CN86207301U - Improvements on connection with hydraulic pump & its drive unit - Google Patents
Improvements on connection with hydraulic pump & its drive unit Download PDFInfo
- Publication number
- CN86207301U CN86207301U CN 86207301 CN86207301U CN86207301U CN 86207301 U CN86207301 U CN 86207301U CN 86207301 CN86207301 CN 86207301 CN 86207301 U CN86207301 U CN 86207301U CN 86207301 U CN86207301 U CN 86207301U
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- pump
- oil hydraulic
- axle
- drive unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Abstract
The utility model provides a hydraulic pump combined with a drive unit, comprising a hydraulic pump and a drive unit matched with the hydraulic pump. One end of the transmission shaft (2) of the hydraulic pump passes through a bearing (4) and a shaft seal (3) arranged in a pump body (1) for connecting the working mechanism of the pump, and the other end of the transmission shaft (2) is inserted in the shaft (7) of the drive unit having a front end with a flat groove (6) or a groove in the shape like the Chinese character 'shi' via a flat shaft (5) or a shaft in the shape like the Chinese character 'shi'. The design can cause the hydraulic pump to be conveniently and singly tested, repaired and replaced, and requirements on various power matches of the hydraulic pump and the drive unit are satisfied.
Description
Model utility relates to the connecting structure of a kind of oil hydraulic pump and its drive unit.
Oil hydraulic pump generally separates with its drive unit, will connect installation by extra coupling device and specific installation basis during use, thereby causes whole apparatus structure complicated and heavy, the manufacture cost height.This problem has obtained corresponding solution in the disclosed a kind of axial piston pump group of motors of Chinese patent CN85200215U.This patent is combined pump and its drive motor, one end of the transmission shaft band flat key of pump is passed the axle envelope that is contained in the pump housing, directly insert in the pump drive shaft mounting hole of motor shaft front end band keyway, and the pump housing that the pump housing props up on mouthful insertion motor protecgulum flange props up in mouthful mounting hole, with two screws the pump housing and motor protecgulum flange are directly connect, saved the coupling device that adds and specific installation basis, simplified the structure.But the problem that this patent exists is: because pump combines with motor, have integrity, must hand over repair shop to carry out together in motor when maintenance or replacing pump, the maintenance and the replacing of pump brought inconvenience.In addition, the processing of the motor axis hole of the pump drive shaft of mounting strap flat key is also relatively more difficult.The utility model is exactly to form in order to address these problems, to improve on the basis of above-mentioned patent.
The task of model utility is, designs a kind of oil hydraulic pump that connects with its drive unit, makes it satisfy such requirement: make the connection of oil hydraulic pump and its drive unit should simple in structure, easy processing, keep in repair again and more convenient when changing pump.
Model utility is achieved in that an end that makes the oil hydraulic pump transmission shaft passes the bearing in the pump housing and axle seals and the operation mechanism of pump connects, the other end inserts front end with plat shaft to be had in the driving unit shaft of plat slot, the pump housing that the pump housing props up on mouthful insertion drive unit protecgulum flange props up in mouthful mounting hole, with screw the pump housing and drive unit protecgulum flange are directly connect, oil hydraulic pump and its drive unit are joined together.
Such design proposal combines oil hydraulic pump and drive unit, and is simple in structure; Pump shaft cooperates with plat shaft and plat slot with driving unit shaft, thereby than the cooperation in original band flat key axle and hole, easy processing; Because pump shaft has bearing supporting, makes oil hydraulic pump can separate with its drive unit, when needing repairing and change pump,, thereby satisfied design objective institute requirement as long as screw unclamped old pump to be pulled down carries out independent maintenance or replacing.
Model utility comprises an oil hydraulic pump and a drive unit that matches with it.The axle envelope in the pump housing and the layout of bearing can be that axle is enclosed in inboard (by oil hydraulic pump one side), bearing in the outside (by a side of drive unit).Also can be that axle is enclosed in the outside, bearing is in the inboard or alternate manner is to be adapted to the Structural Design Requirement of different types of oil hydraulic pump and combination of drive means.Connection with the hydraulic pump motor group is an example: can be provided with the paired screw of arranging along a diameter on the motor protecgulum flange, the size of this screw and radial hole are apart from all meeting the ISO3019/2-1980 standard, suitably select hydraulic pump body to prop up the size of mouth and plat shaft, with the installation requirement of the oil hydraulic pump that satisfies the different displacements specification, realize the requirement of standardization, seriation and the multiple power match of hydraulic pump motor group.In order to be fit to transmit more powerful requirement, also an end of pump shaft band plat shaft can be made " ten " prefix type, insert it in " ten " word groove of corresponding motor shaft front end.
Below in conjunction with the concrete performance of accompanying drawing with the combination explanation model utility of oil hydraulic pump and motor.
Fig. 1 is a kind of axial piston pump group of motors structure.
Fig. 2 and Fig. 3 are other forms of hydraulic pump motor group connecting structures.
Fig. 4 and Fig. 5 are a kind of structures of motor protecgulum flange (9).
Hydraulic pump motor group shown in Figure 1 comprises an axial piston pump and a motor with matching.One end of the pump shaft of axial piston pump (2) passes the bearing (4) and the axle that are contained in the pump housing (1) and seals (3), drives cylinder body (11) rotation with splined shaft (12).The other end inserts front end with plat shaft (5) to be had in the motor shaft (7) of plat slot (6).The pump housing props up the pump housing that mouthful (8) inserts on the motor protecgulum flange (9) and props up in mouthful mounting hole (10), with two screws (14) pump housing (1) and motor protecgulum flange (9) is directly connect, and axial piston pump and its drive motor are joined together.The layout that axle in its middle pump body seals (3) and bearing (4) is that axle envelope (3) (is leaned on motor one side) at inboard (by axial piston pump one side), bearing (4) in the outside, and pump housing front end has flange (13) to connect with motor protecgulum flange (9).
The axle envelope in Fig. 2 and the hydraulic pump motor group shown in Figure 3, its pump housing and the layout of bearing are that axle is enclosed in the outside, bearing in the inboard.Wherein, hydraulic pump motor group shown in Figure 3 adopts a pump blind flange (16), and axle is encapsulated in this pump blind flange, and oil hydraulic pump is by this pump blind flange and the flange coupling of motor protecgulum.
Fig. 4 and motor protecgulum flange shown in Figure 5, be arranged with three pairs of apertures (d, d ', d ") and radial hole apart from (K, K ', K ") screw (17,18,19) all inequality on a diameter, wherein (K, d), (K ', d '), (K ", d ") all meet the regulation of ISO3019/2-1980 standard.
The above embodiment who provides, all realized both making the connection compactness, easy to process of oil hydraulic pump and drive unit, pump can be separated with drive unit, oil hydraulic pump can be tested separately, keeps in repair or change, the requirement of oil hydraulic pump and the multiple power match of drive unit be can also satisfy simultaneously, standardization, seriation realized.This oil hydraulic pump that connects with its drive unit is applicable to Hydraulic Power Transmission System or similarly in other equipment.
Claims (5)
1, a kind of oil hydraulic pump that connects with its drive unit, comprise an oil hydraulic pump and a drive motor that matches with it, the pump housing of oil hydraulic pump props up the pump housing that mouthful [8] inserts on the drive motor protecgulum flange [9] and props up in mouthful mounting hole [10], with screw [14] hydraulic pump body [1] and drive motor protecgulum flange [9] are directly connect, one end of the transmission shaft of oil hydraulic pump [2] passes bearing [4] and the operation mechanism's connection of sealing [3] and pump that is contained in the pump housing, and the feature of model utility is: the other end of the transmission shaft of oil hydraulic pump [2] inserts front end with plat shaft [5] or " ten " prefix axle to be had in the drive motor axle [7] of plat slot [6] or " ten " word groove.
2, by the described oil hydraulic pump of claim 1, it is characterized in that: the axle envelope (3) in the said pump housing and the layout of bearing (4) are that axle is enclosed in the inboard, and bearing is in the outside.
3, by the described oil hydraulic pump of claim 1, it is characterized in that: the axle envelope (3) in the said pump housing and the layout of bearing (4) are that axle is enclosed in the outside, and bearing is in the inboard.
4, by the described oil hydraulic pump of claim 3, it is characterized in that: adopt a pump blind flange (16), axle is encapsulated in this pump blind flange, and oil hydraulic pump connects by this pump blind flange and its drive motor.
5, by the described oil hydraulic pump of claim 1, it is characterized in that: the screw of arranging in pairs along a diameter (17,18,19) is arranged on the said drive motor protecgulum flange (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207301 CN86207301U (en) | 1986-09-30 | 1986-09-30 | Improvements on connection with hydraulic pump & its drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207301 CN86207301U (en) | 1986-09-30 | 1986-09-30 | Improvements on connection with hydraulic pump & its drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86207301U true CN86207301U (en) | 1987-06-10 |
Family
ID=4809759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86207301 Ceased CN86207301U (en) | 1986-09-30 | 1986-09-30 | Improvements on connection with hydraulic pump & its drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86207301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529389C (en) * | 2004-10-20 | 2009-08-19 | 马库斯利布赫尔国际公司 | Hydrostatic axial piston machine and use of said machine |
-
1986
- 1986-09-30 CN CN 86207301 patent/CN86207301U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529389C (en) * | 2004-10-20 | 2009-08-19 | 马库斯利布赫尔国际公司 | Hydrostatic axial piston machine and use of said machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |