CN209974090U

CN209974090U - Rotary mast amplitude-variable lifting lug for side mounting of existing building

Info

Publication number: CN209974090U
Application number: CN201920665231.2U
Authority: CN
Inventors: 柳思杰; 尹志彬; 杨应兴; 陈斌; 罗开荣
Original assignee: Yunnan Construction Investment Second Installation Engineering Co
Current assignee: Yunnan Construction Investment Second Installation Engineering Co
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-21
Anticipated expiration: 2029-05-10

Abstract

The utility model relates to an unconventional hoist and mount technical field just discloses a gyration mast becomes width of cloth lug for existing building side-mounting, including the lug plate. This hoist and mount gyration mast becomes width of cloth lug, make the radial arm move to the inboard of lug plate round the pivot through the extrusion radial arm, at this moment can hang the pulley in the inside wall of lug plate, at this moment, the coil spring resets and takes the radial arm to restore to the throne and the joint groove closure in the lug plate simultaneously, can lock the pulley in the enclosure space that lug plate and radial arm are constituteed, it is also the same with the pulley dismantlement to the same reason, it is more convenient, when the lug plate is bearing the heavy object, lug plate transmits the decurrent pressure of panel, at this moment, the panel slides down and compresses and tensile first spring on the slide bar, at this moment, the slider takes the panel to move right and compress tensile second spring, the pressure on the panel has been reduced the holding capacity of base simultaneously from two directions, the advantage that has possessed the buffering shock attenuation and be convenient for lug and pulley dismantlement separation.

Description

Rotary mast amplitude-variable lifting lug for side mounting of existing building

Technical Field

The utility model relates to an unconventional hoist and mount technical field specifically is a gyration mast becomes width of cloth lug for existing building side-mounting.

Background

The hoisting amplitude-variable rotary mast is commonly used for building installation engineering, fixed factories and mines, fixed loading and unloading points or wharfs, due to the conditions of equipment hoisting operation environmental conditions, hoisting height, hoisting positions and the like, the hoisting operation of a conventional crane is not convenient to use, or due to the fact that the hoisting cost is high due to the use of the crane, the hoisting mast, a hoisting cable and other unconventional hoisting operation are adopted, wherein the amplitude-variable rotary mast is commonly used for the hoisting operation of the side surface of the existing high-rise building, and the rotary mast is installed and hoisted by utilizing the outer side structure of the existing building as a supporting carrier to hoist equipment, members or.

In the engineering installation and construction, when the equipment installation construction is carried out on a high-rise building, the condition of the weight of a hoisting object, the hoisting height, the hoisting site and the like is limited, and the hoisting construction cannot be used or is not suitable to be carried out by adopting a conventional hoisting machine, the non-conventional hoisting operation of the type is usually finished by adopting an amplitude-variable rotary mast hoisting process, when the amplitude-variable rotary mast is used for hoisting heavy equipment, a hoisting rotary mast amplitude-variable lifting lug is a common part, the existing rotary mast amplitude-variable lifting lug is directly fixed on a wall surface or a suspension arm by a screw, the lifting lug is connected with a pulley block and needs to bear larger pressure, the rigidity of the lifting lug fixed by the screw is too heavy, the buffering is avoided, the suspended shaking of a hoisted object is easily caused, the screw loosening is easily caused, the accident that the hoisted object falls is caused, and the existing lifting lug is, therefore, the proposed problem is solved by providing a luffing shackle for a side-mounted slewing mast for an existing building.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a gyration mast becomes width of cloth lug for existing building side-mounting, possess the shock attenuation and be convenient for lug and the advantage of pulley dismantlement separation, it all is direct with fix with screw on wall or davit to have solved current gyration mast becomes width of cloth lug, the lug is connected with the assembly pulley, need bear great pressure, the screw fixation rigidity is too heavy for the lug, do not cushion, and by the unsettled rocking of hanging thing, lead to the screw not hard up very easily, thereby lead to the accident of being hung the thing tenesmus, and current lug is connected the problem of being not convenient for to dismantle with the pulley too complicated.

(II) technical scheme

For the above-mentioned purpose that possesses the buffering shock attenuation and be convenient for lug and pulley dismantlement separation, the utility model provides a following technical scheme: a rotary mast amplitude-variable lifting lug for side mounting of an existing building comprises a lifting lug plate, wherein an arc-shaped groove is formed in the lifting lug plate, a U-shaped support is fixedly mounted on the upper side of the opening end of the lifting lug plate, a rotating shaft is fixedly mounted on the inner side of the U-shaped support, a rotating arm is movably mounted on the outer side of the rotating shaft, a clamping block is fixedly mounted at one end, away from the rotating shaft, of the rotating arm, the clamping block is in contact with the lifting lug plate, three movable hinge plates are fixedly mounted in the lifting lug plate and positioned on the left side of the arc-shaped groove, the three movable hinge plates are movably connected with a pin shaft, fixed hinge plates are fixedly mounted on the outer side of the pin shaft and positioned between every two adjacent movable hinge plates, the two fixed hinge plates are fixedly connected with a panel, the panel is sleeved on the outer side of the sliding rod and is in sliding connection with the sliding rod, sliding blocks are fixedly mounted on the upper side, upside the inside sliding connection of slider and first slide rail, downside the inside sliding connection of slider and second slide rail, the equal fixed mounting in inside of first slide rail and second slide rail has one end and slider fixed connection's second spring, the rear side of first slide rail and second slide rail all with backplate fixed connection, the left side of first slide rail, second slide rail and backplate all with base fixed connection.

Preferably, the spiral arm comprises a cylinder and an arc-shaped plate, the cylinder is sleeved outside the rotating shaft and movably connected with the rotating shaft, the arc-shaped plate is fixedly connected with the outer side of the cylinder, and the arc-shaped plate is fixedly connected with the clamping block.

Preferably, a coil spring is sleeved on the outer side of the rotating shaft, one end of the coil spring is fixedly connected with the rotating shaft, and the other end of the coil spring is fixedly connected with the inner side wall of the cylinder.

Preferably, the clamping groove is formed in the inner side wall of the lifting lug plate, and the inner bottom wall of the clamping groove is tightly attached to the outer side wall of the clamping block.

Preferably, the movable hinge plates are distributed at equal intervals, and the upper side wall and the lower side wall of each fixed hinge plate are fixedly provided with reinforcing ribs, one ends of the reinforcing ribs are fixedly connected with the panel.

Preferably, the panel comprises sleeve and rectangular plate, the right side and the fixed hinge board fixed connection of rectangular plate, the left side and the sleeve fixed connection of rectangular plate, sleeve and slide bar sliding connection, sleeve and first spring fixed connection, the slide bar is the slope installation, and inclination is sixty degrees.

Preferably, the length of the first slide rail is greater than that of the second slide rail, the second spring on the upper side is located on the right side of the slide block, and the second spring on the lower side is located on the left side of the slide block.

Advantageous effects

Compared with the prior art, the utility model provides a gyration mast becomes width of cloth lug for existing building side-mounting possesses following beneficial effect:

this hoist and mount gyration mast becomes width of cloth lug, make the radial arm move to the inboard of lug plate round the pivot through the extrusion radial arm, at this moment can hang the pulley in the inside wall of lug plate, at this moment, the coil spring resets and takes the radial arm to restore to the throne and the joint groove closure in the lug plate simultaneously, can lock the pulley in the enclosure space that lug plate and radial arm are constituteed, it is also the same with the pulley dismantlement to the same reason, it is more convenient, when the lug plate is bearing the heavy object, lug plate transmits the decurrent pressure of panel, at this moment, the panel slides down and compresses and tensile first spring on the slide bar, at this moment, the slider takes the panel to move right and compress tensile second spring, the pressure on the panel has been reduced the holding capacity of base simultaneously from two directions, the advantage that has possessed the buffering shock attenuation and be convenient for lug and pulley dismantlement separation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the U-shaped bracket of the present invention connected to the swing arm.

In the figure: the device comprises a lifting lug plate 1, an arc-shaped groove 2, a 3U-shaped bracket, a rotating shaft 4, a rotating arm 5, a clamping block 6, a movable hinge plate 7, a pin shaft 8, a fixed hinge plate 9, a panel 10, a sliding rod 11, a sliding block 12, a first spring 13, a first sliding rail 14, a second sliding rail 15, a second spring 16, a back plate 17 and a base 18.

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.

Referring to fig. 1-2, a rotary mast amplitude-variable lifting lug for side installation of existing buildings comprises a lifting lug plate 1, wherein the inner side wall of the lifting lug plate 1 is provided with a clamping groove, the inner bottom wall of the clamping groove is tightly attached to the outer side wall of a clamping block 6, an arc groove 2 is arranged inside the lifting lug plate 1, a U-shaped bracket 3 is fixedly installed on the upper side of the opening end of the lifting lug plate 1, a rotating shaft 4 is fixedly installed on the inner side of the U-shaped bracket 3, a coil spring is sleeved on the outer side of the rotating shaft 4, one end of the coil spring is fixedly connected with the rotating shaft 4, the other end of the coil spring is fixedly connected with the inner side wall of a cylinder, a rotary arm 5 is movably installed on the outer side of the rotating shaft 4, the rotary arm 5 consists of a cylinder and an arc plate, the cylinder is sleeved on the outer side of the rotating shaft 4 and movably connected with the rotating shaft 4, the arc plate, the clamping block 6 is contacted with the lifting lug plate 1, three movable hinge plates 7 are fixedly arranged in the lifting lug plate 1 and positioned on the left side of the arc-shaped groove 2, the movable hinge plates 7 are distributed at equal intervals, reinforcing ribs with one ends fixedly connected with the panel 10 are fixedly arranged on the upper side wall and the lower side wall of each fixed hinge plate 9, the three movable hinge plates 7 are movably connected with a pin shaft 8, the fixed hinge plates 9 are fixedly arranged on the outer sides of the pin shafts 8 and positioned between every two adjacent movable hinge plates 7, the two fixed hinge plates 9 are fixedly connected with the panel 10, the panel 10 consists of a sleeve and a rectangular plate, the right side of the rectangular plate is fixedly connected with the fixed hinge plates 9, the left side of the rectangular plate is fixedly connected with the sleeve, the sleeve is slidably connected with the sliding rod 11, the sleeve is fixedly connected with a first spring 13, the sliding rod 11 is obliquely arranged, the inclination angle is sixty degrees, the panel 10 is sleeved on the outer, the upper side and the lower side of a sliding rod 11 are both fixedly provided with sliding blocks 12, one side opposite to the two sliding blocks 12 is both fixedly provided with a first spring 13, one end of the first spring is fixedly connected with a panel 10, the upper sliding block 12 is connected with the inside of a first sliding rail 14 in a sliding way, the length of the first sliding rail 14 is larger than that of a second sliding rail 15, an upper side second spring 16 is positioned at the right side of the upper sliding block 12, a lower side second spring 16 is positioned at the left side of the lower sliding block 12, the lower sliding block 12 is connected with the inside of the second sliding rail 15 in a sliding way, a second spring 16, one end of which is fixedly connected with the sliding block 12, is fixedly arranged inside the first sliding rail 14 and the second sliding rail 15, the rear sides of the first sliding rail 14 and the second sliding rail 15 are both fixedly connected with a back plate 17, the left sides of the first sliding rail 14, the second sliding rail 15 and the back plate 17 are all fixedly connected with a base, at the moment, the pulley can be hung on the inner side wall of the lifting lug plate 1, at the moment, the coil spring resets to drive the spiral arm 5 to reset, the clamping block 6 is closed with the clamping groove in the lifting lug plate 1, the pulley can be locked in a closed space formed by the lifting lug plate 1 and the spiral arm 5, the pulley is also detached in the same way, the pulley is convenient to use, when the lifting lug plate 1 bears a heavy object, the lifting lug plate 1 transmits downward pressure to the panel 10, at the moment, the panel 10 slides downward on the sliding rod 11 and compresses and stretches the first spring 13, at the moment, the sliding block 12 drives the panel 10 to move rightward and compresses and stretches the second spring 16, the pressure on the panel 10 is buffered from two directions, the bearing force of the base 18 is reduced, and the advantages of buffering and shock absorption are achieved, and the lifting lug and the pulley.

In conclusion, in the luffing lifting lug for hoisting the slewing mast, the swing arm 5 is driven to move towards the inner side of the lifting lug plate 1 around the rotating shaft 4 by extruding the swing arm 5, the pulley can be hung on the inner side wall of the lifting lug plate 1, the coil spring resets the swing arm 5 and simultaneously the clamping block 6 is closed with the clamping groove in the lifting lug plate 1, the pulley can be locked in the closed space formed by the lifting lug plate 1 and the swing arm 5, similarly, the pulley can be dismounted, the lifting lug is convenient, when the lifting lug plate 1 bears a heavy object, the lifting lug plate 1 transmits downward pressure to the panel 10, the panel 10 slides downward on the sliding rod 11 and compresses and stretches the first spring 13, the sliding block 12 drives the panel 10 to move rightward and compresses and stretches the second spring 16, the pressure on the panel 10 is buffered from two directions, the bearing force of the base 18 is reduced, and the advantages of buffering and shock absorption and convenient detachment and separation of the lifting lug and the pulley are achieved, the problem of current gyration mast become width of cloth lug all directly fix with the screw on wall or davit, the lug is connected with the assembly pulley, need bear great pressure, the lug is too heavy with the fix with screw rigidity, does not cushion, and is rocked by the thing of hanging is unsettled, leads to the screw to become flexible very easily to lead to the accident that is hung the thing tenesmus, current lug is connected too complicated not convenient for dismantlement with the pulley moreover is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gyration mast that is used for existing building side-mounting becomes width of cloth lug, includes lug plate (1), its characterized in that: the inner part of the lifting lug plate (1) is provided with an arc-shaped groove (2), the upper side of the opening end of the lifting lug plate (1) is fixedly provided with a U-shaped support (3), the inner side of the U-shaped support (3) is fixedly provided with a rotating shaft (4), the outer side of the rotating shaft (4) is movably provided with a rotating arm (5), one end of the rotating arm (5) far away from the rotating shaft (4) is fixedly provided with a clamping block (6), the clamping block (6) is contacted with the lifting lug plate (1), the inner part of the lifting lug plate (1) and the left side of the arc-shaped groove (2) are fixedly provided with three movable hinge plates (7), the three movable hinge plates (7) are movably connected with a pin shaft (8), the outer side of the pin shaft (8) and the position between two adjacent movable hinge plates (7) are fixedly provided with fixed hinge plates (9), the two fixed hinge plates (9) are fixedly connected with a panel (10), and the panel (10) is sleeved on the outer side of a, the equal fixed mounting in upper and lower both sides of slide bar (11) has slider (12), two the equal fixed mounting in one side that slider (12) is relative has one end and panel (10) fixed connection's first spring (13), upside the inside sliding connection of slider (12) and first slide rail (14), downside the inside sliding connection of slider (12) and second slide rail (15), the equal fixed mounting in inside of first slide rail (14) and second slide rail (15) has one end and slider (12) fixed connection's second spring (16), the rear side of first slide rail (14) and second slide rail (15) all with backplate (17) fixed connection, the left side of first slide rail (14), second slide rail (15) and backplate (17) all with base (18) fixed connection.

2. A side-mounted slewing mast luffing shackle for an existing building as defined in claim 1, wherein: the spiral arm (5) is composed of a cylinder and an arc-shaped plate, the cylinder is sleeved on the outer side of the rotating shaft (4) and movably connected with the rotating shaft (4), the arc-shaped plate is fixedly connected with the outer side of the cylinder, and the arc-shaped plate is fixedly connected with the clamping block (6).

3. A side-mounted slewing mast luffing shackle for an existing building according to claim 1 or 2, wherein: and a coil spring is sleeved on the outer side of the rotating shaft (4), one end of the coil spring is fixedly connected with the rotating shaft (4), and the other end of the coil spring is fixedly connected with the inner side wall of the cylinder.

4. A side-mounted slewing mast luffing shackle for an existing building as defined in claim 1, wherein: the clamping groove is formed in the inner side wall of the lifting lug plate (1), and the inner bottom wall of the clamping groove is tightly attached to the outer side wall of the clamping block (6).

5. A side-mounted slewing mast luffing shackle for an existing building as defined in claim 1, wherein: the movable hinge plates (7) are distributed at equal intervals, and the upper side wall and the lower side wall of the fixed hinge plate (9) are fixedly provided with reinforcing ribs, one ends of which are fixedly connected with the panel (10).

6. A side-mounted slewing mast luffing shackle for an existing building as defined in claim 1, wherein: the panel (10) comprises sleeve and rectangular plate, the right side and fixed hinge board (9) fixed connection of rectangular plate, the left side and the sleeve fixed connection of rectangular plate, sleeve and slide bar (11) sliding connection, sleeve and first spring (13) fixed connection, slide bar (11) are the slope installation, and inclination is sixty degrees.

7. A side-mounted slewing mast luffing shackle for an existing building as defined in claim 1, wherein: the length of the first slide rail (14) is greater than that of the second slide rail (15), the second spring (16) on the upper side is located on the right side of the slide block (12), and the second spring (16) on the lower side is located on the left side of the slide block (12).