CN219711887U - Combined guide vane vertical face sealing structure - Google Patents
Combined guide vane vertical face sealing structure Download PDFInfo
- Publication number
- CN219711887U CN219711887U CN202321043014.2U CN202321043014U CN219711887U CN 219711887 U CN219711887 U CN 219711887U CN 202321043014 U CN202321043014 U CN 202321043014U CN 219711887 U CN219711887 U CN 219711887U
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- Prior art keywords
- split
- square
- sealing structure
- stainless steel
- groove
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- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 22
- 239000010935 stainless steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to a combined guide vane vertical face sealing structure, which belongs to the technical field of power plant water turbine sealing, and comprises the following components: the split joint comprises a first split and a second split, wherein the second split is arranged at the left side of the first split, and a placing groove is formed in one end of the first split, which is opposite to the second split, in the split joint; the stainless steel bars are mounted on the inner wall of the placing groove in a matched mode; the square inserting blocks are fixedly connected to one end of the outer side of the placing groove, and fixing clamping grooves are formed in the upper end and the lower end of each square inserting block; the stainless steel strip is provided with square slots at the left and right ends, and second sliding grooves are formed in the upper end and the lower end of each square slot. The guide vane vertical face is convenient to install, is tightly combined, is not easy to loosen, can save installation time, is low in installation difficulty, and improves working efficiency.
Description
Technical Field
The utility model belongs to the technical field of power plant water turbine sealing, and particularly relates to a combined guide vane vertical face sealing structure.
Background
The guide vane is an energy conversion device of the centrifugal pump, and has the functions of collecting liquid thrown out by the impeller, reducing the flow speed of the liquid, converting part of speed energy heads into pressure energy heads, uniformly introducing the pressure energy heads into the next stage or discharging the pressure energy heads through the diffusion pipe, and sealing the guide vane through a sealing structure when the guide vane is used, so that water leakage is prevented when the guide vane is used.
The existing guide vane elevation seal is easy to fall off in the use process, is easy to age, causes the elevation seal failure, causes the shutdown difficulty and the unit peristaltic phenomenon to occur due to the large water leakage of the guide vane when the unit is normally shut down, and therefore needs to be replaced frequently, and the installation mode is extrusion by the external force of the artificial machine, so that the installation difficulty is high, and the strength is high.
Disclosure of Invention
The utility model provides the following technical scheme for overcoming the problems existing in the prior art:
a modular vane facade sealing structure comprising:
the split joint comprises a first split and a second split, wherein the second split is arranged at the left side of the first split, and a placing groove is formed in one end of the first split, which is opposite to the second split, in the split joint;
the stainless steel bars are mounted on the inner wall of the placing groove in a matched mode;
the square inserting blocks are fixedly connected to one end of the outer side of the placing groove, and fixing clamping grooves are formed in the upper end and the lower end of each square inserting block; the stainless steel strip is provided with square slots at the left and right ends, and second sliding grooves are formed in the upper end and the lower end of each square slot.
Further, a plurality of springs are fixedly arranged at the opposite ends of the second sliding groove.
Further, the opposite ends of the springs are fixedly connected with fixing clamp columns, and the left end and the right end of each fixing clamp column are respectively and slidably connected with the left end and the right end of the second chute.
Further, the shape of the fixing clamping groove is matched with that of the fixing clamping column.
Further, both ends all fixedly connected with fixed block around the standing groove, the equal fixedly connected with traveller in top of fixed block.
Further, the left and right sides at the front and rear ends of the stainless steel strip are respectively provided with a first chute, and the first chute is matched with the fixed block in shape.
Further, the top end of the first sliding groove is provided with a limiting groove, and the limiting groove is matched with the sliding column in shape.
Further, the fixed block is symmetrical about the center line of the placement groove.
Further, the square slot is matched with the square plug in shape.
Further, the square insert is symmetrical about the center of the stainless steel strip.
The utility model has the beneficial effects that: the guide vane vertical face is convenient to install, is tightly combined, is not easy to loosen, can save installation time, is low in installation difficulty, and improves working efficiency.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top perspective view of a modular vane seal structure in accordance with the present utility model;
FIG. 2 is a schematic perspective view of a placement groove structure of a combined guide vane elevation sealing structure provided by the utility model;
FIG. 3 is a schematic perspective view of a cross-sectional structure of a stainless steel bar of a combined guide vane elevation seal structure according to the present utility model;
FIG. 4 is an enlarged view of A in FIG. 3;
fig. 5 is a schematic perspective view of a first split cross-sectional structure of a combined guide vane elevation seal structure according to the present utility model.
In the figure
1-first split, 2-stainless steel bar, 3-second split, 4-fixed block, 5-holding groove, 6-first chute, 7-limit groove, 8-fixed clamping column, 9-square slot, 10-spring, 11-second chute, 12-sliding column, 13-fixed clamping groove and 14-square insert block.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the terms "first," "second," and the like herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the combined guide vane vertical face sealing structure comprises:
the split joint comprises a first split 1 and a second split 3, wherein the second split 3 is arranged at the left side of the first split 1, and a placing groove 5 is arranged at one end of the first split 1, which is opposite to the second split 3, in a split joint manner;
as shown in fig. 3, the stainless steel bar 2 is matched and installed with the inner wall of the placing groove 5; for connecting the first 1 and second 3 split.
As shown in fig. 5, one end of the outer side of the placement groove 5 is fixedly connected with a square insertion block 14, and the upper end and the lower end of the square insertion block 14 are respectively provided with a fixing clamping groove 13; the stainless steel strip 2 is provided with square slot 9 at both ends about, square slot 9 upper and lower both ends all are provided with second spout 11.
As shown in fig. 4, a plurality of springs 10 are fixedly disposed at opposite ends of the second chute 11.
The opposite ends of the spring 10 are fixedly connected with fixing clamp columns 8, and the left end and the right end of each fixing clamp column 8 are respectively and slidably connected with the left end and the right end of the second chute 11. The shape of the fixing clamping groove 13 is matched with that of the fixing clamping column 8. The stainless steel bar 2 is fixed in a dovetail groove on the guide vane, at the moment, the first split 1 and the second split 3 are clamped on the stainless steel bar 2 through the placing groove 5, the square insert 14 can be inserted into the square slot 9, the square insert 14 can squeeze the fixing clamp column 8 until the fixing clamp column 8 is overlapped in the fixing clamp groove 13 in the process, the square insert 14 is fixed through the reset action of the spring 10 until the fixing clamp column 8 is clamped on the fixing clamp groove 13, so that the first split 1 and the second split 3 are assembled and mounted, the first split 1 and the second split 3 are fixed, the seam is sealed, and the vertical face of the combined guide vane is sealed by polyether polyurethane materials, so that the combined guide vane has wear resistance, is not easy to age, can achieve a good sealing effect, and has a long service life.
Further explaining, both ends all are fixedly connected with fixed block 4 around the standing groove 5, the top of fixed block 4 all is fixedly connected with slide column 12.
The left and right sides at the front and back ends of the stainless steel bar 2 are respectively provided with a first chute 6, and the first chute 6 is matched with the fixed block 4 in shape. The top end of the first sliding groove 6 is provided with a limiting groove 7, and the limiting groove 7 is matched with the sliding column 12 in shape. The first chute 6 of stainless steel strip 2 cooperatees with fixed block 4, and the traveller 12 card is in spacing groove 7, because the shape agrees with, consequently fixed block 4 slides along first chute 6, traveller 12 slides along spacing groove 7, thereby spacing first split 1 and second split 3, prevent to take place the skew when removing, lead to the position to take place misplacement, avoid reinstalling, fixed draw-in groove 13 agrees with fixed card post 8 shape mutually, square slot 9 agrees with square insert 14 shape mutually, owing to the shape agrees with mutually, consequently during the installation, can insert fast, consequently, can save time, thereby improve installation effectiveness, fixed block 4 is symmetrical about the central line of standing groove 5, square insert 14 is symmetrical about the center of stainless steel strip 2.
Working principle: firstly, a stainless steel bar 2 is fixed in a dovetail groove on a guide vane, at the moment, a first split 1 and a second split 3 are clamped on the stainless steel bar 2 through a placing groove 5, a square inserting block 14 can be inserted into a square inserting groove 9, a fixed block 4 slides along a first sliding groove 6, a sliding column 12 slides along a limiting groove 7, in the process, the square inserting block 14 can extrude a fixed clamping column 8 until the fixed clamping column 8 is overlapped in a fixed clamping groove 13, and the fixed clamping column 8 is clamped on the fixed clamping groove 13 through the reset action of a spring 10, so that the square inserting block 14 is fixed, the first split 1 and the second split 3 are assembled, the fixed split is convenient to install, the time is saved, the installation difficulty is small, and the working efficiency is improved.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A combined guide vane elevation sealing structure is characterized in that: comprising the following steps:
the split joint comprises a first split (1) and a second split (3), wherein the second split (3) is arranged at the left side of the first split (1), and a placing groove (5) is formed in one end of the first split (1) which is opposite to the second split (3) in a split joint mode;
the stainless steel bar (2) is arranged on the inner wall of the placing groove (5) in a matching way;
the square inserting blocks (14) are fixedly connected to one end of the outer side of the placing groove (5), and fixing clamping grooves (13) are formed in the upper end and the lower end of each square inserting block (14); the stainless steel strip (2) is provided with square slots (9) at the left end and the right end, and second sliding grooves (11) are formed in the upper end and the lower end of each square slot (9).
2. The modular vane facade sealing structure as claimed in claim 1, characterised in that: and a plurality of springs (10) are fixedly arranged at the opposite ends of the second sliding groove (11).
3. The combination vane facade seal structure as claimed in claim 2, wherein: the opposite ends of the spring (10) are fixedly connected with fixing clamp columns (8), and the left end and the right end of each fixing clamp column (8) are respectively and slidably connected with the left end and the right end of the second chute (11).
4. The combination vane facade seal structure as claimed in claim 3, characterised in that: the shape of the fixing clamping groove (13) is matched with that of the fixing clamping column (8).
5. The modular vane facade sealing structure as claimed in claim 1, characterised in that: the front end and the rear end of the placing groove (5) are fixedly connected with fixing blocks (4), and the top ends of the fixing blocks (4) are fixedly connected with sliding columns (12).
6. The modular vane facade sealing structure as claimed in claim 5, characterised in that: the stainless steel strip (2) is characterized in that first sliding grooves (6) are formed in the left side and the right side of the front end and the rear end of the stainless steel strip, and the first sliding grooves (6) are matched with the fixing blocks (4) in shape.
7. The modular vane facade sealing structure as claimed in claim 6, wherein: the top end of the first sliding groove (6) is provided with a limiting groove (7), and the limiting groove (7) is matched with the sliding column (12) in shape.
8. The modular vane facade sealing structure as claimed in claim 5, characterised in that: the fixed block (4) is symmetrical with respect to the center line of the placing groove (5).
9. The modular vane facade sealing structure as claimed in claim 1, characterised in that: the square slot (9) is matched with the square plug (14) in shape.
10. The modular vane facade sealing structure as claimed in claim 1, characterised in that: the square insert block (14) is symmetrical with respect to the center of the stainless steel bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321043014.2U CN219711887U (en) | 2023-05-04 | 2023-05-04 | Combined guide vane vertical face sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321043014.2U CN219711887U (en) | 2023-05-04 | 2023-05-04 | Combined guide vane vertical face sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711887U true CN219711887U (en) | 2023-09-19 |
Family
ID=88000386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321043014.2U Active CN219711887U (en) | 2023-05-04 | 2023-05-04 | Combined guide vane vertical face sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711887U (en) |
-
2023
- 2023-05-04 CN CN202321043014.2U patent/CN219711887U/en active Active
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