CN201836147U - Machine integrating gear pump and gear motor - Google Patents
Machine integrating gear pump and gear motor Download PDFInfo
- Publication number
- CN201836147U CN201836147U CN2010205707868U CN201020570786U CN201836147U CN 201836147 U CN201836147 U CN 201836147U CN 2010205707868 U CN2010205707868 U CN 2010205707868U CN 201020570786 U CN201020570786 U CN 201020570786U CN 201836147 U CN201836147 U CN 201836147U
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- Prior art keywords
- gear
- pump
- motor
- gear shaft
- shaft
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- Expired - Fee Related
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Abstract
The utility model discloses a machine integrating a gear pump and a gear motor. A second gear shaft (10), a fourth gear shaft (18), a pump cylinder block (7), a pump end cover (8) and a middle housing (5) constitute a gear pump (28); a first gear shaft (1), a third gear shaft (16), a motor cylinder block (4), a motor end cover (3) and a middle housing (5) constitute a gear motor (29); a safety valve (6) is installed on the middle housing (5); pressure oil generated on the gear pump (28) flows to a liquid inlet cavity of a gear motor (29) through a pressure oil opening (23) on the middle housing (5), to push the first gear shaft (1) and the third gear shaft (16) of the gear motor to rotate. Since the gear pump, the gear motor and the safety valve are integrated in the utility model, the machine integrating the gear pump and the gear motor is formed. The machine has the advantages of simple structure, light weight, convenience in installation and inexpensive price, and can be widely applied to construction machinery, plastic injection molding machinery, agricultural machinery and oilfield machinery.
Description
Technical field
The present invention relates to a kind of gear pump gear motor integrated machine, be applicable to mineral oil, emulsified liquid or water to be the system of working medium, have characteristics simple in structure, that price is low, belong to the Fluid Transmission and Control field.
Background technique
In the Fluid Transmission and Control technology, gear pump has that volume is little, in light weight, simple in structure, good manufacturability,, advantage such as suction capacity strong, selflubricating ability good insensitive to the pollution of fluid, is widely used in industries such as oil, chemical industry, boats and ships, electric power, grain and oil, food, medical treatment, building materials, metallurgy and national defence scientific research; Simple in structure, good manufacturability that gear motor has, advantage such as insensitive, shock-resistant and inertia is little to the pollution of fluid is widely used in the hydraulic system in the equipment such as lathe, automobile, building machinery, injection machine and oilfield machinery.But owing to gear pump, gear motor are respectively two independently Hydraulic power units and hydraulic actuators, they need be with other hydraulic element---control valve and oil pipe etc. comes together to constitute hydraulic system.
Summary of the invention
In order to overcome above deficiency, the object of the present invention is to provide a kind of hydraulic system that gear pump, gear motor and safety valve are become one, because gear pump, gear motor and safety valve are integrated into one, for user's installation and use brought convenience.
This research and design a kind of gear pump gear motor integrated machine, a kind of hydraulic system that gear pump, gear motor and safety valve are integrated has been proposed, except general advantage with full depth tooth wheel pump, gear motor, it has simple in structure, in light weight, easy for installation, advantages of cheap price can be widely used in building machinery, injection machine, farm machinery and oilfield machinery.
The technological scheme that the present invention solves its technical problem employing is:
This integrated machine is made up of first gear shaft (1), motor end cap (3), motor cylinder (4), middle casing (5), safety valve (6), pump cylinder (7), pump end cap (8), bolt assembly (9), second gear shaft (10), bearing (12,13,14,15,19,20,24,25), the 3rd gear shaft (16), the 4th gear shaft (18), seal ring (21,22,26,27,31,32).
The gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is a master gear, or the normal shift gear; Gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) are identical with the structural parameter of the gear of the 4th gear shaft (18); The material of motor end cap (3) and pump end cap (8) is a cast steel; The material of motor cylinder (4), middle casing (5) and pump cylinder (7) is aluminum alloy or stainless steel; The gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is a spur gear, or helical gear; The tooth curve of the gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is an involute profile, or circular arc profile.
The gear of second gear shaft (10) and the 4th gear shaft (18) has constituted gear pump (28) with pump cylinder (7), pump end cap (8) and middle casing (5), when motor drives second gear shaft (10) rotation, the 4th gear shaft (18) rotation that promotion is engaged with, the volume of the seal space of pump can change, gear pump (28) is from pump filler opening (2) oil-feed, and the pressure oil of generation is transported in the gear motor (29) by pressure hydraulic fluid port (23); The gear of first gear shaft (1) and the 3rd gear shaft (16) has constituted gear motor (29) with motor cylinder (4), motor end cap (3) and middle casing (5), promotes first gear shaft (1) and the 3rd gear shaft (16) rotation of gear motor (29) from the pressure oil of gear pump (28); In order to guarantee the safety of hydraulic system, safety valve (6) is installed on middle casing (5); Bearing (12,13,14,15,19,20,24,25) is embedded in respectively in motor end cap (3), middle casing (5) and the pump end cap (8); Between motor end cap (3) and motor cylinder (4), motor cylinder (4) and middle casing (5), middle casing (5) and pump cylinder (7), pump cylinder (7) and pump end cap (8), seal ring (21,22,26,27) has been installed respectively; Motor end cap (3), motor cylinder (4), middle casing (5), pump cylinder (7) and pump end cap (8) connect by bolt assembly (9); Between first gear shaft (1) and motor end cap (3), on first gear shaft (2), be used for having installed respectively between second gear shaft (1) and pump end cap (8) seal ring (31), seal ring (32).
A kind of gear pump gear motor integrated machine is shown in Figure of description 1, accompanying drawing 2 and accompanying drawing 3;
The present invention compares with background technique, and the beneficial effect that has is:
Owing to the invention belongs to the simple hydraulic system that gear pump, gear motor and safety valve are become one.
So it is simple in structure, in light weight, easy for installation that the present invention has, advantages of cheap price can be widely used in building machinery, injection machine, farm machinery and oilfield machinery.
Description of drawings
The present invention will be further described below in conjunction with Figure of description.
Fig. 1 is a structure principle chart of the present invention.
Fig. 2 is the three-dimensional blast schematic diagram of Fig. 1 of the present invention.
Fig. 3 is the hydraulic schematic diagram of Fig. 1 of the present invention.
Among Fig. 1,2,3: 1. first gear shaft, 2. pump liquid entering hole, 3. motor end cap, 4. motor cylinder, 5. middle casing, 6. safety valve, 7. pump cylinder, 8. pump end cap, 9. bolt assembly, 10. second gear shaft, 11. motor liquid ports, 12,13,14,15,19,20,24,25. bearings, 16. the 3rd gear shafts, 18. the 4th gear shafts, 21,22,26,27. seal rings, 23. pressure hydraulic fluid ports, 28. gear pumps, 29. gear motor, 30. fuel tanks, 31,32. seal rings.
Embodiment
As shown in Figure 1, 2, 3, the gear of second gear shaft (10) and the 4th gear shaft (18) has constituted gear pump (28) with pump cylinder (7), pump end cap (8) and middle casing (5), when motor drives second gear shaft (10) rotation, when the 4th gear shaft (18) that promotion is engaged with rotates, the volume of the seal space of pump can change, gear pump (28) is from pump filler opening (2) oil-feed, and the pressure oil of generation is transported to the admission chamber of gear motor (29) by pressure hydraulic fluid port (23); The gear of first gear shaft (1) and the 3rd gear shaft (16) has constituted gear motor (29) with motor cylinder (4), motor end cap (3) and middle casing (5), promotes first gear shaft (1) and the 3rd gear shaft (16) rotation of gear motor (29) from the pressure oil of gear pump (28); In order to guarantee the safety of hydraulic system, safety valve (6) is installed on middle casing (5); Bearing (12,13,14,15,19,20,24,25) is embedded in respectively in motor end cap (3), middle casing (5) and the pump end cap (8); Between motor end cap (3) and motor cylinder (4), motor cylinder (4) and middle casing (5), middle casing (5) and pump cylinder (7), pump cylinder (7) and pump end cap (8), seal ring (21,22,26,27) has been installed respectively; Motor end cap (3), motor cylinder (4), middle casing (5), pump cylinder (7) and pump end cap (8) connect by bolt assembly (9); Seal ring (31), seal ring (32) are being installed respectively between first gear shaft (1) and motor end cap (3), between second gear shaft (10) and pump end cap (8).
The present invention provides a kind of hydraulic system that gear pump, gear motor and safety valve are become one because gear pump, gear motor and safety valve are integrated into one, for user's installation and use brought convenience.
Claims (7)
1. gear pump gear motor integrated machine, it is characterized in that: this integrated machine is made up of first gear shaft (1), motor end cap (3), motor cylinder (4), middle casing (5), safety valve (6), pump cylinder (7), pump end cap (8), bolt assembly (9), second gear shaft (10), bearing (12,13,14,15,19,20,24,25), the 3rd gear shaft (16), the 4th gear shaft (18), seal ring (21,22,26,27,31,32); Second gear shaft (10), the 4th gear shaft (18) have constituted gear pump (28) with pump cylinder (7), pump end cap (8) and middle casing (5); First gear shaft (1), the 3rd gear shaft (16) have constituted gear motor (29) with motor cylinder (4), motor end cap (3), middle casing (5); Pump end cap (8), pump cylinder (7), middle casing (5), motor cylinder (4), motor end cap (3) connect by bolt assembly (9); Safety valve (6) is installed on middle casing (5); The pressure oil that gear pump (28) produces promotes first gear shaft (1), the 3rd gear shaft (16) rotation of gear motor by the admission chamber of the pressure hydraulic fluid port (23) on the middle casing (5) towards gear motor (29).
2. gear pump gear motor integrated machine according to claim 1 is characterized in that: the gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is a master gear, or the normal shift gear.
3. gear pump gear motor integrated machine according to claim 1 is characterized in that: gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) are identical with the structural parameter of the gear of the 4th gear shaft (18).
4. gear pump gear motor integrated machine according to claim 1 is characterized in that: the material of motor end cap (3) and pump end cap (8) is a cast steel.
5. gear pump gear motor integrated machine according to claim 1 is characterized in that: the material of motor cylinder (4), middle casing (5) and pump cylinder (7) is aluminum alloy or stainless steel.
6. gear pump gear motor integrated machine according to claim 1 is characterized in that: the gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is a spur gear, or helical gear.
7. gear pump gear motor integrated machine according to claim 1, it is characterized in that: the tooth curve of the gear of gear first gear shaft (1), second gear shaft (10), the 3rd gear shaft (16) and the 4th gear shaft (18) is an involute profile, or circular arc profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205707868U CN201836147U (en) | 2010-10-12 | 2010-10-12 | Machine integrating gear pump and gear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205707868U CN201836147U (en) | 2010-10-12 | 2010-10-12 | Machine integrating gear pump and gear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836147U true CN201836147U (en) | 2011-05-18 |
Family
ID=44006251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205707868U Expired - Fee Related CN201836147U (en) | 2010-10-12 | 2010-10-12 | Machine integrating gear pump and gear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287549A (en) * | 2011-07-20 | 2011-12-21 | 安徽理工大学 | Combined switching valve |
| CN108412821A (en) * | 2018-05-25 | 2018-08-17 | 太原理工大学 | A kind of walking robot of liquid electricity combination drive |
-
2010
- 2010-10-12 CN CN2010205707868U patent/CN201836147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287549A (en) * | 2011-07-20 | 2011-12-21 | 安徽理工大学 | Combined switching valve |
| CN108412821A (en) * | 2018-05-25 | 2018-08-17 | 太原理工大学 | A kind of walking robot of liquid electricity combination drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huainan Botai Mining Electric Appliance Co., Ltd. Assignor: Anhui University Of Science And Technology Contract record no.: 2012340000115 Denomination of utility model: Low-pulsation gear pump and gear motor integrated machine Granted publication date: 20110518 License type: Exclusive License Record date: 20120412 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20121012 |