CN218434543U

CN218434543U - Lifting appliance for lifting hole

Info

Publication number: CN218434543U
Application number: CN202222899078.4U
Authority: CN
Inventors: 王旭东; 谈小燕; 刘洋; 张强; 赵江; 陈干; 熊小林; 李超
Original assignee: Chengdu Nanfang Electronic Instruments Co ltd
Current assignee: Chengdu Nanfang Electronic Instruments Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-03
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a hoist for lifting hole relates to hoist and mount hoist technical field, and mainly used solves current hoist for lifting hole and has the poor problem of commonality. The main structure is as follows: the main guide bar lower part has cup jointed can up-and-down reciprocating motion and the lower extreme sectional area is the flexible sliding sleeve that reduces gradually downwards, is equipped with the lower wedge that the sectional area upwards enlarges gradually on the main guide bar of flexible sliding sleeve below, is equipped with a plurality of upper ends and the inner wall of lower extreme respectively with the outer wall conical surface complex movable fixture block of flexible sliding sleeve and lower wedge between flexible sliding sleeve and the lower wedge, and a plurality of movable fixture block outsides have cup jointed elasticity and have embraced the ring tightly. The utility model provides a pair of hoist for hole for hoist, through the upper and lower flexible removal of flexible sliding sleeve, can control the degree of opening of a plurality of activity fixture blocks to make this hoist can adapt to the hole for hoist of multiple aperture specification, improved the hoist commonality.

Description

Lifting appliance for lifting hole

Technical Field

The utility model relates to a hoist and mount hoist technical field especially relates to a hoist for hole for hoist.

Background

At present, production enterprises often need to move some workpieces and equipment in the production and manufacturing process of products. If a large workpiece and equipment are moved, a crane or a crane is generally used for completing the movement, namely, a lifting appliance fixing part is arranged on the workpiece and the equipment, then a lifting appliance arranged on the crane or the crane is connected with the lifting appliance fixing part, and then the workpiece and the equipment can be lifted and transferred. The existing sling fixing parts are generally of two types, namely lifting lugs and lifting holes. Wherein, when work piece, equipment come to cooperate with the hoist through the hoist and mount hole, stretch into the hoist and mount hole with the hoist and mount the hole earlier usually, then, support through the butt of the vaulting pole of setting on the hoist and mount downthehole wall, prevent that the hoist from deviating from, later, can hoist the work piece.

However, the existing lifting tool for lifting holes has the problem of poor universality, namely, one lifting tool is only suitable for workpieces with one lifting hole diameter, and if workpieces and equipment with different lifting hole diameters are replaced, the lifting tool needs to be replaced, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist for hole for hoist can control the degree of opening of a plurality of activity fixture blocks through the upper and lower flexible removal of flexible sliding sleeve to make this hoist can adapt to the hole for hoist of multiple aperture specification, improved the hoist commonality.

In order to realize the above-mentioned purpose, the utility model provides a hoist for lifting hole, be connected with the main guide bar of rings including vertical setting and upper end, reciprocating motion and the lower extreme sectional area is gradually dwindled flexible sliding sleeve downwards has been cup jointed to main guide bar lower part, be equipped with the lower wedge that the sectional area upwards enlarges gradually on the main guide bar of flexible sliding sleeve below, be equipped with a plurality ofly between flexible sliding sleeve and the lower wedge around main guide bar setting and upper end and lower extreme inner wall respectively with the outer wall conical surface complex movable fixture block of flexible sliding sleeve and lower wedge, a plurality of movable fixture block outsides have cup jointed elasticity and have embraced the ring tightly.

As a further improvement, the hand wheel is sleeved on the main guide rod above the telescopic sliding sleeve, and the hand wheel and the outer wall of the main guide rod are in contact arrangement with the upper end face of the telescopic sliding sleeve through the lower surface of the hand wheel in threaded fit.

As a further improvement, the lower wedge block is detachably sleeved on the main guide rod, and the main guide rod below the lower wedge block is provided with an anti-drop nut matched with the thread.

As a further improvement of the utility model, the anti-disengaging nut is arranged at the lower end of the main guide rod.

As a further improvement, the inner wall of the upper end of the movable fixture block is provided with a rib guide groove extending along the moving direction of the telescopic sliding sleeve, and the conical surface of the lower end of the telescopic sliding sleeve is provided with an upper guide rib matched with the rib guide groove.

As a further improvement, the inner wall of the lower end of the movable clamping block is provided with a rib guide groove extending along the moving direction of the telescopic sliding sleeve, and the lower outer wall of the lower wedge-shaped block is provided with a lower guide rib matched with the rib guide groove.

As a further improvement, the outer wall of the movable clamping block is provided with a holding ring mounting groove for positioning and mounting the elastic holding ring.

As a further improvement of the utility model, the elastic holding ring has two, and two elastic holding rings are respectively sleeved on the upper part and the lower part of the plurality of movable clamping blocks.

As a further improvement of the present invention, the main guide rod is connected to the suspension ring through a coaxial connecting sleeve provided at the upper end thereof.

As a further improvement of the utility model, be equipped with the guide bar grafting portion in the fixed grafting adapter sleeve lower extreme on the main guide bar up end, be equipped with the rings grafting portion in the fixed grafting adapter sleeve upper end on the rings down end face.

Compared with the prior art, the utility model discloses an advantage of hoist for hole for hoist is:

1. in this hoist, utilize the upper and lower reciprocating motion of flexible sliding sleeve on main guide bar, can control the interval change between flexible sliding sleeve and the lower wedge, the cooperation is a plurality of around main guide bar setting and upper end and the inner wall of lower extreme respectively with the outer wall conical surface complex movable fixture block of flexible sliding sleeve and lower wedge, when the interval of flexible sliding sleeve and lower wedge contracts, a plurality of movable fixture blocks can use main guide bar to expand as the center outwards, when the interval of flexible sliding sleeve and lower wedge enlarges, a plurality of movable fixture blocks can use main guide bar to inwards contract as the center under the effect of elasticity holding ring. The lifting appliance can control outward expansion and expansion of the plurality of movable clamping blocks through up-and-down telescopic movement of the telescopic sliding sleeve, namely the smaller the distance between the telescopic sliding sleeve and the lower wedge block is, the larger the expansion and expansion outer diameter of the plurality of movable clamping blocks is. Therefore, the lifting appliance can adapt to lifting holes with various aperture specifications by adjusting the moving distance of the telescopic sliding sleeve, and the universality of the lifting appliance is improved.

2. The main guide rod above the telescopic sliding sleeve is sleeved with a hand wheel, the outer wall of the hand wheel and the outer wall of the main guide rod are in threaded fit, and the lower surface of the hand wheel is in contact with the upper end face of the telescopic sliding sleeve. The hand wheel can be controlled to move up and down on the main guide rod by rotating the hand wheel, so that the downward movement amount of the telescopic sliding sleeve with the upper end contacting with the lower surface of the hand wheel is controlled, and the expansion and expansion outer diameter of the movable clamping blocks can be controlled. Meanwhile, the hand wheel is in threaded fit with the main guide rod, so that the movement amount of the telescopic sliding sleeve can be accurately controlled, and the controllability of the expansion and expansion outer diameter of the movable clamping blocks is improved.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic sectional view of the present invention in use;

FIG. 2 is a schematic view of the cross-sectional structure of the movable clamping block and the workpiece when the present invention is in use;

fig. 3 is a perspective view of the movable clamping block of the present invention.

Wherein: 1-a hoisting ring; 2-connecting sleeves; 3-hand wheel; 4-a main guide bar; 5, a telescopic sliding sleeve; 51-upper guide ribs; 6-elastic holding ring; 7-lower wedge-shaped slide block; 71-a drop-proof nut; 72-lower guide ribs; 8-movable clamping blocks; 81-mounting groove of clasping ring.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby.

Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not require that the components be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 3.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 according to specific situations by those of ordinary skill in the art.

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

The utility model discloses a concrete implementation mode is shown in fig. 1-3, a hoist for lifting hole, including vertical setting and the main guide rod 4 that the upper end is connected with rings 1. The lower part of the main guide rod 4 is sleeved with a telescopic sliding sleeve 5 which can move up and down in a reciprocating way and the sectional area of the lower end of the telescopic sliding sleeve gradually decreases downwards. A lower wedge block 7 with the sectional area gradually expanding upwards is arranged on the main guide rod 4 below the telescopic sliding sleeve 5. A plurality of movable clamping blocks 8 which are arranged around the main guide rod 4 and are respectively matched with the outer wall conical surfaces of the telescopic sliding sleeve 5 and the lower wedge block 7 at the upper end and the lower end are arranged between the telescopic sliding sleeve 5 and the lower wedge block 7. The elastic clasping rings 6 are sleeved outside the movable clamping blocks 8.

During the use, insert the hoist and mount hole of work piece, equipment with main guide bar 4 lower part together with setting up flexible sliding sleeve 5 on it, activity fixture block 8 and lower wedge 7, then, through moving down flexible sliding sleeve 5, reduce the interval between flexible sliding sleeve 5 and the lower wedge 7, make the inflation of a plurality of activity fixture blocks expand until with the hoist and mount downthehole wall butt contact, later, lift by crane with rings 1 and hoist or crane on the steel cable be connected, can carry out work piece, equipment lifts by crane and transports work. Wherein, the inner wall of the inlet end of the hoisting hole is provided with an anti-drop bump.

In this hoist, utilize telescopic sliding sleeve 5 upper and lower reciprocating motion on main guide bar 4, can control telescopic sliding sleeve 5 and the interval change between the wedge 7 down, cooperate a plurality of inner walls that set up around main guide bar 4 and upper end and lower extreme respectively with telescopic sliding sleeve 5 and the outer wall conical surface complex activity fixture block 8 of wedge 7 down, when telescopic sliding sleeve 5 and lower wedge 7's interval reduced, a plurality of activity fixture blocks 8 can use main guide bar 4 to expand and expand as the outside of center. When the distance between the telescopic sliding sleeve 5 and the lower wedge-shaped block 7 is enlarged, the movable blocks 8 can contract inwards by taking the main guide rod 4 as the center under the tightening action of the elastic clasping ring 6. The lifting appliance can control outward expansion and expansion of the plurality of movable clamping blocks 8 through up-and-down telescopic movement of the telescopic sliding sleeve 5, namely the smaller the distance between the telescopic sliding sleeve 5 and the lower wedge block 7 is, the larger the expansion and expansion outer diameter of the plurality of movable clamping blocks 8 is. Therefore, the lifting appliance can adapt to lifting holes with various aperture specifications by adjusting the moving distance of the telescopic sliding sleeve, and the universality of the lifting appliance is further improved.

In this embodiment, the sliding sleeve 5 is in sliding fit with the main guide rod 4. Consequently, cup jointed hand wheel 3 on the main guide bar 4 of telescopic sliding sleeve 5 top, for screw-thread fit and hand wheel 3 lower surface and the 5 up end contact settings of telescopic sliding sleeve between hand wheel 3 and the 4 outer walls of main guide bar. Through rotating the hand wheel 3, can control the hand wheel 3 and reciprocate on main guide bar 4 to the control upper end and the 3 lower surface contact of hand wheel set up the flexible sliding sleeve 5 the volume of shifting down, and then can control the inflation of a plurality of movable fixture block 8 and expand the external diameter size. Meanwhile, the hand wheel 3 is in threaded fit with the main guide rod 4, so that the moving amount of the telescopic sliding sleeve 5 can be accurately controlled, and the controllability of the expansion and expansion outer diameter of the movable clamping blocks 8 is improved. Moreover, as the telescopic sliding sleeve 5 is in sliding fit with the main guide rod 4, the telescopic sliding sleeve 5 can be driven to move upwards and reset in the tightening process of the elastic clasping ring 6.

Meanwhile, the lower wedge 7 is detachably sleeved on the main guide rod 4, and an anti-falling nut 71 in threaded fit with the main guide rod 4 below the lower wedge 7 is further arranged on the main guide rod 4. In this embodiment, the retaining nut 71 is provided at the lower end of the main guide bar 4. Through setting up anticreep nut 71, can prevent effectively that lower wedge 7 from leading guide bar 4

And, the inner wall of the upper end of the movable fixture block 8 is provided with a rib guide groove extending along the moving direction of the telescopic sliding sleeve 5, and the conical surface of the lower end of the telescopic sliding sleeve 5 is provided with an upper guide rib 51 engaged with the rib guide groove. The inner wall of the lower end of the movable clamping block 8 is provided with a rib guide groove extending along the moving direction of the telescopic sliding sleeve 5, and the outer wall of the lower wedge block 7 is provided with a lower guide rib 72 matched with the rib guide groove. The effect of guiding the moving direction of the telescopic sliding sleeve 5 can be achieved through the matching arrangement of the upper guide rib 51, the lower guide rib 72 and the rib guide groove.

In this embodiment, the outer wall of the movable clamping block 8 is provided with a clasping ring mounting groove 81 for positioning and mounting the elastic clasping ring 6. Through setting up the enclasping ring mounting groove 81, the stability of the installation of the elastic enclasping ring 6 can be ensured. Specifically, there are two elastic clasping rings 6, and the two elastic clasping rings 6 are respectively sleeved on the upper part and the lower part of the outer parts of the movable clamping blocks 8.

In addition, the main guide rod 4 is connected with the hanging ring 1 through a connecting sleeve 2 coaxially arranged at the upper end of the main guide rod. The upper end surface of the main guide rod 4 is provided with a guide rod insertion part in the lower end of the fixed insertion connecting sleeve 2, and the lower end surface of the hanging ring 1 is provided with a hanging ring insertion part in the upper end of the fixed insertion connecting sleeve 2. Through setting up adapter sleeve 2, can be stable be connected rings 1 with main guide rod 4.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made according to the essence of the present invention.

Claims

1. The utility model provides a hoist and mount hole is with hoist and mount, is connected with main guide bar (4) of rings (1) including vertical setting and upper end, its characterized in that, reciprocating motion and lower extreme sectional area are down tapered telescopic sliding sleeve (5) have been cup jointed to main guide bar (4) lower part, be equipped with lower wedge (7) that the sectional area upwards enlarges gradually on main guide bar (4) of telescopic sliding sleeve (5) below, be equipped with between telescopic sliding sleeve (5) and lower wedge (7) a plurality ofly around main guide bar (4) set up and upper end and lower extreme inner wall respectively with telescopic sliding sleeve (5) and lower wedge (7) outer wall conical surface complex movable fixture block (8), elastic holding ring (6) have been cup jointed to a plurality of movable fixture block (8) outside.

2. The lifting appliance for the lifting hole as claimed in claim 1, wherein a hand wheel (3) is sleeved on the main guide rod (4) above the telescopic sliding sleeve (5), the outer walls of the hand wheel (3) and the main guide rod (4) are in threaded fit, and the lower surface of the hand wheel (3) is in contact with the upper end surface of the telescopic sliding sleeve (5).

3. The lifting appliance for the lifting hole as claimed in claim 1 or 2, wherein the lower wedge block (7) is detachably sleeved on the main guide rod (4), and the main guide rod (4) below the lower wedge block (7) is further provided with an anti-drop nut (71) in threaded fit with the main guide rod.

4. A lifting tool for lifting holes according to claim 3, characterised in that the anti-release nut (71) is arranged at the lower end of the main guide rod (4).

5. The lifting appliance for the lifting hole as claimed in claim 2, wherein the inner wall of the upper end of the movable clamping block (8) is provided with a ridge guide groove extending along the moving direction of the telescopic sliding sleeve (5), and the conical surface of the lower end of the telescopic sliding sleeve (5) is provided with an upper guide ridge (51) engaged with the ridge guide groove.

6. The lifting appliance for the lifting hole as claimed in claim 5, wherein the inner wall of the lower end of the movable clamping block (8) is provided with a ridge guide groove extending along the moving direction of the telescopic sliding sleeve (5), and the outer wall of the lower wedge block (7) is provided with a lower guide ridge (72) engaged with the ridge guide groove.

7. The lifting appliance for the lifting hole as claimed in claim 2, wherein the outer wall of the movable clamping block (8) is provided with a clasping ring mounting groove (81) for positioning and mounting the elastic clasping ring (6).

8. The lifting appliance for the lifting hole as claimed in claim 7, wherein there are two elastic clasping rings (6), and the two elastic clasping rings (6) are respectively sleeved on the upper and lower parts of the exterior of the plurality of movable clamping blocks (8).

9. A lifting appliance for a lifting hole according to claim 1 or 2, characterized in that the main guide rod (4) is connected to the lifting ring (1) by means of a connecting sleeve (2) coaxially arranged at its upper end.

10. The lifting appliance for the lifting hole as claimed in claim 9, wherein the upper end face of the main guide rod (4) is provided with a guide rod insertion part in the lower end of the fixed insertion connection sleeve (2), and the lower end face of the lifting ring (1) is provided with a lifting ring insertion part in the upper end of the fixed insertion connection sleeve (2).