CN219860257U

CN219860257U - Anti-deflection portal crane

Info

Publication number: CN219860257U
Application number: CN202222990665.4U
Authority: CN
Inventors: 方红超; 赵慧园; 陶信峰; 陶保良; 曹保垒
Original assignee: Henan Kaiyuan Hoisting Machinery Co ltd
Current assignee: Henan Kaiyuan Hoisting Machinery Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-10-20
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses an anti-deflection portal crane, which relates to the technical field of portal cranes and comprises supporting legs, wherein a walking device is arranged on the lower surface of each supporting leg, a cross beam is fixedly connected to the upper surface of each supporting leg, a travelling trolley is arranged on the surface of each cross beam, a take-up and pay-off device is arranged on the lower surface of each travelling trolley, a steel wire rope is arranged at the contraction end of each take-up and pay-off device, a lifting hook is arranged at the other end of each steel wire rope, a lifting beam is connected to the inner side surface of each supporting leg in a sliding manner, a through groove is formed in the surface of each lifting beam, a moving block is connected to the inner surface of each through groove in a sliding manner, a round through hole is formed in the surface of each moving block, a spring is fixedly connected to the surface of each round through hole, and a buffer ring is fixedly connected to the other end of each spring.

Description

Anti-deflection portal crane

Technical Field

The utility model relates to the technical field of portal cranes, in particular to an anti-deflection portal crane.

Background

The portal crane is a deformation of bridge crane, also called portal crane, and is mainly used for loading and unloading operations of outdoor goods yard, stock yard goods and bulk goods, and the portal crane has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, is widely used in port goods yards, has a metal structure like a portal frame, is provided with two supporting legs below a bearing girder, can directly walk on a track on the ground, and can be provided with overhanging cantilever beams at two ends of the girder.

At present, when the existing gantry crane lifts goods, the crane moves too fast, the goods easily swing in the air, and when the amplitude of the goods swing is too large, the goods possibly fall down, so that safety accidents occur, and the existing gantry crane has the defect of low safety.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an anti-deflection portal crane, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides an anti-deflection portal crane, includes the supporting leg, the lower surface of supporting leg is provided with running gear, the upper surface fixedly connected with crossbeam of supporting leg, the surface of crossbeam is provided with the travelling car, the lower surface of travelling car is provided with the coiling and uncoiling device, coiling and uncoiling device's shrink end is provided with wire rope, wire rope's the other end is provided with the lifting hook, the medial surface sliding connection of supporting leg has the lift beam, logical groove has been seted up to the surface of lift beam, the internal surface sliding connection who leads to the groove has the movable block, the round through-hole has been seted up to the surface of movable block, the surface fixedly connected with spring of round through-hole, the other end fixedly connected with buffer ring of spring.

Optionally, the spout has been seted up to the medial surface of supporting leg, first motor is installed to the interior bottom surface of spout, the output fixedly connected with first lead screw of first motor, the other end of first lead screw is connected with the interior roof rotation of spout through the bearing.

Optionally, the surface threaded connection of first lead screw has the lifter block, the surface fixedly connected with first slider of lifter block, first slide has been seted up to the medial surface of spout, the surface sliding connection of first slide has first slider, the surface sliding connection of spout has the lifter block.

Optionally, two inner end surfaces of logical groove are connected with the second lead screw through the bearing rotation, the surface fixedly connected with second gear of second lead screw one end, the quantity of second gear and second lead screw is two and the symmetric distribution is in the inside of logical groove.

Optionally, the second motor is installed to the interior terminal surface of logical groove, the output fixedly connected with first gear of second motor, the surface transmission of first gear is connected with the second gear.

Optionally, the screw hole has been seted up on the surface of movable block, the surface threaded connection screw hole of second lead screw, the both sides face fixedly connected with second slider of movable block, the second slide has been seted up to the medial surface of logical groove, the surface sliding connection of second slide has the second slider, interrelation between travelling car, coiling and uncoiling device, first motor and the second motor.

Optionally, the number of the springs is six, and the circumferential arrays are distributed on the surface of the round through hole.

Optionally, the wire rope passes the cushion ring, the upper and lower edge department of cushion ring is provided with the fillet.

(III) beneficial effects

The utility model provides an anti-deflection portal crane, which has the following beneficial effects:

1. this prevent beat gantry crane, through the setting of compensating beam and movable block, make this prevent beat gantry crane possess the effect that reduces the goods at aerial beat, when using, wire rope passes the movable block, lift the goods through the lifting hook, receive and pay-off and upwards receive wire rope, first motor and receive and pay-off are correlated with, drive first lead screw rotation through first motor, and then make first lead screw surface threaded connection have the elevating block upwards slide in first slide through a side first slider, and then make the elevating beam of elevating block inboard move upwards together, limit the scope that wire rope rocked through the inside movable block of elevating beam, reduce the effect of beat when having played the rising goods, when moving the goods about, second motor is correlated with the travelling car, receive and pay-off and put-off drives wire rope and move about, the second motor is through driving first gear rotation, and then drive second gear and second lead screw rotation, and then make second lead screw surface threaded connection's movable block slide in the second slide through the second slide of both sides, through the mutual correlation between first gear and the movable car, the purpose of rocking motion between the movable block has been reached when having reduced the goods and the travelling car has rocked about, the purpose of reducing the yaw when moving the goods has reached the movable block of rocking.

2. This prevent beat gantry crane, through the setting of spring and buffer ring, make this prevent beat gantry crane have the effect that carries out the buffering to wire rope when moving the goods, during the use, when lifting the goods and remove, wire rope can take place to rock in the inside buffer ring of movable block, through the setting of buffer ring and spring, avoided wire rope and the inside round through hole direct rigid contact of movable block, when wire rope takes place to shake to one side skew, at first with buffer ring contact, extrude or tensile buffer ring surface's spring after the contact, the reaction force of spring self provides motion resistance for buffer ring removal in-process, the cushioning effect has been played, through avoiding wire rope and round through hole direct contact, wire rope's wearing and tearing have been reduced, and then the purpose of protecting wire rope has been reached.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model in front section;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 3B according to the present utility model;

FIG. 5 is a schematic view of the right end of the lifting beam according to the present utility model;

FIG. 6 is a schematic diagram of the structure of FIG. 5A according to the present utility model;

fig. 7 is a schematic diagram of a three-dimensional structure of a moving block according to the present utility model.

In the figure: 1. support legs; 2. a walking device; 3. a cross beam; 4. a moving trolley; 5. a wire winding and unwinding device; 6. a wire rope; 7. a lifting hook; 8. a chute; 81. a first slideway; 9. a first motor; 91. a first lead screw; 10. a lifting block; 101. a first slider; 11. a lifting beam; 12. a through groove; 121. a second slideway; 13. a second motor; 14. a first gear; 15. a second gear; 16. a second lead screw; 17. a moving block; 171. a second slider; 172. a threaded hole; 18. a circular through hole; 19. a spring; 20. a buffer ring.

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.

Example 1

Referring to fig. 1 to 7, the present utility model provides the following technical solutions: an anti-deflection portal crane comprises supporting legs 1, wherein the lower surfaces of the supporting legs 1 are provided with travelling devices 2, the upper surfaces of the supporting legs 1 are fixedly connected with cross beams 3, the surfaces of the cross beams 3 are provided with travelling trolleys 4, the lower surfaces of the travelling trolleys 4 are provided with wire coiling and uncoiling devices 5, the contraction ends of the wire coiling and uncoiling devices 5 are provided with wire ropes 6, the other ends of the wire ropes 6 are provided with lifting hooks 7, the inner side surfaces of the supporting legs 1 are provided with sliding grooves 8, the inner bottom surfaces of the sliding grooves 8 are provided with first motors 9, the output ends of the first motors 9 are fixedly connected with first lead screws 91, the other ends of the first lead screws 91 are rotatably connected with the inner top wall of the sliding grooves 8 through bearings, the surfaces of the first lead screws 91 are in threaded connection with lifting blocks 10, the outer surfaces of the lifting blocks 10 are fixedly connected with first sliding blocks 101, the inner side surfaces of the sliding grooves 8 are provided with first sliding grooves 81, the surfaces of the first sliding grooves 81 are in sliding connection with first sliding blocks 101, the surface of the chute 8 is slidingly connected with a lifting block 10, the inner side surface of the supporting leg 1 is slidingly connected with a lifting beam 11, the surface of the lifting beam 11 is provided with a through groove 12, two inner end surfaces of the through groove 12 are rotationally connected with a second screw rod 16 through a bearing, the outer surface of one end of the second screw rod 16 is fixedly connected with a second gear 15, the number of the second gears 15 and the second screw rod 16 are two and symmetrically distributed in the inside of the through groove 12, the inner end surface of the through groove 12 is provided with a second motor 13, the output end of the second motor 13 is fixedly connected with a first gear 14, the surface of the first gear 14 is in transmission connection with a second gear 15, the inner surface of the through groove 12 is slidingly connected with a moving block 17, the surface of the moving block 17 is provided with a threaded hole 172, the surface of the second screw rod 16 is in threaded connection with the threaded hole 172, the two side surfaces of the moving block 17 are fixedly connected with a second slider 171, a second slideway 121 is arranged on the inner side surface of the through groove 12, a second sliding block 171 is connected on the surface of the second slideway 121 in a sliding way, and the movable trolley 4, the winding and unwinding device 5, the first motor 9 and the second motor 13 are mutually associated.

During the use, wire rope 6 passes movable block 17, lift up the goods through lifting hook 7, receive and pay-off device 5 upwards receive and pay-off device 5 is correlated with, drive first lead screw 91 through first motor 9 and rotate, and then make first lead screw 91 surface threaded connection have lifting block 10 upwards slide in first slide 81 through a side first slider 101, and then make lifting beam 11 on the lifting block 10 inboard upwards move together, limit the scope that wire rope 6 rocked through the inside movable block 17 of lifting beam 11, the effect of reducing the beat when having played the rising goods, when moving the goods about, second motor 13 is correlated with travelling car 4, receive and pay-off device 5 drives wire rope 6 and moves about, and simultaneously, second motor 13 is rotated through driving first gear 14, and then drive second gear 15 and second lead screw 16 and rotate, and then make second lead screw 16 surface threaded connection's movable block 17 slide in second slide 121 through the second slider 171 of both sides, through the interrelation between first gear 14 and the travelling car 4, the scope of rocking motion is carried out to the goods has been reduced when the travelling car 17 is moved about to the side, the purpose of reducing the beat when moving the goods about the travelling car is reached and has reduced the yaw when moving the goods is moved about to the synchronous with the travelling car 17.

Example 2

Referring to fig. 5 to 6, the present utility model provides the following technical solutions: the surface of lifting beam 11 has seted up logical groove 12, and the internal surface sliding connection of logical groove 12 has movable block 17, and circular through-hole 18 has been seted up on the surface of movable block 17, and the fixed surface of circular through-hole 18 is connected with spring 19, and the quantity of spring 19 is six and circumference array distributes on the surface of circular through-hole 18, and the other end fixedly connected with buffer ring 20 of spring 19, and wire rope 6 passes buffer ring 20, and buffer ring 20's upper and lower edge department is provided with the fillet.

When the device is used, when a lifted load moves, the steel wire rope 6 can shake in the buffer ring 20 in the moving block 17, through the arrangement of the buffer ring 20 and the spring 19, the steel wire rope 6 is prevented from being in direct rigid contact with the round through hole 18 in the moving block 17, when the steel wire rope 6 is in shake to one side and offset, the steel wire rope is firstly in contact with the buffer ring 20, the spring 19 on the outer surface of the buffer ring 20 is extruded or stretched after the contact, the reaction force of the spring 19 provides movement resistance for the buffer ring 20 in the moving process, the buffer effect is achieved, and the abrasion of the steel wire rope 6 is reduced by avoiding the direct contact between the steel wire rope 6 and the round through hole 18, so that the purpose of protecting the steel wire rope 6 is achieved.

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 an anti-deflection portal crane, includes supporting leg (1), its characterized in that: the utility model discloses a lifting device for a vehicle, including supporting leg (1), walking device (2) are provided with the lower surface of supporting leg (1), the upper surface fixedly connected with crossbeam (3), the surface of crossbeam (3) is provided with travelling car (4), the lower surface of travelling car (4) is provided with coiling and uncoiling device (5), the shrink end of coiling and uncoiling device (5) is provided with wire rope (6), the other end of wire rope (6) is provided with lifting hook (7), medial surface sliding connection of supporting leg (1) has elevating beam (11), logical groove (12) have been seted up to the surface of elevating beam (11), the internal surface sliding connection of logical groove (12) has movable block (17), round through-hole (18) have been seted up on the surface of movable block (17), the surface fixedly connected with spring (19) of round through-hole (18), the other end fixedly connected with buffer ring (20) of spring (19).

2. The anti-yaw gantry crane of claim 1, wherein: the inner side of supporting leg (1) has seted up spout (8), first motor (9) are installed to the interior bottom surface of spout (8), the output fixedly connected with first lead screw (91) of first motor (9), the other end of first lead screw (91) is rotated with the interior roof of spout (8) through the bearing and is connected.

3. An anti-yaw gantry crane according to claim 2, characterized in that: the surface threaded connection of first lead screw (91) has lifter block (10), the surface fixedly connected with first slider (101) of lifter block (10), first slide (81) have been seted up to the medial surface of spout (8), the surface sliding connection of first slide (81) has first slider (101), the surface sliding connection of spout (8) has lifter block (10).

4. The anti-yaw gantry crane of claim 1, wherein: the two inner end surfaces of the through groove (12) are rotationally connected with a second lead screw (16) through bearings, a second gear (15) is fixedly connected with the outer surface of one end of the second lead screw (16), and the number of the second gears (15) and the number of the second lead screws (16) are two and symmetrically distributed in the through groove (12).

5. The anti-yaw gantry crane of claim 1, wherein: the inner end face of the through groove (12) is provided with a second motor (13), the output end of the second motor (13) is fixedly connected with a first gear (14), and the surface of the first gear (14) is in transmission connection with a second gear (15).

6. The anti-yaw gantry crane of claim 4, wherein: screw holes (172) are formed in the surface of the moving block (17), the surface of the second screw rod (16) is connected with the screw holes (172) in a threaded mode, second sliding blocks (171) are fixedly connected to two side faces of the moving block (17), second sliding ways (121) are formed in the inner side faces of the through grooves (12), the second sliding blocks (171) are connected to the surfaces of the second sliding ways (121) in a sliding mode, and the moving trolley (4), the winding and unwinding device (5), the first motor (9) and the second motor (13) are associated with each other.

7. The anti-yaw gantry crane of claim 1, wherein: the number of the springs (19) is six, and the circumferential arrays are distributed on the surface of the round through holes (18).

8. The anti-yaw gantry crane of claim 1, wherein: the steel wire rope (6) passes through the buffer ring (20), and round corners are arranged at the upper edge and the lower edge of the buffer ring (20).