Gas pipeline under-pressure non-stop conveying plugging device

Abstract

The utility model discloses a gas pipeline under-pressure non-stop conveying plugging device which comprises a fixing assembly, and the fixing assembly comprises a three-way saddle lower portion, a three-way saddle upper portion, a supporting plate, a connecting rod, a clamping groove, a fixing plate, a cavity, a rotating shaft, a first rotary knob, a first gear, a square block, a lead screw, a second gear and a clamping rod. The lower portion of the three-way saddle is fixed to the pipeline, the upper portion of the three-way saddle is inserted into the corresponding connecting rod through the square hole, and when the bottom of the upper portion of the three-way saddle makes contact with the top of the lower portion of the three-way saddle, the first rotary knob is rotated and drives the corresponding first gear to rotate through the rotating shaft; the first gear drives a meshed second gear to rotate, the second gear drives a corresponding screw rod to rotate, and the screw rod drives a corresponding clamping rod to move, so that the clamping rod is clamped with a clamping groove in a corresponding connecting rod, the lower part of the three-way saddle and the upper part of the three-way saddle are fixed, the operation is simple and convenient, and the phenomenon of non-uniform force is avoided; the stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas pipelines, and particularly relates to a gas pipeline pressure-continuous transmission plugging device. Background Art

[0002] In the past, the traditional way of repairing sudden accidents in pipelines was to stop the pipeline, empty the pipeline, and then carry out or take some temporary remedial measures, which brought great hidden dangers to the safe operation of the pipeline. The non-stop pressure plugging technology is safe, reliable, and pollution-free. It does not affect the normal transportation of the pipeline, and can ensure the safe, efficient, and environmentally friendly connection of the new and old pipelines. The non-stop pressure plugging technology is applicable to non-corrosive media such as petroleum, natural gas, water, ethylene, coal gas, medium oil, aviation fuel, etc.

[0003] Chinese utility model patent CN217583678U discloses a gas pipeline pressure-free plugging device, which relates to the field of gas pipeline technology, including a pipeline, the bottom of the pipeline is sleeved with a three-way saddle lower part and the top of the pipeline is sleeved with a three-way saddle upper part, the three-way saddle upper part is provided with a plug valve and a closed multi-purpose bracket, the two sides of the three-way saddle lower part and the two sides of the three-way saddle upper part are fixed with a pre-locking mechanism, the two arc-shaped clamping plates in the pre-locking mechanism clamp the pipeline, and the positioning screw in the pre-locking mechanism and the positioning plate in the pre-locking mechanism fix the three-way saddle upper part. The utility model can fix the three-way saddle lower part and the three-way saddle upper part more conveniently, has better stability and is convenient for subsequent welding, and can be operated by a single person, and the actual use effect is more ideal.

[0004] When the device is in use, although it can fix the lower part of the three-way saddle and the upper part of the three-way saddle more conveniently, it has better stability and is convenient for subsequent welding, but when the device is connected to the lower part of the three-way saddle and the upper part of the three-way saddle, it needs to rely on the cooperation of multiple nuts and screws for installation. This installation method is not only cumbersome and time-consuming, but also easily leads to uneven tightening force due to human factors during the tightening process, thereby affecting the stability and reliability of the connection. Utility Model Content

[0005] The utility model aims to overcome the deficiencies in the prior art and provide a gas pipeline pressure-continuous transmission blocking device, which fixes the lower part of the three-way saddle and the upper part of the three-way saddle by means of card installation, is simple and convenient to operate, does not cause uneven force, and improves stability.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a gas pipeline pressure-free plugging device, comprising a fixing assembly, wherein the fixing assembly comprises a three-way saddle lower part, a three-way saddle upper part, a support plate, a connecting rod, a slot, a fixing plate, a cavity, a rotating shaft, a first knob, a first gear, a block, a screw rod, a second gear, and a clamping rod;

[0007] The top of the lower part of the three-way saddle is provided with a three-way saddle upper part, and a pipeline is provided between the upper part of the three-way saddle and the lower part of the three-way saddle, and both sides of the lower part of the three-way saddle are fixedly connected to a support plate, and the top of the support plate is fixedly connected to two connecting rods, and a slot is provided on one side of the connecting rod, and a fixing plate is fixedly connected to the two sides of the upper part of the three-way saddle. A cavity is provided on the fixing plate, and a rotating shaft is rotatably connected on the top inner wall of the cavity, and the top of the rotating shaft extends to the top of the corresponding fixing plate and is fixedly connected to the first knob, and the bottom of the rotating shaft is fixedly connected to the first gear, and two blocks are fixedly connected to the bottom inner wall of the cavity, and a screw rod is rotatably connected on the square, and the end of the screw rod is fixedly connected to the second gear, and the second gear is meshed with the corresponding first gear, and a clamping rod is threadedly connected on the screw rod, and the clamping rod is clamped in the corresponding slot.

[0008] Preferably, a slide groove is provided on the top of the clamping rod, an L-shaped rod is fixedly connected to one side of the block, and the L-shaped rod is slidably connected to the corresponding slide groove.

[0009] Preferably, two square holes are provided on the inner wall of the bottom of the cavity, and the inner walls of the square holes are not in contact with the outer sides of the corresponding connecting rods.

[0010] Preferably, a clamping assembly is provided on one side of the fixing assembly, and the clamping assembly includes a groove, a screw rod, and a second knob;

[0011] A groove is provided on the top of the support plate, and screw rods are rotatably connected to the inner walls on both sides of the groove. The end of one of the two screw rods on the same side extends to the outside of the corresponding support plate and is fixedly connected to a second knob.

[0012] Preferably, the ends of the two screw rods close to each other are fixedly connected, and the threads of the two screw rods have opposite rotation directions.

[0013] Preferably, a connecting plate is threadedly connected to the screw rod, a clamping plate is fixedly connected to one side of the connecting plate, and the clamping plate is in movably contact with the pipeline.

[0014] Preferably, the connecting plate is slidably connected to the groove.

[0015] Preferably, a mounting hole is provided on the inner wall of the top of the cavity, a bearing is fixedly connected to the inner wall of the mounting hole, and the inner side of the inner ring of the bearing is welded to the outer side of the corresponding rotating shaft.

[0016] The beneficial effects of the utility model are as follows: the lower part of the three-way saddle is fixed on the pipeline, and then the upper part of the three-way saddle is inserted into the corresponding connecting rod through the square hole. When the bottom of the upper part of the three-way saddle contacts the top of the lower part of the three-way saddle, the first knob is turned at this time, and the first knob drives the corresponding first gear to rotate through the rotating shaft, and the first gear drives the meshing second gear to rotate, and the second gear drives the corresponding screw rod to rotate, and the screw rod drives the corresponding clamping rod to move, so that the clamping rod is clamped with the clamping groove on the corresponding connecting rod, thereby fixing the lower part of the three-way saddle and the upper part of the three-way saddle. The operation is simple and convenient, there will be no uneven force phenomenon, and the stability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the prior art or the specific implementation methods of the present utility model, the drawings used in the description of the prior art or the specific implementation methods are briefly introduced below.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a gas pipeline pressure-continuous transmission plugging device of the utility model.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure after the support plate is cut.

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure after the fixing plate is cut open.

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixed plate.

[0022] Figure numerals: 1. fixing assembly; 2. lower part of tee saddle; 3. upper part of tee saddle; 4. supporting plate; 5. connecting rod; 6. slot; 7. fixing plate; 8. cavity; 9. rotating shaft; 10. first knob; 11. first gear; 12. block; 13. screw rod; 14. second gear; 15. clamping rod; 16. L-shaped rod; 17. slide groove; 18. square hole; 19. clamping assembly; 20. groove; 21. screw rod; 22. second knob; 23. connecting plate; 24. splint; 25. pipeline. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the present solution, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0024] It should be noted that the terms "first", "second", etc. in the claims and description of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not limited to those steps or units clearly listed, but may also include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to being used to indicate orientation or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present application can be understood according to the specific circumstances. In addition, the term "multiple" should mean two or more. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

[0026] The present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] This embodiment provides a gas pipeline pressure-continuous transmission plugging device, such as Figure 1-4 As shown, it includes a fixing component 1, which includes a three-way saddle lower part 2, a three-way saddle upper part 3, a support plate 4, a connecting rod 5, a slot 6, a fixing plate 7, a cavity 8, a rotating shaft 9, a first knob 10, a first gear 11, a block 12, a screw 13, a second gear 14, and a clamping rod 15.

[0028] Among them, a three-way saddle upper part 3 is provided on the top of the three-way saddle lower part 2, and a pipeline 25 is provided between the three-way saddle upper part 3 and the three-way saddle lower part 2, and support plates 4 are fixedly connected on both sides of the three-way saddle lower part 2, and two connecting rods 5 are fixedly connected to the top of the support plate 4, and a slot 6 is provided on one side of the connecting rod 5, and fixed plates 7 are fixedly connected on both sides of the three-way saddle upper part 3, and a cavity 8 is provided on the fixing plate 7, and a rotating shaft 9 is rotatably connected to the top inner wall of the cavity 8. The top end of the rotating shaft 9 extends to the top of the corresponding fixing plate 7 and is fixedly connected to a first knob 10, and a first gear 11 is fixedly connected to the bottom end of the rotating shaft 9, and two blocks 12 are fixedly connected to the bottom inner wall of the cavity 8, and a screw rod 13 is rotatably connected to the block 12, and a second gear 14 is fixedly connected to the end of the screw rod 13, and the second gear 14 is meshed with the corresponding first gear 11. A clamping rod 15 is threadedly connected to the rod 13, and the clamping rod 15 is clamped with the corresponding clamping groove 6 to fix the lower part 2 of the three-way saddle on the pipeline 25, and then the upper part 3 of the three-way saddle is inserted into the corresponding connecting rod 5 through the square hole 18. When the bottom of the upper part 3 of the three-way saddle contacts the top of the lower part 2 of the three-way saddle, the first knob 10 is turned at this time, and the first knob 10 drives the corresponding first gear 11 to rotate through the rotating shaft 9, and the first gear 11 drives the meshing second gear 14 to rotate, and the second gear 14 drives the corresponding screw rod 13 to rotate, and the screw rod 13 drives the corresponding clamping rod 15 to move, and the clamping rod 15 is limited by the L-shaped rod 16 so that the clamping rod 15 is clamped with the corresponding clamping groove 6 on the connecting rod 5, thereby fixing the lower part 2 of the three-way saddle and the upper part 3 of the three-way saddle. The operation is simple and convenient, there will be no uneven force phenomenon, and the stability is improved.

[0029] In this embodiment, specifically: a slide groove 17 is provided on the top of the clamping rod 15, an L-shaped rod 16 is fixedly connected to one side of the block 12, and the L-shaped rod 16 is slidably connected to the corresponding slide groove 17. The setting of the L-shaped rod 16 plays a role of limiting.

[0030] In this embodiment, specifically: two square holes 18 are provided on the inner wall of the bottom of the cavity 8, and the inner wall of the square hole 18 does not contact the outer side of the corresponding connecting rod 5, and the setting of the connecting rod 5 plays a connecting role.

[0031] In this embodiment, specifically: a clamping assembly 19 is provided on one side of the fixing assembly 1, and the clamping assembly 19 includes a groove 20, a screw rod 21, and a second knob 22;

[0032] A groove 20 is formed at the top of the support plate 4 , and screws 21 are rotatably connected to the inner walls on both sides of the groove 20 . The end of one of the two screws 21 on the same side extends to the outside of the corresponding support plate 4 and is fixedly connected to a second knob 22 .

[0033] In this embodiment, specifically: the ends of the two screw rods 21 close to each other are fixedly connected, the threads of the two screw rods 21 have opposite rotation directions, a connecting plate 23 is threadedly connected to the screw rods 21, a clamping plate 24 is fixedly connected to one side of the connecting plate 23, the clamping plate 24 is in active contact with the pipeline 25, and the setting of the clamping plate 24 plays a fixing role.

[0034] In this embodiment, specifically: the connecting plate 23 is slidably connected to the groove 20, and the setting of the connecting plate 23 plays a connecting role.

[0035] In this embodiment, specifically: a mounting hole is opened on the top inner wall of the cavity 8, a bearing is fixedly connected to the inner wall of the mounting hole, the inner side of the inner ring of the bearing is welded to the outer side of the corresponding rotating shaft 9, and the bearing and the rotating shaft 9 are fixed more securely by welding.

[0036] The working process of the plugging device for a gas pipeline under pressure without stopping transmission in the present embodiment is as follows: when in use, the lower part 2 of the three-way saddle, the upper part 3 of the three-way saddle and the pipeline 25 are in a separated state, and the second knob 22 is turned, and the second knob 22 drives the corresponding screw rod 21 to rotate, and the screw rod 21 drives the corresponding connecting plate 23 to move, and the connecting plate 23 drives the corresponding clamping plate 24 to move, and under the action of the opposite direction of the thread rotation, the two clamping plates 24 move in a direction close to each other, and the lower part 2 of the three-way saddle is fixed to the pipeline 25 through the clamping plate 24, and then the upper part 3 of the three-way saddle is inserted into the corresponding connecting rod 5 through the square hole 18, when the bottom of the upper part 3 of the three-way saddle is connected to the top of the lower part 2 of the three-way saddle When in contact, the first knob 10 is turned, and the first knob 10 drives the corresponding first gear 11 to rotate through the rotating shaft 9, and the first gear 11 drives the meshing second gear 14 to rotate, and the second gear 14 drives the corresponding screw rod 13 to rotate, and the screw rod 13 drives the corresponding clamping rod 15 to move, and the clamping rod 15 is limited by the L-shaped rod 16, so that the clamping rod 15 is clamped with the corresponding clamping groove 6 on the connecting rod 5, thereby fixing the lower part 2 of the three-way saddle and the upper part 3 of the three-way saddle. The operation is simple and convenient, and there will be no uneven force phenomenon. Then the user can weld the pipeline 25, the lower part 2 of the three-way saddle and the upper part 3 of the three-way saddle, and the sealing operation can be performed after the welding is completed.

[0037] Obviously, the above embodiments are merely examples for clear explanation, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the protection scope of this innovative technical solution.

Claims

1. A gas pipeline plugging device with continuous transmission under pressure, characterized in that: The invention comprises a fixing assembly (1), wherein the fixing assembly (1) comprises a three-way saddle lower part (2), a three-way saddle upper part (3), a support plate (4), a connecting rod (5), a clamping groove (6), a fixing plate (7), a cavity (8), a rotating shaft (9), a first knob (10), a first gear (11), a block (12), a screw rod (13), a second gear (14), and a clamping rod (15); A tee saddle upper part (3) is provided on the top of the tee saddle lower part (2), a pipeline (25) is provided between the tee saddle upper part (3) and the tee saddle lower part (2), support plates (4) are fixedly connected to both sides of the tee saddle lower part (2), two connecting rods (5) are fixedly connected to the top of the support plate (4), a clamping groove (6) is provided on one side of the connecting rod (5), a fixing plate (7) is fixedly connected to both sides of the tee saddle upper part (3), a cavity (8) is provided on the fixing plate (7), a rotating shaft (9) is rotatably connected to the inner wall of the top of the cavity (8), and the rotating shaft (9) is rotatably connected to the inner wall of the top of the cavity (8). The top end of the shaft (9) extends to the top of the corresponding fixed plate (7) and is fixedly connected to a first knob (10); the bottom end of the rotating shaft (9) is fixedly connected to a first gear (11); two blocks (12) are fixedly connected to the bottom inner wall of the cavity (8); a screw rod (13) is rotatably connected to the block (12); a second gear (14) is fixedly connected to the end of the screw rod (13); the second gear (14) is meshed with the corresponding first gear (11); a clamping rod (15) is threadedly connected to the screw rod (13); and the clamping rod (15) is clamped with the corresponding clamping groove (6).

2. The gas pipeline pressure-continuous transmission plugging device according to claim 1 is characterized in that: A sliding groove (17) is provided on the top of the clamping rod (15), an L-shaped rod (16) is fixedly connected to one side of the block (12), and the L-shaped rod (16) is slidably connected to the corresponding sliding groove (17).

3. The gas pipeline pressure-continuous transmission plugging device according to claim 1 is characterized in that: Two square holes (18) are provided on the inner wall of the bottom of the cavity (8), and the inner walls of the square holes (18) do not contact the outer sides of the corresponding connecting rods (5).

4. The gas pipeline pressure-continuous transmission plugging device according to claim 1 is characterized in that: A clamping assembly (19) is provided on one side of the fixing assembly (1), and the clamping assembly (19) comprises a groove (20), a screw rod (21), and a second knob (22); A groove (20) is provided at the top of the support plate (4), and screw rods (21) are rotatably connected to inner walls on both sides of the groove (20), and an end of one of the two screw rods (21) on the same side extends to the outside of the corresponding support plate (4) and is fixedly connected to a second knob (22).

5. The gas pipeline pressure-continuous transmission plugging device according to claim 4 is characterized in that: The ends of the two screw rods (21) that are close to each other are fixedly connected, and the threads of the two screw rods (21) have opposite rotation directions.

6. The gas pipeline pressure non-stop plugging device according to claim 4 is characterized in that: A connecting plate (23) is threadedly connected to the screw rod (21), a clamping plate (24) is fixedly connected to one side of the connecting plate (23), and the clamping plate (24) is in movable contact with the pipeline (25).

7. The gas pipeline pressure-continuous transmission plugging device according to claim 6 is characterized in that: The connecting plate (23) is slidably connected to the groove (20).

8. The gas pipeline plugging device according to claim 1 is characterized in that: A mounting hole is provided on the top inner wall of the cavity (8), a bearing is fixedly connected to the inner wall of the mounting hole, and the inner side of the inner ring of the bearing is welded to the outer side of the corresponding rotating shaft (9).

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