CN213745518U

CN213745518U - Pipeline pressurized plugging device

Info

Publication number: CN213745518U
Application number: CN202021570073.1U
Authority: CN
Inventors: 刘永龙; 王仲杨
Original assignee: Baiyin Nonferrous Group Co Ltd
Current assignee: Baiyin Nonferrous Group Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-07-20
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a pipeline pressurized plugging device, which relates to the field of pipeline plugging and comprises a pressurized plugging component and a fastener, wherein the pressurized plugging component comprises a screw fastener, an internal thread pipe and a rubber pad; the fastener comprises a stainless steel chain; one end of the stainless steel chain is welded with the internal thread pipe, the other end of the stainless steel chain is welded with the outer wall of the pipeline or hung and buckled on a hook of the ratchet strainer, and the screw fastener is in threaded fit with the internal thread pipe; the end surface of the lower port of the internal thread pipe is arc-shaped; according to the scheme, the rubber pad covers the leakage position, the screw fastener is matched with the internal thread pipe to block leakage under pressure, the stainless steel chain or the stainless steel chain is tightened by the fastener and welded on the outer wall of the pipeline, the whole leakage blocking device under pressure is fixed with the leakage pipeline, and therefore the leakage blocking under pressure is achieved without shutdown.

Description

Pipeline pressurized plugging device

Technical Field

The utility model relates to a pipeline leaking stoppage field, concretely relates to be used for pipeline area to press plugging device.

Background

The existing straight pipe leakage and elbow leakage are changed or the working condition is stopped; or the temporary hoop type pressure leakage stopping device is used for stopping leakage, so that the work can be continuously carried out, and the leakage stopping maintenance is carried out after the normal shutdown. Stopping the operation of the production line for leakage at a certain position increases the cost of the enterprise; the temporary hoop type under-pressure leakage stopping device is not ideal in leakage stopping effect, short in service cycle and high in medium requirement device condition, if the work is required to be carried out, frequent replacement is possibly needed, and leakage stopping maintenance is carried out after pressure relief is carried out under the condition of stopping working.

When the condition is special, like the leakage of inflammable and explosive materials such as oil gas, need a safety, the plugging device that the pulling force is strong, consequently consider to design one kind to have rated tension height, safety, the binding of labour saving and time saving characteristics participates in the leaking stoppage, ratchet strainer among the prior art possesses above-mentioned characteristics, simultaneously the utility model discloses in designed a ratchet chain and tightened up the box, still convenient the dismantlement when possessing above-mentioned characteristics, can accomodate the chain when idle, easy and simple to handle, portable, with low costs, guaranteed the long period operation of device, need not carry out the pressure release replacement to the system, avoided because of the damage of pipeline leakage parking loss and other equipment that cause, very big reduction economic loss and environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the pipeline under-pressure leakage blocking device has a good leakage blocking effect, is suitable for running and does not influence production.

For solving the technical problem, the utility model discloses a technical scheme as follows:

the under-pressure leakage blocking device for the pipeline comprises an under-pressure leakage blocking assembly and a fastener; the pressurized leakage blocking assembly comprises a screw fastener, an internal thread pipe and a rubber pad; the screw fastener is provided with external threads, the internal thread pipe is internally provided with internal threads matched with the external threads, and the screw fastener is in threaded fit with the internal thread pipe; the rubber pad is arranged below the internal thread pipe; the threaded fastener is screwed into the internal threaded pipe and tightly presses the rubber gasket; the fastener comprises a stainless steel chain; one end of the stainless steel chain is welded with the outer wall of the internal thread pipe.

Preferably, the end surface of the lower port of the internally threaded pipe is arc-shaped.

Preferably, the fastener is a ratchet tensioner or a ratchet chain take-up box.

Preferably, the ratchet strainer is provided with a hook, one end of the stainless steel chain is welded with the outer wall of the pipeline, and the other end of the stainless steel chain is wound on the outer wall of the pipeline and then is hung and buckled on the hook of the ratchet strainer.

Preferably, the ratchet chain tightens up the box and includes gear drive system and storage disc, and ratchet chain tightens up box both ends and divide into stiff end and regulation end.

Preferably, the gear transmission system comprises a stop pawl, a second adjusting rod, a ratchet wheel, a first adjusting rod, a large gear and a small gear, the large gear and the ratchet wheel are coaxially mounted, the stop pawl is connected with the second adjusting rod, the small gear is connected with the first adjusting rod, and a stainless steel chain is meshed with the large gear and then is stored in the storage disc.

Preferably, the adjusting end is provided with an outlet through which the stainless steel chain passes; the fixing end is provided with a bolt, a nut and a gasket, the bolt is inserted into the through hole of the stainless steel chain, and the stainless steel chain is fixed by matching the bolt and the gasket.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, threaded fastener and internal thread pipe thread fit, the cooperation is more inseparable for the area is pressed the leaking stoppage and is more firm.

2. The utility model discloses in, adopt the ratchet strainer to come taut stainless steel chain or connect the ratchet chain to tighten up the box and come to tighten up the stainless steel chain, labour saving and time saving, it is easy and simple to handle, rated tension improves, the leaking stoppage effect is more ideal, the ratchet chain tightens up the storage disc that the box set up and still has one to accomodate the effect to stainless steel chain when idle, conveniently stores.

3. The utility model discloses in, the internal thread manages down the port terminal surface and is the arc, can more laminate the outer wall of pipeline for it is better to press the leaking stoppage effect.

4. The utility model discloses in, corresponding size and material can be selected according to the size of leakage department leak orifice and leakage medium to rubber pad, internal thread pipe, can be applied to in the condition of different medium leakage leaking stoppage in a flexible way.

5. The utility model discloses in, ratchet and gear wheel coaxial arrangement, the existence of ratchet for stainless steel chain is when tightening up, and gear drive system can not take place the gyration, and safe and reliable, fastening effect are better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the ratchet strainer;

FIG. 3 is a schematic structural view of the ratchet chain take-up box;

FIG. 4 is a schematic block diagram of the construction of the ratchet chain take-up box gear drive system;

FIG. 5 is a schematic structural view of the ratchet chain tightening box fixing end bolt and nut in cooperation with fixing the stainless steel chain;

the labels in the figure are: 1-threaded fastener, 2-internally threaded tube, 3-rubber pad, 4-stainless steel chain, 5-ratchet strainer, 6-hook, 7-ratchet chain tightening box, 8-adjusting end, 9-fixing end, 10-containing disc, 11-stop pawl, 12-second adjusting rod, 13-ratchet wheel, 14-first adjusting rod, 15-bull gear, 16-pinion, 17-bolt, 18-nut, 19-gasket.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings 1-5:

the device for the pressurized leakage stoppage of the pipeline comprises a pressurized leakage stoppage assembly and a fastener, wherein the pressurized leakage stoppage assembly comprises a screw fastener 1, an internal threaded pipe 2 and a rubber pad 3; the screw fastener 1 is provided with external threads, the inner thread pipe 2 is internally provided with internal threads matched with the external threads, and the screw fastener 1 is in threaded fit with the inner thread pipe 2; the end surface of the lower port of the internal thread pipe 2 is arc-shaped; the rubber pad 3 is arranged below the internal thread pipe 2; the fastener comprises a stainless steel chain 4, a ratchet strainer 5 or a ratchet chain tightening box 7; one end of the stainless steel chain 4 is welded with the internal threaded pipe 2.

As in the above embodiment, the screw fastener 1 is in threaded fit with the internally threaded tube 2, so that the fit is tighter and cannot be loosened due to the pressure of the medium in the tube; the end surface of the lower end port of the internal thread pipe 2 is arc-shaped, so that the end surface is tightly attached to the outer wall of the water pipe to be plugged, and the plugging effect is more ideal; the ratchet strainer 5 or the ratchet chain tightening box 7 is adopted, so that the time and labor are saved, the operation is simple and convenient, the rated tension is improved, and the plugging effect is better.

Example 1

As shown in fig. 1, the working principle of the present invention will be described by taking the leakage of the water pipeline as an example in combination with the above. The water pipe that is in operation takes place to leak, select rubber pad 3 and the internal thread pipe 2 of general alloy material of the waterproof material of corresponding size, in advance with the internal thread pipe 2 under the port terminal surface processing for the arc with the pipeline outer wall size matching, when taking the area to press the leaking stoppage, cover rubber pad 3 in the leak department, push down with internal thread pipe 2 and stainless steel chain 4, at this moment twine stainless steel chain 4 around the water pipe tightly, and with water pipe outer wall welded fastening, 3 positions of adjustment rubber pad, twist screw fastener 1 internal thread pipe 2 and compress tightly rubber pad 3, do final water pipe and take the area to press the leaking stoppage.

Example 2

According to the actual situation, if the leakage occurs in the water pipeline, one end of the stainless steel chain is welded with the outer wall of the pipeline, and the stainless steel chain is wound on the outer wall of the pipeline and then hung and buckled on a hook of the ratchet strainer or connected with a ratchet chain tightening box; however, if the pipelines of flammable and explosive dangerous goods such as oil and gas pipes are leaked, the welding mode cannot be adopted.

As shown in fig. 2, the working principle of the present invention will be described by replacing the water pipeline in embodiment 1 with an oil pipeline. The oil pipe in operation takes place to leak, because crude oil has certain corrosivity, select the rubber pad 3 of the anti-corrosion material of corresponding size and the internal thread pipe 2 of the alloy material that has the anti-corrosion cladding material, with internal thread pipe 2 lower port end face processing for the arc with pipeline outer wall size matching in advance, when carrying out the area pressure leaking stoppage, cover rubber pad 3 in the leak department, push down with internal thread pipe 2 and stainless steel chain 4, because oil belongs to easily fires the hazardous articles and can not take welded fastening, select ratchet strainer 5 as the binding, ratchet strainer is when using, loosen ratchet strainer wire rope earlier, and fix on the cross arm, live the chain with the clamp wire clamp, then pull special spanner and strain the chain. At the moment, the stainless steel chain 4 is wound around the oil pipe, the position of the stainless steel chain 4 is adjusted and then hung and buckled on a hook 6 of a ratchet strainer 5, the stainless steel chain 4 is tensioned by adjusting the ratchet strainer 5, the position of a fixed rubber pad 3 is adjusted, a screw fastener 1 is screwed into the internal thread pipe 2 to tightly press the rubber pad 3, and final leakage stoppage under pressure of the oil conveying pipeline is performed.

Example 3

As shown in fig. 3 to 5, the operation principle of the present invention will be described by using the ratchet chain tightening box 7 as a fastener, taking the leakage of the oil pipeline as an example. The oil pipe in operation leaks, because crude oil has certain corrosivity, a rubber pad 3 made of anti-corrosion materials with corresponding size and an inner threaded pipe 2 made of alloy materials with an anti-corrosion coating are selected, the end face of the lower end of the inner threaded pipe 2 is processed into an arc shape matched with the size of the outer wall of the pipeline in advance, when leakage stoppage is carried out under pressure, the rubber pad 3 is covered at the leakage position and is pressed by the inner threaded pipe 2 and a stainless steel chain 4, after the length of the stainless steel chain 4 required by a fixed end 9 is determined according to actual conditions, one end of the stainless steel chain 4 of the fixed end 9 is welded with the inner threaded pipe 2, the other end of the stainless steel chain 4 is fixed on a ratchet chain tightening box 7 in a matching mode through a bolt 17, a nut 18 and a gasket 19, the stainless steel chain 4 of an adjusting end 8 of the ratchet chain tightening box 7 is welded with the other side of the inner threaded pipe 2, and a pinion 16 is controlled to rotate by rotating a first adjusting rod 14 rightwards, and then the stainless steel chain 4 is controlled to be tightened, the ratchet wheel 13 and the large gear 15 are coaxially installed, the gear transmission system cannot rotate after the gear transmission system rotates to an ideal position due to the existence of the stop pawl 11, the purpose of tightening the stainless steel chain 4 to fix the whole device is achieved, the screw fastener 1 is screwed into the internal threaded pipe 2 to tightly press the rubber pad 3, and final leakage stoppage under pressure of the oil pipeline is performed. When the device is dismantled, only need to rotate second regulation pole 12 for the pawl 11 does not carry on spacingly to the ratchet, then first regulation pole 14 rotates to the left, loosens stainless steel chain 4, and stainless steel chain 4 after breaking away from the pipeline can be through rotating first regulation pole 14 shrink and place in storage disc 10, be convenient for store.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The device for the pressurized leakage stoppage of the pipeline is characterized by comprising a pressurized leakage stoppage assembly and a fastener, wherein the pressurized leakage stoppage assembly comprises a screw fastener (1), a rubber pad (3) and an internal threaded pipe (2); the screw fastener (1) is provided with an external thread, the internal thread pipe (2) is internally provided with an internal thread matched with the external thread pipe, and the screw fastener (1) is in threaded fit with the internal thread pipe (2); the rubber pad (3) is placed below the internal threaded pipe (2), and the screw fastener (1) is screwed into the internal threaded pipe (2) and tightly presses the rubber pad (3); the fastener comprises a stainless steel chain (4), and one end of the stainless steel chain (4) is welded with the outer wall of the internal threaded pipe (2).

2. The device for blocking the leakage of the pipeline under pressure as claimed in claim 1, wherein the end surface of the lower port of the internally threaded pipe (2) is arc-shaped.

3. The device for blocking the leakage of the pipeline with the pressure as recited in claim 1, wherein the fastener is a ratchet tensioner (5) or a ratchet chain tightening box (7).

4. The device for blocking the leakage of the pipeline under pressure as claimed in claim 3, wherein the ratchet strainer (5) is provided with a hook (6), one end of the stainless steel chain (4) is welded with the outer wall of the pipeline, and the other end of the stainless steel chain is wound around the outer wall of the pipeline and then is hung and buckled on the hook (6) of the ratchet strainer (5).

5. The device for blocking the leakage of the pipeline under pressure as claimed in claim 3, wherein the ratchet chain tightening box (7) comprises a gear transmission system and a receiving disc (10), and two ends of the ratchet chain tightening box (7) are divided into a fixed end (9) and an adjusting end (8).

6. The device for blocking the leakage of the pipeline under pressure as claimed in claim 5, wherein the gear transmission system comprises a locking claw (11), a second adjusting rod (12), a ratchet wheel (13), a first adjusting rod (14), a gearwheel (15) and a pinion (16), the gearwheel (15) and the ratchet wheel (13) are coaxially mounted, the locking claw (11) is connected with the second adjusting rod (12), the pinion (16) is connected with the first adjusting rod (14), and the stainless steel chain (4) is engaged with the gearwheel (15) and then is accommodated in the accommodating disc (10).

7. The device for plugging the pipeline with the pressure as recited in claim 5, wherein the adjusting end (8) is provided with an outlet for allowing the stainless steel chain (4) to pass through; the fixed end (9) is provided with a bolt (17), a nut (18) and a gasket (19), the bolt (17) is inserted into a through hole of the stainless steel chain (4), and the stainless steel chain (4) is fixed by matching the bolt (17) with the gasket (19).