CN214495437U

CN214495437U - Lifting mechanism of double-beam bridge crane

Info

Publication number: CN214495437U
Application number: CN202120458658.2U
Authority: CN
Inventors: 任高阳
Original assignee: Henan Delixin Hoisting Machinery Co ltd
Current assignee: Henan Delixin Hoisting Machinery Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-10-26
Anticipated expiration: 2031-03-03

Abstract

The utility model relates to the field of cranes, in particular to a lifting mechanism of a double-beam bridge crane, which comprises double beams, wherein the top surfaces of the double beams are fixedly provided with mounting plates arranged at intervals, the bottoms of the mounting plates are fixedly connected with brackets arranged vertically, an electric block I and an electric block II are respectively arranged on the mounting plates, steel wire ropes are respectively wound on the electric block I and the electric block II, the other ends of the steel wire ropes are respectively wound on pulley blocks corresponding to the steel wire ropes, the pulley blocks are arranged on pulley frames which are fixedly arranged on a lifting beam, the two ends of the lifting beam are respectively connected with the inner side surfaces of the brackets in a sliding way, the inner side surfaces of the brackets are respectively provided with sliding grooves, pulleys are arranged at the two ends of the lifting beam, the pulleys are arranged in the sliding grooves in a sliding way, the bottom of the lifting beam is connected with a sliding seat in a sliding way, the bottom of the sliding seat is provided with a hook seat, and a rotating device is arranged between the sliding seat and the hook seat, the bottom of the hook seat is connected with a hook; the lifting mechanism is used for solving the problems that the existing lifting mechanism of the bridge crane is easy to shake and has poor stability when lifting cargoes.

Description

Lifting mechanism of double-beam bridge crane

Technical Field

The utility model relates to a hoist field, concretely relates to hoist mechanism of two roof beam bridge crane.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a crane and a crane, the bridge crane generally comprises a main beam, an end beam, a trolley running mechanism, a cart running mechanism, a lifting mechanism and the like, the cart running mechanism drives the end beam so as to enable the whole bridge crane to move along a guide rail in the length direction of a workshop, the lifting mechanism is connected with a lifting hook through a steel wire rope of a winch, the lifting hook is used for lifting goods, in the lifting and lifting process, the steel wire rope is easy to swing, so that the swinging of the steel wire rope can drive lifting equipment or goods to swing, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hoist mechanism of two roof beam bridge crane for solve current bridge crane's hoist mechanism and take place easily when lifting by crane the goods and rock the poor problem of stability.

The technical scheme of the utility model is realized like this: the utility model provides a hoist mechanism of two roof beam bridge crane, including two roof beams, the top surface fixed mounting of two roof beams has the mounting panel that the interval set up, the support of the vertical setting of the equal fixedly connected with in bottom of mounting panel, install electric block one and electric block two on the mounting panel respectively, it has wire rope all to twine on electric block one and the electric block two, wire rope's the other end twines respectively on the assembly pulley rather than corresponding, the assembly pulley is installed on the pulley yoke, pulley yoke fixed mounting is on the lifting beam, the both ends of lifting beam respectively with the medial surface looks sliding connection of support, the spout has all been seted up to the medial surface of support, the pulley is installed at the both ends of lifting beam, the pulley slides and sets up in the spout, the bottom sliding connection of lifting beam has the sliding seat, the lifting hook seat is installed to the bottom of sliding seat, install rotary device between sliding seat and the lifting hook seat, the bottom of lifting hook seat is connected with the lifting hook.

The rotating device comprises a slewing bearing connected to the bottom of the sliding seat, the bottom of the slewing bearing is connected with a hook seat, the side of the slewing bearing is connected with a transmission motor, a rotating shaft of the transmission motor is connected with a transmission gear, and the transmission gear is meshed with an outer ring gear of the slewing bearing.

The bottom of the lifting beam is fixedly connected with a walking beam.

The width of the walking beam is larger than that of the lifting beam.

The sliding seat is provided with a traveling wheel, and the traveling wheel is provided with a traveling motor.

The number of the walking wheels is 4, and the walking wheels walk on the walking beam and are positioned on two sides of the lifting beam.

The first electric hoist and the second electric hoist are arranged on the top surface of the mounting plate, and the mounting plate is provided with through holes.

The technical scheme of the utility model has following positive effect: the device is characterized in that a mounting plate is arranged between two beams, a first electric hoist and a second electric hoist are mounted on the mounting plate, a first steel wire rope is wound on a pulley block, the pulley block and a pulley yoke are fixedly mounted on a lifting beam, the lifting beam is in sliding connection with a vertically arranged support, the steel wire rope drives the lifting beam to move up and down in the lifting process, two ends of the lifting beam are arranged in sliding grooves of supporting legs in a sliding mode, the lifting beam moves up and down along the support, and the lifting beam cannot swing; the bottom of lifting beam is connected with the walking beam, installs the walking wheel on the sliding seat, and walking motor drive walking wheel makes the sliding seat remove on the walking beam to the position of adjustment lifting hook on the lifting beam is connected with slewing bearing between sliding seat and the lifting hook seat, and drive motor starts the outer lane gear that drives slewing bearing and rotates, makes the lifting hook seat rotate, thereby makes the goods of hanging on the lifting hook rotate certain angle, and it is more convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the connection of the double beam to the mounting plate.

Fig. 3 is a schematic view of the connection of the lifting beam and the bracket.

Fig. 4 is a schematic view of the connection between the walking beam and the sliding seat.

Detailed Description

As shown in fig. 1, 2, 3 and 4, a lifting mechanism of a double-beam bridge crane comprises a double-beam 1, wherein mounting plates 2 arranged at intervals are fixedly mounted on the top surface of the double-beam 1, vertically arranged brackets 3 are fixedly connected to the bottoms of the mounting plates 2, a first electric hoist 4 and a second electric hoist 5 are respectively mounted on the mounting plates 2, steel wire ropes 6 are respectively wound on the first electric hoist 4 and the second electric hoist 5, the other ends of the steel wire ropes 6 are respectively wound on pulley blocks 7 corresponding to the steel wire ropes, the pulley blocks 7 are mounted on pulley frames 8, the pulley frames 8 are fixedly mounted on a lifting beam 9, two ends of the lifting beam 9 are respectively connected with the inner side surface of the brackets 3 in a sliding manner, sliding grooves 12 are respectively formed in the inner side surface of the brackets 3, pulleys 11 are mounted at two ends of the lifting beam 9, the pulleys 11 are arranged in the sliding grooves 12 in a sliding manner, and sliding seats 13 are connected to the bottoms of the lifting beam 9 in a sliding manner, a lifting hook seat 14 is arranged at the bottom of the sliding seat 13, a rotating device is arranged between the sliding seat 13 and the lifting hook seat 14, and a lifting hook 15 is connected to the bottom of the lifting hook seat 14; lifting hook 15 is used for catching on the goods of lifting by crane, and sliding seat 13 moves about along the lifting beam 9 to make lifting hook 15 remove about, electric block 4 and two 5 simultaneous start of electric block make 6 oscilaltions of wire rope, thereby drive lifting beam 9 and reciprocate, the both ends of lifting beam 9 slide and set up in spout 12, make lifting beam 9 can not appear rocking at the in-process that rises or descend.

Preferably, the rotating device comprises a slewing bearing 16 connected to the bottom of the sliding seat 13, the bottom of the slewing bearing 16 is connected with a hook seat 14, the side of the slewing bearing 16 is connected with a transmission motor 17, a rotating shaft of the transmission motor 17 is connected with a transmission gear 18, the transmission gear 18 is meshed with an outer ring gear of the slewing bearing 16, after the lifting hook 15 lifts the goods, if the angle of the goods needs to be adjusted or the goods are rotated, the transmission motor 17 is started to drive the transmission gear 18 to rotate, the outer ring gear of the slewing bearing 16 is driven to rotate, and the hook seat 14 connected with the slewing bearing 16 synchronously rotates.

Preferably, the bottom of the lifting beam 9 is fixedly connected with a walking beam 19; the slide shoe 13 is mounted on a walking beam 19.

Preferably, the width of the walking beam 19 is greater than the width of the lifting beam 9; preferably, the sliding seat 13 is provided with walking wheels 20, and one walking wheel 20 is provided with a walking motor 21; the traveling motor 21 is started, so that the traveling wheels 20 drive the sliding seats 13 to travel on the traveling beam 19.

Preferably, the number of the walking wheels 20 is 4, and the walking wheels 20 walk on the walking beam 19 and are positioned at two sides of the lifting beam 9; the travelling wheels 20 are respectively arranged on two sides of the sliding seat 13, the travelling wheels 20 move along the lifting beam 9, and the position of the lifting hook 15 on the travelling beam 19 is adjusted, so that the position of goods on the lifting beam 9 is adjusted.

Preferably, the inner ring of the slewing bearing 16 is fixedly connected with the bottom of the sliding seat 13, and the outer ring gear of the slewing bearing 16 is fixedly connected with the top of the hook seat 14; when the outer ring gear of the slewing bearing 16 rotates, the hook base 14 is driven to rotate, and therefore the hook is driven to rotate.

Preferably, the first electric hoist 4 and the second electric hoist 5 are mounted on the top surface of the mounting plate 2, through holes 22 are formed in the mounting plate 2, and the steel wire ropes 6 penetrate through the through holes 22; the bottoms of the steel wire ropes 6 on the first electric hoist 4 and the second electric hoist 5 are arranged through the through holes 22.

Claims

1. The utility model provides a hoist mechanism of two roof beam bridge crane, includes two roof beams (1), its characterized in that: the top surface of the double beam (1) is fixedly provided with mounting plates (2) arranged at intervals, the bottoms of the mounting plates (2) are fixedly connected with brackets (3) arranged vertically, the mounting plates (2) are respectively provided with a first electric hoist (4) and a second electric hoist (5), the first electric hoist (4) and the second electric hoist (5) are respectively wound with a steel wire rope (6), the other end of the steel wire rope (6) is respectively wound on pulley blocks (7) corresponding to the steel wire rope, the pulley blocks (7) are arranged on pulley frames (8), the pulley frames (8) are fixedly arranged on the lifting beam (9), the two ends of the lifting beam (9) are respectively connected with the inner side surface of the brackets (3) in a sliding way, the inner side surface of the brackets (3) is respectively provided with a sliding groove (12), the two ends of the lifting beam (9) are provided with pulleys (11), the pulleys (11) are arranged in the sliding groove (12) in a sliding way, the bottom of the lifting beam (9) is connected with a sliding seat (13) in a sliding way, the bottom of the sliding seat (13) is provided with a lifting hook seat (14), a rotating device is arranged between the sliding seat (13) and the lifting hook seat (14), and the bottom of the lifting hook seat (14) is connected with a lifting hook (15).

2. The lifting mechanism of a double-beam bridge crane according to claim 1, wherein: the rotating device comprises a slewing bearing (16) connected to the bottom of the sliding seat (13), the bottom of the slewing bearing (16) is connected with a hook seat (14), the side of the slewing bearing (16) is connected with a transmission motor (17), a rotating shaft of the transmission motor (17) is connected with a transmission gear (18), and the transmission gear (18) is meshed with an outer ring gear of the slewing bearing (16).

3. The lifting mechanism of a double-beam bridge crane according to claim 1, wherein: the bottom of the lifting beam (9) is fixedly connected with a walking beam (19).

4. The lifting mechanism of a double-beam bridge crane according to claim 1, wherein: the width of the walking beam (19) is larger than that of the lifting beam (9).

5. The lifting mechanism of a double-beam bridge crane according to claim 1, wherein: a walking wheel (20) is arranged on the sliding seat (13), and a walking motor (21) is arranged on the walking wheel (20).

6. The lifting mechanism of a double-beam bridge crane according to claim 5, wherein: the number of the walking wheels (20) is 4, and the walking wheels (20) walk on the walking beam (19) and are positioned on two sides of the lifting beam (9).

7. The lifting mechanism of a double-beam bridge crane according to claim 5, wherein: the first electric hoist (4) and the second electric hoist (5) are installed on the top surface of the mounting plate (2), and the mounting plate (2) is provided with through holes (22).