CN210395257U - Dam crest seepage pressure facility drill way protector - Google Patents
Dam crest seepage pressure facility drill way protector Download PDFInfo
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- CN210395257U CN210395257U CN201920922921.1U CN201920922921U CN210395257U CN 210395257 U CN210395257 U CN 210395257U CN 201920922921 U CN201920922921 U CN 201920922921U CN 210395257 U CN210395257 U CN 210395257U
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- cover plate
- seepage pressure
- dam crest
- orifice
- dam
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Abstract
A dam crest seepage pressure facility orifice protective device mainly comprises a column and a cover plate; the method is characterized in that: the protective device supporting structure is in an angle steel upright type and consists of four angle steels, the angle steels are welded and fixed by steel plate connecting pieces, the top end of the upright is in a bracket type and consists of four angle steels, the angle steels are welded and form a hoop shape, and the top ends of the upright are kept flush; the cover plate is a quadrilateral galvanized steel plate and is attached to a hoop-shaped bracket formed by angle steel, and one side of the cover plate is connected with the bracket angle steel through a hinge. The utility model has the advantages that: 1. the orifice protection device of the seepage pressure monitoring facility is integrated with the road surface at the top of the dam in the same height range, and the traffic is not influenced. 2. The protective device has simple and firm structure, can prevent rainwater from flowing into and being damaged by people and livestock, and can be locked and opened conveniently. 3. The utility model has the advantages of smooth and beautiful appearance, low cost and convenient replacement. 4. When the protection device adopts a self-recording or remote measuring device, various requirements of the measuring instrument are met.
Description
Technical Field
The utility model belongs to a hydraulic and hydroelectric engineering dam seepage pressure technical field, concretely relates to dam crest seepage pressure facility drill way protector that structure is simple and convenient.
Background
The seepage pressure of the dam is divided into seepage pressure of a dam body and seepage pressure of a dam foundation, and the monitoring content comprises monitoring section seepage pressure distribution and determining the seepage position. The position of the observation section is determined according to the comprehensive consideration of engineering importance, dam scale, seepage prevention and drainage measures, construction method and quality, dam foundation engineering geological structure, stratum structure, hydrogeological conditions, design and test results and the like, and is generally arranged at a part which can control the main seepage condition and predict possible problems, wherein the part comprises the following parts: the high section and closure section of the highest dam of the riverbed, the section which can generate cracks and has obvious topographic variation, the boundary section of the dam foundation soil layer variation, the section with poor or questionable construction quality, and the section through which bedrock is broken or has faults. The dam seepage pressure monitoring result provides important technical support for the evaluation of the safety state of the dam.
The seepage pressure monitoring instrument can select a piezometer tube or a pore water pressure meter according to different monitoring purposes, soil body water permeability, seepage field characteristics, embedding conditions and the like. The pressure measuring pipe is composed of a water permeable pipe and a conduit, is generally made of galvanized steel pipes or hard plastic pipes, has an inner diameter of 50mm, and can be embedded along with the dam body or embedded by drilling after the dam body is finished and before water storage. If the pore water pressure gauge is embedded by drilling, the drilling and embedding requirements are related to the regulations of embedding the piezometer tube.
And after the seepage pressure monitoring facility is installed and buried, and the inspection is qualified, an orifice protection device needs to be installed.
The utility model provides a novel scheme to reservoir dam crest seepage pressure facility drill way protector, seepage pressure drill way protector can adopt concrete prefab, cast in situ concrete or masonry etc. generally, part directly adopts the steel pipe to open and close for the lag and dispose ordinary padlock, these protector all expose and be higher than dam crest or domatic on, there is a great deal of inconvenience in the actual monitoring use in ① dam crest seepage pressure monitoring facility drill way and protection mound are higher than dam crest road surface, seriously influence dam crest traffic requirement, ② if adopt concrete protection mound, open inconveniently, influence observation work, ③ dispose ordinary padlock corrosion and easily damage, ④ exposes on dam crest or domatic, have dam crest and domatic roughness and aesthetic property.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, providing a dam crest seepage pressure facility drill way protector, the technical problem that this protector can solve is: (1) the dam crest protecting device is integrated with the dam crest road surface, so that the traffic is not influenced; (2) the protection device is firm and simple in opening and closing; (3) and (4) the appearance is attractive.
The technical scheme of the utility model adopted is as follows: a dam crest seepage pressure facility orifice protective device mainly comprises a column and a cover plate, wherein the upper end of the column is provided with the cover plate; the method is characterized in that: the upright post is a supporting structure of the protective device and is in an angle steel upright post type and consists of four angle steels, the angle steels are welded and fixed by steel plate connecting pieces, the top end of the upright post is in a bracket type and consists of four angle steels, the angle steels are welded and form a hoop shape, and the top end of the upright post is kept flush; the cover plate is a quadrilateral galvanized steel plate and is attached to a hoop-shaped bracket formed by angle steel, and one side of the cover plate is connected with the bracket angle steel through a hinge.
Furthermore, the number of the support hinges is two, and two sides of each support hinge are respectively welded with the steel plate cover plate and the hoop-shaped angle steel.
Furthermore, the space below the cover plate is provided with a pressure measuring pipe (hole) port plug for protecting the pipe port, and when a self-recording or remote measuring device is adopted, a wire port is reserved for the requirement of cable penetration.
Furthermore, a lock hole is reserved in the middle of the cover plate, and the reserved lock hole is arranged between the other side corresponding to the hinge and the pipe (hole) opening plug.
Furthermore, a fastening device is fixed at the lock hole of the cover plate, one end of the fastening device is a triangular lock cylinder, and the other end of the fastening device is a fastening piece.
Furthermore, the fastening device is opened through an unlocking device which is a triangular lock, one end of the triangular lock is a hole of a triangular lock core corresponding to the fastening device, and the other end of the triangular lock is an arc-shaped handle.
Furthermore, the end surface of the orifice protection device of the dam crest seepage pressure facility and the dam crest concrete pavement are positioned on the same horizontal line.
The utility model has the advantages that: 1. the orifice protection device of the seepage pressure monitoring facility is integrated with the road surface at the top of the dam in the same height range, and the traffic is not influenced. 2. The protective device has simple and firm structure, can prevent rainwater from flowing into and being damaged by people and livestock, and can be locked and opened conveniently. 3. The utility model has the advantages of smooth and beautiful appearance, low cost and convenient replacement. 4. When the protection device adopts a self-recording or remote measuring device, various requirements of the measuring instrument are met.
Drawings
Fig. 1 is the overall view of the seepage pressure monitoring system and the protection device of the utility model.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a sectional view of the protection device of the present invention.
Fig. 4 is a plan view of the protection device of the present invention.
Fig. 5 is a schematic view of the triangular lock of the present invention.
In the figure, A is an orifice protection device of a dam crest seepage pressure facility, B is a dam crest concrete pavement, C is backfill clay, D is backfill medium coarse sand, and E is a seepage pressure facility.
In the figure, an angle steel 1, a steel plate connecting piece 2, a galvanized steel plate 3, a hinge 4, a lock hole 5, a triangular lock 6 and a pipe orifice plug 7.
Detailed Description
The technical scheme of the utility model adopted is as follows: an orifice protection device of a seepage pressure facility at the dam crest is arranged as shown in figures 1-5, and the orifice protection device A of the seepage pressure monitoring facility mainly comprises angle steel 1, a steel plate connecting piece 2, a galvanized steel plate 3, a support hinge 4, a lock hole 5, a triangular lock 6 and a pipe orifice plug 7. The protection device supporting structure is of an angle steel upright column type and is composed of four angle steels 1, and the angle steels 1 are welded and fixed through steel plate connecting pieces 2. The top end of the upright post is in a bracket type formed by four angle steels, and the angle steels are welded to form a hoop shape. The top end is kept flush during manufacturing. The cover plate is a quadrilateral galvanized steel plate 3 and is attached to a hoop-shaped bracket formed by angle steel, one side of the cover plate is connected with the bracket angle steel through a support hinge 4, and two sides of the support hinge 4 are respectively welded with the steel plate cover plate and the hoop-shaped angle steel.
A lock hole 5 is reserved in the middle of one side of the cover plate, the fastening device is fixed at the position of the lock hole 5 of the cover plate, one end of the fastening device is a triangular lock cylinder, and the other end of the fastening device is a fastening piece. The unlocking device is a triangular lock 6, one end of the unlocking device is a triangular hole corresponding to the fastening device, and the other end of the unlocking device is an arc-shaped handle. When a self-recording or remote measuring device is adopted, vent holes need to be reserved at the pipe orifice or the bolt cap so as to meet various requirements of a measuring instrument. When the dam is installed and buried, the galvanized steel plate cover plate is required to be flush with the concrete pavement at the top of the dam so as to ensure that the traffic at the top of the dam is not influenced. When the lock is opened, the triangular lock is required to be arranged at the lock hole fastening device and rotated.
The whole system is integrated with the dam crest pavement, wherein the end surface of the dam crest seepage pressure facility orifice protective device A and the dam crest concrete pavement B are positioned on the same horizontal line, the structure is simple and firm, the opening is convenient, and the locking and damage prevention can be realized.
The above is only the preferred embodiment of the present invention, and it should be pointed out that the present invention is not limited to the above specific embodiments, wherein the facilities and structures not described in detail are understood to be implemented by the general method in the field, and for those skilled in the art, without departing from the solution and idea of the present invention, the technology of the present invention is subject to several modifications, improvements and changes, all belonging to the protection scope of the technology of the present invention.
Claims (7)
1. A dam crest seepage pressure facility orifice protective device mainly comprises a column and a cover plate, wherein the upper end of the column is provided with the cover plate; the method is characterized in that: the upright post is a supporting structure of the protective device and is in an angle steel upright post type and consists of four angle steels, the angle steels are welded and fixed by steel plate connecting pieces, the top end of the upright post is in a bracket type and consists of four angle steels, the angle steels are welded and form a hoop shape, and the top end of the upright post is kept flush; the cover plate is a quadrilateral galvanized steel plate and is attached to a hoop-shaped bracket formed by angle steel, and one side of the cover plate is connected with the bracket angle steel through a hinge.
2. The orifice protector for a dam crest seepage pressure installation according to claim 1, wherein: the two support hinges are welded with the steel plate cover plate and the hoop-shaped angle steel respectively at two sides of the support hinges.
3. The orifice protector for a dam crest seepage pressure installation according to claim 1, wherein: and a pressure measuring pipe orifice plug is arranged in the space below the cover plate.
4. The orifice protector for a dam crest seepage pressure installation according to claim 3, wherein: a lock hole is reserved in the middle of the cover plate and is arranged between the other side corresponding to the support hinge and the pipe orifice plug.
5. The orifice protector for a dam crest seepage pressure installation according to claim 4, wherein: a fastening device is fixed at the lock hole of the cover plate, one end of the fastening device is a triangular lock cylinder, and the other end of the fastening device is a fastening piece.
6. The orifice protector for a dam crest seepage pressure installation according to claim 5, wherein: the fastening device is opened through the unlocking device, the unlocking device is a triangular lock, one end of the triangular lock is a hole of a triangular lock cylinder corresponding to the fastening device, and the other end of the triangular lock is an arc-shaped handle.
7. The orifice protector for a dam crest seepage pressure installation according to claim 1, wherein: the end surface of the orifice protection device of the dam crest seepage pressure facility and the dam crest concrete pavement are positioned on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922921.1U CN210395257U (en) | 2019-06-18 | 2019-06-18 | Dam crest seepage pressure facility drill way protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922921.1U CN210395257U (en) | 2019-06-18 | 2019-06-18 | Dam crest seepage pressure facility drill way protector |
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| Publication Number | Publication Date |
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| CN210395257U true CN210395257U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920922921.1U Active CN210395257U (en) | 2019-06-18 | 2019-06-18 | Dam crest seepage pressure facility drill way protector |
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| CN (1) | CN210395257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077786A (en) * | 2022-06-30 | 2022-09-20 | 江西省水利科学院 | Magnetic force exhaust formula pressure-measuring pipe |
-
2019
- 2019-06-18 CN CN201920922921.1U patent/CN210395257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077786A (en) * | 2022-06-30 | 2022-09-20 | 江西省水利科学院 | Magnetic force exhaust formula pressure-measuring pipe |
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