CN211040022U

CN211040022U - Flange insulation assembly with fault alarm function

Info

Publication number: CN211040022U
Application number: CN201922278054.5U
Authority: CN
Inventors: 黄昌军; 徐东云; 金黄; 赖忠明
Original assignee: Chengdu Sanwei Technology Co ltd
Current assignee: Chengdu Sanwei Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-17
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a flange insulation subassembly with malfunction alerting function, including first gas steel pipe and second gas steel pipe, a set of first flange of fixedly connected with and second flange respectively of first gas steel pipe surface downside and second gas steel pipe surface upside, the insulating locking mechanism of a plurality of groups of fixedly connected with in the first flange upper end outside, and the equal fixed mounting in the insulating locking mechanism outside of every group has a set of alarm mechanism. A flange insulation subassembly with malfunction alerting function, through setting up insulating locking mechanism, prevent electrically conductive between locking bolt and the flange, be in the same place first flange and second flange fixed connection simultaneously, through setting up alarm mechanism, electrically conductive metal gasket respectively with electric potential indicator electric connection, when two companion flange switch on, the pilot lamp is bright, reminds the producer to change insulating pad or further inspection.

Description

Flange insulation assembly with fault alarm function

Technical Field

The utility model relates to a natural gas conveying equipment field, in particular to flange insulation assembly with malfunction alerting function.

Background

The fuel gas energy source is an indispensable part in daily life, and is particularly indispensable in modern cities, in the laying of fuel gas pipelines, the most popular method for protecting the cathode in the fuel gas pipelines is adopted, the method for protecting the cathode in the fuel gas pipelines is the most common method for protecting the fuel gas pipelines at present, the method is mainly a protection measure aiming at the underground fuel gas pipelines, and the anode area and the cathode area appear on the surface of the metal pipelines buried in the soil due to various reasons, and the local corrosion occurs in the anode area. The cathodic protection is to use an external means to force the protected metal surface in the electrolyte to be a cathode so as to achieve the purpose of inhibiting corrosion. When cathodic protection is used, the protected metal pipeline should have a good anticorrosive insulating layer to reduce cathodic protection cost, the cathodic protection technology can be divided into two protection methods of a sacrificial anode method and a forced current method according to the supply mode of protection current, and the sacrificial anode method has the main advantages that: the method has the advantages of no need of an external power supply, less interference to the outside, low installation and maintenance cost, no need of land acquisition or occupation of other building structures, high protection current utilization rate and the like, so the method is particularly suitable for corrosion of the buried steel pipes in the urban range, and a sacrificial anode method is suitable for the cathodic protection of the corrosion prevention of the buried gas pipelines in the urban area.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a flange insulation assembly with malfunction alerting function can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flange insulation assembly with malfunction alerting function, includes first gas steel pipe and second gas steel pipe, a set of first flange and the second flange of fixedly connected with respectively of first gas steel pipe surface downside and second gas steel pipe surface upside, be provided with insulating flange pad between first flange and the second flange, and insulating flange pad joints the kneck at first gas steel pipe and second gas steel pipe, the insulating locking mechanism of a plurality of groups of insulating locking mechanism of first connecting flange upper end outside fixedly connected with, and the equal fixed mounting in the insulating locking mechanism outside of every group has a set of alarm mechanism, insulating locking mechanism outside is provided with the locking bolt.

Preferably, insulating locking mechanism includes the locking bolt, the locking bolt surface has cup jointed a set of insulating cover, insulating cover surface has cup jointed two sets of F4 gaskets, insulating cover surface has cup jointed the rebound of preventing and has filled up, and prevents that the rebound fills up and be located the right side of F4 gasket, insulating locking mechanism passes through the locking bolt and is in the same place first flange and second flange fixed connection.

Preferably, alarm mechanism includes potential indicator and wiring shell, two sets of wiring lugs of wiring shell outside middle part fixedly connected with, a set of conductive metal gasket has all been cup jointed to the locking bolt left and right sides, the wiring lug pass through the wire respectively with potential indicator and conductive metal gasket electric connection, alarm mechanism passes through the wiring shell and is in the same place with first flange and second flange fixed connection.

Preferably, the upper part of the outer surface of the first gas steel pipe and the lower part of the outer surface of the second gas steel pipe are fixedly connected with two groups of protective shells together, and a group of sealing elastic gaskets are fixedly connected at the interface between the two groups of protective shells.

Preferably, the upper end of the insulating flange pad is fixedly connected with an anti-corrosion layer, and the thickness of the insulating flange pad is 3 mm.

Preferably, the rear ends of the F4 gaskets are all 3mm, the wall thickness of the insulating sleeve is 0.75mm, and the left side and the right side of the outer surface of the insulating sleeve are respectively sleeved with a group of F4 gaskets.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up insulating locking mechanism, be provided with locking bolt, insulating cover, F4 gasket and anti-rebound pad in insulating locking mechanism, have insulating cover at the locking bolt overcoat, set up F4 gasket between first flange and second flange, prevent to be electrically conductive between locking bolt and the flange, be in the same place first flange and second flange fixed connection simultaneously.

2. Through setting up alarm mechanism, be provided with current potential indicator, conductive metal gasket, wiring shell and wiring lug in alarm mechanism, set up conductive metal gasket at the locking bolt both ends, conductive metal gasket respectively with current potential indicator electric connection, when two companion flange switched on, the pilot lamp was bright, reminds the producer to change insulating pad or further inspection.

Drawings

Fig. 1 is a schematic view of an overall structure of a flange insulation assembly with a fault alarm function according to the present invention;

fig. 2 is a schematic connection diagram of an insulation locking mechanism of a flange insulation assembly with a fault alarm function according to the present invention;

fig. 3 is a front view of a flange insulation assembly with a malfunction alerting function according to the present invention;

fig. 4 is the utility model relates to a flange insulation assembly's warning mechanism's connection schematic with malfunction alerting function.

In the figure: 1. a first gas steel pipe; 2. a second gas steel pipe; 3. a first connecting flange; 4. a second connecting flange; 5. an insulating flange pad; 51. an anti-corrosion layer; 6. an insulating locking mechanism; 61. locking the bolt; 62. an insulating sleeve; 63. f4 gaskets; 64. an anti-rebound pad; 7. an alarm mechanism; 71. a potential indicator light; 72. a conductive metal pad; 73. a wiring housing; 74. a wire lug; 8. a protective housing; 81. and sealing the elastic pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a flange insulation assembly with a fault alarm function comprises a first gas steel pipe 1 and a second gas steel pipe 2, wherein a group of first connecting flanges 3 and a group of second connecting flanges 4 are fixedly connected to the lower side of the outer surface of the first gas steel pipe 1 and the upper side of the outer surface of the second gas steel pipe 2 respectively, an insulation flange pad 5 is arranged between the first connecting flanges 3 and the second connecting flanges 4, the insulation flange pad 5 is sleeved at the joint of the first gas steel pipe 1 and the second gas steel pipe 2, a plurality of groups of insulation locking mechanisms 6 are fixedly connected to the outer side of the upper end of the first connecting flanges 3, a group of alarm mechanisms 7 are fixedly mounted to the outer side of each group of insulation locking mechanisms 6, and locking bolts 61 are arranged outside the insulation locking mechanisms 6.

The insulating locking mechanism 6 comprises a locking bolt 61, a group of insulating sleeves 62 are sleeved on the outer surface of the locking bolt 61, two groups of F4 gaskets 63 are sleeved on the outer surface of the insulating sleeves 62, a rebound prevention gasket 64 is sleeved on the outer surface of the insulating sleeves 62, the rebound prevention gasket 64 is positioned on the right side of the F4 gasket 63, the first connecting flange 3 and the second connecting flange 4 are fixedly connected together through the locking bolt 61 by the insulating locking mechanism 6, the first connecting flange 3 and the second connecting flange 4 are conveniently and fixedly connected together, and the first connecting flange 3 and the second connecting flange 4 are prevented from being conductive due to the locking bolt 61; the alarm mechanism 7 comprises a potential indicator lamp 71 and a wiring shell 73, two groups of wiring lugs 74 are fixedly connected to the middle of the outer side of the wiring shell 73, a group of conductive metal gaskets 72 are sleeved on the left side and the right side of the locking bolt 61, the wiring lugs 74 are electrically connected with the potential indicator lamp 71 and the conductive metal gaskets 72 through wires respectively, the alarm mechanism 7 is fixedly connected with the first connecting flange 3 and the second connecting flange 4 through the wiring shell 73, and when the two mating flanges are conducted, the indicator lamp is on to remind a manufacturer to replace an insulating pad or to perform further inspection; the upper part of the outer surface of the first gas steel pipe 1 and the lower part of the outer surface of the second gas steel pipe 2 are fixedly connected with two groups of protective shells 8 together, and a group of sealing elastic cushions 81 are fixedly connected at the interface between the two groups of protective shells 8, so that the connecting flange is prevented from being exposed to the sun and rain; the upper end of the insulating flange pad 5 is fixedly connected with an anti-corrosion layer 51, and the thickness of the insulating flange pad 5 is 3mm, so that the insulating effect between the connecting flanges is ensured; the rear ends of the F4 gaskets 63 are all 3mm, the wall thickness of the insulating sleeve 62 is 0.75mm, and the left side and the right side of the outer surface of the insulating sleeve 62 are respectively sleeved with a group of F4 gaskets 63, so that the locking bolt 61 and the flange are prevented from being conducted due to installation offset of the matched connecting flange.

It should be noted that, the utility model relates to a flange insulation subassembly with malfunction alerting function, at first, change the seal gasket between former flange, the generally supporting seal gasket material of former flange is XB350 asbestos pad, this pad life is short, insulating effect is poor, we will replace with the F4 sealed pad of my company's purpose-made prescription, simultaneously for guaranteeing insulating effect, we thicken insulating flange pad 5's thickness from 2mm to 3mm, secondly, for avoiding two companion flanges to switch on through locking bolt 61, we will add F4 gasket 63 between nut (bolt hexagon head) and flange, its thickness is 3mm, simultaneously for preventing locking bolt 61 and flange from making companion flange switch on because of the installation skew, we will add an insulating cover 62 on locking bolt 61 outer wall, this cover is because of the installation is restricted, so insulating cover 62's wall thickness is only 0.75mm thick, therefore insulating cover 62's material we choose the more excellent material of insulating properties for the insulating between ensureining companion flanges The alarm mechanism 7 is arranged, the conductive metal gasket 72 is added between the two connecting flange locking bolts 61, the outgoing line is welded on the conductive metal gasket 72, then the line is connected into the potential indicator lamp 71, and when the two paired connecting flanges are conducted, the bulb of the potential indicator lamp 71 emits light to remind a manufacturer of replacing an insulating pad or further checking.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flange insulation assembly with malfunction alerting function, includes first gas steel pipe (1) and second gas steel pipe (2), its characterized in that: the gas pipe comprises a first gas steel pipe body (1), a second gas steel pipe body (2), an insulating flange pad (5), a plurality of groups of insulating locking mechanisms (6), a set of alarm mechanisms (7) and locking bolts (61) are fixedly mounted on the outer side of each group of insulating locking mechanisms (6), wherein the lower side of the outer surface of the first gas steel pipe body (1) and the upper side of the outer surface of the second gas steel pipe body (2) are fixedly connected with a set of first connecting flange (3) and a set of second connecting flange (4), the insulating flange pad (5) is sleeved on the joint of the first gas steel pipe body (1) and the second gas steel pipe body (2), the outer side of the first connecting flange (3) is fixedly connected with a plurality of groups of insulating locking mechanisms (6), and each group of insulating locking.

2. A flange insulating assembly with a malfunction alerting function according to claim 1, wherein: insulating locking mechanism (6) are including locking bolt (61), locking bolt (61) surface has cup jointed a set of insulating cover (62), insulating cover (62) surface has cup jointed two sets of F4 gaskets (63), insulating cover (62) surface has cup jointed and has prevented rebound pad (64), and prevents rebound pad (64) and be located the right side of F4 gasket (63), insulating locking mechanism (6) are in the same place first flange (3) and second flange (4) fixed connection through locking bolt (61).

3. A flange insulating assembly with a malfunction alerting function according to claim 1, wherein: alarm mechanism (7) include potential indicator (71) and connection shell (73), two sets of wiring ears (74) of connection shell (73) outside middle part fixedly connected with, a set of electrically conductive metal gasket (72) have all been cup jointed to locking bolt (61) left and right sides, wiring ear (74) pass through the wire respectively with potential indicator (71) and electrically conductive metal gasket (72) electric connection, alarm mechanism (7) are in the same place through connection shell (73) and first flange (3) and second flange (4) fixed connection.

4. A flange insulating assembly with a malfunction alerting function according to claim 1, wherein: the joint sealing device is characterized in that the upper part of the outer surface of the first gas steel pipe (1) and the lower part of the outer surface of the second gas steel pipe (2) are fixedly connected with two groups of protective shells (8) together, and a group of sealing elastic cushions (81) are fixedly connected with the joints between the two groups of protective shells (8).

5. A flange insulating assembly with a malfunction alerting function according to claim 1, wherein: the upper end of the insulating flange pad (5) is fixedly connected with an anti-corrosion layer (51), and the thickness of the insulating flange pad (5) is 3 mm.

6. A flange insulating assembly with a malfunction alerting function according to claim 2, wherein: the rear end of the F4 gasket (63) is 3mm, the wall thickness of the insulating sleeve (62) is 0.75mm, and the left side and the right side of the outer surface of the insulating sleeve (62) are respectively sleeved with a group of F4 gaskets (63).