CN211169542U - Lifting appliance and lifting device thereof - Google Patents

Abstract

The utility model relates to a hoist and hoist device thereof, include: the lifting piece comprises a body and a lifting piece, wherein the body comprises a limiting structure, the inner wall of the limiting structure is enclosed into a limiting cavity (6) matched with the cross section of the lifting piece in shape, the limiting structure comprises two side walls (4) positioned at the lower end of the body, and the lower ends of the two side walls (4) are provided with contraction parts (5) which oppositely contract the limiting cavity (6); the fastener is movably arranged on the body and comprises a nut (1) fixedly arranged on the body and a bolt (2) arranged on the nut (1) and with one end extending into the limiting cavity (6), and the extension line of the bolt (2) is intersected with the corresponding contraction part (5). The utility model discloses a hoist has that structural performance is better, has better bearing capacity, application range wider, more laborsaving during the fastening, simple structure, with low costs, hoist firm, the good, advantage of security.

Description

Lifting appliance and lifting device thereof

Technical Field

The utility model relates to a hoist technical field, concretely relates to hoist and hoist device thereof.

Background

In the production and manufacturing industry of modern industry, a travelling rail is used under many conditions, so that the travelling rail brings convenience to the carrying process of large objects, and a large amount of workload is saved.

Because the material of the travelling crane rail is usually made of steel material with larger mass, and the length of the travelling crane rail is determined by the use requirement of the travelling crane rail, the rail is extremely heavy and is inconvenient to carry. If the lifting hole is formed in the web plate of the rail, the stress condition of the rail is influenced, and the service life of the rail is influenced.

At present, hoisting is usually carried out by using a steel wire rope to bind a track, but the balance of the track in the dispatching and transporting process is not easy to grasp by the hoisting mode, so that the track and the steel wire rope can slide relatively in the hoisting process easily, and the safety problem is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the not firm, poor defect of security of track hoist and mount among the prior art to a hoist and mount that track hoist and mount is firm, the security is good and hoist device thereof is provided.

The technical scheme of the utility model is that:

the utility model provides a lifting appliance, includes body and fastener, and the body includes limit structure, limit structure's inner wall enclose into with the spacing chamber of the cross sectional shape looks adaptation of hoist and mount piece, the fastener is mobilizable to be installed on the body, with limit structure cooperation, can change the size in spacing chamber.

The limiting structure comprises two side walls positioned at the lower end of the body, and contraction portions which oppositely contract the limiting cavities are arranged at the lower ends of the two side walls.

The limiting structure and the body are integrally formed, and the body is formed by casting or cutting.

The limiting cavity penetrates through the body.

The fastener sets up the upside in spacing chamber.

The fastener includes the fixed nut of establishing on the body and install on the nut, one end stretches into the bolt in spacing intracavity.

The extension line of the bolt intersects with the corresponding contraction part.

The lifting appliance further comprises a lifting hole formed in the body, the body is in an isosceles trapezoid shape, and the center of the lifting hole is located on a symmetry axis of the isosceles trapezoid.

The hoisting piece is a track.

The utility model provides a hoisting device, has a plurality of foretell hoists of arranging the setting, hoist and mount piece wear to locate spacing intracavity the utility model discloses technical scheme has following advantage:

1. the utility model discloses a hoist, limit structure's inner wall enclose into the spacing chamber with the cross sectional shape looks adaptation of hoist and mount piece, the fastener with limit structure cooperation, can change the size in spacing chamber will be hoisted the piece and fix in spacing intracavity. In the hoisting process, the hoisting piece is located in the limiting cavity, and after the size of the limiting cavity is changed by matching the fastener with the limiting structure, the hoisting piece is firmly fixed in the limiting cavity, and the hoisting piece and the hoisting tool are not easy to slide relatively. Therefore, the lifting appliance has the advantages of firm lifting and good safety.

2. The utility model discloses a hoist, limit structure and body integrated into one piece, the body forms through casting or cutting, makes the structural performance of this hoist better, has better bearing capacity.

3. The utility model discloses a hoist, spacing chamber runs through the body sets up to rectangular shape hoist and mount piece, and hoist and mount piece can pass the body through spacing chamber to use the fastener to fix hoist and mount piece in spacing intracavity, make this hoist and mount piece's application range wider.

4. The utility model discloses a hoist, hoist and mount piece receive self action of gravity, and its lower extreme is inseparable with the laminating in spacing chamber, and the fastener setting is at the upside in spacing chamber, and spacing chamber cooperatees with the fastener, will hoist and mount the piece fixed at vertical direction application of force, and the direction of gravity of the moving direction hoist and mount piece of fastener is unanimous, and is more laborsaving during the fastening.

5. The utility model discloses a lifting appliance, fastener include bolt and nut, and the nut is fixed to be established on the body, and the bolt is installed on the nut, and its one end stretches into spacing intracavity twists the bolt, realizes changing the size in spacing chamber, and this kind of implementation is very simple, and is with low costs.

The utility model discloses a lifting appliance, the extension line of bolt with correspond the constriction is crossing, and when screwing up the bolt, hoist and mount piece receives at least and comes from bolt tip and correspondence the stationary force of constriction is better to the fixed effect of hoist and mount piece.

7. The utility model discloses a lifting appliance, body are isosceles trapezoid, and the center of lewis hole is located on isosceles trapezoid's the symmetry axis, avoid the body to take place to deflect and influence the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals:

1-a nut; 2-bolt; 3-hanging holes; 4-a side wall; 5-a constriction; 6-limiting cavity.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The lifting appliance of the embodiment comprises a body and a fastener, wherein the body comprises a limiting structure and a lifting hole 3, as shown in fig. 1.

Spacing structure's inner wall encloses into the spacing chamber 6 with the cross sectional shape looks adaptation of hoist and mount piece, the mobilizable installation of fastener is on the body, with spacing structure cooperation, can change spacing chamber 6's size, spacing structure is including two lateral walls 4 that are located the body lower extreme, the lower extreme of two lateral walls 4 is provided with the pars contractilis 5 of contracting spacing chamber 6 in opposite directions, lateral wall 4 is the fillet with the corner of pars contractilis 5, can avoid when the handling, corner stress concentration and fracture take place, this hoist has better structural performance.

Limiting structure and body integrated into one piece, the body forms through casting or cutting, makes the structural performance of this hoist better, has better bearing capacity, and spacing chamber 6 runs through the body setting, to rectangular shape hoist and mount piece, hoist and mount piece can pass the body to use the fastener to fix hoist and mount piece in spacing chamber 6, make this practical range who hoists the piece wider.

The lifting hole 3 is arranged on the body, the body is in an isosceles trapezoid shape, the center of the lifting hole 3 is located on a symmetry axis of the isosceles trapezoid shape, and the body is prevented from deflecting to affect use.

The fastener includes bolt 2 and nut 1, and nut 1 is fixed to be established on the body, and is located the upside of spacing chamber 6, and bolt 2 installs on nut 1, and its one end stretches into in spacing chamber 6, twist bolt 2, realize changing the size in spacing chamber 6, and this kind of implementation is very simple, and the extension line of bolt 2 intersects with corresponding constriction 5 with low costs.

As the changeable implementation mode, the T-shaped handle is arranged on the bolt 2 and is higher than the body, so that the T-shaped handle is prevented from interfering with the body when being rotated, the bolt 2 is convenient to manually screw, and the fastening of a hoisting piece is very convenient.

The hoisting piece is under the action of self gravity, the lower end of the hoisting piece is tightly attached to the limiting cavity 6, the nut 1 and the bolt 2 are positioned on the upper side of the limiting cavity 6, the limiting cavity 6 is matched with the bolt 2, the hoisting piece is fixed by applying force in the vertical direction, the moving direction of the bolt 2 is consistent with the gravity direction of the hoisting piece, and the fastening is more labor-saving.

As an alternative embodiment, the body is provided with a threaded hole, said threaded hole being connected to the bolt 2, and the size of the limiting chamber 6 being variable by screwing the bolt 2.

The hoisting piece is a rail, when the rail is hoisted, the plurality of hoists are arranged side by side, the hoists penetrate through the rail, the rail is arranged in the limiting cavity 6, then the handle is rotated, the limiting cavity 6 is reduced, the hoisting piece is fixed in the limiting cavity 6, and the hook of the crane is hoisted in the hoisting hole 3 to hoist the rail to a preset position. When the hanger is disassembled, the bolt 2 is unscrewed, the limiting cavity 6 is enlarged, and the hanger is disassembled from the track.

The inner wall of the limiting structure is enclosed into a limiting cavity matched with the cross section of the hoisting piece in shape, and the fastener is matched with the limiting structure to change the size of the limiting cavity and fix the hoisting piece in the limiting cavity. In the hoisting process, the hoisting piece is located in the limiting cavity, and after the size of the limiting cavity is changed by matching the fastener with the limiting structure, the hoisting piece is firmly fixed in the limiting cavity, and the hoisting piece and the hoisting tool are not easy to slide relatively. Therefore, the lifting appliance has the advantages of firm lifting and good safety.

Example 2

A hoisting device comprises a plurality of hoists in embodiment 1, wherein the hoists are arranged side by side when hoisting a rail, the hoists penetrate through the rail, the rail is arranged in a limiting cavity 6, then a handle is rotated, the limiting cavity 6 is reduced, a hoisting part is fixed in the limiting cavity 6, and a hook of a crane is hoisted in a hoisting hole 3 to hoist the rail to a preset position. When the hanger is disassembled, the bolt 2 is unscrewed, the limiting cavity 6 is enlarged, and the hanger is disassembled from the track.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (7)

1. A spreader, comprising:

the lifting piece comprises a body and a lifting piece, wherein the body comprises a limiting structure, the inner wall of the limiting structure is enclosed into a limiting cavity (6) matched with the cross section of the lifting piece in shape, the limiting structure comprises two side walls (4) positioned at the lower end of the body, and the lower ends of the two side walls (4) are provided with contraction parts (5) which oppositely contract the limiting cavity (6);

the fastener is movably arranged on the body, is matched with the limiting structure and can change the size of the limiting cavity (6), and comprises a nut (1) fixedly arranged on the body and a bolt (2) arranged on the nut (1) and having one end extending into the limiting cavity (6), wherein the extension line of the bolt (2) is intersected with the corresponding contraction part (5).

2. The spreader of claim 1, wherein the limiting structure is integrally formed with the body, and the body is formed by casting or cutting.

3. A spreader according to claim 2, wherein the spacing cavity (6) is provided through the body.

4. A spreader according to any of claims 1-3, characterised in that the fastening elements are arranged on the upper side of the spacing chamber (6).

5. The spreader according to claim 1, further comprising a lifting hole (3) provided on the body, wherein the body is an isosceles trapezoid, and the center of the lifting hole (3) is located on the symmetry axis of the isosceles trapezoid.

6. The spreader of claim 1, wherein the sling is a rail.

7. A hoisting device, characterized in that, a plurality of spreaders as claimed in any one of claims 1 to 6 are arranged, and the hoisting member is arranged in the limit cavity (6) in a penetrating way.

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