Pipeline connecting structure for water conservancy and hydropower

By designing the drive mechanism and fastening components, the problem of uneven bolt torque in water conservancy and hydropower pipeline connections was solved, achieving efficient and stable pipeline connections and sealing, and preventing water leakage.

CN223855090UActive Publication Date: 2026-01-30HEILONGJIANG WATER CONSERVANCY NO 2 ENG CHU
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Patent Information

Application Number
CN202520151793.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In the connection of water conservancy and hydropower pipelines, it is difficult to accurately determine the bolt torque when connecting flanges, which may cause the torque of some bolts to exceed the range, resulting in flange deformation. The rubber sealing sheet cannot bear the pressure evenly, causing water leakage problems.

Method used

By employing a drive mechanism and fastening components, and through the cooperation of forward and reverse screws, gears, and teeth, precise pipe connections are achieved, ensuring uniform distribution of fastening rings and enhancing connection strength and sealing effect.

Benefits of technology

It improves the efficiency and sealing of pipe connections, prevents water leakage, and ensures the stable operation of the pipeline system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipeline connecting structure for water conservancy and hydropower. The pipeline connecting structure comprises a connecting sleeve. The fastening assembly can be effectively driven through the driving mechanism, the fastening assembly can be promoted to quickly complete pipeline connection operation, after two pipelines are connected in an inserted mode, the connection strength between the two pipelines can be further enhanced through the fastening assembly, and the problem that when water conservancy and hydropower pipeline connection operation is carried out, the fastening assembly cannot be used for fastening the pipelines is solved. In the prior art, pipelines are generally spliced in a flange plate connecting mode, however, in the bolt tightening process, torque borne by each bolt at present is often difficult to accurately determine, the torque of individual bolts is extremely likely to exceed a reasonable range, the bolts excessively extrude the flange plate, the flange plate is deformed, and the pipeline is not damaged. Therefore, the rubber sealing piece clamped in the flange plate cannot uniformly bear pressure, and finally water flow leakage is caused, and the connecting structure has the advantage of being convenient to connect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely is a pipeline connection structure for water conservancy and hydropower. BACKGROUND

[0002] In water conservancy and hydropower engineering, pipeline connection mainly has the following purposes, water conservancy and hydropower engineering involves a large number of water resource deployment and utilization, such as the water delivery pipeline of dam needs to deliver the water in reservoir to power station for power generation, or to irrigation area for farmland irrigation, through pipeline connection, can splice each independent pipeline section into a complete water delivery channel, ensure that water flow can continuously flow from water source to destination, avoid the situation that water flow interruption occurs, thereby meet the demand of water resource supply of each function of water conservancy and hydropower engineering, for example, in large irrigation engineering, the water delivery pipeline of several kilometers even tens of kilometers long relies on accurate pipeline connection, so that water can stably and continuously flow to vast farmland, guarantee the irrigation demand of crops, water conservancy and hydropower engineering often contains complex pipeline system, these pipelines are connected to each other and constitute a huge network, through pipeline connection, can organically combine the pipelines of different materials and different diameters together, form a stable whole, for example, in dam engineering, various types of pipelines such as water delivery pipeline and flood discharge pipeline need to be connected to each other, and jointly constitute the water conservancy hub system of dam, the stable pipeline connection can ensure that the entire pipeline network will not appear pipeline loosening, disconnection and other conditions when bearing the impact force, pressure and possible earthquake and other external forces of water flow, guarantee the stable operation of engineering system.

[0003] The prior art scheme has the following defects: when carrying out water conservancy and hydropower pipeline connection operation, usually the flange plate connection mode is selected to splice the pipeline, however, in the process of tightening the bolt, it is difficult to accurately determine the torque size borne by each bolt at the moment, so that the torque of individual bolt is easy to exceed the reasonable range, thereby causing the bolt to excessively extrude the flange plate, so that the deformation condition occurs, which leads to the rubber sealing sheet clamped in the flange plate cannot uniformly bear the pressure, finally causes the water leakage problem. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the purpose of the utility model is to provide a pipeline connection structure for water conservancy and hydropower, which has the advantage of convenient connection, solves the problem that when carrying out water conservancy and hydropower pipeline connection operation, usually the flange plate connection mode is selected to splice the pipeline, however, in the process of tightening the bolt, it is difficult to accurately determine the torque size borne by each bolt at the moment, so that the torque of individual bolt is easy to exceed the reasonable range, thereby causing the bolt to excessively extrude the flange plate, so that the deformation condition occurs, which leads to the rubber sealing sheet clamped in the flange plate cannot uniformly bear the pressure, finally causes the water leakage problem.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a pipeline connecting structure for water conservancy and hydropower, connecting sleeve is connected with pipeline on the left side and the right side, the surface of pipeline is fixedly connected with connecting ring, the surface of connecting sleeve is fixedly sleeved with mounting seat, the number of mounting seat is four, the outside of connecting sleeve is provided with driving mechanism, the outside of connecting sleeve is provided with fastening assembly.

[0006] As the utility model prefers, the driving mechanism includes positive and negative screw rod, the number of positive and negative screw rod is four, the outside of positive and negative screw rod is rotatably connected with the inside of mounting seat, the surface of positive and negative screw rod is fixedly sleeved with gear, the outside of gear is provided with circular ring, the inside of circular ring is fixedly connected with the outside of mounting seat, the outside of circular ring is rotatably connected with driving sleeve, the inside of driving sleeve is fixedly connected with tooth, the inside of tooth is engaged with the outside of gear.

[0007] As the utility model prefers, the fastening assembly includes mounting block, the number of mounting block is two groups, the inside of mounting block is threadedly connected with the inside of positive and negative screw rod, the inside of mounting block is fixedly connected with fastening ring, the inner wall of fastening ring is slidably sleeved with the outside of pipeline.

[0008] As the utility model prefers, the outside of mounting seat is fixedly connected with limit plate, and the limit plate is located on the inside of mounting block.

[0009] As the utility model prefers, the inside of connecting ring is provided with recess, and the recess is located on the outside of connecting sleeve.

[0010] As the utility model prefers, the outside of connecting sleeve is fixedly connected with protruding ring, and the protruding ring is connected with the inside of recess.

[0011] As the utility model prefers, the outside of pipeline is provided with protective shell, and the inside of protective shell is connected with the outside of positive and negative screw rod.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a drive mechanism can effectively drive fastening assembly, make fastening assembly can complete the connection work of pipeline rapidly, through the use of fastening assembly, after the insertion of two pipelines is completed, the connection strength between the two can be further strengthened, when carrying out water conservancy pipeline connection work, the flange connection mode is usually selected to splice the pipeline, however, in the process of tightening bolt, it is difficult to accurately determine the torque size that each bolt bears at the moment, and the torque of individual bolt is easy to exceed the reasonable range, thereby causing the bolt to excessively extrude the flange, and the rubber sealing sheet in the flange cannot uniformly bear pressure, finally causing water leakage problem, which has the advantage of convenient connection.

[0014] 2. The utility model discloses a drive mechanism is set up, through the rotation drive cover, through the tooth inside fixed connection of drive cover and drive the rotation of the gear meshed with it, and then the positive and negative screw rod is driven to rotate by the gear, during the rotation of positive and negative screw rod, will promote two groups of mounting block relative displacement movement, when the mounting block moves, can drive fastening ring slip on the surface of pipeline, so that fastening ring moves towards the position of connecting ring, until the connecting ring and the protruding ring contact each other, to realize the connection of pipeline, improve the connection efficiency of pipeline. DRAWINGS

[0015] Figure 1 It is the structural diagram of the utility model;

[0016] Figure 2 It is the half cutaway view of the protective shell of the utility model;

[0017] Figure 3 It is the half cutaway view of the drive cover of the utility model;

[0018] Figure 4 It is the perspective view of the pipeline of the utility model.

[0019] In the drawing: 1, connecting sleeve;2, pipeline;3, connecting ring;4, mounting seat;5, drive mechanism;51, positive and negative screw rod;52, gear;53, ring;54, drive cover;55, tooth;6, fastening assembly;61, mounting block;62, fastening ring;7, limit plate;8, recess;9, protruding ring;10, protective shell. CONCRETE IMPLEMENTATION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] As shown in Figures 1 to 4 , the utility model provides a pipeline connecting structure for water conservancy and hydropower, including the connecting sleeve 1, the left side and the right side of connecting sleeve 1 are insertedly connected with pipeline 2, the surface of pipeline 2 is fixedly connected with connecting ring 3, the surface of connecting sleeve 1 is fixedly sleeved with mounting seat 4, the number of mounting seat 4 is four, the outside of connecting sleeve 1 is provided with drive mechanism 5, the outside of connecting sleeve 1 is provided with fastening assembly 6.

[0022] As shown in Figure 3 , drive mechanism 5 includes positive and negative screw 51, the number of positive and negative screw 51 is four, the outside of positive and negative screw 51 is rotatably connected with the inside of mounting seat 4, the surface of positive and negative screw 51 is fixedly sleeved with gear 52, the outside of gear 52 is provided with circular ring 53, the inside of circular ring 53 is fixedly connected with the outside of mounting seat 4, the outside of circular ring 53 is rotatably connected with drive sleeve 54, the inside of drive sleeve 54 is fixedly connected with tooth 55, the inside of tooth 55 is engaged with the outside of gear 52.

[0023] As a technical optimization scheme of the utility model, by setting drive mechanism 5, by rotating drive sleeve 54, by the tooth 55 fixedly connected in the inside of drive sleeve 54 drive the gear 52 engaged with it to rotate, and then by gear 52 drive positive and negative screw 51 to rotate, in the process of positive and negative screw 51 rotation, will make two groups of mounting block 61 relative displacement movement, when mounting block 61 moves, fastening ring 62 can be driven to slip on the surface of pipeline 2, so that fastening ring 62 moves towards the position where connecting ring 3 is, until connecting ring 3 and protruding ring 9 contact each other, to realize the connection of pipeline 2, improve the connection efficiency of pipeline 2.

[0024] As shown in Figure 2 , fastening assembly 6 includes mounting block 61, the number of mounting block 61 is two groups, the inside of mounting block 61 is threadedly connected with the inside of positive and negative screw 51, the inside of mounting block 61 is fixedly connected with fastening ring 62, the inner wall of fastening ring 62 is slidably sleeved with the outside of pipeline 2.

[0025] As a technical optimization scheme of the utility model, through setting fastening assembly 6, can be fastened ring 62 set in the surface of pipeline 2, after making it and positive and negative screw rod 51 are connected, in this way, fastened ring 62 can drive connecting ring 3 to the position of protruding ring 9 moves, further to the sealing effect of pipeline 2, to this enhances the connecting strength of pipeline 2.

[0026] Reference Figure 3 The outer side of mounting seat 4 is fixedly connected with limiting plate 7, and the limiting plate 7 is located on the inner side of mounting block 61.

[0027] As a technical optimization scheme of the utility model, through setting limiting plate 7, when fastened ring 62 is in movement, once fastened ring 62 contacts limiting plate 7, the excessive displacement of fastened ring 62 can be effectively prevented.

[0028] Reference Figure 4 The inner side of connecting ring 3 is provided with recess 8, and the recess 8 is located on the outer side of connecting sleeve 1.

[0029] As a technical optimization scheme of the utility model, through setting recess 8, when connecting ring 3 and protruding ring 9 are inserted, by adding sealing glue into recess 8, the sealing effect of pipeline 2 can be further enhanced.

[0030] Reference Figure 3 The outer side of connecting sleeve 1 is fixedly connected with protruding ring 9, and the protruding ring 9 is insertedly connected with the inner side of recess 8.

[0031] As a technical optimization scheme of the utility model, through setting protruding ring 9, in the process of inserting protruding ring 9 and connecting ring 3, the guiding effect can be realized for connecting ring 3, and the inserting action is more accurate and smooth.

[0032] Reference Figure 2 The outer side of pipeline 2 is provided with protective shell 10, and the inner side of protective shell 10 is insertedly connected with the outer side of positive and negative screw rod 51.

[0033] As a technical optimization scheme of the utility model, through setting protective shell 10, the protection of positive and negative screw rod 51 can be provided, and the damage of positive and negative screw rod 51 can be avoided.

[0034] The working principle and use process of the utility model: in use, first, the fastening ring 62 and the protective shell 10 are respectively sleeved on the surface of the pipeline 2, then, two pipelines 2 are inserted into the connecting sleeve 1, at the same time, the installation block 61 is pushed to be opposite to the reversible screw rod 51, then, the driving sleeve 54 is rotated, the gear 52 engaged with the driving sleeve 54 is driven to rotate, the reversible screw rod 51 is driven to rotate by the gear 52, during the rotation of the reversible screw rod 51, the two installation blocks 61 are relatively displaced, when the installation block 61 moves, the fastening ring 62 can slide on the surface of the pipeline 2, so that the fastening ring 62 moves to the position of the connecting ring 3, until the connecting ring 3 contacts with the protruding ring 9, so that the pipeline 2 is connected, finally, the two protective shells 10 are moved to the opposite direction, until the protective shell 10 is inserted into the outside of the reversible screw rod 51.

[0035] In summary: the pipeline connecting structure for water conservancy and hydropower, through the cooperation of the connecting sleeve 1, the pipeline 2, the connecting ring 3, the mounting seat 4, the driving mechanism 5 and the fastening assembly 6, the flange plate connection mode is usually selected to splice the pipeline during the water conservancy and hydropower pipeline connection operation, however, during the tightening of the bolt, it is difficult to accurately determine the torque size of each bolt at the moment, so that the torque of individual bolts is easy to exceed the reasonable range, thereby causing the bolt to excessively extrude the flange plate, so that the deformation occurs, which causes the rubber sealing sheet clamped in the flange plate to be unable to uniformly bear the pressure, finally, the water leakage problem is caused.

[0036] It should be noted that, in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pipeline connecting structure for water conservancy and hydropower, comprising a connecting sleeve (1), characterized in that: The left side and the right side of the connecting sleeve (1) are connected with pipes (2) through plug-in connection, the surface of the pipe (2) is fixedly connected with a connecting ring (3), the surface of the connecting sleeve (1) is fixedly sleeved with a mounting seat (4), the number of the mounting seat (4) is four, the outer side of the connecting sleeve (1) is provided with a driving mechanism (5), and the outer side of the connecting sleeve (1) is provided with a fastening assembly (6).

2. A pipe connecting structure for water conservancy and hydropower as claimed in claim 1, characterized by: The driving mechanism (5) comprises positive and negative screws (51), the number of the positive and negative screws (51) is four, the outer side of the positive and negative screws (51) is rotatably connected with the inside of the mounting seat (4), the surface of the positive and negative screws (51) is fixedly sleeved with a gear (52), the outer side of the gear (52) is provided with a circular ring (53), the inside of the circular ring (53) is fixedly connected with the outer side of the mounting seat (4), the outer side of the circular ring (53) is rotatably connected with a driving sleeve (54), the inside of the driving sleeve (54) is fixedly connected with a tooth (55), and the inside of the tooth (55) is engaged with the outer side of the gear (52).

3. A pipe connecting structure for water conservancy and hydropower as claimed in claim 2, characterized by: The fastening assembly (6) comprises mounting blocks (61), the number of the mounting blocks (61) is two groups, the inside of the mounting block (61) is threadedly connected with the inside of the positive and negative screw (51), the inside of the mounting block (61) is fixedly connected with a fastening ring (62), and the inner wall of the fastening ring (62) is slidably sleeved with the outer side of the pipe (2).

4. A pipe connecting structure for water conservancy and hydropower as claimed in claim 3, characterized by: The outer side of the mounting seat (4) is fixedly connected with a limiting plate (7), and the limiting plate (7) is located on the inside of the mounting block (61).

5. The pipe connection structure for water conservancy and hydropower as claimed in claim 1, characterized in that: The inside of the connecting ring (3) is provided with a groove (8), and the groove (8) is located on the outer side of the connecting sleeve (1).

6. A pipe connection structure for water conservancy and hydropower as claimed in claim 5, characterized by: The outer side of the connecting sleeve (1) is fixedly connected with a protruding ring (9), and the protruding ring (9) is connected with the inside of the groove (8) through plug-in connection.

7. A pipe connecting structure for water conservancy and hydropower as set forth in claim 2, characterized by: The outer side of the pipe (2) is provided with a protective shell (10), and the inside of the protective shell (10) is connected with the outer side of the positive and negative screw (51) through plug-in connection.