CN202157956U - Driving mechanism of gear pump - Google Patents
Driving mechanism of gear pump Download PDFInfo
- Publication number
- CN202157956U CN202157956U CN2011202419647U CN201120241964U CN202157956U CN 202157956 U CN202157956 U CN 202157956U CN 2011202419647 U CN2011202419647 U CN 2011202419647U CN 201120241964 U CN201120241964 U CN 201120241964U CN 202157956 U CN202157956 U CN 202157956U
- Authority
- CN
- China
- Prior art keywords
- gear pump
- gear
- trunnion shaft
- shaft
- live axle
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a driving mechanism of a gear pump, which comprises a balance shaft (2). The inside of the front end of the driving mechanism is connected with an engine in a meshed transmission mode through gear meshing, and the outside of the front end of the driving mechanism is detachably connected with the gear pump through a driving shaft combining piece arranged on the balance shaft (2). The driving shaft combining piece comprises a transmission gear (3) and a spline shaft, the transmission gear (3) is sleeved on the balance shaft (2) and fixedly connected with the balance shaft through a connecting key, one end of the spline shaft is connected with the transmission gear (3) in a key mode, the other end of the spline shaft is detachably connected with an outer spline of the gear pump. The gear pump driven by the driving mechanism is reasonable in distribution and small in occupation space, and greatly reduces cost.
Description
Technical field
The utility model relates to and belongs to hydraulic pump drive mechanism technical field, is specifically related to a kind of driving mechanism with the direct driving gear pump of trunnion shaft.
Background technique
Gear pump is widely used in the existing history for many years of drive system of tractor.It is simple in structure, volume is little, use in light weight is reliable, the life-span is long.In the drive unit of the hydraulic gear pump of tractor of the prior art; Hydraulic gear pump is installed on the back axle of tractor; A transmission pulley is installed on the pump shaft of gear pump; Two transmission pulleys are through the belt interlock, and hydraulic gear pump gains impetus from the belt pulley on the clutch through two transmission pulleys and a belt.The layout that this traditional intrinsic structural imperfection of device is cost height and hydraulic gear pump is unreasonable, and overall structure is compact inadequately, and arrangement space has caused waste.
Existing Chinese patent document CN201129298Y discloses a kind of mekydro pump drive; Comprise the belt pulley that is installed on the clutch, with the hydraulic gear pump of belt pulley interlock; Mekydro originally is arranged on the outside of belt pulley; Be fixedly mounted on the gear pump support, the gear pump support is fixedly connected on the end of crossbeam, and the other end of crossbeam is fixedly connected on the tractor frame; Be installed with drive block on the belt pulley, the pump shaft of drive block and hydraulic gear pump is in transmission connection.Have draw-in groove on the said drive block, the front end of pump shaft is the polygon prism shape, and is corresponding with the shape of draw-in groove, and the front end of pump shaft is plugged in the draw-in groove.Though technique scheme will output power through drive block and deliver to hydraulic gear pump; When reducing cost, also reduced kinetic equation loss, and make that clutch pedal is operated the whole device in back just can proper functioning, interior but the driving mechanism of the hydraulic gear pump obviously in the technique scheme is the gearbox that is provided with separately; Although cost decreases with respect to technology formerly; But because it is still higher relatively to increase its cost of driving mechanism separately, in addition, in-engine space is limited; Increase driving mechanism separately and will certainly cause the space cost when carrying out layout to increase, cause the unreasonable of layout.
Summary of the invention
The technical problem that the utility model will solve is: the driving mechanism occupation space of hydraulic gear pump of the prior art is big, and layout is unreasonable and cost is higher.
In order to solve the problems of the technologies described above; The utility model provides a kind of gear pump driven mechanism; Comprise trunnion shaft; Realize being connected by meshing transmission with motor through gear engagement in its front end inboard, its front end outside removably connects through live axle component and the gear pump that is arranged on the said trunnion shaft, and said live axle component comprises:
Driving gear, said driving gear is placed on the said trunnion shaft, and is fixedly connected with said trunnion shaft through linking bond;
Splined shaft, the one of which end is connected with said driving gear key, and an other end removably is connected with the external splines of gear pump.
Said driving gear comprises integrated pinion stand and gear, and said gear places an end of said pinion stand, and said splined shaft is connected through linking bond with said pinion stand.
Form at least one positioning hole radially on the said pinion stand, said trunnion shaft is provided with the corresponding location of said positioning hole blind hole, and said live axle component carries out radial location with said trunnion shaft through locating piece.
Said pinion stand directly upwards forms two positioning holes that are set to 90 degrees, and said trunnion shaft is provided with corresponding two the location blind holes of said positioning hole, and said live axle component carries out radial location with said trunnion shaft through two locating pieces.
Said locating piece is a holding down bolt, and an end of said holding down bolt passes said positioning hole, and falls into and the corresponding location of said positioning hole blind hole, realizes the radial location of said live axle component and said trunnion shaft.
The beneficial effect of the utility model is:
(1) the described gear pump driven of the utility model mechanism adopts and is arranged at the direct driving gear pump of live axle component on the trunnion shaft; Need not add driving structure; All driver parts such as belt pulley of driving structure in the existing technology have been saved; Make the structure of gear pump driven mechanism compact more, the volume that takies is littler.
(2) the described driving mechanism of the utility model driver part that need not add other just can be realized the driving to gear pump, not only makes installation process more simply also practice thrift fabricating cost greatly.
Description of drawings
For the content that makes the utility model is more clearly understood, below according to the specific embodiment of the utility model and combine accompanying drawing, the utility model is done further detailed explanation, wherein:
Fig. 1 is the described driving mechanism of the utility model and the schematic representation that is connected of gear pump;
Fig. 2-a is the structural representation of the said live axle component of the utility model;
Fig. 2-b is the left view of the said live axle component of Fig. 2-a;
Reference character wherein is: 1-gear chamber, 2-trunnion shaft, 3-driving gear, 4-positioning key, 5-splined shaft, 6-linking bond, 7-linking bond, 8-pinion stand.
Embodiment
As shown in Figure 1; The utility model discloses a kind of gear pump driven mechanism; Comprise trunnion shaft 2; Realize being connected by meshing transmission with motor through gear engagement in its front end inboard, its front end outside removably connects through live axle component and the gear pump that is arranged on the said trunnion shaft 2, and said live axle component comprises:
Driving gear 3, said driving gear 3 is placed on the said trunnion shaft 2, and is fixedly connected with said trunnion shaft through linking bond 7;
Said driving gear 3 comprises integrated pinion stand 8 and gear, and said gear places an end of said pinion stand 8, and said splined shaft 5 is connected through linking bond 6 with said pinion stand 8.
Form at least one positioning hole radially on the said pinion stand, said trunnion shaft 2 is provided with the corresponding location of said positioning hole blind hole, and said live axle component carries out radial location with said trunnion shaft 2 through locating piece 4.
Said pinion stand 8 footpaths upwards form two positioning holes that are set to 90 degrees, and said trunnion shaft 2 is provided with corresponding two the location blind holes of said positioning hole, and said live axle component carries out radial location with said trunnion shaft 2 through two locating pieces 4.
Said locating piece 4 is a holding down bolt, and an end of said holding down bolt passes said positioning hole, and falls into and the corresponding location of said positioning hole blind hole, realizes the radial location of said live axle component and said trunnion shaft 2.
When concrete the application; Trunnion shaft 2, realize being connected by meshing transmission with motor through gear engagement in its front end inboard, and the said trunnion shaft 2 of engine drives rotates; And the front end of the trunnion shaft outside removably connects through live axle component and gear pump; One end of the splined shaft 5 in the said live axle component removably connects with the external splines of gear pump, and the external splines of driven gear pump rotates, thereby realizes the driving to gear pump 9.
Though the utility model has carried out detailed elaboration through embodiment to it; But; Those skilled in the art should be understood that; Any form of being made on this basis that does not exceed the claim protection domain and the variation of details all belong to the claimed scope of the utility model.
Claims (5)
1. gear pump driven mechanism; Comprise trunnion shaft (2); Realize being connected by meshing transmission with motor through gear engagement in its front end inboard, its front end outside removably connects through live axle component and the gear pump that is arranged on the said trunnion shaft (2), it is characterized in that:
Said live axle component comprises:
Driving gear (3), said driving gear (3) is placed on the said trunnion shaft (2), and is fixedly connected with said trunnion shaft through linking bond (7);
Splined shaft (5), the one of which end is connected with said driving gear (3) key, and an other end removably is connected with the external splines of gear pump.
2. gear pump driven according to claim 1 mechanism is characterized in that:
Said driving gear (3) comprises integrated pinion stand (8) and gear, and said gear places an end of said pinion stand (8), and said splined shaft (5) is connected through linking bond (6) with said pinion stand (8).
3. gear pump driven according to claim 2 mechanism is characterized in that:
Form at least one positioning hole radially on the said pinion stand (8), said trunnion shaft (2) is provided with the corresponding location of said positioning hole blind hole, and said live axle component carries out radial location with said trunnion shaft (2) through locating piece (4).
4. gear pump driven according to claim 3 mechanism is characterized in that:
Said pinion stand (8) footpath upwards forms two positioning holes that are set to 90 degrees; Said trunnion shaft (2) is provided with corresponding two the location blind holes of said positioning hole, and said live axle component carries out radial location with said trunnion shaft (2) through two locating pieces (4).
5. according to claim 3 or 4 described gear pump driven mechanisms, it is characterized in that:
Said locating piece (4) is a holding down bolt, and an end of said holding down bolt passes said positioning hole, and falls into and the corresponding location of said positioning hole blind hole, realizes the radial location of said live axle component and said trunnion shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202419647U CN202157956U (en) | 2011-07-11 | 2011-07-11 | Driving mechanism of gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202419647U CN202157956U (en) | 2011-07-11 | 2011-07-11 | Driving mechanism of gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202157956U true CN202157956U (en) | 2012-03-07 |
Family
ID=45765597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202419647U Expired - Lifetime CN202157956U (en) | 2011-07-11 | 2011-07-11 | Driving mechanism of gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202157956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374787A (en) * | 2018-05-03 | 2018-08-07 | 重庆潍柴发动机有限公司 | A kind of gear pump structure and its design method for realizing that left and right favourable turn is general |
-
2011
- 2011-07-11 CN CN2011202419647U patent/CN202157956U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374787A (en) * | 2018-05-03 | 2018-08-07 | 重庆潍柴发动机有限公司 | A kind of gear pump structure and its design method for realizing that left and right favourable turn is general |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: 213176 Chang FA Industrial Park, Wujin Road, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu Changfa Agricultural Equipment Co., Ltd. Address before: 213176 Chang FA Industrial Zone, South Gate, Wujin District, Jiangsu, Changzhou Patentee before: Changfa Power Machinery Co., Ltd., Changzhou City |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |