Water turbine overhaul sealing device

Abstract

A connecting mechanism comprises flange plates arranged on the outer wall of a main shaft, the two sides of the two flange plates are both connected with two installation bases in a sliding mode, the two sides of each installation base are both fixedly connected with a bottom plate, and a screw hole is formed in the center of the top of each bottom plate. When the water turbine overhaul sealing device is used and the water turbine overhaul sealing device needs to be installed, only the two installation bases need to be arranged on the outer wall of the main shaft in a sleeved mode and are fixed for the first time through the bolts, then the first connecting rods penetrate through the through holes, and the main shaft is fixed through the bolts. And then the screw rod and the first mounting plate are fixed through the nut, so that in the using process, under the condition that a large number of nuts are not needed for fixing, it can be ensured that the two flange plates are fixed, time and labor are saved, and the working efficiency of workers in the sealing device mounting process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbine maintenance, in particular to a water turbine maintenance sealing device. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It belongs to the turbine machinery among fluid machinery. The water turbine maintenance seal is one of the main components of the water turbine main shaft seal. Its main function is to ensure the smooth maintenance of the main shaft working seal under high tailwater level conditions or the maintenance and inspection of the unit when it is damaged.

[0003] The maintenance sealing device of the turbine in daily use is usually fixed to the flange by multiple bolts, which takes a lot of time to install. At the same time, there is a gap between the flanges, which makes the sealing effect poor during use, reducing the working efficiency of the maintenance sealing device of the turbine during use. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a water turbine maintenance sealing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a water turbine maintenance sealing device, including a sealing device, the sealing device is mainly used for sealing the water turbine during the maintenance process, the sealing device includes a water turbine body, one side of the water turbine body is fixedly connected to a main shaft, and the outer wall of the main shaft is provided with a connecting mechanism;

[0006] The connecting mechanism includes a flange plate arranged on the outer wall of the main shaft, and two mounting seats are slidably connected to both sides of the two flange plates. A base plate is fixedly connected to both sides of each mounting seat, and a screw hole is opened at the center of the top of each base plate, and bolts are threadedly connected to the inner walls of each two screw holes.

[0007] In one example, a first mounting plate is fixedly connected to the top of the outer wall of each mounting seat, wherein two first connecting rods are fixedly connected to one side relative to the first mounting plate, the other ends of the two first connecting rods are fixedly connected to screws, and through holes are opened at the center of the other two relative to the first mounting plates, and the screws are interlaced and connected with the through holes.

[0008] In one example, two second mounting plates are fixedly connected to one side relative to the mounting seat, one side of one of the second mounting plates is fixedly connected to a limiting rod, and one side of the other second mounting plate is provided with a limiting hole, and the limiting rod is interlaced with the limiting hole.

[0009] In one example, a rubber anti-slip pad is fixedly connected to the inner wall of each mounting seat.

[0010] In one example, an air belt is movably connected between the two flanges.

[0011] The water turbine maintenance sealing device proposed by the utility model can bring the following beneficial effects:

[0012] 1. This kind of turbine maintenance sealing device, through the mounting seats, bottom plate, screw holes, bolts, first mounting plate, first connecting rod, screw rod and through hole arranged on both sides of the flange plate, can be used when the turbine maintenance sealing device needs to be installed, and only needs to set the two mounting seats on the outer wall of the main shaft and fix them for the first time by bolts, and then pass the first connecting rod through the through hole, and then fix the screw rod and the first mounting plate by nuts, so that when in use, without consuming a large number of nuts for fixing, it is also possible to ensure that the two flange plates are fixed, which saves time and effort and improves the work efficiency of the staff during the installation of the sealing device.

[0013] 2. This turbine maintenance sealing device has a second mounting plate limiting rod and a limiting hole arranged on one side of the mounting seat. When in use, the limiting rod and the limiting hole can be aligned to facilitate alignment for installation. At the same time, a rubber anti-skid pad is provided inside each mounting seat to prevent the mounting seat from slipping on the surface of the main shaft during installation, thereby improving the practicability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the connection mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the position structure of the first connecting rod of the utility model.

[0018] In the figure: 1. turbine body; 2. main shaft; 3. flange; 4. mounting seat; 5. bottom plate; 6. screw hole; 7. bolt; 8. first mounting plate; 9. first connecting rod; 10. screw rod; 11. through hole; 12. second mounting plate; 13. limit rod; 14. limit hole; 15. rubber anti-skid pad; 16. air belt. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the overall concept of the utility model, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0020] Embodiment 1, the utility model provides as follows Figure 1 - Figure 3 A water turbine maintenance sealing device shown in the figure includes a sealing device, which is mainly used for sealing the water turbine during the maintenance process. The sealing device includes a water turbine body 1, one side of the water turbine body 1 is fixedly connected to a main shaft 2, the outer wall of the main shaft 2 is provided with a connecting mechanism, the connecting mechanism includes a flange 3 arranged on the outer wall of the main shaft 2, two flanges 3 are slidably connected to two mounting seats 4 on both sides, each mounting seat 4 is fixedly connected to a bottom plate 5 on both sides, a screw hole 6 is opened at the center of the top of each bottom plate 5, and the inner walls of every two opposite screw holes 6 are threadedly connected with bolts 7, and the top of the outer wall of each mounting seat 4 is fixedly connected to a first mounting plate 8, wherein two sides opposite to the first mounting plate 8 are fixedly connected to first connecting rods 9, and the other ends of the two first connecting rods 9 are fixedly connected to screws 10, and in addition A through hole 11 is opened at the center of the two relative first mounting plates 8, and the screw 10 is connected with the through hole 11 through the insertion, and the mounting seat 4, the bottom plate 5, the screw hole 6, the bolt 7, the first mounting plate 8, the first connecting rod 9, the screw 10, and the through hole 11 are arranged on both sides of the flange 3. When the turbine maintenance sealing device needs to be installed during use, it is only necessary to sleeve the two mounting seats 4 on the outer wall of the main shaft 2 and fix it for the first time with the bolt 7, and then pass the first connecting rod 9 through the through hole 11, and then fix the screw 10 to the first mounting plate 8 with a nut, so that when in use, the two flanges 3 can be fixed without consuming a large number of nuts for fixing, which saves time and effort and improves the work efficiency of the staff during the installation of the sealing device.

[0021] Embodiment 2, the utility model provides as follows Figure 2 The turbine maintenance sealing device shown includes a second mounting plate 12 fixedly connected to one side of two relative mounting seats 4, wherein a limiting rod 13 is fixedly connected to one side of one of the second mounting plates 12, and a limiting hole 14 is opened on one side of the other second mounting plate 12, and the limiting rod 13 is interlaced with the limiting hole 14. The inner wall of each mounting seat 4 is fixedly connected to a rubber anti-skid pad 15, and an air belt 16 is movably connected between the two flanges 3. Through the limiting rod 13 and the limiting hole 14 of the second mounting plate 12 arranged on one side of the mounting seat 4, the limiting rod 13 and the limiting hole 14 can be aligned with the limiting hole 14 during use, which is convenient for alignment and installation. At the same time, a rubber anti-skid pad 15 is arranged inside each mounting seat 4 to prevent the mounting seat 4 from slipping on the surface of the main shaft 2 during the installation process, thereby improving the practicality of the device during use.

[0022] Working principle: The utility model discloses a water turbine maintenance sealing device. When in use, through the mounting seats 4, the bottom plate 5, the screw holes 6, the bolts 7, the first mounting plate 8, the first connecting rod 9, the screw rod 10, and the through hole 11 arranged on both sides of the flange 3, when in use, when it is necessary to install the water turbine maintenance sealing device, it is only necessary to sleeve the two mounting seats 4 on the outer wall of the main shaft 2, and fix them for the first time by the bolts 7, and then pass the first connecting rod 9 through the through hole 11, and then fix the screw rod 10 and the first mounting plate 8 by the nut, so that when in use, Without the need to consume a large number of nuts for fixing, the two flanges 3 can also be fixed, which saves time and effort and improves the work efficiency of the staff during the installation of the sealing device. At the same time, through the limiting rod 13 and the limiting hole 14 of the second mounting plate 12 arranged on one side of the mounting seat 4, the limiting rod 13 and the limiting hole 14 can be aligned with each other during use, which is convenient for alignment and installation. At the same time, a rubber anti-slip pad 15 is provided inside each mounting seat 4 to prevent the mounting seat 4 from slipping on the surface of the main shaft 2 during the installation process, thereby improving the practicability of the device during use.

[0023] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0024] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A water turbine maintenance sealing device, comprising a sealing device, the sealing device being mainly used for sealing the water turbine during maintenance, the sealing device comprising a water turbine body (1), one side of the water turbine body (1) being fixedly connected to a main shaft (2), and an outer wall of the main shaft (2) being provided with a connecting mechanism; Features: The connection mechanism comprises a flange (3) arranged on the outer wall of the main shaft (2), two mounting seats (4) are slidably connected to the two sides of the two flanges (3), a base plate (5) is fixedly connected to the two sides of each mounting seat (4), a screw hole (6) is opened at the center of the top of each base plate (5), and bolts (7) are threadedly connected to the inner walls of each two screw holes (6).

2. A water turbine maintenance sealing device according to claim 1, characterized in that: The top of the outer wall of each mounting seat (4) is fixedly connected to a first mounting plate (8), two of which are fixedly connected to one side relative to the first mounting plate (8) with a first connecting rod (9), the other ends of the two first connecting rods (9) are fixedly connected to a screw rod (10), and the other two are provided with a through hole (11) at the center relative to the first mounting plate (8), and the screw rod (10) is connected to the through hole (11) by insertion.

3. A water turbine maintenance sealing device according to claim 1, characterized in that: Two of the second mounting plates (12) are fixedly connected to one side of the mounting seat (4), one side of the second mounting plates (12) is fixedly connected to a limiting rod (13), and one side of the other second mounting plate (12) is provided with a limiting hole (14), and the limiting rod (13) is interlaced with the limiting hole (14).

4. A water turbine maintenance sealing device according to claim 1, characterized in that: The inner wall of each mounting seat (4) is fixedly connected with a rubber anti-skid pad (15).

5. A water turbine maintenance sealing device according to claim 1, characterized in that: An air belt (16) is movably connected between the two flanges (3).

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