CN217843056U - Movable flange for coal mine underground pipeline conveying system - Google Patents
Movable flange for coal mine underground pipeline conveying system Download PDFInfo
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- CN217843056U CN217843056U CN202221562888.4U CN202221562888U CN217843056U CN 217843056 U CN217843056 U CN 217843056U CN 202221562888 U CN202221562888 U CN 202221562888U CN 217843056 U CN217843056 U CN 217843056U
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- mounting lug
- conveying system
- pipeline conveying
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Abstract
The utility model relates to a colliery is loose flange for pipeline conveying system in pit belongs to colliery pipeline installation field down, including first flange body and second flange body, first flange body both ends are provided with first installation lug respectively, and second flange body both ends are equipped with the second installation lug that matches in first installation lug respectively, and a complete flange is assembled into to first flange body and second flange body, and the first installation lug of assorted and second installation lug pass through fixing device to be connected, and fixing device includes holding screw. The utility model discloses assemble into a complete flange with first flange body and second flange body, and be in the same place first flange body and second flange body fixed mounting through fixing device, easily install, solve current flange alive and can't change in the pit, lead to the flange that lives to maintain the technical problem that cycle length, work efficiency are low.
Description
Technical Field
The utility model relates to a colliery pipeline installation field down, concretely relates to colliery pipeline is loose flange for conveying system down.
Background
At present, because the working environment of the underground coal mine pipeline is severe, especially the flange at the pipeline connection part is often damaged, in order to prolong the service life of the flange, the connection of the underground coal mine pipeline usually adopts a loose flange, namely a movable flange, the movable flange is not welded with a pipe section or equipment and is usually used together with a welding ring, the movable flange is movably sleeved on the pipe section or the equipment, and the welding ring is welded on the pipe section or the equipment, so that the movable flange can freely move relative to the pipe section or the equipment, the underground alignment installation is convenient, and the underground installation efficiency is greatly improved.
But the operation environment is complicated in the pit, and the loose flange still often damages, because the electric welding operation in the pit has higher risk, for the needs of safety in the pit, often will damage the whole well that rises of flange place pipeline section after dismantling, transport to ground and carry out the loose flange and change, transport to installation in the pit after the maintenance is finished again. The maintenance period of the flange is long, the labor intensity of workers is high, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve among the prior art that the flange alive can't be changed in the pit, lead to the flange alive to maintain cycle length, work efficiency low, the utility model provides a can dismantle the colliery pipeline conveying system in pit that changes and use flange alive for overcome the defect that exists among the prior art.
In order to realize the purpose, the utility model discloses a specific scheme do: the utility model provides a colliery is loose flange for pipeline conveying system in pit, including first flange body and second flange body, first flange body both ends are provided with first installation lug respectively, second flange body both ends are provided with the second installation lug that matches in first installation lug respectively, a complete flange is assembled to first flange body and second flange body, assorted first installation lug and second installation lug are connected through fixing device, fixing device includes holding screw, be provided with the casing that can hold the second flange body on the first flange body, set up two first screw holes on the second installation lug that is located second flange body one end, set up a first through-hole on the second installation lug that is located the second flange body other end, set up two second through-holes that match in two first screw holes on the first installation lug that is located first flange body one end, set up the second screw hole that matches in first through-hole on the first installation lug that is located the first flange body other end, first screw hole and second screw hole all with holding screw phase-match, the internal diameter of first through-hole all is not less than the external diameter of holding screw.
As an optimized scheme of the movable flange for the coal mine underground pipeline conveying system, the thickness of the first flange body is the same as that of the second flange body, and the sum of the thickness of the first mounting lug and the thickness of the second mounting lug is the same as that of the second flange body.
As another optimization scheme of the movable flange for the coal mine underground pipeline conveying system, the thickness of the first mounting lug is half of that of the first flange body, and the thickness of the second mounting lug is half of that of the second flange body.
As another optimization scheme of the movable flange for the coal mine underground pipeline conveying system, the number of the fixing devices is three, and the three fixing devices connect the first flange body and the second flange body into a complete flange.
As another optimization scheme of the movable flange for the coal mine underground pipeline conveying system, the fixing device further comprises a fastening nut matched with the fastening screw.
Has the beneficial effects that:
1. colliery pipeline conveying system in pit is with loose flange, through first flange body and the second flange body that will live the flange split and become easily to assemble, when the flange that lives damages, through tearing fixing device down, then will live the flange and fall into first flange body and second flange body, directly remove from the pipeline, need not to carry out the cutting in the pit, then will change the first flange body of flange and the direct suit of second flange body on having the pipeline that welds the ring, acquire new loose flange with first flange body and second flange body fixed mounting together through fixing device, fasten the loose flange that corresponds again, accomplish the change and the installation of loose flange in the pit, reduce workman's intensity of labour, improve work efficiency.
2. Colliery is loose flange for pipeline conveying system in pit, when the transport condition, second flange body suit is on first flange body this internally or second flange body stack, and fixing device is fixed through at both ends, can prevent in the transportation that spare part from losing or scattering.
3. Colliery is loose flange for pipeline conveying system in pit, first installation lug be half of first flange body thickness and with first flange body integrated into one piece, the thickness of second installation lug be half of second flange body and with second flange body integrated into one piece, the thickness of first flange body and second flange body is the same in addition, through above structure, can be convenient for the matching installation of first flange body and second flange body, improves the installation effectiveness.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of an installation state of the present invention;
FIG. 3 is a cross-sectional view of the set screw connection of FIG. 2 in a shipping state;
FIG. 4 is a cross-sectional view of the set screw attachment installation of FIG. 2;
fig. 5 is a schematic structural view of another transportation state of the present invention;
FIG. 6 is a cross-sectional view of the set screw of FIG. 5 in an installed state;
FIG. 7 is a cross-sectional view of the set screw attachment installation of FIG. 5;
in the figure: 1. the flange comprises a first flange body, 101, a first installation lug, 102, a second through hole, 103, a second threaded hole, 105, a shell, 2, a second flange body, 201, a second installation lug, 202, a first threaded hole, 203, a first through hole, 3, a fixing device, 301 and a set screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 2, 3, 4, 6, 7, a live flange for a coal mine underground pipeline conveying system comprises a first flange body 1 and a second flange body 2, the first flange body 1 and the second flange body 2 are equally divided into arc-shaped plate structures with the same thickness, flange holes are equally divided into the first flange body 1 and the second flange body 2, a shell 105 is further arranged on the first flange body 1, the second flange body 2 is sleeved in the shell 105, first mounting convex blocks 101 are respectively arranged at two ends of the first flange body 1, second mounting convex blocks 201 are respectively arranged at two ends of the second flange body 2, the first mounting convex blocks 101 and the second mounting convex blocks 201 are the same in thickness and are half of the thickness of the first flange body 1, when the first flange body 1 and the second flange body 2 are horizontally placed on the ground, the two first mounting convex blocks 101 are respectively located at the upper parts of the two ends of the first flange body 1, the second mounting convex blocks 201 are respectively located at the lower parts of the two ends of the second flange body 2, and the first mounting convex blocks 101 are matched with the second flange body 201 in shape. First flange body 1 and second flange body 2 make up into complete flange promptly, the installation and the change of the flange of being convenient for of above structure.
The movable flange for the coal mine underground pipeline conveying system is composed of a first flange body 1 and a second flange body 2, in order to facilitate installation, the first flange body 1 and the second flange body 2 are firstly sleeved on a pipeline, the first threaded hole 202 and the second through hole 102 are installed when being located below the pipeline, the set screws 301 located at the outer diameters of the end faces of the first flange body 1 and the second flange body 2 are preliminarily positioned, then the set screws 301 located at the smaller outer diameters of the end faces of the first flange body 1 and the second flange body 2 are pre-tightened synchronously, then the movable flange for the coal mine underground pipeline conveying system after pre-tightening is rotated, the connecting end of the pre-tightened first flange body 1 and the pre-tightened second flange body 2 is located above the pipeline, the second threaded hole 103 and the first through hole 203 are fastened at the bottom end of the pipeline, the first installation lug 101 is directly connected with the second installation lug 201 through the set screws 301, the number of the set screws 301 is three, and efficient installation of the first flange body 1 and the second flange body 2 is facilitated.
Example 2
This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 5 and 6, the number of the first mounting protrusions 101 is two, when the first flange body 1 is horizontally placed on the ground, one of the first mounting protrusions 101 is located on the upper portion of one end of the first flange body 1, the other first mounting protrusion 101 is located on the lower portion of the other end of the first flange body 1, and the number of the second mounting protrusions 201 matched therewith is also two, and the two second mounting protrusions 201 are located on the lower portion of one end of the second flange body 2 and the upper portion of one end of the second flange body 2, respectively.
Example 3
The present embodiment is an improved scheme based on embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is: as shown in fig. 7, the first mounting protrusion 101 is fixedly connected to the second mounting protrusion 201 through the set screws 301 and the set nuts 302, wherein the number of the set screws 301 is three, the set screws 301 and the set nuts 302 are adopted for fixing, the transportation to a predetermined position is facilitated, the disassembly is facilitated for workers in the underground, and if the first flange body 1 and the second flange body 2 are heavier, the stability of the first flange body 1 and the second flange body 2 in the transportation can be ensured by increasing the number of the set nuts 302.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a colliery is loose flange for pipeline conveying system in pit which characterized in that: comprises a first flange body (1) and a second flange body (2), wherein two ends of the first flange body (1) are respectively provided with a first mounting lug (101), two ends of the second flange body (2) are respectively provided with a second mounting lug (201) matched with the first mounting lug (101), the first flange body (1) and the second flange body (2) are assembled into a complete flange, the matched first mounting lug (101) and the second mounting lug (201) are connected through a fixing device (3), the fixing device (3) comprises a set screw (301), a shell (105) capable of containing the second flange body (2) is arranged on the first flange body (1), two first threaded holes (202) are arranged on the second mounting lug (201) positioned at one end of the second flange body (2), a first through hole (203) is arranged on the second mounting lug (201) positioned at the other end of the second flange body (2), two through holes (103) matched with the two first threaded holes (202) are arranged on the first mounting lug (101) positioned at one end of the first flange body (1), two through holes (203) are arranged on the second mounting lug (201) positioned on the second mounting lug (103), the other end of the second flange body (2), two through holes (103) are respectively positioned on the first through holes (103) matched with the first through holes (102), the first through holes (103) and the second through holes (103) positioned on the second mounting lug (103), the inner diameter of the first through hole (203) and the inner diameter of the second through hole (102) are not smaller than the outer diameter of the set screw (301).
2. The loose flange for the coal mine underground pipeline conveying system according to claim 1, wherein: the thickness of the first flange body (1) is the same as that of the second flange body (2), and the sum of the thicknesses of the first mounting lug (101) and the second mounting lug (201) is the same as that of the second flange body (2).
3. The loose flange for the coal mine underground pipeline conveying system according to claim 1, wherein: the thickness of the first mounting lug (101) is half of that of the first flange body (1), and the thickness of the second mounting lug (201) is half of that of the second flange body (2).
4. The loose flange for the coal mine underground pipeline conveying system according to claim 1, wherein: the number of the fixing devices (3) is three, and the three fixing devices (3) connect the first flange body (1) and the second flange body (2) into a complete flange.
5. The loose flange for the coal mine underground pipeline conveying system according to claim 1, wherein: the fixing device (3) further comprises a set nut matched with the set screw (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221562888.4U CN217843056U (en) | 2022-06-21 | 2022-06-21 | Movable flange for coal mine underground pipeline conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221562888.4U CN217843056U (en) | 2022-06-21 | 2022-06-21 | Movable flange for coal mine underground pipeline conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217843056U true CN217843056U (en) | 2022-11-18 |
Family
ID=84026694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221562888.4U Active CN217843056U (en) | 2022-06-21 | 2022-06-21 | Movable flange for coal mine underground pipeline conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217843056U (en) |
-
2022
- 2022-06-21 CN CN202221562888.4U patent/CN217843056U/en active Active
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