CN101736721B - Back stop device of drain pipe of irrigation seepage control canal - Google Patents
Back stop device of drain pipe of irrigation seepage control canal Download PDFInfo
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- CN101736721B CN101736721B CN2010101085367A CN201010108536A CN101736721B CN 101736721 B CN101736721 B CN 101736721B CN 2010101085367 A CN2010101085367 A CN 2010101085367A CN 201010108536 A CN201010108536 A CN 201010108536A CN 101736721 B CN101736721 B CN 101736721B
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- river
- permeable cover
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Abstract
The invention discloses a back stop device of a drain pipe of an irrigation seepage control canal, which comprises a base, wherein a groove, an installing groove and a first water gap are arranged on the base; a shaft is arranged in the middle of the base of the first water gap; a positioning lug is arranged on the base; a sealing disc is installed in the groove; a round hole and an arc groove are arranged on the sealing disc; the periphery of the sealing disc is provided with a spacing convex edge; a second water gap is arranged on the sealing disc; the round hole is matched with the shaft; the positioning lug is matched with the arc groove; the spacing convex edge is matched with the edge of the base; a triangle hole is arranged on the sealing disc and communicated with the round hole; a water permeable cover is mounted on the periphery of the base; a water outlet hole is arranged on the water permeable cover; an adjusting rod is installed in the middle of the water permeable cover; a triangle block is arranged at one end of the adjusting rod and matched with the triangle hole; and a flexible pipe is installed on the periphery of the water permeable cover. The invention can solve the problems in the prior art, can prevent water in the canal from reversely flowing and recharging through the drain pipe in an irrigation period, can greatly improve the seepage control effect of the seepage control canal, and simultaneously can not affect the draining function of the drain pipe.
Description
Technical field
The present invention relates to a kind of back stop device of drain pipe of irrigation seepage control canal.
Background technique
Along with the scarcity day by day of freshwater resources, China is just wideling popularize the agricultural water-saving irrigation technology, and wherein the anti-seepage of channels is one of topmost measure of water-saving irrigation technique.When design irrigation seepage control channel, in order to guarantee the structural stability safety of channel side slopes and antiseepage body, waste pipe need be set with effective reduction anti-seepage channel flush period bank slope level of ground water, this just causes at irrigation phase water in a canal and recharges by the waste pipe adverse current, seriously reduce the anti-seepage effect of anti-seepage channel, caused water efficiency of canal system to improve.According to statistics, Chinese large-sized irrigated area present situation water efficiency of canal system only is 0.3～0.5, the irrigation water serious waste of resources, the key of irrigated area water saving is to improve water efficiency of canal system, and the check technology of anti seepage channel waste pipe becomes the bottleneck factor of restriction water-saving irrigation technique development.Therefore, simple non-return device is set on the anti-seepage channel waste pipe, both can guarantee that flush period bank slope level of ground water effectively disappeared, can prevent that again irrigating phase water in a canal recharges by the waste pipe adverse current, thereby improved the anti-seepage effect of anti-seepage channel greatly, raising irrigated area water efficiency of canal system, popularization development irrigated area water-saving irrigation technique have been had breakthrough technical support effect.
Summary of the invention
Purpose of the present invention, provided a kind of back stop device of drain pipe of irrigation seepage control canal, it can solve problems of the prior art, can prevent that water in a canal from recharging by the waste pipe adverse current in the irrigation phase, can significantly improve the anti-seepage effect of anti-seepage channel, not influence the drain function of waste pipe simultaneously.
The objective of the invention is to be achieved through the following technical solutions: back stop device of drain pipe of irrigation seepage control canal, comprise pedestal, offer groove, mounting groove and three first fan-shaped mouths of a river on the pedestal, three first mouths of a river evenly distribute along circumference, and the angle α at first mouth of a river is 60 degree, and promptly first mouth of a river is the fan-shaped of 60 degree, the middle part of the pedestal at first mouth of a river is provided with axle, locating bump is set on the pedestal, and locating bump is positioned at the outside at first mouth of a river, and seal disc is installed in the groove; Offer circular hole and curve bath on the seal disc, curve bath is 60 degree circular arcs, and the periphery of seal disc is provided with spacing convex edge, offers three second fan-shaped mouths of a river on the seal disc, three second mouths of a river evenly distribute along circumference, and second mouth of a river is all identical with the size shape at first mouth of a river; Circular hole cooperates with axle, and locating bump cooperates with curve bath, the edge mate of spacing convex edge and pedestal; Offer tri-angle-holedly on the seal disc, tri-angle-holedly communicate with circular hole; The periphery of pedestal is installed permeable cover, offers several osculums on the permeable cover, and adjustable lever is installed at the middle part of permeable cover, and an end of adjustable lever is provided with gore, and gore cooperates with tri-angle-holed; The periphery of permeable cover is installed flexible pipe.
For further realizing purpose of the present invention realizing by the following technical solutions: the periphery of permeable cover is installed protective housing, offers groove on the sidewall of protective housing; Flexible pipe passes outside the groove.Adjustable lever is connected and composed by rotating shaft, limiting stopper, connecting rod and gore, and an end of rotating shaft is offered screw, and limiting stopper is installed gore on the connecting rod between connecting rod and rotating shaft; The length of circular hole equals the closing of length of gore thickness and axle; Tri-angle-holed thickness equals the thickness of gore.The periphery of pedestal is provided with spacing folding edge.
Good effect of the present invention is: it can be under the situation that does not influence the original design of anti-seepage channel, realize that the anti seepage channel irrigation phase prevents that water in a canal from recharging by the waste pipe adverse current, improve the anti-seepage effect of anti-seepage channel greatly, do not influenced the drain function of waste pipe simultaneously.This apparatus structure is simple, easy construction, with low cost, can be used for newly-built anti seepage channel engineering, also can connect transformation to existing anti seepage channel waste pipe, simple, promote the use of in being adapted in the water-saving transformation in irrigation district engineering on a large scale, also can be widely used in the protection of hydraulic structure sloping bank built with new construction in, its installation is very simple, only need this device is sleeved on the waste pipe port, and flexible pipe drawn out from protective housing get final product.It also can be implemented under the prerequisite of guaranteeing not recharge, to changing or install non-return device of the present invention in the water channel that water filling is used.
Description of drawings
Fig. 1 is a main TV structure schematic representation of the present invention; Fig. 2 is the structural representation of regulating handle; Fig. 3 is the right TV structure schematic representation of Fig. 2; Fig. 4 is the structural representation of pedestal; Fig. 5 is the structural representation of seal disc; Fig. 6 is the backsight structural representation of Fig. 5; Fig. 7 is the local structure for amplifying schematic representation of the I of Fig. 1.
Reference character: 89 pedestals in 1 protective housing, 2 permeable cover 34 curve baths, 5 locating bump 6 mounting grooves, 7 first mouths of a river, spacing convex edge, 10 saturating groove 11 adjustable levers 12 second mouths of a river, 13 flexible pipes, 14 osculums, 15 screws, 16 rotating shafts, 17 limiting stoppers, 18 connecting rods, 19 gores, 20 spacing foldings are tri-angle-holed along 21 grooves, 22 seal discs, 23 circular holes 24.
Embodiment
Back stop device of drain pipe of irrigation seepage control canal of the present invention, comprise pedestal 9, offer groove 21, mounting groove 6 and three first fan-shaped mouths of a river 7 on the pedestal 9, three first mouths of a river 7 evenly distribute along circumference, the angle α at first mouth of a river 7 is 60 degree, and promptly first mouth of a river 7 is the fan-shaped of 60 degree, and the middle part of pedestal 9 is provided with axle 8, locating bump 5 is set on the pedestal 9, seal disc 22 is installed in the groove 21; Offer circular hole 23 and curve bath 4 on the seal disc 22, curve bath 4 is 60 degree arc grooves, the periphery of seal disc 22 is provided with spacing convex edge 3, offer three second fan-shaped mouths of a river 12 on the seal disc 22, three second mouths of a river 12 evenly distribute along circumference, and second mouth of a river 12 is all identical with the size shape at first mouth of a river 7; Circular hole 23 cooperates with axle 8, and seal disc 22 can be rotated with respect to pedestal 9 around axle 8; Locating bump 5 cooperates with curve bath 4, can limit the angle that seal disc 22 rotates relative to pedestal 9, thereby can guarantee the seal action of 22 pairs of pedestals 9 of seal disc; As shown in Figure 1, the close effect that the edge mate of spacing convex edge 3 and pedestal 9 can improve 22 pairs of pedestals 9 of seal disc guarantees that water can only be by the passage discharge of first mouth of a river 7 and second mouth of a river, 12 formations; Offering tri-angle-holed 24, tri-angle-holed 24 on the seal disc 22 communicates with circular hole 23; The periphery of pedestal 9 is installed permeable cover 2, offers several osculums 14 on the permeable cover 2, and adjustable lever 11 is installed at the middle part of permeable cover 2, and adjustable lever 11 can rotate with respect to permeable cover 2; One end of adjustable lever 11 is provided with gore 19, and gore 19 cooperates with tri-angle-holed 24, can stir seal disc 22 by rotary regulating lever 11 and rotate relative to pedestal 9, makes that first mouth of a river 7 is corresponding with second mouth of a river 12 to communicate or closed obstructed; The periphery of permeable cover 2 is installed flexible pipe 13.Be convenient disassembly, between permeable cover 2 and the pedestal 9, can all be threaded between protective housing 1 and the permeable cover 2.As shown in Figure 4 and Figure 5, locating bump 5 is positioned at the outside at first mouth of a river 7, and curve bath 4 is positioned at the outside at second mouth of a river 12, can guarantee that the intensity of pedestal 9 and seal disc 22 is not destroyed, and prolongs the working life of pedestal 9 and seal disc 22.
When installing and using, as shown in Figure 1, pedestal 9 can be installed on the waterexit end of waste pipe, make the waterexit end of described waste pipe be positioned at mounting groove 6; Usually, at the bottom of the level of ground water of bank slope, there is trend and the pressure that is recharged to bank slope by the waterexit end of described waste pipe in water in the water channel, but because flexible pipe 13 is that soft material is made, therefore, the effect bottom hose 13 of hydraulic pressure can be adjacent to permeable cover 2 in water channel, and permeable cover 2 is played good seal action, makes that the water in the water channel can't recharge; When rainfall rate is big, the bank slope level of ground water is higher, hydraulic pressure is bigger, underground water in the bank slope flows in the described waste pipe, and in first mouth of a river 7, second mouth of a river 12 and osculum 14 inflow flexible pipes 13, underground water can strut flexible pipe 13 and be entered in the water channel by flexible pipe 13.When need are changed or are cleared up permeable cover 2 and flexible pipe 13, for preventing that the water in the water channel from recharging, as shown in Figure 1, rotary regulating lever 11, adjustable lever 11 drives seal disc 22 by gore 19 and rotates relative to pedestal 9 around axle 8, curve bath 4 and locating bump 5 cooperations can limit seal disc 22 and can only rotate 60 degree, because second mouth of a river 12 is identical with the distributing position at first mouth of a river 7, the shape at second mouth of a river 12 and first mouth of a river 7 is identical with size, and the angle at first mouth of a river 7 is 60 degree, therefore, when seal disc 22 clockwise rotates 60 when spending, seal disc 22 just in time stops up the first all mouths of a river 7, at this moment, seal disc 22 is with pedestal 9 sealings, and the water in the water channel can't recharge in the described waste pipe by pedestal 9 and seal disc 22.Described flexible pipe 13 is meant by soft material to be made, and can be adjacent to permeable cover by the effect bottom hose of hydraulic pressure in water channel, permeable cover is played the soft pipe of good seal action.
For preventing that the foreign material in the water channel from scratching flexible pipe 13, as shown in Figure 1, the periphery of permeable cover 2 can be installed protective housing 1, offers groove 10 on the sidewall of protective housing 1; Flexible pipe 13 passes outside the groove 10.
For preventing in normal using process because extraneous factor is carried out misoperation to adjustable lever 11, making adjustable lever 11 drive seal disc 22 rotates, influence original drainage effect, as shown in Figures 2 and 3, adjustable lever 11 can be connected and composed by rotating shaft 16, limiting stopper 17, connecting rod 18 and gore 19, and the diameter of connecting rod 18 is less than the high h of gore 19, and an end of rotating shaft 16 is offered screw 15, limiting stopper 17 is installed gore 19 on the connecting rod 18 between connecting rod 18 and rotating shaft 16; The length of circular hole 23 equals closing of gore 19 thickness and axle 8 length; Tri-angle-holed 24 thickness equals the thickness of gore 19.Usually gore 19 is positioned at circular hole 23; When need pass through adjustable lever 11 rotary seal dishes 22, be threaded with screw 15 with the handle that has screw rod earlier, when the screw rod of above-mentioned handle and screw 15 turn to can't rotate the time, outwards spur adjustable lever 11 earlier, gore 19 is cooperated with tri-angle-holed 24, just can drive adjustable lever 11 by described handle and rotate this moment, thereby can make adjustable lever 11 drive seal disc 22 rotates, can prevent the generation of misoperation effectively, and can realize, under the prerequisite of guaranteeing not recharge, non-return device of the present invention is changed or installed to the waste pipe in the water channel of water filling use.17 pairs of adjustable levers 11 of limiting stopper play position-limiting action, guarantee to spur adjustable lever 11 after, gore 19 can cooperate with tri-angle-holed 24.
For easy for installation, as shown in Figure 1, the periphery of pedestal 9 can be provided with spacing folding along 20.Spacing folding can be to permeable cover 2 and 1 position-limiting action of protective housing along 20.
The present invention not technology contents of detailed description is known technology.
Claims (4)
1. back stop device of drain pipe of irrigation seepage control canal, it is characterized in that: comprise pedestal (9), offer groove (21), mounting groove (6) and three fan-shaped first mouths of a river (7) on the pedestal (9), three first mouths of a river (7) evenly distribute along circumference, the angle α at first mouth of a river (7) is 60 degree, promptly first mouth of a river (7) are the fan-shaped of 60 degree, the middle part of the pedestal (9) at first mouth of a river (7) is provided with axle (8), locating bump (5) is set on the pedestal (9), locating bump (5) is positioned at the outside of first mouth of a river (7), and seal disc (22) is installed in the groove (21); Offer circular hole (23) and curve bath (4) on the seal disc (22), curve bath (4) is 60 degree circular arcs, the periphery of seal disc (22) is provided with spacing convex edge (3), offer three fan-shaped second mouths of a river (12) on the seal disc (22), three second mouths of a river (12) evenly distribute along circumference, and second mouth of a river (12) are all identical with the size shape of first mouth of a river (7); Circular hole (23) cooperates with axle (8), and locating bump (5) cooperates with curve bath (4), the edge mate of spacing convex edge (3) and pedestal (9); Offer on the seal disc (22) tri-angle-holed (24), tri-angle-holed (24) communicate with circular hole (23); The periphery of pedestal (9) is installed permeable cover (2), offer several osculums (14) on the permeable cover (2), adjustable lever (11) is installed at the middle part of permeable cover (2), and an end of adjustable lever (11) is provided with gore (19), and gore (19) cooperates with tri-angle-holed (24); The periphery of permeable cover (2) is installed flexible pipe (13), and described flexible pipe (13) is meant by soft material to be made, and can be adjacent to permeable cover (2) by the effect bottom hose of hydraulic pressure in water channel, permeable cover (2) is played the soft pipe of good seal action.
2. back stop device of drain pipe of irrigation seepage control canal according to claim 1 is characterized in that: the periphery of permeable cover (2) is installed protective housing (1), offers groove (10) on the sidewall of protective housing (1); Flexible pipe (13) passes outside the groove (10).
3. back stop device of drain pipe of irrigation seepage control canal according to claim 1, it is characterized in that: adjustable lever (11) is connected and composed by rotating shaft (16), limiting stopper (17), connecting rod (18) and gore (19), one end of rotating shaft (16) is offered screw (15), limiting stopper (17) is positioned between connecting rod (18) and the rotating shaft (16), and connecting rod (18) is gone up gore (19) is installed; The length of circular hole (23) equals the closing of length of gore (19) thickness and axle (8); The thickness of tri-angle-holed (24) equals the thickness of gore (19).
4. back stop device of drain pipe of irrigation seepage control canal according to claim 1 is characterized in that: the periphery of pedestal (9) is provided with spacing folding along (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101085367A CN101736721B (en) | 2010-02-10 | 2010-02-10 | Back stop device of drain pipe of irrigation seepage control canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101085367A CN101736721B (en) | 2010-02-10 | 2010-02-10 | Back stop device of drain pipe of irrigation seepage control canal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101736721A CN101736721A (en) | 2010-06-16 |
| CN101736721B true CN101736721B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101085367A Expired - Fee Related CN101736721B (en) | 2010-02-10 | 2010-02-10 | Back stop device of drain pipe of irrigation seepage control canal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101736721B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535406B (en) * | 2012-01-09 | 2013-10-30 | 长江水利委员会长江科学院 | Pressure differential control type high-precision check valve equipment and application method |
| CN106745611A (en) * | 2016-12-30 | 2017-05-31 | 农业部环境保护科研监测所 | One kind irrigates water pretreatment system and farm irrigation system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187249Y (en) * | 1994-01-22 | 1995-01-11 | 邱世敏 | Rapid pipe joint |
| NZ330123A (en) * | 1998-04-03 | 2000-11-24 | Rodney Paul Knight | Waste outlet for shower cabinet, includes water trap and filter |
| CN201177123Y (en) * | 2008-02-04 | 2009-01-07 | 宁波市镇海迈克工具有限公司 | Joint for pipe dredger |
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2010
- 2010-02-10 CN CN2010101085367A patent/CN101736721B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101736721A (en) | 2010-06-16 |
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Granted publication date: 20110608 Termination date: 20130210 |