CN108677887B - Inclined supporting jacking type overflow weir plate and lifting method thereof - Google Patents
Inclined supporting jacking type overflow weir plate and lifting method thereof Download PDFInfo
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- CN108677887B CN108677887B CN201810879756.6A CN201810879756A CN108677887B CN 108677887 B CN108677887 B CN 108677887B CN 201810879756 A CN201810879756 A CN 201810879756A CN 108677887 B CN108677887 B CN 108677887B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
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Abstract
An inclined supporting jacking type overflow weir plate and a lifting method of the weir plate comprise a weir plate body, a base and a supporting device, wherein the base is arranged below the weir plate body, the supporting device comprises a first rotating shaft support, a second rotating shaft support, a plurality of third rotating shaft supports, a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate, a first hydraulic rod and a second hydraulic rod control the arc-shaped plates to stretch and overlap so as to control the falling of the weir plate, the opening and closing angle of the weir plate can be controlled by the opening and closing mode, the phenomenon that the flow of the overflow water under the weir plate directly acts on the base to flush the base and cause other damages is effectively avoided, the rotating shaft supports on the back water side of the weir plate are not directly arranged at the top end of the weir plate, the treatment of the flow moving to the bottom end of the weir plate is carried out, and thus the phenomenon that the flow of the overflow weir; be equipped with the spring part between panel and basic base, can effectively reduce the vibration that the weir rivers arouse panel and the loss of vibration to hydraulic stem spare of crossing.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering equipment, and particularly relates to an inclined supporting jacking type overflow weir plate and a lifting method of the weir plate.
Background
On the traditional overflow dam, almost all the energy of the downward discharge water flow is transmitted to the downstream dam site and is intensively dissipated through underflow, face scoop, trajectory and other modes. The energy dissipater facility can effectively consume and disperse energy in the discharged water flow, so that the water flow is smoother when entering a downstream river channel as much as possible, and the discharged water flow is prevented from scouring a downstream river bed and causing other hazards. The prior art discloses an inclined supporting jacking type overflow weir, wherein a hydraulic rod piece directly acts on a weir plate, and a piston of the hydraulic rod piece moves to drive the weir plate to fall and stand. Compare in traditional overflow weir, novel overflow weir has that the water conservancy condition is better, the operation is more reliable, the more economic reasonable advantage of cost, nevertheless in the weir plate manger plate, cross the direct flood discharge of weir rivers with concentrated flood discharge to soleplate, even if this novel overflow weir is suitable for the flood discharge low, the earial drainage ability is limited, and it is less to cross weir rivers single wide flow, still can cause to erode and vibrate soleplate in the structure, influence operation operating mode and structural stability over time.
Disclosure of Invention
In order to solve the above-mentioned deficiencies of the prior art, the present invention aims to provide a new weir plate lifting mode to replace the prior weir plate falling and standing driven by the movement of the hydraulic rod piston, and to solve the problem of damage caused by direct falling of the weir-passing water flow to the base plate while changing the mode.
The technical scheme of the invention is as follows: an inclined supporting jacking type overflow weir plate comprises a weir plate body, a basic base and a supporting device, wherein the basic base is arranged below the weir plate body, the basic base is provided with a water collecting well for timely eliminating accumulated water behind a weir, the supporting device comprises a first rotating shaft support, a second rotating shaft support, a plurality of third rotating shaft supports, a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate, the first rotating shaft support and the second rotating shaft support are respectively arranged on the back water side of the weir plate body, the plurality of third rotating shaft supports are fixedly arranged on the basic base, one end of the first arc-shaped plate is hinged with the weir plate body through the first rotating shaft support, the second arc-shaped plate and the third arc-shaped plate are sequentially arranged below the first arc-shaped plate, the second arc-shaped plate and the third arc-shaped plate are connected through rotating shafts, the tail end of the third arc-shaped plate is connected with the third rotating shaft support, a first hydraulic rod is arranged between the basic hydraulic base and the rotating shafts, the second rotating shaft support connects the basic base with the weir plate body through a second hydraulic rod and a third rotating shaft support, and a spring is further arranged between the weir plate body and the base.
Further optimize, be provided with the arch on the basis base, the third pivot support that is connected with the third arc with the one end setting of spring is in on the arch.
Further preferably, a flip bucket is arranged on the third rotating shaft support, and the flip bucket is arranged in a downward inclined mode.
Further optimize, the spout has been seted up to two sides of second arc, the one end that the spout is close to the weir plate body is provided with the screens groove, and first arc passes through the slider and is in slide and fix in the screens groove in the spout.
Preferably, the second hydraulic rod extends for a length greater than that of the first hydraulic rod.
Further preferably, one end of the second hydraulic rod is arranged at one third of the position, away from the top end, of the weir plate body 1.
Preferably, the spring is a compression spring.
A lifting method of an inclined supporting jacking type overflow weir comprises the steps of opening and closing a weir plate body, and comprises the following specific steps:
step one, opening the weir plate body:
a. the weir plate body is jacked by the extension of the second hydraulic rod, the first hydraulic rod is completely extended to serve as an auxiliary support, the first hydraulic rod and the auxiliary support are extended and simultaneously drive the second arc-shaped plate and the third arc-shaped plate to be unfolded upwards, the third arc-shaped plate rotates around the third rotating shaft support to extend, the second arc-shaped plate rotates around the rotating shaft to extend, and the weir plate body is in a half-open state;
b. based on the half-opened state of the weir plate body in the step one, the first arc-shaped plate slides upwards along the second arc-shaped plate 8 to be unfolded, namely the weir plate body is completely opened;
step two, closing the weir plate body:
c. the first hydraulic rod and the second hydraulic rod are contracted, and the third arc-shaped plate is driven to rotate clockwise around the third rotating shaft support until the second hydraulic rod and the first hydraulic rod are contracted, and at the moment, the weir plate body is in a semi-closed state;
d. and c, based on the semi-closed state in the step c, downwards sliding the first arc-shaped plate along the sliding groove of the second arc-shaped plate until the first arc-shaped plate and the second arc-shaped plate are overlapped, and rotating around the rotating shaft anticlockwise after the overlapping is finished until the weir plate body is completely closed.
Preferably, in the step b, the first arc-shaped plate slides upwards along the second arc-shaped plate to be fully unfolded.
Preferably, in the step b, the first arc-shaped plate slides upwards along the second arc-shaped plate to be unfolded, and the unfolding length of the first arc-shaped plate is half of that of the first arc-shaped plate.
The invention has the beneficial effects that:
compared with the prior art, the weir-passing water flow can be guided by the plate behind the weir and then enters the downstream, the phenomenon that the weir-passing water flow discharged downwards directly acts on the base plate to cause scouring and other damages to the base plate can be effectively avoided, the force transmission device is simple, the opening and closing of the weir plate body are mainly controlled by the hydraulic rod piece, and the maintenance cost is low;
a first hydraulic rod and a second hydraulic rod are arranged between the arc-shaped plate and the base, so that the vibration of weir-passing water flow on the arc-shaped plate and the shaking of downward-discharging water flow on the whole structure can be effectively reduced, and the damage caused by the fact that the weir-passing water flow directly falls to the base is prevented;
thirdly, under the condition of low water head operation, in order to ensure that the weir plate has more aesthetic property and ornamental value, the first rotating shaft support connected with the first arc-shaped plate at the back water side of the weir plate body is not directly arranged at the top end of the weir plate, and the first rotating shaft support moves towards the bottom end of the weir plate body, so that a water drop phenomenon can be formed in the process that the water flow passing through the weir plate falls to the arc-shaped plate;
in conclusion, the opening and closing of the weir plate body are realized by adopting the matching use of the hydraulic rod and the arc-shaped plate, and compared with the traditional mode, the weir plate has the advantages of better water conservancy condition, more reliable operation and more economic and reasonable manufacturing cost.
Drawings
FIG. 1 is a schematic view of the weir plate body when opened
FIG. 2 is a schematic view of the weir plate body when closed
FIG. 3 is a schematic view of the first arc-shaped plate not fully unfolded
Reference numerals: 1. the weir plate comprises a weir plate body, 2, a base, 3, a first rotating shaft support, 4, a second rotating shaft support, 5, a third rotating shaft support, 6, a first arc-shaped plate, 7, a second arc-shaped plate, 8, a third arc-shaped plate, 9, a rotating shaft, 10, a first hydraulic rod, 11, a second hydraulic rod, 12, a spring, 13, a bulge, 14, a flip bucket, 15, a sliding groove and 16 sliding blocks.
Detailed Description
In order to make the technical means, the original characteristics, the achieved objects and the beneficial effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
An inclined supporting jacking type overflow weir plate and a lifting method of the weir plate are disclosed, and the specific implementation mode is as follows: an inclined supporting jacking type overflow weir plate comprises a weir plate body 1, a base 2 and a supporting device, wherein the base 2 is arranged below the weir plate body 1, the width of the weir plate body 1 is about 5-6 m, the weir plate is too wide to be beneficial to practical engineering operation, a spring 12 is further arranged between the weir plate body 1 and the base 2, the spring 12 is a compression spring, the supporting device comprises a first rotating shaft support 3, a second rotating shaft support 4, a plurality of third rotating shaft supports 5, a first arc-shaped plate 6, a second arc-shaped plate 7 and a third arc-shaped plate 8, the first rotating shaft support 3 and the second rotating shaft support 4 are respectively arranged on the backwater side of the weir plate body 1, the plurality of third rotating shaft supports 5 are fixedly arranged on the base 2, a bulge 13 is arranged on the base 2, the base 2 and the bulge 13 are both prepared from reinforced concrete, one end of the third rotating shaft support 5 connected with the third arc-shaped plate 8 and one end of the spring 12 are arranged on the bulge 13, the third rotating shaft support 5 is provided with a flip bucket 14, the flip bucket 14 is arranged in a downward inclined manner, one end of the first arc-shaped plate 6 is hinged with the weir plate body 1 through the first rotating shaft support 3, the first rotating shaft support 3 is not directly arranged at the top end of the weir plate body 1 but arranged at a quarter of the distance from the top end of the back water side of the weir plate body 1, the aim is to form a water dropping phenomenon in the process that the weir water drops to the arc-shaped plate, the second arc-shaped plate 7 and the third arc-shaped plate 8 are sequentially arranged below the first arc-shaped plate 6, one side surface of the second arc-shaped plate 7 is provided with a sliding groove 15, one end of the sliding groove 15, which is close to the weir plate body 1, is provided with a clamping groove, the first arc-shaped plate 6 slides in the sliding groove 15 through a sliding block 16 and is fixed in the clamping groove, and the second arc-shaped plate 7 is connected with the third arc-shaped, be provided with first hydraulic stem 10 between basic base 2 and the pivot 9, second pivot support 4 is connected basic base 2 and weir plate body 1 through second hydraulic stem 11 and third pivot support 5, the one end setting of second hydraulic stem 11 is in weir plate body 1 apart from top one third department, length after second hydraulic stem 11 extends completely is greater than first hydraulic stem 10, and first hydraulic stem 10 and second hydraulic stem 11 set up not only can effectively reduce the vibration that the weir rivers arouse the arc-shaped plate and let off rivers vibration and lead to the fact the whole structure to rock, prevent moreover to cross the direct harm that falls to basic base of weir rivers and cause.
A lifting method of an inclined supporting jacking type overflow weir comprises the steps of opening and closing a weir plate body 1, and comprises the following specific steps:
opening of the weir plate body 1: firstly, the second hydraulic rod 11 extends to jack the weir plate body 1, the first hydraulic rod 10 extends completely to serve as an auxiliary support, the second arc plate 7 and the third arc plate 8 are driven to expand upwards while the first hydraulic rod and the second hydraulic rod support, the third arc plate 8 rotates around the third rotating shaft support 5 to extend, then the second arc plate 8 rotates around the rotating shaft 9 to extend, the first arc plate 6 slides upwards along the second arc plate 7 to expand, namely, the weir plate body 1 is completely opened, the weir plate body 1 is transited from half-open to full-open, in the opening process, the spring is always in a compression state, the vibration caused by the water flow passing through the weir to the arc plates and the loss of the vibration to the hydraulic rods can be effectively reduced, the expansion length of the first arc plate 6 is extended completely or half-extended according to actual requirements, the positioning groove is arranged in the middle of the second arc plate 7 to ensure that the first arc plate 6 is fixed during half-extension operation, the constant head tank uses with the navigation key cooperation that sets up on first arc 6, effectively avoids letting out rivers and erode and other harm to basic base after opening.
Closing of the slice body 1: at first shrink first hydraulic stem 10 and second hydraulic stem 11, drive third arc 8 simultaneously and revolve clockwise around third pivot support 5 and accomplish until second hydraulic stem 11 and the shrink of first hydraulic stem 10, then with first arc 6 along the spout 15 lapse of second arc 7 to the two stack, revolute 9 anticlockwise rotation after the stack is accomplished until weir plate body 1 closes completely.
The principal features, methods of use, operation, and basic principles of the invention, as well as advantages of the invention, have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to explain the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as expressed in the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a formula overflow weir plate is lifted to one side which characterized in that: comprises a weir plate body (1), a basic base (2) arranged below the weir plate body (1) and a supporting device, wherein the supporting device comprises a first rotating shaft support (3), a second rotating shaft support (4), a plurality of third rotating shaft supports (5), a first arc-shaped plate (6), a second arc-shaped plate (7) and a third arc-shaped plate (8), the first rotating shaft support (3) and the second rotating shaft supports (4) are respectively arranged on the backwater side of the weir plate body (1), the third rotating shaft supports (5) are fixedly arranged on the basic base (2), one end of the first arc-shaped plate (6) is hinged with the weir plate body (1) through the first rotating shaft supports (3), the second arc-shaped plate (7) and the third arc-shaped plate (8) are sequentially arranged below the first arc-shaped plate (6), and the second arc-shaped plate (7) and the third arc-shaped plate (8) are connected through a rotating shaft (9), the tail end of a third arc-shaped plate (8) is connected with a third rotating shaft support (5), a first hydraulic rod (10) is arranged between a basic base (2) and a rotating shaft (9), a second rotating shaft support (4) connects the basic base (2) and a weir plate body (1) through a second hydraulic rod (11) and the third rotating shaft support (5), a spring (12) is further arranged between the weir plate body (1) and the base (2), and the water flows through the weir and then enters the downstream after the water flows pass through the weir after the plates are guided.
2. The sloped-supported uplift weir of claim 1, wherein: the base is provided with two bulges (13), and a third rotating shaft support (5) connected with a third arc-shaped plate (8) and one end of a spring (12) are arranged on the bulges (13).
3. The sloped-supported uplift weir of claim 1, wherein: and a flip bucket (14) is arranged on the third rotating shaft support (5), and the flip bucket (14) is arranged in a downward inclined mode.
4. The sloped-supported uplift weir of claim 1, wherein: a sliding groove (15) is formed in one side face of the second arc-shaped plate (7), a clamping groove is formed in one end, close to the weir plate body (1), of the sliding groove (15), and the first arc-shaped plate (6) slides in the sliding groove (15) through a sliding block (16) and is fixed in the clamping groove.
5. The sloped-supported uplift weir of claim 1, wherein: the length of the second hydraulic rod (11) after being fully extended is larger than that of the first hydraulic rod (10).
6. The sloped-supported uplift weir of claim 1, wherein: one end of the second hydraulic rod (11) is arranged at one third of the position, away from the top end, of the weir plate body (1).
7. The sloped-supported uplift weir of claim 1, wherein: the spring (12) is a compression spring.
8. The method of claim 1, wherein the step of elevating the inclined-support-type weir comprises: the method comprises two processes of opening and closing the weir plate body (1), and comprises the following specific steps:
step one, opening the weir plate body (1):
a. the weir plate body (1) is jacked by the extension of the second hydraulic rod (11), the first hydraulic rod (10) is completely extended to serve as an auxiliary support, the first hydraulic rod and the auxiliary support are used for supporting and simultaneously upwards driving the second arc-shaped plate (7) and the third arc-shaped plate (8) to be unfolded, the third arc-shaped plate (8) rotates around the third rotating shaft support (5) to be extended, the second arc-shaped plate (8) rotates around the rotating shaft (9) to be extended, and the weir plate body (1) is in a half-open state;
b. based on the half-open state of the weir plate body (1) in the step one, the first arc-shaped plate (6) slides upwards along the second arc-shaped plate (7) to be unfolded, namely the weir plate body (1) is completely opened;
step two, closing the weir plate body (1):
c. the first hydraulic rod (10) and the second hydraulic rod (11) are contracted, and the third arc-shaped plate (8) is driven to rotate clockwise around the third rotating shaft support (5) until the second hydraulic rod (11) and the first hydraulic rod (10) are contracted, and at the moment, the weir plate body (1) is in a semi-closed state;
d. and (c) based on the semi-closed state in the step (c), the first arc-shaped plate (6) slides downwards along the sliding groove (15) of the second arc-shaped plate (7) until the first arc-shaped plate and the second arc-shaped plate are overlapped, and rotates anticlockwise around the rotating shaft (9) until the weir plate body (1) is completely closed after the overlapping is completed.
9. The method of claim 8, wherein the step of elevating the inclined-support-type weir comprises: and in the step b, the first arc-shaped plate (6) slides upwards along the second arc-shaped plate (7) to be completely unfolded.
10. The method of claim 8, wherein the step of elevating the inclined-support-type weir comprises: in the step b, the first arc-shaped plate (6) slides upwards along the second arc-shaped plate (7) to be unfolded, and the unfolding length of the first arc-shaped plate is one half of that of the first arc-shaped plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879756.6A CN108677887B (en) | 2018-08-03 | 2018-08-03 | Inclined supporting jacking type overflow weir plate and lifting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879756.6A CN108677887B (en) | 2018-08-03 | 2018-08-03 | Inclined supporting jacking type overflow weir plate and lifting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108677887A CN108677887A (en) | 2018-10-19 |
| CN108677887B true CN108677887B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810879756.6A Active CN108677887B (en) | 2018-08-03 | 2018-08-03 | Inclined supporting jacking type overflow weir plate and lifting method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294379A (en) * | 2008-06-19 | 2008-10-29 | 周明泉 | Elastic overflow weir |
| KR20110095430A (en) * | 2010-02-19 | 2011-08-25 | 한상관 | State-of-the-art, eco-friendly process that naturally cleans contaminated river water using subwater discharge method |
| KR200478230Y1 (en) * | 2013-12-30 | 2015-09-10 | 주식회사 수경 | Jig apparatus for maintenance of floodgate |
| CN105155481A (en) * | 2015-10-15 | 2015-12-16 | 芜湖市银鸿液压件有限公司 | Folding supporting mechanism of hydraulic dam |
| CN108316254A (en) * | 2018-04-04 | 2018-07-24 | 张�杰 | A kind of modularization steel dam |
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