CN209741960U - Improved 220 type excavator hydraulic oil pump - Google Patents
Improved 220 type excavator hydraulic oil pump Download PDFInfo
- Publication number
- CN209741960U CN209741960U CN201920220047.7U CN201920220047U CN209741960U CN 209741960 U CN209741960 U CN 209741960U CN 201920220047 U CN201920220047 U CN 201920220047U CN 209741960 U CN209741960 U CN 209741960U
- Authority
- CN
- China
- Prior art keywords
- distribution disc
- oil distribution
- filter screen
- marriage
- rotor
- 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 - Fee Related
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 62
- 239000011229 interlayer Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses an improve 220 type excavator hydraulic oil pump, join in marriage the food tray and the right food tray is joined in marriage including casing, a left side, inside a left side that is provided with of casing joins in marriage the food tray, the right side joins in marriage food tray, stator and rotor, a left side is joined in marriage food tray and the right side and is provided with on joining in marriage one in the food tray and inhale the chamber and extrude the chamber, the contact tube on extrusion chamber and the casing switches on, install flow control valve on the contact tube, contact tube inside is provided with spacing collar and filter screen, radially is provided with the blade groove on the rotor circumference wall, and the blade on the rotor slides and sets up at the blade inslot, it is formed with the clearance to join in marriage between the hole and the epaxial periphery of food tray, the right side, the intermediate layer has been cup jointed. The utility model discloses a filter screen passes through connecting bolt and the spacing collar is connected, and the filter screen is the stainless steel filter screen, can be fine filter fluid to avoid the impurity in the fluid to damage hydraulic system.
Description
Technical Field
The utility model relates to a hydraulic oil pump technical field specifically is an improve 220 type excavator hydraulic oil pump.
Background
The hydraulic oil pump is the power supply among the hydraulic system, we will satisfy the demand of hydraulic system to pressure and flow at the hydraulic oil pump of chooseing for use, simultaneously also need fully consider the reliability, life-span, maintainability etc. so that the hydraulic oil pump of selection can be long-term operation in hydraulic system, the impurity of the fluid among the current hydraulic oil pump enters into hydraulic system easily, thereby cause hydraulic system's damage easily, and the unable fine different temperatures of adaptation of hydraulic oil pump, thereby the different operational environment of unable fine adaptation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve 220 type excavator hydraulic oil pump aims at improving the different operational environment of unable fine adaptation and the damage problem that causes hydraulic system easily.
The utility model discloses a realize like this:
An improved 220-type excavator hydraulic oil pump comprises a shell, a left oil distribution disc and a right oil distribution disc, wherein the left oil distribution disc, the right oil distribution disc, a stator and a rotor are arranged in the shell, the stator and the rotor are positioned between the left oil distribution disc and the right oil distribution disc, one of the left oil distribution disc and the right oil distribution disc is provided with a suction cavity and a pressing cavity, the suction cavity is communicated with a suction pipe on the shell, the pressing cavity is communicated with a pressing pipe on the shell, a flow regulating valve is installed on the pressing pipe, a limiting ring and a filter screen are arranged in the pressing pipe, vane grooves are radially arranged on the circumferential wall of the rotor, vanes on the rotor are arranged in the vane grooves in a sliding manner, gaps are formed between inner holes of the left oil distribution disc, the right oil distribution disc and the rotor and the outer circumferential surface of a shaft, each section of the gap is communicated along the outer circumferential surface of the shaft to, the blade bottom cavity is communicated with the shaft circumferential space, a small hole is formed in the side wall of the extrusion cavity, one end of the small hole is communicated with the extrusion cavity, an interlayer is sleeved on the outer wall of the shell, a liquid inlet pipe and a liquid outlet pipe are arranged on the interlayer, and a handle is arranged on the outer wall of the shell.
Furthermore, the filter screen passes through connecting bolt and spacing collar connection, the filter screen is the stainless steel filter screen.
Further, the liquid inlet pipe is located on the lower side of the interlayer, and the liquid outlet pipe is located on the upper side of the interlayer.
further, handle and casing structure as an organic whole, the handle upside has cup jointed the rubber sleeve.
Furthermore, the left oil distribution disc and the right oil distribution disc are a ceramic left oil distribution disc and a ceramic right oil distribution disc respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a filter screen passes through connecting bolt and the spacing collar is connected, and the filter screen is the stainless steel filter screen, can be fine filter fluid to avoid the impurity in the fluid to damage hydraulic system.
(2) The liquid inlet pipe is located on the lower side of the interlayer, the liquid outlet pipe is located on the upper side of the interlayer, and the temperature of oil can be well adjusted, so that the oil tank is suitable for different working environments.
(3) The rubber sleeve is sleeved on the upper side of the handle through the handle and the shell body, so that the equipment is convenient to carry.
(4) The left oil distribution disc and the right oil distribution disc are used for distributing the left oil distribution disc and the right oil distribution disc for the ceramic respectively, and the service life of the ceramic oil distribution disc is longer than that of the traditional material.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of a hydraulic oil pump of an excavator of the first embodiment of the present invention, which is an improved 220 type;
Fig. 2 is a schematic diagram of a filter screen of the improved 220-type excavator hydraulic oil pump shown in fig. 1.
In the figure: 1. a housing; 2. a shaft circumferential gap; 3. a handle; 4. a rubber sleeve; 5. a right oil distribution disc; 6. a suction tube; 7. an interlayer; 8. a liquid outlet pipe; 9. a shaft; 10. a left oil distribution disc; 11. a blade bottom chamber; 12. a blade; 13. a pressing-out cavity; 14. a filter screen; 15. pressing a pipe out; 16. a flow regulating valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment 1, referring to fig. 1 and 2, an improved 220-type excavator hydraulic oil pump includes a housing 1, a left oil distribution disc 10 and a right oil distribution disc 5, the housing 1 is internally provided with the left oil distribution disc 10, the right oil distribution disc 5, a stator and a rotor, the stator and the rotor are positioned between the left oil distribution disc 10 and the right oil distribution disc 5, one of the left oil distribution disc 10 and the right oil distribution disc 5 is provided with a suction chamber and a pressing chamber 13, the suction chamber is communicated with a suction pipe 6 on the housing 1, the pressing chamber 13 is communicated with a pressing pipe 15 on the housing 1, the pressing pipe 15 is provided with a flow regulating valve 16, the pressing pipe 15 is internally provided with a spacing ring and a filter screen 14, the rotor circumferential wall is radially provided with vane grooves, vanes 12 on the rotor are slidably arranged in the vane grooves, gaps are formed between inner holes of the left oil distribution disc 10, the right oil distribution disc 5 and the rotor and the outer circumferential surface of a shaft 9, and gaps are communicated along, the root of the blade groove is provided with a blade bottom cavity 11, the blade bottom cavity 11 is communicated with the shaft circumferential space, the side wall of the extrusion cavity is provided with a small hole, one end of the small hole is communicated with the extrusion cavity 13, the outer wall of the shell 1 is sleeved with an interlayer 7, the interlayer 7 is provided with a liquid inlet pipe and a liquid outlet pipe 8, the outer wall of the shell 1 is provided with a handle 3, when the device is used, when the device absorbs oil and discharges oil, the blades 12 are extended and retracted in a reciprocating mode, each blade bottom cavity 11 forms a small pump, fluid leaking to the shaft circumferential space 2 from two end faces of a rotor is sucked in the blade bottom cavity 11 in a suction area through a channel and is extruded to a pump outlet from the blade bottom cavity in the extrusion area through the small hole, the filter screen 14 can filter oil, impurities in the oil are prevented from damaging a hydraulic system, a medium is introduced into the liquid inlet pipe arranged on the interlayer, avoid fluid temperature to influence the normal use of this equipment, handle 3 can be fine make things convenient for carrying of this equipment.
Referring to fig. 1, the filter screen 14 is connected with the limiting ring through a connecting bolt, and the filter screen 14 is a stainless steel filter screen, so that oil can be well filtered, and impurities in the oil are prevented from damaging a hydraulic system.
Referring to fig. 1, the liquid inlet pipe is located on the lower side of the interlayer 7, the liquid outlet pipe 8 is located on the upper side of the interlayer 7, and the temperature of oil can be well adjusted, so that the oil tank is suitable for different working environments.
Referring to fig. 1, the handle 3 and the shell 1 are of an integral structure, and the rubber sleeve 4 is sleeved on the upper side of the handle 3, so that the equipment is convenient to carry.
Referring to fig. 1, the left oil distribution disc 10 and the right oil distribution disc 5 are respectively a ceramic left oil distribution disc and a ceramic right oil distribution disc, and have longer service life compared with the conventional material.
The utility model discloses a theory of operation is: during the use, when this equipment oil absorption and the action of producing oil, the reciprocal action of stretching out and retracting of each blade 12, make every blade bottom cavity 11 form a little pump, will reveal the fluid in shaft week space 2 from rotor both ends face and inhale at suction zone blade bottom cavity 11 through the passageway, and from extrusion zone blade bottom cavity through aperture extrusion to pump export, fluid that filter screen 14 can be right filters, avoid the impurity in the fluid to damage hydraulic system, the leading-in medium of feed liquor pipe that sets up on the intermediate layer 7, the temperature of regulation fluid that can be fine, avoid fluid temperature to influence the normal use of this equipment, handle 3 can be fine makes things convenient for carrying of this equipment.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 an improve 220 type excavator hydraulic oil pump, includes casing (1), left side and joins in marriage oil pan (10) and right side and join in marriage oil pan (5), its characterized in that: the oil distribution device is characterized in that a left oil distribution disc (10), a right oil distribution disc (5), a stator and a rotor are arranged in the shell (1), the stator and the rotor are positioned between the left oil distribution disc (10) and the right oil distribution disc (5), one of the left oil distribution disc (10) and the right oil distribution disc (5) is provided with a suction cavity and a pressing cavity (13), the suction cavity is communicated with a suction pipe (6) on the shell (1), the pressing cavity (13) is communicated with a pressing pipe (15) on the shell (1), the pressing pipe (15) is provided with a flow regulating valve (16), a limiting ring and a filter screen (14) are arranged in the pressing pipe (15), a blade groove is radially arranged on the circumferential wall of the rotor, a blade (12) on the rotor is arranged in the blade groove in a sliding manner, and gaps are formed between inner holes of the left oil distribution disc (10), the right oil distribution disc (5) and the rotor and the outer, each section clearance constitutes axle week space (2) along the outer periphery intercommunication of axle, and the root in blade groove is provided with blade bottom cavity (11), blade bottom cavity (11) and axle week space intercommunication are provided with the aperture on the lateral wall in extrusion chamber, and the one end of aperture switches on with extrusion chamber (13), intermediate layer (7) have been cup jointed on casing (1) outer wall, be provided with feed liquor pipe and drain pipe (8) on intermediate layer (7), be provided with handle (3) on casing (1) outer wall.
2. The improved 220 type excavator hydraulic oil pump as claimed in claim 1, wherein the filter screen (14) is connected with a limiting ring through a connecting bolt, and the filter screen (14) is a stainless steel filter screen.
3. An improved 220 th type excavator hydraulic oil pump according to claim 1, characterized in that the liquid inlet pipe is located at the lower side of the interlayer (7), and the liquid outlet pipe (8) is located at the upper side of the interlayer (7).
4. The improved 220 type excavator hydraulic oil pump as claimed in claim 1, wherein the handle (3) and the shell (1) are of an integral structure, and a rubber sleeve (4) is sleeved on the upper side of the handle (3).
5. An improved 220-type excavator hydraulic oil pump as claimed in claim 1, wherein said left oil distribution disc (10) and right oil distribution disc (5) are a ceramic left oil distribution disc and a ceramic right oil distribution disc, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220047.7U CN209741960U (en) | 2019-02-21 | 2019-02-21 | Improved 220 type excavator hydraulic oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220047.7U CN209741960U (en) | 2019-02-21 | 2019-02-21 | Improved 220 type excavator hydraulic oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209741960U true CN209741960U (en) | 2019-12-06 |
Family
ID=68707466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920220047.7U Expired - Fee Related CN209741960U (en) | 2019-02-21 | 2019-02-21 | Improved 220 type excavator hydraulic oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209741960U (en) |
-
2019
- 2019-02-21 CN CN201920220047.7U patent/CN209741960U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |