CN212893451U

CN212893451U - Lifting device for roller

Info

Publication number: CN212893451U
Application number: CN202021727168.XU
Authority: CN
Inventors: 姬彪; 王庆豪; 宋佳斌; 陈珂; 麻玉钊
Original assignee: Henan Mine Crane Co Ltd
Current assignee: Henan Mine Crane Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-06
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to the field of crane equipment, in particular to a lifting device for a roller, which comprises a connecting frame, the middle position of the connecting frame is fixedly connected with two winches, two sides of the connecting frame are fixedly connected with upper fixed pulleys, two steel wire ropes II are wound on the two winches, each steel wire rope II bypasses the upper fixed pulleys, the tail part of each steel wire rope II is connected with a lower pulley, two sides of the bottom of the connecting frame are provided with guide mechanisms, each guide mechanism comprises two guide rails arranged at intervals, two sides of each guide rail are provided with a plurality of rollers in a sliding mode, the rollers are arranged on the roller frames, a mounting frame is fixedly connected between the roller frames, a pulley shaft is fixedly connected between the roller frames, the lower pulleys are arranged on the pulley shaft, a slewing bearing is arranged on the mounting frame, and a lifting appliance mechanism is arranged at the bottom of the slewing bearing; the roller lifting device is used for solving the problems that the existing roller is easy to swing when lifted and has deviation in position when placed at fixed points.

Description

Lifting device for roller

Technical Field

The utility model relates to a hoist equipment field, concretely relates to hoisting accessory for roll.

Background

The roll or similar roll transport workshop and production line, the roll generally is longer and roll weight is big and the surface is slick and sly, has great difficulty when lifting by crane, when lifting by wire rope, easy emergence swing in the lifting process, the roll needs the fixed point to be put sometimes, needs the direction of adjustment roll, but the position of roll can't be adjusted to present hoisting accessory.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a lifting device for roll for the swing takes place easily when being used for solving current roll and lifts by crane, and the position has the deviation when the fixed point is put.

The technical scheme of the utility model is realized like this: the utility model provides a hoisting accessory for roll, including the link, two hoists of intermediate position fixedly connected with of link, both sides fixedly connected with upper portion fixed pulley on the link, it has wire rope two all to twine on two hoists, the connection of afterbody that upper portion fixed pulley and every wire rope two were all walked around to every wire rope two has a lower part pulley, the both sides of the bottom of link all are provided with guiding mechanism, guiding mechanism includes the guide rail that two intervals set up, every guide rail's both sides all slide and are provided with a plurality of gyro wheel, the gyro wheel is all installed on the gyro wheel frame, fixedly connected with mounting bracket between the gyro wheel frame, install slewing bearing on the mounting bracket, hoist mechanism is installed to slewing bearing's bottom.

The lifting appliance mechanism comprises a lifting appliance top beam, two sides of the lifting appliance top beam are connected with a lifting appliance box, the lifting appliance box is of a door-shaped structure, a double-end electric telescopic rod is installed in the lifting appliance top beam, moving parts of two sides of the double-end electric telescopic rod are connected with a first steel wire rope, the first steel wire rope penetrates through a first fixed pulley and the tail of the first steel wire rope is connected with a connecting rod mechanism, the fixed pulley is fixedly connected with two ends of the lifting appliance top beam, bottoms of two sides of the connecting rod mechanism are hinged with locking claws, and a contact switch is.

The connecting rod mechanism comprises a cross rod, and both sides of the bottom of the cross rod are hinged with vertical rods.

The top surface fixedly connected with spring bottom plate of horizontal pole, the top surface fixedly connected with spring of spring bottom plate, the top surface of spring and the roof fixed connection of hoist case.

And a limiting block is arranged below the locking claw and is fixedly arranged in the lifting appliance box.

The external gear of the slewing bearing is engaged with a pinion, and the pinion is connected with a speed reduction motor.

The fixed inner ring of the slewing bearing is fixedly connected with the mounting frame, and the outer ring of the gear of the slewing bearing is fixedly connected with the top beam of the lifting appliance.

And the second lower pulley is connected with the roller carrier through a pulley fixing rod.

The two corresponding side surfaces of the lifting appliance box are provided with holes, and the tail ends of the locking claws extend out of the holes to extend to the outside of the lifting appliance box.

The technical scheme of the utility model has following positive effect: the device is provided with the guide rail and the idler wheels, and when the lifting is carried out, the idler wheels rise along the guide rail, so that the lifting appliance mechanism is driven to rise, and the deviation is prevented; the slewing bearing can drive the lifting appliance to rotate, so that the lifting appliance is positioned more accurately; the lifting appliance mechanism is used for clamping a roller, the double-end electric telescopic rod, the first steel wire rope, the spring and the connecting rod mechanism are used for realizing the opening and closing of the locking claw, and the contact switch is used for realizing the control on the double-end electric telescopic rod, so that the circulation of opening and closing is realized; the limiting block limits the lowest position of the locking claw.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a schematic side view of the structure of the present invention.

Fig. 3 is a structural plan view of the spreader mechanism.

Fig. 4 is a schematic view of the construction of the spreader box.

Fig. 5 is a structural diagram of the state of the locking claw.

Fig. 6 is a structural diagram of the state of the locking claw.

Detailed Description

As shown in fig. 1 to 6, a lifting device for a roller comprises a connecting frame 14, two winches 15 are fixedly connected to the middle position of the connecting frame 14, upper fixed pulleys 25 are fixedly connected to two sides of the connecting frame 14, two steel wire ropes 16 are wound on the two winches 15, the tail portions of the two steel wire ropes 16 are wound on a lower pulley 17, guide mechanisms are arranged on two sides of the bottom of the connecting frame 14, each guide mechanism comprises two guide rails 18 arranged at intervals, a plurality of rollers 19 are slidably arranged on two sides of each guide rail 18, the rollers 19 are mounted on roller frames 20, a mounting frame 21 is fixedly connected between the roller frames 20, a slewing bearing 22 is mounted on the mounting frame 21, and a lifting device mechanism is mounted at the bottom of the slewing bearing 22; when the winch 15 works, the second wire rope 16 rises or falls, so that the roller 19 is driven to move up and down along the roller frame 20, and the mounting frame 21 and the lifting appliance mechanism are driven to move up and down.

Hoist mechanism include hoist back timber 1, the both sides of hoist back timber 1 are connected with hoist case 2, hoist case 2 is door font structure, install double-end electric telescopic handle 3 in the hoist back timber 1, the movable part of the both sides of double-end electric telescopic handle 3 all is connected with one 4 of wire rope, wire rope 4 passes and wire rope 4's afterbody all is connected with link mechanism from fixed pulley 5, the both ends of fixed pulley 5 fixed connection in hoist back timber 1, the bottom of link mechanism's both sides all articulates there is lock claw 7, install contact switch 27 on the hoist case 2, contact switch 27 stretches out from the bottom of hoist case 2's bottom plate, hoist case 2 corresponding two sides are seted up porosely 29, the tail end of lock claw 7 stretches out the outside that extends to hoist case 2 from hole 29.

And a limiting block 13 is arranged below the locking claw 7, and the limiting block 13 is fixedly arranged in the lifting appliance box 2.

A pinion gear 23 is engaged with the external gear of the slewing bearing 22, and a reduction motor 24 is connected to the pinion gear 23.

The fixed inner ring of the slewing bearing 22 is fixedly connected with the mounting frame 21, and the gear outer ring of the slewing bearing 22 is fixedly connected with the top beam 1 of the lifting appliance.

The lower pulley 17 is connected with the roller frame 20 through a pulley fixing rod 28, the lower pulley 17 is a fixed pulley, and the lower pulley 17 is fixed on the pulley fixing rod 28.

The working principle is as follows: when the device is used, the two winches 15 rotate to respectively drive the second steel wire rope 16 to ascend or descend, so that the roller 19 is driven to do linear motion along the guide rail 18, the mounting frame 21 is driven to do up-and-down motion, and the swinging is prevented; the roller 30 is clamped by a lifting appliance mechanism, as shown in fig. 5, two movable rods of the double-head electric telescopic rod 3 are in a retracted state, the first steel wire rope 4 drives the connecting rod mechanism to move upwards, the spring bottom plate 10 also moves upwards, and the spring 11 is compressed; when the place that needs to place is arrived, hoist engine 15 starts, two 16 downstream of wire rope, drive hoist case 2 and descend, as shown in fig. 6, there is the object to block the bottom of roll 30, thereby make roll 30 continue upwards, contact switch 29 is touched to roll 30, two movable rods of double-end electric telescopic handle 3 stretch out, wire rope 4 of being connected with the movable rod drives link mechanism downwards, spring bottom plate 10 also downstream, at this moment, spring 11 releases the compressive force, pawl 7 upwards opens, hoist engine 15 starts, two 16 upstream of wire rope, drive hoist case 2 and rise, and roll 30 stays in the place that needs to place, then continue to lift by crane next compression roller, the operation process is: the winch 15 is started, the second steel wire rope 16 moves upwards to drive the lifting appliance box 2 to descend, when the lifting appliance box descends to the position of the roller 30, the roller 30 corresponds to the opening position of the lifting appliance box 2, until the roller 30 contacts the contact switch 29, the contact switch 29 enables the movable rod of the double-head electric telescopic rod 3 to retract, the first steel wire rope 4 drives the link mechanism to move upwards, the spring bottom plate 10 also moves upwards to compress the spring 11, the locking claw 7 moves downwards, then the second steel wire rope 16 moves upwards, the lifting appliance box 2 ascends, the locking claw 7 contacts with the roller 30, and the locking claw 7 clamps the roller 30.

Claims

1. A lifting device for a roll, comprising a connection frame (14), characterized in that: the middle position fixedly connected with two hoist engines (15) of link (14), both sides fixedly connected with upper portion fixed pulley (25) on link (14), all twine wire rope two (16) on two hoist engines (15), the connection of the afterbody that upper portion fixed pulley (25) and every wire rope two (16) were all walked around in every wire rope two (16) has lower part pulley (17), the both sides of the bottom of link (14) all are provided with guiding mechanism, guiding mechanism includes guide rail (18) that two intervals set up, the both sides of every guide rail (18) all slide and are provided with a plurality of gyro wheel (19), gyro wheel (19) are all installed on gyro wheel frame (20), fixedly connected with mounting bracket (21) between gyro wheel frame (20), install slewing bearing (22) on mounting bracket (21), hoist mechanism is installed to the bottom of slewing bearing (22).

2. The lifting device for a roll according to claim 1, characterized in that: the lifting appliance mechanism comprises a lifting appliance top beam (1), two sides of the lifting appliance top beam (1) are connected with a lifting appliance box (2), the lifting appliance box (2) is of a door-shaped structure, a double-end electric telescopic rod (3) is installed in the lifting appliance top beam (1), movable parts of two sides of the double-end electric telescopic rod (3) are connected with a steel wire rope I (4), the steel wire rope I (4) penetrates through a fixed pulley I (5) and the tail of the steel wire rope I (4) is connected with a connecting rod mechanism, the fixed pulley I (5) is fixedly connected with two ends in the lifting appliance top beam (1), bottoms of two sides of the connecting rod mechanism are hinged with locking claws (7), and a contact switch (27) is installed on the.

3. The lifting device for a roll according to claim 2, characterized in that: the connecting rod mechanism comprises a cross rod (8), and both sides of the bottom of the cross rod (8) are hinged with vertical rods (9).

4. A lifting device for a roll according to claim 3, characterized in that: the top surface fixedly connected with spring bottom plate (10) of horizontal pole (8), the top surface fixedly connected with spring (11) of spring bottom plate (10), the top surface of spring (11) and the roof fixed connection of hoist case (2).

5. The lifting device for a roll according to claim 2, characterized in that: a limiting block (13) is arranged below the locking claw (7), and the limiting block (13) is fixedly installed in the lifting appliance box (2).

6. The lifting device for a roll according to claim 1, characterized in that: a pinion (23) is meshed with an external gear of the slewing bearing (22), and a speed reduction motor (24) is connected to the pinion (23).

7. The lifting device for a roll according to claim 1, characterized in that: the fixed inner ring of the slewing bearing (22) is fixedly connected with the mounting rack (21), and the gear outer ring of the slewing bearing (22) is fixedly connected with the top beam (1) of the lifting appliance.

8. The lifting device for a roll according to claim 1, characterized in that: the lower pulley (17) is connected with the roller frame (20) through a pulley fixing rod (28).

9. The lifting device for a roll according to claim 2, characterized in that: two corresponding side surfaces of the lifting appliance box (2) are provided with holes (29), and the tail end of the locking claw (7) extends out of the holes (29) and extends to the outside of the lifting appliance box (2).