CN214570084U

CN214570084U - Lifting appliance for steel structure installation

Info

Publication number: CN214570084U
Application number: CN202120745911.2U
Authority: CN
Inventors: 毕文斌; 毕国青; 潘兴琼; 颜艳双
Original assignee: Tangshan Xiangjin Machinery Installation Engineering Co ltd
Current assignee: Tangshan Xiangjin Machinery Installation Engineering Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-02
Anticipated expiration: 2031-04-13

Abstract

The utility model relates to a hoist technical field especially relates to a hoist is used in steel construction installation. The lifting arm comprises an arm body and a lifting plate, and two ends of the lifting plate are provided with lifting holes; the side surface of the arm body is provided with a plurality of first jacks at equal intervals, the two sides of the arm body are connected with telescopic arms in a sliding mode, each telescopic arm comprises a sliding arm, a plurality of second jacks are arranged on each sliding arm, one end of each sliding arm is provided with an end panel, a first threaded hole is formed in each end panel, a first fastening bolt is arranged in each first threaded hole, vertical plates are arranged on the two sides of the lower portion of each end panel, a second threaded hole is formed in each vertical plate, a second fastening bolt is connected into each second threaded hole, a third jack is arranged on the lower portion of each vertical plate, and a bearing plate is detachably connected into each third jack; when the first jack and the second jack are aligned, the U-shaped inserted rod can be inserted into the first jack and the second jack. The utility model discloses when hoisting long steel component, the both ends of the wire rope that hoist the lewis hole can not slide to the centre, have avoided hoisting the unstable condition.

Description

Lifting appliance for steel structure installation

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist is used in steel construction installation.

Background

In the installation and construction of a rigid structure, long steel members such as I-steel, channel steel or beams are often required to be installed. Firstly, a plurality of lug plates for hoisting are welded at corresponding positions on a long steel member, then a steel wire rope is connected with the lug plates, the steel wire rope is hoisted by a hoisting hook of a crane for hoisting, and after the hoisting is finished, the lug plates need to be cut off and polished, so that the method is relatively troublesome and has low efficiency; secondly, the steel wire rope is adopted to lift two or more points of the long steel component, the gravity center of the long steel component is positioned at the center of a connecting line of the two or more points, the steel wire rope is sleeved on a corresponding point outside the long steel component, or the steel wire rope lifts a lifting appliance sleeved on the corresponding point outside the long steel component, when the long steel component is lifted, the steel wire rope and the ground form a certain inclination angle, and because the single lifting appliance is only positioned on one point, the sleeve or the lifting appliance of the steel wire rope at the point is not only subjected to the vertical tension, but also is subjected to the horizontal tension, so that the sleeve or the lifting appliance of the steel wire rope is possibly close to each other, the distance is reduced, and the lifting is unstable.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the technical deficiencies, and provide a lifting appliance for steel structure installation, which adopts the lifting plate with lifting holes at two ends arranged on the lifting arm, the two ends of the steel wire rope for lifting the lifting holes can not slide towards the middle, the distance between the lifting points at the two ends of the steel wire rope can not be reduced, and the unstable lifting caused by the reduction of the distance between the lifting points at the two ends of the steel wire rope can be avoided; the arm body is arranged on the suspension arm, the two ends of the arm body are connected with the telescopic arms in a sliding mode, and the extending length of the telescopic arms can be adjusted within a certain range according to the length of the steel member, so that the suspension arm is more stable during suspension.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a lifting appliance for steel structure installation comprises a lifting arm and a U-shaped inserted link, wherein the lifting arm comprises an arm body and a lifting plate arranged on the upper part of the arm body, and two ends of the lifting plate are provided with lifting holes; the side surface of the arm body is provided with a plurality of penetrating first jacks at equal intervals, a cavity is formed in the arm body, telescopic arms are connected to two sides of the cavity in a sliding mode, each telescopic arm comprises a sliding arm, a plurality of second jacks are arranged on the sliding arm at equal intervals, the interval between the first jacks is equal to the interval between the second jacks, one end of each sliding arm is provided with an end plate, a first threaded hole penetrating through the upper surface and the lower surface of the end plate is formed in the end plate, a first fastening bolt is connected to the first threaded hole in a threaded mode, vertical plates are arranged on two sides of the lower portion of the end plate, a penetrating second threaded hole is formed in the middle of each vertical plate, a second fastening bolt is connected to the second threaded hole in a threaded mode, a penetrating third jack is arranged on the lower portion of each vertical plate, and a bearing plate is detachably connected to the third jack; when the first jack is aligned with the second jack, the U-shaped inserted rod can be inserted into the two adjacent jacks.

Further optimize this technical scheme, the tip of U type inserted bar is provided with the screw thread, and this threaded tip detachable is connected with the nut.

Further optimize this technical scheme, the both sides of hanger plate are provided with a plurality of strengthening ribs.

Further optimize this technical scheme, the both ends of bearing plate 7 bottom surface are provided with the breach, the position of breach corresponds with the position of third jack.

Compared with the prior art, the utility model has the advantages of it is following: 1. the suspension arm is provided with the suspension plate with the suspension holes at two ends, two ends of a steel wire rope suspending the suspension holes cannot slide towards the middle, the distance between suspension points at two ends of the steel wire rope cannot be reduced, and the condition that the suspension is unstable due to the reduction of the distance between the suspension points at two ends of the steel wire rope is avoided; 2. the arm body is arranged on the suspension arm, the two ends of the arm body are connected with the telescopic arms in a sliding mode, and the extending length of the telescopic arms can be adjusted within a certain range according to the length of the steel member, so that the suspension arm is more stable during suspension; 3. the both ends of bearing plate bottom are provided with the breach, and the riser can be blocked to the breach, can prevent that the bearing plate from sliding or dropping.

Drawings

Fig. 1 is a schematic structural diagram of a lifting appliance for mounting a steel structure.

Fig. 2 is a schematic structural diagram of a boom of a lifting appliance for steel structure installation.

Fig. 3 is an exploded view of a telescopic boom of a steel structure installation hoist.

In the figure: 1. a suspension arm; 11. an arm body; 111. a first jack; 112. a cavity; 12. a hanger plate; 121. hoisting holes; 122. reinforcing ribs; 2. a telescopic arm; 21. a slide arm; 211. a second jack; 22. an end panel; 221. a first threaded hole; 222. a vertical plate; 2221. a second threaded hole; 2222. a third jack; 3. a U-shaped inserted link; 4. a nut; 5. a first fastening bolt; 6. a second fastening bolt; 7. a bearing plate; 71. and (4) a notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-3, the lifting appliance for installing the steel structure comprises a lifting arm 1 and a U-shaped inserted link 3, wherein the lifting arm 1 comprises an arm body 11 and a lifting plate 12 arranged on the upper portion of the arm body 11, and two ends of the lifting plate 12 are provided with lifting holes 121. The side of the arm body 11 is provided with a plurality of first jacks 111 that run through at equal intervals, the inside cavity 112 that is of arm body 11, the both sides sliding connection of cavity 112 has telescopic boom 2. The telescopic arm 2 comprises a sliding arm 21, a plurality of second insertion holes 211 are arranged on the sliding arm 21 at equal intervals, the interval between the first insertion holes 111 is equal to the interval between the second insertion holes 211, and when the first insertion holes 111 are aligned with the second insertion holes 211, the U-shaped insertion rods 3 can be inserted into the adjacent two insertion holes. The one end of slide arm 21 is provided with end panel 22, be provided with the first screw hole 221 that runs through its upper and lower surface on the end panel 22, first screw hole 221 internal thread connection has first fastening bolt 5, the both sides of end panel 22 lower part are provided with riser 222, the middle part of riser 222 is provided with the second screw hole 2221 that runs through, second screw hole 2221 internal thread connection has second fastening bolt 6, the lower part of riser 222 is provided with the third jack 2222 that runs through, detachable is connected with bearing plate 7 in the third jack 2222.

The U-shaped inserted bar 3 comprises two inserted bars, the ends of the two inserted bars are provided with threads, and the ends with the threads are detachably connected with nuts 4. The U-shaped insert rod 3 is convenient to install, cannot rotate when the nut is rotated, and has higher strength than a single insert rod.

The two sides of the hanging plate 12 are provided with a plurality of reinforcing ribs 122, and the reinforcing ribs 122 are respectively connected with the hanging plate 12 and the arm body 11, so that the functions of reinforcement and reinforcement are achieved.

The two ends of the bottom surface of the bearing plate 7 are provided with notches 71, the width of the notches 71 is slightly larger than the thickness of the vertical plate 222, and the positions of the notches 71 correspond to the positions of the third insertion holes 2222. The cross sections of the third insertion hole 2222 and the bearing plate 7 are rectangular, and the thickness of the bearing plate 7 is slightly smaller than the height of the third insertion hole 2222, so that the bearing plate 7 can be inserted into the third insertion hole 2222 conveniently.

When in use, as shown in fig. 1-3, the steel wire rope firstly passes through the two lifting holes 121 directly, and then the middle of the steel wire rope is hung on a lifting hook of a crane; or D-shaped shackles are arranged at two ends of the steel wire rope, the D-shaped shackles hoist the hoisting holes 121, and then the middle of the steel wire rope is hung on a hoisting hook of a crane, so that the hoisting tool for mounting the steel structure can be hoisted by the crane. Firstly, a long I-shaped steel, channel steel or a beam and other long steel components to be lifted are padded up by battens, so that a certain gap is formed between the bottom surface and the bottom surface of the long steel components, then the lifting tool for steel structure installation is placed on the upper surface of the middle part of the long steel components, so that the long steel components are positioned between two vertical plates 222, the gravity centers of the lifting tool for steel structure installation and the long steel components are overlapped as much as possible, so that the two sides are balanced during later lifting, then the bearing plate 7 is inserted into the third insertion hole 2222, so that the notch 71 is positioned at the third insertion hole 2222, and the notch 71 clamps the vertical plates 222 at the lower part of the third insertion hole 2222 under the action of gravity because the width of the notch is slightly larger than the thickness of the vertical plates 222, so that the bearing plate 7 cannot move back and forth; then the position of the lifting appliance for steel structure installation is adjusted, the long steel component is located in the middle of the bearing plate 7 as much as possible, then the first fastening bolts 5 are screwed, the long steel component is pressed on the bearing plate 7, at the moment, under the action of the first fastening bolts 5, the lifting arm 1 and the telescopic arm 2 ascend for a small distance, then the two second fastening bolts 6 are screwed, two sides of the long steel component are propped against to prevent the long steel component from shaking, finally, the crane can be started, and the lifting appliance for steel structure installation is lifted to a required position together with the long steel component. The extension length of the telescopic arm 2 can be adjusted within a certain range, and when a workpiece is long, the extension length is long, so that the lifting is more stable. Because the steel wire rope is hung in the hanging hole 121, and the hanging plate 12 is rigid, two ends of the steel wire rope cannot slide towards the middle, the distance between the hanging points at two ends of the steel wire rope cannot be reduced, and the condition that the hanging is unstable due to the fact that the distance between the hanging points at two ends of the steel wire rope is reduced is avoided.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a hoist is used in steel construction installation which characterized in that: the lifting arm comprises a lifting arm (1) and a U-shaped inserted link (3), wherein the lifting arm (1) comprises an arm body (11) and a lifting plate (12) arranged on the upper part of the arm body (11), and two ends of the lifting plate (12) are provided with lifting holes (121); a plurality of first through jacks (111) are arranged on the side surface of the arm body (11) at equal intervals, a cavity (112) is formed inside the arm body (11), telescopic arms (2) are connected to two sides of the cavity (112) in a sliding mode, each telescopic arm (2) comprises a sliding arm (21), a plurality of second jacks (211) are arranged on each sliding arm (21) at equal intervals, and the interval between the first jacks (111) is equal to the interval between the second jacks (211); when the first jack (111) is aligned with the second jack (211), the U-shaped inserted rod (3) can be inserted into the two adjacent jacks; the one end of slide arm (21) is provided with end panel (22), be provided with first screw hole (221) that runs through its upper and lower surface on end panel (22), first screw hole (221) internal thread connection has first fastening bolt (5), both sides of end panel (22) lower part are provided with riser (222), the middle part of riser (222) is provided with second screw hole (2221) that runs through, second screw hole (2221) internal thread connection has second fastening bolt (6), the lower part of riser (222) is provided with third jack (2222) that runs through, detachable is connected with bearing plate (7) in third jack (2222).

2. The hanger for steel structure installation according to claim 1, wherein: the end part of the U-shaped inserted bar (3) is provided with threads, and the end part with the threads is detachably connected with a nut (4).

3. The hanger for steel structure installation according to claim 1, wherein: a plurality of reinforcing ribs (122) are arranged on two sides of the hanging plate (12).

4. The sling for mounting steel structures according to any one of claims 1, 2 or 3, wherein: the bearing plate is characterized in that notches (71) are arranged at two ends of the bottom surface of the bearing plate (7), the width of each notch (71) is larger than the thickness of the corresponding vertical plate (222), and the positions of the notches (71) correspond to the positions of the third insertion holes (2222).