CN215213788U - Plunger transmission shaft for swash plate variable high-pressure plunger pump - Google Patents
Plunger transmission shaft for swash plate variable high-pressure plunger pump Download PDFInfo
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- CN215213788U CN215213788U CN202120907848.8U CN202120907848U CN215213788U CN 215213788 U CN215213788 U CN 215213788U CN 202120907848 U CN202120907848 U CN 202120907848U CN 215213788 U CN215213788 U CN 215213788U
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- transmission shaft
- swash plate
- variable high
- plunger
- plunger pump
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Abstract
The utility model discloses a swash plate variable high pressure plunger pump is with plunger transmission shaft, including the transmission central siphon, the one end of transmission central siphon passes through the fixed welding of connecting rod and has the oil blanket, one side fixed mounting that the transmission central siphon was kept away from to the oil blanket lid has the oil blanket, one side fixed mounting that the oil blanket was keeping away from the oil blanket has the slip spline groove, the slip spline groove is equipped with the expansion sleeve in the one end of keeping away from the oil blanket, the expansion sleeve has the connecting piece in one side fixed welding of keeping away from the oil blanket, a pair of spout has been seted up to the one end of keeping away from the expansion sleeve to the connecting piece, the connecting piece installs a pair of locating part in the equal fixed welding of one end that is close to the connecting piece through the spout and has the fixture block, the fixture block is in the inside of spout, the inside of spout all is equipped with the installation piece, the equal fixed mounting is in the one end of keeping away from the fixture block. This kind of plunger transmission shaft for swash plate variable high pressure plunger pump, simple structure is reasonable, and easy operation is convenient, can effectively improve the availability factor of plunger transmission shaft for swash plate variable high pressure plunger pump, has higher practical value.
Description
Technical Field
The utility model relates to a plunger pump technical field specifically is a plunger transmission shaft for swash plate variable high pressure plunger pump.
Background
The plunger pump is an important device of a hydraulic system, and realizes oil absorption and oil pressing by changing the volume of a sealed working cavity through the reciprocating motion of a plunger in a cylinder body. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow needing regulation, such as hydraulic machines, engineering machinery and ships. Plunger pumps are generally classified into single plunger pumps, horizontal plunger pumps, axial plunger pumps, and radial plunger pumps. The inclined disc type axial plunger pump consists of an inclined disc, a plunger, a combined body, a valve plate and a transmission shaft, wherein an inclined angle gamma is formed between a cylinder body and the inclined disc. The plungers are uniformly distributed in the cylinder body, and the heads of the plungers are tightly pressed on the swash plate through a spring return mechanism and the action of oil pressure. The transmission shaft drives the cylinder body to rotate through a spline, and the swash plate and the port plate are fixed. When the transmission shaft can rotate in the anticlockwise direction (seen from left to right), the plunger not only rotates along with the cylinder body, but also makes reciprocating linear motion in the plunger hole of the cylinder body
The existing plunger transmission shaft for the swash plate variable high-pressure plunger pump is often balanced by welding an iron block counterweight outside a transmission shaft spline fork, and has the defects of material waste, inconvenience and low accuracy. Therefore, the plunger transmission shaft for the swash plate variable high-pressure plunger pump is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a plunger transmission shaft for swash plate variable high pressure plunger pump, including transmission shaft pipe, transmission shaft pipe's one end has the oil blanket lid through connecting rod fixed welding, one side fixed mounting that transmission shaft pipe was kept away from to the oil blanket lid has the oil blanket, the oil blanket has the slip spline groove at one side fixed mounting who keeps away from the oil blanket lid, the slip spline groove is equipped with the expansion sleeve in the one end of keeping away from the oil blanket, the expansion sleeve has the connecting piece in one side fixed welding who keeps away from the oil blanket, a pair of spout has been seted up at the one end of keeping away from the expansion sleeve to the connecting piece, a pair of locating part is installed through the spout to the connecting piece.
As a preferred technical scheme of the utility model, the locating part has the fixture block in the equal fixed welding of one end that is close to the connecting piece, the fixture block is in the inside of spout.
As a preferred technical scheme of the utility model, the locating part has the fixture block in the equal fixed welding of one end that is close to the connecting piece, the fixture block is in the inside of spout.
As an optimal technical scheme of the utility model, the fixture block all is equipped with the spring in the one side that is close to the installation piece, the spring all is connected with the installation piece in the one end of keeping away from the fixture block.
As an optimal technical scheme of the utility model, the telescopic sleeve is equipped with the fuel filler neck in the one end of keeping away from the sliding spline groove.
As an optimal technical scheme of the utility model, be equipped with a plurality of lugs on the transmission shaft pipe, a plurality of lugs all are in same horizontal plane.
As an optimal technical scheme of the utility model, transmission shaft pipe, oil seal cover, rope cover and connecting piece are the alloy material, just the alloy material is bismuth cadmium alloy.
As a preferred technical scheme of the utility model, the equal fixed mounting in both sides of fixture block has the stopper, the inside both sides of spout all are equipped with the spacing groove, the stopper is in the inside of spacing groove.
The utility model has the advantages that:
1. according to the plunger transmission shaft for the swash plate variable high-pressure plunger pump, the transmission shaft can be conveniently installed when being connected with a machine through the arrangement of the clamping blocks, the transmission shaft can be more stable, the practicability of the device is improved, the spring can be extruded to smoothly enter an air inlet installation groove when the transmission shaft is installed through the arrangement of the installation blocks and the spring, and after the transmission shaft enters the air inlet installation groove, the spring is not forced to be bounced open, and the transmission shaft is clamped;
2. according to the plunger transmission shaft for the swash plate variable high-pressure plunger pump, the clamping block can rebound smoothly by arranging the spring, the transmission shaft can be connected with a machine smoothly, the flexibility of the device is improved, and the transmission shaft has the advantages of convenience in adjustment and high balance precision after adjustment by arranging the lug;
3. according to the plunger transmission shaft for the swash plate variable high-pressure plunger pump, the fixture block can be prevented from sliding down by arranging the limiting block and the limiting groove, and the durability of the device is improved; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation is convenient, can effectively improve the availability factor of plunger transmission shaft for sloping cam plate variable high pressure plunger pump, has higher practical value.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a perspective view of a plunger transmission shaft for a swash plate variable high-pressure plunger pump according to the present invention;
fig. 2 is a block closing state perspective view of a plunger transmission shaft for a swash plate variable high-pressure plunger pump according to the present invention;
fig. 3 is a sectional view of a position limiting part of a plunger transmission shaft for a swash plate variable high-pressure plunger pump.
In the figure: 1. a driveshaft tube; 2. sealing the oil cover; 3. oil sealing; 4. a sliding spline groove; 5. a telescopic sleeve; 6. a connecting member; 7. a limiting member; 8. a chute; 9. a clamping block; 10. a spring; 11. a bump; 12. a fuel filler nozzle; 13. and (7) installing the block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, the utility model relates to a plunger transmission shaft for swash plate variable high pressure plunger pump, including transmission shaft pipe, the one end of transmission shaft pipe 1 has oil blanket 2 through connecting rod fixed welding, one side fixed mounting that transmission shaft pipe 1 was kept away from to oil blanket 2 has oil blanket 3, one side fixed mounting that oil blanket 3 was keeping away from oil blanket 2 has sliding spline groove 4, sliding spline groove 4 is equipped with expansion sleeve 5 in the one end of keeping away from oil blanket 3, one side fixed welding that oil blanket 3 was kept away from to expansion sleeve 5 has connecting piece 6, a pair of spout 8 has been seted up in the one end of keeping away from expansion sleeve 5 to connecting piece 6, a pair of locating part 7 is installed through spout 8 to connecting piece 6.
Wherein, locating part 7 all fixed welding has fixture block 9 in the one end that is close to connecting piece 6, fixture block 9 can make the transmission shaft convenient to install when being connected with the machine through setting up fixture block 9 in the inside of spout 8, and can make it more stable, improves the practicality of device.
Wherein, the inside of spout 8 all is equipped with installation piece 13, the equal fixed mounting of installation piece 13 is in the one end of keeping away from fixture block 9, can make its mounting groove that admits air smoothly with the spring extrusion when letting the transmission shaft install through setting up installation piece 13 and spring 10, and the spring does not receive the atress to bounce open after the entering, lives the transmission shaft block.
Wherein, fixture block 9 all is equipped with spring 10 in the one side that is close to installation piece 13, spring 10 all is connected with installation piece 13 in the one end of keeping away from fixture block 9, can make fixture block 9 kick-back smoothly through setting up spring 10, makes the transmission shaft be connected with the machine smoothly, improves the flexibility of device.
Wherein, the telescopic sleeve 5 is provided with an oil filling nozzle 12 at one end far away from the sliding spline groove 4.
Wherein, be equipped with a plurality of lugs 11 on the transmission shaft pipe 1, a plurality of lugs 11 all are in same horizontal plane, make the transmission shaft have the advantage that be convenient for adjust, the balanced precision is high after adjusting through setting up lug 11.
The transmission shaft tube 1, the oil seal cover 2, the rope sleeve 5 and the connecting piece 6 are all made of alloy materials, and the alloy materials are bismuth-cadmium alloys.
Wherein, the equal fixed mounting in both sides of fixture block 9 has the stopper, the inside both sides of spout 8 all are equipped with the spacing groove, the stopper can prevent fixture block 9 landing through setting up stopper and spacing groove in the inside of spacing groove, improves the durability of device.
The working principle is as follows: when in use, a user is required to check whether the limiting piece is loosened, then the transmission shaft is connected with a machine by pressing the limiting piece 7, the plunger transmission shaft for the swash plate variable high-pressure plunger pump can be conveniently installed when being connected with a machine and can be more stable by arranging the clamping block 9, the practicability of the device is improved, the installation block 13 and the spring 10 can ensure that the spring is extruded to smoothly enter the air inlet installation groove when the transmission shaft is installed, the spring is not forced to be bounced to open after entering, the transmission shaft is clamped, the spring 10 can make the clamping block 9 rebound smoothly, the transmission shaft can be connected with a machine smoothly, the flexibility of the device is improved, the transmission shaft has the advantages of convenient adjustment and high balance precision after adjustment by arranging the convex block 11, the fixture block 9 can be prevented from sliding off by arranging the limiting block and the limiting groove, so that the durability of the device is improved; the utility model has the advantages of simple and reasonable structure, the modern design, easy operation is convenient, can effectively improve the availability factor of plunger transmission shaft for sloping cam plate variable high pressure plunger pump, has higher practical value.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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 (8)
1. The utility model provides a swash plate variable high pressure plunger pump is with plunger transmission shaft, includes transmission shaft pipe (1), its characterized in that, the one end of transmission shaft pipe (1) is passed through connecting rod fixed welding and is had oil seal lid (2), one side fixed mounting who keeps away from transmission shaft pipe (1) oil blanket (3) is in oil seal lid (2) is being kept away from one side fixed mounting of oil seal lid (3) has slip spline groove (4), slip spline groove (4) are equipped with expansion sleeve (5) in the one end of keeping away from oil blanket (3), one side fixed welding that oil blanket (3) were kept away from in expansion sleeve (5) has connecting piece (6), a pair of spout (8) have been seted up in the one end of keeping away from expansion sleeve (5) in connecting piece (6), a pair of locating part (7) is installed through spout (8) in connecting piece (6).
2. The plunger transmission shaft for the swash plate variable high pressure plunger pump according to claim 1, wherein the limiting piece (7) is fixedly welded with a clamping block (9) at one end close to the connecting piece (6), and the clamping block (9) is arranged inside the sliding groove (8).
3. The plunger transmission shaft for the swash plate variable high-pressure plunger pump according to claim 1, wherein the sliding grooves (8) are internally provided with mounting blocks (13), and the mounting blocks (13) are fixedly mounted at one end far away from the clamping block (9).
4. The plunger transmission shaft for the swash plate variable high pressure plunger pump according to claim 1, wherein the fixture block (9) is provided with a spring (10) on one side close to the mounting block (13), and the spring (10) is connected with the mounting block (13) on one end far away from the fixture block (9).
5. Plunger drive shaft for a swash plate variable high pressure plunger pump according to claim 1, characterized in that the telescope tube (5) is provided with a filler neck (12) at the end remote from the sliding spline groove (4).
6. The plunger transmission shaft for the swash plate variable high pressure plunger pump according to claim 1, wherein the transmission shaft tube (1) is provided with a plurality of lugs (11), and the lugs (11) are all in the same horizontal plane.
7. The plunger transmission shaft for the swash plate variable high-pressure plunger pump according to claim 1, wherein the transmission shaft tube (1), the oil seal cover (2), the rope sleeve (5) and the connecting piece (6) are all made of alloy materials, and the alloy materials are bismuth-cadmium alloys.
8. The plunger transmission shaft for the swash plate variable high-pressure plunger pump according to claim 1, wherein a limiting block is fixedly mounted on each of two sides of the clamping block (9), limiting grooves are formed in each of two inner sides of the sliding groove (8), and the limiting blocks are arranged in the limiting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907848.8U CN215213788U (en) | 2021-04-29 | 2021-04-29 | Plunger transmission shaft for swash plate variable high-pressure plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120907848.8U CN215213788U (en) | 2021-04-29 | 2021-04-29 | Plunger transmission shaft for swash plate variable high-pressure plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215213788U true CN215213788U (en) | 2021-12-17 |
Family
ID=79447625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120907848.8U Active CN215213788U (en) | 2021-04-29 | 2021-04-29 | Plunger transmission shaft for swash plate variable high-pressure plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215213788U (en) |
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2021
- 2021-04-29 CN CN202120907848.8U patent/CN215213788U/en active Active
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