CN212248142U

CN212248142U - Drainage device for water conservancy and hydropower

Info

Publication number: CN212248142U
Application number: CN202020453294.4U
Authority: CN
Inventors: 王礼仙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-29
Anticipated expiration: 2030-03-31

Abstract

The utility model belongs to the technical field of water conservancy and hydropower, in particular to a drainage device for water conservancy and hydropower, which comprises a main canal and an auxiliary canal at the side edge of the main canal, wherein the main canal and the auxiliary canal are connected through a diversion canal; the end surfaces of the water diversion channel, which are connected with the main channel and the auxiliary channel, are respectively provided with a gate device; when the accumulated water of the main channel needs to be drained in a flood season or heavy rainfall weather, the gate device at the joint of the main channel and the auxiliary channel and the water channel is opened, the main channel, the auxiliary channel and the water channel form a passage, the accumulated water is drained to the auxiliary channel along the water channel, the accumulated water is quickly conducted by the water device in the drainage process, otherwise, the drainage can be finished by closing the gate device, and the drainage operation is convenient to open and close; when the water passing device works, external mechanical driving equipment is not needed, the self-suction turbine is driven to rotate by the accumulated water scouring force, vortexes are generated in the rotating process, the attraction force of the rotating center is large, accumulated water can be rapidly drained, and the drainage cost is reduced.

Description

Drainage device for water conservancy and hydropower

Technical Field

The utility model relates to a water conservancy water and electricity technical field especially relates to a drainage device for water conservancy water and electricity.

Background

The problem that the ditch of hydraulic and hydroelectric engineering exists the retaining in heavy rainfall weather needs to shunt the ponding in the ditch, prevents that ponding from scouring generating set and causing the unit load, influences generating set's normal operating.

The technical problems in the prior art are as follows:

1. the existing drainage device for the hydropower project can only drain small-scale accumulated water, and in heavy rainfall weather or flood season, the existing drainage device mostly adopts a pump set to pump water, so that the accumulated water cannot be quickly shunted, the accumulated water washes a generator set, and the defects exist;

2. the current drainage device for hydraulic and hydroelectric engineering is inconvenient to open and close and cannot be used in time.

In order to solve the problem, the application provides a drainage device for water conservancy and hydropower.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a drainage device for water conservancy water and electricity has the characteristics of opening and close the convenience and carry out the ponding drainage fast.

(II) technical scheme

In order to solve the problems, the utility model provides a water conservancy and hydropower drainage device, which comprises a main canal and an auxiliary canal at the side edge of the main canal, wherein the main canal and the auxiliary canal are connected through a diversion canal;

the end surfaces of the diversion canal, which are connected with the main canal and the auxiliary canal, are respectively provided with a gate device, the top of the diversion canal is fixed with a convex gate frame, the top of the gate frame is fixed with a gate beam, the middle position of the gate beam is connected with a lifting device, the lifting device is connected with a lifting shaft which penetrates through the gate beam, and one end of the lifting shaft, which penetrates through the gate beam, is connected with a water retaining gate;

the water diversion canal is characterized in that a water passing device is arranged in the middle of the water diversion canal, the drainage tube is installed at the bottom of the canal of the water diversion canal, shaft brackets are symmetrically arranged at two ends of the drainage tube, a turbine shaft is connected between the shaft brackets, and a self-suction turbine is sleeved on the outer wall of the turbine shaft.

Preferably, the drainage tubes are arranged in two, and the two drainage tubes are symmetrically arranged at the bottom of the water diversion channel.

Preferably, the self-suction turbine is of a fan blade structure, and a through hole is formed in the self-suction turbine.

Preferably, the number of the self-suction turbines is five, and the five self-suction turbines are rotatably connected to the outer wall of the turbine shaft.

Preferably, the water gate is slidably connected to an inner wall of the gate frame.

Preferably, a water filtering grid is fixed in the water diversion channel at a position close to the main water channel, and a water passing device is arranged behind the water filtering grid.

The above technical scheme of the utility model has following profitable technological effect:

1. when flood season or heavy rainfall weather need carry out the drainage to main ditch ponding, open the gate device of main ditch and assistance ditch and inlet channel junction, main ditch, assistance ditch and inlet channel three constitute the route, ponding is to assisting the ditch drainage along the inlet channel, and the drainage in-process leads to the device and carries out switching on of ponding fast, otherwise closes the gate device and can end the drainage, and the drainage operation is opened and close the facility.

2. The water-filling device does not need external mechanical driving equipment during working, and the self-suction turbine is driven to rotate by the accumulated water scouring force, so that a vortex is generated in the rotating process, the attraction of the rotating center is large, accumulated water can be drained quickly, accumulated water drainage can be performed without external power equipment, and the drainage cost is reduced.

Drawings

Fig. 1 is a schematic view of a water channel connection structure of the present invention;

fig. 2 is a schematic top view of the diversion canal of the present invention;

fig. 3 is a schematic view of the front structure of the diversion canal of the present invention;

fig. 4 is a schematic view of a second structure of the water channel connection of the present invention.

Reference numerals:

1. a main canal; 2. an auxiliary ditch; 3. a water diversion canal; 4. a gate device; 41. a gate frame; 42. a gate beam; 43. a water-retaining gate; 44. a take-off and landing device; 5. a water passing device; 51. a drainage tube; 52. a pedestal; 53. a turbine shaft; 54. a self-priming turbine; 6. and (5) a water filtering grid.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a water conservancy and hydropower drainage device, which comprises a main canal 1 and an auxiliary canal 2 at the side of the main canal 1, wherein the main canal 1 and the auxiliary canal 2 are connected through a water diversion canal 3;

the end surfaces of the diversion canal 3, which are connected with the main canal 1 and the auxiliary canal 2, are respectively provided with a gate device 4, the top of the diversion canal 3 is fixed with a convex gate frame 41, the top of the gate frame 41 is fixed with a gate beam 42, the middle position of the gate beam 42 is connected with a lifting device 44, the lifting device 44 is connected with a lifting shaft which penetrates through the gate beam 42, one end of the lifting shaft, which penetrates through the gate beam 42, is connected with a water retaining gate 43, and the water retaining gate 43 is connected with the inner wall of the gate frame 41 in a sliding manner;

the middle part of the water guide channel 3 is provided with a water passing device 5, the drainage tube 51 is arranged at the bottom of the water guide channel 3, two ends of the drainage tube 51 are symmetrically provided with shaft brackets 52, a turbine shaft 53 is connected between the two shaft brackets 52, and the outer wall of the turbine shaft 53 is sleeved with a self-absorption turbine 54.

It should be noted that: the drainage tubes 51 are arranged in two, and the two drainage tubes 51 are symmetrically arranged at the bottom of the water channel 3; two draft tubes 51 are used for the penstock 3 to transport the accumulated water discharged from the main raceway 1.

In an optional embodiment, a water filtering grid 6 is fixed in the water diversion channel 3 at a position close to the main water diversion channel 1, and a water passing device 5 is arranged behind the water filtering grid 6; the water filtering grille 6 is arranged in the water diversion channel 3 to intercept floating garbage sundries in accumulated water, so that garbage is prevented from blocking the water passing device 5 in the water diversion channel 3, and the smoothness of drainage operation is kept.

The utility model discloses in, when flood season or heavy rainfall weather need carry out the drainage to 1 ponding of main ditch, open main ditch 1 and the gate gear 4 of assisting ditch 2 and inlet channel 3 junction, the device 44 that takes off and land drives the axle that takes off and land and rise, it rises along gate frame 41 to block water gate 43 under the drive of the axle that takes off and land, main ditch 1, assist ditch 2 and inlet channel 3 three and constitute the route, ponding is along the inlet channel 3 to assisting the drainage of ditch 2, drainage in-process water device 5 carries out switching on of ponding fast, when not needing the drainage, close the gate gear 4 of main ditch 1 and inlet channel 3 junction earlier, treat that the ponding drainage finishes in the inlet channel 3, close the gate gear 4 of assisting ditch 2 and inlet channel 3 junction, can finish the drainage operation.

as shown in fig. 3, the self-priming turbine 54 is a fan blade structure, and five self-priming turbines 54 are provided, and the five self-priming turbines 54 are rotatably connected to the outer wall of the turbine shaft 53.

In an alternative embodiment, the self-priming turbine 54 is provided with a through hole, the through hole of the self-priming turbine 54 is used for passing water, and accumulated water can be discharged from the gap between the self-priming turbine 54 and the draft tube 51 and the through hole.

It should be noted that the self-priming turbine 54 rotates on the outer wall of the turbine shaft 53, the accumulated water washes the surface of the self-priming turbine 54 to provide rotating power, a vortex is generated in the rotating process of the self-priming turbine 54, the suction force at the center of the vortex is large, the accumulated water can be quickly sucked and discharged to the rear of the drainage tube 51, the accumulated water is quickly drained to the auxiliary ditch 2, no external mechanical driving equipment is needed when the water passing device 5 works, the accumulated water washing power is adopted for driving, and the drainage cost is reduced.

As shown in fig. 4, the outer side of the main canal 1 is connected with different auxiliary canals 2 through two aqueducts 3 to drain accumulated water, and the drainage efficiency is higher.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The water conservancy and hydropower drainage device is characterized by comprising a main water channel (1) and an auxiliary water channel (2) arranged on the side edge of the main water channel (1), wherein the main water channel (1) is connected with the auxiliary water channel (2) through a water channel (3);

the end surfaces of the water diversion channel (3) connected with the main water channel (1) and the auxiliary water channel (2) are respectively provided with a gate device (4), the top of the water diversion channel (3) is fixedly provided with a raised gate frame (41), the top of the gate frame (41) is fixedly provided with a gate beam (42), the middle position of the gate beam (42) is connected with a lifting device (44), the lifting device (44) is connected with a lifting shaft penetrating through the gate beam (42), and one end of the lifting shaft penetrating through the gate beam (42) is connected with a water retaining gate (43);

the middle part of inlet channel (3) is provided with leads to water installation (5), and drainage tube (51) are installed the canal bottom of inlet channel (3), the both ends symmetry of drainage tube (51) is provided with pedestal (52), two be connected with turbine shaft (53) between pedestal (52), the outer wall cover of turbine shaft (53) is equipped with from inhaling turbine (54).

2. The water conservancy and hydropower drainage device according to claim 1, wherein the number of the drainage tubes (51) is two, and the two drainage tubes (51) are symmetrically arranged at the bottom of the water guide channel (3).

3. The water conservancy and hydropower drainage device according to claim 1, wherein the self-suction turbine (54) is of a fan blade structure, and a through hole is formed in the self-suction turbine (54).

4. The hydraulic and hydroelectric drainage device of claim 1, wherein said self-suction turbines (54) are provided with five, five of said self-suction turbines (54) being rotatably connected to the outer wall of said turbine shaft (53).

5. The device according to claim 1, characterized in that said water-stop gate (43) is slidingly associated with the inner wall of said gate frame (41).

6. The water conservancy and hydropower drainage device according to claim 1, wherein a water filtering grid (6) is fixed in the water diversion channel (3) at a position close to the main channel (1), and a water passing device (5) is arranged behind the water filtering grid (6).