CN214298922U

CN214298922U - Lifting appliance capable of preventing lifting rope from being abraded

Info

Publication number: CN214298922U
Application number: CN202022839020.1U
Authority: CN
Inventors: 焦海林; 纪振昌
Original assignee: Hebei Tongli Pulley Co ltd
Current assignee: Hebei Tongli Pulley Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-28
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a sling for preventing sling abrasion, which comprises a sling main body and a plurality of bolts arranged on the sling main body, wherein the middle part of the sling main body is provided with a rotary sleeve seat extending in the horizontal direction, a rotary sleeve with an axis extending along the horizontal direction is rotationally connected in the rotary sleeve seat, and a rotary mechanism is arranged between the rotary sleeve seat and the rotary sleeve; the rotating sleeve is used for enabling the lifting rope to penetrate through an inner hole of the rotating sleeve, and the rotating mechanism is used for enabling the rotating sleeve to drive the lifting rope to rotate in the rotating sleeve seat. The utility model discloses set up rotary mechanism and make swivel casing and swivel casing seat relative rotation, lift by crane the in-process, the lifting rope is along with the swivel casing at swivel casing seat internal rotation, not only reduces the friction between lifting rope and the swivel casing, avoids the lifting rope wearing and tearing, prevents to meet accident, still can adjust hoist main part both sides atress and moment, makes the whole balanced state that reaches of hoist, avoids because of the hoist focus skew emergence accident.

Description

Lifting appliance capable of preventing lifting rope from being abraded

Technical Field

The utility model relates to a promote, lifting device field, concretely relates to prevent hoist of lifting rope wearing and tearing.

Background

When the wind power tower cylinder or the large flange is hoisted, a lifting appliance is connected with the flange or the tower cylinder through bolts, then a lifting rope is arranged on the lifting appliance, the lifting rope is connected with a crane to lift the tower cylinder or the flange, and the tower cylinder or the flange is turned to be upright and placed on the base frame after the lifting rope rises to a certain height. Because the tower drum or the flange is heavy, the tower drum or the flange is easy to shake in the hoisting process and the overturning process, so that the stress on two sides of the lifting appliance is unbalanced, and great friction is generated between the lifting rope and the lifting appliance, so that the abrasion of the lifting rope is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a prevent hoist of lifting rope wearing and tearing is provided to solve the problem of proposing among the above-mentioned background art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a lifting appliance for preventing a lifting rope from being abraded comprises a lifting appliance main body and a plurality of bolts arranged on the lifting appliance main body, wherein a rotary sleeve seat extending in the horizontal direction is arranged in the middle of the lifting appliance main body, a rotary sleeve of which the axis extends in the horizontal direction is rotationally connected in the rotary sleeve seat, and a rotary mechanism is arranged between the rotary sleeve seat and the rotary sleeve; the rotating sleeve is used for enabling the lifting rope to penetrate through an inner hole of the rotating sleeve, and the rotating mechanism is used for enabling the rotating sleeve to drive the lifting rope to rotate in the rotating sleeve seat.

As a further improvement of the utility model, the rotary sleeve comprises a body, and two ends of the body are symmetrically provided with annular bosses; the rotary sleeve seat is provided with two grooves which are respectively matched with the two bosses and a cavity which is matched with the body, and the cavity is arranged between the two grooves; the rotating mechanism is arranged between the boss and the groove.

As a further improvement of the present invention, the rotating mechanism includes a first sliding chute, a second sliding chute, and a plurality of balls disposed between the first sliding chute and the second sliding chute; one side of each of the two bosses, which is close to the body, is provided with the first sliding groove, and the plane of the two grooves, which is connected with the cavity, is provided with the second sliding groove.

As a further improvement, the width of the second chute notch is smaller than the diameter of the ball, the first chute limits the ball can not be separated.

As a further improvement of the present invention, the body comprises a first body and a second body, a clamping groove is arranged on the inner wall of the first body, and a buckle matched with the clamping groove is arranged on the outer wall of the second body; the two bosses are respectively arranged at the end parts of the first body and the second body.

As a further improvement, the boss is provided with a transition section, the transition section is arranged on the boss, and the boss is kept away from the inner wall of the body one end.

As a further improvement of the utility model, the hanger main body is symmetrically provided with a long slot hole for installing the bolt at two sides of the rotary sleeve seat, and the periphery of the long slot hole forms a support table; the bolt is provided with a cushion block, the cushion block is buckled and pressed on the supporting table, the cushion block is moved to enable the bolt to move in the long slotted hole, and a positioning mechanism is arranged between the cushion block and the long slotted hole.

As a further improvement of the utility model, the positioning mechanism is in including setting up cockscomb structure latch on the brace table and setting are in the cockscomb structure latch of cushion bottom surface.

As a further improvement, the hanger main body is provided with a limiting groove in bilateral symmetry of the rotary sleeve seat, the slotted hole is arranged in the limiting groove, and the slotted hole is arranged in the limiting groove and is arranged between the inner side walls of the limiting groove.

As a further improvement, the left and right sides of the hanger main body are connected with hanging rings.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses set up swivel mount and swivel mount seat, set up rotary mechanism between the two and make but both relative rotation, the bolt is used for connecting a tower section of thick bamboo or flange, and the lifting rope is connected with devices such as crane, drives the hoist and lifts by crane with a tower section of thick bamboo or flange. In the hoisting process, when the hoisting tool main body shakes, on one hand, the hoisting rope is sleeved in the rotating sleeve seat to rotate along with the rotating mechanism, so that the friction between the hoisting rope and the rotating sleeve is reduced, the hoisting rope is prevented from being abraded, and accidents are prevented; on the other hand, the two sides of the lifting appliance main body can be adjusted in stress and moment, so that the lifting appliance is in a balanced state integrally, and accidents caused by gravity center deviation of the lifting appliance are avoided.

And rotary mechanism includes first spout, second spout and ball, plays the effect of bearing, for not setting up rotary mechanism, the rolling effect of ball can make the rotation between swivel sleeve and the swivel sleeve seat more stable, and difficult emergence is slided between the two, promotes the bearing capacity of hoist moreover.

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.

Fig. 2 is a schematic structural view of the present invention without a rotary sleeve.

Fig. 3 is a schematic structural diagram of the spreader body of the present invention.

Fig. 4 is a schematic structural view of the rotary sleeve of the present invention.

Fig. 5 is a sectional view of the rotary sleeve of the present invention.

Fig. 6 is a schematic structural diagram of the cushion block of the present invention.

Wherein: the lifting appliance comprises a lifting appliance main body 1, bolts 2, a rotating sleeve 3, a body 3-1, a boss 3-2, a first body 3-3, a second body 3-4, a transition section 3-5, a clamping groove 3-6, a buckle 3-7, a rotating sleeve seat 4, a groove 4-1, a cavity 4-2, a first sliding groove 5, a second sliding groove 6, a ball 7, a long slotted hole 8, a supporting table 9, a cushion block 10, a limiting groove 11 and a lifting ring 12.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, it is to be understood that the terms "center," "vertical," "horizontal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The lifting appliance for preventing the abrasion of the lifting rope as shown in fig. 1-6 comprises a lifting appliance main body 1 and a plurality of bolts 2 arranged on the lifting appliance main body 1, wherein a rotary sleeve seat 4 extending in the horizontal direction is arranged in the middle of the lifting appliance main body 1, a rotary sleeve 3 is rotatably connected in the rotary sleeve seat 4, the axis of the rotary sleeve 3 extends in the horizontal direction, and a rotary mechanism is arranged between the rotary sleeve seat 4 and the rotary sleeve 3; the rotary sleeve 3 is used for leading the lifting rope to pass through the inner hole of the rotary sleeve, and the rotary mechanism is used for leading the rotary sleeve 3 to drive the lifting rope to rotate in the rotary sleeve seat 4. Preferably, the extending direction of the rotating sleeve seat 4 is perpendicular to the arrangement direction of the lifting appliance main body 1, furthermore, the left side and the right side of the lifting appliance main body 1 are both connected with lifting rings 12, and the lifting rings 12 are used as lifting points of the lifting appliance when the lifting appliance is installed on a tower tube or a flange. The hanger main body 1 is V-shaped, arc-shaped or fan-shaped, and the shape of the hanger main body is matched with the arc-shaped structure of the cylinder or the flange.

The bolt 2 is used for connecting a tower cylinder or a flange, and the lifting rope is connected with devices such as a crane and the like to drive the lifting appliance to lift the tower cylinder or the flange. In the hoisting process, the rotating sleeve 3 can drive the lifting rope to rotate relative to the rotating sleeve seat 4, so that when the lifting appliance main body 1 shakes, on one hand, the lifting rope rotates in the rotating sleeve seat 4 along with the rotating sleeve 3, the friction between the lifting rope and the rotating sleeve 3 is reduced, the abrasion of the lifting rope is avoided, and accidents are prevented; on the other hand, the two sides of the lifting appliance main body 1 can be adjusted in stress and moment, so that the lifting appliance is in a balanced state integrally, and accidents caused by gravity center deviation of the lifting appliance are avoided.

The rotary sleeve 3 comprises a body 3-1, and annular bosses 3-2 are symmetrically arranged at two ends of the body 3-1; the rotary sleeve seat 4 is provided with two grooves 4-1 respectively matched with the two bosses 3-2 and a cavity 4-2 matched with the body 3-1, and the cavity 4-2 is arranged between the two grooves 4-1; the rotating mechanism is arranged between the boss 3-2 and the groove 4-1. The friction between the rotating sleeve 3 and the rotating sleeve seat 4 is small, so that the rotating sleeve 3 can freely rotate in the rotating sleeve seat 4.

The rotating mechanism comprises a first sliding chute 5, a second sliding chute 6 and a plurality of balls 7 arranged between the first sliding chute 5 and the second sliding chute 6; one side of each of the two bosses 3-2, which is close to the body 3-1, is provided with the first sliding chute 5, and the plane where the two grooves 4-1 are connected with the cavity 4-2 is provided with the second sliding chute 6; the width of the notch of the second sliding chute 6 is smaller than the diameter of the ball 7, and the first sliding chute 5 limits the ball 7 from falling out. The rotating mechanism comprises a first sliding groove 5, a second sliding groove 6 and a ball 7, the effect of a bearing is achieved, and compared with the situation that the rotating mechanism is not arranged, the rolling effect of the ball 7 enables the rotating sleeve 3 and the rotating sleeve seat 4 to rotate more stably, slipping does not easily occur between the rotating sleeve 3 and the rotating sleeve seat 4, and the bearing capacity of the lifting appliance is improved.

In another implementation manner, the rotating mechanism may be a ball bearing 7 sleeved at both ends of the rotating sleeve 3, the outer ring of the bearing is in small clearance fit or interference fit with the rotating sleeve seat 4, and the inner ring of the bearing is in small clearance fit or interference fit with the rotating sleeve 3. Or, the rotating mechanism comprises an anti-abrasion coating arranged on the outer wall of the rotating sleeve 3 and the inner wall of the rotating sleeve seat 4.

For convenience in installation, the body 3-1 comprises a first body 3-3 and a second body 3-4, a clamping groove 3-6 is formed in the inner wall of the first body 3-3, and a buckle 3-7 matched with the clamping groove 3-6 is formed in the outer wall of the second body 3-4; the two bosses 3-2 are respectively arranged at the ends of the first body 3-3 and the second body 3-4. During installation, firstly, the ball 7 is installed in the second sliding groove 6 in the rotating sleeve seat 4, the first body 3-3 is installed in the rotating sleeve seat 4, then the second body 3-4 is installed in the rotating sleeve seat 4, and the first body 3-3 and the second body 3-4 are clamped into a whole in the rotating sleeve seat 4 under the action of the clamping groove 3-6 and the buckle 3-7, so that the first body 3-3 and the second body 3-4 are prevented from falling off.

In this embodiment, in order to prevent the lifting rope from being worn, the boss 3-2 is provided with a transition section 3-5, and the transition section 3-5 is arranged on the inner wall of the end of the boss 3-2 far away from the body 3-1. The transition section 3-5 is a smooth arc section, so that the lifting rope can be prevented from being broken due to the friction between the lifting rope and the edge of the inner wall of the body 3-1 during lifting.

Furthermore, long slotted holes 8 for installing the bolts 2 are symmetrically formed in the hanger main body 1 at two sides of the rotary sleeve seat 4, and supporting tables 9 are formed at the peripheral edges of the long slotted holes 8; the bolt 2 is provided with a cushion block 10, the cushion block 10 is buckled and pressed on the support table 9, the bolt 2 can move in the long slotted hole 8 by moving the cushion block 10, and a positioning mechanism is arranged between the cushion block 10 and the long slotted hole 8. The positioning mechanism comprises saw-toothed latch teeth arranged on the supporting platform 9 and saw-toothed latch teeth arranged on the bottom surface of the cushion block 10. The latch on the supporting platform 9 is engaged with the latch at the bottom of the cushion block 10 to prevent the cushion block 10 from moving left and right in the long slotted hole 8.

The lifting appliance main body 1 is symmetrically provided with limit grooves 11 at two sides of the rotary sleeve seat 4, the long-slot hole 8 is arranged in the limit grooves 11, and the support table 9 is arranged between the long-slot hole 8 and the inner side wall of the limit grooves 11. The limiting groove 11 is used for placing the cushion block 10 to move back and forth in the long groove hole 8.

In this embodiment, a total of 6 bolts 2 are provided, three bolts 2 are provided in each of the left and right long slots 8, the through holes in the spacers 10 on the upper portions of two bolts 2 adjacent to the connecting mechanism are circular and matched with the diameters of the bolts 2, and the through holes in the spacers 10 on the upper portions of the remaining bolts 2 are long holes, as shown in fig. 6, so that the bolts 2 can be conveniently adjusted in the front-rear direction. The bolts 2 are more in quantity and good in bearing performance. Hoist main part 1 adopts V type structure to be certain contained angle setting between two slotted hole 8, can make bolt 2 adjust around controlling through cushion 10, make the commonality of this hoist strengthen greatly, the flange movable tower section of thick bamboo that is applicable to different diameters that can be fine.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a prevent hoist of lifting rope wearing and tearing which characterized in that: the lifting appliance comprises a lifting appliance main body (1) and a plurality of bolts (2) arranged on the lifting appliance main body (1), wherein a rotary sleeve seat (4) extending in the horizontal direction is arranged in the middle of the lifting appliance main body (1), a rotary sleeve (3) with an axis extending in the horizontal direction is rotationally connected in the rotary sleeve seat (4), and a rotary mechanism is arranged between the rotary sleeve seat (4) and the rotary sleeve (3); the rotating sleeve (3) is used for enabling a lifting rope to penetrate through an inner hole of the rotating sleeve, and the rotating mechanism is used for enabling the rotating sleeve (3) to drive the lifting rope to rotate in the rotating sleeve seat (4).

2. The sling according to claim 1 for protecting a lifting rope against wear, wherein: the rotary sleeve (3) comprises a body (3-1), and annular bosses (3-2) are symmetrically arranged at two ends of the body (3-1); the rotary sleeve seat (4) is provided with two grooves (4-1) which are respectively matched with the two bosses (3-2) and a cavity (4-2) which is matched with the body (3-1), and the cavity (4-2) is arranged between the two grooves (4-1); the rotating mechanism is arranged between the boss (3-2) and the groove (4-1).

3. The spreader of claim 2, wherein: the rotating mechanism comprises a first sliding chute (5), a second sliding chute (6) and a plurality of balls (7) arranged between the first sliding chute (5) and the second sliding chute (6); one side of each of the two bosses (3-2) close to the body (3-1) is provided with the first sliding groove (5), and the plane where the two grooves (4-1) are connected with the cavity (4-2) is provided with the second sliding groove (6).

4. A spreader for preventing wear of a lifting rope according to claim 3, wherein: the width of the notch of the second sliding groove (6) is smaller than the diameter of the ball (7), and the first sliding groove (5) limits the ball (7) from falling out.

5. The spreader of claim 2, wherein: the body (3-1) comprises a first body (3-1) and a second body (3-4), a clamping groove (3-6) is formed in the inner wall of the first body (3-1), and a buckle (3-7) matched with the clamping groove (3-6) is arranged on the outer wall of the second body (3-4); the two bosses (3-2) are respectively arranged at the end parts of the first body (3-1) and the second body (3-4).

6. The spreader of claim 2, wherein: the boss (3-2) is provided with a transition section (3-5), and the transition section (3-5) is arranged on the inner wall of one end of the boss (3-2) far away from the body (3-1).

7. The sling according to claim 1 for protecting a lifting rope against wear, wherein: long slotted holes (8) used for installing the bolts (2) are symmetrically formed in the sling main body (1) and positioned on two sides of the rotary sleeve seat (4), and supporting tables (9) are formed at the peripheral edges of the long slotted holes (8); the bolt (2) is provided with a cushion block (10), the cushion block (10) is buckled and pressed on the support table (9), the bolt (2) can move in the long slotted hole (8) by moving the cushion block (10), and a positioning mechanism is arranged between the cushion block (10) and the long slotted hole (8).

8. The spreader of claim 7, wherein: the positioning mechanism comprises saw-toothed latch teeth arranged on the supporting platform (9) and saw-toothed latch teeth arranged on the bottom surface of the cushion block (10).

9. The spreader of claim 7, wherein: the lifting appliance is characterized in that limiting grooves (11) are symmetrically formed in two sides of the rotary sleeve seat (4) on the lifting appliance main body (1), the long-groove hole (8) is formed in the limiting grooves (11), and the supporting table (9) is arranged between the long-groove hole (8) and the inner side wall of the limiting grooves (11).

10. The sling according to claim 1 for protecting a lifting rope against wear, wherein: the left side and the right side of the hanger main body (1) are both connected with hanging rings (12).