CN117509444A

CN117509444A - Novel steel construction lifting device

Info

Publication number: CN117509444A
Application number: CN202311624793.XA
Authority: CN
Inventors: 刘宁; 于乃领; 薛炳祥; 姚宣辰; 尹红
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-02-06

Abstract

The invention belongs to the technical field of steel structure hoisting, and relates to a novel steel structure hoisting tool. Compared with the traditional hoisting, the invention provides a more flexible suspension and movement mode aiming at the field operation surface problem by matching the hoisting plate with the hoisting working platform, adapts to the construction requirement of a limited space, and provides effective and stable clamping for the steel beam by the detachable steel beam clamp holder.

Description

Novel steel construction lifting device

Technical Field

The invention relates to the technical field of steel structure hoisting, in particular to a novel steel structure hoisting tool.

Background

The project 1# factory building is transformed from an old factory building, and the steel structure type is a steel frame structure. And newly building a 5-layer steel structure frame in the central area of the original factory building. 132 steel columns, 1161 steel beams, 24 steel beams of the stair steel columns and 417 tons are added. The original workshop span of the workshop is large, the newly-increased area is positioned in the center of the workshop, the newly-increased area is 14m from the roof, the original structure is basically reserved, the working face is small, and therefore the installation of the steel structure frame of the newly-increased area is difficult.

The conventional steel structure hoisting mode is that an automobile crane is used for hoisting a steel member, and then an automobile crane or a lifting car is used for carrying and installing an installer in a matching way, but the field operation area of a newly added area is small, and the conventional hoisting mode is not satisfied.

Disclosure of Invention

The invention provides a novel steel structure hoisting tool for solving the problem that the field operation surface of a newly added area does not meet the conventional hoisting mode.

The technical scheme of the invention is realized by the following scheme: the utility model provides a novel steel construction lifting device, includes crane, wire rope, girder steel and passes through wire rope hangs the lifting plate at the crane end of hanging, detachable clamp has a plurality of girder steel clampers and a plurality of work platform of hanging on the girder steel, girder steel clampers passes through wire rope connection lifting plate, the lifting plate passes through wire rope connection safety hook.

Through above technical scheme, through hanging the board and hanging work platform cooperation, compare traditional hoist and mount, to on-the-spot operation face problem, provide more nimble suspension and removal mode, the construction demand in finite space has been adapted to, detachable girder steel holder provides effective and firm centre gripping for the girder steel, its girder steel holder and hanging work platform and can adjust according to specific girder steel size, the adaptability of system to different specification girder steel has been increased, the operation process has been simplified, the construction of for engineering and the operation of hanging have brought apparent benefit.

Preferably, the hanging working platform comprises a hanging basket and a clamping assembly, wherein the hanging basket is fixed and the clamping assembly is welded, and a plurality of hooks are fixedly arranged on the clamping assembly.

Preferably, the clamping assembly comprises a U-shaped shell, a limiting rod, a bidirectional screw rod and a clamping piece, wherein the limiting rod and the bidirectional screw rod are arranged on one side, close to the hanging basket, of the two arms of the U-shaped shell, the clamping piece is relatively arranged on the limiting rod and the bidirectional screw rod, the clamping piece moves in a sliding mode on the bidirectional screw rod and the limiting rod relatively through a handle, and the hook is arranged at the corner of the other side of the U-shaped shell.

Preferably, bearings are mounted at two ends of the bidirectional screw rod, and a handle is arranged at one end of the bidirectional screw rod penetrating out of the U-shaped shell.

Preferably, the number of the hooks is two, and the hanging plate is provided with a plurality of through holes.

Through above technical scheme, through adopting the structure that open circular slot and square groove combine on two-way screw rod and the "L" holder, make the structure possess the girder steel high adaptability to different shapes and sizes in the low cost simultaneously, improved work platform's commonality and application scope, operating personnel can adjust the centre gripping degree as required, and screw thread auto-lock mechanism has ensured the stability of centre gripping, has provided higher accuracy and controllability for the work, has reduced the complexity of maintenance and operation.

The novel steel structure hoisting method comprises the following specific steps:

step A: transporting and installing a hanging plate and a falling protector;

and (B) step (B): installing a steel beam clamping device and a hanging working platform;

step C: installing an anti-falling device for a constructor, and starting hoisting construction;

step D: after the steel beam construction is completed, workers take the steel beam as a support, and detach the steel beam clamping device and the hanging working platform.

Preferably, the specific hoisting step of the step a includes:

a1, hanging a hanging plate at a hanging end of a crane through a steel wire rope;

a2, one end of the falling protector is tied and hung on the hanging plate through a steel wire rope.

Preferably, the specific hoisting step of the step B includes:

b1, adjusting a threaded rod on the steel beam clamp to clamp the steel beam;

b2, connecting the steel beam clamp with the hanging plate through a steel wire rope:

b3, further screwing the handle to adjust the clamping assembly of the hanging working platform to clamp the steel beam.

Preferably, the specific hoisting step of the step C includes:

c1, tying and hanging the other end of the falling protector on a worker;

c2, workers enter a hanging working platform, and the crane starts to lift;

and c3, starting construction until the designated position is reached.

Preferably, the specific disassembling step of the step D includes:

d1, finishing the construction and fixation of the steel girder;

d2, taking the steel beam as a supporting point, and disassembling the steel beam clamping device;

d3, at the moment, the hanging plate is in a soft state, the direction of a crane is adjusted, and the hanging plate is controlled to fall down to a hanging working platform at one end;

d4, further enabling the hanging plate to be hung on a hook of the hanging working platform by a worker;

d5, a worker turns the handle to release the clamped hanging working platform;

d6, further moving the hanging working platform hung by the crane to the hanging working platform at the other end, repeating the operation, and completing the disassembly;

d7, the crane controls the hanging plate to descend so that workers can safely fall to the ground.

In summary, the invention has the following beneficial effects:

1. compared with the traditional hoisting, the invention provides a more flexible suspension and movement mode aiming at the field operation surface problem by matching the hoisting plate with the hoisting working platform, adapts to the construction requirement of a limited space, and provides effective and stable clamping for the steel beam by the detachable steel beam clamp holder.

2. Through adopting the structure that circular groove and square groove combine on two-way screw rod and the "L" holder, make the structure possess the girder steel high adaptability to different shapes and sizes in the low cost simultaneously, improved work platform's commonality and application scope, operating personnel can adjust the centre gripping degree as required, and screw thread self-locking mechanism has ensured the stability of centre gripping, has provided higher accuracy and controllability for the work, has reduced the complexity of maintaining and operation.

3. The cooperation of the two simple devices of the hook and the through hole of the lifting plate provides a certain guarantee for the safety of workers.

Drawings

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

FIG. 2 is a schematic perspective view of a hanging work platform according to the present invention;

FIG. 3 is a schematic perspective view of a portion of the clamping assembly of the present invention;

FIG. 4 is a schematic perspective view of a lifting plate according to the present invention;

fig. 5 is a schematic perspective view of the steel beam clamp of the present invention.

Reference numerals illustrate: 1. a hanging plate; 2. hanging a working platform; 21. hanging basket; 22. a clamping assembly; 221. a U-shaped housing; 222. a limit rod; 223. a bidirectional screw; 224. a clamping member; 3. a steel beam clamp; 4. a fall arrester; 5. a hook; 6. a bearing; 7. a handle; 8. a threaded rod.

Detailed Description

In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the present disclosure, as described in further detail below with reference to the accompanying drawings.

Example 1: the utility model provides a novel steel construction lifting device, as shown in fig. 1-5, including the crane, wire rope, the girder steel and hang hoist plate (1) at the crane end of hanging through wire rope, detachable centre gripping has a plurality of girder steel pressfitting wares (3) and a plurality of hanging work platform (2) on the girder steel, girder steel pressfitting wares (3) pass through wire rope and connect hoist plate (1), hoist plate (1) pass through wire rope and connect safety hook (4), through hoist plate (1) and the cooperation of hanging work platform (2), compare traditional hoist and mount, more nimble suspension and removal mode have been provided, the construction demand in limited space has been adapted, can dismantle the centre gripping and provide effectual centre gripping for the girder steel, and can adjust according to specific girder steel size, increased the adaptability of system to the girder steel of different specifications, hoist plate (1) is the finished steel sheet, because former workshop span is great, and newly-increased the region is located the factory building center, this hoist system is more suitable for the installation of big span, the adaptability to complex engineering, its hanging work platform (2) and girder steel pressfitting wares (3) are two sets of respectively, install at the both ends of girder steel pressfitting wares (3).

The hanging working platform (2) comprises a hanging basket (21) and a clamping component (22), the hanging basket (21) is fixed and the clamping component (22) is subjected to welding treatment, a plurality of hooks (5) are fixedly arranged on the clamping component (22), the clamping component (22) comprises a U-shaped shell (221), a limiting rod (222), a bidirectional screw rod (223) and a clamping piece (224), the limiting rod (222) and the bidirectional screw rod (223) are arranged on one side of the U-shaped shell (221) close to the hanging basket (21), the clamping piece (224) is relatively arranged on the limiting rod (222) and the bidirectional screw rod (223), the clamping piece (224) is relatively moved on the bidirectional screw rod (223) and the limiting rod (222) through a handle (7), the hooks (5) are arranged at the corners of the other side of the U-shaped shell (221), the clamping piece (224) can relatively slide on the U-shaped shell through the bidirectional screw rod (223) and the limiting rod (222), the clamping piece (224) is in an L-shaped structure, the clamping piece (224) is in a circular groove and square groove combined state, the clamping piece (224) is in an effective shape and a large and small adaptation degree and a large shape and a small adaptation degree can be controlled, the clamping degree can be similar to the hanging basket (21) can be controlled through the clamping component and the clamping component (8) and the clamping component can be controlled through the clamping person, the stability and the security of work are ensured through the screw thread auto-lock, hang basket (21) of work platform (2) and form for the reinforcing bar welding, and it is also welding with clamping assembly (22), has strengthened the steadiness and the durability of structure, ensures firm in connection between basket (21) and clamping assembly (22), and clamping assembly (22) adopts the fluting in the middle of the square steel, and not only its light in weight, convenient transportation has also kept sufficient intensity simultaneously.

The bearing (6) is installed at two ends of the bidirectional screw rod (223), the bidirectional screw rod (223) penetrates out one end of the U-shaped shell (221) is provided with the handle (7), the number of the hooks (5) is preferably two, a plurality of through holes are formed in the lifting plate (1), torsion is completed through the bearing (6), the torsion force is converted into linear motion through the cooperation of the limiting rod (222), two hooks (5) are installed at two corners of the U-shaped shell (221) respectively, the descending stability of the U-shaped shell is effectively improved after the U-shaped shell is detached, two rows of through holes are formed in the lifting plate (1), the upper row of through holes are connected with a crane, and the lower row of through holes are matched with all devices.

Example 2: a novel steel structure hoisting method, as shown in figures 1-5, comprises the following operation steps:

step A: transporting and installing a hanging plate (1) and a falling protector (4);

a1, hanging a hanging plate (1) at the hanging end of a crane through a steel wire rope;

a2, one end of the falling protector (4) is tied and hung on the lifting plate (1) through a steel wire rope.

The number of the falling protectors (4) is consistent with the number of workers participating in hoisting construction, and a certain safety is provided for the workers.

And (B) step (B): installing a steel beam clamp (3) and a hanging working platform (2);

b1, adjusting a threaded rod (8) on the steel beam clamp (3) to clamp the steel beam;

b2, connecting the steel beam clamping device (3) with the hoisting plate (1) through a steel wire rope:

b3, further screwing the handle (7) to adjust the clamping assembly (22) of the hanging working platform (2) to clamp the steel beam.

The steel beam clamping device (3) and the hanging working platform (2) are clamped at the left end and the right end of the steel beam and are deviated from the construction and fixation of workers, if the steel beam is clung to the ground, the hanging working platform (2) is not well clamped, and a crane can be started to be away from a part of the ground, so that clamping is completed.

Step C: installing a falling protector (4) for a constructor, and starting hoisting construction;

c1, tying the other end of the falling protector (4) on a worker;

c2, workers enter the hanging working platform (2), and the crane starts to lift;

and c3, starting construction until the designated position is reached.

The workers enter the hanging basket (21) of the hanging working platform (2) to start lifting.

Step D: after the steel beam construction is completed, workers take the steel beam as a support and detach the steel beam clamping device (3) and the hanging working platform (2);

d1, finishing the construction and fixation of the steel girder;

d2, taking the steel beam as a supporting point, and disassembling the steel beam clamp (3);

d3, at the moment, the hanging plate (1) is in a soft state, the direction of a crane is adjusted, and the hanging plate (1) is controlled to fall down to a hanging working platform (2) at one end;

d4, further enabling the hoisting plate (1) to be hung on a hook (5) of the hanging working platform (2) by workers;

d5, a worker screws the handle (7) to unclamp the hanging working platform (2);

d6, further moving the hanging working platform (2) hung by the crane to the hanging working platform (2) at the other end, repeating the operation, and completing the disassembly;

d7, the crane controls the lifting plate (1) to descend so that workers can safely fall to the ground.

The supporting force after the steel beam construction is finished is enough to support two workers, the workers can detach through the steel beam as a supporting point, and the two hooks (5) on the U-shaped shell (221) provide good stability for the hanging working platform (2).

The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. Novel steel construction lifting device, its characterized in that: including crane, wire rope, girder steel and pass through wire rope hangs hoist and mount board (1) at the crane end of hanging, detachable centre gripping has a plurality of girder steel presss from both sides tight wares (3) and a plurality of work platform (2) of hanging on the girder steel, girder steel presss from both sides tight wares (3) and passes through wire rope connection hoist and mount board (1), hoist and mount board (1) pass through wire rope connection fall arrester (4).

2. The novel steel structure lifting tool according to claim 1, wherein: the hanging working platform (2) comprises a hanging basket (21) and a clamping assembly (22), wherein the hanging basket (21) is fixed to the clamping assembly (22) in a welding process, and a plurality of hooks (5) are fixedly arranged on the clamping assembly (22).

3. The novel steel structure lifting tool according to claim 2, wherein: the clamping assembly (22) comprises a U-shaped shell (221), a limiting rod (222), a bidirectional screw rod (223) and clamping pieces (224), wherein the limiting rod (222) and the bidirectional screw rod (223) are arranged on one side, close to the hanging basket (21), of the two arms of the U-shaped shell (221), the clamping pieces (224) are relatively arranged on the limiting rod (222) and the bidirectional screw rod (223), the clamping pieces (224) relatively slide on the bidirectional screw rod (223) and the limiting rod (222) through handles (7), and the hooks (5) are arranged at corners of the other side of the U-shaped shell (221).

4. A novel steel structure lifting tool according to claim 3, characterized in that: the two ends of the two-way screw rod (223) are provided with bearings (6), and one end of the two-way screw rod (223) penetrating out of the U-shaped shell (221) is provided with a handle (7).

5. The novel steel structure lifting tool according to claim 2, wherein: the number of the hooks (5) is preferably two, and a plurality of through holes are formed in the lifting plate (1).

6. A novel steel structure hoisting method, characterized in that the steel beam is hoisted by using the novel steel structure hoisting tool according to claim 4, comprising the following hoisting steps:

step D: after the steel beam construction is completed, workers take the steel beam as a support, and detach the steel beam clamping device (3) and the hanging working platform (2).

7. The novel steel structure hoisting method according to claim 6, wherein: the specific hoisting step of the step A comprises the following steps:

8. The novel steel structure hoisting method according to claim 6, wherein: the specific hoisting step of the step B comprises the following steps:

9. The novel steel structure hoisting method according to claim 6, wherein: the specific hoisting step of the step C comprises the following steps:

c1, tying the other end of the falling protector (4) on a worker;

and c3, starting construction until the designated position is reached.

10. The novel steel structure hoisting method according to claim 6, wherein: the specific disassembly step of the step D comprises the following steps:

d1, finishing the construction and fixation of the steel girder;

d5, a worker screws the handle (7) to unclamp the hanging working platform (2);