A leak-proof drainage pipe for water conservancy and hydropower engineering

Abstract

The utility model provides a leak-proof drainage pipe for water conservancy and hydropower engineering, including a first pipe, a second pipe and a sealing assembly, wherein the inner sides of the first pipe and the second pipe are both welded with a connecting plate, and the first pipe and the second pipe are tightly fitted through the connecting plate, and the sealing assembly includes a transmission box, and the left and right sides of the inner cavity of the transmission box are movably connected with threaded rods through bearings, and the outer side of the threaded rod is fixedly connected with a rotating shaft, and an adjusting knob is welded on the outer side of the rotating shaft, and the surface of the threaded rod is threadedly connected with a threaded sleeve. The rotating shaft is driven to rotate by turning the adjusting knob, and the rotating shaft drives the threaded rod to rotate. The threaded rod drives the threaded sleeve to move inward through the action of the thread, and the threaded sleeve drives the sealing ring to move inward through the connecting rod and is tightly fitted with the connecting plate, so as to seal the connection between the first pipe and the second pipe, avoid water leakage, and improve the overall service life.

Description

Technical Field

[0001] The utility model relates to a leak-proof drainage pipe for water conservancy and hydropower engineering, belonging to the technical field of water conservancy and hydropower engineering. Background Art

[0002] Water conservancy and hydropower engineering covers engineering fields such as water resource utilization, hydrology, hydraulics, hydraulic structures, and hydropower station construction. It includes reservoirs, hydropower stations, irrigation projects, flood control projects, etc. It is an important field of using hydropower energy for power generation and water resource management.

[0003] Drainage pipes are needed in water conservancy and hydropower projects. Existing drainage pipes usually require multiple pipes to be connected during the installation process. However, the sealing effect of the connection between the drainage pipes is not ideal, and water leakage may occur, affecting the normal use of the drainage pipes.

[0004] For this reason, a leak-proof drainage pipe for water conservancy and hydropower engineering is proposed. Utility Model Content

[0005] In view of this, the utility model provides a leak-proof drainage pipe for water conservancy and hydropower engineering to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a leak-proof drainage pipe for water conservancy and hydropower engineering, comprising a first pipe, a second pipe and a sealing component, the inner sides of the first pipe and the second pipe are welded with connecting plates, and the first pipe and the second pipe are tightly fitted through the connecting plates, the sealing component comprises a transmission box, the left and right sides of the inner cavity of the transmission box are movably connected with threaded rods through bearings, the outer side of the threaded rod is fixedly connected with a rotating shaft, the outer side of the rotating shaft is welded with an adjusting knob, the surface of the threaded rod is threadedly connected with a threaded sleeve, the top of the threaded sleeve is welded with a connecting rod, and one end of the connecting rod is welded with a sealing ring.

[0007] Further preferably, an annular groove is provided on the outer side of the connecting disk, and an annular block is welded on the inner side of the sealing ring.

[0008] Further preferably, a rubber sealing pad is bonded to the inner side of the sealing ring, and the diameter of the rubber sealing pad is the same as the diameter of the connecting disk.

[0009] Further preferably, a slide groove is provided at the bottom of the inner cavity of the transmission box, a slider is welded to the bottom of the threaded sleeve, and the slider is slidably connected in the slide groove.

[0010] Further preferably, a limiting groove is provided on the top of the transmission box, and the top of the connecting rod passes through the limiting groove and extends to the top of the transmission box.

[0011] Further preferably, a fixing plate is welded to the surface of the first pipe and the second pipe, a protective rod is welded to the inner side of the fixing plate, a welding plate is welded to the top of the fixing plate, and the transmission box is fixedly connected to the top of the welding plate.

[0012] Further preferably, the first pipe and the second pipe are made of the same material, the first pipe comprises a base layer, a wear-resistant layer and a corrosion-resistant layer, the wear-resistant layer is coated on the outside of the base layer, and the corrosion-resistant layer is coated on the inside of the base layer.

[0013] Further preferably, the wear-resistant layer and the corrosion-resistant layer have the same thickness, and the thickness is 1.1 mm-1.3 mm.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. The utility model drives the rotating shaft to rotate by rotating the adjusting knob, and the rotating shaft drives the threaded rod to rotate. The threaded rod drives the threaded sleeve to move inward through the action of the thread, and the threaded sleeve drives the sealing ring to move inward through the connecting rod and fits tightly with the connecting plate, so as to seal the connection between the first pipe and the second pipe, avoid water leakage, and improve the overall service life.

[0016] 2. The utility model provides an annular groove and an annular clamping block, so that the sealing ring can be moved inward to fit with the connecting disk and drive the annular clamping block to be clamped in the annular groove, thereby improving the fixing effect of the sealing ring and the connecting disk. By providing a rubber sealing pad, the sealing effect between the sealing ring and the connecting disk can be further improved. By providing a sliding groove and a sliding block, the threaded sleeve can be limited to improve its stability during movement. By providing a wear-resistant layer, the wear resistance of the surface of the first pipe and the second pipe can be effectively improved. By providing a corrosion-resistant layer, the inner walls of the first pipe and the second pipe can be made corrosion-resistant, thereby preventing the inner walls of the first pipe and the second pipe from being corroded due to the fluid containing corrosive substances transported internally, thereby reducing their service life.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;

[0020] Figure 2 This is a schematic diagram of the third perspective structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the sealing assembly structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the sealing ring structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the first pipeline cross-section structure of the present utility model.

[0024] Figure numerals: 1. first pipeline; 101. base layer; 102. wear-resistant layer; 103. corrosion-resistant layer; 2. connecting plate; 3. second pipeline; 4. welding plate; 5. sealing assembly; 501. transmission box; 502. limit groove; 503. connecting rod; 504. threaded sleeve; 505. threaded rod; 506. adjusting knob; 507. rotating shaft; 508. slider; 509. slide groove; 510. sealing ring; 511. annular block; 512. rubber sealing pad; 6. protective rod; 7. fixing plate; 8. annular groove. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] like Figure 1-5As shown, an embodiment of the utility model provides a leak-proof drainage pipe for water conservancy and hydropower engineering, including a first pipe 1, a second pipe 3 and a sealing assembly 5, the inner sides of the first pipe 1 and the second pipe 3 are welded with a connecting plate 2, and the first pipe 1 and the second pipe 3 are tightly fitted through the connecting plate 2, the sealing assembly 5 includes a transmission box 501, the left and right sides of the inner cavity of the transmission box 501 are movably connected with a threaded rod 505 through a bearing, the outer side of the threaded rod 505 is fixedly connected with a rotating shaft 507, the outer side of the rotating shaft 507 is welded with an adjusting knob 506, the surface of the threaded rod 505 is threadedly connected with a threaded sleeve 504, the top of the threaded sleeve 504 is welded with a connecting rod 503, and one end of the connecting rod 503 is welded with a sealing ring 510.

[0029] The rotating shaft 507 is driven to rotate by rotating the adjusting knob 506, and the rotating shaft 507 drives the threaded rod 505 to rotate. The threaded rod 505 drives the threaded sleeve 504 to move inward through the action of the thread. The threaded sleeve 504 drives the sealing ring 510 to move inward through the connecting rod 503 and fits tightly with the connecting disk 2, thereby sealing the connection between the first pipe 1 and the second pipe 3 to avoid water leakage and improve the overall service life.

[0030] Example 2

[0031] In one embodiment, an annular groove 8 is provided on the outer side of the connecting disk 2, an annular block 511 is welded on the inner side of the sealing ring 510, a rubber sealing pad 512 is bonded on the inner side of the sealing ring 510, and the diameter of the rubber sealing pad 512 is the same as the diameter of the connecting disk 2, a sliding groove 509 is provided at the bottom of the inner cavity of the transmission box 501, a slider 508 is welded on the bottom of the threaded sleeve 504, and the slider 508 is slidably connected in the sliding groove 509, a limiting groove 502 is provided on the top of the transmission box 501, the top of the connecting rod 503 passes through the limiting groove 502 and extends to the top of the transmission box 501, and the surfaces of the first pipe 1 and the second pipe 3 A fixing plate 7 is welded thereon, a protective rod 6 is welded thereon on the inner side of the fixing plate 7, a welding plate 4 is welded thereon on the top of the fixing plate 7, a transmission box 501 is fixedly connected to the top of the welding plate 4, the first pipeline 1 and the second pipeline 3 are made of the same material, the first pipeline 1 comprises a base layer 101, a wear-resistant layer 102 and a corrosion-resistant layer 103, the wear-resistant layer 102 is coated on the outer side of the base layer 101, the corrosion-resistant layer 103 is coated on the inner side of the base layer 101, the wear-resistant layer 102 is a silicon carbide coating, the corrosion-resistant layer 103 is an epoxy resin coating, the thickness of the wear-resistant layer 102 and the corrosion-resistant layer 103 are the same, and the thickness is both 1.1mm-1.3mm.

[0032] By providing the annular groove 8 and the annular block 511, the sealing ring 510 can be moved inward to fit with the connecting disk 2, driving the annular block 511 to be clamped in the annular groove 8, thereby improving the fixing effect of the sealing ring 510 and the connecting disk 2. By providing the rubber sealing pad 512, the sealing effect between the sealing ring 510 and the connecting disk 2 can be further improved. By providing the sliding groove 509 and the slider 508, the threaded sleeve 504 can be limited to improve its stability during movement. By providing the wear-resistant layer 102, the wear-resistant effect of the surface of the first pipeline 1 and the second pipeline 3 can be effectively improved. By providing the corrosion-resistant layer 103, the inner walls of the first pipeline 1 and the second pipeline 3 can be made corrosion-resistant, thereby preventing the inner walls of the first pipeline 1 and the second pipeline 3 from being corroded due to the internal transportation of fluids containing corrosive substances, thereby reducing their service life.

[0033] When the utility model is in operation: when the first pipe 1 and the second pipe 3 need to be connected, first, the first pipe 1 and the connecting disk 2 on the inner side of the second pipe 3 are in contact with each other, and then, the rotating shaft 507 is driven to rotate by rotating the adjusting knobs 506 arranged on both sides, and the rotating shaft 507 drives the threaded rods 505 on both sides to rotate at the same time, and the threaded rod 505 drives the sealing ring 510 to move inward through the connecting rod 503 at the same time, and the sealing ring 510 drives the annular clamping block 511 to clamp into the annular clamping groove 8 and fit tightly with the connecting disk 2, so as to seal the connection between the first pipe 1 and the second pipe 3 to avoid water leakage and improve the overall service life.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A leak-proof drainage pipe for water conservancy and hydropower engineering, characterized by: The invention comprises a first pipe (1), a second pipe (3) and a sealing assembly (5), wherein the inner sides of the first pipe (1) and the second pipe (3) are both welded with a connecting plate (2), and the first pipe (1) and the second pipe (3) are tightly fitted together via the connecting plate (2); the sealing assembly (5) comprises a transmission box (501), the left and right sides of the inner cavity of the transmission box (501) are both movably connected to threaded rods (505) via bearings, the outer side of the threaded rod (505) is fixedly connected to a rotating shaft (507), the outer side of the rotating shaft (507) is welded with an adjusting knob (506), the surface of the threaded rod (505) is threadedly connected to a threaded sleeve (504), the top of the threaded sleeve (504) is welded with a connecting rod (503), and one end of the connecting rod (503) is welded with a sealing ring (510).

2. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1 is characterized by: An annular clamping groove (8) is provided on the outer side of the connection disk (2), and an annular clamping block (511) is welded on the inner side of the sealing ring (510).

3. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1 is characterized by: A rubber sealing pad (512) is bonded to the inner side of the sealing ring (510), and the diameter of the rubber sealing pad (512) is the same as the diameter of the connecting disk (2).

4. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1, characterized in that: A slide groove (509) is provided at the bottom of the inner cavity of the transmission box (501), a slider (508) is welded to the bottom of the threaded sleeve (504), and the slider (508) is slidably connected in the slide groove (509).

5. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1, characterized in that: The top of the transmission box (501) is provided with a limiting groove (502), and the top of the connecting rod (503) passes through the limiting groove (502) and extends to the top of the transmission box (501).

6. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1, characterized in that: A fixing plate (7) is welded to the surface of the first pipe (1) and the second pipe (3), a protective rod (6) is welded to the inner side of the fixing plate (7), a welding plate (4) is welded to the top of the fixing plate (7), and the transmission box (501) is fixedly connected to the top of the welding plate (4).

7. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 1, characterized in that: The first pipe (1) and the second pipe (3) are made of the same material. The first pipe (1) comprises a base layer (101), a wear-resistant layer (102) and a corrosion-resistant layer (103). The wear-resistant layer (102) is coated on the outside of the base layer (101), and the corrosion-resistant layer (103) is coated on the inside of the base layer (101).

8. The anti-leakage drainage pipe for water conservancy and hydropower engineering according to claim 7, characterized in that: The wear-resistant layer (102) and the corrosion-resistant layer (103) have the same thickness, and both have a thickness of 1.1 mm to 1.3 mm.

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