CN223016320U

CN223016320U - Portal crane with anti-swing structure

Info

Publication number: CN223016320U
Application number: CN202422023958.4U
Authority: CN
Inventors: 郭进鹏; 兰朋; 田凡; 李雨豪
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2024-08-20
Filing date: 2024-08-20
Publication date: 2025-06-24
Anticipated expiration: 2034-08-20

Abstract

The utility model discloses a portal crane with an anti-swing structure, and mainly relates to a portal crane. Including two supports, the upper end fixedly connected with crossbeam of two supports, the surface mounting of crossbeam has hoisting device, hoisting device's surface mounting has the hook lock, the surface of crossbeam is equipped with adjusting structure, adjusting structure is including removing the frame, remove frame and crossbeam sliding connection, the inner wall rotation that removes the frame is connected with a plurality of pulley, the arc surface and the crossbeam sliding connection of a plurality of pulley, the both sides fixedly connected with two stay tubes that remove the frame, the equal threaded connection of inner wall of two stay tubes has the regulation pole, the lower extreme rotation of regulation pole is connected with the locating plate, the upper surface fixedly connected with gag lever post of locating plate. The utility model has the beneficial effects that the two positioning plates are operated to be propped against the upper surface of the hoisted article, the hoisted article is limited by the positioning plates, the hoisted article can be effectively prevented from swinging, the operation is simple and convenient, and the safety is high.

Description

Portal crane with anti-swing structure

Technical Field

The utility model relates to the technical field of portal cranes, in particular to a portal crane with an anti-swing structure.

Background

The gantry crane is also called as gantry crane, is a lifting equipment suitable for loading and unloading materials and heavy objects such as machines and the like indoors and outdoors, and consists of a large portal frame, a trolley and a lifting mechanism.

In the prior art, when a gantry crane is used for lifting a heavy object, the crane is controlled to integrally move to the upper part of the heavy object, then the hook lock of the crane is controlled to be lowered to the upper surface of the heavy object, the hook lock is operated to be connected with the heavy object, then the crane is controlled to retract the hook lock, so that the heavy object is lifted, the following problems can occur in the operation, when the lifting device lifts the heavy object by means of the hook lock to move, the heavy object easily shakes under the action of inertia, and dangerous situations can be caused when the shaking amplitude is large.

Disclosure of utility model

The utility model aims to solve the defects that the suspended weight is easy to shake and the safety is low in the moving process in the prior art.

In order to achieve the purpose, the portal crane with the anti-swing structure comprises two supports, wherein the upper ends of the two supports are fixedly connected with a cross beam, the surface of the cross beam is provided with a lifting device, the surface of the lifting device is provided with a hook lock, the surface of the cross beam is provided with an adjusting structure, the adjusting structure comprises a moving frame, the moving frame is in sliding connection with the cross beam, the inner wall of the moving frame is rotationally connected with a plurality of pulleys, the arc surfaces of the pulleys are in sliding connection with the cross beam, two support tubes are fixedly connected with two sides of the moving frame, the inner walls of the two support tubes are respectively in threaded connection with an adjusting rod, the lower end of the adjusting rod is rotationally connected with a positioning plate, the upper surface of the positioning plate is fixedly connected with a limiting rod, and the arc surface of the limiting rod is in sliding connection with a rectal tube.

The lifting device has the advantages that the lifting device is limited by the positioning plate, so that the lifting device can be effectively prevented from swinging, the operation is simple and convenient, and the safety is high.

Preferably, the inner wall of the movable frame is fixedly connected with a plurality of base plates at positions corresponding to the lifting device, and the cross sections of the base plates are rectangular.

The lifting device drives the movable frame to move along the cross beam, and the movable frame and the lifting device are protected by the base plate, so that damage is reduced.

Preferably, the circular arc surface of the adjusting rod is fixedly connected with a circular ring, a plurality of round holes are formed in the circular arc surface of the circular ring, and a handle rod is slidably connected to the inner wall of one of the round holes.

The above components have the advantages that the handle bar is operated to drive the circular ring to rotate, and the circular ring drives the adjusting rod to rotate, so that a user can conveniently rotate the adjusting rod.

Preferably, the arc surface of the handle rod is fixedly connected with an anti-slip sleeve, and a plurality of anti-slip patterns are formed on the arc surface of the anti-slip sleeve.

The anti-slip cover has the advantages that friction of the arc surface of the handle bar is increased, and a user can conveniently rotate the handle bar.

Preferably, the locating plate is provided with an auxiliary structure on the surface, the auxiliary structure comprises a plurality of auxiliary frames, the auxiliary frames are fixedly connected with the locating plate, the inner walls of the auxiliary frames are slidably connected with auxiliary rods, one sides of the auxiliary frames far away from the locating plate are inserted with screw rods in a threaded manner, and the lower ends of the auxiliary rods are rotationally connected with a bottom plate.

The auxiliary rod is operated to extend out of the auxiliary frame when the article with uneven surface is hoisted, and the auxiliary rod is abutted against the surface of the article, so that the positioning plate is fully attached to the article, and the limiting effect of the positioning plate is better.

Preferably, an anti-skid groove is formed in one side, close to the screw rod, of the auxiliary rod, and a plurality of anti-skid protrusions are fixedly connected to the inner wall of the anti-skid groove.

The auxiliary rod has the advantages that friction between the auxiliary rod and the screw rod is increased through the anti-skid groove, so that the limit effect of the screw rod on the auxiliary rod is better.

Preferably, the lower surface of the bottom plate is fixedly connected with a soft cushion, and the soft cushion is a rubber cushion.

The parts have the effect of reducing abrasion to the articles when the bottom plate contacts with the hoisted articles through the soft cushion.

In summary, the beneficial effects of the utility model are as follows:

When the gantry crane is used for lifting the heavy object, the crane is controlled to integrally move to the upper side of the heavy object, then the hook lock of the crane is controlled to be lowered to the upper surface of the heavy object, the hook lock is operated to be connected with the heavy object, then the crane is controlled to retract the hook lock, so that the heavy object is lifted, however, the following problems can occur in the operation, when the lifting device lifts the heavy object to move by means of the hook lock, the heavy object is easy to shake under the action of inertia, dangerous situations can be caused when the shaking amplitude is large, the two positioning plates are operated to abut against the upper surface of the lifting object by arranging the adjusting structure, the lifting object is limited by the positioning plates, the swing of the lifting object can be effectively prevented, the operation is simple and convenient, and the safety is high.

When lifting an irregular heavy object on the upper surface, the positioning plate is not fully attached to the heavy object, the limiting effect is poor, the auxiliary structure is arranged, when lifting an uneven object, the auxiliary frame is extended by the operation auxiliary rod, the auxiliary rod is abutted to the surface of the object, the positioning plate is fully attached to the object, and the limiting effect of the positioning plate is better.

Drawings

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

FIG. 2 is a schematic structural view of the adjustment structure of the present utility model;

FIG. 3 is a schematic view of a part of the adjusting structure of the present utility model;

Fig. 4 is a schematic structural diagram of the auxiliary structure of the present utility model.

The drawing shows that the reference numerals are 1, a bracket, 2, a cross beam, 3, a lifting device, 4, a hook lock, 5, an adjusting structure, 501, a movable frame, 502, pulleys, 503, a base plate, 504, a supporting tube, 505, an adjusting rod, 506, a positioning plate, 507, a limiting rod, 508, a circular ring, 509, a handle rod, 510, an anti-skid sleeve, 6, an auxiliary structure, 61, an auxiliary frame, 62, an auxiliary rod, 63, a screw rod, 64, a bottom plate, 65, a soft cushion, 66 and an anti-skid groove.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.

Referring to fig. 1, the utility model provides a technical scheme that a portal crane with an anti-swing structure comprises two brackets 1, wherein the upper ends of the two brackets 1 are fixedly connected with a beam 2, a lifting device 3 is arranged on the surface of the beam 2, a hook lock 4 is arranged on the surface of the lifting device 3, an adjusting structure 5 is arranged on the surface of the beam 2, and an auxiliary structure 6 is arranged on the surface of a positioning plate 506.

The specific arrangement and function of the adjustment structure 5 and the auxiliary structure 6 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the adjusting structure 5 comprises a moving frame 501, the moving frame 501 is in sliding connection with a cross beam 2, a plurality of pulleys 502 are rotatably connected to the inner wall of the moving frame 501, a plurality of backing plates 503 are fixedly connected to the two sides of the moving frame 501, two supporting pipes 504 are fixedly connected to the inner walls of the two supporting pipes 504, adjusting rods 505 are connected to the lower ends of the adjusting rods 505 in a threaded mode, positioning plates 506 are fixedly connected to limiting rods 507 on the upper surfaces of the positioning plates 506, the arc surfaces of the limiting rods 507 are in sliding connection with rectal tubes, the two positioning plates 506 are operated to abut against the upper surfaces of lifting articles, the positioning plates 506 are utilized to limit the lifting articles, a plurality of backing plates 503 are fixedly connected to the inner wall of the moving frame 501 in a position corresponding to the lifting device 3, the cross section of the backing plates 503 is rectangular, the lifting device 3 drives the moving frame 501 to move along the cross beam 2, protection is carried out between the moving frame 501 and the lifting device 3 by the backing plates 503, damage is reduced, a circular ring 508 is fixedly connected to the upper surface of the adjusting rods 505, a plurality of circular holes are formed in the surfaces of the circular arc 508, the inner wall of the circular ring 508 is in the circular ring 509 is in sliding connection with the circular arc 509, a plurality of the circular arc shafts 509 are in the circular ring 509, a plurality of the circular ring 509 are driven to rotate by the circular ring 509, and the circular ring 509 is driven to rotate by the circular ring 509, the circular ring 509 is convenient to rotate by the circular ring 509, and the circular ring 509 is convenient to rotate a user to rotate by the circular ring 509 to rotate.

Referring to fig. 4, in this embodiment, the auxiliary structure 6 includes a plurality of auxiliary frames 61, the plurality of auxiliary frames 61 are fixedly connected with the positioning plate 506, an auxiliary rod 62 is slidably connected to an inner wall of the auxiliary frames 61, a screw 63 is inserted into one side of the auxiliary frames 61 far away from the positioning plate 506, a bottom plate 64 is rotatably connected to a lower end of the auxiliary rod 62, when an article with uneven surface is hoisted, the auxiliary rod 62 is operated to extend out of the auxiliary frames 61, the auxiliary rod 62 is abutted against the surface of the article, the positioning plate 506 is attached to the article more fully, further, a limit effect of the positioning plate 506 is better, an anti-slip groove 66 is formed in one side of the auxiliary rod 62 close to the screw 63, a plurality of anti-slip protrusions are fixedly connected to an inner wall of the anti-slip groove 66, friction between the auxiliary rod 62 and the screw 63 is increased through the anti-slip groove 66, a limit effect of the screw 63 on the auxiliary rod 62 is better, a soft cushion 65 is fixedly connected to a lower surface of the bottom plate 64, the soft cushion 65 is a rubber cushion, and the soft cushion 65 is a rubber cushion, when the bottom plate 64 contacts the hoisted article.

The use method is described in detail, through arranging the adjusting structure 5, rotate the adjusting rod 505, the adjusting rod 505 moves downwards along the supporting tube 504 by means of threads, the adjusting rod 505 drives the positioning plate 506 to move downwards, in the process, the limiting rod 507 always slides along the supporting tube 504, the adjusting rod 505 continues to rotate until the positioning plate 506 is closely abutted against the upper surface of a hoisted article, the other positioning plate 506 is adjusted in the same way, when the hoisting device 3 moves along the cross beam 2, the hoisting device 3 pushes the movable frame 501 to move along the cross beam 2, the pulley 502 on the movable frame 501 slides along the cross beam 2, the positioning plate 506 is kept on the upper surface of the hoisted article all the time, the hoisted article is limited, wherein the hoisting device 3 drives the movable frame 501 to move along the cross beam 2, the base plate 503 is utilized to protect between the movable frame 501 and the hoisting device 3, damage is reduced, the operating handle rod 509 drives the circular ring 508 to rotate, the circular ring 508 drives the adjusting rod 505 to rotate, a user conveniently rotates the adjusting rod 505, the friction of the circular arc surface of the handle 509 is increased by the anti-skid sleeve 510, and the user conveniently rotates the handle rod 509.

By arranging the auxiliary structure 6, observing the position where the bonding between the positioning plate 506 and the upper surface of the hoisted article is insufficient, rotating the screw 63 at the corresponding position, moving the screw 63 away from the auxiliary rod 62 along the auxiliary frame 61 by virtue of threads, moving the auxiliary rod 62 downwards, driving the bottom plate 64 to extend to the surface of the hoisted article by virtue of the auxiliary rod 62, rotating the bottom plate 64 until the surface of the hoisted article is bonded, then rotating the screw 63 in the opposite direction, moving the screw 63 by virtue of threads towards the direction close to the auxiliary rod 62 until the screw 63 extrudes and limits the auxiliary rod 62, wherein friction between the auxiliary rod 62 and the screw 63 is increased by the anti-skid grooves 66, the limiting effect of the screw 63 on the auxiliary rod 62 is better, and abrasion caused to the article is reduced when the bottom plate 64 contacts the hoisted article by virtue of the soft cushion 65.

Claims

1. The portal crane with the anti-swing structure comprises two supports (1) and is characterized in that the upper ends of the two supports (1) are fixedly connected with a cross beam (2), a lifting device (3) is arranged on the surface of the cross beam (2), a hook lock (4) is arranged on the surface of the lifting device (3), an adjusting structure (5) is arranged on the surface of the cross beam (2), the adjusting structure (5) comprises a movable frame (501), the movable frame (501) is in sliding connection with the cross beam (2), a plurality of pulleys (502) are rotatably connected to the inner wall of the movable frame (501), two support tubes (504) are fixedly connected to the two sides of the movable frame (501), an adjusting rod (505) is connected to the inner wall of the support tubes (504) in a threaded mode, a positioning plate (506) is rotatably connected to the lower end of the adjusting rod (505), a limiting rod (507) is fixedly connected to the upper surface of the positioning plate (506), and the limiting rod (507) is in sliding connection with a circular arc tube.

2. The portal crane with the anti-swing structure of claim 1, wherein a plurality of base plates (503) are fixedly connected to the inner wall of the movable frame (501) at positions corresponding to the lifting device (3), and the cross section of each base plate (503) is rectangular.

3. The gantry crane with the anti-swing structure of claim 1, wherein the circular arc surface of the adjusting rod (505) is fixedly connected with a circular ring (508), the circular arc surface of the circular ring (508) is provided with a plurality of round holes, and the inner wall of one of the round holes is slidably connected with a handle (509).

4. The portal crane with the anti-swing structure of claim 3, wherein the arc surface of the handle bar (509) is fixedly connected with an anti-slip sleeve (510), and a plurality of anti-slip patterns are formed on the arc surface of the anti-slip sleeve (510).

5. The gantry crane with the anti-swing structure of claim 1, wherein an auxiliary structure (6) is arranged on the surface of the positioning plate (506), the auxiliary structure (6) comprises a plurality of auxiliary frames (61), the auxiliary frames (61) are fixedly connected with the positioning plate (506), auxiliary rods (62) are slidably connected to the inner walls of the auxiliary frames (61), a screw (63) is inserted into one side, far away from the positioning plate (506), of the auxiliary frames (61), and a bottom plate (64) is rotatably connected to the lower end of the auxiliary rods (62).

6. The portal crane with the anti-swing structure of claim 5, wherein an anti-slip groove (66) is formed on one side, close to the screw rod (63), of the auxiliary rod (62), and a plurality of anti-slip protrusions are fixedly connected to the inner wall of the anti-slip groove (66).

7. The portal crane with the swing preventing structure of claim 5, wherein a soft pad (65) is fixedly connected to the lower surface of the bottom plate (64), and the soft pad (65) is a rubber pad.