Hydraulic engineering pipeline connecting device

Abstract

The utility model discloses a hydraulic engineering pipeline connecting device, which relates to the technical field of hydraulic engineering equipment, and comprises two flange plates, arc-shaped movable grooves, an inner pipe, an outer pipe and a plurality of balls, the sides of the two flange plates close to each other are connected with lantern rings, the inner sides of the lantern rings are provided with the arc-shaped movable grooves, the inner pipe corresponds to one lantern ring, and the outer pipe corresponds to the other lantern ring. The inner pipe corresponds to one lantern ring, the outer pipe corresponds to the other lantern ring, the end of the inner pipe and the end of the outer pipe are both movably connected with a plurality of balls, the balls move in the corresponding arc-shaped movable grooves, and the inner pipe and the outer pipe are both movably connected with the corresponding lantern rings through the balls. According to the utility model, the balls on the inner pipe and the outer pipe roll in the corresponding arc-shaped movable grooves, so that the telescopic structure formed by the inner pipe and the outer pipe can do multidirectional movement between the two lantern rings, and further, the device not only has axial displacement, but also has certain displacement in multiple directions; therefore, the two sections of water conservancy pipelines can have multi-directional and multi-angle displacement to cope with the influence of geological disturbance.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy equipment, in particular to a water conservancy engineering pipeline connecting device. Background Art

[0002] Water conservancy projects refer to various projects built to control, regulate and utilize natural surface water and groundwater in order to achieve the purpose of eliminating harm and promoting benefits. They mainly include: flood control projects that focus on preventing flood disasters; farmland water conservancy projects that serve agricultural production to prevent drought and waterlogging, or are called irrigation and drainage projects; hydropower generation projects that use water energy to convert into electrical energy; waterway and port projects to improve and create shipping conditions; urban water supply and drainage projects that serve industrial and domestic water use and treat and remove sewage and rainwater.

[0003] Water supply pipelines are very important equipment in water conservancy projects. They are usually buried underground. Two sections of water conservancy pipelines are connected by flanges. However, the underground conditions are very complicated. Geological disturbances have a great impact on the pipelines, causing multi-angle displacements of the pipelines. In order to deal with this problem, most of the current connections use telescopic flanges. However, the current mature telescopic flange devices can only be used for axial displacement, but not for displacement in other directions. Utility Model Content

[0004] In view of the above problems, the utility model provides a water conservancy project pipeline connection device, which not only has an axial displacement, but also has a certain displacement in multiple directions, so that two sections of water conservancy pipelines can have multi-directional and multi-angle displacements to cope with the influence of geological disturbances.

[0005] The technical solution adopted to solve the above technical problems is: a water conservancy project pipeline connection device, including two flanges, an arc-shaped movable groove, an inner tube, an outer tube and a plurality of balls. The two flanges are connected to a collar on one side close to each other, and an arc-shaped movable groove is provided on the inner side of the collar. The inner tube corresponds to one of the collars, and the outer tube corresponds to the other collar. The outer tube is sleeved on the inner tube, and the outer tube is slidably connected to the inner tube. The ends of the inner tube and the outer tube are both movably connected with a plurality of balls, and the balls move in the corresponding arc-shaped movable grooves. The inner tube and the outer tube are movably connected to the corresponding collars through the balls.

[0006] Furthermore, it also includes a bellows expansion tube, a first end of the bellows expansion tube is connected to one of the flanges, and a second end of the bellows expansion tube is connected to the other flange.

[0007] Furthermore, it also includes two compression rings, both of which are sleeved on the bellows expansion tube, and the two compression rings are respectively located at two ends of the bellows expansion tube, and the compression rings are connected to corresponding flanges through bolts.

[0008] Furthermore, it also includes two docking rings, the two docking rings correspond to the two flanges one by one, the docking rings are coaxially fixedly connected to the flanges, and the docking rings are provided with inclined surfaces.

[0009] Furthermore, it also includes two sealing rings, which correspond to the docking ring one by one, and the sealing ring is sleeved on the docking ring.

[0010] The beneficial effects of the utility model are as follows: the utility model is connected to two sections of pipelines respectively through two flanges, and through the inner tube and the outer tube, the inner tube can slide in the outer tube, so that the connecting device has an axial displacement, and the balls on the inner tube and the outer tube roll in the corresponding arc-shaped movable grooves, so that the telescopic structure composed of the inner tube and the outer tube can make multi-directional movements between the two rings, so that the device not only has an axial displacement, but also has a certain displacement in multiple directions, so that the two sections of water conservancy pipelines can have multi-directional and multi-angle displacements to cope with the influence of geological disturbances. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the sleeve ring structure of the utility model.

[0013] Figure 3 This is a schematic diagram of the ball position of the utility model.

[0014] Figure 4 It is an internal cross-sectional view of the sleeve ring of the present invention.

[0015] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle.

[0016] Figure 6 This is a schematic diagram of the position of the pressure ring of the utility model.

[0017] Figure numerals: 1. flange; 2. sleeve ring; 3. arc-shaped movable groove; 4. inner tube; 5. outer tube; 6. ball; 7. corrugated expansion tube; 8. pressure ring; 9. bolt; 10. docking ring; 11. sealing ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] like Figure 1-Figure 6 As shown, a water conservancy project pipeline connection device provided in this embodiment includes two flanges 1, an arc-shaped movable groove 3, an inner tube 4, an outer tube 5 and a plurality of balls 6. The two flanges 1 are connected to a collar 2 on one side close to each other, and an arc-shaped movable groove 3 is provided on the inner side of the collar 2. The inner tube 4 corresponds to one of the collars 2, and the outer tube 5 corresponds to the other collar 2. The outer tube 5 is sleeved on the inner tube 4, and the outer tube 5 is slidably connected to the inner tube 4. The ends of the inner tube 4 and the outer tube 5 are movably connected with a plurality of balls 6, and the balls 6 move in the corresponding arc-shaped movable grooves 3. The inner tube 4 and the outer tube 5 are movably connected to the corresponding collars 2 through the balls 6.

[0020] The utility model is connected with two sections of pipelines respectively through two flanges 1 provided, and the inner pipe 4 and the outer pipe 5 are provided, so that the inner pipe 4 can slide in the outer pipe 5, thereby making the connecting device have an axial displacement, and the balls 6 on the inner pipe 4 and the outer pipe 5 roll in the corresponding arc-shaped movable grooves 3, so that the telescopic structure composed of the inner pipe 4 and the outer pipe 5 can make multi-directional movements between the two collars 2, thereby making the device not only have an axial displacement, but also have a certain displacement in multiple directions, so that the two sections of water conservancy pipelines can have multi-directional and multi-angle displacements to cope with the influence of geological disturbances.

[0021] Specifically, it also includes a bellows expansion tube 7 , a first end of the bellows expansion tube 7 is connected to one of the flanges 1 , and a second end of the bellows expansion tube 7 is connected to the other flange 1 .

[0022] In the above embodiments, the bellows expansion tube 7 is used in conjunction with the inner tube 4 and the outer tube 5. The bellows expansion tube 7 is expandable and retractable and can be universally bent. The bellows expansion tube 7 has good pressure resistance.

[0023] Specifically, it also includes two pressing rings 8 , which are both sleeved on the bellows expansion tube 7 . The two pressing rings 8 are respectively located at the two ends of the bellows expansion tube 7 , and the pressing rings 8 are connected to the corresponding flange 1 through bolts 9 .

[0024] In the above embodiments, the connection between the bellows connection pipe and the flange 1 is achieved by means of a pressure ring 8 , and the pressure ring 8 enables the bellows connection pipe and the flange 1 to be stably sealed.

[0025] Specifically, it also includes two docking rings 10, the two docking rings 10 correspond to the two flanges 1 one by one, the docking rings 10 are coaxially fixedly connected to the flanges 1, and the docking rings 10 are arranged with inclined surfaces.

[0026] In the above embodiments, the docking ring 10 is connected to the corresponding pipe, and the docking ring 10 is inserted into the pipe. The inclined surface is provided to facilitate the insertion.

[0027] Specifically, it also includes two sealing rings 11 , which correspond to the docking ring 10 one by one, and the sealing rings 11 are sleeved on the docking ring 10 .

[0028] In the above embodiments, the sealing ring 11 improves the sealing effect between the pipeline and the flange 1 .

[0029] The working principle of the utility model is as follows: firstly, two flanges 1 are connected to two pipes respectively, a connecting ring 10 is inserted into the pipe, and a sealing ring 11 plays a sealing effect;

[0030] When the two sections of the pipeline generate axial displacement, the bellows expansion tube 7 expands and contracts, and the inner tube 4 slides in the outer tube 5 to cope with the axial displacement;

[0031] When the two sections of the pipeline are misaligned or have other angular displacements, the ball 6 rolls in the arc-shaped movable groove 3, so that the telescopic structure composed of the inner tube 4 and the outer tube 5 swings between the two rings 2, thereby coping with multi-directional displacements.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. A water conservancy project pipeline connection device, characterized in that: include: Two flanges (1) are connected with collars (2) on one side close to each other; An arc-shaped movable groove (3), wherein the inner side of the collar (2) is provided with an arc-shaped movable groove (3); An inner tube (4), corresponding to one of the collars (2); An outer tube (5), corresponding to the other sleeve ring (2), the outer tube (5) being sleeved on the inner tube (4), the outer tube (5) being slidably connected to the inner tube (4); A plurality of balls (6), wherein the end of the inner tube (4) and the end of the outer tube (5) are both movably connected with the plurality of balls (6); The balls (6) move in the corresponding arc-shaped movable grooves (3); The inner tube (4) and the outer tube (5) are movably connected to the corresponding sleeve ring (2) via a ball (6).

2. A water conservancy project pipeline connection device according to claim 1, characterized in that: Also includes: A bellows expansion tube (7), wherein a first end is connected to one of the flanges (1), and a second end of the bellows expansion tube (7) is connected to the other flange (1).

3. A water conservancy project pipeline connection device according to claim 2, characterized in that: Also includes: Two pressure rings (8), both sleeved on the bellows telescopic tube (7), the two pressure rings (8) being respectively located at two ends of the bellows telescopic tube (7); The pressure ring (8) is connected to the corresponding flange (1) via bolts (9).

4. A water conservancy project pipeline connection device according to claim 1, characterized in that: Also includes: Two docking rings (10), corresponding one to one with the two flanges (1), the docking rings (10) being coaxially fixedly connected to the flanges (1); The docking ring (10) is arranged with an inclined surface.

5. A water conservancy project pipeline connection device according to claim 4, characterized in that: Also includes: Two sealing rings (11) correspond one to one with the docking ring (10), and the sealing rings (11) are sleeved on the docking ring (10).

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