Sand disturbance system and method thereof

Abstract

The present invention relates to a sand disturbing system which includes a sand disturbance boat, wherein the sand disturbance boat includes: at least one floating body floating on water current; and at least one baffle disposed on the floating body, and inserted into the water current when disturbing sand, wherein a spacing is present between an edge of the baffle and a riverbed, and the baffle is adapted to disturbing sediment on the riverbed when the water current flows through the spacing. The sand disturbance method can be executed by the sand disturbance system according the invention. The present invention can enhance disturb sand effect and completely control inundation, and the implementing method is simple and easy to be promoted in the Yellow River and a variety of river water areas.

1 . A sand disturbance system, comprising a sand disturbance boat, wherein the sand disturbance boat comprises:
 at least one floating body floating on water current; and   at least one baffle disposed on the floating body, and inserted into the water current when disturbing sand, wherein a spacing is present between an edge of the baffle and a riverbed, and the baffle is adapted to disturbing sediment on the riverbed when the water current flows through the spacing.   
   
   
       2 . The system according to  claim 1 , further comprising:
 a wheel disc fixedly disposed relatively to the water current; and   a flexible chain wherein one end of the flexible chain fixedly is connected to the floating body, the other end of the flexible chain is wound around the wheel disc, and when the floating body runs downstream with a push of the water current, the wound flexible chain is dragged to drive the wheel disc to rotate.   
   
   
       3 . The system according to  claim 2 , further comprising:
 a generator connected to a rotation axis of the wheel disc via a transmission, and driven for generating power when the wheel disc rotates,.   
   
   
       4 . The system according to  claim 2 , further comprising:
 a first power device connected to the wheel disc and adapted to drive the wheel disc to rotate to wind the flexible chain around the wheel disc so as to drive the floating body to run upstream when stopping disturbing sand.   
   
   
       5 . The system according to  claim 1 , wherein one end of the baffle is pivotally connected to the floating body and a pivot spindle is disposed horizontally; and the system further comprises a second power device connected to the pivot spindle, and the second power device is adapted to drive the baffle to rotate such that the spacing between the baffle and the bottom of the riverbed is changed when the floating body runs downstream and disturbs sand, and to drive the baffle to rotate until the baffle moves away from the water current when the floating body runs upstream. 
   
   
       6 . The system according to  claim 1 , wherein a plurality of sand disturbance boats are disposed in series in a direction of the water current. 
   
   
       7 . The system according to  claim 2 , wherein there are two floating bodies and two flexible chains, the two flexible chains connected to the two floating bodies are connected with one wheel disc respectively via a pulley block one of the two flexible chains is in a winding state, the other flexible chain is in a loose state; one of the two floating bodies runs downstream with the push of the water current so as to drive the wheel disc to rotate, the other floating body runs upstream with the drive of the rotating wheel disc, and running scopes of the two floating bodies are not overlapped in the direction of the water current. 
   
   
       8 . The system according to  claim 3 , wherein there are two wheel discs with one flexible chain respectively wound thereon, one of the flexible chains is in a winding state, the other flexible chain is in a loose state; there is one generator, two transmissions respectively connected to rotation axes of the two wheel discs are connected to two ends of the generator respectively via a clutch or a ratchet wheel, the other ends of the rotation axes of the two wheel discs are respectively connected to a power device; one end of each flexible chain is connected with one floating body respectively, flexible chains of the two floating bodies are connected with the two wheel discs respectively via a pulley block; one of the floating bodies runs downstream with the push of the water current and drives the wheel disc to rotate so as to drive the generator to rotate for generating power, the wheel disc connected to the other floating body rotates with the drive of the power device so as to drive the connected floating body to run upstream; and running scopes of the two floating bodies are not overlapped in a direction of the water current. 
   
   
       9 . The system according to  claim 1 , further comprising:
 a third power device, disposed on the floating body and adapted to drive the floating body to form a preset velocity difference with the water current when disturbing sand.   
   
   
       10 . A sand disturbance method, comprising:
 inserting a baffle disposed on a floating body of a sand disturbance boat into water current, wherein a spacing is present between an edge of the baffle and a riverbed; and   driving, by the baffle, the floating body to run downstream with a push of the water current, wherein sediment is disturbed and flowed away when the water current flows through the spacing.   
   
   
       11 . The method according to  claim 10 , wherein when the baffle drives the floating body to run downstream with the push of the water current, the method further comprises:
 dragging, by the floating body, a flexible chain connected to the floating body, wherein the other end of the flexible chain is wound around a wheel disc fixedly disposed relatively to the water current such that the dragged flexible chain drives the wheel disc to rotate.   
   
   
       12 . The method according to  claim 11 , wherein when the floating body drags the flexible chain and the dragged flexible chain drives the wheel disc to rotate, the method further comprises:
 driving, by the rotating wheel disc, a generator connected to the wheel disc for generating power.   
   
   
       13 . The method according to  claim 11 , wherein after the floating body drags the flexible chain and the dragged flexible chain drives the wheel disc rotate until the flexible chain loose from the wheel disc, the method further comprises:
 starting a first power device to drive the floating body to run upstream; and   rotating, by the wheel disc, so as to wind the flexible chain during the upstream running of the floating body.   
   
   
       14 . The method according to  claim 13 , wherein before starting the first power device, the method further comprises: moving the baffle away from the water current. 
   
   
       15 . The method according to  claim 14 , wherein the step of moving the baffle away from the water current specifically comprises: driving a pivot spindle between an end of the baffle and the floating body to rotate until the baffle is moved away from the water current. 
   
   
       16 . The method according to  claim 13 , wherein the step of starting a first power device to drive the floating body to run upstream specifically comprises: starting the first power device fixedly disposed relatively to the water current to drive the wheel disc to rotate so as to drive the floating body to run upstream. 
   
   
       17 . The method according to  claim 12 , wherein the step of driving, by the rotating wheel disc, a generator connected to the wheel disc for generating power when the floating body drags the flexible chain and the dragged flexible chain drives the wheel disc to rotate specifically comprises:
 the floating body, the flexible chain and the wheel disc specifically being a first floating body, a first flexible chain and a first wheel disc, and when the first floating body drags the first flexible chain and the dragged first flexible chain drives the first wheel disc to rotate, the rotating first wheel disc engaging with the generator via a first clutch and driving the generator for generating power;   at the same time, disconnecting a second wheel disc from the generator via a second clutch, driving the second wheel disc to rotate, the rotating second wheel disc winding a second flexible chain connected to the second wheel disc, and the second flexible chain dragging a second floating body connected to the second flexible chain to run upstream in the water current, wherein the first floating body and the second floating body run downstream and upstream alternately, and their connected clutches engage to the generator when the connected floating bodies run downstream and disengage to the generator when the connected floating bodies run upstream.   
   
   
       18 . The method according to  claim 10 , wherein when the floating body disturbs sand, the method further comprises: starting a third power device to drive the floating body to form a preset velocity difference with the water current.