CN219792126U

CN219792126U - Economizer section of jurisdiction lifting device

Info

Publication number: CN219792126U
Application number: CN202320157692.5U
Authority: CN
Inventors: 袁军; 张梅
Original assignee: Yangtze Ecology and Environment Co Ltd
Current assignee: Yangtze Ecology and Environment Co Ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-10-03
Anticipated expiration: 2033-02-08

Abstract

The utility model provides an economizer section of jurisdiction lifting device, includes the crossbeam, and the upside of crossbeam is equipped with first lug, the downside both ends of crossbeam are equipped with the second lug respectively, two install ten third lugs between the second lug, the third lug is U type pole structure, the crossbeam includes bottom plate and medium plate, and the medium plate is fixed to be set up in the upside middle part of bottom plate, is equipped with multiunit mounting hole respectively on the bottom plate in the both sides of medium plate, and third lug both ends are connected fixedly through mounting hole and crossbeam. Two ends of the lower side of the cross beam of the hoisting tool are respectively provided with a second lifting lug, and the second lifting lugs are used for installing an electric or manual hoist when the economizer is unloaded singly, so that the economizer is unloaded singly; the third lifting lug for lifting the economizer adopts a U-shaped rod structure, so that a U-shaped screw finished product can be bent or purchased on site, and the device is convenient and quick to manufacture on site.

Description

Economizer section of jurisdiction lifting device

Technical Field

The utility model relates to the technical field of boiler economizer serpentine segment hoisting, in particular to an economizer segment hoisting tool.

Background

The boiler economizer is a device which is arranged in a boiler flue and used for recovering exhaust gas waste heat, and hundreds of boiler economizers are required to be arranged when a new garbage power plant project is built in the company. The length of the single-piece boiler economizer is about 6-7m, the width is about 2m, a #20 steel pipe is adopted, and the weight of the single piece is about 500 kg. The hoisting and transferring mode adopted at present is that a single piece is hoisted and installed, two steel wire ropes are adopted, one end of each steel wire rope is fixedly positioned on a tower crane, the boiler economizer is hung at the other end of each steel wire rope, the single piece of the boiler economizer is hoisted to be 30-40m high through the tower crane, the single piece of the boiler economizer needs to be hoisted for half an hour, time and labor are consumed, the installation efficiency is low, and the single piece of the boiler economizer is severely rocked in the hoisting process, and the risk is high.

Chinese patent document CN 215886000U, publication/bulletin day 2022, 2 and 22, discloses a device for lifting coiled pipe of bulk boiler economizer, which has the advantages of realizing integrated lifting of coiled pipe of bulk economizer, shortening construction period of boiler economizer, and the following: the device can not conveniently carry out single unloading and installation on the boiler economizer which is integrally hoisted; and two,: the second lifting lug structure of the device is inconvenient for rapidly manufacturing the lifting device on site according to the inner diameter of the flue.

Disclosure of Invention

The utility model aims to solve the technical problems that: solves the problems existing in the background technology and provides a lifting tool for the segments of the economizer. Two ends of the lower side of the cross beam of the hoisting tool are respectively provided with a second lifting lug, and the second lifting lugs are used for installing an electric or manual hoist when the economizer is unloaded singly, so that the economizer is unloaded singly; the third lifting lug for lifting the economizer adopts a U-shaped rod structure, so that a U-shaped screw finished product can be bent or purchased on site, and the device is convenient and quick to manufacture on site.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides an economizer section of jurisdiction lifting device, includes the crossbeam, and the upside of crossbeam is equipped with first lug, the downside both ends of crossbeam are equipped with the second lug respectively, two install a plurality of third lugs between the second lug, the third lug is U type pole structure, the crossbeam includes bottom plate and medium plate, and the medium plate is fixed to be set up in the upside middle part of bottom plate, is equipped with multiunit mounting hole respectively on the bottom plate in the both sides of medium plate, and third lug both ends are connected fixedly through mounting hole and crossbeam, and the both ends of third lug are located the both sides of medium plate respectively.

The crossbeam still includes the roof, and the roof is installed in the upside of medium plate.

And lifting holes are symmetrically formed in two ends of the first lifting lug.

External threads are arranged at two ends of the third lifting lug, and nuts are installed on the upper side of the bottom plate or the upper side and the lower side of the bottom plate after the two ends of the third lifting lug penetrate through the installation holes.

And two ends of the third lifting lug penetrate through the mounting holes, and the part of the third lifting lug, which is positioned on the upper side of the middle plate, is welded with the bottom plate and/or the middle plate.

Each group of mounting holes on the bottom plate are inclined to the middle plate, and each group of mounting holes is close to the middle plate.

The utility model has the following beneficial effects:

1. two ends of the lower side of the cross beam of the hoisting tool are respectively provided with a second lifting lug, and the second lifting lugs are used for installing an electric or manual hoist when the economizer is unloaded singly, so that the economizer is unloaded singly; the third lifting lug for lifting the economizer adopts a U-shaped rod structure, so that a U-shaped screw finished product can be bent or purchased on site, and the device is convenient and quick to manufacture on site. The two ends of the third lifting lug are respectively positioned at the two sides of the middle plate, so that the balance and the stability are good.

2. The both ends of third lug are equipped with the external screw thread, and after the mounting hole was passed at the both ends of third lug, the nut was installed to the both sides about the external screw thread was located the upside of bottom plate or was located the bottom plate, and the third lug adopts U-shaped screw rod, simple to operate.

3. The two ends of the third lifting lug penetrate through the mounting holes, and the part of the third lifting lug, which is positioned on the upper side of the middle plate, is welded with the bottom plate and/or the middle plate, so that the third lifting lug can be bent on site by adopting round steel.

Drawings

Fig. 1 is a schematic front view of a first embodiment of the present utility model.

Fig. 2 is a schematic side view of a first embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a first embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 5 is a schematic perspective view of the beam of the present utility model.

In the figure: the lifting device comprises a beam 10, a middle plate 11, a bottom plate 12, a mounting hole 13, a top plate 14, a first lifting lug 20, a lifting hole 21, a second lifting lug 30, a third lifting lug 40, external threads 41 and a nut 42.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1-5, an economizer section of jurisdiction lifting device, including crossbeam 10, the upside of crossbeam 10 is equipped with first lug 20, the downside both ends of crossbeam 10 are equipped with second lug 30 respectively, two install ten third lugs 40 between the second lug 30, third lug 40 is the U type pole structure, crossbeam 10 includes bottom plate 12 and medium plate 11, and medium plate 11 is fixed to be set up in the upside middle part of bottom plate 12, is equipped with multiunit mounting hole 13 on the bottom plate 12 respectively in the both sides of medium plate 11, and third lug 40 both ends are connected fixedly with crossbeam 10 through mounting hole 13. Two ends of the lower side of the cross beam 10 of the hoisting tool are respectively provided with a second lifting lug 30, and the second lifting lug 30 is used for installing an electric or manual hoist when a single coal economizer is unloaded, so that the single coal economizer is convenient to unload; the third lifting lug 40 for lifting the economizer adopts a U-shaped rod structure, and can bend or purchase a U-shaped screw finished product on site, and is convenient and quick in site manufacturing.

When in manufacture, the cross beam 10 can be welded into an inverted T-shaped structure through a steel plate, and I-shaped steel can also be adopted. When the steel plates are welded into the inverted T-shaped structure, the first lifting lug 20 can be positioned on the middle plate 11. The two ends of the third lifting lug 40 are located on both sides of the middle plate 11, respectively.

When the lifting device is used, the lifting hook of the tower crane is connected with the first lifting lug 20 through a steel wire rope, so that the lifting tool is connected with the lifting hook of the tower crane; the second lifting lug 30 is penetrated by a steel wire rope which is connected and fixed with the economizer; the lifting hook lifts up, thereby promotes ten economizers simultaneously, and during installation, single installation is required, and second lug 30 is used for installing electric or manual hoist when single installation economizer, the single uninstallation installation of being convenient for the economizer. The tool can fix 10 coiled pipes at one time, uniformly hoist through the tower crane, the hoisting time is about half an hour, and the installation efficiency is greatly improved. When the tool is used for hoisting, the weight of 10 coiled pipes is about 5t, and the hoisting process has relatively small shaking.

In a preferred embodiment, referring to fig. 5, the beam 10 further includes a top plate 14, and the top plate 14 is mounted on the upper side of the middle plate 11 to form an i-steel structure, so that the beam 10 is more stable in structure. The cross beam 10 can be welded by steel plates or directly by I-steel.

For stable lifting, referring to fig. 1, lifting holes 21 are symmetrically formed at both ends of the first lifting lug 20. During hoisting, the shackle can be installed through the hoisting hole 21, so that the sharp point of the hoisting hole 21 is prevented from damaging the steel wire rope.

In a preferred embodiment, the third lifting lug 40 may be a U-shaped screw, which is convenient to install. Specifically, the external threads 41 are provided at both ends of the third lifting lug 40, and after the both ends of the third lifting lug 40 pass through the mounting hole 13, nuts 42 are mounted on the external threads 41 on the upper side of the bottom plate 12 or on the upper and lower sides of the bottom plate.

Embodiment two:

the first difference from the embodiment is that the third lifting lug 40 is formed by bending round steel in situ to form a U-shaped structure. Specifically, both ends of the third lifting lug 40 pass through the mounting holes 13, and a portion of the third lifting lug 40 located on the upper side of the middle plate 11 is welded to the bottom plate 12 and/or the middle plate 11.

Further, in order to facilitate the welding of the two ends of the third lifting lug 40 with the middle plate 11, each set of mounting holes 13 on the bottom plate 12 is inclined to the middle plate 11, so that each mounting hole 13 is close to the middle plate 11.

The working process and principle of the utility model are as follows:

when in use, the lifting hook of the tower crane is connected with the first lifting lug 20 through a steel wire rope, so that the lifting tool is connected with the lifting hook of the tower crane; the second lifting lug 30 is penetrated by a steel wire rope which is connected and fixed with the economizer; the hooks were lifted to simultaneously lift 10 economizers. When installed, a single installation is required, and the second lifting lug 30 is used for installing an electric or manual hoist when the economizer is installed singly, so that the economizer is convenient to be installed in a single unloading mode. The tool can fixedly hoist 10 coiled pipes at a time, hoist the coiled pipes uniformly through the tower crane, the hoisting time is about half an hour, and the installation efficiency is greatly improved.

Claims

1. The utility model provides an economizer section of jurisdiction lifting device, includes crossbeam (10), and the upside of crossbeam (10) is equipped with first lug (20), its characterized in that: the utility model discloses a crossbeam, including crossbeam (10), downside both ends are equipped with second lug (30) respectively, two install a plurality of third lugs (40) between second lug (30), third lug (40) are U type pole structure, crossbeam (10) are including bottom plate (12) and medium plate (11), and medium plate (11) are fixed to be set up in the upside middle part of bottom plate (12), are equipped with multiunit mounting hole (13) respectively on bottom plate (12) in the both sides of medium plate (11), and third lug (40) both ends are connected fixedly through mounting hole (13) and crossbeam (10), and both ends of third lug (40) are located the both sides of medium plate (11) respectively.

2. The economizer segment lifting tool according to claim 1, wherein: the beam (10) further comprises a top plate (14), and the top plate (14) is arranged on the upper side of the middle plate (11).

3. The economizer segment lifting tool according to claim 1, wherein: hoisting holes (21) are symmetrically formed in two ends of the first lifting lug (20).

4. The economizer segment lifting tool according to claim 1, wherein: external threads (41) are arranged at two ends of the third lifting lug (40), and nuts (42) are installed on the upper side of the bottom plate (12) or the upper side and the lower side of the bottom plate after the two ends of the third lifting lug (40) penetrate through the installation holes (13) and are positioned on the upper side and the lower side of the bottom plate in the external threads (41).

5. The economizer segment lifting tool according to claim 1, wherein: and two ends of the third lifting lug (40) penetrate through the mounting holes (13), and the part of the third lifting lug (40) positioned on the upper side of the middle plate (11) is welded with the bottom plate (12) and/or the middle plate (11).

6. The economizer segment lifting tool according to claim 5, wherein: each group of mounting holes (13) on the bottom plate (12) is inclined to the middle plate (11), and each mounting hole (13) is close to the middle plate (11).