CN219341440U

CN219341440U - Sling drop preventing device of straight arm lorry-mounted crane

Info

Publication number: CN219341440U
Application number: CN202320373556.XU
Authority: CN
Inventors: 周春燕
Original assignee: Jiangsu Suizhong Heavy Industry Technology Co ltd
Current assignee: Jiangsu Suizhong Heavy Industry Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-14
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses a sling groove-releasing preventing device of a straight arm lorry-mounted crane, which comprises a guide wheel, wherein a sling is arranged on the inner ring of the guide wheel; the outer rings at two sides of the guide wheel are symmetrically provided with a plurality of waist-shaped grooves, the outer part of the guide wheel is symmetrically provided with two semicircular shells, and the inner wall of each semicircular shell is provided with inserting blocks with the shape and the number matched with those of the waist-shaped grooves; the top of the guide wheel is connected with the lifting rope of the crane, the diameter of the inner ring of the guide wheel is smaller than that of the outer ring, and the sling is arranged on the inner ring.

Description

Sling drop preventing device of straight arm lorry-mounted crane

Technical Field

The utility model relates to the technical field of crane hoisting equipment, in particular to a sling groove-releasing preventing device of a straight arm lorry-mounted crane.

Background

The truck crane truck, the truck crane for short, is a device for lifting, turning and lifting cargoes through a hydraulic lifting and telescopic system, is usually assembled on a truck, and can be used for hoisting in a lifting device of a straight arm truck crane.

However, when the sling of the existing straight arm lorry-mounted crane is actually used, the sling is usually required to be installed in a sling pulley of the crane, when the sling is used for hoisting an article, the sling can slide in the pulley, and in the process, if the article is deviated or the pulley is severely worn, the sling can be separated or deviated from an annular groove of the pulley, so that the safety of the sling is affected, and the article is easily dropped or the sling is damaged.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

Therefore, an object of the present utility model is to provide a sling anti-falling device for a straight arm crane, which can sleeve two semicircular shells into an outer ring of a guide wheel, and attach two arc plates to form a cylindrical plate, wherein a sling is limited by the coating of the cylindrical plate, so that the sling is prevented from falling out of the guide groove, and the safety of the sling in use is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sling groove-releasing preventing device of the straight arm lorry-mounted crane comprises a guide wheel, wherein a sling is arranged on the inner ring of the guide wheel; the outer rings on two sides of the guide wheel are symmetrically provided with a plurality of waist-shaped grooves, the outer parts of the guide wheel are symmetrically provided with two semicircular shells, the inner wall of each semicircular shell is provided with inserting blocks with the shape and quantity matched with those of the waist-shaped grooves, the inserting blocks are inserted into the waist-shaped grooves, the inserting blocks are fixedly connected to the inside of the waist-shaped grooves through fixing bolts, two extension plates are symmetrically welded on the outer parts of the semicircular shells, arc plates are arranged on opposite sides of each extension plate through rotating shafts, and each arc plate is attached to each other to form a cylindrical plate.

Preferably, the outer ring thread of leading wheel is connected with the roof, the top welding of roof has rings.

Preferably, the sling is provided with a hook.

Preferably, the two sides of the arc plate are provided with convex edges, and the convex edges are provided with threaded holes.

Preferably, the number of the waist-shaped grooves is not less than four.

Preferably, the sling is optionally a wire rope or a chain rope.

Compared with the prior art, the utility model has the beneficial effects that: when the lifting sling is used, the two semicircular shells are sleeved into the outer ring of the guide wheel, the two arc plates are oppositely attached to form the cylindrical plate, and the lifting sling is coated, when the lifting sling is matched with the lifting hook to carry out lifting operation, the lifting sling can be prevented from being separated from the guide groove under the limitation of coating of the cylindrical plate when moving in the guide groove, and the safety of the lifting sling in use is improved.

Drawings

FIG. 1 is a schematic structural view of a sling run-out prevention device for a straight arm lorry-mounted crane according to an embodiment of the utility model;

FIG. 2 is a schematic structural view of a semicircular shell and an arc plate in a sling drop prevention device of a straight arm lorry-mounted crane according to an embodiment of the utility model;

FIG. 3 is a schematic view of another view of the anti-sloughing device of the straight arm lorry-mounted crane according to the embodiment of the utility model;

fig. 4 is a schematic structural view of a semicircular shell and an insert block in a sling drop prevention device of a straight arm lorry-mounted crane according to an embodiment of the utility model.

In the figure: 1. a guide wheel; 2. a waist-shaped groove; 3. inserting blocks; 4. a semicircular housing; 5. a fixing bolt; 6. an extension plate; 7. an arc-shaped plate; 8. a sling; 9. a lifting hook; 10. a top plate; 11. a hanging ring; 12. a threaded hole; 13. a rotating shaft.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model provides a sling anti-falling device of a straight arm lorry-mounted crane, comprising: a guide wheel 1, a sling 8 and a semicircular shell 4.

As shown in fig. 1 and 4, a sling 8 is arranged on the inner ring of the guide wheel 1; the both sides outer lane of leading wheel 1 all symmetry is equipped with a plurality of waist type grooves 2, and the outside symmetry of leading wheel 1 is equipped with two semicircular shell 4, and semicircular shell 4's inner wall is equipped with shape and quantity and waist type groove 2 assorted inserted block 3, and inside the inserted block 3 inserted waist type groove 2, and inside the inserted block 3 passed through dead bolt 5 fixed connection in waist type groove 2, simultaneously, the quantity in waist type groove 2 is not less than four.

When the lifting rope is used, the top of the guide wheel 1 is connected with a lifting rope of the crane, the diameter of the inner ring of the guide wheel 1 is smaller than that of the outer ring, a guide groove of a sling 8 is formed between the inner ring and the outer ring, the sling 8 is arranged on the inner ring and slides on the inner ring, and when the semicircular shell 4 is arranged, the insertion block 3 is inserted into the waist-shaped groove 2 and is connected inside the waist-shaped groove 2 through the through insertion block 3 of the fixing bolt 5, so that the semicircular shell 4 is arranged.

As shown in fig. 3-4, two extension plates 6 are symmetrically welded on the outer parts of the two semicircular shells 4, arc plates 7 are mounted on opposite sides of each two extension plates 6 through rotating shafts 13, and cylindrical plates are formed when each two arc plates 7 are oppositely attached.

When the lifting device is used, the two semicircular shells 4 are sleeved into the outer ring of the guide wheel 1, the insertion block 3 is inserted into the waist-shaped groove 2, in the process, the two arc plates 7 are relatively attached to form a cylindrical plate, the lifting rope 8 is coated, after the semicircular shells 4 are fixed through the fixing bolts 5, the lifting rope 8 can slide under the limitation of the coating of the cylindrical plate when being matched with the lifting hook 9 to carry out lifting operation, and the lifting rope 8 moves in the guide groove.

As shown in fig. 1-2, the outer ring of the guide wheel 1 is in threaded connection with a top plate 10, the top of the top plate 10 is welded with a hanging ring 11, the top of the guide wheel 1 can be connected with a crane lifting rope through the hanging ring 11, meanwhile, a lifting hook 9 is arranged on the lifting rope 8, and the lifting hook 9 can play a role in hanging articles.

As shown in fig. 3, protruding edges are respectively arranged on two sides of the arc-shaped plates 7, threaded holes 12 are formed in the protruding edges, and after the two arc-shaped plates 7 are relatively attached, the fixing parts can be connected inside the threaded holes 12 through threads, so that the position of the two arc-shaped plates 7 can be fixed.

The sling 8 may be a wire rope or a chain rope.

According to the technical scheme, the working steps of the scheme are summarized and carded: according to the utility model, the top of the guide wheel 1 is connected with a crane lifting rope, the diameter of the inner ring of the guide wheel 1 is smaller than that of the outer ring, a guide groove of a sling 8 is formed between the inner ring and the outer ring, and the sling 8 is arranged on the inner ring and slides on the inner ring.

During installation, two semicircular shells 4 are sleeved into the outer ring of the guide wheel 1, the insertion block 3 is inserted into the waist-shaped groove 2, in the process, the two arc plates 7 are relatively attached to form a cylindrical plate, the sling 8 is coated, after the semicircular shells 4 are fixed through the fixing bolts 5, the sling 8 is matched with the lifting hook 9 to carry out lifting operation, and the sling 8 can be prevented from being separated from the guide groove under the limitation of the coating of the cylindrical plate when moving in the guide groove, so that the safety of the sling in use is improved.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straight arm lorry-mounted crane sling anticreep groove device, includes leading wheel (1), the inner circle of leading wheel (1) is equipped with hoist cable (8), its characterized in that:

the utility model discloses a novel energy saving device for the automobile steering wheel, including guiding wheel (1), including waist type groove (2), fixed bolt (5), arc (7) are all installed through pivot (13) to the outside symmetry of guiding wheel (1), the inner wall of semi-circular shell (4) be equipped with shape and quantity with waist type groove (2) assorted inserted block (3), inserted block (3) insert inside waist type groove (2), just inserted block (3) pass through dead bolt (5) fixed connection in inside waist type groove (2), two the outside equal symmetrical welding of semi-circular shell (4) has two extension boards (6), every two arc (7) are all installed through pivot (13) to the relative one side of extension board (6), and every two form cylindric board when arc (7) are laminated relatively.

2. The sling out-of-groove prevention device of a straight arm lorry-mounted crane according to claim 1, wherein: the outer ring threaded connection of leading wheel (1) has roof (10), the top welding of roof (10) has rings (11).

3. The sling out-of-groove prevention device of a straight arm lorry-mounted crane according to claim 1, wherein: and a lifting hook (9) is arranged on the sling (8).

4. The sling out-of-groove prevention device of a straight arm lorry-mounted crane according to claim 1, wherein: both sides of the arc-shaped plate (7) are provided with convex edges, and threaded holes (12) are formed in the convex edges.

5. The sling out-of-groove prevention device of a straight arm lorry-mounted crane according to claim 1, wherein: the number of the waist-shaped grooves (2) is not less than four.

6. The sling out-of-groove prevention device of a straight arm lorry-mounted crane according to claim 1, wherein: the sling (8) can be a steel wire rope or a chain rope.