Sealing strip for cover plate of hydraulic generator

By designing the clamping structure of prefabricated seal strips and clamping parts, the problem of sealing strip installation difficulties caused by uneven gaps in the cover plate of vertical water turbine generator sets is solved, the tight installation and simplified operation of seal strips are achieved, and the installation efficiency and sealing effect are improved.

CN223136920UActive Publication Date: 2025-07-22CHINA YANGTZE POWER
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Patent Information

Application Number
CN202421813107.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-07-22
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The uneven gap between the cover plate of the vertical water turbine generator set leads to difficulty in installing the seal strips, and the traditional seal strips are complex and time-consuming.

Method used

A prefabricated fitting structure including a sealing strip and a clamping member is designed. The bottom of the sealing strip is provided with a gap section and a clamping groove. A clamping plate structure is provided on the clamping member. The sealing strip is extruded to adapt to uneven gaps, and a tight installation is achieved through the clamping groove inserted into the clamping groove.

Benefits of technology

The tight installation and disassembly of seal strips in uneven gaps is realized, the operation process is simplified, and the installation efficiency and sealing effect are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

A cover plate sealing strip of a hydraulic generator comprises a sealing strip body and a clamping piece, the sealing strip body comprises a strip cover, a gap section is arranged at the bottom of the strip cover, bottom baffles are symmetrically arranged at the bottom of the gap section, and a clamping groove matched with the clamping piece is formed in the gap section; the clamping piece comprises a knocking head plate, and a clamping plate structure matched with the clamping groove is arranged on the knocking head plate. By the adoption of the structure and the assembly type matching structure, installation of uneven gaps between the sealing strips and the plates is facilitated, and assembly sealing is tight and firm; by extruding the sealing strip to deform the sealing strip, mounting and dismounting are better, and meanwhile possible deformation and mounting errors of the cover plate are adapted; the device is simple and reasonable in overall structure, convenient and labor-saving to operate and use and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of water turbine generators, in particular to a water turbine generator cover plate sealing strip. Background Art

[0002] The upper frame cover of a vertical turbine generator set usually adopts a block structure, and there is a gap of 8-10mm between each cover. The gap usually needs to be sealed with a rubber sealing strip to prevent foreign matter from entering the generator through the gap. Traditionally, the sealing strip adopts a symmetrical "I"-shaped structure in cross section, which is difficult to install. Due to deformation of the cover and installation errors, the gap between the plates is uneven, which is time-consuming and labor-intensive to install. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a sealing strip for a hydro-turbine generator cover plate, with an assembled matching structure, which is convenient for the installation of the sealing strip to adapt to the uneven gap between the plates, and the assembled seal is tight and reliable; the sealing strip is deformed by squeezing it, so that it can be installed and disassembled better, and at the same time it can adapt to the possible deformation and installation errors of the cover plate; the overall structure of the device is simple and reasonable, the operation is convenient and labor-saving, and it is highly practical.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a sealing strip of a hydro-generator cover, comprising a sealing strip and a clamping piece, wherein the sealing strip comprises a strip cover, a gap section is provided at the bottom of the strip cover, a bottom stop is symmetrically provided at the bottom of the gap section, and a clamping groove matched with the clamping piece is provided in the gap section;

[0005] The clamping piece comprises a knocking plate, on which a clamping plate structure cooperating with the clamping groove is arranged.

[0006] In a preferred solution, the cardboard structure includes a first cardboard and a second cardboard.

[0007] In a preferred solution, a guide head is provided on the side of the clamping plate structure away from the knocking plate.

[0008] In a preferred solution, light panels are symmetrically provided on the inner wall of the clamping groove.

[0009] In a preferred solution, a guiding inclined surface is provided on the light panel near the opening end of the clamping groove.

[0010] The utility model provides a water turbine generator cover sealing strip, which has the following beneficial effects by adopting the above structure:

[0011] (1) The assembled matching structure facilitates the installation of the sealing strip to adapt to the uneven gap between the plates, and the assembly seal is tight and reliable;

[0012] (2) By squeezing the sealing strip to deform it, it is easier to install and disassemble, and at the same time, it can adapt to the possible deformation and installation error of the cover plate.

[0013] (3) The overall structure of the device is simple and reasonable, easy and labor-saving to operate and use, and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0015] Figure 1 It is a schematic structural view of the sealing strip of the present utility model.

[0016] Figure 2 It is a schematic structural view of the sealing strip of the present utility model.

[0017] Figure 3 It is a schematic structural view of the flared mating structure of the present utility model.

[0018] Figure 4 It is a schematic view of a wide width of a type of overall structure of the present utility model.

[0019] Figure 5 It is a schematic view of a wide width of a second type of overall structure of the present utility model.

[0020] Figure 6 It is a schematic structural view of the clamping member of the present utility model.

[0021] In the figure: sealing strip 1, gap section 2, bottom stop 3, clamping groove 4, smooth panel 5, guiding inclined surface 6, knocking head plate 7, first clamping plate 8, guiding head 9, second clamping plate 10, strip cover 11. SPECIFIC EMBODIMENTS

[0022] As Figure 1-6 in, a sealing strip for the cover plate of a hydro-generator includes a sealing strip 1 and a clamping member. The sealing strip 1 includes a strip cover 11. A gap section 2 is provided at the bottom of the strip cover 11. Bottom stops 3 are symmetrically provided at the bottom of the gap section 2. A clamping groove 4 for cooperating with the clamping member is provided in the gap section 2;

[0023] The clamping member includes a knocking head plate 7, and a clamping plate structure for cooperating with the clamping groove 4 is provided on the knocking head plate 7.

[0024] In a preferred solution, the clamping plate structure includes a first clamping plate 8 and a second clamping plate 10. The first clamping plate 8 is wider than the second clamping plate 10, which is convenient for adapting to the uneven gap of 8-10 mm designed between each cover plate.

[0025] In a preferred solution, a guiding head 9 is provided on the side of the clamping plate structure away from the knocking head plate 7. It is better for assembly and clamping, with accurate positioning and stable bidirectional extrusion.

[0026] In a preferred solution, a light panel 5 is symmetrically arranged on the inner wall of the clamping groove 4 to increase the friction force and facilitate the clamping plate structure to enter the clamping groove 4.

[0027] In a preferred solution, the light panel 5 is provided with a guide slope 6 near the opening end of the clamping groove 4, so as to facilitate the matching with the clamping plate structure.

[0028] The method of using the utility model is as follows: when in use, first put the sealing strip 1 into the gap between the plates, then keep the gap section 2 matched with the gap, the strip cover 11 and the bottom stop 3 are respectively located on the upper and lower sides of the plates, at this time there are still many gaps between the gap section 2 and the gap, by installing the clamping parts, hammering the knocking plate 7, so that the clamping plate structure is hammered into the clamping groove 4, and through the insertion of the clamping plate structure, the two sides of the gap section 2 are deformed and expanded to fill the entire gap area.

[0029] The beneficial effects of the utility model: the assembled matching structure facilitates the installation of the sealing strip to adapt to the uneven gap between the plates, and the assembled seal is tight and reliable; the sealing strip is deformed by squeezing it, which makes it easier to install and disassemble, and at the same time adapts to possible deformation and installation errors of the cover plate; the overall structure of the device is simple and reasonable, and the operation is convenient and labor-saving, and it is highly practical.

Claims

1. A sealing strip for the cover plate of a hydrogenerator, comprising a sealing strip (1) and a clamping member, characterized in that: The described sealing strip (1) includes a strip cover (11). A gap section (2) is provided at the bottom of the strip cover (11). Bottom stoppers (3) are symmetrically provided at the bottom of the gap section (2). A clamping groove (4) for cooperating with a clamping member is provided in the gap section (2). The described clamping member includes a knocking head plate (7). A clamping plate structure for cooperating with the clamping groove (4) is provided on the knocking head plate (7).

2. The water turbine generator cover plate sealing strip according to claim 1, characterized in that: The clamping plate structure includes a first clamping plate (8) and a second clamping plate (10).

3. The water turbine generator cover plate sealing strip according to claim 1, characterized in that: A guiding head (9) is provided on one side of the clamping plate structure away from the knocking head plate (7).

4. The sealing strip for the cover plate of a hydrogenerator according to claim 1, wherein: Smooth panels (5) are symmetrically provided on the inner wall of the clamping groove (4).

5. The water turbine generator cover seal strip according to claim 4, characterized in that: A guiding inclined surface (6) is provided at the position of the smooth panel (5) close to the opening end of the clamping groove (4).