CN215445558U

CN215445558U - Skylight-opened gas source end plugging device for gas plugging operation

Info

Publication number: CN215445558U
Application number: CN202120980634.3U
Authority: CN
Inventors: 周子恒; 谢娴; 罗超; 冯家亮; 刘德桂; 熊光明
Original assignee: Guangzhou Gas Group Co Ltd
Current assignee: Guangzhou Gas Group Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-07
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a skylight opening gas connection operation gas source end plugging device which comprises a main shaft, a movable umbrella shaft, a first sealing ring, a second sealing ring, umbrella ribs and sealing cloth, wherein the movable umbrella shaft can be movably sleeved on the main shaft along the axial direction, the first sealing ring is connected with the main shaft through the umbrella ribs, the second sealing ring is connected with the movable umbrella shaft through the umbrella ribs, the sealing cloth is arranged between the inner side of the first sealing ring and the main shaft, the sealing cloth is arranged between the first sealing ring and the second sealing ring, and the sealing cloth is also arranged between the second sealing ring and the movable umbrella shaft. This open skylight gas operation air supply end plugging device of plugging into can high-efficiently realize the shutoff effect, easily accomodate again when flexible operation, manpower and material resources are practiced thrift greatly in not only having residue but also can repeatedly be applied to the pipeline of not unidimensional again.

Description

Skylight-opened gas source end plugging device for gas plugging operation

Technical Field

The utility model relates to the technical field of gas pipeline operation equipment, in particular to a gas source end plugging device for skylight-opened gas connection operation.

Background

At present, when a gas pipeline is plugged, temporary plugging is often needed to be carried out on a gas source end of an original pipeline, an elastic plugging ball is directly filled into nitrogen for expansion plugging, but for safety, on one hand, the plugging ball needs to be prevented from being punctured by sharp objects and nitrogen leakage, on the other hand, the situation that unabated gas in a residual gas source end pipe section caused by the damage of the plugging ball enters a working space and is deflagrated when meeting sparks which are cutting or welding is taken into consideration, and at present, operators often adopt the way that after the plugging ball is plugged, brick laying is carried out on one side of the pipeline close to the gas source end of the plugging ball in a skylight, the operation is long in time consumption, the requirement on disposable materials is high, the requirements on the technology and experience of operators are high, the dependence on wall laying materials is high, the plugging is removed, and the pipeline is extremely easy to be polluted by residual garbage, creating a potential risk and being very inconvenient.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the skylight-opened gas connection operation gas source end plugging device is convenient to apply, time-saving, free of material residues and capable of being used repeatedly.

In order to solve the technical problem, the utility model provides a gas source end plugging device for skylight-opened gas connection operation.

The utility model provides an operation air supply end plugging device is plugged into to skylight gas, includes main shaft, activity umbrella axle, first sealing washer, second sealing washer, rib and sealed cloth, the activity umbrella axle can follow axial movably registrate on the main shaft, first sealing washer passes through the rib connection the main shaft, the second sealing washer passes through the rib connection activity umbrella axle, the inboard of first sealing washer with be provided with between the main shaft sealed cloth, first sealing washer with be provided with between the second sealing washer sealed cloth, the second sealing washer with also be provided with between the activity umbrella axle sealed cloth.

As a preferable scheme of the utility model, the movable umbrella shaft is provided with an adjustable fixing mechanism, and the adjustable fixing mechanism is fixedly connected with the main shaft in an adjustable position.

As a preferable scheme of the present invention, the adjustable fixing mechanism is a nut rotatably mounted on the movable umbrella shaft, and an external thread is provided on an outer wall of the main shaft.

As a preferable aspect of the present invention, the adjustable fixing mechanism is a shaft sleeve having a threaded through hole extending in a radial direction, and the shaft sleeve is provided with a bolt capable of pushing against the main shaft through the threaded through hole.

As a preferable scheme of the utility model, the adjustable fixing mechanism is an electric push rod, and the front end and the rear end of the electric push rod are respectively connected with the movable umbrella shaft and the main shaft.

In a preferred embodiment of the present invention, the first seal ring and the second seal ring are inflatable seal rings.

As a preferable aspect of the present invention, the first sealing ring and the second sealing ring are connected to each other by a gas filling pipe.

As a preferable scheme of the utility model, the front end of the main shaft is provided with a connecting sleeve for connecting umbrella ribs, and the connecting sleeve is sleeved and connected on the main shaft.

As a preferable scheme of the utility model, the rear end of the main shaft is provided with a grab handle, and the front end of the grab handle can correspondingly limit the movable umbrella shaft.

As a preferred scheme of the present invention, the material of the sealing cloth is a flame retardant and high temperature resistant material, and the material of the first sealing ring and the second sealing ring is a wear resistant material.

Compared with the prior art, the skylight-opened gas connection operation gas source end plugging device has the beneficial effects that: can realize the shutoff effect by the high efficiency, easily accomodate again when flexible operation, manpower and material resources are practiced thrift greatly in not only having the residue but also can repeated application in not unidimensional pipeline.

Drawings

FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;

in the figure, 1, main shaft; 11. a handle; 2. a movable umbrella shaft; 21. an adjustable fixing mechanism; 3. a first seal ring; 4. a second seal ring; 5. umbrella ribs; 6. distributing the cloth in a sealing manner; 7. an inflation tube; 8. a connecting sleeve.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Referring to fig. 1, the skylight opening gas supply end plugging device for the skylight opening operation includes a main shaft 1, a movable umbrella shaft 2, a first sealing ring 3, a second sealing ring 4, umbrella ribs 5 and a sealing cloth 6, wherein the movable umbrella shaft 2 is movably sleeved on the main shaft 1 along an axial direction, the first sealing ring 3 is connected with a peripheral wall at or near a tail end of the main shaft 1 through the umbrella ribs 5, the second sealing ring 4 is connected with a peripheral wall of the movable umbrella shaft 2 through the umbrella ribs 5, the sealing cloth 6 is arranged between an inner side of the first sealing ring 3 and the main shaft 1, the sealing cloth 6 is arranged between the first sealing ring 3 and the second sealing ring 4, the sealing cloth 6 is also arranged between the second sealing ring 4 and the movable umbrella shaft 2, the first sealing ring 3 and the second sealing ring 4 are unfolded into a circular wheel shape or are shrunk like an umbrella body along with the movement of the movable umbrella shaft 2 along the main shaft 1, the umbrella ribs 5 are provided with two groups and are respectively and correspondingly connected with the first sealing ring 3 and the second sealing ring 4, the umbrella ribs 5 of each group are provided with a plurality of strips which are radially distributed along the circumferential direction from the main shaft 1 or the movable umbrella shaft 2 as the center, so that the first sealing ring 3 and the second sealing ring 4 are respectively connected onto the main shaft 1 and the movable umbrella shaft 2, the first sealing ring 3 and the second sealing ring 4 can be materials with certain elasticity or contraction and expansion performance such as silica gel, rubber and the like, the umbrella ribs 5 are the same as the framework structure of the existing umbrella product, and are linkage structures which can synchronously allow the first sealing ring 3 and the second sealing ring 4 to be folded and unfolded along with the movement of the movable umbrella shaft 2, the sealing cloth 6 respectively extends from the front end of the main shaft 1 to the first sealing ring 3, and the first sealing ring 3 to the second sealing ring 4, and the second seal ring 4 is covered or connected with the movable umbrella shaft 2 in a sealing way to form a sealed capsule body, when the movable umbrella shaft 2 moves to be close to the front end or the vicinity of the main shaft 1, the first seal ring 3 and the second seal ring 4 are respectively supported along the main shaft 1 and the movable umbrella shaft 2 along the radial direction through the umbrella ribs 5, the two seal rings can be tightly attached to the inner wall of a gas pipeline by expanding outwards along the radial direction, the structure in the seal rings is separated from the outer seal by matching with the sealing cloth 6 and the whole body is covered, and the seal blocking capsule body is formed along with the expansion of the umbrella ribs 5 and the seal rings, so that the gas pipeline can be well blocked, and the opening degree of the umbrella ribs 5 can control the outer diameters of the whole capsule body and the two seal rings through the position of the movable umbrella shaft 2, so that the sealing capsule body can be flexibly used in pipelines with different sizes, the umbrella rib 5 can provide firm support intensity, and sealed cloth 6 and sealing washer can be along with the umbrella rib 5 shrink back just like the umbrella body convenient storage and transportation simultaneously, also can not produce any residue in the pipeline, and convenient to use repeatedly is effective save time again, has saved manpower, material resources and has still improved efficiency, and its structure also is easily maintained and is maintained moreover, and use value is very high.

Referring to fig. 1, illustratively, the rear end, middle section or near position of the movable umbrella shaft 2 is provided with an adjustable fixing mechanism 21, the adjustable fixing mechanism 21 is fixedly connected with the main shaft 1 in an adjustable position, the adjustable fixing mechanism 21 can be adjustably fixed with the outer wall of the main shaft 1 in an elastic clamping manner, such as a clamping jaw structure, a hoop structure and the like, the adjustable fixing mechanism 21 can also be realized by a clamping pin and a clamping hook which are matched with the main shaft 1 for clamping, so that the movable umbrella shaft 2 can be positioned when moving to a corresponding position along the main shaft 1 through the adjustable fixing mechanism 21, it is thus ensured that said ribs 5 provide a firm support also in different positions with the movable shaft 2, the first sealing ring 3 and the second sealing ring 4 can be tightly attached to the inner wall of the pipeline in different expansion sizes.

Exemplarily, adjustable fixed establishment 21 is for rotationally installing nut on the activity umbrella stick 2, be provided with on the outer wall of main shaft 1 with nut matching threaded connection's external screw thread, adjustable fixed establishment 21 preferably adopt two nuts with main shaft 1's outer wall threaded connection, through the nut along the external screw thread rotation and the axial position removal on main shaft 1, activity umbrella stick 2 also can not rotate and shift when receiving axial external force the nut, especially two nuts can further realize the position lock extremely, can lock rib 5 at arbitrary open position when the shutoff pipeline from this, invariably firmly support first sealing washer 3 with second sealing washer 4 hugs closely the pipeline inner wall and realizes sealing.

Illustratively, adjustable fixed establishment 21 is the axle sleeve that has the screw through-hole of radial extension, the axle sleeve passes through the screw through-hole is installed and can be pushed up the bolt of 1 outer wall of main shaft, activity umbrella shaft 2 is followed when main shaft 1 moves to relevant position and needs to fix, through screwing up the bolt top tight butt the outer wall of main shaft 1 makes adjustable fixed establishment 21 is fixed with activity umbrella shaft 2, screw through-hole and the bolt on the axle sleeve can be equipped with the several, thereby increases the tight power in top.

Illustratively, the adjustable fixing mechanism 21 is an electric push rod, the front end and the rear end of the electric push rod are respectively connected with the movable umbrella shaft 2 and the main shaft 1, and the position of the umbrella shaft 2 on the main shaft 1 can be easily and quickly moved through the electric push rod or the electric telescopic rod.

Referring to fig. 1, for example, the first sealing ring 3 and the second sealing ring 4 are inflatable sealing rings, the first sealing ring 3 and the second sealing ring 4 can be respectively connected with an inflation tube 7 or simultaneously connected with the same inflation tube 7, and then the inflation tube 7 is hermetically extended from the rear to connect with a device such as an air pump for inflation and deflation operation, when plugging and unfolding are performed, the two sealing rings are inflated, so that the sealing rings can be quickly attached to the inner wall of the pipeline, the sealing ring space is small, the sealing effect is better, the required inflation amount is smaller, the expansion bearing strength is better correspondingly, the sealing ring is easier to use and better in structural strength and durability than those of a plugging ball and other structures which are inflated and plugged by a single air bag structure, the inflation tubes 7 of the two sealing rings can firstly penetrate into the main shaft 1 within the range enclosed by the sealing cloth 6 and extend to the rear end or the nearby peripheral wall along the axial direction thereof, the gas tube 7 may extend directly through the sealing cloth 6 in a sealing manner, or the gas tube 7 may extend from the sealing cloth 6 in a sealing manner along the main axis 1 between the outer wall thereof and the sealing cloth 6.

Referring to fig. 1, exemplarily, the first sealing ring 3 and the second sealing ring 4 are connected to an inflation tube 7 in a communicating manner, when the inflation tube 7 inflates air, the first sealing ring 3 and the second sealing ring 4 are simultaneously supplied with air, the air in the two sealing rings is communicated with each other, and the air pressures in the two sealing rings are equal, so that when the two sealing rings are tightly attached to the inner wall of the pipeline, any part of any one sealing ring is squeezed to expand the other position and the other sealing ring, and the sealing effect of the two sealing rings tightly attached to the pipeline is further improved.

Referring to fig. 1, it is exemplary, adapter sleeve 8 of connecting rib 5 is installed to the front end of main shaft 1, adapter sleeve 8 registrates and connects on main shaft 1, adapter sleeve 8, rib 6 and activity umbrella stick 2 can constitute the local subassembly of connecting two sealing washers and sealed cloth earlier during the equipment, then from main shaft 1's front end registrates respectively and installs activity umbrella stick 2 and adapter sleeve 8, also can conveniently tear adapter sleeve 8 and activity umbrella stick 2 out when dismantling to maintain, thereby let production, equipment, dismantlement all more convenient, adapter sleeve 8 can simultaneously activity umbrella stick 2 removes to the foremost position and expandes rib 5's locating part, thereby prevent that activity umbrella stick 2 from exceeding due position.

Referring to fig. 1, exemplarily, a handle 11 is disposed at the rear end of the main shaft 1, the front end of the handle 11 can correspondingly limit the movable umbrella shaft 2, the handle 11 can correspondingly limit and abut against the movable umbrella shaft 2 or the adjustable fixing mechanism 21 through the axial front end portion, so as to prevent the movable umbrella shaft 2 from moving backwards, meanwhile, the peripheral wall of the handle 11 can be used for conveniently holding, and the main shaft 1 can also be used by connecting the handle 11 with a bracket or a support.

Referring to fig. 1, for example, the material of the sealing cloth 6 is a flame-retardant and high-temperature-resistant material, such as some high polymer materials containing bromine and phosphorus, which can absorb radicals generated by combustion during combustion to hinder the chain reaction, and can still maintain original properties such as wear resistance, sealing property, etc. under high-temperature conditions, there are many flame-retardant and high-temperature-resistant cloths available on the market at present, and the material of the first sealing ring 3 and the second sealing ring 4 is a wear-resistant material, such as high-temperature-resistant, cold-resistant, corrosion-resistant, and wear-resistant flame-retardant rubber.

To sum up, the embodiment of the utility model provides a gas source end plugging device for skylight-opened gas connection operation, which has the following advantages:

1. after the existing plugging ball is placed, the operation of automatic unfolding and air filling is directly carried out, and the standardized operation is realized. The method has no dependence on the experience of the implementing personnel and saves time;

2. after the connection operation is finished, no residue is left after the connection operation is dismantled;

3. the device is maintained reasonably and repeatedly used; the manpower and material resources are saved as a whole, and the efficiency is improved;

4. even according to the actual use effect, can directly carry out the shutoff with the device can, need not to adopt the shutoff ball. The connection operation efficiency is further improved;

5. the umbrella-shaped structure is very convenient to transport and store and flexible to use;

6. the sealing ring can be unfolded and applied to pipelines with different sizes in a certain range, and the sealing effect of the sealing ring close to the pipeline is good.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an open skylight gas operation air supply end plugging device that plugs into which connects which characterized in that: including main shaft, activity umbrella shaft, first sealing washer, second sealing washer, rib and sealed cloth, the activity umbrella shaft can follow axial activity ground registrate on the main shaft, first sealing washer passes through the rib connection the main shaft, the second sealing washer passes through the rib connection the activity umbrella shaft, the inboard of first sealing washer with be provided with between the main shaft sealed cloth, first sealing washer with be provided with between the second sealing washer sealed cloth, the second sealing washer with also be provided with between the activity umbrella shaft sealed cloth.

2. The skylight-opened gas connection operation gas source end plugging device according to claim 1, characterized in that: the movable umbrella shaft is provided with an adjustable fixing mechanism, and the adjustable fixing mechanism is fixedly connected with the main shaft in an adjustable position.

3. The skylight-opened gas connection operation gas source end plugging device according to claim 2, characterized in that: the adjustable fixing mechanism is a nut which is rotatably arranged on the movable umbrella shaft, and an external thread is arranged on the outer wall of the main shaft.

4. The skylight-opened gas connection operation gas source end plugging device according to claim 2, characterized in that: the adjustable fixing mechanism is a shaft sleeve with a radially extending thread through hole, and a bolt capable of jacking the main shaft is installed on the shaft sleeve through the thread through hole.

5. The skylight-opened gas connection operation gas source end plugging device according to claim 2, characterized in that: the adjustable fixing mechanism is an electric push rod, and the front end and the rear end of the electric push rod are respectively connected with the movable umbrella shaft and the main shaft.

6. The skylight-opened gas connection operation gas source end plugging device according to any one of claims 1-5, characterized in that: the first sealing ring and the second sealing ring are inflatable sealing rings.

7. The skylight-opened gas connection operation gas source end plugging device according to claim 6, characterized in that: and the first sealing ring and the second sealing ring are communicated and connected with an inflation tube.

8. The skylight-opened gas connection operation gas source end plugging device according to any one of claims 1-5, characterized in that: the front end of the main shaft is provided with a connecting sleeve for connecting umbrella ribs, and the connecting sleeve is sleeved and connected on the main shaft.

9. The skylight-opened gas connection operation gas source end plugging device according to any one of claims 1-5, characterized in that: the rear end of the main shaft is provided with a grab handle, and the front end of the grab handle can correspondingly limit the movable umbrella shaft.

10. The skylight-opened gas connection operation gas source end plugging device according to any one of claims 1-5, characterized in that: the material of sealing cloth is fire-retardant, high temperature resistant material, the material of first sealing washer with the second sealing washer is wear-resisting material.