CN220202897U - Soil and stone dam foot escape canal anti-siltation device - Google Patents

Abstract

The utility model relates to a soil and stone dam foot drainage ditch anti-siltation device which comprises a drainage ditch arranged at the soil and stone dam foot and a plurality of cleaning components arranged in the drainage ditch, wherein the cleaning components comprise a first interception net, a second interception net, a sand sedimentation tank, two mounting frames, two screw rods and two turntables, the first interception net and the second interception net are movably connected in the drainage ditch, the second interception net is positioned on one side of the first interception net, the sand sedimentation tank is arranged at the bottom of the drainage ditch and between the first interception net and the second interception net, the two mounting frames are fixedly arranged on one side of the bottom of the soil and stone dam and are in threaded connection with the inner parts of the corresponding mounting frames, and the bottoms of the two screw rods are respectively in rotary connection with the tops of the first interception net and the second interception net. The utility model has the beneficial effects that sundries can be intercepted and filtered and sediment can be deposited by arranging the cleaning component, so that the drain ditch can be effectively prevented from being blocked by the sediment, and the drain smoothness of the drain ditch is ensured.

Description

Soil and stone dam foot escape canal anti-siltation device

Technical Field

The utility model relates to the technical field of drainage, in particular to a siltation preventing device for a dam foot drainage ditch of an earth-rock dam.

Background

Earth and rockfill dams are a common hydraulic engineering and are generally made of earth and rockfill materials and are used for intercepting water sources such as rivers, reservoirs and the like. When the dam body material is mainly composed of soil and gravel, the soil dam is called, and when the stone slag, pebbles and blasting stones are mainly composed, the rock-fill dam is called; when the two types of local materials account for a considerable proportion, the earth-rock mixing dam is called. At present, the earth-rock dam is the most widely applied and fast developed dam type in world dam engineering construction. At the dam foot of the earth-rock dam, a drainage system is usually arranged for draining water and rainwater and the like in the dam body. Drainage systems typically include components such as gutters, sand ponds, sand drains, sand pipes, etc., wherein gutters are an important component. However, since the water leakage and the rainwater in the dam body often contain a large amount of sediment and sundries, the sediment and the sundries are easy to accumulate in the drainage ditch, so that a drainage system is blocked, and the safety of the dam body is affected.

Disclosure of Invention

In view of the foregoing problems in the prior art, a main object of the present utility model is to provide an anti-fouling device for a dam foot drainage ditch of an earth-rock dam.

The technical scheme of the utility model is as follows: the utility model provides a soil stone dam foot escape canal anti-siltation device, includes the escape canal that sets up at soil stone dam foot and a plurality of clearance subassembly that sets up inside the escape canal, clearance subassembly includes first interception net, second interception net, sand sedimentation tank, two mounting brackets, two lead screws and two turntables, the equal swing joint of first interception net and second interception net is in the inside of escape canal, the second interception net is located one side of first interception net, sand sedimentation tank sets up in the bottom of escape canal and is located between first interception net and the second interception net, two mounting brackets fixed mounting is in one side of soil stone dam bottom and two equal threaded connection of lead screw is in the inside of corresponding mounting bracket, two the bottom of lead screw respectively with the top rotation of first interception net and second interception net is connected, two the equal fixed connection of turntables is at the top of corresponding lead screw.

As a preferred implementation mode, the top of escape canal is equipped with the protective housing, the inside fixedly connected with suction dredge pump of protective housing, the entering end fixedly connected with of suction dredge pump extends to the inside connecting pipe of desilting pond, the discharge end and the external sediment outflow union coupling of suction dredge pump.

As a preferable implementation mode, a mud guard is fixedly connected to the bottom of the inner wall of the drainage ditch and positioned on one side of the sand sedimentation tank.

As a preferred implementation mode, a drain grate is arranged above the drain ditch, and the protective box is fixedly arranged at the top of the drain grate.

As a preferred embodiment, the cleaning assembly further comprises two handles, both of which are rotatably connected to the eccentric of the top of the corresponding turntable.

In a preferred embodiment, the drainage direction inside the drainage ditch is that the first interception net flows to the second interception net, and the mesh of the second interception net is smaller than that of the first interception net.

As a preferred embodiment, the dredge pump is electrically connected with an external control device.

Compared with the prior art, the utility model has the advantages and positive effects that:

the utility model has simple structure and convenient operation, and can realize interception and filtration of sundries and sediment precipitation of sediment under the action of the first interception net, the sediment tank and the second interception net by arranging the cleaning assembly, thereby effectively preventing the drainage ditch from being blocked by the sediment so as to ensure that the drainage of the drainage ditch is smooth, and simultaneously cleaning the first interception net and the second interception net, and has simple operation so as to prevent the smoothness of drainage from being influenced by excessive sundries in the first interception net and the second interception net, and clean the sediment in the sediment tank by arranging the mud suction pump, thereby facilitating the sediment precipitation work of the sediment tank.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of a front cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a part of a front view structure of the present utility model.

Legend description: 1. earth and rockfill dams; 2. a drainage ditch; 3. a first interception net; 4. a second interception net; 5. a sand sedimentation tank; 6. a mounting frame; 7. a screw rod; 8. a turntable; 9. a protective box; 10. a suction pump; 11. a connecting pipe; 12. a water discharging grate; 13. a mud guard.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The utility model will be further described with reference to the drawings and the specific embodiments

Examples

As shown in fig. 1 to 3, the present utility model provides a technical solution: comprises a drainage ditch 2 arranged at the dam foot of a earth-rock dam 1 and a plurality of cleaning components arranged inside the drainage ditch 2, wherein the cleaning components comprise a first interception net 3, a second interception net 4, a sand sedimentation tank 5, two mounting frames 6, two screw rods 7 and two rotary tables 8, the first interception net 3 and the second interception net 4 are movably connected inside the drainage ditch 2, the second interception net 4 is positioned at one side of the first interception net 3, the sand sedimentation tank 5 is arranged at the bottom of the drainage ditch 2 and positioned between the first interception net 3 and the second interception net 4, the two mounting frames 6 are fixedly arranged at one side of the bottom of the earth-rock dam 1 and are in threaded connection with the corresponding mounting frames 6, the bottoms of the two screw rods 7 are respectively and rotatably connected with the tops of the first interception net 3 and the second interception net 4, the two rotary tables 8 are fixedly connected with the tops of the corresponding screw rods 7, when water flows in the drainage ditch 2, large sundries can be well intercepted and filtered under the action of the first interception net 3, when the water flows above the sand sedimentation tank 5 after preliminary interception, the sand sedimentation tank 5 can well sediment and sundries at the bottom of the water flow, the water flow after sedimentation can be secondarily intercepted and filtered under the action of the second interception net 4, so that impurities, sediment and other sundries can be reduced to flow into the drainage ditch 2, the drainage ditch 2 can be effectively prevented from being blocked by silts, the smooth drainage of the drainage ditch 2 is ensured, when the sundries in the first interception net 3 or the second interception net 4 are too much, the rotary table 8 is rotated, the screw rod 7 can be driven to rotate better through the rotary table 8, and the screw rod 7 moves upwards when rotating, thereby the lifting operation of the first interception net 3 or the second interception net 4 can be completed, the first interception net 3 or the second interception net 4 is rotated to enable the inlet of the first interception net or the second interception net 4 to face one side of the drainage ditch 2, so that the first interception net 3 or the second interception net 4 can be cleaned, the operation is simple, and the phenomenon that the smoothness of drainage is influenced by excessive sundries in the first interception net 3 or the second interception net 4 is well prevented;

the top of the drainage ditch 2 is provided with a protective box 9, the inside of the protective box 9 is fixedly connected with a mud suction pump 10, the inlet end of the mud suction pump 10 is fixedly connected with a connecting pipe 11 extending to the inside of the sand sedimentation tank 5, the discharge end of the mud suction pump 10 is connected with an external sand discharge pipe, the mud suction pump 10 is controlled to operate when excessive sediment is accumulated in the sand sedimentation tank 5, the mud suction pump 10 operates to suck out the sediment in the sand sedimentation tank 5 through the connecting pipe 11, the sand sedimentation tank 5 can be cleaned, and the sediment pumped by the mud suction pump 10 can be discharged through the external sand discharge pipe;

the mud guard 13 is fixedly connected to the bottom of the inner wall of the drainage ditch 2 and positioned on one side of the sand sedimentation tank 5, and mud and sand which does not enter the sand sedimentation tank 5 in water flow can be intercepted under the action of the mud and mud guard 13 with an inclined plane structure, so that mud and sand precipitated at the bottom of the drainage ditch 2 can be reduced, and a certain anti-sedimentation effect is achieved;

wherein, the drain ditch 2 is provided with a drain grate 12 above, the protective box 9 is fixedly arranged at the top of the drain grate 12, the drain ditch 2 can be protected under the action of the drain grate 12, and meanwhile, the drain ditch 2 is prevented from being blocked due to the fact that sundries with larger volume enter the drain ditch 2;

the cleaning assembly further comprises two rotating handles, the two rotating handles are both connected to the eccentric positions at the tops of the corresponding rotating discs 8 in a rotating mode, and the rotating discs 8 can be driven to rotate better through rotating the rotating discs 8;

the drainage direction in the drainage ditch 2 is that the first interception net 3 flows to the second interception net 4, meshes of the second interception net 4 are smaller than those of the first interception net 3, and the first interception net 3 intercepts larger impurities and then can intercept and filter smaller impurities under the action of the second interception net 4;

the dredge pump 10 is electrically connected with external control equipment, and the dredge pump 10 can be controlled to operate better by operating the external control equipment.

Working principle:

as shown in fig. 1 to 3, when the water flows inside the drainage ditch 2, the water flow can well intercept and filter larger sundries under the action of the first interception net 3, the water flow after preliminary interception flows to the upper side of the sediment tank 5, sediment and sundries at the bottom of the water flow can be well precipitated by the sediment tank 5, the water flow after precipitation can be subjected to secondary interception and filtration under the action of the second interception net 4, impurities such as impurities and sand flow to the inside of the drainage ditch 2, the drainage ditch 2 can be effectively prevented from being blocked by silts, so that the drainage ditch 2 is ensured to be smooth, when the sundries inside the first interception net 3 or the second interception net 4 are too much, the rotary turntable 8 can well drive the lead screw 7 to rotate, the lead screw 7 moves upwards when rotating, thereby the lifting operation of the first interception net 3 or the second interception net 4 can be completed, the inlet of the first interception net 3 or the second interception net 4 is enabled to face one side of the drainage ditch 2, the first interception net 3 or the second interception net 4 can be reduced, the sediment pump 10 can be effectively prevented from being blocked by silted, the sediment pump 10 can be easily cleaned by the first interception net 3 or the second interception net 4, the sediment pump can be prevented from being easily cleaned, and the sediment pump 10 can be easily sucked out of the inside the sediment pump 10 and can be prevented from running inside the sediment pump 10 when the sediment pump is greatly sucked out, and the inside the sediment pump is greatly sucked out through the inside the sediment tank 5, and the sediment pump is greatly cleaned.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a soil and stone dam foot escape canal anti-siltation device, is including setting up escape canal (2) and a plurality of clearance subassembly that set up inside escape canal (2) at the escape canal of soil and stone dam (1) dam foot, its characterized in that: the cleaning assembly comprises a first interception net (3), a second interception net (4), a sand sedimentation tank (5), two installation racks (6), two screw rods (7) and two turntables (8), wherein the first interception net (3) and the second interception net (4) are movably connected in the drainage ditch (2), the second interception net (4) is located on one side of the first interception net (3), the sand sedimentation tank (5) is arranged at the bottom of the drainage ditch (2) and between the first interception net (3) and the second interception net (4), the two installation racks (6) are fixedly installed on one side of the bottom of the earth-rock dam (1) and are connected with the screw rods (7) in a threaded mode in the corresponding installation racks (6), the bottoms of the screw rods (7) are respectively connected with the tops of the first interception net (3) and the second interception net (4) in a rotating mode, and the two turntables (8) are fixedly connected with the tops of the corresponding screw rods (7).

2. The earth-rock dam foot drainage ditch anti-fouling device according to claim 1, wherein: the top of escape canal (2) is equipped with protective housing (9), the inside fixedly connected with suction dredge pump (10) of protective housing (9), the entering end fixedly connected with of suction dredge pump (10) extends to connecting pipe (11) inside sand sedimentation tank (5), the discharge end and the external sand discharge union coupling of suction dredge pump (10).

3. The earth-rock dam foot drainage ditch anti-fouling device according to claim 2, wherein: the mud guard (13) is fixedly connected to the bottom of the inner wall of the drainage ditch (2) and positioned on one side of the sand sedimentation tank (5).

4. A soil and rock dam foot drainage ditch anti-fouling device according to claim 3, wherein: the upper part of the drainage ditch (2) is provided with a drainage grate (12), and the protective box (9) is fixedly arranged at the top of the drainage grate (12).

5. The earth-rock dam foot drainage ditch anti-fouling device according to claim 4, wherein: the cleaning assembly further comprises two rotating handles, and the two rotating handles are both connected to the eccentric positions of the tops of the corresponding turntables (8) in a rotating mode.

6. The earth-rock dam foot drainage ditch anti-fouling device according to claim 5, wherein: the drainage direction inside the drainage ditch (2) is that the first interception net (3) flows to the second interception net (4), and meshes of the second interception net (4) are smaller than those of the first interception net (3).

7. The earth-rock dam foot drainage ditch anti-fouling device according to claim 2, wherein: the dredge pump (10) is electrically connected with external control equipment.