CN213202093U

CN213202093U - Hoop for air duct

Info

Publication number: CN213202093U
Application number: CN202022119142.3U
Authority: CN
Inventors: 杨悦
Original assignee: Baoding Xianqi Electric Power Equipment Technology Co ltd
Current assignee: Baoding Xianqi Electric Power Equipment Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-14
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a staple bolt for air duct, two staple bolt bodies, upper junction plate and lower connecting plate that set up including the symmetry, the last lower extreme opening part of staple bolt body respectively with upper junction plate, lower connecting plate fixed connection are in the same place, two staple bolt body concatenation forms a ring, two be provided with the hoist and mount board between the upper junction plate, the hoist and mount board is by two after compressing tightly the upper junction plate through first connecting bolt run through the back through the nut location of screwing, two after the connecting plate compresses tightly each other down through second connecting bolt runs through the back through the nut location of screwing. The utility model discloses think about ingenious, compact structure is reasonable, and installation convenient to use is swift, chooses for use corresponding structure according to the actual work position, accomplishes the hoist and mount of air duct smoothly, shifts, adjusts operation such as concatenation well.

Description

Hoop for air duct

Technical Field

The utility model relates to a staple bolt technical field especially relates to a staple bolt for air duct.

Background

The high and medium pressure air ducts need to be replaced and installed during overhaul of the nuclear power station, the diameter of the air duct is large, the air duct is high above the ground, and the air duct needs to be hoisted by using a special hoisting tool for the air duct. Therefore, how to develop and design a special lifting hoop for the air duct is convenient for the installation and adjustment of the air duct becomes a technical problem to be solved urgently in the field of technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a staple bolt for air duct solves the nuclear power station and changes the inconvenient problem of installation with the air duct.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a staple bolt for air duct, two staple bolt bodies, upper junction plate and lower connecting plate that set up including the symmetry, the last lower extreme opening part of staple bolt body respectively with upper junction plate, lower connecting plate fixed connection are in the same place, two staple bolt body concatenation forms a ring, two be provided with the hoist and mount board between the upper junction plate, the hoist and mount board is by two the upper junction plate compresses tightly the back and screws the location through the nut through first connecting bolt after running through, two the connecting plate screws the location through the nut after compressing tightly each other through second connecting bolt down.

Furthermore, the top of the hoisting plate is provided with a hoisting hole.

Still further, be provided with the reinforcing plate on the top outer peripheral face of staple bolt body, the arc limit welded connection of reinforcing plate is in the both sides of staple bolt body width, the vertical limit of reinforcing plate with welded connection is in the same place after the lateral surface of upper junction plate aligns.

Still further, the first connecting bolt and the second connecting bolt are provided with a plurality of bolts.

Still further, the middle upper portion of staple bolt body is provided with the adjustment lug, be provided with the adjustment hole for hoist on the adjustment lug.

Still further, the adjustment lifting lug is welded and connected on the outer circumferential surface of the hoop body and arranged in the middle.

The hoop body is of a split structure and comprises a first body component and a second body component, the first body component and the second body component are symmetrically arranged front and back to form an upper semicircular ring, the second body component and the second body component are symmetrically arranged front and back to form a lower semicircular ring, and the upper semicircular ring and the lower semicircular ring are connected together through a middle connecting plate to form a complete annular hoop; the top of the first body assembly is provided with an upper L-shaped connecting plate, the two upper L-shaped connecting plates are tightly pressed on the hoisting plate and then penetrate through a first connecting bolt and are screwed and positioned through a nut, the bottom of the second body assembly is provided with a lower L-shaped connecting plate, and the two lower L-shaped connecting plates are tightly pressed on each other and then penetrate through a second connecting bolt and are screwed and positioned through a nut.

Still further, go up L shape connecting plate welded connection and be in on the body subassembly one and arrange between two parties, lower L shape connecting plate welded connection is in on the body subassembly two and arrange between two parties.

Still further, body subassembly one, body subassembly two all design for annular semicircle board, two the slope is arranged when body subassembly one, two body subassembly two are spliced, body subassembly one, body subassembly two are 3.8 degrees with the contained angle of vertical direction.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a staple bolt for air duct, including two staple bolt bodies, upper junction plate, lower junction plate and the hoist and mount board that the symmetry set up, weld upper junction plate, lower junction plate on two staple bolt bodies, the two symmetrical arrangement links together through bolt and nut assembly, the hoist and mount board presss from both sides the fastening and fixes in the middle of two upper junction plates at the top; when the device is used, the air guide pipe is embraced by the two semicircular hoop bodies, then the two semicircular hoop bodies are penetrated through by the first connecting bolt and the second connecting bolt and then locked by the nuts, the hoisting holes are formed in the hoisting plate, and the air guide pipe is hoisted through the hoisting holes, so that the device is convenient and rapid to install and use; after the air duct is hoisted to the butting position, the air duct deflects left and right unevenly to cause the connection holes of the interface flange to be dislocated, at the moment, the hoop body connected with the adjusting lifting lugs is adopted, the traction ropes are hung on the left and right adjusting lifting lugs to pull the air duct, the air duct is guided to rotate left and right, the connection holes are aligned, and the smooth installation is ensured; in addition, according to the different characteristics of the inside and outside radius of curvature of air duct return bend department, can adopt the staple bolt body of components of a whole that can function independently structure, this staple bolt body adopts four bibliographic categories to assemble, about will earlier about two body subassemblies one, two body subassemblies are respectively with intermediate junction board, connecting bolt symmetry is assembled in air duct elbow department during the use, will control about two tops and bottom run through and through nut locking with connecting bolt again, an elbow staple bolt is just assembled the completion this moment, hoist and mount the operation through the air duct of the last hoist and mount board of elbow staple bolt to turning department. The utility model discloses think about ingenious, compact structure is reasonable, and installation convenient to use is swift, chooses for use corresponding structure according to the actual work position, accomplishes the hoist and mount of air duct smoothly, shifts, adjusts operation such as concatenation well.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a front view of the hoop for air duct of the present invention;

FIG. 2 is a top view of the hoop for air duct of the present invention;

FIG. 3 is a side view of the hoop for air guide tube of the present invention;

FIG. 4 is a front view of the second embodiment of the present invention;

FIG. 5 is a side view of an embodiment of the present invention;

FIG. 6 is a front view of the embodiment of the present invention;

fig. 7 is a three-side view of an embodiment of the present invention;

description of reference numerals: 1. the hoop body; 2. an upper connecting plate; 3. hoisting the plate; 301. hoisting holes; 4. a first connecting bolt; 5. a reinforcing plate; 6. a lower connecting plate; 7. a second connecting bolt; 8. adjusting the lifting lug; 801. Adjusting the hoisting hole; 9. an intermediate connection plate; 10. an upper L-shaped connecting plate; 11. a lower L-shaped connecting plate; 101. a first body component; 102. and a second body component.

Detailed Description

The utility model provides an air duct is with staple bolt, designs according to air duct diameter and installation position of using, divide into several kinds of common big staple bolt, little staple bolt, elbow staple bolt and leveling staple bolt.

The first embodiment is as follows:

as shown in fig. 1-3, the hoop for the airway tube comprises two specifications, namely a large hoop and a small hoop, which are commonly used, wherein the large hoop and the small hoop are installed on a straight-line section part of the airway tube according to the diameter of the airway tube, the inner diameter of the common large hoop is 1422mm, the inner diameter of the small hoop is 1321mm, the width of the hoop body 1 is 500mm, and the thickness of a plate is 40 mm; this staple bolt is including two staple bolt bodies 1, upper junction plate 2 and lower connecting plate 6 that the symmetry set up, the upper and lower end opening part of staple bolt body 1 respectively with upper junction plate 2, lower connecting plate 6 fixed connection together, two 1 concatenation of staple bolt body forms a ring, two be provided with hoist and mount board 3 between the upper junction plate 2, hoist and mount board 3 by two after compressing tightly upper junction plate 2 runs through the back through first connecting bolt 4 and screws the location through the nut, two after compressing tightly each other lower connecting plate 6 runs through the back through second connecting bolt 7 and screws the location through the nut. Specifically, the top of the hoisting plate 3 is provided with a hoisting hole 301, and the diameter of the hoisting hole 301 is phi 40.

Be provided with reinforcing plate 5 on the top outer peripheral face of staple bolt body 1, the arc limit welded connection of reinforcing plate 5 be in the both sides of staple bolt body 1 width, the vertical limit of reinforcing plate 5 with welded connection is in the same place after the lateral surface of upper junction plate 2 aligns to improve the intensity that the top is connected.

First connecting bolt 4, second connecting bolt 7 all are provided with a plurality ofly, are two at least, have adopted three first connecting bolt 4, second connecting bolt 7 in this embodiment, and connecting bolt's centre bore is located same straight line.

Example two:

as shown in fig. 4 and 5, for leveling the hoop, the main structure of the hoop is the same as that of the first embodiment, in addition, an adjusting lug 8 is arranged at the middle upper portion of the hoop body 1, an adjusting lifting hole 801 is arranged on the adjusting lug 8, and specifically, the adjusting lug 8 is welded and connected to the outer circumferential surface of the hoop body 1 and arranged in the middle. The leveling hoop is used for enabling the air guide pipe to deflect left and right unevenly after the air guide pipe is hoisted to a butting position, so that the interface flange connecting holes are staggered, the air guide pipe can be dragged by hanging the traction ropes through the left and right adjusting lifting lugs 8 of the leveling hoop, the air guide pipe is guided to rotate left and right, the connecting holes are aligned, and smooth installation is guaranteed.

Example three:

as shown in fig. 6 and 7, the hoop body 1 is a split structure, and comprises a first body component 101 and a second body component 102, wherein the first body component 101 and the second body component 102 are symmetrically arranged in the front-back direction to form an upper semicircular ring, the second body component 102 is symmetrically arranged in the front-back direction to form a lower semicircular ring, and the upper semicircular ring and the lower semicircular ring are connected together through a middle connecting plate 9 to form a complete annular hoop; the top of the first body assembly 101 is provided with an upper L-shaped connecting plate 10, the two upper L-shaped connecting plates 10 penetrate through the hoisting plate 3 after being pressed tightly, and are screwed and positioned through nuts, the bottom of the second body assembly 102 is provided with a lower L-shaped connecting plate 11, and the two lower L-shaped connecting plates 11 penetrate through the second connecting bolt 7 after being pressed tightly, and are screwed and positioned through nuts. The inner diameters of the first body assembly 101 and the second body assembly 102 are matched with the specification of the air duct elbow, the width of the first body assembly is made of 100mm arc-shaped plates, and the thickness of the first body assembly is 20-30 mm.

Specifically, the upper L-shaped connecting plate 10 is welded to the first body assembly 101 and arranged in the center, and the lower L-shaped connecting plate 11 is welded to the second body assembly 102 and arranged in the center. The first body assembly 101 and the second body assembly 102 are both designed to be annular semicircular plates, the first body assembly 101 and the second body assembly 102 are obliquely arranged during splicing, and included angles between the first body assembly 101 and the second body assembly 102 and the vertical direction are 3.8 degrees.

The elbow hoop is assembled by four parts according to the characteristic that the inner and outer bending radii at the elbow of the air duct are different; when the device is used, the left body assembly I101 and the right body assembly II 102 are symmetrically assembled into circular rings at the elbow of the air duct by the intermediate connecting plate 9, the left circular ring and the right circular ring are closed by the first connecting bolt 4 and the second connecting bolt 7, the assembly of the elbow hoop is completed at the moment, and the air duct at the turning part is hoisted by the hoisting plate above the elbow hoop.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a staple bolt for air duct which characterized in that: two staple bolt bodies (1), upper junction plate (2) and lower connecting plate (6) that set up including the symmetry, the upper and lower end opening part of staple bolt body (1) respectively with upper junction plate (2), lower connecting plate (6) fixed connection are in the same place, two staple bolt body (1) concatenation forms a ring, two be provided with hoist and mount board (3) between upper junction plate (2), hoist and mount board (3) are by two after upper junction plate (2) compress tightly through first connecting bolt (4) run through the back through the nut location of screwing, two after compressing tightly each other lower connecting plate (6) are passed through second connecting bolt (7) and are screwed the location through the nut.

2. The hoop for the airway tube as claimed in claim 1, wherein: and the top of the hoisting plate (3) is provided with a hoisting hole (301).

3. The hoop for the airway tube as claimed in claim 1, wherein: be provided with reinforcing plate (5) on the top outer peripheral face of staple bolt body (1), the arc limit welded connection of reinforcing plate (5) is in the both sides of staple bolt body (1) width, the vertical limit of reinforcing plate (5) with welded connection is in the same place after the lateral surface of upper junction plate (2) aligns.

4. The hoop for the airway tube as claimed in claim 1, wherein: the first connecting bolt (4) and the second connecting bolt (7) are provided with a plurality of bolts.

5. The hoop for the airway tube as claimed in claim 1, wherein: the middle upper part of the hoop body (1) is provided with an adjusting lifting lug (8), and the adjusting lifting lug (8) is provided with an adjusting lifting hole (801).

6. The hoop for the airway tube as claimed in claim 5, wherein: the adjusting lifting lugs (8) are connected to the outer circumferential surface of the hoop body (1) in a welded mode and are arranged in the middle.

7. The hoop for the airway tube as claimed in claim 1, wherein: the hoop body (1) is of a split structure and comprises a first body assembly (101) and a second body assembly (102), the two first body assemblies (101) are symmetrically arranged front and back to form an upper semicircular ring, the two second body assemblies (102) are symmetrically arranged front and back to form a lower semicircular ring, and the upper semicircular ring and the lower semicircular ring are connected together through a middle connecting plate (9) to form a complete annular hoop; the top of the body assembly I (101) is provided with an upper L-shaped connecting plate (10), the two upper L-shaped connecting plates (10) compress the hoisting plate (3) and then penetrate through the hoisting plate through a first connecting bolt (4) and are screwed and positioned through a nut, the bottom of the body assembly II (102) is provided with a lower L-shaped connecting plate (11), and the two lower L-shaped connecting plates (11) are mutually compressed and then penetrate through a second connecting bolt (7) and are screwed and positioned through a nut.

8. The hoop for the airway tube as claimed in claim 7, wherein: the upper L-shaped connecting plate (10) is connected to the first body assembly (101) in a welded mode and arranged in the center, and the lower L-shaped connecting plate (11) is connected to the second body assembly (102) in a welded mode and arranged in the center.

9. The hoop for the airway tube as claimed in claim 7, wherein: the body assembly I (101) and the body assembly II (102) are both designed to be annular semicircular plates, the body assembly I (101) and the body assembly II (102) are obliquely arranged during splicing, and included angles between the body assembly I (101) and the body assembly II (102) and the vertical direction are 3.8 degrees.