CN209385293U - Synchronous bent axis type axial piston pump - Google Patents
Synchronous bent axis type axial piston pump Download PDFInfo
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- CN209385293U CN209385293U CN201822010086.2U CN201822010086U CN209385293U CN 209385293 U CN209385293 U CN 209385293U CN 201822010086 U CN201822010086 U CN 201822010086U CN 209385293 U CN209385293 U CN 209385293U
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- transmission shaft
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- plunger
- piston pump
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Abstract
The utility model provides a kind of synchronous bent axis type axial piston pump, including transmission shaft, cylinder body and the plunger being set between transmission shaft and cylinder body, the transmission shaft and cylinder body cooperate one end to be provided with synchronous gear wheel disc, the cylinder body and transmission shaft cooperate one end to be provided with pinion disk, and the synchronous gear wheel disc and pinion disk engage to form synchronous connection structure.It can be avoided the making contact between plunger and cylinder body by the utility model, improve stress condition, improve working efficiency.
Description
Technical field
The utility model belongs to bent axis type axial piston pump field more particularly to a kind of synchronous bent axis type axial piston pump.
Background technique
In Hydraulic Field, bent axis type axial piston pump/motor applications are very extensive, the plunger in traditional bent axis type axial piston pump
It is all link mechanism or cone-shaped plunger structure similar with link mechanism, the rotation of cylinder body and transmission shaft has one always and turns
Angular difference.Such as Fig. 1, have an angle between 1 axis of 4 axis of cylinder body and transmission shaft, the angle make plunger 6 and cylinder body 4 formed one it is close
The cavity closed, so that ceaselessly oil extraction and oil suction in 4 rotary course of transmission shaft 1 and cylinder body.As can be seen that plunger from structure chart
There are two hinge joint bulb A, B on 6；Bulb A is hinged on transmission shaft 1, and bulb B is hinged in 4 plunger hole of cylinder body, transmission shaft 1
It drives 6 side of plunger to contact with plunger hole inner wall when rotation, forces plunger 6 to stir cylinder body 4 and rotate together.At work, each column
Plug 6 periodically alternately enters and exits the contact condition with 4 inner wall of cylinder body, and cylinder body 4 is driven continuously to rotate；Due to
The distribution of the presence of angle, seven bulb A on transmission shaft 1 is round and the distribution circles of 4 seven plunger holes of cylinder body are inconsistent；When
When transmission shaft 1 is with uniform rotation, cylinder body 4 does not move with uniform velocity, and the two has an outer corner difference, therefore 4 revolving speed of cylinder body is the period
The pulsation of property.
Therefore, 6 conical surface of plunger will generate pressure with the impacted inside of 4 plunger hole of cylinder body when entering driving, cause
Plunger 6 and 4 stress condition of cylinder body are severe.This be to the stress of cylinder body 4 and plunger 6 it is very unfavorable, this makes plunger 6 in addition to holding
Except by pressure, very big lateral force can be also born in collision process, plunger 6 is easy to produce fatigue rupture, cylinder body plunger hole
Also fatigue wear, the lost of life are easy to produce.
Utility model content
The purpose of this utility model is to provide a kind of synchronous bent axis type axial piston pump, can be avoided between plunger and cylinder body
Making contact improves stress condition.
To realize the purpose, a kind of synchronous bent axis type axial piston pump is provided, including transmission shaft, cylinder body and be set to transmission shaft
Plunger between cylinder body, the transmission shaft and cylinder body cooperate one end to be provided with synchronous gear wheel disc, and the cylinder body and transmission shaft cooperate
One end is provided with pinion disk, and the synchronous gear wheel disc and pinion disk engage to form synchronous connection structure.
Preferably, the synchronous gear wheel disc and pinion disk engagement place are located at the lower section of transmission shaft.
Preferably, the synchronous gear wheel disc is detachably connected with transmission shaft.
Preferably, the synchronous gear wheel disc be detachably fixed connecting with transmission between centers by the way that positioning pin is arranged.
Preferably, it is provided with the first perforation for being placed on transmission shaft on the synchronous gear wheel disc and is worn for positioning pin
The locating slot crossed, described first perforation be connected tos with locating slot, first perforation and transmission axis connection, the locating slot with determine
Position pin connection.
Preferably, the positioning pin is detachably connected with transmission shaft, and the transmission shaft is additionally provided with for synchromesh gear
The positioning ring of disk positioning, the positioning ring are connect with synchronous gear wheel disc.
Preferably, the bevel gear engaged is separately provided on the synchronous gear wheel disc and pinion disk.
Preferably, it is provided with spring assembly between the opposite end of both the transmission shaft and cylinder body, the one of the spring assembly
End is connect with the middle position of transmission shaft corresponding end and the other end is connect with the middle position of cylinder body corresponding end.
Preferably, the plunger pump further includes total shell, the front shell assemblies for supporting to transmission shaft, can be used for cylinder body
The rear case component being supported, the front shell assemblies and rear case component are connect with total shell respectively, under the side wall of total shell
End is provided with plug.
Preferably, the plunger at one end and transmission axis connection and other end is slided with plunger hole inner wall corresponding on plunger
It connects, the plunger hole inner wall place of being slidably connected is provided with plunger ring on the plunger.
The utility model compared with prior art, the beneficial effect is that:
In the present invention by the way that synchronous connection structure is arranged between transmission shaft and cylinder body, enable transmission shaft and cylinder body
Rotation is enough synchronized, can be avoided the making contact between plunger and cylinder body, improves stress condition, improves working efficiency, together
Shi Zhusai volume and weight be can be made smaller, and rotary inertia is smaller, to reduce cost.Pass through setting in the present invention
The synchronous gear wheel disc and pinion disk of engagement, so that clever structure, installation is simple to manufacture, and can effectively save cost.At this
Synchronous gear wheel disc is detachably secured on transmission shaft by positioning pin in utility model, so that installation is simple, it is convenient for safeguarding, it mentions
High working efficiency.Make stable, raising work by the way that spring assembly is arranged between transmission shaft and cylinder body in the present invention
Stability.
Detailed description of the invention
Fig. 1 is existing bent axis type axial piston pump structural schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the attachment structure schematic diagram of synchronous connection structure in the utility model；
Fig. 4 is synchromesh gear dish structure schematic diagram in the utility model；
Fig. 5 is pinion dish structure schematic diagram in the utility model.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.
As Figure 2-Figure 5, the utility model provides a kind of synchronous bent axis type axial piston pump, including transmission shaft 1, cylinder body 4
And the plunger 6 being set between transmission shaft 1 and cylinder body 4, transmission shaft 1 and cylinder body 4 cooperate one end to be provided with synchronous gear wheel disc 31, cylinder body
4 cooperate one end to be provided with pinion disk 32 with transmission shaft 1, and synchronous gear wheel disc 31 and the engagement of pinion disk 32 form synchronized links knot
Structure 3, and the connection of the transmission shaft 1 and other end of 6 one end of plunger are slidably connected with 41 inner wall of plunger hole corresponding on plunger 6, plunger 6
The upper and 41 inner wall place of being slidably connected of plunger hole is provided with plunger ring 5.
Spring assembly 8, one end of spring assembly 8 and transmission shaft 1 are provided between the opposite end of 4 the two of transmission shaft 1 and cylinder body
The middle position of corresponding end connects and the other end is connect with the middle position of 4 corresponding end of cylinder body.Plunger pump further includes total shell
7, the front shell assemblies 13 for being supported to transmission shaft 1, the rear case component 42 that can be used for being supported cylinder body 4, front shell assemblies 13
It is connect respectively with total shell 7 with rear case component 42, the side wall lower ends of total shell 7 are provided with plug 2.
In the present embodiment, plunger 6 drives one end hinged with transmission shaft 1, the number and plunger 6 of 4 upper prop consent 41 of cylinder body
Equally and correspond.Plunger 6 can be seven or be set as needed.The opposite end of 4 the two of transmission shaft 1 and cylinder body
Between be provided with spring assembly 8 and make stable, improve the stability of work, wherein spring assembly 8 is made of spring.Plunger 6
The upper and 41 inner wall place of being slidably connected of plunger hole is provided with plunger ring 5 and can effectively improve leakproofness.
Synchronous gear wheel disc 31 and 32 engagement place of pinion disk are located at the lower section of transmission shaft 1.Synchronous gear wheel disc 31 and transmission shaft 1
It is detachably connected.It carries out being detachably fixed connection by the way that positioning pin 11 is arranged between synchronous gear wheel disc 31 and transmission shaft 1.
In the present embodiment, the tooth form of bevel gear 33 can be involute cone tooth or curved tooth etc., 31 He of synchronous gear wheel disc
32 engagement place of pinion disk is located at the lower section of transmission shaft 1 to by constantly into engaging and exiting engagement, realizing transmission shaft 1
It is rotated synchronously with cylinder body 4, between the two without outer corner difference；Plunger 6 does not need to stir the rotation of cylinder body 4, thus plunger 6 and cylinder body 4 by
Power is all greatly improved, while 6 volume and weight of plunger be can be made smaller, and rotary inertia is smaller, so that property
It can be more preferable.
It is provided with the first perforation 311 for being placed on transmission shaft 1 on synchronous gear wheel disc 31 and is passed through for positioning pin 11
Locating slot 312, the first perforation 311 be connected to locating slot 312, and the first perforation 311 is connect with transmission shaft 1, locating slot 312 with calmly
Position pin 11 connects.Positioning pin 11 is detachably connected with transmission shaft 1, and transmission shaft 1 is additionally provided with for positioning to synchronous gear wheel disc 31
Positioning ring 12, positioning ring 12 connect with synchronous gear wheel disc 31.
In the present embodiment, pinion disk 32 can be fixed on cylinder body 4, and synchronous gear wheel disc 31 and transmission shaft 1 are by determining
Position pin 11 is fixed so that installing and convenient disassembly, consequently facilitating Maintenance and Repair.At work, transmission shaft 1 is connected by synchronous
3 drivig cylinder 4 of binding structure rotates synchronously, so that plunger 6 does not have to extract plunger hole 41 when plunger hole 41 carries out movement work, no
Lateral force can be generated with 41 inner wall of plunger hole, so as to improve the stability of performance and work.
Above are merely preferred embodiments of the utility model, it should be understood that the utility model is not limited to be draped over one's shoulders herein
The form of dew, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can
In this paper contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the utility model, then all should be in the guarantor of the appended claims for the utility model
It protects in range.
Claims (10)
1. a kind of synchronous bent axis type axial piston pump, including transmission shaft (1), cylinder body (4) and it is set between transmission shaft (1) and cylinder body (4)
Plunger (6), which is characterized in that the transmission shaft (1) and cylinder body (4) cooperation one end be provided with synchronous gear wheel disc (31), it is described
Cylinder body (4) and transmission shaft (1) cooperation one end are provided with pinion disk (32), the synchronous gear wheel disc (31) and pinion disk (32)
Engagement forms synchronous connection structure (3).
2. a kind of synchronous bent axis type axial piston pump according to claim 1, which is characterized in that the synchronous gear wheel disc (31) and
Pinion disk (32) engagement place is located at the lower section of transmission shaft (1).
3. a kind of synchronous bent axis type axial piston pump according to claim 1, which is characterized in that the synchronous gear wheel disc (31) with
Transmission shaft (1) is detachably connected.
4. a kind of synchronous bent axis type axial piston pump according to claim 3, which is characterized in that the synchronous gear wheel disc (31) with
It carries out being detachably fixed connection by the way that positioning pin (11) are arranged between transmission shaft (1).
5. a kind of synchronous bent axis type axial piston pump according to claim 4, which is characterized in that on the synchronous gear wheel disc (31)
The locating slot (312) for being provided with the first perforation (311) for being placed on transmission shaft (1) and being passed through for positioning pin (11), institute
The first perforation (311) stated is connected to locating slot (312), and first perforation (311) is connect with transmission shaft (1), the positioning
Slot (312) is connect with positioning pin (11).
6. a kind of synchronous bent axis type axial piston pump according to claim 4, which is characterized in that the positioning pin (11) and transmission
Axis (1) is detachably connected, and the transmission shaft (1) is additionally provided with the positioning ring (12) for positioning to synchronous gear wheel disc (31), institute
Positioning ring (12) is stated to connect with synchronous gear wheel disc (31).
7. a kind of synchronous bent axis type axial piston pump according to claim 1 or 2, which is characterized in that the synchronous gear wheel disc
(31) and on pinion disk (32) it is separately provided for the bevel gear (33) of engagement.
8. a kind of synchronous bent axis type axial piston pump according to claim 1, which is characterized in that the transmission shaft (1) and cylinder body
(4) it is provided with spring assembly (8) between the opposite end of the two, in one end of the spring assembly (8) and transmission shaft (1) corresponding end
Between position connection and the other end connect with the middle position of cylinder body (4) corresponding end.
9. a kind of synchronous bent axis type axial piston pump according to claim 1, which is characterized in that the plunger pump further includes total shell
Body (7), the front shell assemblies (13) for being supported to transmission shaft (1), the rear case component that can be used for being supported cylinder body (4)
(42), the front shell assemblies (13) and rear case component (42) are connect with total shell (7) respectively, under the side wall of total shell (7)
End is provided with plug (2).
10. a kind of synchronous bent axis type axial piston pump according to claim 1, which is characterized in that described plunger (6) one end and biography
Moving axis (1) connection and the other end be slidably connected with plunger hole (41) inner wall corresponding on plunger (6), on the plunger (6) and
Plunger hole (41) inner wall place of being slidably connected is provided with plunger ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010086.2U CN209385293U (en) | 2018-12-03 | 2018-12-03 | Synchronous bent axis type axial piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010086.2U CN209385293U (en) | 2018-12-03 | 2018-12-03 | Synchronous bent axis type axial piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385293U true CN209385293U (en) | 2019-09-13 |
Family
ID=67870350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010086.2U Active CN209385293U (en) | 2018-12-03 | 2018-12-03 | Synchronous bent axis type axial piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236599A (en) * | 2018-12-03 | 2019-01-18 | 广州市华欣液压有限公司 | Synchronous bent axis type axial piston pump |
| CN114607577A (en) * | 2022-03-09 | 2022-06-10 | 西安航空学院 | Symmetrical arrangement synchronous quantitative axial plunger pump and motor |
-
2018
- 2018-12-03 CN CN201822010086.2U patent/CN209385293U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236599A (en) * | 2018-12-03 | 2019-01-18 | 广州市华欣液压有限公司 | Synchronous bent axis type axial piston pump |
| CN114607577A (en) * | 2022-03-09 | 2022-06-10 | 西安航空学院 | Symmetrical arrangement synchronous quantitative axial plunger pump and motor |
| CN114607577B (en) * | 2022-03-09 | 2023-09-08 | 西安航空学院 | Symmetrically arranged synchronous quantitative axial plunger pump and motor |
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