CN220620207U - Integrated water inlet device for hydraulic engineering - Google Patents

Abstract

The utility model discloses an integrated water inlet device for hydraulic engineering, which relates to the technical field of hydraulic engineering and comprises a water delivery valve well, wherein a maintenance platform is fixedly connected in the water delivery valve well, a water inlet main pipe is arranged on the water delivery valve well in a penetrating way, a maintenance valve and a working valve are respectively arranged on the water inlet main pipe, a vent pipe is communicated with the water inlet main pipe, one end of the water inlet main pipe is provided with a horn mouth, a positioning cage is welded on the horn mouth, a plunger cone valve matched with the horn mouth in a plugging way is connected in the positioning cage in a sliding way, a flushing valve is matched with the plunger cone valve in a plugging way, a pull ring is fixedly connected on the flushing valve, and a rope is fixedly connected on the pull ring; a winding mechanism for winding the rope; the horn mouth is plugged through the plunger cone valve, an overhaul environment is provided for overhaul work, after overhaul is finished, the plunger cone valve moves out of the horn mouth to send water to the downstream, and the situation that the water level is reduced, so that no water is used by common people at the downstream and farmland sewage is irrigated is avoided.

Description

Integrated water inlet device for hydraulic engineering

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to an integrated water inlet device for hydraulic engineering.

Background

Hydraulic engineering: engineering constructed for controlling and preparing surface water and underground water in nature to achieve the aim of removing harm and benefiting, and also called water engineering; the objects can be classified by purpose or service as: flood control engineering, farmland hydraulic engineering, hydroelectric power generation engineering, channel and port engineering, town water supply and drainage engineering, water and soil conservation engineering, environmental hydraulic engineering and the like.

At present, in the small reservoir hub engineering of China, a drinking water intake pipe or an irrigation intake pipe is generally controlled by mainly adopting 2 modes to control the opening and closing of pipeline water flow, namely, the first mode is as follows: after the pipeline passes through the dam body or the mountain body of the dam abutment, 1 to 2 gate valves (1 overhaul and 1 work) are arranged at the outlet section to control the opening and closing of the pipeline water flow; the second is: a water intake shaft is built in front of a dam or at a dam abutment in a warehouse, a water intake pipeline is led under the dam after passing through the water intake shaft, a dam body or left and right dam abutment mountain bodies, and 1 to 2 gate valves (1 overhaul and 1 work) are arranged on the water intake pipeline in the water intake shaft to control the opening and closing of pipeline water flow.

Because the gate valve is a metal product, the gate valve runs for a long time and has the phenomena of corrosion, aging and the like with different degrees, the maintenance and the replacement of the valve are urgent, but the replacement of the maintenance valve has a fatal problem that the water level of the reservoir needs to be reduced below the water inlet of the water intake pipeline, so that no high-speed water flow passes through the pipeline, a necessary construction environment is provided for the replacement of the gate valve, but the reservoir bears the difficult tasks of water supply and irrigation due to smaller reservoir volume and smaller storage coefficient, and if the water level of the reservoir is reduced to replace the gate valve, the situation that the downstream people do not drink water and the farmland does not irrigate water before the next flood season is possibly caused.

Disclosure of Invention

The utility model aims to provide an integrated water inlet device for hydraulic engineering, which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the integrated water inlet device for the hydraulic engineering comprises a water delivery valve well, wherein an overhaul platform is fixedly connected in the water delivery valve well, a water inlet main pipe is arranged on the water delivery valve well in a penetrating manner, an overhaul valve and a working valve are respectively arranged on the water inlet main pipe, a vent pipe is communicated with the water inlet main pipe, one end of the water inlet main pipe is provided with a horn mouth, a positioning cage is welded on the horn mouth, a plunger cone valve matched with the horn mouth in an inserted manner is connected in a sliding manner in the positioning cage, a flushing valve is matched on the plunger cone valve in an inserted manner, a pull ring is fixedly connected on the flushing valve, and a rope is fixedly connected on the pull ring;

and the winding mechanism is arranged on the water delivery valve well and is used for winding the rope.

Further, the winding mechanism comprises a reel which is rotatably connected with the water delivery valve well, one end of the rope is fixedly connected with the reel, and the handle is fixedly connected with the reel.

Further, still include locking mechanism, locking mechanism includes coaxial fixedly connected with on the spool ratchet, and the epaxial fixedly connected with riser of water delivery valve is rotated on the riser and is connected with the pawl, pawl and ratchet joint cooperation are provided with first spring between pawl and the riser, fixedly connected with driving lever on the pawl.

The plunger cone valve is characterized by further comprising a connecting mechanism, wherein the connecting mechanism comprises a first connecting rod which is rotationally connected to the plunger cone valve, a second connecting rod is rotationally connected to the first connecting rod, and the second connecting rod is rotationally connected with the flushing valve.

Compared with the prior art, the integrated water inlet device for the hydraulic engineering provided by the utility model has the advantages that the horn mouth is plugged through the plunger cone valve, the environment is provided for maintenance, after the maintenance is finished, the plunger cone valve is moved out of the horn mouth to send water to the downstream, and the situation that the water level is reduced, so that the downstream people do not need to use water and farmland sewage is irrigated is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a water delivery valve well according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a winding mechanism, a locking mechanism, a bell mouth, a plunger cone valve and a flushing valve according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a bell mouth, a plunger cone valve and a flushing valve according to an embodiment of the present utility model;

reference numerals illustrate: 1. a water delivery valve well; 2. overhauling a cat ladder; 3. a maintenance platform; 4. a water inlet main pipe; 41. a horn mouth; 5. a positioning cage; 6. plunger cone valve; 7. a flush valve; 71. a pull ring; 8. a first link; 9. a second link; 10. a handle; 11. a reel; 12. a locking mechanism; 121. a ratchet wheel; 122. a riser; 123. a pawl; 124. a first spring; 125. a deflector rod; 13. a water pump; 14. a service valve; 15. a working valve; 16. and (5) a vent pipe.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the integrated water inlet device for hydraulic engineering provided by the embodiment of the utility model comprises a water delivery valve well 1, wherein a plurality of maintenance ladders 2 are arranged on the inner wall of the water delivery valve well 1, and the maintenance ladders 2 facilitate maintenance staff to reach a maintenance platform 3 so as to maintain and replace a maintenance valve 14 and a working valve 15; the water delivery valve well 1 is internally and fixedly connected with an overhaul platform 3, a water inlet main pipe 4 is arranged on the water delivery valve well 1 in a penetrating manner, an overhaul valve 14 and a working valve 15 are respectively arranged on the water inlet main pipe 4, a vent pipe 16 is communicated with the water inlet main pipe 4, one end of the water inlet main pipe 4 is provided with a horn mouth 41, a positioning cage 5 is welded on the horn mouth 41, a plunger cone valve 6 which is in plug-in fit with the horn mouth 41 is connected in a sliding manner in the positioning cage 5, a flushing valve 7 is in plug-in fit with the plunger cone valve 6, a pull ring 71 is fixedly connected to the flushing valve 7, and a rope is fixedly connected to the pull ring 71;

as a preferred embodiment of the present utility model, the mouth of the vent tube 16 is hinged with a gasket.

In an embodiment of the utility model: a winding mechanism arranged on the water delivery valve well 1 and used for winding ropes; the winding mechanism comprises a reel 11 which is rotationally connected to the water delivery valve well 1, one end of a rope is fixedly connected to the reel 11, a handle 10 is fixedly connected to the reel 11, and the reel 11 is driven to rotate in a following manner through the rotation of the handle 10, so that the rope is wound, the plunger cone valve 6 is separated from the bell mouth 41, and water in a reservoir can flow into the water inlet pipe 4 in a large flow manner.

In another embodiment of the utility model, a motor is fixedly connected to the water delivery valve well 1, the output end of the motor is coaxially and fixedly connected with the scroll 11, and the manual labor of a maintainer can be reduced through motor driving.

Still include locking mechanism 12, locking mechanism 12 is including coaxial fixed connection ratchet 121 on spool 11, fixed connection riser 122 on the water delivery valve well 1, rotate on the riser 122 and be connected with pawl 123, pawl 123 and ratchet 121 joint cooperation is provided with first spring 124 between pawl 123 and the riser 122, fixedly connected with driving lever 125 on the pawl 123, the process of stirring driving lever 125 drives pawl 123 and rotates on riser 122 to extrude first spring 124, make pawl 123 and ratchet 121 break away from the joint state.

The device also comprises a connecting mechanism, wherein the connecting mechanism comprises a first connecting rod 8 which is rotationally connected to the plunger cone valve 6, a second connecting rod 9 is rotationally connected to the first connecting rod 8, and the second connecting rod 9 is rotationally connected with the flushing valve 7; through the connecting mechanism, in the rope winding process, the flushing valve 7 can be moved out of the plunger cone valve 6, and then the plunger cone valve 6 is driven to synchronously rise, so that the plunger cone valve 6 is moved out of the bell mouth 41.

The utility model further comprises a water pump 13, wherein the water pump 13 is arranged on one side of the water inlet main pipe 4 away from the bell mouth 41, and the water pump 13 is used for evacuating water in the water inlet main pipe 4 during maintenance so as to provide a maintenance environment for maintenance work.

Working principle: when the water inlet pipe is used, the side where the horn mouth 41 is positioned is a reservoir, an overhauling staff reaches the overhauling platform 3 from the overhauling ladder 2, at the moment, the sealing gasket at the mouth part of the ventilation pipe 16 is in an open state, so that external air enters the water inlet main pipe 4, the plunger cone valve 6 is in an inserting state with the horn mouth 41, and water in the reservoir is prevented from entering the water inlet main pipe 4 from the horn mouth 41; and then the water pump 13 is started to empty the residual water in the water inlet main pipe 4, provide an environment for maintenance and replace the maintenance valve 14 and the working valve 15.

After the maintenance is finished, the water inlet main pipe 4 is communicated with the outside air through the vent pipe 16, so that the plunger cone valve 6 is prevented from being unable to be opened due to overlarge pressure; the maintainer rotates the handle 10 to drive the reel 11 to wind the rope, the rope lifts the flushing valve 7 to enable the flushing valve 7 to move out of the plunger cone valve 6, at the moment, small water flow enters the plunger cone valve 6 and flows into the water inlet main pipe 4 to be conveyed downstream, and after internal and external water pressures are balanced, the plunger cone valve 6 is continuously lifted to enable water to flow into the water inlet main pipe 4 at a large flow rate; at this time, the sealing gasket at the mouth of the vent pipe 16 is closed, so that partial water is prevented from flowing into the vent pipe 16, and the water delivery efficiency is reduced; short maintenance time, avoiding the situation that the water level is reduced, leading to no water consumption by downstream people and irrigation of farmland sewage.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (4)

1. The integrated water inlet device for the hydraulic engineering is characterized by comprising a water delivery valve well (1), wherein an overhaul platform (3) is fixedly connected in the water delivery valve well (1), a water inlet main pipe (4) is arranged on the water delivery valve well (1) in a penetrating manner, an overhaul valve (14) and a working valve (15) are respectively arranged on the water inlet main pipe (4), a vent pipe (16) is communicated with the water inlet main pipe (4), one end of the water inlet main pipe (4) is provided with a horn mouth (41), a positioning cage (5) is welded on the horn mouth (41), a plunger cone valve (6) matched with the horn mouth (41) in a plugging manner is connected in a sliding manner in the positioning cage (5), a flushing valve (7) is matched in a plugging manner on the plunger cone valve (6), a pull ring (71) is fixedly connected with a rope on the pull ring (71);

and the winding mechanism is arranged on the water delivery valve well (1) and is used for winding the rope.

2. The integrated water inlet device for hydraulic engineering according to claim 1, wherein the winding mechanism comprises a reel (11) rotatably connected to the water delivery valve well (1), one end of a rope is fixedly connected to the reel (11), and a handle (10) is fixedly connected to the reel (11).

3. The integrated water inlet device for hydraulic engineering according to claim 2, further comprising a locking mechanism (12), wherein the locking mechanism (12) comprises a ratchet wheel (121) coaxially and fixedly connected to the reel (11), a riser (122) is fixedly connected to the water delivery valve well (1), a pawl (123) is rotationally connected to the riser (122), the pawl (123) is in clamping fit with the ratchet wheel (121), a first spring (124) is arranged between the pawl (123) and the riser (122), and a deflector rod (125) is fixedly connected to the pawl (123).

4. The integrated water inlet device for hydraulic engineering according to claim 1, further comprising a connecting mechanism, wherein the connecting mechanism comprises a first connecting rod (8) rotatably connected to the plunger cone valve (6), a second connecting rod (9) is rotatably connected to the first connecting rod (8), and the second connecting rod (9) is rotatably connected to the flushing valve (7).