CN220058962U - Water turbine generator set bottom ring protector - Google Patents
Water turbine generator set bottom ring protector Download PDFInfo
- Publication number
- CN220058962U CN220058962U CN202320340063.6U CN202320340063U CN220058962U CN 220058962 U CN220058962 U CN 220058962U CN 202320340063 U CN202320340063 U CN 202320340063U CN 220058962 U CN220058962 U CN 220058962U
- Authority
- CN
- China
- Prior art keywords
- frame body
- annular
- shaped rod
- bottom ring
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001012 protector Effects 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
A bottom ring protection device of a hydroelectric generating set comprises an annular frame body and a safety net; the annular frame body comprises frame body units, and a plurality of frame body units are detachably connected into a whole through connecting flanges and are placed on a bottom ring foundation ring; the safety net comprises a circular net surface, and the circular net surface is detachably connected with the annular frame body through a plurality of groups of annular lock sleeves in the circumferential direction. The bottom ring protection device for the hydroelectric generating set provided by the utility model can ensure the safety of the working personnel on the edge in the foundation pit.
Description
Technical Field
The utility model relates to a hydroelectric generating set, in particular to a bottom ring protection device of a hydroelectric generating set.
Background
After the A-level overhaul rotating wheel of the hydroelectric generating set is lifted out, a hole with the diameter of about 10m is formed in the inner side of the bottom ring, when a person works on the bottom ring, the lifting device belongs to high-altitude edge working, and the risk of falling from a high place exists.
The patent with the application number of 202022467330.5 is a large-scale hydroelectric generating set runner blade security device, which adopts a conical steel pipe rack and is mainly used for protecting people and tools from falling off from between the blades when the runner is not hung. After the rotating wheel is lifted out, the working conditions are different, the positions of the rotating wheel are different, and the steel pipe frame cannot be applied.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a bottom ring protection device of a hydroelectric generating set, which can ensure the safety of edge workers in a foundation pit.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a bottom ring protection device of a hydroelectric generating set comprises an annular frame body and a safety net;
the annular frame body comprises frame body units, and a plurality of frame body units are detachably connected into a whole through connecting flanges and are placed on a foundation ring;
the safety net comprises a circular net surface, and the circular net surface is detachably connected with the annular frame body through a plurality of groups of annular lock sleeves in the circumferential direction.
The frame body unit comprises an inner arc-shaped rod and an outer arc-shaped rod, the inner arc-shaped rod and the outer arc-shaped rod are reliably connected through a connecting rod, and connecting flanges on the same side of the inner arc-shaped rod and the outer arc-shaped rod are arranged in a staggered mode.
The frame body unit is provided with a positioning rod, and the side wall of the positioning rod is contacted with the side wall of the foundation ring.
The annular lock sleeve comprises an annular sleeve body, a notch is formed in the upper end of the annular sleeve body, a reset pin shaft is arranged on the annular sleeve body on one side of the notch, a stop lever and a U-shaped rod are fixed on the reset pin shaft, the stop lever is arranged at the notch and is propped against the other side of the notch, and the U-shaped rod is located on the outer side of the annular sleeve body.
The utility model discloses a bottom ring protection device of a hydroelectric generating set, which has the following technical effects: compared with the 'large-scale hydroelectric generating set runner blade security protection device' with the application number of 202022467330.5, the device is applied to the situation that after the runner is lifted out, but not before the runner is lifted out, and the working conditions are different, namely, the lower part of the large-scale hydroelectric generating set is free of any supporting shielding object, and the annular frame body of the device is matched with the size of a foundation ring, so that the device is conveniently placed on the foundation ring, the safety net is quickly fixed by utilizing a plurality of groups of annular lock sleeves to realize comprehensive protection, and the safety of maintenance staff is ensured. In addition, the flange is welded on the outer sides of the inner arc-shaped rod and the outer arc-shaped rod and arranged in a staggered mode, and compared with the prior art, the flange welding device has the advantages of higher strength and better stability.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a top view of the present utility model.
Fig. 2 is a schematic structural view of an annular frame body in the present utility model.
Fig. 3 is a schematic structural view of a frame unit according to the present utility model.
FIG. 4 is a schematic view of the installation of the locating lever of the present utility model.
Fig. 5 is a schematic structural view (first view) of the annular lock sleeve according to the present utility model.
Fig. 6 is a schematic structural view (second view) of the annular lock sleeve according to the present utility model.
In the figure: the safety net comprises an annular frame body 1, a safety net 2, a frame body unit 1.1, a connecting flange 1.2, a foundation ring 3, a circular net surface 2.1, an annular lock sleeve 2.2, an inner arc rod 1.1.1, an outer arc rod 1.1.2, a connecting rod 1.1.3, a positioning rod 1.1.4, an annular sleeve body 2.2.1, a notch 2.2.2, a reset pin shaft 2.2.3, a stop lever 2.2.4 and a U-shaped rod 2.2.5.
Detailed Description
As shown in fig. 1-2, a bottom ring protection device of a water turbine generator set comprises an annular frame body 1 and a safety net 2. The annular frame body 1 comprises frame body units 1.1, and a plurality of frame body units 1.1 are detachably connected into a whole through connecting flanges 1.2 and bolts to form an annular support. The safety net 2 comprises a circular net surface 2.1, a plurality of annular lock sleeves 2.2 are sleeved on the circular net surface 2.1 in the circumferential direction, and each annular lock sleeve 2.2 is sleeved on the annular frame body 1. Thereby ensuring a reliable connection of the safety net 2. When the device is used, the annular frame body 1 is placed on the bottom ring foundation ring 3 through hoisting, the device can ensure the safety of the edge workers in the foundation pit, and when the workers fall due to unpredictable reasons, the device can effectively play a role in buffering, so that the workers are prevented from falling to the runner maintenance bent, and personal injury and equipment damage are caused.
As shown in fig. 3, the frame unit 1.1 includes an inner arc rod 1.1.1 and an outer arc rod 1.1.2, the inner arc rod 1.1.1 and the outer arc rod 1.1.2 are reliably connected by a connecting rod 1.1.3, and the inner arc rod 1.1.1, the outer arc rod 1.1.2 and the connecting rod 1.1.3 are all formed by processing steel pipes and are welded into a whole. The connecting flanges 1.2 on the same side of the inner arc-shaped rod 1.1.1 and the outer arc-shaped rod 1.1.2 are arranged in a staggered way. The inner arc-shaped rod 1.1.1 and the outer arc-shaped rod 1.1.2 of the 'large-scale hydroelectric generating set runner blade security device' in the patent with the application number of 202022467330.5 are in a plate shape by a socket head or an spigot head on the same side, and the connecting line of the inner arc-shaped rod and the outer arc-shaped rod passes through the center of a circle, so that the strength of the connecting part is weaker. The whole strength can be ensured by adopting the structure of the connecting flange 1.2 and the staggered arrangement.
As shown in fig. 3-4, a vertical chute is formed in one or more connecting rods 1.1.3 on the frame unit 1.1, a positioning rod 1.1.4 is arranged in the chute, the positioning rod 1.1.4 can slide horizontally along the radial direction, a pressure spring is fixed on one side in the chute, the pressure spring pushes the positioning rod 1.1.4 on one side of the chute, and the side wall of the positioning rod 1.1.4 contacts with the side wall of the foundation ring 3. Through setting up locating lever 1.1.4, both can play location, spacing effect, guarantee the stability after the device is placed.
As shown in fig. 5-6, the annular lock sleeve 2.2 includes an annular sleeve body 2.2.1, a notch 2.2.2 is provided at the upper end of the annular sleeve body 2.2.1, a reset pin 2.2.3 is mounted on the annular sleeve body 2.2.1 at one side of the notch 2.2.2, and a reset spring (not shown in the drawing) is provided on the reset pin 2.2.3. And a stop lever 2.2.4 and a U-shaped rod 2.2.5 are fixed on the reset pin shaft 2.2.3, wherein the stop lever 2.2.4 is arranged at the notch 2.2.2 and is propped against the other side of the notch 2.2.2, and the U-shaped rod 2.2.5 is positioned outside the annular sleeve body 2.2.1. Due to the action of the reset spring, the outer end of the stop lever 2.2.4 is always propped against the inner wall of the annular sleeve body 2.2.1, and the notch 2.2.2 is closed. When external force acts on the stop lever 2.2.4 to move outwards, the U-shaped lever 2.2.5 is blocked by the annular sleeve body 2.2.1, so that the stop lever 2.2.4 cannot move outwards, and self-locking is realized. During installation, the stop lever 2.2.4 is pushed inwards, so that the annular sleeve body 2.2.1 is sleeved on the outer arc-shaped rod 1.1.2, and meanwhile, the rope of the circular net surface 2.1 penetrates into the annular lock sleeve 2.2. Then the stop lever 2.2.4 is loosened, and the stop lever 2.2.4 is reset under the action of the reset spring, so that the installation and fixation are realized.
Claims (4)
1. The utility model provides a hydroelectric set bottom ring protector which characterized in that: comprises an annular frame body (1) and a safety net (2);
the annular frame body (1) comprises frame body units (1.1), and a plurality of frame body units (1.1) are detachably connected into a whole through connecting flanges (1.2) and are placed on a foundation ring (3);
the safety net (2) comprises a circular net surface (2.1), and the circular net surface (2.1) is detachably connected with the annular frame body (1) through a plurality of groups of annular lock sleeves (2.2) in the circumferential direction.
2. The bottom ring guard of a hydro-generator set of claim 1, wherein: the frame body unit (1.1) comprises an inner arc-shaped rod (1.1.1) and an outer arc-shaped rod (1.1.2), the inner arc-shaped rod (1.1.1) and the outer arc-shaped rod (1.1.2) are reliably connected through a connecting rod (1.1.3), and the connecting flanges (1.2) on the same side of the inner arc-shaped rod (1.1.1) and the outer arc-shaped rod (1.1.2) are arranged in a staggered mode.
3. The bottom ring guard of a hydro-generator set of claim 2, wherein: the locating rod (1.1.4) is arranged on the frame body unit (1.1), and the side wall of the locating rod (1.1.4) is contacted with the side wall of the foundation ring (3).
4. The bottom ring guard of a hydro-generator set of claim 1, wherein: the annular lock sleeve (2.2) comprises an annular sleeve body (2.2.1), a notch (2.2.2) is formed in the upper end of the annular sleeve body (2.2.1), a reset pin shaft (2.2.3) is arranged on the annular sleeve body (2.2.1) on one side of the notch (2.2.2), a stop lever (2.2.4) and a U-shaped rod (2.2.5) are fixed on the reset pin shaft (2.2.3), wherein the stop lever (2.2.4) is arranged at the notch (2.2.2) and is propped against the other side of the notch (2.2.2), and the U-shaped rod (2.2.5) is located outside the annular sleeve body (2.2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340063.6U CN220058962U (en) | 2023-02-28 | 2023-02-28 | Water turbine generator set bottom ring protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340063.6U CN220058962U (en) | 2023-02-28 | 2023-02-28 | Water turbine generator set bottom ring protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058962U true CN220058962U (en) | 2023-11-21 |
Family
ID=88787145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320340063.6U Active CN220058962U (en) | 2023-02-28 | 2023-02-28 | Water turbine generator set bottom ring protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058962U (en) |
-
2023
- 2023-02-28 CN CN202320340063.6U patent/CN220058962U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |