plate (18).

6. Hoisting mechanism of a bridge crane according to claim 5, characterized in that the driving mechanism (20) comprises a driving sleeve (21), the inner wall of the driving sleeve (21) is slidably connected with a driving column (24), the inner wall of the driving sleeve (21) is fixedly connected with an electromagnet (22), and one end of the driving column (24) is connected with a magnet (23).

7. Hoisting mechanism of a bridge crane according to claim 6, characterized in that the electromagnet (22) and the fan (8) are connected with a switch by means of wires and the switch is connected with a controller by means of wires.