CN210737643U

CN210737643U - Desilting device of dam mouth of water conservancy and hydropower dam

Info

Publication number: CN210737643U
Application number: CN201921456947.8U
Authority: CN
Inventors: 冯凡; 邓佩如; 唐文玲; 盛宇
Original assignee: Tongren Polytechnic College
Current assignee: Tongren Polytechnic College
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-12
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a sediment removal device of water conservancy water and electricity dam mouth, including the casing of no end, the inner wall of the bottom of casing is opened threadedly, and the bottom screw thread of casing is pegged graft there is the screwed pipe, and the conical heavy piece of bottom fixedly connected with of screwed pipe, four side outer walls that the casing is close to the bottom are all opened and are advanced mud hole, and advance one side in mud hole and all are equipped with into mud mechanism, advance mud mechanism and include the annular slab, the annular slab passes through the bolt and fixes with the lateral wall of casing, and the annular slab keeps away from the arc pole that a plurality of equidistance annular distributions of one side outer wall fixedly connected with of casing, and the same curb plate of one end fixedly connected with of annular slab is kept away from to. The utility model relates to a desilting device that water conservancy water and electricity dam mouth was used, the device can reduce when the desilting solid debris such as submarine great stone be taken out in the pipeline and cause the probability of pipeline jam, has improved the practicality of device.

Description

Desilting device of dam mouth of water conservancy and hydropower dam

Technical Field

The utility model relates to a sediment removal device technical field especially relates to a sediment removal device of water conservancy water and electricity dam mouth.

Background

Water conservancy refers to the need of human society for survival and development, and adopts various measures to control and allocate water and water areas in the nature to prevent and control water and drought disasters, develop and utilize and protect water resources. In the water conservancy and hydropower treatment process, the dam mouth needs to be desilted.

At present, the existing dredging device for the dam mouth of the water conservancy and hydropower dam in the market mostly has the following defects in the using process: its bottom department simple structure who draws mud pipe can not block great stone, and then makes the pipeline of drawing mud easily block up, to sum up, and the desilting device that current water conservancy and hydropower dam mouth was used still can not agree with actual need well mostly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dredging device for the dam mouth of a water conservancy and hydropower dam.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a desilting device of water conservancy water and electricity dam mouth, includes the casing that does not have the end, the inner wall of the bottom of casing is opened threadedly, and the bottom screw thread of casing is pegged graft there is the screwed pipe, and the conical heavy piece of bottom fixedly connected with of screwed pipe, four side outer walls that the casing is close to the bottom have all been opened into mud hole, and one side of advancing mud hole all is equipped with into mud mechanism, it includes the annular slab to advance mud mechanism, and the annular slab passes through the bolt and fixes with the lateral wall of casing, and the annular slab keeps away from the arc pole that a plurality of equidistance annular distributions of one side outer wall fixedly connected with of casing, and the same curb plate of one end fixedly connected with of annular slab is kept away from to the arc pole, the same annular pin of lateral wall fixedly connected with of.

Furthermore, a mud pumping hole is formed in the top of the shell, and a mud pumping pipe is welded on the inner wall of the mud pumping hole.

Furthermore, a necking hopper is welded at the bottom end of the mud pumping pipe.

Furthermore, an annular seat is welded on the outer wall of the mud pumping pipe close to the top end, an annular groove is formed in the top of the annular seat, threads are formed in the arc-shaped inner side wall of the annular groove, and a rubber gasket is embedded in the inner wall of the bottom of the annular groove.

Furthermore, the outer walls of the two sides of the sinking block are welded with transverse blocks, the bottom of each transverse block is welded with a screw rod, the bottom end of each screw rod is sleeved with a folding rod, and the bottom end of each screw rod is sleeved with a nut.

Furthermore, a transverse plate is welded at the bottom end of the folding rod, and a pointed rod is welded at the bottom of the transverse plate.

The utility model has the advantages that:

1. through setting up into mud hole and advancing mud mechanism, when the desilting, silt enters into in the casing from the space department of arc pole, is taken out by taking out the mud pipe again, and above-mentioned in-process, arc pole and annular pin stop the great solid debris of external stone isovolumetric, reduce its entering and take out mud pipeline and the probability of accumulation, jam, improved the smoothness nature of desilting.

2. Through setting up annular seat and rubber packing ring, before using, will with the pipeline screw thread grafting of the mud equipment connection of taking out of peripheral hardware in the ring channel, its bottom supports tightly with the rubber packing ring, has improved the leakproofness of both junctions.

3. Through setting up conical heavy piece, when sinking, the heavy speed that can accelerate of heavy piece, and combine the setting of folding rod, diaphragm, sharp pole, when sinking to the bottom, four folding rods and diaphragm and device provide the support and avoid it to empty, and in the sharp pole can insert silt for the more stable placing of device.

Drawings

Fig. 1 is a schematic front sectional view of a dredging device of an embodiment 1 of the dam mouth of the water conservancy and hydropower dam of the present invention;

FIG. 2 is a schematic structural view of an arc-shaped rod and an annular stop rod of the dredging device for the dam mouth of the water conservancy and hydropower dam of the utility model;

fig. 3 is the utility model provides a partial main view section structure sketch map of embodiment 2 of a sediment removal device of water conservancy and hydropower dam mouth.

In the figure: 1-annular seat, 2-rubber gasket, 3-mud pumping pipe, 4-shell, 5-annular plate, 6-annular stop lever, 7-arc rod, 8-side plate, 9-folding rod, 10-transverse plate, 11-sharp head rod, 12-screw rod, 13-mud inlet hole, 14-sinking block, 15-threaded pipe and 16-necking bucket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1 and 2, a dredging device for dam mouth of water conservancy and hydropower dam comprises a bottomless shell 4, wherein the inner wall of the bottom end of the shell 4 is provided with a thread, the thread at the bottom end of the shell 4 is inserted with a threaded pipe 15, the bottom end of the threaded pipe 15 is welded with a conical sinking block 14, the conical sinking block 14 can accelerate the sinking speed, the outer walls of four sides of the shell 4 close to the bottom end are provided with mud inlet holes 13, one side of the mud inlet holes 13 is provided with a mud inlet mechanism, the mud inlet mechanism comprises an annular plate 5, the annular plate 5 is fixed with the side wall of the shell 4 through bolts, the outer wall of one side of the annular plate 5 far away from the shell 4 is welded with a plurality of arc-shaped rods 7 distributed in an annular shape at equal intervals, one end of the arc-shaped rod 7 far away from the annular plate 5 is welded with one side plate 8, the side wall of the arc-shaped rod 7 is welded with one annular stop rod 6, the probability of accumulation and blockage caused by entering a subsequent mud pumping pipeline is reduced, and the annular stop lever 6 is positioned at one side close to the annular plate 5.

The utility model discloses in, open at the top of casing 4 has the mud hole of taking out, and the inner wall welding in mud hole of taking out has mud pipe 3.

Wherein, the outer wall welding that the mud pumping pipe 3 is close to the top has annular seat 1, and the top of annular seat 1 is opened has the ring channel, and the arc inside wall of ring channel is opened has the screw thread, and the bottom inner wall scarf joint of ring channel has rubber packing ring 2.

Wherein, the both sides outer wall of sinker 14 all welds the crossband, and the bottom of crossband all welds screw rod 12, and the bottom of screw rod 12 has cup jointed folding rod 9, and the bottom of screw rod 12 has cup jointed the nut.

Wherein, the bottom welding of dog-ear 9 has diaphragm 10, and the bottom welding of diaphragm 10 has sharp pole 11, and when sinking to the bottom, four dog-ear 9 and diaphragm 10 and device provide the support and avoid it to empty, and sharp pole 11 can insert in the silt for the more stable placing of device.

The working principle is as follows: before using, the pipeline screw thread that will be connected with the mud equipment of taking out of peripheral hardware is pegged graft in the ring channel, its bottom supports tightly with rubber packing ring 2, the leakproofness of both junctions has been improved, sink this device into the bottom, when sinking, the sunken speed of conical heavy piece 14 can be with higher speed, when sinking to the bottom, four folding rods 9 and diaphragm 10 and device provide the support and avoid it to empty, and sharp head pole 11 can insert in the silt, make the more stable placing of device, when desilting, start the mud equipment of taking out of peripheral hardware, the silt gets into in casing 4 from the space department of arc pole 7, take out by taking out mud pipe 3 again, in the above-mentioned process, arc pole 7 and annular pin 6 block off the great solid debris of external stone isovolumetric, reduce its probability that gets into follow-up mud pipeline and accumulate, jam.

Example 2

Referring to fig. 3, the present embodiment is mainly different from embodiment 1 in that a necking bucket 16 is welded at the bottom end of a mud pumping pipe 3.

The working principle is as follows: when pumping mud, the diameter of the bottom end of the necking hopper 16 is smaller than that of the mud pumping pipe 3, so that the flow speed is higher, and the mud pumping efficiency can be accelerated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims

1. The dredging device for the dam mouth of the water conservancy and hydropower dam comprises a bottomless shell (4) and is characterized in that the inner wall of the bottom end of the shell (4) is provided with threads, the threads at the bottom end of the shell (4) are inserted into threaded pipes (15), the bottom end of each threaded pipe (15) is fixedly connected with a conical sinking block (14), the outer walls of four sides of the shell (4) close to the bottom end are provided with mud inlet holes (13), one side of each mud inlet hole (13) is provided with a mud inlet mechanism, each mud inlet mechanism comprises an annular plate (5), each annular plate (5) is fixed with the side wall of the shell (4) through bolts, the outer wall of one side of each annular plate (5) far away from the shell (4) is fixedly connected with a plurality of arc-shaped rods (7) distributed in an annular shape at equal intervals, one end of each arc-shaped rod (7) far away from the annular plate (5) is fixedly connected with the same side plate (8), the side wall of each arc-, the annular stop lever (6) is positioned at one side close to the annular plate (5).

2. The dredging device for the dam mouth of the water conservancy and hydropower dam according to claim 1, wherein a mud pumping hole is formed in the top of the shell (4), and a mud pumping pipe (3) is welded on the inner wall of the mud pumping hole.

3. The dredging device for the dam mouth of the water conservancy and hydropower dam according to claim 2, wherein a necking hopper (16) is welded at the bottom end of the mud pumping pipe (3).

4. The dredging device for the dam mouth of the water conservancy and hydropower dam according to claim 2 or 3, wherein the mud pumping pipe (3) is welded with the annular seat (1) near the outer wall of the top end, the top of the annular seat (1) is provided with the annular groove, the arc-shaped inner side wall of the annular groove is provided with the thread, and the inner wall of the bottom of the annular groove is embedded with the rubber gasket (2).

5. The dredging device for the dam mouth of the water conservancy and hydropower dam according to claim 4, wherein the outer walls of the two sides of the sinking block (14) are welded with transverse blocks, the bottom of each transverse block is welded with a screw (12), the bottom end of each screw (12) is sleeved with a folding rod (9), and the bottom end of each screw (12) is sleeved with a nut.

6. The dredging device for the dam mouth of the water conservancy and hydropower dam according to claim 5, wherein a transverse plate (10) is welded at the bottom end of the folding rod (9), and a pointed rod (11) is welded at the bottom of the transverse plate (10).