CN221096860U - Double-impeller type diesel engine direct-connection pump - Google Patents

Double-impeller type diesel engine direct-connection pump Download PDF

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Publication number
CN221096860U
CN221096860U CN202323191294.4U CN202323191294U CN221096860U CN 221096860 U CN221096860 U CN 221096860U CN 202323191294 U CN202323191294 U CN 202323191294U CN 221096860 U CN221096860 U CN 221096860U
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China
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pump
diesel engine
impeller
pump body
straight pipe
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CN202323191294.4U
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Chinese (zh)
Inventor
孟文祥
孟令淇
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Henan Shennong Pump Co ltd
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Henan Shennong Pump Co ltd
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Abstract

The direct-connected pump of the double-impeller diesel engine effectively solves the problems of larger equipment volume and weight, low universality and higher cost; the diesel engine comprises a pump body connected with a diesel engine, and is characterized in that one side surface flange of the pump body is connected with a pump cover, the other side surface flange of the pump body is connected with a pump frame, a cavity is formed among the pump cover, the pump frame and the pump body, a combined diesel engine shaft is arranged at the axis of the cavity, one side of the combined diesel engine shaft is provided with a first impeller, and the first impeller is divided into a rotating part and a connecting part; the utility model has smart structure and convenient use, through the arrangement of the first impeller, the combined diesel engine shaft and the guide disc, after liquid enters the pump body, the liquid is pressed by the first impeller, the second impeller and the guide disc in a triple pressure mode, and the effect of improving the pump body lift is realized together under the cooperation of high-efficiency transmission of the combined diesel engine shaft, and when the pump body is ensured to have high-quality lift height, the volume of the whole device is reduced, and the weight of equipment is reduced.

Description

Double-impeller type diesel engine direct-connection pump
Technical Field
The utility model relates to the technical field of spray pumps, in particular to a double-impeller type diesel engine direct-connection pump.
Background
At present, farmland irrigation is strong and strongly-propelled water-saving irrigation, a spray irrigation project which is one of the water-saving projects is rapidly developed in vast rural areas, and a high-lift water pump is required to be matched with the spray irrigation project, but at present, a method for increasing the stage number of a deep well pump is generally adopted to increase the lift because of no high-lift pump special for spray irrigation, and particularly, in the development of the spray irrigation work in partial mountain areas, the function of the spray pump is indispensable.
In China, patent application number: the utility model discloses a three impeller high lift spouts lavage pump of two water conservancy diversion discs in CN219062002U, the structure is including setting up three impeller and three impeller in the pump body two water conservancy diversion discs between, when using, connect the straight tube department of the pump body in the inlet tube, introduce the pump body with the water through the well killing sub-unit with the hand vacuum drainage mode to the surface water, the water gets into the inside of the pump body through the straight tube department of the pump body, on the band pulley is transmitted through power take off, the band pulley drives the axle and rotates in the outside of bearing, thereby make the impeller in the water pump rotate, the water is through three pressurization of three impeller and stator in the pump body, make the pressure of water pump improve, water is spouted from elbow department. The high-lift spray irrigation pump with the double guide plates and the three impellers has the advantages that the overall volume and the weight of the pump body are greatly increased while the water pressure in the pump body is improved, certain limitations exist in use, meanwhile, the production cost is increased, and the belt pulley transmission efficiency is lower.
Disclosure of utility model
Aiming at the situation, the utility model aims to overcome the defects of the prior art and provide the double-impeller type diesel engine direct-coupled pump which effectively solves the problems in the background art.
The diesel engine pump is characterized in that one side surface flange of the pump body is connected with a pump cover, the other side surface flange of the pump body is connected with a pump frame, a cavity is formed among the pump cover, the pump frame and the pump body, a combined diesel engine shaft is arranged at the axis of the cavity, a first impeller is arranged on one side of the combined diesel engine shaft and is divided into a rotating part and a connecting part, a liquid inlet cavity is formed between the pump cover and the pump body, the rotating part is positioned in the liquid inlet cavity, the connecting part is fixed on the combined diesel engine shaft, a pressurizing cavity is formed between one end of the liquid inlet cavity and the inner wall of the pump body, a flow guide disc is arranged in the pressurizing cavity, through holes are formed at the axis of the flow guide disc, the through holes are sleeved on the connecting part, a plurality of flow guide sheets are uniformly distributed on the circumference of the flow guide disc, a flow guide cavity is formed among the flow guide sheets, and a second impeller positioned on the combined diesel engine shaft is arranged on one side of the flow guide disc.
Preferably, one side flange joint of pump cover has the tee bend, tee bend direct current end flange joint has first straight tube, tee bend's switching-over end flange joint has the kill assembly.
Preferably, a second straight pipe is fixed at the top of the pump body, an elbow pipe is fixedly connected to one end of the second straight pipe, and a first loose joint nut is arranged between the second straight pipe and the elbow pipe.
Preferably, a first valve is arranged between the well control assembly and the tee joint, and a second valve is arranged between the second straight pipe and the pump body.
Preferably, a second loose joint nut is arranged between the tee joint and the first straight pipe, and sealing gaskets are respectively arranged between the tee joint and the first straight pipe and between the second straight pipe and the bent pipe.
Preferably, O-shaped rings are respectively arranged between the pump body and the pump cover and between the pump body and the pump frame.
Preferably, a connecting hole is formed in the axis of the pump frame and sleeved on the shaft of the combined diesel engine, and a framework oil seal and a mechanical oil seal are arranged between the connecting hole and the shaft of the combined diesel engine.
Compared with the prior art, the utility model has the beneficial effects that:
Through the setting of first impeller, combination diesel engine shaft and water conservancy diversion dish, liquid is under the triple pressurization of getting into the pump body inside back, under the high efficiency transmission of cooperation combination diesel engine shaft, realize the effect that improves the pump body lift jointly, the water conservancy diversion dish makes the mobility of water better, the internal pressure of reinforcing pump, finally when guaranteeing that it possesses high-quality lift height, reduce the volume of whole device, alleviate equipment weight for the integrality of the pump body is stronger, to the user, has improved the commonality of equipment, to the trade company, manufacturing cost has also reduced.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a schematic view of the structure of the inside of the pump body in the present utility model.
Fig. 3 is an elevation view of a baffle in accordance with the present utility model.
Fig. 4 is a side view of the baffle of the present utility model.
Reference numerals in the schematic drawings illustrate:
10. A pump body; 101. a liquid inlet cavity; 102. a pressurized cavity; 103. a cavity; 11. a pump cover; 12. a pump frame; 13. a combination diesel engine shaft; 131. a framework oil seal; 14. a first union nut; 15. a second straight tube; 16. a second loose-joint nut; 20. a deflector disc; 21. a through hole; 22. a deflector; 30. a first impeller; 31. a second impeller; 40. a sealing gasket; 50. a kill assembly; 60. a first valve; 61. a second valve; 70. a first straight tube; 80. a tee joint; 90. and (3) bending the pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The device is shown in figures 1 to 4, and comprises a pump body 10 connected with a diesel engine, a pump cover 11 is connected with one side flange of the pump body 10, a pump frame 12 is connected with the other side flange of the pump body 10, O-shaped rings are respectively arranged between the pump body 10 and the pump cover 11 and the pump frame 12 and used for guaranteeing the tightness among the pump frame 12, the pump cover 11 and the pump body 10, a cavity 103 is formed among the pump cover 11, the pump frame 12 and the pump body 10 and used for draining liquid, a combined diesel engine shaft 13 is arranged at the axis of the cavity 103, the combined diesel engine shaft 13 is connected with the output end of the diesel engine, compared with the belt transmission mode, the device has the advantages of higher efficiency, smaller volume and smaller failure rate, the device performance is greatly enhanced, a connecting hole is arranged at the axis of the pump frame 12 and sleeved on the combined diesel engine shaft 13, a framework oil seal 131 and a mechanical oil seal are arranged between the connecting hole and the combined diesel engine shaft 13, through the arrangement of the framework oil seal 131 and the mechanical oil seal, a double-layer sealing structure is adopted, the liquid is ensured not to overflow from the pump frame 12, the tightness of the cavity 103 is improved, one side flange of the pump cover 11 is connected with the tee joint 80, the direct current end flange of the tee joint 80 is connected with the first straight pipe 70, the reversing end flange of the tee joint 80 is connected with the well control assembly 50, the first valve 60 is arranged between the well control assembly 50 and the tee joint 80, the well control assembly 50, the tee joint 80, the first straight pipe 70 is connected with the water inlet pipe, the liquid is led into the pump body 10 through the well control assembly 50 in a hand-pressing vacuum discharging mode, the top of the pump body 10 is fixedly provided with the second straight pipe 15, the second valve 61 is arranged between the second straight pipe 15 and the pump body 10, one end of the second straight pipe 15 is fixedly connected with the bent pipe 90, a first loose joint nut 14 is arranged between the second straight pipe 15 and the bent pipe 90 and used for connecting and fixing the second straight pipe 15 and the bent pipe 90, a second loose joint nut 16 is arranged between the tee joint 80 and the first straight pipe 70 and used for connecting and fixing the tee joint 80 and the first straight pipe 70, and sealing gaskets 40 are respectively arranged between the tee joint 80 and the first straight pipe 70 and between the second straight pipe 15 and the bent pipe 90 and used for enhancing the sealing performance of the connecting part;
Further, a first impeller 30 is disposed at one side of the combined diesel engine shaft 13, the first impeller 30 is divided into a rotating part and a connecting part, through the arrangement of the first impeller 30, when the liquid enters the pump body 10 from the first straight pipe 70 and the tee joint 80, the external power drives the combined diesel engine shaft 13 to rotate, so that the first impeller 30 rotates along with the rotating part, and it is noted that the rotating part of the first impeller 30 contacts with one side of the pump cover 11 to form a certain sealing space, so that the arrangement is to facilitate the drainage of the liquid, and meanwhile, the effect of the rear pressurizing cavity 102 is better, a liquid inlet cavity 101 is formed between the pump cover 11 and the pump body 10, the rotating part is located in the liquid inlet cavity 101, the connecting part is fixed on the combined diesel engine shaft 13, a pressurizing cavity 102 is formed between one end of the liquid inlet cavity 101 and the inner wall of the pump body 10, and the pressurizing cavity 102 is arranged through the cavity 103, the liquid inlet cavity 101 and the pressurizing cavity 102, the integration of the pump body structure is stronger, the volume of the pump body and the whole device is more optimized while the internal pressure is ensured, the universality and portability of the device are improved, a guide disc 20 is arranged in a pressurizing cavity 102, a through hole 21 is formed at the axle center of the guide disc 20, the through hole 21 is sleeved on a connecting part, the guide disc 20 is not rotated along with the connecting part in the flowing process of liquid, the edge of the guide disc 20 is fixed on the inner wall of the pump body 10, a plurality of guide sheets 22 are uniformly distributed on the circumference of the guide disc 20 of the first impeller 30, a drainage cavity is formed among the guide sheets 22, a second impeller 31 positioned on a combined diesel engine shaft 13 is arranged on one side of the guide disc 20, the fluidity of water is better, the pressure in the pump body 10 is enhanced, after the liquid enters the inside the pump body 10, the pressure of the guide disc 20 is increased through the first impeller 30, the second impeller 31 and the guide disc 20, the pressure in the pump body 10 is increased and finally gushes out from the bent pipe 90, so that the purpose of the arrangement is to reduce the volume of the whole device and the weight of equipment when ensuring that the pump body has high-quality lift height, the universality of the equipment is improved for users, and the production cost is reduced for merchants.
The utility model is used when:
Firstly, when the hydraulic pump is used, the first straight pipe 70 is connected with the water inlet pipe, the three-way pipe 80 and the first straight pipe 70 form a vacuum environment by manually pressing the well-killing assembly 50, and at the moment, liquid enters the pump body 10 from the first straight pipe 70 and the three-way pipe 80;
then, the combined diesel engine shaft 13 is driven to rotate by external power, at the moment, the first impeller 30 and the second impeller 31 rotate along with each other, and when liquid enters the cavity 103 through the drainage of the first impeller 30, the liquid enters the pressurizing cavity 102 from the drainage cavity;
Secondly, the liquid is pressurized by multiple times through the first impeller 30, the second impeller 31 and the guide disc 20, so that the pressure in the pump body 10 is increased, and the lift of the water pump is increased;
Finally, after the liquid is pressurized, the liquid flows into the second straight pipe 15 from the inside of the pump body 10 through the second valve 61, and finally, the liquid is sprayed out from the bent pipe 90.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a double impeller type diesel engine direct connection pump, includes the pump body (10) of being connected with the diesel engine, its characterized in that, one side flange joint of the pump body (10) has pump cap (11), the other side flange joint of the pump body (10) has pump frame (12), be formed with cavity (103) between pump cap (11), pump frame (12) and the pump body (10), the axle center department of cavity (103) is provided with combination diesel engine axle (13), one side of combination diesel engine axle (13) is provided with first impeller (30), first impeller (30) divide into rotation portion and connecting portion, be formed with feed liquor chamber (101) between pump cap (11) and the pump body (10), rotation portion is located the inside of feed liquor chamber (101), connecting portion are fixed on combination diesel engine axle (13), be formed with pressurization chamber (102) between one end of feed liquor chamber (101) and the inner wall of the pump body (10), be provided with water conservancy diversion dish (20) in the pressurization chamber, water conservancy diversion dish (20) axle center department is provided with first impeller (30), water conservancy diversion dish (21) have been seted up, water conservancy diversion piece (22) are cup jointed on the water conservancy diversion dish (22) on the circumference has a plurality of water conservancy diversion piece (22) on the water conservancy diversion piece, one side of the deflector disc (20) is provided with a second impeller (31) positioned on the combined diesel engine shaft (13).
2. The dual impeller diesel engine direct connection pump according to claim 1, characterized in that one side flange of the pump cover (11) is connected with a tee joint (80), a direct current end flange of the tee joint (80) is connected with a first straight pipe (70), and a reversing end flange of the tee joint (80) is connected with a well control assembly (50).
3. The dual impeller type diesel engine direct connection pump according to claim 2, wherein a second straight pipe (15) is fixed at the top of the pump body (10), one end of the second straight pipe (15) is fixedly connected with an elbow pipe (90), and a first loose joint nut (14) is arranged between the second straight pipe (15) and the elbow pipe (90).
4. A twin vane diesel engine direct connection pump according to claim 3, characterized in that a first valve (60) is arranged between the well control assembly (50) and the tee (80), and a second valve (61) is arranged between the second straight pipe (15) and the pump body (10).
5. A twin vane diesel engine direct connection pump as defined in claim 3, characterized in that a second union nut (16) is arranged between the tee (80) and the first straight pipe (70), and sealing gaskets (40) are respectively arranged between the tee (80) and the first straight pipe (70) and between the second straight pipe (15) and the bent pipe (90).
6. The dual impeller diesel engine direct connection pump according to claim 1, characterized in that O-rings are respectively arranged between the pump body (10) and the pump cover (11) and the pump frame (12).
7. The direct-coupled pump of the double-impeller diesel engine according to claim 1, wherein a connecting hole is formed in the axis of the pump frame (12), the connecting hole is sleeved on the combined diesel engine shaft (13), and a framework oil seal and a mechanical oil seal are arranged between the connecting hole and the combined diesel engine shaft (13).
CN202323191294.4U 2023-11-24 2023-11-24 Double-impeller type diesel engine direct-connection pump Active CN221096860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323191294.4U CN221096860U (en) 2023-11-24 2023-11-24 Double-impeller type diesel engine direct-connection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323191294.4U CN221096860U (en) 2023-11-24 2023-11-24 Double-impeller type diesel engine direct-connection pump

Publications (1)

Publication Number Publication Date
CN221096860U true CN221096860U (en) 2024-06-07

Family

ID=91305041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323191294.4U Active CN221096860U (en) 2023-11-24 2023-11-24 Double-impeller type diesel engine direct-connection pump

Country Status (1)

Country Link
CN (1) CN221096860U (en)

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