Water conservancy and hydropower construction pipeline fastening device

Abstract

The utility model is suitable for the technical field of water conservancy and hydropower, and provides a water conservancy and hydropower construction pipeline fastening device. A difference tube; the conical inner barrels are symmetrically arranged in the middle of the differential pipe; the sealing ring and the positioning ring are symmetrically arranged at the front end and the rear end of the differential pipe from inside to outside; and the positioning structure is arranged on the surface of the positioning ring. Compared with the prior art, the differential pipe has the advantages that when the differential pipe is used, the conical inner cylinder is arranged in the differential pipe, so that pipelines with different diameters can be conveniently connected with the differential pipe in an inserted mode, the positioning structure is arranged to fix the pipelines with the different diameters, the pipelines are not prone to being separated from the differential pipe, the pipelines can be centered, inclined insertion is avoided, and the safety performance of the differential pipe is improved. And a large gap is formed, so that the use effect is influenced.

Description

Technical Field

[0001] This utility model belongs to the field of water conservancy and hydropower technology, and in particular relates to a fastening device for water conservancy and hydropower construction pipelines. Background Technology

[0002] Water conservancy and hydropower construction involves multiple disciplines such as civil engineering, electromechanical engineering, and hydraulic engineering. It requires strict construction organization and management and quality control to ensure the safety, reliability, and economy of the project.

[0003] During water conservancy and hydropower construction, lines and pipelines for transmitting electricity and water are set up. When connecting pipelines, it is sometimes necessary to connect pipes of different diameters. In this case, differential pipes are needed for auxiliary connection. However, since traditional differential pipes are cylindrical with fixed sizes at both ends, multiple differential pipes need to be ordered to meet the connection requirements when connecting pipes of different diameters. This is not only troublesome, but also requires a lot of capital investment.

[0004] Therefore, how to provide a fastening device for pipelines in water conservancy and hydropower construction is a problem that urgently needs to be solved by those skilled in the art. When connecting and fastening pipelines, Utility Model Content

[0005] The purpose of this utility model is to provide a fastening device for water conservancy and hydropower construction pipelines, which aims to solve the problems mentioned in the background art.

[0006] This utility model is implemented as follows: a fastening device for water conservancy and hydropower construction pipelines, comprising;

[0007] Differential tube;

[0008] A conical inner cylinder, which is symmetrically opened in the middle of the differential tube;

[0009] A sealing ring and a positioning ring are symmetrically arranged from the inside to the outside at the front and rear ends of the differential tube.

[0010] A positioning structure is disposed on the surface of a positioning ring.

[0011] Preferably, the sealing ring has a sealing structure inside, the sealing structure including an expansion airbag and a sealing airbag, the expansion airbag is disposed at the outer end of the sealing ring, the sealing airbag is slidably disposed inside the sealing ring, and a valve core is fixedly installed on the top of the expansion airbag, and the top end is inserted into the surface of the sealing ring.

[0012] Preferably, the positioning structure comprises an adjusting inner tooth ring, a receiving groove and a lifting tooth plate, the inside of the positioning ring is provided with a movable groove, the outer end of the movable groove is circumferentially provided with a first driven gear roller, the adjusting inner tooth ring is slidably arranged on the outside of the positioning ring and is drivingly connected with the first driven gear roller on the inside, the receiving groove is circumferentially and symmetrically provided on the outer end of the positioning ring, the inside of the movable groove and the receiving groove is provided with a sliding groove, the lifting tooth plate is slidably arranged on the surface of the sliding groove and is fixedly provided with a positioning arc plate on the bottom, the inside of the left end of the lifting tooth plate is drivingly connected with a third driven gear roller, the inside of the right end of the lifting tooth plate is drivingly connected with a second driven gear roller, the second driven gear roller is drivingly connected with the first driven gear roller, and the third driven gear roller is drivingly connected with the first driven gear roller.

[0013] Preferably, the outside of the adjusting inner tooth ring is circumferentially provided with a protrusion, and the diameter value of the adjusting inner tooth ring is greater than that of the positioning ring.

[0014] Preferably, the positioning arc plate is made of rubber soft plate and is provided with a rough surface on the inside, and the curvature value of the positioning arc plate is adapted to that of the pipeline.

[0015] Preferably, the cross-sectional size of the lifting tooth plate is equal to that of the receiving groove, and the length value of the lifting tooth plate is equal to that of the receiving groove.

[0016] Preferably, the outer end of the conical inner cylinder is circumferentially provided with a circular truncated cone, and the diameter value increases from inside to outside.

[0017] Compared with the prior art, the utility model has the advantages that when in use, the conical inner cylinder is arranged in the difference pipe, so that the pipelines with different diameters can be conveniently inserted and connected, the positioning structure is arranged to fix the pipelines with different diameters, so that the pipelines are not easy to be separated from the difference pipe and can be centered, and the pipelines are not inserted obliquely, so that a large gap is not formed and the use effect is not affected.

[0018] Meanwhile, the sealing structure is arranged to seal and protect the pipelines inserted in the conical inner cylinder, so that foreign matters in the outside cannot enter the pipelines through the connecting gap, and the internal water is not polluted and the internal pipeline is not corroded. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model. In the drawings:

[0020] Figure 1 It is a whole appearance structure schematic view of the water conservancy and hydropower construction pipeline fastening device provided in the embodiments of the utility model;

[0021] Figure 2 A front view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model;

[0022] Figure 3 A left view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model;

[0023] Figure 4 A front view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model; Figure 2 A front view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model;

[0024] Figure 5 A front view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model. Figure 3 A front view cross section structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by the embodiment of the utility model.

[0025] In the drawing: 1-difference pipe, 2-positioning ring, 3-moving groove, 4-adjusting inner tooth ring, 5-first driven tooth roller, 6-receiving groove, 7-sliding groove, 8-lifting tooth plate, 9-positioning arc plate, 10-second driven tooth roller, 11-redirecting roller, 12-third driven tooth roller, 13-bump, 14-tapered inner cylinder, 15-valve core, 16-inflatable air bag, 17-sealing air bag, 18-sealing ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0027] The specific implementation of the utility model will be described in detail in combination with specific embodiments.

[0028] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a structure schematic diagram of a water conservancy and hydropower construction pipeline fastening device provided by an embodiment of the utility model, comprising;

[0029] Difference pipe 1;

[0030] Tapered inner cylinder 14, tapered inner cylinder 14 is symmetrically arranged in the middle of difference pipe 1;

[0031] Sealing ring 18 and positioning ring 2, sealing ring 18 and positioning ring 2 are symmetrically arranged from inside to outside at the front and rear ends of difference pipe 1;

[0032] Positioning structure, the positioning structure is arranged on the surface of positioning ring 2.

[0033] In the embodiment of the utility model, when using, through setting the conical inner tube 14 in the difference pipe 1, and then the pipe with different diameters is inserted and connected with it, and the positioning structure is set, the pipe with different diameters is fixed, and then the pipe is not easy to separate from the difference pipe 1, and the pipe can be centered, avoiding oblique insertion, leading to the existence of a large gap, and the situation that the use effect is affected occurs.

[0034] As Figure 3 And Figure 5 As a preferred embodiment of the utility model, the inside of the sealing ring 18 is provided with a sealing structure, the sealing structure includes an inflation air bag 16 and a sealing air bag 17, the inflation air bag 16 is arranged at the outer end of the sealing ring 18, the sealing air bag 17 is slidably arranged in the inside of the sealing ring 18, the top of the inflation air bag 16 is fixedly installed with a valve core 15, and the top end is inserted and connected with the surface of the sealing ring 18.

[0035] In the embodiment of the utility model, when using, the inflation air bag 16 at the upper end of the sealing ring 18 is inflated through the valve core 15, and then the sealing air bag 17 in the sealing ring 18 is pressed, and then the sealing air bag 17 moves downward along the sealing ring 18 until it contacts the surface of the pipe;

[0036] By setting the sealing structure, the part of the pipe inserted into the conical inner tube 14 is sealed and isolated, so that foreign matters in the outside do not enter the pipe through the connection gap, and the internal water is not polluted or the line is not corroded.

[0037] As Figure 1 , Figure 2 And Figure 4 As a preferred embodiment of the utility model, the positioning structure includes an adjusting inner tooth ring 4, a receiving groove 6 and a lifting tooth plate 8, the inside of the positioning ring 2 is provided with a movable groove 3, the outer end of the movable groove 3 is circumferentially arranged with a first driven gear roller 5, the adjusting inner tooth ring 4 is slidably arranged on the outside of the positioning ring 2, and the inside is in transmission connection with the first driven gear roller 5, the receiving groove 6 is circumferentially and symmetrically arranged on the outer end of the positioning ring 2, the inside of the movable groove 3 and the receiving groove 6 is provided with a sliding groove 7, the lifting tooth plate 8 is slidably arranged on the surface of the sliding groove 7, and the bottom is fixedly installed with a positioning arc plate 9, the inside of the left end lifting tooth plate 8 is in transmission connection with a third driven gear roller 12, the inside of the right end lifting tooth plate 8 is in transmission connection with a second driven gear roller 10, the second driven gear roller 10 is in transmission connection with the first driven gear roller 5, and the third driven gear roller 12 and the first driven gear roller 5 are provided with a steering roller 11.

[0038] In the embodiment of the utility model, when using, through the convex block 13 rotation one end's positioning ring 2 surface adjustment inner tooth ring 4, then make its inside first driven gear roller 5 carry out rotation, will drive the second driven gear roller 10 in movable slot 3 rotation, and through the steering roller 11 drive third driven gear roller 12 carry out rotation, make both sides slide groove 7 in lifting toothed plate 8 synchronous lifting, then through the positioning arc plate 9 of lifting toothed plate 8 bottom and pipeline surface abutment;

[0039] By setting the positioning structure, the working height of the positioning arc plate 9 can be adjusted, and then various diameter pipes can be clamped and fixed.

[0040] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , as a preferred embodiment of the utility model, the outer circumferential array of the adjustment inner tooth ring 4 is provided with convex blocks 13, and the diameter value of the adjustment inner tooth ring 4 is greater than the diameter value of the positioning ring 2.

[0041] In the embodiment of the utility model, when using, through the convex block 13 rotation one end's positioning ring 2 surface adjustment inner tooth ring 4, then make its inside first driven gear roller 5 carry out rotation, will drive the second driven gear roller 10 in movable slot 3 rotation, and through the steering roller 11 drive third driven gear roller 12 carry out rotation, make both sides slide groove 7 in lifting toothed plate 8 synchronous lifting, then through the positioning arc plate 9 of lifting toothed plate 8 bottom and pipeline surface abutment;

[0042] As shown in Figure 2 and Figure 4 , as a preferred embodiment of the utility model, the positioning arc plate 9 is made of rubber soft plate, and the inner side is provided with a rough surface, and the curvature value of the positioning arc plate 9 is adapted to the curvature value of the pipeline.

[0043] In the embodiment of the utility model, when using, through the convex block 13 rotation one end's positioning ring 2 surface adjustment inner tooth ring 4, then make its inside first driven gear roller 5 carry out rotation, will drive the second driven gear roller 10 in movable slot 3 rotation, and through the steering roller 11 drive third driven gear roller 12 carry out rotation, make both sides slide groove 7 in lifting toothed plate 8 synchronous lifting, then through the positioning arc plate 9 of lifting toothed plate 8 bottom and pipeline surface abutment;

[0044] As shown in Figure 2 and Figure 4 , as a preferred embodiment of the utility model, the cross-sectional size of the lifting toothed plate 8 is equal to the cross-sectional size of the receiving groove 6, and the length value of the lifting toothed plate 8 is equal to the length value of the receiving groove 6.

[0045] In the embodiment of the utility model, when using, through the convex block 13 rotation one end's positioning ring 2 surface adjustment inner tooth ring 4, then make its inside first driven gear roller 5 carry out rotation, will drive the second driven gear roller 10 in movable slot 3 rotation, and through the steering roller 11 drive third driven gear roller 12 carry out rotation, make both sides slide groove 7 in lifting toothed plate 8 synchronous lifting, then through the positioning arc plate 9 of lifting toothed plate 8 bottom and pipeline surface abutment;

[0046] As shown inFigure 3 As shown in the preferred embodiment of the utility model, the outer end of the conical inner cylinder 14 is provided with a circular table, and the diameter value increases from inside to outside.

[0047] In the embodiment of the utility model, when in use, the outer end of the conical inner cylinder 14 is provided with a circular table, and the diameter value increases from inside to outside, thereby facilitating the insertion of multiple diameter pipes, and facilitating the connection between pipes of different diameters.

[0048] In the above embodiment of the utility model, when in use, the pipe is inserted into one end of the conical inner cylinder 14 in the middle of the differential pipe 1 through the positioning ring 2, until one end of the pipe is completely in contact with the conical inner cylinder 14.

[0049] Then the adjusting inner gear ring 4 on the surface of the positioning ring 2 at one end is rotated through the protruding block 13, and then the first driven gear roller 5 on the inner side is rotated.

[0050] When the first driven gear roller 5 rotates, the second driven gear roller 10 in the movable groove 3 is driven to rotate, and the third driven gear roller 12 is driven to rotate through the steering roller 11, so that the lifting tooth plate 8 in the sliding groove 7 on both sides is synchronously lifted, and then the positioning arc plate 9 at the bottom of the lifting tooth plate 8 is in contact with the surface of the pipe, so that the position of the pipe is fixed.

[0051] Then the inflation gas bag 16 on the upper end of the sealing ring 18 is inflated through the valve core 15, and then the sealing gas bag 17 in the sealing ring 18 is pressed, and then the sealing gas bag 17 moves downward along the sealing ring 18 until it is in contact with the surface of the pipe, so that the part of the pipe inserted into the conical inner cylinder 14 is sealed and isolated, so that foreign matters in the outside enter through the pipe connection gap, and the internal water is polluted or the line is corroded.

[0052] Similarly, the other pipe is inserted into the other end of the conical inner cylinder 14, and the above fixing and sealing process is repeated, so that the connection work of the pipe and the differential pipe 1 is completed.

[0053] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pipeline fastening device for hydroelectric construction, characterized in that, The utility model relates to a kind of pipe positioning device, including; Difference pipe (1); Conical inner cylinder (14) is opened symmetrically in the middle of difference pipe (1); Sealing ring (18) and positioning ring (2) are symmetrically arranged from inside to outside at the front and rear ends of difference pipe (1); Positioning structure is arranged on the surface of positioning ring (2).

2. The pipeline fastening device for water conservancy and hydropower construction according to claim 1, characterized in that, The inside of the sealing ring (18) is provided with a sealing structure, which comprises an inflatable air bag (16) and a sealing air bag (17), the inflatable air bag (16) is arranged at the outer end of the sealing ring (18), the sealing air bag (17) is slidably arranged inside the sealing ring (18), the top of the inflatable air bag (16) is fixedly installed with a valve core (15), and the top end is inserted into the surface of the sealing ring (18).

3. The pipeline fastening device for water conservancy and hydropower construction according to claim 1, characterized in that, The positioning structure comprises an adjusting inner tooth ring (4), a receiving groove (6) and a lifting tooth plate (8), the inside of the positioning ring (2) is provided with a movable groove (3), the outer end of the movable groove (3) is arranged in a circular array with a first driven gear roller (5), the adjusting inner tooth ring (4) is slidably arranged outside the positioning ring (2), and the inside is drivingly connected with the first driven gear roller (5), the receiving groove (6) is symmetrically arranged in a circular array at the outer end of the positioning ring (2), the inside of the movable groove (3) and the receiving groove (6) is provided with a sliding groove (7), the lifting tooth plate (8) is slidably arranged on the surface of the sliding groove (7), and the bottom is fixedly installed with a positioning arc plate (9), the inside of the left end of the lifting tooth plate (8) is drivingly connected with a third driven gear roller (12), the inside of the right end of the lifting tooth plate (8) is drivingly connected with a second driven gear roller (10), the second driven gear roller (10) is drivingly connected with the first driven gear roller (5), and the third driven gear roller (12) is drivingly connected with the first driven gear roller (5) between the first driven gear roller (5).

4. The pipeline fastening device for water conservancy and hydropower construction according to claim 3, characterized in that, The outside of the adjusting inner tooth ring (4) is circumferentially installed with a protrusion (13), and the diameter value of the adjusting inner tooth ring (4) is greater than the diameter value of the positioning ring (2).

5. The pipeline fastening device for water conservancy and hydropower construction according to claim 3, characterized in that, The positioning arc plate (9) is made of rubber soft plate, and the inside is provided with a rough surface, and the curvature value of the positioning arc plate (9) is matched with the curvature value of the pipeline.

6. The pipeline fastening device for water conservancy and hydropower construction of claim 3, characterized in that, The cross-sectional size of the lifting tooth plate (8) is equal to the cross-sectional size of the receiving groove (6), and the length value of the lifting tooth plate (8) is equal to the length value of the receiving groove (6).

7. The pipeline fastening device for hydroelectric construction of claim 1, wherein The outer end of the conical inner cylinder (14) is arranged in a circular array, and the diameter value increases from inside to outside in sequence.

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