CN219950297U - European style portal crane - Google Patents

Abstract

The utility model discloses an European portal crane, which relates to the technical field of cranes, in particular to an European portal crane, and comprises a hoisting mechanism and a support column, wherein one end of a hoisting rope of the hoisting mechanism is provided with a connecting disc, the lower end of the connecting disc is provided with a hoisting ring, the interior of the hoisting ring is provided with a sliding groove, the interior of the sliding groove is connected with a connecting block in a sliding manner, the outer surface of the connecting block is provided with a movable clamping ring, and the interior of the connecting block is provided with a first through hole. This European style portal crane sets up through the cooperation of movable snap ring, guide bar, first spring and rings, can hang the lifting sling with lifting cargo in the use on, along with the lifting of goods, under the gravity effect of goods, drives movable snap ring and moves down, extrudees first spring, makes movable snap ring insert to rings on, airtight rings to play the effect that prevents that the goods from breaking away from the hoist, reached the purpose that improves hoist lifting security.

Description

European style portal crane

Technical Field

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

Background

Gantry cranes (also known as gantry cranes) are bridge type cranes in which a bridge is supported on a ground track by two side legs. Structurally consists of a portal frame, a cart running mechanism, a trolley, an electric part and the like. Some portal cranes have legs on one side only and the other side is supported for operation on a building or trestle, known as semi-portal cranes. The portal upper bridge frame (comprising a main beam and an end beam), supporting legs, a lower cross beam and the like of the portal crane. In order to expand the working range of the crane, the main beam can extend out of the supporting legs to one side or two sides to form a cantilever. The crane trolley with the arm support can be adopted, and the operation range of the crane is enlarged through pitching and rotation of the arm support.

The existing portal crane generally moves objects through the lifting appliance, the object is required to be lifted when the object is moved by the crane, the object is easy to shake in the lifting and moving process, the object is easy to separate from the lifting appliance when the shake is serious, potential safety hazards are caused, and meanwhile, the lifting height of the existing portal crane is generally relatively fixed, the adjustment is inconvenient, and the suitability is poor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an European portal crane, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a European style portal crane, includes hoisting mechanism and support column, hoisting mechanism plays the one end of lifting rope and is provided with the connection pad, the lower extreme of connection pad is provided with rings, the sliding tray has been seted up to the inside of rings, the inside sliding connection of sliding tray has the connecting block, the surface of connecting block is provided with movable snap ring, first through-hole has been seted up to the inside of connecting block, the inside sliding connection of first through-hole has the guide bar, the both ends of guide bar set up on the inner wall of sliding tray, the surface of connecting block is provided with first spring, the one end setting of first spring is on the inner wall of sliding tray, the spliced groove has been seted up to the inside of rings, movable snap ring and spliced groove looks adaptation, the inside sliding connection of support column has the rectangle to prolong the post, the upper end of rectangle extended post is provided with the end beam, the surface of end beam is provided with the girder, hoisting mechanism sliding connection is on the girder.

Optionally, the sliding tray has been seted up to hoist mechanism's inside, the inside sliding connection of sliding tray has the sliding block, the surface rotation of sliding block is connected with the connecting rod, the one end that keeps away from the sliding block of connecting rod is provided with first axostylus axostyle, the both ends rotation of first axostylus axostyle is connected with the fixed block, the one end of fixed block is provided with the blotter.

Optionally, the surface of sliding block is provided with the second spring, the one end setting of second spring is on the inner wall of sliding tray, the surface of blotter is provided with the third spring, the one end setting of third spring is on hoisting mechanism's surface.

Optionally, a driving motor is arranged in the support column, and a screw is arranged at one end of an output shaft of the driving motor.

Optionally, the internal thread has been seted up to the inside of rectangle extending column, the rectangle extending column passes through internal thread and screw rod transmission connection.

Optionally, the number of the buffer pads is four, the buffer pads are uniformly distributed on the outer surface of the lifting mechanism, and the number of the connecting rods on each buffer pad is two.

(III) beneficial effects

The utility model provides an European portal crane, which has the following beneficial effects:

1. this European style portal crane sets up through the cooperation of movable snap ring, guide bar, first spring and rings, can hang the lifting sling with lifting cargo in the use on, along with the lifting of goods, under the gravity effect of goods, drives movable snap ring and moves down, extrudees first spring, makes movable snap ring insert to rings on, airtight rings to play the effect that prevents that the goods from breaking away from the hoist, reached the purpose that improves hoist lifting security.

2. This European style portal crane, through connecting rod, the sliding block, the second spring, the third spring, the blotter, driving motor, the cooperation setting of screw rod and rectangle extension post, can be through driving motor's rotation in the in-process of using, it rotates to transfer the screw rod, and then drive the rectangle extension post and go up and down, thereby the effect of conveniently adjusting hoist play the lifting height, the purpose of improving hoist suitability has been reached, simultaneously at the gliding in-process of hoist mechanism, when hoist mechanism slides the both ends of girder, the blotter contacts the end beam, the extrusion third spring, make the connecting rod rotate simultaneously, drive the sliding block and slide, the extrusion second spring, and then reduce the impact of hoist mechanism to the end beam.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the lifting ring of the present utility model;

FIG. 3 is a schematic diagram of a front view of the lifting mechanism of the present utility model;

fig. 4 is a schematic view of a three-dimensional structure of the present utility model.

In the figure: 1. a lifting mechanism; 2. a support column; 3. a connecting disc; 4. a hanging ring; 5. a connecting block; 6. a movable clasp; 7. a first spring; 8. rectangular extension columns; 9. an end beam; 10. a main beam; 11. a sliding block; 12. a connecting rod; 13. a cushion pad; 14. a second spring; 15. a third spring; 16. a driving motor; 17. and (3) a screw.

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. 2 and 4, the present utility model provides the following technical solutions: the utility model provides a European style portal crane, including hoisting mechanism 1 and support column 2, hoisting mechanism 1 lifting rope's one end is provided with connection pad 3, connection pad 3's lower extreme is provided with rings 4, the sliding tray has been seted up to rings 4's inside, sliding tray's inside sliding connection has connecting block 5, connecting block 5's surface is provided with movable snap ring 6, first through-hole has been seted up to connecting block 5's inside, first through-hole's inside sliding connection has the guide bar, the both ends of guide bar set up on the inner wall of sliding tray, connecting block 5's surface is provided with first spring 7, first spring 7's one end sets up on the inner wall of sliding tray, the jack-in groove has been seted up to rings 4's inside, movable snap ring 6 and jack-in groove looks adaptation, support column 2's inside sliding connection has rectangle to prolong post 8, the upper end of rectangle extension post is provided with end beam 9, end beam 9's surface is provided with girder 10, hoisting mechanism 1 sliding connection is on girder 10.

During the use, through the cooperation setting of movable snap ring 6, the guide bar, first spring 7 and rings 4, can hang the lifting sling 4 with lifting cargo in the in-process of using, along with the lifting of goods, under the gravity effect of goods, drive movable snap ring 6 and move down, extrude first spring 7, make movable snap ring 6 peg graft in the jack-in groove of rings 4, airtight rings 4, thereby the effect that prevents the goods and break away from the hoist has been played, the purpose that improves hoist lifting security has been reached, after the goods was lifted to corresponding position, the goods falls subaerial, under the elasticity effect of first spring 7, movable snap ring 6 shifts up, make movable snap ring 6 break away from the jack-in groove of rings 4, the taking out of convenient goods.

Example 2

Referring to fig. 1 and 3, the present utility model provides the following technical solutions: the inside of hoist mechanism 1 has been seted up the sliding tray, the inside sliding connection of sliding tray has slider 11, slider 11's surface rotates and is connected with connecting rod 12, the one end that keeps away from slider 11 of connecting rod 12 is provided with first axostylus axostyle, the both ends rotation of first axostylus axostyle are connected with the fixed block, the one end of fixed block is provided with blotter 13, slider 11's surface is provided with second spring 14, the one end setting of second spring 14 is on the inner wall of sliding tray, blotter 13's surface is provided with third spring 15, third spring 15's one end setting is on hoist mechanism 1's surface, the inside of support column 2 is provided with driving motor 16, driving motor 16 output shaft's one end is provided with screw 17, the internal thread has been seted up to the inside of rectangle extension post, the rectangle extension post passes through internal thread and is connected with screw 17 transmission, the quantity of blotter 13 is four, evenly distributed on hoist mechanism 1's surface, the connecting rod 12 quantity on every blotter 13 is two.

During the use, through the cooperation setting of connecting rod 12, sliding block 11, second spring 14, third spring 15, blotter 13, driving motor 16, screw rod 17 and rectangle extension post, can pass through driving motor 16's rotation in the in-process of using, it rotates to transfer screw rod 17, and then drive the rectangle extension post and go up and down, thereby the effect of conveniently adjusting hoist lifting height has been played, the purpose of improving hoist suitability has been reached, simultaneously in the gliding in-process of hoist mechanism 1, when hoist mechanism 1 slides to the both ends of girder 10, blotter 13 contacts end beam 9, extrusion third spring 15, make connecting rod 12 rotate simultaneously, drive sliding block 11 and slide, extrusion second spring 14, and then reduce hoist mechanism 1 to the impact of end beam 9.

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 (6)

1. The utility model provides a European portal crane, includes hoisting mechanism (1) and support column (2), its characterized in that: the lifting mechanism comprises a lifting mechanism body, wherein a connecting disc (3) is arranged at one end of a lifting rope of the lifting mechanism body, a lifting ring (4) is arranged at the lower end of the connecting disc (3), a sliding groove is formed in the lifting ring (4), a connecting block (5) is connected to the sliding groove in a sliding mode, a movable clamping ring (6) is arranged on the outer surface of the connecting block (5), a first through hole is formed in the connecting block (5), a guide rod is connected to the inner side of the first through hole in a sliding mode, two ends of the guide rod are arranged on the inner wall of the sliding groove, a first spring (7) is arranged on the outer surface of the connecting block (5), a splicing groove is formed in the lifting ring (4), a rectangular extension column (8) is connected to the inner side of the movable clamping ring (6) in a sliding mode, an end beam (9) is arranged at the upper end of the rectangular extension column, and a main beam (10) is arranged on the outer surface of the end beam (9) in a sliding mode, and the lifting mechanism body (1) is connected to the main beam (10) in a sliding mode.

2. The portal European crane of claim 1, wherein: the lifting mechanism is characterized in that a sliding groove is formed in the lifting mechanism (1), a sliding block (11) is connected to the sliding groove in a sliding mode, a connecting rod (12) is connected to the outer surface of the sliding block (11) in a rotating mode, a first shaft rod is arranged at one end, far away from the sliding block (11), of the connecting rod (12), fixing blocks are connected to the two ends of the first shaft rod in a rotating mode, and a buffer pad (13) is arranged at one end of each fixing block.

3. An european portal crane as claimed in claim 2, wherein: the outer surface of the sliding block (11) is provided with a second spring (14), one end of the second spring (14) is arranged on the inner wall of the sliding groove, the outer surface of the buffer pad (13) is provided with a third spring (15), and one end of the third spring (15) is arranged on the outer surface of the lifting mechanism (1).

4. The portal European crane of claim 1, wherein: the inside of support column (2) is provided with driving motor (16), one end of driving motor (16) output shaft is provided with screw rod (17).

5. The portal European crane of claim 1, wherein: the inside of rectangle extending column has seted up the internal thread, rectangle extending column passes through internal thread and screw rod (17) transmission connection.

6. An european portal crane as claimed in claim 2, wherein: the number of the buffer pads (13) is four, the buffer pads are uniformly distributed on the outer surface of the lifting mechanism (1), and the number of the connecting rods (12) on each buffer pad (13) is two.