CN215109461U - Novel gear hydraulic pump - Google Patents
Novel gear hydraulic pump Download PDFInfo
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- CN215109461U CN215109461U CN202121608285.9U CN202121608285U CN215109461U CN 215109461 U CN215109461 U CN 215109461U CN 202121608285 U CN202121608285 U CN 202121608285U CN 215109461 U CN215109461 U CN 215109461U
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Abstract
The utility model discloses a novel gear hydraulic pump, which comprises a pump body, be equipped with two independent pump chambeies in the pump body, two pump chambeies are pump oil chamber and transmission chamber respectively, the pump oil chamber communicates with each other with external working hydraulic oil, the transmission chamber is independent sealed chamber, transmission intracavity lubricating oil is for adding alone, transmission chamber and pump oil intracavity all are provided with intermeshing's driving gear and driven gear, the driving gear in pump oil chamber and the transmission intracavity is connected by long axis drive, long axis one end is passed the transmission chamber and is extended to the external power input that sets up of pump, the driven gear in pump oil chamber and the transmission intracavity is connected by short axis drive. The utility model discloses a double-chamber type structure separates working oil and lubricating oil, and impurity influences the transmission of gear in the transmission chamber in can reducing the working oil, and the gear wheel is directly taken to the pinion drive scheme in the pump oil intracavity that changes traditional mode, makes the gear of pump oil intracavity not directly mesh the transmission, guarantees the life and the work efficiency of gear pump.
Description
Technical Field
The utility model belongs to the gear pump field, concretely relates to novel gear hydraulic pump.
Background
Along with machine-building trade is higher, the wide application that hydraulic equipment also obtained, the gear hydraulic pump has from inhaling the ability reinforce, moreover, the steam generator is simple in structure, the flow is even, advantages such as reliable operation, make reaching the wide use of gear pump, nevertheless because traditional gear pump all is that the motor drives a driving gear and rotates, the driving gear rethread tooth drives driven gear and rotates, oil in the gear pump is the intercommunication with the oil of external work in the course of the work, external working oil easily produces impurity usually, lead to the gear pump can the impurity enter into on the contact surface of two gears at the during operation, lead to gear wear serious, thereby influence the transmission of gear, seriously influence gear pump life and work efficiency.
Disclosure of Invention
An object of the utility model is to provide a novel gear hydraulic pump can prolong the life of gear pump, reduces the transmission that impurity influences gear in the transmission chamber in the working oil.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel gear hydraulic pump, which comprises a pump body, be equipped with two independent pump chambeies in the pump body, two pump chambeies are pump oil chamber and transmission chamber respectively, the pump oil chamber communicates with each other with external work hydraulic oil, the transmission chamber is independent sealed chamber, transmission intracavity lubricating oil is for adding alone, transmission chamber and pump oil intracavity all are provided with intermeshing's driving gear and driven gear, the driving gear in pump oil chamber and the transmission intracavity is connected by long axis transmission, long axis one end is passed the transmission chamber and is extended to the external power input that sets up of pump, the driven gear in pump oil chamber and the transmission intracavity is connected by the minor axis transmission.
Furthermore, the pump body positioned at the oil cavity of the pump is respectively provided with an oil inlet and an oil outlet, and the pump body positioned at the transmission cavity is provided with an oil filling port.
Furthermore, a transmission cavity and a pump oil cavity in the pump body are respectively connected and sealed through a front end cover and a rear end cover, and a power input port for a long shaft to penetrate through is formed in the front end cover.
Furthermore, the driving gear is a large gear, and the driven gear is a small gear.
Further, bearings are arranged at two ends of the long shaft and the short shaft.
Compared with the prior art, the utility model discloses following beneficial effect has: one is as follows: simple structure and convenient manufacture. The second step is as follows: the torque force is not directly transmitted between the gears in the oil cavity of the pump, so that the service life of the gears can be prolonged. And thirdly: the gear for transmitting torque force is separated from the oil pumping gear, so that the phenomenon that external working oil enters the transmission gear to influence the service life of the gear pump is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the gear assembly of the present invention;
FIG. 3 is a schematic view of the pump body structure of the present invention;
FIG. 4 is a three-dimensional structure diagram of the present invention;
in the figure: 1. the pump comprises a rear end cover, a pump body 2, a driving gear 3, a driven gear 4, a front end cover 5, a long shaft 6, a short shaft 7, a bearing 8, a pump oil cavity 9, a transmission cavity 10, a power input end 11 and an oil filling port 12.
Detailed Description
Referring to fig. 1-4, a novel gear hydraulic pump comprises a pump body 2, two independent pump cavities are arranged in the pump body 2, the two pump cavities are respectively a pump oil cavity 9 and a transmission cavity 10, the pump oil cavity 9 is communicated with external working hydraulic oil, the transmission cavity 10 is an independent sealing cavity, lubricating oil in the transmission cavity 10 is added independently, a driving gear 3 and a driven gear 4 which are meshed with each other are arranged in the transmission cavity 10 and the pump oil cavity 9, the driving gear 3 in the pump oil cavity 9 and the transmission cavity 10 are in transmission connection through a long shaft 6, one end of the long shaft 6 penetrates through the transmission cavity 10 and extends to the outside of the pump body 2 to be provided with a power input end 11, and the driven gear 4 in the pump oil cavity 9 and the transmission cavity 10 is in transmission connection through a short shaft 7.
Wherein, the pump body 2 at the pump oil cavity 9 is respectively provided with an oil inlet and an oil outlet, and the pump body 2 at the transmission cavity 10 is provided with an oil filling port 12.
The transmission cavity 10 and the pump oil cavity 9 in the pump body 2 are respectively connected and sealed through the front end cover 5 and the rear end cover 1, and the front end cover 5 is provided with a power input port through which the long shaft 6 passes.
Wherein, the driving gear 3 is a large gear, and the driven gear 4 is a small gear.
Wherein, two ends of the long shaft 6 and the short shaft 7 are provided with bearings 8.
It should be noted that the utility model is a novel gear hydraulic pump, the utility model adopts a double-cavity structure, separates the pump oil cavity 9 from the gear transmission cavity 10, the hydraulic oil of the two cavity types are independent, the pump oil cavity 9 is connected with the external working oil tank through the hydraulic oil, the transmission cavity 10 is an independent cavity type, and clean lubricating oil is added independently; by separating the working oil from the lubricating oil, the influence of impurities in the working oil on the transmission of the gears in the transmission chamber 10 can be reduced. The mode can well guarantee the service life and the working efficiency of the gear pump. In the use process, the motor is connected with the power input end 11 and matched with the motor to drive the long shaft 6 to rotate, the long shaft 6 drives the large gear in the transmission cavity 10 and the large gear in the pump oil cavity 9 to rotate while rotating, the large gear in the transmission cavity 10 drives the small gear to rotate through tooth meshing, the small gear in the transmission cavity 10 is connected with the small gear in the pump oil cavity 9 through the short shaft 7, the small gear in the pump oil cavity 9 is driven through the short shaft 7 to transmit, the transmission scheme that the large gear in the pump oil cavity 9 is directly transmitted to the small gear in the traditional mode is changed, the direct meshing stress of the large gear and the small gear in the pump oil cavity 9 can be increased in the mode, and the normal work of the gear pump cannot be influenced even if the gear in the pump oil cavity 9 is abraded due to oil dirt.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel gear hydraulic pump which characterized by: the pump comprises a pump body, two independent pump cavities are arranged in the pump body, the two pump cavities are respectively a pump oil cavity and a transmission cavity, the pump oil cavity is communicated with external working hydraulic oil, the transmission cavity is an independent sealing cavity, lubricating oil in the transmission cavity is added independently, a driving gear and a driven gear which are meshed with each other are arranged in the transmission cavity and the pump oil cavity, the driving gear in the pump oil cavity and the transmission cavity is connected through long shaft transmission, one end of a long shaft penetrates through the transmission cavity and extends to the outside of the pump body to be provided with a power input end, and the driven gear in the pump oil cavity and the transmission cavity is connected through short shaft transmission.
2. The novel geared hydraulic pump of claim 1, wherein: the pump body at the pump oil cavity is respectively provided with an oil inlet and an oil outlet, and the pump body at the transmission cavity is provided with an oil filling port.
3. The novel geared hydraulic pump of claim 1, wherein: the transmission cavity and the pump oil cavity in the pump body are respectively connected and sealed through a front end cover and a rear end cover, and a power input port for a long shaft to penetrate through is formed in the front end cover.
4. The novel geared hydraulic pump of claim 1, wherein: the driving gear is a bull gear, and the driven gear is a pinion.
5. The novel geared hydraulic pump of claim 1, wherein: both ends of the long shaft and the short shaft are provided with bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608285.9U CN215109461U (en) | 2021-07-15 | 2021-07-15 | Novel gear hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608285.9U CN215109461U (en) | 2021-07-15 | 2021-07-15 | Novel gear hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109461U true CN215109461U (en) | 2021-12-10 |
Family
ID=79319891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121608285.9U Active CN215109461U (en) | 2021-07-15 | 2021-07-15 | Novel gear hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109461U (en) |
-
2021
- 2021-07-15 CN CN202121608285.9U patent/CN215109461U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee after: Nanchang Mining Machinery Group Co.,Ltd. Address before: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee before: NANCHANG MINERAL SYSTEMS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |