CN217583678U

CN217583678U - Gas pipeline under-pressure non-stop conveying plugging device

Info

Publication number: CN217583678U
Application number: CN202220913051.3U
Authority: CN
Inventors: 郭春海
Original assignee: Individual
Current assignee: Qinhuangdao China Resources Gas Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-10-14
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a gas pipeline area is pressed and is not stopped defeated plugging device involves gas pipeline technical field, the pipeline comprises a pipeline, the pipeline bottom cup joints and is provided with tee bend saddle lower part and the pipeline top cup joints and is provided with tee bend saddle upper portion, be provided with push-pull valve and closed multipurpose support on tee bend saddle upper portion, tee bend saddle lower part both sides and tee bend saddle upper portion both sides are the fixed locking mechanical system in advance jointly, two arc grip blocks carry out the centre gripping to the pipeline among the locking mechanical system in advance, positioning screw fixes tee bend saddle upper portion with among the locking mechanical system in advance to the locating plate. The utility model discloses can be comparatively convenient fix tee bend saddle lower part and tee bend saddle upper portion, when stability is better and make things convenient for follow-up welded, single can accomplish the operation, and the in-service use effect is more ideal.

Description

Gas pipeline blocking device with pressure and without stopping delivery

Technical Field

The utility model relates to a gas pipeline technical field, in particular to gas pipeline area is pressed and is not stopped defeated plugging device.

Background

In the traditional method, the emergency repair of the pipeline sudden accident is carried out after stopping conveying and emptying the pipeline or some temporary remedial measures are taken, so that great hidden danger is brought to the safe operation of the pipeline. The technique of non-stop conveying and pressure plugging is safe and reliable, has no pollution, does not influence the normal conveying of the pipeline, and can ensure that the connection work of new and old pipelines can be completed safely, efficiently and environmentally. The medium suitable for the technique of non-stop transportation and pressure plugging is the medium without strong corrosivity, such as petroleum, natural gas, water, ethylene, coal gas, medium oil, aviation oil and the like.

Patent application publication No. CN 211010394U's utility model patent discloses a pipeline blocking device that presses, including the flange tee bend saddle of welding on incessant pipeline, the push-pull valve of flange tee bend saddle upper portion installation, the closed multipurpose support of installation on the push-pull valve is provided with the heavy-calibre trompil drill bit that can change outfit on the closed multipurpose support, lower stifled ware or shutoff board. The utility model discloses a be applicable to because of production can not stop, the valve can not effectively keep apart or realize not incessantly defeated area under the specific unable circumstances of keeping apart and press the shutoff to accomplish the maintenance of low reaches valve or equipment, and do not destroy original main line structure and transport characteristics after the shutoff operation is accomplished, resume the original appearance of pipeline when easily overhauing.

However, the device still has some disadvantages in actual use, and it is obvious that the flanged three-way saddle needs to be welded outside the pipeline before actual use, but because a necessary pre-locking mechanism is lacked, the three-way saddle needs to be manually supported in actual welding, so that not only is the welding difficulty increased, but also at least two operators are needed to complete the welding of the three-way saddle, and in addition, because of the instability of manual support, the situation that the upper part and the lower part of the welded three-way saddle are not effectively aligned is easy to occur, and the actual use effect is not ideal enough.

In addition, when the lower part of the three-way saddle is installed in the prior art, the structure capable of temporarily fixing the lower part of the three-way saddle is lacked, so that the installation difficulty is increased.

Therefore, it is necessary to provide a blocking device for gas pipelines with pressure and continuous transportation to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas pipeline area is pressed and is not defeated plugging device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas pipeline takes pressure not to stop transport plugging device, includes the pipeline, the pipeline bottom cup joints and is provided with tee bend saddle lower part and the pipeline top cup joints and is provided with tee bend saddle upper portion, be provided with push-pull valve and closed multipurpose support on tee bend saddle upper portion, tee bend saddle lower part both sides and tee bend saddle upper portion both sides are all fixed jointly and are provided with pre-locking mechanism, two arc grip blocks carry out the centre gripping to the pipeline among the pre-locking mechanism, positioning screw fixes tee bend saddle upper portion with pre-locking mechanism well locating plate among the pre-locking mechanism.

Preferably, the pre-locking mechanism comprises a side plate, a bidirectional screw, a handle, a sliding block, a connecting arm and an arc-shaped clamping plate.

Preferably, curb plate and tee bend saddle lower part fixed connection, two-way screw rod is located the curb plate inboard, and rotates with the curb plate through the bearing to be connected, the handle is fixed to be set up in two-way screw rod tip, slider, linking arm and arc grip block all are provided with two, two the slider cup joints respectively and sets up in two-way screw rod outside both ends, and all with two-way screw rod threaded connection, two the linking arm is fixed respectively and sets up in two slider tops, two the arc grip block is fixed respectively and sets up in two linking arm tips.

Preferably, the pre-locking mechanism further comprises a positioning screw, a positioning nut and a positioning plate.

Preferably, the number of the positioning screws and the number of the positioning nuts are two, the two positioning screws are respectively and fixedly arranged on two sides of the top of the side plate, the two positioning nuts are respectively in threaded connection with the outer sides of the two positioning screws, the positioning plate is fixedly connected with the upper portion of the three-way saddle, and the positioning plate is slidably sleeved on the outer sides of the two positioning screws.

The utility model discloses a technological effect and advantage:

the utility model discloses a be provided with locking mechanism in advance, so that the user can support tee bend saddle lower part by a hand, another hand is rotatory at first to two handles, and then make the handle drive two sliders through two-way screw rod and be close to each other, two sliders drive two arc grip block centre grippings in the pipeline outside through two linking arms this moment, and then accomplish the fixed of tee bend saddle lower part, then take tee bend saddle upper portion, and when driving the locating plate and remove on tee bend saddle upper portion, make the locating plate cup joint in the locating screw rod outside, connect four set nut respectively soon afterwards on four set screw rods, fix the locating plate, and then accomplish the fixed on tee bend saddle upper portion, compare in prior art the same type device, the utility model discloses can be comparatively convenient fix tee bend saddle lower part and tee bend saddle upper portion, when stability is better and make things convenient for follow-up welding, single can accomplish the operation, the in-service effect is more ideal.

The utility model discloses a be provided with the arc grip block to in the tee bend saddle lower part installation back, the arc grip block can laminate in the pipeline outside, and then carries on spacingly, convenient subsequent welding to tee bend saddle lower part.

Drawings

Fig. 1 is a schematic view of the overall front view structure of the present invention.

Fig. 2 is a schematic view of the overall side view structure of the present invention.

In the figure: 1. a pipeline; 2. the lower part of the three-way saddle; 3. the upper part of the three-way saddle; 4. a pre-locking mechanism; 41. A side plate; 42. a bidirectional screw; 43. a handle; 44. a slider; 45. a connecting arm; 46. an arc-shaped clamping plate; 47. positioning a screw rod; 48. positioning a nut; 49. and (7) positioning the plate.

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.

The utility model provides a gas pipeline area is pressed and is incessantly transported plugging device as shown in fig. 1-2, including

pipeline

1, 1 bottom of pipeline cup joints and is provided with tee bend saddle

lower part

2 and 1 top of pipeline cup joints and is provided with tee bend saddle upper portion 3, be provided with push-pull valve and closed multipurpose support on tee bend saddle upper portion 3.

Wherein, 2 both sides in tee bend saddle lower part and 3 both sides in tee bend saddle upper portion are all fixed jointly and are provided with locking mechanical system 4 in advance, two arc grip blocks 46 carry out the centre gripping to pipeline 1 in the locking mechanical system 4 in advance, positioning screw 47 and locking mechanical system 4 in advance locating plate 49 are fixed tee bend saddle upper portion 3, and then comparatively convenient fix tee bend saddle lower part 2 and tee bend saddle upper portion 3, when stability is better and convenient follow-up welded, single can accomplish the operation.

As shown in fig. 2, the pre-locking mechanism 4 includes a side plate 41, a bidirectional screw 42, a handle 43, a sliding block 44, a connecting arm 45, and an arc-shaped clamping plate 46, the side plate 41 is fixedly connected to the lower portion 2 of the three-way saddle, the bidirectional screw 42 is located inside the side plate 41 and rotatably connected to the side plate 41 through a bearing, the handle 43 is fixedly disposed at an end portion of the bidirectional screw 42, two sliding blocks 44, two connecting arms 45, and two arc-shaped clamping plates 46 are disposed, the two sliding blocks 44 are respectively sleeved at two ends of the outer side of the bidirectional screw 42 and are respectively in threaded connection with the bidirectional screw 42, the two connecting arms 45 are respectively fixedly disposed at tops of the two sliding blocks 44, and the two arc-shaped clamping plates 46 are respectively fixedly disposed at end portions of the two connecting arms 45, so that a user can support the lower portion 2 of the three-way saddle with one hand, the other hand can rotate the two handles 43 first, and then the handle 43 drives the two sliding blocks 44 to approach each other through the bidirectional screw 42, and the two sliding blocks 44 drive the two arc-shaped clamping plates 46 to clamp the outer side of the pipeline 1 through the two connecting arms 45, thereby completing the fixation of the lower portion 2 of the three-way saddle.

In addition, as shown in fig. 2, the pre-locking mechanism 4 further includes two positioning screws 47, two positioning nuts 48 and two positioning plates 49, the two positioning screws 47 and the two positioning nuts 48 are respectively fixedly disposed on two sides of the top of the side plate 41, the two positioning nuts 48 are respectively in threaded connection with the outer sides of the two positioning screws 47, the positioning plate 49 is fixedly connected with the three-way saddle upper portion 3, and the positioning plate 49 is slidably sleeved on the outer sides of the two positioning screws 47, so that the three-way saddle upper portion 3 can be taken out, and when the three-way saddle upper portion 3 drives the positioning plate 49 to move, the positioning plate 49 is sleeved on the outer side of the positioning screw 47, and then the four positioning nuts 48 are respectively screwed on the four positioning screws 47 to fix the positioning plate 49, thereby fixing the three-way saddle upper portion 3.

The utility model discloses theory of operation:

in the actual use process, firstly, the lower part 2 of the three-way saddle is sleeved outside the pipeline 1, and at the moment, other parts except the positioning nut 48 and the positioning plate 49 in the pre-locking mechanism 4 synchronously move along with the lower part 2 of the three-way saddle;

at the moment, a user can support the lower part 2 of the three-way saddle with one hand, and firstly rotate the two handles 43 with the other hand, so that the handles 43 drive the two sliding blocks 44 to approach each other through the two-way screw 42, and at the moment, the two sliding blocks 44 drive the two arc-shaped clamping plates 46 to be clamped outside the pipeline 1 through the two connecting arms 45, thereby completing the fixation of the lower part 2 of the three-way saddle;

then, the upper part 3 of the three-way saddle is taken, when the upper part 3 of the three-way saddle drives the positioning plate 49 to move, the positioning plate 49 is sleeved outside the positioning screw rods 47, then the four positioning nuts 48 are respectively screwed on the four positioning screw rods 47, the positioning plate 49 is fixed, and then the fixing of the upper part 3 of the three-way saddle is completed;

then, a user can weld the pipeline 1, the lower part 2 of the three-way saddle and the upper part 3 of the three-way saddle, and plugging operation can be performed after the welding is finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a gas pipeline area is pressed and is not shut off shutoff device, includes pipeline (1), pipeline (1) bottom cup joints and is provided with tee bend saddle lower part (2) and pipeline (1) top and cup joints and be provided with tee bend saddle upper portion (3), be provided with push-pull valve and closed multipurpose support on tee bend saddle upper portion (3), its characterized in that: the two sides of the lower portion (2) of the three-way saddle and the two sides of the upper portion (3) of the three-way saddle are both fixedly provided with pre-locking mechanisms (4), two arc-shaped clamping plates (46) in the pre-locking mechanisms (4) clamp a pipeline (1), and positioning screws (47) in the pre-locking mechanisms (4) and positioning plates (49) in the pre-locking mechanisms (4) fix the upper portion (3) of the three-way saddle.

2. The gas pipeline blocking device with pressure and without stopping transportation according to claim 1, characterized in that: the pre-locking mechanism (4) comprises a side plate (41), a bidirectional screw (42), a handle (43), a sliding block (44), a connecting arm (45) and an arc-shaped clamping plate (46).

3. The gas pipeline blocking device with pressure and without stopping transportation according to claim 2, characterized in that: curb plate (41) and tee bend saddle lower part (2) fixed connection, two-way screw rod (42) are located curb plate (41) inboard, and rotate with curb plate (41) through the bearing and are connected, handle (43) are fixed to be set up in two-way screw rod (42) tip, slider (44), linking arm (45) and arc grip block (46) all are provided with two, two slider (44) cup joint respectively and set up in two-way screw rod (42) outside both ends, and all with two-way screw rod (42) threaded connection, two linking arm (45) are fixed respectively and are set up in two slider (44) tops, two arc grip block (46) are fixed respectively and are set up in two linking arm (45) tip.

4. The gas pipeline blocking device without stopping conveying under pressure as claimed in claim 3, wherein: the pre-locking mechanism (4) further comprises a positioning screw rod (47), a positioning nut (48) and a positioning plate (49).

5. The gas pipeline blocking device without stopping conveying under pressure as claimed in claim 4, wherein: positioning screw (47) all are provided with two, two with set nut (48) positioning screw (47) are fixed respectively and are set up in curb plate (41) top both sides, two set nut (48) threaded connection respectively in two positioning screw (47) outsides, locating plate (49) and tee bend saddle upper portion (3) fixed connection, locating plate (49) slip cup joint set up in two positioning screw (47) outsides.