WO2015100840A1 - 一种灌溉使用的抽水机 - Google Patents

一种灌溉使用的抽水机 Download PDF

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Publication number
WO2015100840A1
WO2015100840A1 PCT/CN2014/071947 CN2014071947W WO2015100840A1 WO 2015100840 A1 WO2015100840 A1 WO 2015100840A1 CN 2014071947 W CN2014071947 W CN 2014071947W WO 2015100840 A1 WO2015100840 A1 WO 2015100840A1
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Prior art keywords
water
impeller
piston
motor
water pump
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PCT/CN2014/071947
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English (en)
French (fr)
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Publication of WO2015100840A1 publication Critical patent/WO2015100840A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • F04B23/106—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type being an axial piston pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/14—Combinations of two or more pumps the pumps being of different types at least one pump being of the non-positive-displacement type

Definitions

  • the utility model relates to the technical field of pumping equipment, in particular to a water pump for irrigation use.
  • the pump is also known as the "pump".
  • Centrifugal pumps are hydraulic machines that use atmospheric pressure to raise water from a low point to a high point. It consists of a water pump, a power machine and a transmission. It is widely used in farmland irrigation, drainage, and water supply and drainage in industrial and mining enterprises and towns. There are many types to suit different needs.
  • Common pumps are piston, centrifugal and axial.
  • the plug pump is using atmospheric pressure, such as a common water press.
  • the centrifugal pump is driven by the impeller to drive the water to obtain centrifugal force, and the water is raised to a high position, but the height of the suction port of the centrifugal pump is still restricted by atmospheric pressure.
  • An axial flow pump similar to the principle of an electric fan, rotates the blade to push the water toward the rear of the pump shaft.
  • the axial flow pump has a large flow rate, but the lift height (head) is not large.
  • a water pump for irrigation comprising a casing, a motor and an impeller, wherein the casing is provided with an inlet pipe and an outlet pipe, and the impeller is installed inside the casing and located at the inlet pipe and the outlet.
  • the motor drives the impeller to rotate, and further comprises a piston, a fixed pulley and a flexible transmission member.
  • the piston is slidably sealed in the outlet pipe, one end of the flexible transmission member is connected with the piston, and the flexible transmission member bypasses the fixed pulley and the other end thereof Connected to the rotor of the motor.
  • the upper part of the water outlet pipe is provided with a water outlet, and the outer side of the water outlet is connected with a water pipe.
  • the distance between the upper end of the water outlet and the upper end surface of the water outlet pipe is greater than or equal to the twist of the piston.
  • the motor is provided with two coaxially rotating rotors, specifically a first rotor and a second rotor, the first rotor is drivingly connected with the impeller, and the second rotor is connected with the flexible transmission member.
  • the flexible transmission member is wound around the rotor of the motor.
  • the flexible transmission member is a transmission belt.
  • the flexible transmission member is a flexible rope.
  • the inlet pipe is equipped with an inlet valve.
  • the utility model relates to a water pump for irrigation, which comprises a casing, a motor and an impeller.
  • the casing is provided with an inlet pipe and an outlet pipe.
  • the impeller is installed inside the casing and is located between the inlet pipe and the outlet pipe, and the motor drives the impeller to rotate, and includes
  • the piston, the fixed pulley and the flexible transmission member are slidably sealed in the outlet pipe, one end of the flexible transmission member is connected to the piston, the flexible transmission member is wound around the fixed pulley and the other end thereof is connected to the rotor of the motor.
  • the utility model not only utilizes the rotation of the impeller to transport the water to the rear of the water shaft, but also uses the motor to drive the piston to move upward when the impeller is rotated. Under the action of the external atmospheric pressure, the water surges from the inlet pipe, effectively increasing
  • the lift pump of the utility model has the advantages of simple structure, large flow rate and large lift.
  • FIG. 1 is a schematic view showing the construction of an embodiment of a water pump for irrigation according to the present invention.
  • Figure 1 Included in Figure 1 are: 1 casing, 2 impellers, 3 inlet pipes, 4 outlet pipes, 5 pistons, 6 flexible transmission parts, 7 fixed pulleys, 8 flow pipes.
  • a water pump for irrigation according to this embodiment includes a casing 1, a motor (not shown), and an impeller 2, and the casing 1 is provided with an inlet pipe 3 and an outlet pipe 4, and the impeller 2 is installed.
  • the motor drives the impeller 2 to rotate, and further includes a piston 5, a fixed pulley 7 and a flexible transmission member 6.
  • the flexible transmission member 6 of the present embodiment is a transmission belt.
  • the piston 5 is slidably sealed in the outlet pipe 4, and one end of the transmission belt is connected to the piston 5, and the transmission belt is wound around the fixed pulley 7 and the other end thereof is connected to the rotor of the motor.
  • the upper part of the outlet pipe 4 is provided with a water outlet, the outside of the water outlet is connected with a water pipe 8, and the inlet pipe 3 is provided with an inlet valve (not shown).
  • the distance between the upper end of the water blowing port and the upper end surface of the water outlet pipe 4 is greater than or equal to the height of the piston 5.
  • the motor drives the impeller 2 to rotate to push the water toward the rear of the water pump shaft.
  • the transmission belt drives the piston 5 of the inlet pipe 3 to move up under the rotation of the motor rotor.
  • the inlet valve is closed and the exhaust valve is opened.
  • the exhaust valve is closed, and the inlet valve is opened. Under the action of the external atmospheric pressure, water enters from the inlet pipe 3 through the inlet valve and flows out from the outlet of the upper portion of the outlet pipe 4.
  • the water pump of the present embodiment differs from the first embodiment in that: in this embodiment, the motor is provided with two coaxially rotating rotors, specifically a first rotor and a second rotor, and the first rotor and The impeller 2 is drivingly coupled and the second rotor is coupled to the flexible transmission member 6. And flexible transmission member 6 Winding around the second rotor of the motor.
  • a water pump for irrigation according to the present embodiment is different from Embodiment 1 in that the flexible transmission member 6 of the present embodiment is a flexible rope.
  • the structure and principle which are not explained in the embodiment are explained in the first embodiment. It should be noted that the above embodiments are only for explaining the technical solutions of the present invention and are not intended to limit the scope of the present invention.
  • the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should It is to be understood that the technical solutions of the present invention may be modified or equivalently substituted without departing from the spirit and scope of the technical solutions of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

一种灌溉使用的抽水机，包括机壳（1）、电机、叶轮（2），机壳（1）设有进水管（3）及出水管（4），叶轮（2）装设于机壳（1）内部且位于进水管（3）和出水管（4）之间，电机驱动叶轮（2）转动，还包括活塞（5）、定滑轮（7）及柔性传动件（6），活塞（5）可滑动地密封设于出水管（4）内，柔性传动件（6）的一端与活塞（5）连接，柔性传动件（6）绕过定滑轮（7）且其另一端与电机转子连接。既利用了叶轮（2）转动将水运至水轴后方，同时在驱动叶轮（2）转动时利用电机带动活塞（5）上移，外界大气压的作用下，水从进水管（3）上涌，有效增加扬程。

Description

一种灌溉使用的抽水机
技术领域
本实用新型涉及抽水设备技术领域， 特别是涉及一种灌溉使用的抽 水机。
背景技术
抽水机又名 "水泵" 。 离心式水泵是利用大气压的作用， 将水从低 处提升至高处的水力机械。 它由水泵、 动力机械与传动装置组成。 它广 泛应用于农田灌溉、 排水以及工矿企业与城镇的给水、 排水。 为适应不 同需要， 而有多种类型。 常见的抽水机有活塞式、 离心式和轴流式。 活 塞式抽水机是利用大气压力， 如常见的压水机。 离心式抽水机， 是利用 叶轮转动， 带动水获得离心力， 水就提升到高处， 但是在离心泵的吸入 口的高度， 还是受到大气压力的制约。 轴流式水泵， 和电风扇的原理类 似， 旋转的浆叶， 把水推向水泵轴方向的后方。 轴流式水泵流量大， 但 是提升高度 （扬程） 不大。
因此， 针对现有技术中的存在问题， 亟需提供一种流量大、 扬程大的 抽水机技术显得尤为重要。
实用新型内容
本实用新型的目的在于避免现有技术中的不足之处而提供结构简 单、 流量大且扬程大的灌溉使用的抽水机。
本实用新型的目的通过以下技术方案实现： 一种灌溉使用的抽水机， 包括机壳、 电机、 叶轮， 机壳设有进水管及 出水管， 叶轮装设于机壳的内部且位于进水管与出水管之间， 电机驱动叶 轮转动， 还包括活塞、 定滑轮及柔性传动件， 活塞可滑动地密封设于出水 管内， 柔性传动件的一端与活塞连接， 柔性传动件绕过定滑轮且其另一端 与电机的转子连接。 其中， 出水管的上部设有出水口， 出水口的外侧接有流水管。 其中， 吹水口的上端点与出水管的上端面的距离大于或者等于活塞的 咼度。
其中， 电机设有两个同轴转动的转子， 具体为第一转子与第二转子， 第一转子与叶轮驱动连接， 第二转子与柔性传动件连接。 其中， 柔性传动件绕设于电机的转子。 其中， 柔性传动件为传动皮带。
其中， 柔性传动件为柔性绳索。
其中， 进水管装设有进水阀。
本实用新型的有益效果：
一种灌溉使用的抽水机， 包括机壳、 电机、 叶轮， 机壳设有进水管及 出水管， 叶轮装设于机壳的内部且位于进水管与出水管之间， 电机驱动叶 轮转动， 还包括活塞、 定滑轮及柔性传动件， 活塞可滑动地密封设于出水 管内， 柔性传动件的一端与活塞连接， 柔性传动件绕过定滑轮且其另一端 与电机的转子连接。 与现有技术相比， 本实用新型既利用了叶轮转动将水 运至水轴后方， 同时在驱动叶轮转动时利用电机带动活塞上移， 外界大气 压的作用下， 水从进水管上涌， 有效增加了扬程， 本实用新型的灌溉使用 的抽水机不仅结构简单、 而且具有流量大、 扬程大等优点。
附图说明
利用附图对本实用新型做进一步说明， 但附图中的内容不构成对本 实用新型的任何限制。
图 1是本实用新型的一种灌溉使用的抽水机的一个实施例的结构示 意图。
在图 1中包括有： 1机壳、 2叶轮、 3进水管、 4出水管、 5活塞、 6柔性传动件、 7定 滑轮、 8流水管。
具体实施方式
结合以下实施例对本实用新型作进一步说明。
实施例 1
本实施例的一种灌溉使用的抽水机， 如图 1所示， 包括机壳 1、 电机 (图中未显示） 、 叶轮 2， 机壳 1设有进水管 3及出水管 4， 叶轮 2装设于 机壳 1的内部且位于进水管 3与出水管 4之间， 电机驱动叶轮 2转动， 还 包括活塞 5、 定滑轮 7及柔性传动件 6， 本实施例的柔性传动件 6为传动皮 带。 活塞 5可滑动地密封设于出水管 4内， 传动皮带的一端与活塞 5连接， 传动皮带绕过定滑轮 7且其另一端与电机的转子连接。
其中，出水管 4的上部设有出水口，出水口的外侧接有流水管 8，并且， 进水管 3装设有进水阀 （图中未显示） 。
在本实施例中， 吹水口的上端点与出水管 4 的上端面的距离大于或者 等于活塞 5的高度。
本实用新型的工作过程及原理如下：
电机驱动叶轮 2转动把水推向水泵轴方向的后方， 同时， 传动皮带 在电机转子的转动下带动进水管 3的活塞 5上移， 活塞 5压下时， 进水 阀门关闭而排气阀门打开； 当活塞 5提上时， 排气阀门关闭， 进水阀门 打开， 在外界大气压的作用下， 水从进水管 3通过进水阀进入并从出水 管 4上部的出水口流出。
实施例 2
本实施例的一种灌溉使用的抽水机与实施例 1的不同之处在于： 本实 施例中， 电机设有两个同轴转动的转子， 具体为第一转子与第二转子， 第 一转子与叶轮 2驱动连接， 第二转子与柔性传动件 6连接。且柔性传动件 6 绕设于电机的第二转子。
本实施例未做解释的结构及原理采取实施例 1中的解释。
实施例 3
本实施例的一种灌溉使用的抽水机与实施例 1的不同之处在于： 本实 施例的柔性传动件 6为柔性绳索。 本实施例未做解释的结构及原理采取实 施例 1中的解释。 最后应当说明的是， 以上实施例仅用于说明本实用新型的技术方案而非 对本实用新型保护范围的限制， 尽管参照较佳实施例对本实用新型作了 详细说明， 本领域的普通技术人员应当理解， 可以对本实用新型的技术 方案进行修改或者等同替换， 而不脱离本实用新型技术方案的实质和范 围。

Claims

WO 2015/100840 权 利 要 求 书 PCT/CN2014/071947
1. 一种灌溉使用的抽水机， 包括机壳、 电机、 叶轮， 所述机壳设有进水管 及出水管， 所述叶轮装设于所述机壳的内部且位于所述进水管与所述出 水管之间， 所述电机驱动所述叶轮转动， 其特征在于： 还包括活塞、 定 滑轮及柔性传动件， 所述活塞可滑动地密封设于所述出水管内， 所述柔 性传动件的一端与所述活塞连接， 所述柔性传动件绕过所述定滑轮且其 另一端与所述电机的转子连接。
2. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述出水 管的上部设有出水口， 所述出水口的外侧接有流水管。
3. 根据权利要求 2所述的一种灌溉使用的抽水机， 其特征在于： 所述吹水 口的上端点与所述出水管的上端面的距离大于或者等于所述活塞的高 度。
4. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述电机 设有两个同轴转动的转子， 具体为第一转子与第二转子， 所述第一转子 与所述叶轮驱动连接， 所述第二转子与所述柔性传动件连接。
5. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述柔性 传动件绕设于所述电机的转子。
6. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述柔性 传动件为传动皮带。
7. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述柔性 传动件为柔性绳索。
8. 根据权利要求 1所述的一种灌溉使用的抽水机， 其特征在于： 所述进水 管装设有进水阀。
PCT/CN2014/071947 2014-01-03 2014-02-11 一种灌溉使用的抽水机 WO2015100840A1 (zh)

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CN201420002525.4 2014-01-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108200856A (zh) * 2017-11-21 2018-06-26 黎仲炜 一种新型节水农业灌溉设备
CN114342781A (zh) * 2022-01-05 2022-04-15 江苏华源节水股份有限公司 一种园林灌溉用喷灌装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111706506A (zh) * 2020-06-18 2020-09-25 潍坊工程职业学院 一种气压式液体输送机构用气压从动液体流动装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
GB1518213A (en) * 1975-07-09 1978-07-19 Prunet J Pump
FR2454542A2 (fr) * 1979-04-17 1980-11-14 Prunet Achille Pompe a piston a deplacement rectiligne pour liquides charges en matieres solides
US6021761A (en) * 1998-01-16 2000-02-08 Robert Bosch Gmbh High-pressure pump for fuel delivery in fuel injection systems of internal combustion engines
CN202926653U (zh) * 2012-09-30 2013-05-08 赵同成 组合式抽水装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518213A (en) * 1975-07-09 1978-07-19 Prunet J Pump
FR2454542A2 (fr) * 1979-04-17 1980-11-14 Prunet Achille Pompe a piston a deplacement rectiligne pour liquides charges en matieres solides
US6021761A (en) * 1998-01-16 2000-02-08 Robert Bosch Gmbh High-pressure pump for fuel delivery in fuel injection systems of internal combustion engines
CN202926653U (zh) * 2012-09-30 2013-05-08 赵同成 组合式抽水装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108200856A (zh) * 2017-11-21 2018-06-26 黎仲炜 一种新型节水农业灌溉设备
CN114342781A (zh) * 2022-01-05 2022-04-15 江苏华源节水股份有限公司 一种园林灌溉用喷灌装置
CN114342781B (zh) * 2022-01-05 2022-09-30 江苏华源节水股份有限公司 一种园林灌溉用喷灌装置

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