CN213512638U

CN213512638U - Water-saving water supply and drainage device for rice

Info

Publication number: CN213512638U
Application number: CN202021649022.8U
Authority: CN
Inventors: 张洁; 林彦宇; 刘东京; 翁晓进; 薛里
Original assignee: Heilongjiang Bayi Agricultural University
Current assignee: Heilongjiang Bayi Agricultural University
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-22
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a water-saving water supply and drainage device for rice, which comprises a water supply and drainage pipeline, a connecting piece main body, a first fixed end, a second fixed end and a cushioning component, wherein the first fixed end and the second fixed end are respectively arranged at the two ends of the connecting piece main body; the hydraulic piston is used at the joint of the water supply and drainage pipeline for buffering and damping, impact on the pipeline caused by a water hammer is eliminated through floating of the piston, a good protection effect is achieved while inconvenience in installation and low economic benefit of the traditional air pressure damper are solved, and the applicability and convenience are remarkably improved.

Description

Water-saving water supply and drainage device for rice

Technical Field

The utility model relates to a field irrigation technical field specifically is a rice water conservation supplies drainage device.

Background

China is the oldest country in the world for planting rice, the existing rice planting area is about 5 hundred million mu, accounts for 30 percent of the sowing area of grain crops, and is the main grain crop in China. Meanwhile, China is a country with quite a shortage of water resources, and the total amount of the water resources is 2.8 hundred million. Only accounts for 5.6 percent of the total amount of water resources in the world, and is one of 13 water-poor countries in the world. Heilongjiang is a big agricultural province and mainly produces grain crops. Generally, the rice planting is carried out by plugging or discharging water by using soil, which wastes water resources and wastes time and labor. With the problem, a plurality of related data are searched and searched, and the agricultural water accounts for 88 percent of the total water consumption of the whole country, while the rice water accounts for about 70 percent of the agricultural water, so that the research on the water-saving irrigation water supply and drainage method and the facility or device thereof of the rice improves the production efficiency of the irrigation water, and has very important significance for ensuring the sustainable utilization of water resources, promoting the sustainable and efficient development of national economy, realizing social stability and progress and the like.

The pipeline that current row water supply installation used for rice is laying and when carrying the water source, and rivers can produce the water hammer phenomenon under inertial drive in the pipeline to weak department for the pipe connection brings the impact and destroys, and the most bulky of corresponding water hammer elimination equipment, the installation difficulty in narrow and small space is not convenient for use in the paddy field, economic benefits and suitability are too low, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rice water conservation supplies drainage device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a water-saving water supply and drainage device for rice comprises a water supply and drainage pipeline, a connecting piece main body, a first fixed end, a second fixed end and a shock absorption assembly for weakening impact of water flow on a pipeline connecting part, wherein the first fixed end and the second fixed end are respectively arranged at two ends of the connecting piece main body;

the bradyseism subassembly is including setting up the hydraulic pressure spare in connecting piece main part top, it is fixed to be connected through the linking piece between hydraulic pressure spare and the connecting piece main part, the second cavity has been seted up in the hydraulic pressure spare, it has fixed spout to correspond between second cavity and the first cavity and seted up in the linking piece, wear to be equipped with in the fixed spout with fixed spout lateral wall sliding fit and its bottom extend the activity traveller in the first cavity, one end connection is fixed with the piston that floats in the linking piece in activity traveller place, the piston card that floats establish in the second cavity and with second cavity inner wall sliding fit, thereby first valves and the second valves that play the bradyseism effect through the hydraulic oil circulation are seted up in proper order to the piston terminal surface both sides that floats, the piston that floats passes through metal spring and is connected fixedly with second cavity inner wall.

Preferably, the supporting component comprises a mounting part which is sleeved on the first fixed end and the second fixed end and is fixedly connected with the end faces of the outer sides of the first fixed end and the second fixed end, a supporting part is arranged below the mounting part, the supporting part and the mounting part are fixedly connected through an adjusting strut with an adjusting effect, the top end of the adjusting strut is fixedly connected with the mounting part through a fastening part, and the other end of the adjusting strut is arranged in the supporting part in a penetrating mode and is in sliding fit with the supporting part.

Preferably, a plurality of groups of mounting holes are sequentially formed in the end face of the adjusting support rod, and the inner end part of the supporting piece where the adjusting support rod is located is connected and matched with a fastening screw which is arranged on one side of the supporting piece and used for adjusting and fixing the adjusting support rod through the mounting holes.

Preferably, the joint cover of hydraulic pressure spare and link spare is equipped with the sealing washer that is used for preventing hydraulic oil in the second cavity body to ooze.

Preferably, the first fixed end and the second fixed end are fixedly connected with the water supply and drainage pipeline through the mounting flange, and the waterproof sealing layer is paved on the contact surface of the mounting flange and the water supply and drainage pipeline.

Preferably, the first valve group comprises a first check valve and a second check valve, the first check valve and the second check valve are respectively arranged on two sides of the end face of the floating piston and are opposite in valve communication direction, the second valve group comprises a third check valve and a fourth check valve, the third check valve is arranged on one side of the one check valve where the end face of the floating piston is located and is opposite in valve communication direction with the first check valve, and the fourth check valve is arranged on one side of the two check valves where the end face of the floating piston is located and is opposite in valve communication direction with the second check valve.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic piston is used at the joint of the water supply and drainage pipeline for buffering and damping, the impact of a water hammer on the pipeline is eliminated through the floating of the piston, the traditional air pressure damper is inconvenient to install and low in economic benefit, a good protection effect is achieved, and the applicability and convenience are obviously improved;

the installed part is used for fixing the pipe connection department on the supporting component, then supports by adjusting rod, install through support piece at last and accomplish in the paddy field basin and lay, the mode that adjusting rod supported can highly adjust the pipeline is laid to improve the adaptability of environment, when the sealing washer is used for guaranteeing that the activity traveller slides in fixed spout, hydraulic oil can not permeate in the first cavity, flange joint's mode is very convenient when pipeline loading and unloading in the piping erection in addition.

Drawings

FIG. 1 is a schematic structural view of a water-saving water supply and drainage device for rice.

FIG. 2 is a schematic structural view of a hydraulic part in a water-saving water supply and drainage device for rice.

FIG. 3 is a schematic structural view of a movable slide column in a water-saving water supply and drainage device for rice.

FIG. 4 is a schematic structural view of a mounting flange in the water-saving water supply and drainage device for rice.

In the figure: 1-a water supply and drainage pipeline, 2-a connecting piece main body, 3-a first fixed end, 4-a second fixed end, 5-a mounting flange, 6-a supporting piece, 7-a mounting piece, 8-a hydraulic piece, 9-a sealing ring, 10-a connecting piece, 11-an adjusting support rod, 12-a first cavity, 13-a fixed chute, 14-a movable sliding column, 15-a second cavity, 16-a metal spring, 17-a floating piston, 18-a first valve bank and 19-a second valve bank.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a water-saving water supply and drainage device for rice includes a water supply and drainage pipeline 1, a connecting member main body 2, a first fixed end 3, a second fixed end 4 and a shock absorption component for weakening impact of water flow on a pipeline joint, the first fixed end 3 and the second fixed end 4 are respectively disposed at two ends of the connecting member main body 2, one ends of the first fixed end 3 and the second fixed end 4, which are far away from the connecting member main body 2, are connected with the water supply and drainage pipeline 1, the first fixed end 3 and the second fixed end 4 are fixedly connected with the water supply and drainage pipeline 1 through a mounting flange 5, and a waterproof sealing layer is laid on a contact surface between; the flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, then a flange pad is added between the two flange plates, and finally the two flange plates are tightened by bolts to be tightly combined to form a detachable joint, so that the connection from the static pipeline to the equipment which rotates or reciprocates can be realized;

the buffering component comprises a hydraulic part 8 arranged above the connecting part main body 2, the hydraulic part 8 and the connecting part main body 2 are fixedly connected through a connecting piece 10, a sealing ring 9 for preventing hydraulic oil in the second cavity 15 from seeping is sleeved at the joint of the hydraulic part 8 and the connecting piece 10, and the sealing ring 9 is used for ensuring that the hydraulic oil cannot seep into the first cavity 12 when the movable sliding column 14 slides in the fixed sliding chute 13; a second cavity 15 is arranged in the hydraulic part 8, a fixed chute 13 is arranged between the second cavity 15 and the first cavity 12 corresponding to the inside of the connecting piece 10, a movable slide post 14 which is in sliding fit with the side wall of the fixed chute 13 and the bottom end of which extends into the first cavity 12 is arranged in the fixed chute 13 in a penetrating way, a floating piston 17 is fixedly connected to one end in the connecting piece 10 where the movable slide post 14 is arranged, the floating piston 17 is clamped in the second cavity 15 and is in sliding fit with the inner wall of the second cavity 15, so that an external valve of the drainage pipeline 1 is started, water flow enters the first cavity 12 from the second fixed end 4 through the drainage pipeline 1, water flow impact waves are generated due to inertia of pressure water flow, the movable slide post 14 in the first cavity 12 is jacked, the movable slide post 14 ascends along the fixed chute 13, and resistance is generated by the obstruction of a hydraulic element in the hydraulic part 8 in the ascending process of the movable slide post, thereby eliminating the impact of the water flow impact wave on the pipe wall;

a first valve group 18 and a second valve group 19 which have a cushioning effect by flowing hydraulic oil are sequentially arranged on two sides of the end surface of the floating piston 17, the floating piston 17 is fixedly connected with the top end of the inner wall of the second cavity 15 through a metal spring 16, and the metal spring 16 has a resetting effect and is used for restoring the floating piston 17 and the movable sliding column 14 to the original position after the water flow shock wave is weakened; the first valve group 18 comprises a first check valve and a second check valve, the first check valve and the second check valve are respectively arranged on two sides of the end surface of the floating piston 17, the valve communication directions are opposite, the second valve group 19 comprises a third check valve and a fourth check valve, the third check valve is arranged on one side of the first check valve where the end surface of the floating piston 17 is located and is opposite to the valve communication direction of the first check valve, and the fourth check valve is arranged on one side of the second check valve where the end surface of the floating piston 17 is located and is opposite to the valve communication direction of the second check valve; hydraulic oil is injected into the second cavity 15, the floating piston 17 rises in the second cavity 15 under the control of the movable sliding column 14, the first check valve in the first valve bank 18 is opened, the hydraulic oil enters the upper end of the floating piston 17 from the lower end of the floating piston 17, and then the second check valve is continuously opened under the pushing of the hydraulic oil, so that a hydraulic loop is generated, as the third check valve and the fourth check valve on the second valve bank 19 are opposite to the valve direction of the first valve bank 18, the first valve bank 18 works when rising, and when the metal spring 16 is reset and falls, the second valve bank 19 works to perform buffering absorption on the floating piston 17 and the movable sliding column 14 through the circulation of the hydraulic oil between valve ports;

a supporting component used for laying and fixing the water supply and drainage pipeline is further arranged below the connecting piece main body 2 and corresponding to the bottom ends of the first fixed end 3 and the second fixed end 4, the supporting component comprises a mounting piece 7 which is sleeved on the first fixed end 3 and the second fixed end 4 and is fixedly connected with the outer side end faces of the first fixed end 3 and the second fixed end 4, a supporting piece 6 is arranged below the mounting piece 7, the supporting piece 6 and the mounting piece 7 are fixedly connected through an adjusting strut 11 with an adjusting effect, the top end of the adjusting strut 11 is fixedly connected with the mounting piece 7 through a fastener, the other end of the adjusting strut 11 is arranged in the supporting piece 6 in a penetrating mode and is in sliding fit with the supporting piece 6, a plurality of groups of mounting holes are sequentially formed in the end face of the adjusting strut 11, and the inner end part of the supporting piece 6 where the adjusting strut 11 is located is; the last installed part 7 of supporting component is used for fixing first stiff end 3 and second stiff end 4, then supports by adjusting strut 11, installs through support piece 6 at last and accomplishes laying in the paddy field basin, can adjust the installation height of water supply and drainage pipe 1 through adjusting strut 11 in laying, improves the adaptability of environment.

The utility model discloses a theory of operation is: when a valve outside the water supply and drainage pipeline 1 is started, water flow enters the first cavity 12 from the second fixed end 4 through the water supply and drainage pipeline 1, water flow shock waves are generated due to the inertia of pressure water flow, so that the movable sliding column 14 in the first cavity 12 is jacked up, the movable sliding column 14 ascends along the fixed sliding groove 13, and the movable sliding column 14 generates resistance under the obstruction of a hydraulic element in the hydraulic element 8 in the ascending process, so that the impact of the water flow shock waves on the pipe wall is eliminated; the pneumatic shock absorber has the advantages that the problem that a traditional pneumatic shock absorber is inconvenient to install and low in economic benefit is solved, meanwhile, a good protection effect is achieved, and the applicability and the convenience are remarkably improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A water-saving water supply and drainage device for rice comprises a water supply and drainage pipeline (1), a connecting piece main body (2), a first fixed end (3), a second fixed end (4) and a shock absorption assembly for weakening impact of water flow on a pipeline joint, and is characterized in that the first fixed end (3) and the second fixed end (4) are respectively arranged at two ends of the connecting piece main body (2), one ends, far away from the connecting piece main body (2), of the first fixed end (3) and the second fixed end (4) are connected with the water supply and drainage pipeline (1), and a supporting assembly for laying and fixing the water supply and drainage pipeline (1) is further arranged at the bottom end of the first fixed end (3) and the second fixed end (4) below the connecting piece main body (2);

the bradyseism subassembly is including setting up hydraulic pressure spare (8) in connecting piece main part (2) top, it is fixed to be connected through linking piece (10) between hydraulic pressure spare (8) and connecting piece main part (2), second cavity (15) have been seted up in hydraulic pressure spare (8), correspond between second cavity (15) and first cavity (12) and set up fixed spout (13) in linking piece (10), wear to be equipped with in fixed spout (13) and fixed spout (13) lateral wall sliding fit and its bottom extend activity traveller (14) in first cavity (12), one end connection is fixed with floating piston (17) in activity traveller (14) place linking piece (10), floating piston (17) card is established in second cavity (15) and with second cavity (15) inner wall sliding fit, thereby floating piston (17) terminal surface both sides are seted up first valves (18) and second valves (19) that play the bradyseism effect through the hydraulic oil circulation in proper order The floating piston (17) is fixedly connected with the top end of the inner wall of the second cavity (15) through a metal spring (16).

2. The rice water-saving water supply and drainage device according to claim 1, wherein the support assembly comprises an installation member (7) which is sleeved on the first fixed end (3) and the second fixed end (4) and is fixedly connected with the outer end faces of the first fixed end (3) and the second fixed end (4), a support member (6) is arranged below the installation member (7), the support member (6) and the installation member (7) are fixedly connected through an adjusting strut (11) with an adjusting effect, the top end of the adjusting strut (11) and the installation member (7) are fixedly connected through a fastener, and the other end of the adjusting strut (11) penetrates through the support member (6) and is in sliding fit with the support member (6).

3. The water-saving water supply and drainage device for rice as claimed in claim 2, wherein the end face of the adjusting support rod (11) is sequentially provided with a plurality of groups of mounting holes, and the inner end part of the supporting member (6) where the adjusting support rod (11) is located is connected and matched with a fastening screw which is arranged on one side of the supporting member (6) and used for adjusting and fixing the adjusting support rod (11) through the mounting holes.

4. The rice water-saving water supply and drainage device according to claim 1, characterized in that a sealing ring (9) for preventing hydraulic oil in the second cavity (15) from seeping out is sleeved at the joint of the hydraulic part (8) and the connecting part (10).

5. The rice water-saving water supply and drainage device according to claim 1, wherein the first fixed end (3) and the second fixed end (4) are fixedly connected with the water supply and drainage pipeline (1) through a mounting flange (5), and a waterproof sealing layer is laid on the contact surface of the mounting flange (5) and the water supply and drainage pipeline (1).

6. The rice water-saving water supply and drainage device according to claim 1, wherein the first valve set (18) comprises a first check valve and a second check valve, the first check valve and the second check valve are respectively arranged on two sides of the end surface of the floating piston (17) and are opposite in valve communication direction, the second valve set (19) comprises a third check valve and a fourth check valve, the third check valve is arranged on one side of the first check valve on the end surface of the floating piston (17) and is opposite in valve communication direction with the first check valve, and the fourth check valve is arranged on one side of the second check valve on the end surface of the floating piston (17) and is opposite in valve communication direction with the second check valve.