CN108914893B - Hydraulically-driven sliding type energy dissipation device and construction method - Google Patents
Hydraulically-driven sliding type energy dissipation device and construction method Download PDFInfo
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- CN108914893B CN108914893B CN201810824718.0A CN201810824718A CN108914893B CN 108914893 B CN108914893 B CN 108914893B CN 201810824718 A CN201810824718 A CN 201810824718A CN 108914893 B CN108914893 B CN 108914893B
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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
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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Abstract
According to the invention, hydraulic cylinders are added in the energy dissipation device for regulation, sliding type energy dissipation structures are arranged on the left bank and the right bank of a river, and the sliding plate is moved through the hydraulic cylinders, so that different energy dissipation effects are realized according to different operating environments; in addition, the left bank and the right bank energy dissipators are matched, so that multiple energy dissipation modes such as left bank matched energy dissipation, left bank energy dissipation, right bank energy dissipation, left bank differential energy dissipation, right bank differential energy dissipation and the like can be realized, and the adjustability of the energy dissipators is improved.
Description
Technical Field
The invention relates to a hydraulic mechanical device, in particular to a hydraulically-driven sliding type energy dissipation device and a construction method thereof.
Background
Hydraulic engineering is an important engineering construction form in China, and particularly relates to an engineering which is constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting. The water conservancy project is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.
Because the water flow capacity is large, an energy dissipation device is usually required to be built, so that the washing of the water flow to the river channel is avoided, and the overall health performance of the river is protected. The existing water conservancy energy dissipation engineering is mostly fixed and not detachable, the adjusting performance is limited, once the structural form is determined, the existing water conservancy energy dissipation engineering can only adapt to a specific working condition and cannot be effectively adjusted; in the flood season and the non-flood season, the energy dissipation requirements are different, the existing energy dissipation device cannot realize automatic adjustment, only depends on fixed building energy dissipation, and does not have the performance of automatic adjustment.
Disclosure of Invention
The invention provides a hydraulic-driven sliding type energy dissipation device and a construction method thereof, aiming at the problems in the prior art.
The invention provides a hydraulic drive sliding type energy dissipater, which comprises a plurality of sliding type energy dissipaters arranged on the left bank and the right bank of a river, and is characterized in that: each sliding type energy dissipation device comprises a U-shaped groove, a steel plate, a reaction frame, a base plate, a hydraulic cylinder, a top steel plate and a sliding plate, wherein the U-shaped groove is arranged on a river bank, the hydraulic cylinder comprises a cylinder body and a piston, the steel plate is arranged at the bottom of the U-shaped groove, the bottom of the U-shaped groove is the bottom of the U-shaped groove extending into the river bank, namely the bottom of the U-shaped groove in the horizontal direction, the reaction frame is fixed on the steel plate, the cylinder body of the hydraulic cylinder is fixed on the reaction frame through the base plate, the piston rod is connected with the top steel plate, the top steel plate is fixedly connected with the sliding plate, a sliding rail extending along the longitudinal direction of the sliding plate is arranged on the sliding plate, a sliding groove matched with the sliding rail is arranged in the U-shaped groove, the sliding of the sliding rail in the sliding groove is used, the bottom of slide is higher than the bottom of the vertical direction in U-shaped groove, the bottom of the vertical direction in U-shaped groove is provided with the water catch bowl.
Preferably, the hydraulic cylinders are arranged in multiple groups and are uniformly distributed along the vertical direction of the U-shaped groove.
Preferably, the number of the base plates and the number of the top steel plates are equal to the number of the hydraulic cylinders.
Preferably, the hydraulic cylinder is connected with a control component, and the control component controls the expansion and contraction amount of a piston rod of the hydraulic cylinder and then controls the expansion and contraction amount of the sliding plate.
Preferably, the hydraulic cylinders are connected with a control component, the control component controls the expansion amount of piston rods of the hydraulic cylinders, and the multiple groups of hydraulic cylinders are connected with the control component, so that the multiple groups of hydraulic cylinders can work synchronously.
Preferably, the top of the sliding plate, which extends into the river, is provided with a plurality of slots, secondary energy dissipation plates are arranged in the slots, and the secondary energy dissipation plates are of double-comb-tooth structures, namely, the longitudinal section and the transverse section of each secondary energy dissipation plate are both provided with comb tooth structures.
The invention also provides a construction method of the hydraulically-driven sliding energy dissipater, which is characterized by comprising the following steps of: the method comprises the following construction steps:
s1: constructing an upstream cofferdam and a downstream cofferdam, wherein temporary cofferdams are respectively constructed upstream and downstream of a river section needing energy dissipation in the non-flood season, and the temporary cofferdams are of steel sheet pile structures, so that a dry construction environment is constructed;
s2: constructing U-shaped grooves, namely constructing the U-shaped grooves on the left bank and the right bank of a river needing energy dissipation respectively, erecting U-shaped steel templates respectively after the U-shaped grooves are excavated, arranging sliding groove structures on the two side walls of each U-shaped steel template, pouring concrete between the U-shaped steel templates and a bank foundation, curing to designed strength, and constructing the U-shaped grooves with the sliding groove structures without dismantling the U-shaped steel templates;
s3: installing a hydraulic cylinder, arranging a steel plate at the bottom of the U-shaped groove, arranging a reaction frame on the steel plate, sequentially arranging a base plate on the reaction frame, fixing a cylinder body of the hydraulic cylinder on the base plate, and fixing a top steel plate on a piston rod of the hydraulic cylinder;
s4: mounting a sliding plate, wherein the sliding plate comprises a sliding rail matched with the sliding groove, the sliding rail is matched in the sliding groove, and one end of the sliding plate is fixed on the top steel plate; then, sliding plates are arranged in the plurality of groups of U-shaped grooves according to design requirements;
s5: and (4) dismantling the upstream cofferdam and the downstream cofferdam to finish the construction of the energy dissipation device.
Preferably, in S2, the U-shaped groove is constructed by excavating an excavation section having a size larger than that of the U-shaped groove formwork, fixing the U-shaped groove formwork, pouring concrete by a grouting method, and curing.
Preferably, in S3, when the hydraulic cylinders are installed in multiple sets, the multiple sets of hydraulic cylinders are all connected to the control member.
The working principle of the invention is as follows:
when water flows from upstream to downstream, energy dissipation can be carried out through the sliding plate fixed in the U-shaped groove, wherein the sliding plate extends into the river, the length of the sliding plate extending into the river can be adjusted through the hydraulic cylinder, when large energy dissipation is needed, the sliding plate can extend into one part more, and the control element controls the piston rod to extend into a certain distance more; when smaller energy dissipation is needed, the control element controls the piston rod to retract, so that the sliding plate can retract, and the energy dissipation effect is reduced.
Sliding energy dissipation devices are arranged on the left bank and the right bank of the river, and the sliding plate can extend out or retract by using a control component, so that the energy dissipation in multiple working modes can be realized; for example, energy dissipation of left and right banks, energy dissipation of left bank only, energy dissipation of right bank only, differential energy dissipation of left bank, differential energy dissipation of right bank, wherein the differential energy dissipation means that the sliding extension distances of adjacent arrangements are different, thereby realizing multi-angle and multi-functional energy dissipation.
The invention has the advantages that:
hydraulic cylinders are added in the energy dissipation devices for adjustment, sliding type energy dissipation structures are arranged on the left bank and the right bank of the river, and the sliding plates are moved through the hydraulic cylinders, so that different energy dissipation effects are realized according to different operating environments; in addition, the left bank and the right bank energy dissipators are matched, so that multiple energy dissipation modes such as left bank matched energy dissipation, left bank energy dissipation, right bank energy dissipation, left bank differential energy dissipation, right bank differential energy dissipation and the like can be realized, and the adjustability of the energy dissipators is improved.
Description of the drawings:
FIG. 1 is a top view of the overall structure of the present invention;
figure 2 is a front view of the dissipater;
FIG. 3 is a schematic view of the connection of the hydraulic cylinder and the slide plate;
FIG. 4 is a schematic view of the arrangement of the slide plate and the slide rail;
FIG. 5 is a schematic view of a chute arrangement;
figure 6 is a schematic view of a two-stage energy dissipation plate arrangement;
FIG. 7 is a cross-sectional view of a secondary energy dissipation plate;
figure 8 is a longitudinal section of a secondary energy dissipater plate;
FIG. 9 is a construction flow chart of the present invention.
Wherein the direction of the arrows in figure 1 indicates the direction of the water flow.
The specific implementation mode is as follows: the structure defined in the present invention will be explained in detail with reference to the drawings attached to the specification.
The invention provides a hydraulic drive sliding type energy dissipater, which comprises a plurality of sliding type energy dissipaters arranged on the left bank and the right bank of a river, and is characterized in that: each sliding type energy dissipater comprises a U-shaped groove 1 arranged on a river bank, a steel plate 2, a reaction frame 3, a base plate 4, a hydraulic cylinder, a top steel plate 7 and a sliding plate 8, wherein the hydraulic cylinder comprises a cylinder body 5 and a piston 6, the steel plate 2 is arranged at the bottom of the U-shaped groove 1, the bottom of the U-shaped groove 1 is the bottom of the U-shaped groove 1 extending into the river bank, namely the bottom in the horizontal direction, the reaction frame 3 is fixed on the steel plate 2, the hydraulic cylinder body 5 is fixed on the reaction frame 3 through the base plate 4, the piston rod 6 is connected with the top steel plate 7, the top steel plate 7 is fixedly connected with the sliding plate 8, a sliding rail 9 extending along the longitudinal direction of the sliding plate 8 is arranged on the sliding plate 8, a sliding groove 10 matched with the sliding rail 9 is arranged in the U-shaped groove 1, and the sliding of the sliding rail 9 in the sliding, the sliding groove 10 and the sliding rail 9 are provided with a sealing waterproof part, the height of the sliding plate 8 is lower than that of the top of the U-shaped groove 1, the bottom of the sliding plate 8 is higher than that of the U-shaped groove 1 in the vertical direction, and the bottom of the U-shaped groove 1 in the vertical direction is provided with a water collecting groove 11.
Preferably, the hydraulic cylinders are arranged in multiple groups and are uniformly distributed along the vertical direction of the U-shaped groove 1.
Preferably, the number of the base plates 4 and the number of the top steel plates 7 are the same as the number of the hydraulic cylinders.
Preferably, a control member is connected to the hydraulic cylinder, and the control member controls the amount of extension and retraction of the hydraulic cylinder piston rod 6, and thus the amount of extension and retraction of the slide plate 8.
Preferably, the hydraulic cylinders are connected with a control component, the control component controls the expansion amount of the piston rods 6 of the hydraulic cylinders, and the multiple groups of hydraulic cylinders are connected with the control component, so that the multiple groups of hydraulic cylinders can work synchronously.
As a more preferable technical scheme, a plurality of slots are formed in the top of the sliding plate 8, which extends into the river, a secondary energy dissipation plate 12 is arranged in each slot, and the secondary energy dissipation plate 12 is of a double-comb structure, that is, comb structures are arranged on both the longitudinal section and the transverse section of the secondary energy dissipation plate 12.
The connection between the sliding plate 8 and the top steel plate 7 can be a bolt connection, and the connection between the piston rod 6 and the top steel plate 7, the connection between the hydraulic cylinder body 5 and the base plate 4, and the connection between the base plate 4 and the reaction frame 3 can be a bolt connection or a welding connection.
For the arrangement of the sliding type energy dissipater, the sliding type energy dissipater can be arranged at the left side and the right side of a river channel at intervals, and also can be continuously arranged on the left side, and then a plurality of sliding type energy dissipaters are arranged on the right side.
The hydraulic cylinder is arranged, sliding energy dissipation is achieved by means of extension and retraction of the piston rod 6, power can be continuously provided, automation or remote control is facilitated through the control component, and artificial control errors can be reduced.
The invention also provides a construction method of the hydraulically-driven sliding energy dissipater, which is characterized by comprising the following steps of: the method comprises the following construction steps:
s1: constructing an upstream cofferdam and a downstream cofferdam, wherein temporary cofferdams are respectively constructed upstream and downstream of a river section needing energy dissipation in the non-flood season, and the temporary cofferdams are of steel sheet pile structures, so that a dry construction environment is constructed;
s2: constructing a U-shaped groove 1, namely constructing the U-shaped groove 1 on the left bank and the right bank of a river needing energy dissipation respectively, erecting a U-shaped steel template after the U-shaped groove 1 is excavated, arranging sliding groove 10 structures on two side walls of the U-shaped steel template, pouring concrete between the U-shaped steel template and a bank foundation, curing to design strength, and constructing the U-shaped groove 1 with the sliding groove 10 structures without dismantling the U-shaped steel template;
s3: installing a hydraulic cylinder, arranging a steel plate 2 at the bottom of the U-shaped groove 1, arranging a reaction frame 3 on the steel plate 2, sequentially arranging a base plate 4 on the reaction frame 3, fixing a cylinder body 5 of the hydraulic cylinder on the base plate 4, and fixing a top steel plate 7 on a piston rod 6 of the hydraulic cylinder;
s4: installing a sliding plate 8, wherein the sliding plate 8 comprises a sliding rail 9 matched with the sliding groove 10, the sliding rail 9 is matched in the sliding groove 10, and one end of the sliding plate 8 is fixed on the top steel plate 7; then, installing sliding plates 8 in the plurality of groups of U-shaped grooves 1 according to design requirements;
s5: and (4) dismantling the upstream cofferdam and the downstream cofferdam to finish the construction of the energy dissipation device.
Preferably, in S2, the U-shaped channel 1 is excavated to form an excavated cross section having a size larger than that of the U-shaped rigid form, and then the U-shaped steel form is fixed, and concrete is poured by grouting and cured.
Preferably, in S3, when the hydraulic cylinders are installed in multiple sets, the multiple sets of hydraulic cylinders are all connected to the control member.
The working principle of the invention is as follows:
when water flows from upstream to downstream, energy dissipation can be carried out through the sliding plate 8 fixed in the U-shaped groove 1, wherein the sliding plate 8 extends into the river, the length of the sliding plate 8 extending into the river can be adjusted through a hydraulic cylinder, when large energy dissipation is needed, more sliding plates can extend into one part, and the control element controls the piston rod 7 to extend into a certain distance; when less energy dissipation is required, the control member controls the piston rod 7 to retract, so that the sliding plate 8 can be retracted, and the energy dissipation effect is reduced.
Sliding energy dissipation devices are arranged on the left bank and the right bank of the river, and the sliding plate 8 can extend out or retract by using a control component, so that the energy dissipation in multiple working modes can be realized; for example, energy dissipation of left and right banks, energy dissipation of left bank only, energy dissipation of right bank only, differential energy dissipation of left bank, differential energy dissipation of right bank, wherein the differential energy dissipation means that the sliding extension distances of adjacent arrangements are different, thereby realizing multi-angle and multi-functional energy dissipation.
The above-described embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be construed as being limited to the specific forms set forth in the examples, but also includes equivalent technical means which can be conceived by those skilled in the art from the present inventive concept.
Claims (8)
1. The utility model provides a hydraulic drive's slidingtype dissipater, this dissipater is including setting up a plurality of slidingtype dissipaters at river left bank and right bank, its characterized in that: each sliding type energy dissipation device comprises a U-shaped groove, a steel plate, a reaction frame, a base plate, a hydraulic cylinder, a top steel plate and a sliding plate, wherein the U-shaped groove is arranged on a river bank, the hydraulic cylinder comprises a cylinder body and a piston, the steel plate is arranged at the bottom of the U-shaped groove, the bottom of the U-shaped groove is the bottom of the U-shaped groove extending into the river bank, namely the bottom of the U-shaped groove in the horizontal direction, the reaction frame is fixed on the steel plate, the cylinder body of the hydraulic cylinder is fixed on the reaction frame through the base plate, the piston rod is connected with the top steel plate, the top steel plate is fixedly connected with the sliding plate, a sliding rail extending along the longitudinal direction of the sliding plate is arranged on the sliding plate, a sliding groove matched with the sliding rail is arranged in the U-shaped groove, the sliding of the sliding rail in the sliding groove is used for, the bottom of slide is higher than the bottom of the vertical direction in U-shaped groove, the bottom of the vertical direction in U-shaped groove is provided with the water catch bowl.
2. A hydraulically driven sliding dissipater as claimed in claim 1, wherein: the hydraulic cylinders are arranged into a plurality of groups and are uniformly distributed along the vertical direction of the U-shaped groove.
3. A hydraulically driven sliding dissipater as claimed in claim 2, wherein: the number of the base plate and the number of the top steel plates are the same as the number of the hydraulic cylinders.
4. A hydraulically driven sliding dissipater as claimed in claim 1, wherein: the hydraulic cylinder is connected with a control component, and the control component controls the telescopic amount of a piston rod of the hydraulic cylinder so as to control the telescopic amount of the sliding plate.
5. A hydraulically driven sliding dissipater as claimed in claim 2, wherein: the hydraulic cylinders are connected with a control component, the control component controls the telescopic amount of piston rods of the hydraulic cylinders, and the hydraulic cylinders are connected with the control component, so that synchronous operation of the hydraulic cylinders is realized.
6. A hydraulically driven sliding dissipater as claimed in claim 1, wherein: the top that the slide goes deep into the river is provided with a plurality of slots, be provided with the second grade energy dissipation board in the slot, the second grade energy dissipation board is double comb tooth structure, promptly the longitudinal section and the cross section of second grade energy dissipation board all are provided with broach structure.
7. A method of constructing a hydraulically driven sliding dissipater as claimed in any one of claims 1 to 6, wherein: the method comprises the following construction steps:
s1: constructing an upstream cofferdam and a downstream cofferdam, wherein temporary cofferdams are respectively constructed upstream and downstream of a river section needing energy dissipation in the non-flood season, and the temporary cofferdams are of steel sheet pile structures, so that a dry construction environment is constructed;
s2: constructing U-shaped grooves, namely constructing the U-shaped grooves on the left bank and the right bank of a river needing energy dissipation respectively, erecting U-shaped steel templates respectively after the U-shaped grooves are excavated, arranging sliding groove structures on the two side walls of each U-shaped steel template, pouring concrete between the U-shaped steel templates and a bank foundation, curing to designed strength, and constructing the U-shaped grooves with the sliding groove structures without dismantling the U-shaped steel templates;
s3: installing a hydraulic cylinder, arranging a steel plate at the bottom of the U-shaped groove, arranging a reaction frame on the steel plate, sequentially arranging a base plate on the reaction frame, fixing a cylinder body of the hydraulic cylinder on the base plate, and fixing a top steel plate on a piston rod of the hydraulic cylinder;
s4: mounting a sliding plate, wherein the sliding plate comprises a sliding rail matched with the sliding groove, the sliding rail is matched in the sliding groove, and one end of the sliding plate is fixed on the top steel plate; then, sliding plates are arranged in the plurality of groups of U-shaped grooves according to design requirements;
s5: and (4) dismantling the upstream cofferdam and the downstream cofferdam to finish the construction of the energy dissipation device.
8. The construction method according to claim 7, wherein: in the step S2, an excavation section larger than the size of the U-shaped groove template is excavated during the U-shaped groove construction, and then the U-shaped groove template is fixed, and concrete is poured by a grouting method and cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824718.0A CN108914893B (en) | 2018-07-25 | 2018-07-25 | Hydraulically-driven sliding type energy dissipation device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824718.0A CN108914893B (en) | 2018-07-25 | 2018-07-25 | Hydraulically-driven sliding type energy dissipation device and construction method |
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| Publication Number | Publication Date |
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| CN108914893A CN108914893A (en) | 2018-11-30 |
| CN108914893B true CN108914893B (en) | 2020-05-19 |
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| CN201810824718.0A Expired - Fee Related CN108914893B (en) | 2018-07-25 | 2018-07-25 | Hydraulically-driven sliding type energy dissipation device and construction method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109680657B (en) * | 2019-01-15 | 2024-03-19 | 中国水利水电科学研究院 | Spillway and construction method thereof |
| CN112761118A (en) * | 2020-12-30 | 2021-05-07 | 中国电建集团贵阳勘测设计研究院有限公司 | Energy dissipation structure for fixing steel plate special-shaped steps |
| CN113565066A (en) * | 2021-07-07 | 2021-10-29 | 水发金水建设工程有限公司 | Reinforcing device for embankment seepage-proofing protective structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590629B1 (en) * | 1985-11-25 | 1989-06-30 | Alsthom | DEVICE FOR DISSIPATING THE ENERGY OF A LIQUID FLOW WITH A FREE SURFACE, DAM AND HYDRAULIC TEST LOOP USING THE SAME |
| CN1022340C (en) * | 1990-07-16 | 1993-10-06 | 沈阳农业大学 | Energy-relief method of soft base spillway dam |
| CN204252317U (en) * | 2014-12-04 | 2015-04-08 | 长安大学 | A kind of energy dissipation damper extreme displacement protective device |
| CN107100143B (en) * | 2017-05-10 | 2019-06-07 | 西华大学 | A kind of energy-dissipating structure of hydraulic and hydroelectric engineering |
| CN107604883B (en) * | 2017-11-10 | 2019-12-27 | 查斌 | Energy dissipation buffering formula hydraulic pressure dam |
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Effective date of registration: 20200424 Address after: 475000 No. 1 Tokyo Avenue, Kaifeng City, Henan Province Applicant after: YELLOW RIVER CONSERVANCY TECHNICAL INSTITUTE Address before: 475000 Unit 1, Building 17, Rirenju District, Tokyo Avenue, Jinming District, Kaifeng City, Henan Province Applicant before: Li Zipeng |
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