CN111335279A - Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof - Google Patents
Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof Download PDFInfo
- Publication number
- CN111335279A CN111335279A CN202010153787.0A CN202010153787A CN111335279A CN 111335279 A CN111335279 A CN 111335279A CN 202010153787 A CN202010153787 A CN 202010153787A CN 111335279 A CN111335279 A CN 111335279A
- Authority
- CN
- China
- Prior art keywords
- plate
- river
- otter board
- protection
- loading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- E02B15/10—Devices for removing the material from the surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to an overflowing slag collection weir for hydraulic and hydroelectric engineering and a construction method thereof, belonging to the technical field of design and construction of hydraulic and hydroelectric engineering buildings, comprising a weir body, wherein the weir body comprises a river body and banks at two sides of the river body, a protective screen plate is erected in the river body, end plates are arranged at two sides of the protective screen plate, the plate surfaces of the end plates are perpendicular to the plate surfaces of the protective screen plate, the end plates are attached to the side walls of the banks, a loading net cage is arranged on the end plates in a sliding manner, a lifting component for driving the loading net cage to move in the vertical direction is arranged on the banks, a tiling platform is laid at the bottom of the river body, a translation screen plate is arranged on the protective screen plate, a driving component is arranged on the protective screen plate, a blocking screen plate is arranged at the upstream end of the protective screen plate in the river body, and a moving component for driving the blocking screen plate to lift in the vertical direction is arranged on the banks .
Description
Technical Field
The invention relates to the technical field of design and construction of hydraulic and hydroelectric engineering buildings, in particular to an overflowing slag collection weir for hydraulic and hydroelectric engineering and a construction method thereof.
Background
At present, in water conservancy and hydropower engineering, a dam abutment side slope or a river channel bank slope is excavated, the common technology at present is to arrange a slag collecting platform at the slope toe of the river channel bank slope to collect stone slag, but the side slope is steep, the stone slag collected by the slag collecting platform is limited, the excavated stone slag enters the river channel and is brought into the downstream by water flow, so that river channel silt and water and soil loss are caused, and meanwhile, the difficulty in constructing and collecting the slag at the slope toe of the bank slope is large. Therefore, the Chinese patent with the publication number of CN104947630B discloses an overflowing slag collecting weir for hydraulic and hydroelectric engineering and a construction method thereof. The construction method comprises the steps of firstly throwing and filling stone slag and stones in a natural river channel to form an overflowing weir body; then filling transition layer slag materials and padding layer fine slag materials on the surface of the overflowing weir body; then, constructing dry masonry revetments on the upstream side of the overflowing weir body, and paving geotextiles on the weir crest, the downstream side and the toe platform of the overflowing weir body; then pouring a flat-pressed concrete segment, a dam crest impermeable concrete segment, a toe platform concrete segment, an anti-impact pile and a connecting beam plate of the toe platform concrete segment; and finally, constructing a permeable scour-prevention pressing body of the reinforcement gabion to finish the construction work of the overflowing slag collecting weir.
However, the invention has a disadvantage that although the overflow protection structure can effectively prevent the ballast in the river from flowing to the downstream, a large amount of ballast is accumulated in the overflow protection structure after a long time, and the overflow protection structure is likely to be blocked after a large amount of ballast is accumulated, so that the water flow cannot flow normally, and even the overflow protection structure is broken down. Therefore, the ballast accumulated in the overflow protection structure needs to be cleaned. And because the rivers at overflowing the slag weir department are torrential, it is very dangerous to salvage the clearance manually, if drive salvage vehicle and salvage, also cause the phenomenon of collapsing easily because the soil quality is soft on the bank. Therefore, further improvements to the above-described invention are needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the overflowing slag collecting weir for the hydraulic and hydroelectric engineering, which has the advantages that the stone slag in an overflowing protection structure is convenient to clean, and the fishing difficulty and the danger coefficient are further reduced.
The above object of the present invention is achieved by the following technical solutions:
an overflowing slag collecting weir for hydraulic and hydroelectric engineering comprises a weir body, wherein the weir body comprises a river body and river banks on two sides of the river body, an overflowing protective structure is erected in the river body, two sides of the overflowing protective structure are respectively connected with the river banks, the overflowing protective structure comprises protective net plates, end plates are arranged on two sides of each protective net plate, the surfaces of the end plates are perpendicular to the surfaces of the protective net plates, the end plates are attached to the side walls of the river banks, a loading net box is arranged on the end plates in a sliding mode, an upper end opening of the loading net box is arranged, a lifting assembly for driving the loading net box to move in the vertical direction is arranged on the river banks, a tiling table is paved at the bottom of the river body, when the loading net box is attached to the bottom wall of the river body, the top surface of the tiling table is located on the same horizontal plane as the top of the loading net box, a translation net plate is arranged on each protective, the translation otter board with the end plate is just right mutually, just the lower extreme laminating of translation otter board is on the roof of tiling platform, be provided with drive assembly on the protection otter board, drive assembly is used for driving the translation otter board and carries out reciprocating motion along the length direction of protection otter board, the internal upper reaches end that is located the protection otter board of river is provided with the separation otter board, be provided with on the river bank and be used for driving the removal subassembly that the separation otter board goes up and down in vertical direction.
Through adopting above-mentioned technical scheme, at first start moving assembly, with the vertical lapse of separation otter board to the river in and be located the upstream end of protection otter board for the separation otter board will be temporarily stopped from upstream water flow down, thereby lets the ballast in the rivers blockked on the separation otter board, does not take place the contact with the protection otter board. Then, starting the driving assembly to enable the translation net plate to do reciprocating motion along the length direction of the protection net plate, pushing most of the stone slag accumulated on the tiled platform into the loading net boxes on two sides by the translation net plate, starting the lifting assembly immediately to lift the loading net boxes from the lowest positions of the end plates to the highest positions of the end plates, lifting the loading net boxes out of the river body, enabling water to flow into the river body again from the loading net boxes, and enabling the rest stone slag in the loading net boxes; at this time, the stone slag in the loading net cage can be easily transported; after the ballast in the loading net cage is cleaned, the lifting assembly is started again to place the loading net cage into the river body again, so that the loading net cage is attached to the bottom wall of the river body again, and then the moving assembly is used for lifting the blocking net plate again, so that the blocking net plate is not blocked by the upstream end of the protective net plate any more, and water flow and ballast in water can flow normally; after setting up like this, can be automatic and comparatively conveniently clear up the accumulational slabstone of separation otter board department, no longer need the manual work to salvage to reach and be convenient for clear up and then reduce the effect of salvaging the degree of difficulty and danger coefficient to the slabstone in the protective structure that overflows.
The present invention in a preferred example may be further configured to: the lifting assembly comprises a support, a servo motor, a winding wheel and a nylon rope, wherein the support is arranged at a position close to an end plate on a river bank, the servo motor is arranged on the support, the winding wheel is coaxially arranged on an output shaft of the servo motor, the nylon rope is wound on the winding wheel, and one section of the nylon rope vertically extends downwards and is connected with the loading net cage.
By adopting the technical scheme, the servo motor is started, so that the output shaft of the servo motor starts to rotate, the winding wheel synchronously rotates along with the servo motor, and the nylon rope is wound on the winding wheel, so that the winding wheel can be rotated to drive the winding and the releasing of the nylon rope; when the nylon rope is wound on the winding wheel, the loading net cage is vertically lifted; when the nylon rope is lowered, the loading net cage is vertically moved downwards, so that the effect that the loading net cage is moved in the vertical direction conveniently is achieved.
The present invention in a preferred example may be further configured to: the nylon rope is provided with a fastener at one end far away from the winding wheel, the top of the loading net cage is provided with a retaining ring, and the fastener is fastened with the retaining ring.
Through adopting above-mentioned technical scheme, through the lock joint of fastener and buckle, can let the nylon rope comparatively stably realize being connected with loading net cage to also be convenient for dismantle the nylon rope from loading net cage.
The present invention in a preferred example may be further configured to: the side wall of the loading net cage is provided with a T-shaped sliding block, a T-shaped sliding groove is formed in the end plate along the length direction of the end plate, and the T-shaped sliding block is in sliding fit with the T-shaped sliding groove.
Through adopting above-mentioned technical scheme, the setting up of T shape spout and T shape slider makes loading net box can move along the length direction of end plate steadily to reach the effect that lets loading net box move steadily in vertical direction.
The present invention in a preferred example may be further configured to: the drive assembly is including rotating motor and lead screw, it sets up on the protection otter board roof and is close to the one end on the river bank to rotate the motor, the coaxial setting of lead screw is on the output shaft that rotates the motor, just the length direction of lead screw parallels with the length direction of protection otter board, be provided with the threaded sleeve on the translation otter board, the threaded sleeve cup joints on the lead screw, be provided with on the protection otter board and be used for preventing the threaded sleeve along with the synchronous pivoted of lead screw rotation piece that splines.
By adopting the technical scheme, the rotating motor is started, so that the screw rod on the output shaft of the rotating motor starts to synchronously rotate, and the protective screen plate is sleeved with the screw rod through the threaded sleeve, and under the action of the rotation stopping piece, the threaded sleeve cannot synchronously rotate along with the screw rod but can move along the length direction of the screw rod, so that the translation screen plate is driven to move along the length direction of the screw rod; because the rotating motor can realize reverse rotation after forward rotation, the translation net plate can reciprocate in the length direction of the lead screw, and the effect of driving the translation net plate to move conveniently is achieved.
The present invention in a preferred example may be further configured to: the rotation stopping piece comprises a rotation stopping rail arranged on the protective screen plate, the length direction of the rotation stopping rail is parallel to the length direction of the lead screw, a strip-shaped groove is formed in the rotation stopping rail along the length direction of the rotation stopping rail, an insertion block is arranged on the threaded sleeve, and the insertion block is inserted into the strip-shaped groove.
Through adopting above-mentioned technical scheme, after the inserted block on the threaded sleeve inserted the bar inslot, if the lead screw was rotating, the threaded sleeve just can receive the restriction in its self circumference direction's rotation this moment, and then leads to the threaded sleeve can't rotate along with the rotation of lead screw, and at this moment the threaded sleeve just can remove along the length direction of lead screw smoothly, and the inserted block also can remove along the length direction in bar groove, reaches and prevents the threaded sleeve along with the lead screw rotation comparatively directly perceived and convenient effect.
The present invention in a preferred example may be further configured to: the movable assembly comprises hydraulic cylinders arranged on the banks on the two sides of the river body, piston rods of the hydraulic cylinders vertically extend upwards, connecting portions are arranged at the two ends of the top wall of the blocking screen plate, and the piston rods of the hydraulic cylinders are connected with the connecting portions.
By adopting the technical scheme, the hydraulic cylinder is started, so that the piston rod of the hydraulic cylinder extends vertically upwards, and the barrier screen plate can be pushed by the piston rod of the hydraulic cylinder to vertically move upwards, so that the barrier screen plate can be lifted in the vertical direction; and the piston rod of the hydraulic cylinder vertically retracts downwards, so that the blocking screen plate can also move downwards in the vertical direction, and the effect of driving the blocking screen plate to move conveniently in the vertical direction is achieved.
The present invention in a preferred example may be further configured to: the river bank is provided with vertical rail on being close to the lateral wall of the river body, the vertical extension setting of vertical rail, the dovetail has been seted up along the length direction of vertical rail on the vertical rail, the both sides of separation otter board all are provided with the dovetail block, the dovetail block slides and sets up in the dovetail.
Through adopting above-mentioned technical scheme, the dovetail block can play certain guide effect to the lift of separation otter board with the setting of dovetail on the vertical rail to it can be comparatively steady to let the separation otter board go up and down in the vertical direction.
The present invention in a preferred example may be further configured to: the side wall of the flat laying platform, which is opposite to the upstream end, is provided with a triangular shunt part, the tip of the triangular shunt part is opposite to the blocking screen plate, and the side wall of the loading net cage, which is opposite to the blocking screen plate, is also provided with an opening.
Through adopting above-mentioned technical scheme, the setting of triangle-shaped reposition of redundant personnel portion can let when the rivers that come in be in tiling platform department can divide into two streams rivers and enter into the loading net case to let the stone sediment in the rivers smoothly enter into the loading net case through the lateral wall opening of loading net case, thereby reach the effect of automatic collection stone sediment.
The invention also aims to provide a construction method of the overflowing slag collecting weir for the hydraulic and hydroelectric engineering, which has the advantages of being convenient for cleaning the rock ballast in the overflowing protection structure so as to reduce the fishing difficulty and the danger coefficient.
The above object of the present invention is achieved by the following technical solutions:
a construction method of an overflowing slag collecting weir for hydraulic and hydroelectric engineering comprises the following steps:
step one, performing flow blocking at the upstream of a river to reduce the flow of water flow;
fixing the protection net plate in the river body to enable two sides of the protection net plate to be tightly attached to the side wall of the river bank, fixing two sides of the protection net plate in a concrete pouring and fixing mode, and then lowering the flat laying platform to the bottom wall of the river body;
welding a plurality of anchor rods on the plate surface of the end plate, forming a plurality of anchor holes for inserting the anchor rods in the side wall of the river bank, pouring concrete into the anchor holes, inserting the anchor rods into the anchor holes, fixing the end plate on the side wall of the river bank, and welding the position where the end plate is attached to the protective screen plate;
fourthly, a T-shaped sliding groove is formed in the surface, away from the anchor rod, of the end plate, then a T-shaped block on the side wall of the loading net cage is inserted into the T-shaped sliding groove, and the bottom of the loading net cage is attached to the bottom wall of the river body;
and fifthly, sequentially installing the lifting assembly, the driving assembly and the moving assembly.
In summary, the invention includes at least one of the following beneficial technical effects:
the movable assembly is started firstly, the blocking screen plate is vertically moved downwards into the river body and is positioned at the upstream end of the protection screen plate, so that the blocking screen plate temporarily blocks water flow flowing downwards from the upstream, and therefore stone slag in the water flow is blocked on the blocking screen plate and does not contact with the protection screen plate. Then, starting the driving assembly to enable the translation net plate to do reciprocating motion along the length direction of the protection net plate, pushing most of the stone slag accumulated on the tiled platform into the loading net boxes on two sides by the translation net plate, starting the lifting assembly immediately to lift the loading net boxes from the lowest positions of the end plates to the highest positions of the end plates, lifting the loading net boxes out of the river body, enabling water to flow into the river body again from the loading net boxes, and enabling the rest stone slag in the loading net boxes; at this time, the stone slag in the loading net cage can be easily transported; after the ballast in the loading net cage is cleaned, the lifting assembly is started again to place the loading net cage into the river body again, so that the loading net cage is attached to the bottom wall of the river body again, and then the moving assembly is used for lifting the blocking net plate again, so that the blocking net plate is not blocked by the upstream end of the protective net plate any more, and water flow and ballast in water can flow normally; after the arrangement, the stone slag accumulated on the blocking screen plate can be automatically and conveniently cleaned, manual salvaging is not needed any more, and therefore the effect that the stone slag in the over-current protection structure is conveniently cleaned, and the salvaging difficulty and the danger coefficient are reduced is achieved;
the triangular shunting part can divide the oncoming water flow into two water flows and enter the loading net cage when the oncoming water flow is positioned at the flat laying platform, so that the ballast in the water flow smoothly enters the loading net cage through the side wall opening of the loading net cage, and the effect of automatically collecting the ballast is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the present invention showing a partial explosion of the lift assembly;
FIG. 5 is an enlarged view of portion B of FIG. 4;
fig. 6 is a schematic view of the structure for displaying the barrier net of the present invention.
Reference numerals: 1. a weir body; 11. a river body; 12. river banks; 121. a vertical rail; 1211. a dovetail groove; 13. a flat laying platform; 131. a triangular shunt part; 2. a protective mesh plate; 21. stopping the rotating rail; 211. a strip-shaped groove; 3. an end plate; 31. a T-shaped chute; 4. loading the net cage; 41. a retaining ring; 42. a T-shaped slider; 5. a lifting assembly; 51. a support; 52. a servo motor; 53. a winding wheel; 54. a nylon cord; 541. a fastener; 6. translating the screen plate; 61. a threaded sleeve; 611. inserting a block; 7. a drive assembly; 71. rotating the motor; 72. a lead screw; 8. blocking the screen plate; 81. a connecting portion; 82. a dovetail block; 9. and a hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the overflowing slag collection weir for the hydraulic and hydroelectric engineering disclosed by the invention comprises a weir body 1, wherein the weir body 1 comprises a river body 11 and river banks 12 on two sides of the river body 11, an overflowing protection structure is erected in the river body 11, two sides of the overflowing protection structure are respectively connected with the river banks 12, the overflowing protection structure is a protection screen plate 2, two sides of the protection screen plate 2 are provided with end plates 3, the plate surfaces of the end plates 3 are perpendicular to the plate surfaces of the protection screen plate 2, and the end plates 3 are attached to the side walls of the river banks 12.
As shown in fig. 2 and 4, the end plate 3 is slidably provided with a loading net box 4, and the sliding direction of the loading net box 4 is consistent with the length direction of the end plate 3; specifically, the side wall of the loading net cage 4 is provided with a T-shaped sliding block 42, the end plate 3 is provided with a T-shaped sliding groove 31 along the length direction of the end plate 3, and the T-shaped sliding block 42 is in sliding fit with the T-shaped sliding groove 31; the upper end opening of the loading net cage 4 is arranged, the river bank 12 is provided with a lifting assembly 5, the lifting assembly 5 is used for driving the loading net cage 4 to move in the vertical direction, the lifting assembly 5 comprises a support 51, a servo motor 52, a winding wheel 53 and a nylon rope 54, the support 51 is arranged on the river bank 12 and close to the end plate 3, the servo motor 52 is arranged on the support 51, the winding wheel 53 is coaxially arranged on an output shaft of the servo motor 52, the nylon rope 54 is wound on the winding wheel 53, and one section of the nylon rope 54 vertically extends downwards and is connected with the loading net cage 4; referring to fig. 5, a fastener 541 is disposed at an end of the nylon rope 54 away from the winding wheel 53, a buckle 41 is disposed at a top of the loading net box 4, and the fastener 541 is fastened to the buckle 41.
The servo motor 52 is started, so that the output shaft of the servo motor 52 starts to rotate, the winding wheel 53 synchronously rotates along with the servo motor 52, and the nylon rope 54 is wound on the winding wheel 53, so that the winding wheel 53 rotates to drive the winding and the releasing of the nylon rope 54; when the nylon rope 54 is wound on the winding wheel 53, the loading net cage 4 is vertically lifted; when the nylon rope 54 is lowered, the loading net cage 4 is moved down vertically, and the arrangement of the T-shaped sliding groove 31 and the T-shaped sliding block 42 enables the loading net cage 4 to move stably along the length direction of the end plate 3, so that the effect of enabling the loading net cage 4 to move stably in the vertical direction is achieved.
As shown in fig. 2 and 3, a flat laying platform 13 is laid at the bottom of the river body 11, and when the loading net cage 4 is attached to the bottom wall of the river body 11, the top surface of the flat laying platform 13 and the top of the loading net cage 4 are in the same horizontal plane. Be provided with translation otter board 6 on the protection otter board 2, translation otter board 6 is just right mutually with end plate 3, and the lower extreme laminating of translation otter board 6 is on the roof of tiling platform 13. The protective screen plate 2 is provided with a driving assembly 7, and the driving assembly 7 is used for driving the translation screen plate 6 to reciprocate along the length direction of the protective screen plate 2; specifically, the driving assembly 7 includes a rotating motor 71 and a screw 72, the rotating motor 71 is disposed on the top wall of the protection screen 2 and near one end of the river bank 12, the screw 72 is coaxially disposed on the output shaft of the rotating motor 71, and the length direction of the screw 72 is parallel to the length direction of the protection screen 2. The translation otter board 6 is provided with a threaded sleeve 61, the threaded sleeve 61 is sleeved on the screw rod 72, and the protection otter board 2 is provided with a rotation stopping piece for preventing the threaded sleeve 61 from rotating synchronously along with the screw rod 72.
As shown in fig. 3, the rotation stopping member is a rotation stopping rail 21 disposed on the screen plate 2, a length direction of the rotation stopping rail 21 is parallel to a length direction of the screw shaft 72, a strip-shaped groove 211 is disposed on the rotation stopping rail 21 along the length direction of the rotation stopping rail 21, an insertion block 611 is disposed on the threaded sleeve 61, and the insertion block 611 is inserted into the strip-shaped groove 211.
The rotating motor 71 is started, so that the screw 72 on the output shaft of the rotating motor 71 starts to rotate synchronously, because the protective net plate 2 is sleeved with the screw 72 through the threaded sleeve 61, after the insert 611 on the threaded sleeve 61 is inserted into the strip-shaped groove 211, if the screw 72 rotates, the rotation of the threaded sleeve 61 in the circumferential direction of the screw is limited, and further the threaded sleeve 61 cannot rotate along with the rotation of the screw 72, at this time, the threaded sleeve 61 can smoothly move along the length direction of the screw 72, the insert 611 can also move along the length direction of the strip-shaped groove 211, and the visual and convenient effect of preventing the threaded sleeve 61 from rotating along with the screw 72 is achieved.
As shown in fig. 2, a triangular shunting part 131 is arranged on the side wall of the tiling table 13 facing the upstream end, the tip of the triangular shunting part 131 faces the barrier net plate 8, and the side wall of the loading net cage 4 facing the barrier net plate 8 is also provided with an opening; the triangular diversion part 131 can divide the oncoming water flow into two water flows and enter the loading net cage 4 when the oncoming water flow is at the place of the flatly-laying platform 13, so that the ballast in the water flows smoothly enters the loading net cage 4 through the side wall opening of the loading net cage 4, and the effect of automatically collecting the ballast is achieved.
As shown in fig. 1 and 6, a barrier net plate 8 is arranged at the upstream end of a protective net plate 2 in a river body 11, and a moving assembly for driving the barrier net plate 8 to lift in the vertical direction is arranged on a river bank 12; the moving assembly is a hydraulic cylinder 9 arranged on the river bank 12 on two sides of the river body 11, a piston rod of the hydraulic cylinder 9 extends vertically upwards, connecting parts 81 are arranged at two ends of the top wall of the blocking screen plate 8, and the piston rod of the hydraulic cylinder 9 is connected with the connecting parts 81; starting the hydraulic cylinder 9 to enable a piston rod of the hydraulic cylinder 9 to vertically extend upwards, and enabling the blocking screen plate 8 to be pushed by the piston rod of the hydraulic cylinder 9 to vertically move upwards, so that the blocking screen plate 8 is lifted in the vertical direction; and the piston rod of the hydraulic cylinder 9 is retracted vertically downwards, so that the blocking screen plate 8 can also move downwards in the vertical direction, and the effect of driving the blocking screen plate 8 to move conveniently in the vertical direction is achieved.
As shown in fig. 1 and 6, a vertical rail 121 is arranged on the side wall of the river bank 12 close to the river body 11, the vertical rail 121 extends vertically, a dovetail groove 1211 is formed on the vertical rail 121 along the length direction of the vertical rail 121, dovetail blocks 82 are arranged on both sides of the barrier screen plate 8, and the dovetail blocks 82 are arranged in the dovetail groove 1211 in a sliding manner; the dovetail block 82 and the dovetail groove 1211 arranged on the vertical rail 121 can play a certain guiding role in lifting of the barrier screen plate 8, so that the barrier screen plate 8 can be lifted stably in the vertical direction.
The implementation principle of the embodiment is as follows: the hydraulic cylinder 9 is started firstly, the blocking screen plate 8 is vertically moved downwards into the river body 11 and is positioned at the upstream end of the protection screen plate 2, so that the blocking screen plate 8 temporarily blocks water flow flowing downwards from the upstream, and therefore stone slag in the water flow is blocked on the blocking screen plate 8 and does not contact with the protection screen plate 2. Then, the rotating motor 71 is started, the translation net plate 6 reciprocates along the length direction of the protective net plate 2, most of the stone slag accumulated on the tiled platform 13 is pushed into the loading net boxes 4 on two sides by the translation net plate 6, the servo motor 52 is started immediately, the loading net boxes 4 are lifted from the lowest positions of the end plates 3 to the highest positions of the end plates 3, the loading net boxes 4 are lifted out of the river body 11, water flows into the river body 11 again from the loading net boxes 4, and the rest stone slag in the loading net boxes 4 is removed; the stone slag in the loading net cage 4 can be easily transported; after the ballast in the loading net cage 4 is cleaned, the servo motor 52 is started again to lower the loading net cage 4 into the river body 11 again, so that the loading net cage 4 is attached to the bottom wall of the river body 11 again, and then the blocking net plate 8 is lifted up again through the hydraulic cylinder 9, so that the blocking net plate 8 is not blocked by the upstream end of the protective net plate 2 any more, and water flow and ballast in water can flow normally; after the arrangement, the stones accumulated at the position of the blocking screen plate 8 can be automatically and conveniently cleaned, manual salvage is not needed, and therefore the effects that the stones in the overflowing protection structure can be conveniently cleaned, and further the salvage difficulty and the danger coefficient are reduced are achieved; it is noted that in the present invention, the mesh openings of the shield mesh plate 2, the translating mesh plate 6, the loading mesh plate 4 and the barrier mesh plate 8 are all micro-holes, i.e. not easy to let the ballast pass through, but for clarity they are shown in the figure, so the holes are slightly larger.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides an overflow collection sediment weir for hydraulic and hydroelectric engineering, includes weir body (1), weir body (1) is including bank (12) of the river body (11) and the river body (11) both sides, the river body (11) inner tower is equipped with and overflows protective structure, overflow protective structure's both sides respectively with bank (12) are connected, its characterized in that: the over-current protection structure comprises a protection mesh plate (2), end plates (3) are arranged on two sides of the protection mesh plate (2), the plate surface of each end plate (3) is perpendicular to the plate surface of the protection mesh plate (2), the end plates (3) are attached to the side wall of a river bank (12), a loading mesh box (4) is arranged on each end plate (3) in a sliding mode, an upper end opening of the loading mesh box (4) is arranged, a lifting assembly (5) for driving the loading mesh box (4) to move in the vertical direction is arranged on the river bank (12), a flat laying platform (13) is laid at the bottom of a river body (11), when the loading mesh box (4) is attached to the bottom wall of the river body (11), the top surface of the flat laying platform (13) and the top of the loading mesh box (4) are located on the same horizontal plane, a translation mesh plate (6) is arranged on the protection mesh plate (2), translation otter board (6) with end plate (3) are just right mutually, just the lower extreme laminating of translation otter board (6) is on the roof of tiling platform (13), be provided with drive assembly (7) on protection otter board (2), drive assembly (7) are used for driving translation otter board (6) and carry out reciprocating motion along the length direction of protection otter board (2), the upper reaches end that is located protection otter board (2) in the river body (11) is provided with separation otter board (8), be provided with on river bank (12) and be used for driving separation otter board (8) and carry out the removal subassembly that goes up and down in vertical direction.
2. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 1, wherein: lifting unit (5) include support (51), servo motor (52), take-up pulley (53) and nylon rope (54), support (51) set up the position that is close to end plate (3) on bank (12), servo motor (52) set up on support (51), take-up pulley (53) coaxial setting is on the output shaft of servo motor (52), nylon rope (54) are around establishing on take-up pulley (53), one section vertical downwardly extending of nylon rope (54) just is connected with loading net case (4).
3. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 2, wherein: a fastener (541) is arranged at one end, far away from the winding wheel (53), of the nylon rope (54), a buckle ring (41) is arranged at the top of the loading net box (4), and the fastener (541) is buckled with the buckle ring (41).
4. An over-flow slag weir for water conservancy and hydropower engineering according to claim 3, wherein: the side wall of the loading net box (4) is provided with a T-shaped sliding block (42), the end plate (3) is provided with a T-shaped sliding groove (31) along the length direction of the end plate (3), and the T-shaped sliding block (42) is in sliding fit with the T-shaped sliding groove (31).
5. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 1, wherein: drive assembly (7) are including rotating motor (71) and lead screw (72), rotate motor (71) and set up on protection otter board (2) roof and be close to the one end of river bank (12), lead screw (72) coaxial setting is on the output shaft of rotating motor (71), just the length direction of lead screw (72) parallels with the length direction of protection otter board (2), be provided with threaded sleeve (61) on translation otter board (6), threaded sleeve (61) cup joint on lead screw (72), be provided with on protection otter board (2) and be used for preventing threaded sleeve (61) along with lead screw (72) synchronous rotation's rotation-stopping spare.
6. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 5, wherein: the rotation stopping piece comprises a rotation stopping rail (21) arranged on the protective screen plate (2), the length direction of the rotation stopping rail (21) is parallel to the length direction of the screw rod (72), a strip-shaped groove (211) is formed in the rotation stopping rail (21) along the length direction of the rotation stopping rail (21), an insertion block (611) is arranged on the threaded sleeve (61), and the insertion block (611) is inserted into the strip-shaped groove (211).
7. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 1, wherein: the movable assembly comprises hydraulic cylinders (9) arranged on river banks (12) on two sides of a river body (11), piston rods of the hydraulic cylinders (9) vertically extend upwards, connecting portions (81) are arranged at two ends of a top wall of the blocking screen plate (8), and piston rods of the hydraulic cylinders (9) are connected with the connecting portions (81).
8. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 7, wherein: the river bank (12) are provided with vertical rail (121) on being close to the lateral wall of the river body (11), vertical rail (121) vertical extension sets up, dovetail (1211) have been seted up along the length direction of vertical rail (121) on vertical rail (121), the both sides of separation otter board (8) all are provided with dovetail (82), dovetail (82) slide to set up in dovetail (1211).
9. The overflow slag weir for water conservancy and hydropower engineering as claimed in claim 7, wherein: the side wall of the flat laying platform (13) opposite to the upstream end is provided with a triangular shunting part (131), the tip of the triangular shunting part (131) is opposite to the blocking screen plate (8), and the side wall of the loading net cage (4) opposite to the blocking screen plate (8) is also provided with an opening.
10. A method of constructing an overflow slag weir for hydraulic and hydroelectric engineering as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:
step one, performing flow blocking at the upstream of a river to reduce the flow of water flow;
fixing the protection net plate (2) in the river body (11) to enable two sides of the protection net plate (2) to be tightly attached to the side wall of the river bank (12), fixing two sides of the protection net plate (2) in a concrete pouring and fixing mode, and then lowering the flat laying platform (13) to the bottom wall of the river body (11);
thirdly, welding a plurality of anchor rods on the plate surface of the end plate (3), forming a plurality of anchor holes for inserting the anchor rods on the side wall of the river bank (12), pouring concrete into the anchor holes, inserting the anchor rods into the anchor holes, fixing the end plate (3) on the side wall of the river bank (12), and welding the joint position of the end plate (3) and the protective screen plate (2);
fourthly, a T-shaped chute (31) is formed in the surface, away from the anchor rod, of the end plate (3), then a T-shaped block on the side wall of the loading net box (4) is inserted into the T-shaped chute (31), and the bottom of the loading net box (4) is attached to the bottom wall of the river body (11);
and fifthly, sequentially installing the lifting assembly (5), the driving assembly (7) and the moving assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010153787.0A CN111335279B (en) | 2020-03-07 | 2020-03-07 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010153787.0A CN111335279B (en) | 2020-03-07 | 2020-03-07 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111335279A true CN111335279A (en) | 2020-06-26 |
| CN111335279B CN111335279B (en) | 2021-07-23 |
Family
ID=71178010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010153787.0A Active CN111335279B (en) | 2020-03-07 | 2020-03-07 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335279B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030887A (en) * | 2020-08-21 | 2020-12-04 | 四川中际建设工程有限公司 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575124A (en) * | 2009-06-19 | 2009-11-11 | 安徽万联环保科技股份有限公司 | Rotary dissolving air flotation purifier |
| US20120263536A1 (en) * | 2007-04-30 | 2012-10-18 | Kepner Plastics Fabricators, Inc. | Floating standoff assembly |
| CN104947630A (en) * | 2015-07-02 | 2015-09-30 | 中国电建集团成都勘测设计研究院有限公司 | Over-current slag collecting weir for water conservancy and hydropower engineering and construction method thereof |
| KR20160081484A (en) * | 2014-12-31 | 2016-07-08 | 주식회사 엔티케이 | Oil fence with buoyancy-based echo cancellation means |
| CN106049390A (en) * | 2016-07-29 | 2016-10-26 | 广东省建筑设计研究院 | Sand-settling trash-holding all-in-one device suitable for river controlling project |
| CN208309532U (en) * | 2018-05-07 | 2019-01-01 | 北方民族大学 | A kind of rubbish automatic cleaning apparatus at hydraulic engineering sluice gate |
| CN109440746A (en) * | 2018-11-19 | 2019-03-08 | 吴迎莉 | A kind of water conservancy Discussion On Measures of Rivers Pollution Treatment rubbish retention dam |
| CN208917809U (en) * | 2018-09-27 | 2019-05-31 | 中节能水务工程有限公司 | A kind of Industrial Waste Water Treatments pond dross fishing device |
-
2020
- 2020-03-07 CN CN202010153787.0A patent/CN111335279B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120263536A1 (en) * | 2007-04-30 | 2012-10-18 | Kepner Plastics Fabricators, Inc. | Floating standoff assembly |
| CN101575124A (en) * | 2009-06-19 | 2009-11-11 | 安徽万联环保科技股份有限公司 | Rotary dissolving air flotation purifier |
| KR20160081484A (en) * | 2014-12-31 | 2016-07-08 | 주식회사 엔티케이 | Oil fence with buoyancy-based echo cancellation means |
| CN104947630A (en) * | 2015-07-02 | 2015-09-30 | 中国电建集团成都勘测设计研究院有限公司 | Over-current slag collecting weir for water conservancy and hydropower engineering and construction method thereof |
| CN106049390A (en) * | 2016-07-29 | 2016-10-26 | 广东省建筑设计研究院 | Sand-settling trash-holding all-in-one device suitable for river controlling project |
| CN208309532U (en) * | 2018-05-07 | 2019-01-01 | 北方民族大学 | A kind of rubbish automatic cleaning apparatus at hydraulic engineering sluice gate |
| CN208917809U (en) * | 2018-09-27 | 2019-05-31 | 中节能水务工程有限公司 | A kind of Industrial Waste Water Treatments pond dross fishing device |
| CN109440746A (en) * | 2018-11-19 | 2019-03-08 | 吴迎莉 | A kind of water conservancy Discussion On Measures of Rivers Pollution Treatment rubbish retention dam |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030887A (en) * | 2020-08-21 | 2020-12-04 | 四川中际建设工程有限公司 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
| CN112030887B (en) * | 2020-08-21 | 2021-12-10 | 四川中际建设工程有限公司 | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111335279B (en) | 2021-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111335279B (en) | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof | |
| CN110984221A (en) | Construction method for reinforcing end socket at initial end of air shaft and guide wall structure | |
| DE102008047008B4 (en) | Sealing of channels | |
| CN211898541U (en) | Guide wall structure for reinforced structure of air shaft initial end head | |
| CN110331936B (en) | Combined drilling bottom-expanding pile-planting construction method | |
| CN111236172A (en) | Overflowing slag collection weir for hydraulic and hydroelectric engineering and construction method thereof | |
| CN117364803A (en) | Rock soil slope body reinforcing structure for preventing slope deformation | |
| CN214168964U (en) | Culvert gate structure | |
| CN109853465B (en) | Self-lifting type spur dike with height automatically adjusted according to water level | |
| CN109056762B (en) | Construction method of sea island beach dike | |
| CN108316237B (en) | Revetment retaining wall | |
| CN215105958U (en) | Obstacle crossing mechanism of underwater dredging equipment | |
| CN214883760U (en) | Prefabricated assembled combination hydraulic cofferdam device | |
| EP1426495A2 (en) | Method and device for the construction of a tunnel or a trench | |
| CN114439067A (en) | Ditch silt cleaning device for hydraulic engineering | |
| CN109653213B (en) | Underground diaphragm wall grooving construction method | |
| AT225629B (en) | Method and device for making trenches and for forming sealing aprons | |
| CN115613522B (en) | Firm anti-seepage rock-fill sea blocking dam | |
| CN113136839B (en) | Dam construction automation system and method | |
| CN114438962B (en) | Flood prevention step shore protection structure | |
| CN220345173U (en) | Landscape overflow weir | |
| CN219490879U (en) | Trash removal fence for hydraulic engineering | |
| CN214194412U (en) | Assembled view overflow weir | |
| CN217204360U (en) | Efficient hydraulic engineering desilting device | |
| CN219824954U (en) | Roadbed preventing rain from invading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |