CN217376986U - Hoist and mount atress balancing unit of hoist and mount cable group - Google Patents

Abstract

The utility model discloses a sling set lifting stress balancing device, which comprises a pulley lug set, a balancing pulley, a steel wire rope, a shackle and a balancing part; the pulley ear plate groups are provided with a plurality of groups which are respectively connected to a lifting appliance of a hoisting machine, each pulley ear plate group is connected with a balance pulley, the middle part of a steel wire rope is hung on the balance pulley, two ends of the steel wire rope are respectively connected with shackles, transverse bolts of the two shackles are respectively connected to two ends of a balance part, a stress area is arranged in the center of the top of the balance part, and pre-buried sling groups fixed on a concrete component are respectively hung on the stress areas of the corresponding balance parts; can make balancing part and the contact surface of pre-buried hoist cable group, the actual stress surface of pre-buried hoist cable group keep parallel with concrete component top surface when the operation is hung to high low slope, avoid appearing the contained angle, and then realize the balanced atress of every strand hoist cable of pre-buried hoist cable group, hoist and mount effect is better, and the security is higher.

Description

Hoist and mount atress balancing unit of hoist and mount cable group

Technical Field

The utility model relates to a hoisting machinery hoists technical field, and more specifically the hoist and mount atress balancing unit that relates to a bridge concrete prefabricated component pre-buried hoist cable group that says so.

Background

At present, the hoist device that the tradition was used for pre-buried hoist cable of bridge concrete prefabricated component group is at hoisting machinery's hoist both ends, and wire rope is directly hung to the cover, and two rope ends of wire rope are closed together and are articulated to break out, and the cross bolt that breaks out passes pre-buried hoist cable group and connects, rises concrete component to mention, carries out the hoist and mount operation. However, when the embedded sling sets are longitudinally arranged on the top surface of a concrete member to lift and bear force, along with the change of the included angle between the high-low inclined concrete member and the horizontal plane, the actual stressed surface of the sling set cannot be parallel to the top surface of the concrete member, and the included angle of @ degree is generated between the actual stressed surface of the sling set and the contact surface of the transverse bolt of the shackle.

Therefore, how to provide a hoisting device which enables the embedded sling group to bear force uniformly and has high hoisting safety performance is a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a device for equalizing the lifting force of a sling set, so as to solve at least one of the above technical problems in the prior art to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hoist and mount atress balancing unit of hoist and mount cable group, includes: the pulley ear plate group, the balance pulley, the steel wire rope, the shackle and the balance part;

the pulley ear plate group is provided with a plurality of groups, the pulley ear plate group is respectively connected to a lifting appliance of lifting machinery in a sleeved and hung mode, each group of pulley ear plate group is connected with a balance pulley, the middle of a steel wire rope is hung on the balance pulley, the two ends of the steel wire rope are respectively connected with shackles, the two shackles are respectively connected to the two ends of a balance part, the central position of the top of the balance part is provided with a stress area, and pre-buried sling components fixed on a concrete component are respectively hung on the stress areas corresponding to the balance part.

Preferably, in the above device for balancing the lifting force of the sling set, the lower part of the balancing part is further provided with stopping parts, and the stopping parts are respectively arranged on two sides of the force-bearing area.

Preferably, in the above device for balancing the lifting stress of the sling set, the balancing member is a rectangular block, the central position of the top of the balancing member is provided with a limiting groove, the bottom of the limiting groove is arc-shaped to form a stress area, and the upper part and the lower part of the two ends of the stress area are respectively provided with a transverse bolt hole for installing a shackle and a pin shaft fixing hole for fixing the stop member.

Preferably, in foretell hoist and mount atress balancing unit of hoist cable group, pulley otic placode group sets up for pairing, and is equipped with at least two sets ofly, divides to establish the cover and hangs at hoisting machinery's hoist both ends, and every pulley otic placode group of group has two parallel pulley otic placodes, and two pulley otic placode covers are hung on hoisting machinery's hoist, pulley otic placode bottom is equipped with the installation the round pin axle mounting hole of balance pulley, balance pulley passes through the round pin hub connection and is every group between the pulley otic placode group.

Can know via foretell technical scheme, compare with prior art, the utility model discloses a hoist and mount atress balancing unit is organized to hoist and mount, its main effect and advantage lie in:

when the hoisting machinery is used for obliquely hoisting the concrete member at high and low positions, the contact surface of the balance part and the embedded sling group of the concrete member and the actual stress surface of the embedded sling group are kept parallel to the top surface of the concrete member, so that an included angle is avoided, and the balanced stress of each sling of the embedded sling group is realized;

the arc-shaped stress area arranged on the balance part can reduce the shearing damage to the sling group and prolong the service life of the sling group;

when the concrete member is obliquely hung, the stop pin shaft can prevent the embedded sling set from sliding at the lower part of the balance part, reduce the deviation of the sling set at the stress center of the balance part, and ensure the perpendicularity of the embedded sling set and the stress contact surface of the balance part to the maximum extent, so that the stress of each sling of the embedded sling set is more balanced.

Drawings

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

Fig. 1 is a front view of the horizontal hanging state of the present invention;

fig. 2 is a side view of the horizontal hanging state of the present invention;

FIG. 3 is a schematic view of the inclined hanging state of the present invention;

FIG. 4 is a schematic structural view of a balance member according to the present invention;

fig. 5 is a schematic structural view of a prior art inclined hanging state.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "hitched," and the like are to be construed broadly, e.g., as fixed connections, as well as detachable connections, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Please refer to fig. 1-4, which is a device for balancing the lifting stress of a sling set of the present invention, comprising a pulley ear plate set 1, a balance pulley 2, a wire rope 3, a shackle 4 and a balance part 5;

the balance pulley 2 is connected with a lifting appliance 6 of a hoisting machine in a hanging mode through the pulley lug plate group 1, the middle of the steel wire rope 3 is connected to the balance pulley 2 in a hanging mode, two ends of the steel wire rope are respectively connected with the shackles 4, the two shackles 4 are connected to the two ends of the balance part 5, and the embedded sling group on the concrete component 7 is connected to the stress area 50 in the middle of the balance part 5 in a hanging mode.

In order to further optimize the technical scheme, the lower part of the balance part 5 is further provided with a stopping part 8, the stopping parts 8 are stopping pin shafts and are arranged on two sides of the force bearing area 50 in parallel, and when the concrete component 7 is subjected to high-low inclined hoisting operation, the sling is abutted against the stopping part 8 and used for limiting the position of the sling.

Specifically, the stress area 50 of the balance part 5 is arc-shaped, so that shearing damage can be reduced, the two ends of the stress area are provided with transverse bolt holes for installing shackles 4 and pin fixing holes for fixing stop parts, the corresponding shackles 4 and stop pins are respectively installed, the stop pins can avoid deviation of slings at the stress center of the balance part 5, the perpendicularity of the stress contact surface of the sling group and the balance part 5 is ensured to the maximum extent, and the stress of each sling of the sling group is more balanced.

Specifically, the balance part 5 is a rectangular block, a limiting groove is arranged in the center of the top of the rectangular block, the bottom of the limiting groove is arc-shaped to form a stress area 50, and slings of the sling group are hung in the stress area 50; the upper parts of the two ends of the balance part 5 are provided with transverse bolt holes for hanging shackles, the shackles 4 are in U-shaped structures, the U-shaped bodies are provided with transverse bolt hanging holes, and the transverse bolts of the shackles pass through the transverse bolt sleeving holes arranged on the balance part 5 for hanging; two sides of the lower part of the stress area 50 are provided with a pair of pin shaft fixing holes, the fixing holes are internally provided with stop pin shafts in a penetrating way, and two ends of each stop pin shaft penetrate out of the fixing holes to limit a sling.

In order to further optimize the technical scheme, the pulley ear plate groups 1 are arranged in pairs and are provided with at least two groups, the pulley ear plate groups are respectively sleeved at two ends of a lifting appliance 6 of the lifting machine, each pulley ear plate group 1 is provided with two parallel pulley ear plates, the two pulley ear plates are sleeved on the lifting appliance 6 of the lifting machine, pin shaft mounting holes for mounting the balance pulleys 2 are formed in the bottoms of the pulley ear plates, and the balance pulleys 2 are connected between the pulley ear plate groups 1 of each group through pin shafts.

Example 2

Referring to the attached drawing 1, a method for hoisting sling sets with balanced stress applies the hoisting stress balancing device of example 1, after a plurality of sets of hoisting stress balancing devices are connected with a lifting appliance of a hoisting machine in a sleeved hanging manner, an embedded sling set 70 on a concrete component 7 is hung in a stress area 50 of a balancing part 5, when the hoisting machine carries out high-low inclined hoisting operation on the concrete component, the lengths of two ends of a steel wire rope hung on the balancing pulley 2 are correspondingly and freely changed with the rotation of the balancing pulley 2, so that the height adjustment of two ends of the balancing part 5 is realized, the actual stress surface of the balancing part 5 and the top surface of the embedded sling set 70 are parallel, and the stress of each sling of the embedded sling set 70 can be balanced.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. The utility model provides a hoist and mount atress balancing unit of hoist and mount, its characterized in that includes: the pulley ear plate group (1), the balance pulley (2), the steel wire rope (3), the shackle (4) and the balance part (5);

pulley ear plate group (1) is equipped with the multiunit, connects respectively on hoisting machinery's hoist (6), every group all be connected with balanced pulley (2) on pulley ear plate group (1), wire rope (3) middle part articulates balanced pulley (2) is last, and its both ends are connected with respectively break out (4), two the horizontal bolt of break out (4) is connected respectively the both ends of balancing unit (5), the central point at balancing unit (5) top is equipped with atress region (50), and fixed pre-buried hoist cable component articulates respectively in the atress region (50) that corresponds balancing unit (5) on concrete component (7).

2. The sling set lifting stress equalizing device according to claim 1, wherein a stopping part (8) is further provided near the lower part of the balancing part (5), and the stopping parts (8) are respectively provided at two sides of the stress area (50).

3. The sling set lifting stress equalizing device according to claim 2, wherein the balancing member (5) is a rectangular block, a limiting groove is formed in the center of the top of the balancing member, the bottom of the limiting groove is arc-shaped to form a stress area (50), and a cross bolt hole for mounting the shackle (4) and a pin fixing hole for fixing the stop member are respectively formed in the upper portion and the lower portion of each of two ends of the stress area (50).

4. The device for equalizing hoisting stress of sling sets according to claim 3, wherein the pulley ear plate groups (1) are arranged in pairs and at least two pulley ear plate groups are arranged, and are respectively sleeved at two ends of a lifting appliance (6) of a lifting machine, each pulley ear plate group (1) is provided with two parallel pulley ear plates, the two pulley ear plates are sleeved on the lifting appliance (6) of the lifting machine, pin shaft mounting holes for mounting the balance pulleys (2) are arranged at the bottoms of the pulley ear plates, and the balance pulleys (2) are connected between each pulley ear plate group (1) through pin shaft mounting.

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