CN112112139A - Water retaining structure for trash rack and opening and closing method thereof - Google Patents
Water retaining structure for trash rack and opening and closing method thereof Download PDFInfo
- Publication number
- CN112112139A CN112112139A CN202011173359.0A CN202011173359A CN112112139A CN 112112139 A CN112112139 A CN 112112139A CN 202011173359 A CN202011173359 A CN 202011173359A CN 112112139 A CN112112139 A CN 112112139A
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- Prior art keywords
- winding drum
- trash rack
- steel wire
- wire rope
- water retaining
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses a water retaining structure for a trash rack, which comprises the trash rack, wherein a first installation part is arranged at the top of the upstream surface of the trash rack, and a second installation part and a third installation part are sequentially arranged below the first installation part; the first winding mechanism comprises a first winding drum arranged on the first installation part, a steel wire rope is arranged on the first winding drum, one end of the steel wire rope is connected with the first winding drum, and the other end of the steel wire rope is connected with the third installation part; the second winding mechanism is positioned between the steel wire rope and the trash rack and comprises a second winding drum and a rubber rolling plate in friction connection with the steel wire rope, one end of the rubber rolling plate is wound on the second winding drum, and the other end of the rubber rolling plate is connected with the second mounting part through a connecting piece; when the steel wire rope is unreeled through the first reel, the rubber roll plate is unfolded under the action of gravity and attached to the upstream surface of the trash rack to realize the water retaining function; when the steel wire rope is wound by the first winding drum, the rubber rolling plate winds the second winding drum upwards by the friction force of the rubber rolling plate and the steel wire rope so as to achieve the purpose of blocking dirt.
Description
Technical Field
The invention relates to the technical field of water conservancy and hydropower engineering gates, in particular to a water retaining structure for a trash rack and an opening and closing method of the water retaining structure.
Background
The trash rack is widely applied to water conservancy and hydropower engineering and used for blocking sundries such as branches, miscellaneous trees, water plants, floating ice and the like which possibly enter a runner so as to purify a water body and protect the runner, a gate, a water turbine and other equipment. For small diversion projects, a gate is not usually arranged behind the trash rack, and an overhaul gate is not usually arranged behind the trash rack and in front of a working gate. Therefore, when equipment such as a channel or a working gate needs to be overhauled, only a temporary cofferdam is formed by piling soil or a water flow is cut off by closing an upstream gate. When the soil-piling cofferdam is adopted, the construction period is longer, and the soil-piling and cleaning engineering quantity is larger; if the upstream gate is closed, the normal operation of other parts of the canal system will be affected.
Disclosure of Invention
In order to solve the problems, the invention provides a water retaining structure for a trash rack, which has a simple structure and is convenient to operate, and simultaneously provides an opening and closing method of the water retaining structure for the trash rack, and the following technical scheme can be adopted:
the invention relates to a water retaining structure for a trash rack, which comprises
The trash rack comprises a trash rack body, wherein a first installation part is arranged at the top of the upstream face of the trash rack body, and a second installation part and a third installation part are sequentially arranged below the first installation part;
the first winding mechanism comprises a first winding drum arranged on the first installation part, a steel wire rope is arranged on the first winding drum, one end of the steel wire rope is connected with the first winding drum, and the other end of the steel wire rope is connected with the third installation part;
the second winding mechanism is positioned between the steel wire rope and the trash rack and comprises a second winding drum and a rubber rolling plate in friction connection with the steel wire rope, one end of the rubber rolling plate is wound on the second winding drum, and the other end of the rubber rolling plate is connected with the second mounting part through a connecting piece;
when the steel wire rope is unreeled through the first reel, the rubber roll plate is unfolded under the action of gravity and attached to the upstream surface of the trash rack to realize the water retaining function; when the steel wire rope is wound by the first winding drum, the rubber rolling plate winds the second winding drum upwards by the friction force of the rubber rolling plate and the steel wire rope so as to achieve the purpose of blocking dirt.
And when the second winding drum is positioned at the bottom of the trash rack, 0.5-1 circle of rubber rolling plate is wound on the second winding drum.
The trash rack comprises grid bars, a main cross beam is arranged at the top of each grid bar, edge beams fixedly connected with the main cross beams are arranged on two sides of each grid bar, and lifting lugs are arranged at the top of each main cross beam.
The first installation department is for setting up the reel support at the main beam top, the main beam top surface of reel support front side does the second installation department, the third installation department sets up on the leading flank at main beam top.
The reel support sets up in pairs, and first reel links to each other with the reel support through the pivot of tip, is provided with the locking piece between the end plate of first reel and the reel support, the outside of reel support still be provided with the crank that the pivot links to each other.
The locking piece is a bolt, a pin or a ratchet mechanism.
And when the rubber rolling plate is in an unfolded state, a water stop plate is arranged between the rubber rolling plate and the door slot.
The water stop plate is an L-shaped hard rubber plate.
And the edge beam is provided with a sliding block.
The invention relates to a method for opening and closing a water retaining structure for a trash rack,
when water is retained, the first winding drum is unlocked, and the first winding drum is rotated to unreel the steel wire rope from the first winding drum; when the steel wire rope is unreeled, the rubber winding drum positioned on the second mounting part is driven by the steel wire rope to roll out of the second mounting part, gradually unfolded under the action of gravity and attached to the upstream surface of the trash rack; when the second winding drum connected with the rubber winding drum reaches the bottom of the trash rack, unwinding of the steel wire rope is finished;
when dirt is blocked, the first winding drum is rotated reversely, the steel wire rope is wound around the first winding drum, and meanwhile, the rubber rolling plate in friction connection with the steel wire rope is continuously wound around the second winding drum until the rubber rolling plate reaches the second installation part.
The water retaining structure for the trash rack provided by the invention adopts the rubber roll plate which can be rolled and unfolded on the upstream surface of the trash rack, so that the trash rack can have the function of overhauling a gate when equipment is overhauled, the overhauling work is convenient to smoothly carry out, the structure is ingenious, the construction is simple, the transformation cost is low, and the water retaining structure is convenient and quick to open and close when being adopted for opening and closing operation, and the advantages are embodied in the following aspects:
1) the overflow trash blocking function of the trash blocking grid is achieved, and the water retaining function of the gate can be achieved;
2) only one door slot is needed to be arranged, and extra occupied space is not needed; the existing concrete structure is not changed, and the redesign and construction of a civil engineering part are not needed for reconstruction projects;
3) the opening and closing of the original trash rack are not influenced, and the trash removal effect is not influenced when the rubber roll plate is rolled (namely, the door is opened to block trash);
4) in the process of opening and closing the door, only partial water pressure, dead weight and frictional resistance of the rubber rolling plate need to be overcome, and compared with a common steel gate, the opening and closing force is greatly reduced, and the operation can be carried out manually.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a view from a-a of fig. 1.
Fig. 3 is a view from the direction B-B of fig. 1 (water-retaining state).
Fig. 4 is a view from B-B of fig. 1 (trash holding state).
Fig. 5 is a schematic view of the structure of the trash rack of fig. 1.
Fig. 6 is a schematic view of the structure of the first reel in fig. 1.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-6, the water retaining structure for a trash rack of the present invention includes a trash rack 1, a first rolling mechanism 2 and a second rolling mechanism 3, wherein the trash rack 1 includes a grid 1.1, a main beam 1.2 is installed on the top of the grid 1.1, side beams 1.3 fixedly connected with the main beam 1.2 are installed on both sides of the grid 1.1, a lifting lug 1.4 for lifting the trash rack 1 is installed on the top of the main beam 1.2, and a sliding block 1.5 facilitating the up-and-down movement of the trash rack 1 in a door slot is installed on the side beams 1.3. The upstream face top of trash rack 1 is provided with first installation department, and first installation department below has set gradually second installation department and third installation department, and wherein, first installation department is a pair of reel support 1.6 of installing at main beam 1.2 top, and the main beam 1.2 top surface of reel support 1.6 front side is the second installation department, and the third installation department is located the top leading flank of main beam 1.2, has annular pin 1.7 for the afterbody usually.
The second winding mechanism 3 is positioned between the steel wire rope 2.6 and the trash rack 1 and comprises a second winding drum 3.1 and a rubber roll plate 3.2 in friction connection with the steel wire rope 2.6, one end of the rubber roll plate 3.2 is fixedly connected with the second winding drum 3.1 and wound on the second winding drum 3.1, and the other end of the rubber roll plate is fixed on the top surface (namely a second installation part) of the main beam 1.2 at the front side of the winding drum support 1.6 through a connecting piece 3.3 such as a screw and the like. The rubber roll plate 3.2 is positioned on the top surface of the main beam 1.2 when being completely rolled, and the gravity center of the rubber roll plate is approximately positioned on the surface of the front side wall of the main beam 1.2. The main material of the rubber roll plate 3.2 is natural rubber, and the width of the rubber roll plate 3.2 is 3-5cm narrower than the opening due to the deviation of the concrete structure size; when the rubber rolling plate 3.2 falls to the bottom of the trash rack 1, the rubber rolling plate 3.2 on the second winding drum 3.1 still keeps the allowance of 0.5-1 circle.
When the steel wire rope 2.6 is unreeled through the first reel 2.1, the rubber roll plate 3.2 is unfolded under the action of gravity and attached to the upstream surface of the trash rack 1 to realize the water retaining function; when the steel wire rope 2.6 is wound by the first winding drum 2.1, the rubber rolling plate 3.2 is wound upwards around the second winding drum 3.1 by the friction force of the steel wire rope 2.6 so as to achieve the purpose of blocking sewage.
Specifically, according to the opening and closing method of the water retaining structure for the trash rack, when water is retained, the locking piece 2.5 is firstly unlocked for the first winding drum 2.1, and the crank 2.3 is used for rotating the first winding drum 2.1, so that the steel wire rope 2.6 is unreeled from the first winding drum 2.1; when the steel wire rope 2.6 is unreeled, the rubber roll plate 3.2 on the second installation part is driven by the friction force of the steel wire rope 2.6 to roll out of the second installation part, and gradually unfolded and attached to the upstream face of the trash rack 1 under the action of gravity; when the second winding drum 2.1 connected with the rubber roll 3.2 reaches the bottom of the trash rack 1, the steel wire rope 2.6 is unreeled; then, an L-shaped water stop plate 4 can be arranged between the rubber rolling plate 3.2 and the door slot, so that the edge of the rubber rolling plate 3.2 is well attached to the trash rack 1, and the central part of the rubber rolling plate 3.2 is attached and sealed with the trash rack 1 by water pressure. The water stop plate 4 is made of a hard rubber plate, is pre-bent to 70-80 degrees before use, and is bent to 90 degrees under the action of water pressure.
When trash blocking is carried out, the first winding drum 2.1 is rotated reversely, the steel wire rope 2.6 is wound around the first winding drum 2.1, meanwhile, the rubber roll plate 3.2 in friction connection with the steel wire rope 2.6 is continuously wound around the second winding drum 2.1 until the rubber roll plate 3.2 reaches the second installation part, and then the first winding drum 2.1 is locked.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a water retaining structure for trash rack which characterized in that: comprises that
The trash rack comprises a trash rack body, wherein a first installation part is arranged at the top of the upstream face of the trash rack body, and a second installation part and a third installation part are sequentially arranged below the first installation part;
the first winding mechanism comprises a first winding drum arranged on the first installation part, a steel wire rope is arranged on the first winding drum, one end of the steel wire rope is connected with the first winding drum, and the other end of the steel wire rope is connected with the third installation part;
the second winding mechanism is positioned between the steel wire rope and the trash rack and comprises a second winding drum and a rubber rolling plate in friction connection with the steel wire rope, one end of the rubber rolling plate is wound on the second winding drum, and the other end of the rubber rolling plate is connected with the second mounting part through a connecting piece;
when the steel wire rope is unreeled through the first reel, the rubber roll plate is unfolded under the action of gravity and attached to the upstream surface of the trash rack to realize the water retaining function; when the steel wire rope is wound by the first winding drum, the rubber rolling plate winds the second winding drum upwards by the friction force of the rubber rolling plate and the steel wire rope so as to achieve the purpose of blocking dirt.
2. The water retaining structure for a trash rack of claim 1, wherein: and when the second winding drum is positioned at the bottom of the trash rack, 0.5-1 circle of rubber rolling plate is wound on the second winding drum.
3. The water retaining structure for a trash rack of claim 1, wherein: the trash rack comprises grid bars, a main cross beam is arranged at the top of each grid bar, edge beams fixedly connected with the main cross beams are arranged on two sides of each grid bar, and lifting lugs are arranged at the top of each main cross beam.
4. The water retaining structure for a trash rack of claim 3, wherein: the first installation department is for setting up the reel support at the main beam top, the main beam top surface of reel support front side does the second installation department, the third installation department sets up on the leading flank at main beam top.
5. The water retaining structure for a trash rack of claim 4, wherein: the reel support sets up in pairs, and first reel links to each other with the reel support through the pivot of tip, is provided with the locking piece between the end plate of first reel and the reel support, the outside of reel support still be provided with the crank that the pivot links to each other.
6. The water retaining structure for a trash rack of claim 5, wherein: the locking piece is a bolt, a pin or a ratchet mechanism.
7. The water retaining structure for a trash rack of claim 6, wherein: and when the rubber rolling plate is in an unfolded state, a water stop plate is arranged between the rubber rolling plate and the door slot.
8. The water retaining structure for a trash rack of claim 7, wherein: the water stop plate is an L-shaped hard rubber plate.
9. The water retaining structure for a trash rack of claim 2, wherein: and the edge beam is provided with a sliding block.
10. The opening and closing method of the water retaining structure for a trash rack of claim 1, wherein:
when water is retained, the first winding drum is unlocked, and the first winding drum is rotated to unreel the steel wire rope from the first winding drum; when the steel wire rope is unreeled, the rubber winding drum positioned on the second mounting part is driven by the steel wire rope to roll out of the second mounting part, gradually unfolded under the action of gravity and attached to the upstream surface of the trash rack; when the second winding drum connected with the rubber winding drum reaches the bottom of the trash rack, unwinding of the steel wire rope is finished;
when dirt is blocked, the first winding drum is rotated reversely, the steel wire rope is wound around the first winding drum, and meanwhile, the rubber rolling plate in friction connection with the steel wire rope is continuously wound around the second winding drum until the rubber rolling plate reaches the second installation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173359.0A CN112112139A (en) | 2020-10-28 | 2020-10-28 | Water retaining structure for trash rack and opening and closing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173359.0A CN112112139A (en) | 2020-10-28 | 2020-10-28 | Water retaining structure for trash rack and opening and closing method thereof |
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| Publication Number | Publication Date |
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| CN112112139A true CN112112139A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011173359.0A Pending CN112112139A (en) | 2020-10-28 | 2020-10-28 | Water retaining structure for trash rack and opening and closing method thereof |
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| CN (1) | CN112112139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134862A (en) * | 2021-11-05 | 2022-03-04 | 国网福建省电力有限公司 | Underwater trash blocking device with water blocking function |
-
2020
- 2020-10-28 CN CN202011173359.0A patent/CN112112139A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134862A (en) * | 2021-11-05 | 2022-03-04 | 国网福建省电力有限公司 | Underwater trash blocking device with water blocking function |
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