阅读说明：本技术 一种电磁离合式自吸离心泵 (Electromagnetic clutch type self-priming centrifugal pump ) 是由 刘青峰 纪斌义 赵小兵 段馨蕊 马明波 严亮 李江江 于 2020-11-02 设计创作，主要内容包括：本发明公开了一种电磁离合式自吸离心泵,包括自吸离心泵和电磁离合式齿轮增速箱；所述自吸离心泵和电磁离合式齿轮增速箱对接后安装于同一壳体内,所述电磁离合式齿轮增速箱包括：输入齿轮、输入轴、输入联轴器、中间轴从动齿轮、主离合器、副离合器、中间轴、离心泵连接盘、输出轴。本发明提供的电磁离合式自吸离心泵具有以下优点：1、可将单一动力传递给两个不同工况的负载工作,操作简单；2、车辆发动机怠速转速下经过离合器齿轮箱输入给自吸离心泵,从而使车辆可在怠速情况下完成动力供给；3、电磁离合装置安装在壳体内,主齿轮箱体与主离合器油腔联通,不仅减小了润滑油腔体积,更增加装置的电磁兼容性和可靠性。(The invention discloses an electromagnetic clutch type self-priming centrifugal pump, which comprises a self-priming centrifugal pump and an electromagnetic clutch type gear speed increasing box, wherein the electromagnetic clutch type gear speed increasing box is arranged on the self-priming centrifugal pump; the self-priming centrifugal pump and the electromagnetic clutch type gear speed increasing box are installed in the same shell after being butted, and the electromagnetic clutch type gear speed increasing box comprises: the input gear, input shaft coupling, jackshaft driven gear, main clutch, vice clutch, jackshaft, centrifugal pump connection pad, output shaft. The electromagnetic clutch type self-priming centrifugal pump provided by the invention has the following advantages: 1. the single power can be transmitted to two loads with different working conditions for working, and the operation is simple; 2. the power is supplied to the self-priming centrifugal pump through the clutch gear box under the idling speed of the vehicle engine, so that the vehicle can finish power supply under the idling condition; 3. the electromagnetic clutch device is arranged in the shell, and the main gear box body is communicated with the main clutch oil cavity, so that the volume of the lubricating oil cavity is reduced, and the electromagnetic compatibility and the reliability of the device are improved.)

1. An electromagnetic clutch type self-priming centrifugal pump is characterized in that:

the electromagnetic clutch type self-priming centrifugal pump comprises a self-priming centrifugal pump (3) and an electromagnetic clutch type gear speed increasing box (2);

the self-priming centrifugal pump (3) and the electromagnetic clutch type gear speed increasing box (2) are installed in the same shell after being butted.

2. The electromagnetic clutch type self-priming centrifugal pump of claim 1, wherein:

the electromagnetic clutch type gear speed increasing box (2) comprises: the clutch comprises an input gear (2-1), an input shaft (2-2), an input coupling (2-3), an intermediate shaft driven gear (2-4), a main clutch (2-5), an auxiliary clutch (2-6), an intermediate shaft (2-7), a centrifugal pump connecting disc (2-8) and an output shaft (2-9);

the electromagnetic clutch type gear speed increasing box (2) receives external power through an input shaft (2-2) and converts the external power into main output power and auxiliary output power, wherein the main output power drives the self-priming centrifugal pump (3) to work, and the auxiliary output power drives a load to work.

3. The electromagnetic clutch type self-priming centrifugal pump of claim 2, wherein:

the electromagnetic clutch type gear speed increasing box (2) receives external power through an input shaft (2-2) and converts the external power into main output power and auxiliary output power, and the electromagnetic clutch type gear speed increasing box specifically comprises the following steps:

the external power is transmitted to the intermediate shaft driven gear (2-4) by the input shaft (2-2) through the input gear (2-1), the intermediate shaft driven gear (2-4) drives the intermediate shaft (2-7) to rotate, the intermediate shaft (2-7) transmits power to the main clutch (2-5) through rotation, and the main clutch (2-5) controls the output shaft (2-9) to output the main output power to the self-priming centrifugal pump (3) through the centrifugal pump connecting disc (2-8) so as to drive the self-priming centrifugal pump (3) to work;

the auxiliary output power is output by the input shaft (2-2) through the auxiliary clutch (2-6).

4. The electromagnetic clutch type self-priming centrifugal pump of claim 3, wherein:

the intermediate shaft driven gear (2-4) is a speed increasing gear.

5. The electromagnetic clutch type self-priming centrifugal pump of any one of claims 1 to 4, wherein:

the main clutch (2-5) and the auxiliary clutch (2-6) are wet multi-disc friction type electromagnetic clutches.

6. The electromagnetic clutch type self-priming centrifugal pump of claim 5, wherein:

the secondary output power drives an external load to work, and the external load comprises but is not limited to a hydraulic pump.

Technical Field

The invention relates to the field of oil material transmission equipment, in particular to an electromagnetic clutch type self-priming centrifugal pump.

Background

The self-suction centrifugal pump is widely applied to oil equipment vehicles as a power device, a common centrifugal pump is generally in a single-stage output mode that a vehicle chassis power takeoff is connected with a transmission shaft to directly drive a centrifugal pump speed increasing mechanism, other devices are often added to other loads (such as a hydraulic pump) of the vehicle, part of electromagnetic control devices are exposed, and the overall performance is complex in structure, poor in electromagnetic compatibility, inconvenient to operate, high in failure rate and relatively high in cost.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an electromagnetic clutch type self-priming centrifugal pump, which comprises a self-priming centrifugal pump 3 and an electromagnetic clutch type gear speed increasing box 2;

and the self-priming centrifugal pump 3 and the electromagnetic clutch type gear speed increasing box 2 are installed in the same shell after being butted.

Further, the electromagnetic clutch type gear speed increasing box 2 includes: the clutch comprises an input gear 2-1, an input shaft 2-2, an input coupler 2-3, an intermediate shaft driven gear 2-4, a main clutch 2-5, an auxiliary clutch 2-6, an intermediate shaft 2-7, a centrifugal pump connecting disc 2-8 and an output shaft 2-9;

the electromagnetic clutch type gear speed increasing box 2 receives external power through an input shaft 2-2 and converts the external power into main output power and auxiliary output power, wherein the main output power drives the self-priming centrifugal pump 3 to work, and the auxiliary output power drives a load to work.

Further, the electromagnetic clutch type gear speed increasing box 2 receives external power through an input shaft 2-2 and converts the external power into main output power and auxiliary output power, and the electromagnetic clutch type gear speed increasing box specifically comprises the following steps:

the external power is transmitted to the intermediate shaft driven gear 2-4 by the input shaft 2-2 through the input gear 2-1, the intermediate shaft driven gear 2-4 drives the intermediate shaft 2-7 to rotate, the intermediate shaft 2-7 transmits power to the main clutch 2-5 through rotation, and the main clutch 2-5 controls the output shaft 2-9 to output the main output power to the self-priming centrifugal pump 3 through the centrifugal pump connecting disc 2-8 to drive the self-priming centrifugal pump 3 to work;

the auxiliary output power is output by the input shaft 2-2 through the auxiliary clutch 2-6.

Further, the intermediate shaft driven gear 2-4 is a speed increasing gear.

Further, the main clutch 2-5 and the auxiliary clutch 2-6 are wet multi-plate friction type electromagnetic clutches.

Further, the auxiliary output power drives an external load to work, and the external load comprises but is not limited to a hydraulic pump.

The electromagnetic clutch type self-priming centrifugal pump provided by the invention has the following advantages:

1. the electromagnetic clutch type gear box can realize multi-power output and load working state control, and when the driving source continuously works, the load can work as required by controlling the opening and closing of the electromagnetic clutch according to actual working requirements. The single power can be transmitted to the loads with two different working conditions for working, the two loads are mutually independent and do not interfere with each other, and the working condition of the whole gear box can be adjusted only by controlling the electromagnetic clutch, so that the operation is simple.

2. After the speed of the engine is increased by two stages through the clutch gear box under the idling speed, the engine is input to the self-priming centrifugal pump, so that the vehicle can complete power supply under the idling condition.

3. Compared with other clutch-controlled self-priming centrifugal pumps, the overall structure has the advantages that the electromagnetic clutch device is arranged in the shell, the main gear box body is communicated with the main clutch oil cavity, the size of the lubricating oil cavity is reduced, and the electromagnetic compatibility and the reliability of the device are improved.

Drawings

FIG. 1 is a structural diagram of an electromagnetic clutch type self-priming centrifugal pump of the present invention;

FIG. 2 is a structural view of an electromagnetic clutch type gear speed increasing box of the present invention;

FIG. 3 is a schematic diagram of the electromagnetic clutch type self-priming centrifugal pump of the present invention;

FIG. 4 is a schematic diagram of the electromagnetic clutch type self-priming centrifugal pump of the present invention;

in fig. 1, each is labeled:

1, an input coupler, 2, an electromagnetic clutch type gear speed increasing box and 3, a self-suction centrifugal pump;

in fig. 2, each is labeled:

2-1 input gear, 2-2 input shaft, 2-3 input coupling, 2-4 intermediate shaft driven gear, 2-5 main clutch, 2-6 auxiliary clutch, 2-7 intermediate shaft, 2-8 centrifugal pump connecting disc and 2-9 output shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The electromagnetic clutch type self-priming centrifugal pump device is a horizontal/single-stage cantilever type centrifugal pump, the overall structure is shown in figure 1, the device mainly comprises a self-priming centrifugal pump and an electromagnetic clutch type gear speed increasing box, two output ports are provided, a vehicle chassis provides power, the speed is increased through a clutch type gear box, a main clutch drives the centrifugal pump, an auxiliary clutch drives a hydraulic pump, load operation is completed, and the device is mainly used for oil transportation operation of light fuel vehicles.

The embodiment specifically comprises a self-priming centrifugal pump 3 and an electromagnetic clutch type gear speed increasing box 2;

and the self-priming centrifugal pump 3 and the electromagnetic clutch type gear speed increasing box 2 are installed in the same shell after being butted.

Further, the electromagnetic clutch type gear speed increasing box 2 includes: the clutch comprises an input gear 2-1, an input shaft 2-2, an input coupler 2-3, an intermediate shaft driven gear 2-4, a main clutch 2-5, an auxiliary clutch 2-6, an intermediate shaft 2-7, a centrifugal pump connecting disc 2-8 and an output shaft 2-9;

the electromagnetic clutch type gear speed increasing box 2 receives external power through an input shaft 2-2 and converts the external power into main output power and auxiliary output power, wherein the main output power drives the self-priming centrifugal pump 3 to work, and the auxiliary output power drives a load to work.

Further, the electromagnetic clutch type gear speed increasing box 2 receives external power through an input shaft 2-2 and converts the external power into main output power and auxiliary output power, and the electromagnetic clutch type gear speed increasing box specifically comprises the following steps:

the external power is transmitted to the intermediate shaft driven gear 2-4 by the input shaft 2-2 through the input gear 2-1, the intermediate shaft driven gear 2-4 drives the intermediate shaft 2-7 to rotate, the intermediate shaft 2-7 transmits power to the main clutch 2-5 through rotation, and the main clutch 2-5 controls the output shaft 2-9 to output the main output power to the self-priming centrifugal pump 3 through the centrifugal pump connecting disc 2-8 to drive the self-priming centrifugal pump 3 to work;

the auxiliary output power is output by the input shaft 2-2 through the auxiliary clutch 2-6.

The electromagnetic clutch type gear speed increasing box comprises a gear box mechanism, a main clutch, an auxiliary clutch, a transmission gear, connecting parts of the transmission gear and the connecting parts and the like, and as shown in figure 2, the working principle is as follows:

an input shaft of a gear speed increasing box of the electromagnetic clutch is connected with a power takeoff of a vehicle chassis, input power is decomposed into two parts through the input shaft, and one part of the input power is transmitted to a gear pump butt joint disc through an auxiliary clutch at one end of the input shaft to drive an external load hydraulic pump to work; the other part is transmitted to a middle driven gear of a middle shaft through the speed increase of an input gear of the input shaft, the middle driven gear drives the middle shaft to rotate, the middle shaft transmits power to a main clutch, the main clutch is connected with a main clutch transmission disc and a middle driving gear transmission disc, the power is transmitted to the middle driven gear through the middle driven gear, the middle driven gear is accelerated again to transmit the power to an output shaft, and the output shaft transmits the power to the self-priming centrifugal pump.

The electromagnetic clutch type gear box transmits the output rotating speed of a vehicle chassis to the self-priming centrifugal pump after being accelerated, so that the self-priming centrifugal pump can normally work at the rated rotating speed of a chassis engine, the clutch type gear box is internally provided with a wet multi-disc friction type electromagnetic clutch, the self-priming centrifugal pump and a gear oil pump are controlled to run and stop through the wet multi-disc friction type electromagnetic clutch, single-input and double-output control is realized, the transmission of two powers is respectively controlled by the clutch, the two powers can work simultaneously and can be used independently, the electromagnetic clutch can complete meshing or separation in the state that an input shaft runs at a high speed, the control is free, and the operation is.

Electromagnetic clutch type gear box

The clutch type gear box mainly comprises parts such as a gear, a clutch, a rotating shaft, a bearing and the like, the input rotating speed of a chassis of the oiling vehicle is transmitted to the self-priming centrifugal pump and the gear oil pump, the working states of the self-priming centrifugal pump and the gear oil pump are controlled by an electromagnetic clutch of the self-priming centrifugal pump and the gear oil pump, and the actuation and the separation can be completed in high-speed operation, so that the two-stage output control of single power take-off input is realized; after the speed of the engine is increased by two stages through the clutch gear box under the idling speed, the engine is input to the self-priming centrifugal pump, so that the vehicle can complete power supply under the idling condition. The innovation points are as follows: the electromagnetic clutch device is arranged in the shell, and the main gear box body is communicated with the main clutch oil cavity, so that the volume of the lubricating oil cavity is reduced, and the electromagnetic compatibility and the reliability of the device are improved.

Compared with the traditional transmission gear box, the electromagnetic clutch type gear box has the following main functions:

driving control: the control core of the electromagnetic clutch type gear box is two wet multi-disc electromagnetic clutches which can respectively control two working loads of the gear pump and the self-priming centrifugal pump, the two electromagnetic clutches are mutually independent, and the working state of each load can be controlled according to actual needs. Moreover, the control can be carried out in the dynamic operation of the system, the control response speed is very high, the working state of the working load can be changed at any time in the face of emergency, and the control is simple and the response is fast. The design can make the electromagnetic clutch formula centrifugal pump realize unipolar power input, biax power take off to installation space and the installation degree of difficulty have been saved.

Secondly, overall arrangement: the electromagnetic clutch type gear box adopts a three-shaft speed-increasing transmission structure, the traditional installation mode is overturned by a clutch, a cantilever is installed outside a main box body of the gear box, power is transmitted to a shaft end clutch from a middle input gear of a shaft and then transmitted to a middle output gear of the shaft after being controlled and transmitted by the clutch, and the electromagnetic clutch type gear box can be overhauled and replaced under the condition that the main box body of the gear box is not detached. And the main clutch has larger space size and more required lubricating oil, the main gear box body is communicated with the oil cavity of the main clutch, and hydraulic lubricating oil which is simultaneously suitable for the clutch and the gear is selected, so that the volume of the oil cavity of the main clutch is greatly reduced.

③ the electromagnetic clutch oil chamber of the middle shaft: the electromagnetic clutch of the intermediate shaft of the electromagnetic clutch type gear box adopts oil bath splash lubrication cooling, the volume of lubricating oil is about 4-5 times of the volume of the clutch, in order to reduce the volume of the oil cavity of the clutch, the oil cavity of the main clutch with larger volume is communicated with the main gear box body, and then the main clutch can share the same lubricating oil cooling with the gear, thereby not only reducing the adding amount of the lubricating oil of the whole system, but also enabling the lubricating oil to circulate in the two cavities, and enabling the lubricating oil to cool and dissipate heat more quickly.

Further, the counter driven gear 2-4 may be a speed increasing gear.

Further, the main clutch 2-5 and the auxiliary clutch 2-6 are wet multi-plate friction type electromagnetic clutches.

Further, the auxiliary output power drives an external load to work, and the external load comprises but is not limited to a hydraulic pump.

The self-priming centrifugal pump in the embodiment has the characteristics of self-priming, cavitation resistance, high performance and the like, and conveying media are accelerated and pressurized through the self-priming centrifugal pump and then output and transmitted to other downstream equipment. It is suitable for conveying light oil and other liquid and may be used as fixed or movable sucking device. The self-priming centrifugal pump is a horizontal self-priming single-stage cantilever type centrifugal pump, and the wet touching parts are made of aluminum alloy, stainless steel and non-metallic materials, so that the self-priming centrifugal pump is light in weight, free of pollution and convenient to maintain. The impeller mainly comprises a shell, an impeller, a sealing ring, a mechanical seal, an inlet pipe and other parts.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive faculty, based on the technical solutions of the present invention.