CN212403158U

CN212403158U - Hoisting tool for air duct device

Info

Publication number: CN212403158U
Application number: CN202020772306.XU
Authority: CN
Inventors: 滕平强; 吴子上
Original assignee: SEPCO Electric Power Construction Co Ltd
Current assignee: SEPCO Electric Power Construction Co Ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-01-26
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to the technical field of hoisting, and provides a hoisting tool for an air duct device, which comprises a rectangular frame formed by connecting four cross beams end to end; the adjacent cross beams are connected through a first bolt structure; the top parts of the four corners of the rectangular frame are provided with first upper hanging pieces, and the bottom parts of the four corners of the rectangular frame are provided with first lower hanging pieces; a stiffening beam is arranged between the adjacent cross beams; the end of the reinforcing beam is connected with the cross beam through a second bolt structure. The four corners of the rectangular frame are provided with four lifting points by arranging the rectangular frame and arranging the first lower lifting pieces at the bottoms of the four corners of the rectangular frame; when the hoisting is carried out, the direct contact between the lifting rope and the surface of the air duct can be prevented, and further, the protection material is prevented from being laid on the surface of the air duct, so that the hoisting cost is reduced; and the lifting force can be evenly distributed to the air duct device through the lifting rope, so that the whole stress of the air duct device is uniform, the air duct is prevented from being bent and deformed, and the safety of the whole hoisting process is improved.

Description

Hoisting tool for air duct device

Technical Field

The utility model relates to a hoist and mount technical field, in particular to dryer is hoist and mount instrument for device.

Background

The air duct device mainly comprises an air duct and a steel frame structure matched with the air duct. The air duct device is arranged at the top of the air cooling device, and in order to reduce the load of the air duct device on the air cooling device, the air duct and a steel frame structure matched with the air duct device are made of light plates and sections.

After the air duct and the steel frame structure matched with the air duct are manufactured, the air duct and the steel frame structure are assembled on the ground and then are integrally hoisted. The traditional hoisting mode is as follows: two ends of the steel wire rope are directly connected with the steel frame structure, and then the steel wire rope is hung on a lifting hook of a lifting device, so that the air duct device is lifted.

However, the hoisting method has the following disadvantages: 1. because the air duct is made of light plates, the stability of the air duct is poor; the wind tube is directly hoisted by using the steel wire rope, so that the wind tube is bent and deformed due to poor stability in the hoisting process; and the air duct is after warping, and the condition that wire rope can appear sliding unhook makes whole hoist and mount process have great potential safety hazard. 2. In the whole hoisting process, the steel wire rope can be directly contacted with the air duct, so that a paint film on the surface of the air duct is damaged; therefore, in order to protect the paint film on the surface of the air duct, a protective material is required to be additionally paved, and the hoisting cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dryer is hoist and mount instrument for device is provided to prevent that the dryer from taking place to warp at hoist and mount in-process.

The utility model provides a technical scheme that its technical problem adopted is: the hoisting tool for the air duct device comprises a rectangular frame formed by connecting four cross beams end to end; the adjacent cross beams are connected through a first bolt structure; the top parts of the four corners of the rectangular frame are provided with first upper hanging pieces, and the bottom parts of the four corners of the rectangular frame are provided with first lower hanging pieces; a stiffening beam is arranged between the adjacent cross beams; the end part of the reinforcing beam is connected with the cross beam through a second bolt structure.

Furthermore, the bottom of each beam is also provided with at least two second lower hanging pieces.

Furthermore, the top of each beam is also provided with at least two second upper hanging pieces.

Furthermore, the crossbeam includes the upper flange board that the level set up, sets up the lower flange board in upper flange board below, fixes the web between upper flange board and lower flange board.

Furthermore, the cross beam also comprises at least two reinforcing rib plates which are fixed between the upper flange plate and the lower flange plate along the axial direction of the cross beam.

Further, the first upper hanging piece comprises a first upper fixing plate and a first upper hanging lug plate welded on the first upper fixing plate; the first upper fixing plate is fixedly connected with the upper flange plate of the cross beam, and a first upper lifting lug hole is formed in the first upper lifting lug plate.

Further, the first lower hanger comprises a first lower fixing plate and a first lower hanger plate welded on the first lower fixing plate; the first lower fixing plate is fixedly connected with a lower flange plate of the cross beam, and a first lower lifting lug hole is formed in the first lower lifting lug plate.

Furthermore, the first bolt structure comprises a first connecting plate welded with one end of the cross beam, a first bolt sequentially penetrating through the web plate of the other cross beam and the first connecting plate, and a first nut screwed at the end of the first bolt.

Furthermore, the second bolt structure comprises a second connecting plate welded with the web of the beam, a second bolt sequentially penetrating through the reinforcing beam and the second connecting plate, and a second nut screwed on the end part of the second bolt.

The utility model has the advantages that:

1. the four corners of the rectangular frame are provided with four lifting points by arranging the rectangular frame and arranging the first lower lifting pieces at the bottoms of the four corners of the rectangular frame; when the hoisting is carried out, the direct contact between the lifting rope and the surface of the air duct can be prevented, and further, the protection material is prevented from being laid on the surface of the air duct, so that the hoisting cost is reduced; and the accessible lifting rope will rise the power evenly to distribute to the dryer device on, make the whole atress of dryer device even, and then prevent that the dryer from taking place to buckle and warp, realize that the dryer device steadily rises to rise and the function of whereabouts installation, improved the security of whole hoist and mount process.

2. Through set up the stiffening beam between adjacent crossbeam, improved rectangular frame's stability and reliability, through setting up first bolt structure and second bolt structure, make this lifting device can wholly dismantle, the equipment is convenient.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below; it is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a perspective view of a hoisting tool for an air duct device according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 1;

fig. 5 is a schematic structural view of the wind tunnel device hoisted by the hoisting tool according to the embodiment of the present invention;

fig. 6 is a left side view of fig. 5.

The reference numbers in the figures are: 1-a cross beam, 2-a first bolt structure, 3-a first upper hanger, 4-a first lower hanger, 5-a reinforcement beam, 6-a second bolt structure, 7-a second lower hanger, 8-a second upper hanger, 9-a first lifting rope, 10-a second lifting rope, 11-an upper flange plate, 12-a lower flange plate, 13-a web plate, 14-a reinforcement plate, 21-a first connecting plate, 22-a first bolt, 23-a first nut, 31-a first upper fixing plate, 32-a first upper hanger plate, 33-a first upper hanger hole, 41-a first lower fixing plate, 42-a first lower hanger plate, 43-a first lower hanger hole, 61-a second connecting plate, 62-a second bolt, 63-a second nut, 70-a third lifting rope, 80-a fourth lifting rope.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 1 to 3, the lifting tool for an air duct device according to an embodiment of the present invention includes a rectangular frame formed by four beams 1 connected end to end; the adjacent cross beams 1 are connected through a first bolt structure 2; the top parts of the four corners of the rectangular frame are provided with first upper hanging pieces 3, and the bottom parts of the four corners of the rectangular frame are provided with first lower hanging pieces 4; a reinforcing beam 5 is arranged between the adjacent cross beams 1; the end of the reinforcement beam 5 is connected to the cross beam 1 by means of a second bolt arrangement 6.

The following describes the hoisting process of the air duct device with reference to fig. 5 and 6:

1. the hoisting tool is connected with a lifting hook of the hoisting equipment through a first lifting rope 9, and the number of the first lifting rope 9 is consistent with that of the first upper hangers 3. Specifically, the upper end of the first lifting rope 9 is connected with the lifting hook, the lower end of the first lifting rope 9 is connected with the corresponding first upper hanger 3, and the rectangular frame is ensured to be in a horizontal state; then the hoisting tool is hoisted to the position right above the air duct device through hoisting equipment.

2. After the hoisting tool is positioned right above the air duct device, the hoisting tool is connected with the air duct device through a second hoisting rope 10, and the number of the second hoisting rope 10 is consistent with that of the first lower hangers 4. Specifically, the upper end of the second lifting rope 10 is connected with the first lower hanger 4, and the lower end of the second lifting rope 10 is connected with a steel frame structure in the air duct device, so that the steel frame structure is ensured to be in a horizontal state, and the air duct device is prevented from being inclined; then the wind barrel device can be hoisted through the hoisting equipment.

The embodiment of the utility model provides an in, rectangular frame's size should be adjusted according to the size of dryer device to satisfy the hoist and mount demand of not unidimensional dryer device. When the size of the rectangular frame is adjusted, it is preferable to ensure that the second lifting rope 10 installed between the air duct device and the rectangular frame is in a vertical state after the second lifting rope 10 is tensioned. The first lifting rope 9 and the second lifting rope 10 should have sufficient strength to ensure the safety of lifting, and may be a steel wire rope or a chain, and the like, which is not limited specifically herein.

The utility model discloses dryer is lifting means for device, through setting up the rectangular frame who comprises four crossbeams 1, and set up first overhead hanger 3 in the top in rectangular frame four corners, just can form four hoisting points that are used for being connected with lifting hook of lifting device in rectangular frame's four corners, like this when be connected the back with rectangular frame and lifting device's lifting hook through first lifting rope 9, not only can prevent that rectangular frame from taking place the slope, and on the first lifting rope 9 of accessible will rise lifting force average assignment rectangular frame, make the whole atress of rectangular frame even, rectangular frame's stability has been guaranteed.

The first lower hanging pieces 4 are arranged at the bottoms of the four corners of the rectangular frame, so that four hanging points for connecting with a steel frame structure of the air duct device can be formed at the four corners of the rectangular frame, and after the rectangular frame is connected with the steel frame structure of the air duct device through the second hanging ropes 10, the second hanging ropes 10 can be prevented from directly contacting with the surface of the air duct, further, protective materials are prevented from being laid on the surface of the air duct, and the hanging cost is reduced; and the accessible second lifting rope 10 will rise on the power evenly distributed dryer device, make the whole atress of dryer device even, and then prevent that the dryer from taking place buckling deformation, realize the dryer device and steadily rise and fall the function of installation, improved the security of whole hoist and mount process.

Through set up stiffening beam 5 between adjacent crossbeam 1, improved rectangular frame's stability and reliability, through setting up first bolt construction 2 and second bolt construction 6, make this lifting device wholly dismantle, the equipment is convenient.

As a preferred embodiment, the bottom of each beam 1 is also provided with at least two second lower hangers 7. As shown in fig. 1 and 4, by arranging the second lower hanger 7, the number of lifting points for connecting with the steel frame structure is further increased, when lifting, the first lower hanger 4 is connected with the steel frame structure through the second lifting rope 10, and the second lower hanger 7 is connected with the steel frame structure through the third lifting rope 70, so that the lifting force can be evenly distributed to the air duct device to be lifted through the second lifting rope 10 and the third lifting rope 70, the pulling force borne by each lifting rope is reduced, the overall stress of the air duct device in the lifting process is more uniform, the functions of stable lifting and falling installation are realized, and the safety in the lifting process is further improved.

In a preferred embodiment, at least two second upper hangers 8 are further provided on the top of each of the cross members 1. As shown in fig. 1 and 4, the number of lifting points for connecting with a lifting hook is further increased by arranging the second upper hanger 8, when the lifting is performed, the first upper hanger 3 is connected with the lifting hook through the first lifting rope 9, and the second upper hanger 8 is connected with the lifting hook through the fourth lifting rope 80, so that the lifting force can be averagely distributed to the rectangular frame through the first lifting rope 9 and the fourth lifting rope 80, the pulling force borne by each lifting rope is reduced, the overall stress of the rectangular frame in the lifting process is more uniform, the functions of stable lifting and falling installation are realized, and the safety in the lifting process is further improved.

The beam 1 can be a round steel pipe, a square steel pipe, a channel steel and the like. As shown in fig. 1 to 4, the cross member 1 preferably includes an upper flange 11 horizontally disposed, a lower flange 12 disposed below the upper flange 11, and a web 13 fixed between the upper flange 11 and the lower flange 12. The web 13 may be connected to the upper flange plate 11 and the lower flange plate 12 by welding, or may be integrally formed. Preferably, the cross beam 1 is an I-shaped steel or an H-shaped steel. The reinforcing beam 5 may be a circular steel tube, a square steel tube, a channel steel, an angle steel, an i-steel, an H-steel, etc., and is not limited herein. Preferably, the reinforcing beam 5 comprises at least two fixedly connected angle steels, and the angle steels can be connected by welding or bolt connection.

In order to further improve the strength and rigidity of the cross beam 1, it is preferable that the cross beam 1 further includes at least two reinforcing ribs 14 fixed between the upper flange plate 11 and the lower flange plate 12 in the axial direction thereof. The reinforcing rib plate 14 is fixedly connected with the upper flange plate 11 and the lower flange plate 12 in a welding mode. Preferably, the second lower hanger 7 is arranged at a position right below the reinforcing rib plate 14, and the second upper hanger 8 is arranged at a position right above the reinforcing rib plate 14, so as to improve the stability and reliability of the hoisting tool.

The first upper hanger 3 may be a hook, a lifting ring or a lifting lug. In a preferred embodiment, the first upper hanger 3 includes a first upper fixing plate 31, and a first upper ear plate 32 welded to the first upper fixing plate 31; the first upper fixing plate 31 is fixedly connected with the upper flange plate 11 of the cross beam 1, and the first upper lifting lug plate 32 is provided with a first upper lifting lug hole 33.

As shown in fig. 1 and 2, the first upper hanger 3 includes a first upper fixing plate 31 and a first upper hanger plate 32 that are vertically arranged and welded together, and a first upper hanger hole 33 for connecting with the lower end of the first lifting rope 9 is formed in the second upper hanger plate 32. After the first upper hanger 3 is manufactured, the first upper fixing plate 31 and the upper flange plate 11 may be connected by welding or bolting.

The first lower hanger 4 may be a hook, a hanging ring or a lifting lug. In a preferred embodiment, the first lower hanger 4 includes a first lower fixing plate 41, and a first lower hanger plate 42 welded to the first lower fixing plate 41; the first lower fixing plate 41 is fixedly connected to the lower flange plate 12 of the cross beam 1, and the first lower lug plate 42 is provided with a first lower lug hole 43.

As shown in fig. 1 and 2, the first lower hanger 4 includes a first lower fixing plate 41 and a first lower lug plate 42 that are vertically arranged and welded to each other, and the first lower lug plate 42 is provided with a first lower lug hole 43 for connecting to an upper end of the second lifting rope 10. After the first lower hanger 4 is manufactured, the first lower fixing plate 41 and the lower flange plate 12 may be connected by welding or bolting.

The second lower hanger 7 may be a hook, a lifting ring, a lifting lug, or the like. As shown in fig. 1 and 4, the second lower hanger 7 preferably includes a second lower fixing plate and a second lower lug plate that are vertically arranged and welded to each other, and the second lower lug plate is provided with a second lower lug hole for connecting to an upper end of the third lifting rope 70. After the second lower hanger 7 is manufactured, the second lower fixing plate and the lower flange plate 12 can be connected by welding or bolt connection.

The second upper hanger 8 may be a hook, a lifting ring, a lifting lug, or the like. As shown in fig. 1 and 4, the second upper hanger 8 preferably includes a second upper fixing plate and a second upper hanger plate that are perpendicular to each other and welded together, and the second upper hanger plate is provided with a second upper hanger hole for connecting to a lower end of the fourth lifting rope 80. After the second upper hanger 8 is manufactured, the second upper fixing plate and the upper flange plate 11 can be connected by welding or bolt connection.

The first bolt structure 2 may only include bolts and nuts, when in connection, the end of one of the beams 1 extends to between the upper flange plate 11 and the lower flange plate 12 of the other beam 1, and a part of the bolts sequentially pass through the upper flange plates 11 of the two beams 1 and are in threaded connection with the nuts; the other part of the bolts sequentially penetrate through the lower flange plates 12 of the two cross beams 1 and are in threaded connection with nuts.

Fig. 2 shows an embodiment of the first bolt structure 2, and the first bolt structure 2 comprises a first connecting plate 21 welded to one of the ends of the cross beams 1, a first bolt 22 passing through the web 13 of the other cross beam 1 and the first connecting plate 21 in sequence, and a first nut 23 screwed to the end of the first bolt 22. Preferably, the number of the first bolts 22 in each first bolt structure 2 is four. When in connection, the first connecting plate 21 fixed at the end of one of the cross beams 1 is abutted against the web 13 of the other cross beam 1, then the first bolt 22 sequentially passes through the through hole on the web 13 of the other cross beam 1 and the through hole on the first connecting plate 21, the first nut 23 is screwed at the end of the first bolt 22, and then the first nut 23 is screwed, so as to realize the fixed connection between the two cross beams 1. Of course, the first bolt structure 2 may also be other structures, and is not limited in particular.

The second bolt structure 6 may only include a bolt and a nut, when the connection is made, the end of the reinforcement beam 5 abuts against the web 13 of the cross beam 1, and the bolt passes through the web 13 of the cross beam 1 and the reinforcement beam 5 in sequence and is screwed with the nut.

Fig. 3 shows an embodiment of the second bolt structure 6, wherein the second bolt structure 6 comprises a second connecting plate 61 welded to the web 13 of the beam 1, a second bolt 62 passing through the reinforcement beam 5 and the second connecting plate 61 in sequence, and a second nut 63 screwed to the end of the second bolt 62. Preferably, the number of the second bolts 62 in each second bolt structure 6 is four. When the reinforcing beam 5 and the cross beam 1 are connected, the second bolt 62 sequentially passes through the through hole in the reinforcing beam 5 and the through hole in the second connecting plate 61, the second nut 63 is screwed at the end of the second bolt 62, and then the second bolt 62 is screwed, so that the reinforcing beam 5 and the cross beam 1 are fixedly connected. Of course, the second bolt structure 6 may also be other structures, and is not limited in particular.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The hoisting tool for the air duct device is characterized by comprising a rectangular frame formed by connecting four cross beams (1) end to end; the adjacent cross beams (1) are connected through a first bolt structure (2); the top parts of the four corners of the rectangular frame are provided with first upper hanging pieces (3), and the bottom parts of the four corners of the rectangular frame are provided with first lower hanging pieces (4); a reinforcing beam (5) is arranged between the adjacent cross beams (1); the end part of the reinforcing beam (5) is connected with the cross beam (1) through a second bolt structure (6).

2. The lifting tool for the air duct device according to claim 1, wherein at least two second lower hangers (7) are further provided at the bottom of each cross member (1).

3. The hoist tool for the air duct device according to claim 2, wherein at least two second upper hangers (8) are further provided at the top of each cross member (1).

4. The lifting tool for the air duct device according to claim 1, 2 or 3, wherein the cross beam (1) comprises an upper flange plate (11) horizontally arranged, a lower flange plate (12) arranged below the upper flange plate (11), and a web (13) fixed between the upper flange plate (11) and the lower flange plate (12).

5. The hoisting tool for the air duct device according to claim 4, wherein the cross member (1) further comprises at least two reinforcing rib plates (14) fixed between the upper flange plate (11) and the lower flange plate (12) along the axial direction thereof.

6. The hoist tool for the air duct device according to claim 4, wherein the first upper hanger (3) includes a first upper fixing plate (31), and a first upper hanger plate (32) welded to the first upper fixing plate (31); the first upper fixing plate (31) is fixedly connected with an upper flange plate (11) of the cross beam (1), and a first upper lifting lug hole (33) is formed in the first upper lifting lug plate (32).

7. The hoist tool for the air duct device according to claim 4, wherein the first lower hanger (4) comprises a first lower fixing plate (41), and a first lower hanger plate (42) welded to the first lower fixing plate (41); the first lower fixing plate (41) is fixedly connected with the lower flange plate (12) of the cross beam (1), and the first lower lifting lug plate (42) is provided with a first lower lifting lug hole (43).

8. The hoist tool for the air duct device according to claim 4, wherein the first bolt structure (2) comprises a first connecting plate (21) welded to the end of one of the cross beams (1), a first bolt (22) passing through the web (13) of the other cross beam (1) and the first connecting plate (21) in sequence, and a first nut (23) screwed to the end of the first bolt (22).

9. The lifting tool for the air duct device according to claim 4, wherein the second bolt structure (6) comprises a second connecting plate (61) welded to the web (13) of the cross beam (1), a second bolt (62) passing through the reinforcing beam (5) and the second connecting plate (61) in sequence, and a second nut (63) screwed on the end of the second bolt (62).