CN204401567U - A kind ofly prevent the device entering stone in factory building tailwater channel - Google Patents
A kind ofly prevent the device entering stone in factory building tailwater channel Download PDFInfo
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- CN204401567U CN204401567U CN201420849233.4U CN201420849233U CN204401567U CN 204401567 U CN204401567 U CN 204401567U CN 201420849233 U CN201420849233 U CN 201420849233U CN 204401567 U CN204401567 U CN 204401567U
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- tailwater channel
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Abstract
The utility model discloses a kind of device preventing from entering in factory building tailwater channel stone.Comprise and be embedded in tailwater channel left guide wall (1) and the tailwater channel right side and lead built-in fitting (7) in wall (2), and be embedded in row's brace steel post (5) that tailwater channel blocks sand bank (4) top; Left and right is led between the built-in fitting on wall and is provided with stone blocking net (6), and the built-in fitting on wall is led in stone blocking net two ends and left and right) be connected, be connected with brace steel post in the middle part of stone blocking net.The utility model stone blocking net used is the flexible net that wire rope braiding is got up, and substantially increases the impact resistance of stone blocking net, and intensity, also far above the ordinary steel silk screen sold on the market, has and stops stone ability preferably.And can not the harmony high level of tail water, do not affect unit output, reach the object preventing rock ballast from entering tailwater channel.The utility model can effectively reduce the rock ballast entered in tailwater channel, reduces the scarfing cinder number of times of tailwater channel, directly reduces the running cost in power station, indirectly increases the power benefit in power station.
Description
Technical field
the utility model relates to a kind of device preventing from entering in factory building tailwater channel stone, belongs to Hydraulic and Hydro-Power Engineering technical field.
Background technology
for in the hybrid water conservancy and hydropower project in mountain area, shore type ground power house is generally all provided with the tailwater channel be connected with lower storage basin water level.In order to increase power benefit as far as possible, tailwater channel sediment trapping bank height is general only higher than about 0.5 ~ 1 meter, riverbed, highly not high, as long as can play the effect of interception riverbed rock ballast.
because Shan Gao slope, two sides, mountain channel is steep, riverbank mostly is stone accumulation body, isolates block stone more in the river course in, in addition during Hydroelectric Project Construction to the disturbance of Channel slope, rock ballast loose in a large number often can roll in river course.Rock ballast in the inter-plant river course, several years ago dam gone into operation in mixed plant is difficult to reach stable, a large amount of loose rock ballast can with current under, particularly during Flood, flood enters in the tailwater channel of power plant building with size block stone, deposits in tailwater channel and outlet river course section thereof.The rock ballast of these alluvials in tailwater channel, rolls, does great damage to tailwater channel structure under the effect of generating current in tailwater channel, has to close unit cleaning rock ballast time serious, or repairs the tailwater channel damaged.
Utility model content
the purpose of this utility model is; a kind of device preventing from entering in factory building tailwater channel stone is provided, rock ballast can be greatly reduced and enter tailwater channel, particularly avoid comparatively ratchel to enter tailwater channel and tailwater channel is damaged; with the frequency of power generating ratio scarfing cinder, improve the operational efficiency in power station.
the technical solution of the utility model:
prevent the device entering stone in factory building tailwater channel, comprise and be embedded in tailwater channel left guide wall and the right built-in fitting of leading within the walls of tailwater channel, and be embedded in row's brace steel post that tailwater channel blocks Sha Kan top; Left and right is led between the built-in fitting on wall and is provided with stone blocking net, and the built-in fitting that stone blocking net two ends and left and right are led on wall is connected, and is connected in the middle part of stone blocking net with brace steel post.
in aforementioned means, described stone blocking net is the flexible steel wire netting be made up of wire rope.
in aforementioned means, described flexible steel wire netting comprises supporting steel-cable and lower support wire rope, is provided with crisscross oblique pull wire rope between upper supporting steel-cable.
in aforementioned means, the middle part of described flexible steel wire netting is provided with reinforcement wire rope.
in aforementioned means, described built-in fitting and brace steel post are provided with retainer ring for fixing wire rope or fixing hole.
compared with prior art, the utility model stone blocking net used is the flexible net that wire rope braiding is got up, and substantially increases the impact resistance of stone blocking net, and intensity, also far above the ordinary steel silk screen sold on the market, has and stops stone ability preferably.Because wire rope is arranged according to array pitch between certain, can not the harmony high level of tail water, do not affect unit output, and reach the object preventing rock ballast from entering tailwater channel.The utility model can effectively reduce the rock ballast entered in tailwater channel, reduces the scarfing cinder number of times of tailwater channel, directly reduces the running cost in power station, indirectly increases the power benefit in power station.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model.
being labeled as in accompanying drawing: 1-tailwater channel left guide wall, the 2-tailwater channel right side lead wall, 3-retainer ring or fixing hole, 4-tailwater channel blocks sand bank, 5-brace steel post, 6-stone blocking net, 7-built-in fitting, the upper supporting steel-cable of 8-, 9-lower support wire rope, 10-oblique pull wire rope, 11-strengthen wire rope.
Detailed description of the invention
below in conjunction with drawings and Examples, the utility model is described in further detail, but not as to any restriction of the present utility model.
prevent the device entering stone in factory building tailwater channel, as shown in Figure 1: comprise and be embedded in tailwater channel left guide wall 1 and the right built-in fitting 7 of leading in wall 2 of tailwater channel, and be embedded in row's brace steel post 5 that tailwater channel blocks sand bank 4 top; Built-in fitting 7 and brace steel post 5 are provided with retainer ring for fixing wire rope or fixing hole 3.Left and right is led between the built-in fitting 7 on wall and is provided with stone blocking net 6, and the built-in fitting 7 that stone blocking net 6 two ends and left and right are led on wall is connected, and is connected in the middle part of stone blocking net 6 with brace steel post 5.Stone blocking net 6 is the flexible steel wire netting be made up of wire rope.Flexible steel wire netting comprises supporting steel-cable 8 and lower support wire rope 9, between upper supporting steel-cable 8 and lower support wire rope 9, be provided with crisscross oblique pull wire rope 10.The middle part of flexible steel wire netting is provided with strengthens wire rope 11.
Embodiment
during concrete enforcement, when constructing tailwater channel, lead the pre-buried built-in fitting 7 for fixing wire rope on wall in advance in the left and right of tailwater channel, simultaneously pre-buried row's brace steel post 5 on the sediment trapping bank of tailwater channel.Conveniently be connected with wire rope, can on built-in fitting 7 and brace steel post 5, weld some retainer rings or bore some fixing holes, after tailwater channel is constructed, between two built-in fitting 7 upper ends, draw supporting steel wire 8 on, then draw a lower support steel wire 9 between two built-in fitting 7 lower ends; Upper supporting steel wire 8 is connected with top and bottom of arranging brace steel post 5 respectively with in the middle part of lower support steel wire 9.Then crisscross steel cable flexible net is made into as stone blocking net 6 at upper supporting steel wire 8 and lower support steel wire 9 forming wire-rope into interlocking-wire.In general be subject to the probability that stone impacts in the middle part of stone blocking net 6 comparatively large, in the middle part of stone blocking net 6 can arrange that some wire rope make it more closely knitly play booster action, in the middle of in figure, two pieces of stone blocking nets 6 are for having strengthened the stone blocking net after wire rope 11 more.
due to the flexible net that stone blocking net 6 used in this example gets up for wire rope braiding, improve the impact resistance of stone blocking net 6 greatly, intensity, also far above the ordinary steel silk screen sold on the market, has and stops stone ability preferably.
this example is embody rule example of the present utility model just, does not form any restriction of the present utility model, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all belong to protection domain of the present utility model.
Claims (5)
1. prevent the device entering stone in factory building tailwater channel, it is characterized in that: comprise and be embedded in tailwater channel left guide wall (1) and the tailwater channel right side and lead built-in fitting (7) in wall (2), and be embedded in row's brace steel post (5) that tailwater channel blocks sand bank (4) top; Left and right is led between the built-in fitting (7) on wall and is provided with stone blocking net (6), and the built-in fitting (7) that stone blocking net (6) two ends and left and right are led on wall is connected, and stone blocking net (6) middle part is connected with brace steel post (5).
2. device according to claim 1, is characterized in that: described stone blocking net (6) is the flexible steel wire netting be made up of wire rope.
3. device according to claim 2, it is characterized in that: described flexible steel wire netting comprises supporting steel-cable (8) and lower support wire rope (9), between upper supporting steel-cable (8) and lower support wire rope (9), be provided with crisscross oblique pull wire rope (10).
4. device according to claim 3, is characterized in that: the middle part of described flexible steel wire netting is provided with strengthens wire rope (11).
5. device according to claim 4, is characterized in that: described built-in fitting (7) and brace steel post (5) are provided with retainer ring for fixing wire rope or fixing hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849233.4U CN204401567U (en) | 2014-12-29 | 2014-12-29 | A kind ofly prevent the device entering stone in factory building tailwater channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849233.4U CN204401567U (en) | 2014-12-29 | 2014-12-29 | A kind ofly prevent the device entering stone in factory building tailwater channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204401567U true CN204401567U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420849233.4U Active CN204401567U (en) | 2014-12-29 | 2014-12-29 | A kind ofly prevent the device entering stone in factory building tailwater channel |
Country Status (1)
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| CN (1) | CN204401567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755598A (en) * | 2018-04-12 | 2018-11-06 | 中持水务股份有限公司 | A kind of pin-connected panel for channel drags for clearly device |
-
2014
- 2014-12-29 CN CN201420849233.4U patent/CN204401567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755598A (en) * | 2018-04-12 | 2018-11-06 | 中持水务股份有限公司 | A kind of pin-connected panel for channel drags for clearly device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |