CN202266416U - Ultra-light direct-connected gear pump - Google Patents
Ultra-light direct-connected gear pump Download PDFInfo
- Publication number
- CN202266416U CN202266416U CN2011203014385U CN201120301438U CN202266416U CN 202266416 U CN202266416 U CN 202266416U CN 2011203014385 U CN2011203014385 U CN 2011203014385U CN 201120301438 U CN201120301438 U CN 201120301438U CN 202266416 U CN202266416 U CN 202266416U
- Authority
- CN
- China
- Prior art keywords
- gear pump
- pump
- connecting body
- end cover
- front cover
- 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
Images
Landscapes
- Rotary Pumps (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model relates to an ultra-light direct-connected gear pump, and aims to solve the problems of complicated structure, complicated mounting process, a large number of parts, large volume, overweight, low transmission efficiency, high oil consumption and the like of the conventional gear pump. The ultra-light direct-connected gear pump comprises a front end cover connecting body, a pump body and a rear end cover, wherein one end of the front end cover connecting body is provided with a flange plate with a plurality of screw holes; the front end cover connecting body, the pump body and the rear cover are assembled and fixed together; a front end cover and a flange plate connecting body are cast to form an integrated structure; and the rear end cover is fixedly connected with the pump body. The ultra-light direct-connected gear pump has a simple structure, and is convenient to assemble; the total weight is reduced; and ultra-high pressure protection is carried out on the rear cover, so that the service life of the gear pump is prolonged.
Description
Technical field
The utility model relates to the direct-connected gear pump of a kind of surperlight type; Substituting a kind of of Cardan shaft drive mechanism specifically, is that the power take-off gear pump of the hydraulic systems such as lightweight structure dumping car, concrete mixer, crab, excavator of domestic and international application connects the transmission critical piece.
Background technique
The dump truck hydraulic gear pump of domestic and international application is to be connected through Cardan shaft with the transmission of power take-off at present.Its shortcoming is mainly reflected in: the original gear pump structure is complicated; Gear pump and power take-off connecting body; Problems such as tooth is used the wheel pump suspension bracket, and Cardan shaft one cover connects, and vibrations are big, installation is complicated, component are many, volume is big, weight is overweight, transmission efficiency is low, oil consumption is big.
The utility model claimant is the power take-off gear pump in the patent name of 10 applications December in 2009, and application number is 200910155258.8 patent of invention, and its main structure is to comprise front cover, rear end cover, the splayed shape pump housing and transmission connecting mechanism; Front cover and rear end cover are arranged on splayed shape pump housing two ends, and rear end cover is provided with filler opening, high pressure oil outlet and reduction valve, and reduction valve is arranged on the high pressure oil outlet; And be connected with filler opening, the amount of opening according to the variation automatic regulating valve core of pressure and flow realizes the voltage-stabilizing protection effect; Be provided with driving gear splined shaft and driven gear in the splayed shape pump housing, driving gear splined shaft and driven gear engagement, driving gear splined shaft and driven gear both sides are provided with Eight characters wearing plate; Can prevent gear wear, the driving gear splined shaft is placed in the splayed shape pump housing through bearing and stretches out front cover, and the driving shaft of front cover stretches out the hole and is provided with oil sealing; Prevent that oil spill from going out; It is characterized in that: described transmission connecting mechanism comprises the adpting flange of coaxial shaft joint cover and hollow, and adpting flange is fixedly mounted on the described front cover through securing means, and coaxial shaft joint is set in the hollow cavity of adpting flange and is set in driving shaft and driving shaft formation is in transmission connection; Power take-off and gear pump are connected as a single entity; This device has replaced existing usefulness to get sharp weapon and has connected with the universal transmission shaft flexible joint that connects through coaxial shaft joint cover and adpting flange are set, and makes that power take-off gear pump Strength Safety is more reliable, volume is littler, weight is lighter, coaxial precision is higher, it is more steady to rotate; Improve working life; But these device component are many, and the combination precision is not high, and the accumulation tolerance is big.
Summary of the invention
The purpose of the utility model will overcome present gear pump structure exactly and have complex structure; The defective that connected element is many provides a kind of and can reduce the tired tolerance of knot that connects component, improve the component combination, reduces with material, alleviates gross weight, saves material, improves the combination precision, the device in raising original gear pump working life.
The utility model provides following technological scheme for this reason: the direct-connected gear pump of surperlight type; It is characterized in that: this device comprises front cover connecting body, the pump housing and rear end cover; Front cover connecting body one end is the flange plate that is provided with several screws; The front cover connecting body is connected with pump housing assembling, and front cover and flange plate connecting body are cast into overall structure; Described rear end cover is connected with pump housing assembling.
As the further of technique scheme improved and replenish, the utility model also comprises following technical characteristics.
Described rear end cover is provided with filler opening, oil outlet one-way valve, overpressure protection valve and Du self lubrication bearing; The oil outlet one-way valve is communicated with the overpressure protection valve is whole; Be provided with driving gear splined shaft and driven gear in the pump housing; Abrasion resistance alloy Eight characters side plate is installed in driving gear splined shaft and driven gear both sides, and axle head is inserted in a Du self lubrication bearing of rear end cover behind the driving gear splined shaft, and preceding axle head is inserted in the 2nd Du self lubrication bearing of front cover connecting body.
The axis hole that goes out of described front cover connecting body press-fits gear pump oil sealing and power take-off oil sealing, and between is provided with spacer ring.
The described driving gear splined shaft inside and outside spline housing of packing into overlaps power take-off and the coaxial connecting sleeve of gear pump again.
Use the utility model can reach following beneficial effect: direct-connected gear pump front cover of the utility model surperlight type and connecting body are one; Coaxial precision is high; Simple in structure; Easy to assembly, significantly reduce component, improve the component combination the tired tolerance of knot, reduce with material, alleviate gross weight, save material, improve the combination precision, raising original gear pump working life.
Description of drawings
Fig. 1 is the direct-connected gear pump sectional view of the utility model surperlight type.
Fig. 2 is the front cover connecting body structural drawing of the utility model.
Fig. 3 is the pump body structure figure of the utility model.
Fig. 4 is the rear end cover structural drawing of the utility model.
Numbering title among the figure: 1, rear end cover, 2, the pump housing, 3, the front cover connecting body, 4, the oil outlet one-way valve; 5, ultrahigh pressure Protective valve, 6 (A), a Du self lubrication bearing, 6 (B), the 2nd Du self lubrication bearing, 7, abrasion resistance alloy Eight characters side plate; 8, driving gear splined shaft, 9, driven gear, 10, spacer ring, 11, the gear pump oil sealing; 12, power take-off oil sealing, 13, inside and outside spline housing, 14, power take-off and the coaxial connecting sleeve of gear pump, 15, filler opening.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing the utility model.
Like Fig. 1～shown in Figure 4; The utility model comprises front cover connecting body 3, rear end cover 1 and the pump housing 2; Front cover connecting body 3 one ends are the flange plate that is provided with several screws; Front cover connecting body 3 is fixedly connected with the pump housing 2 assemblings, and front cover and flange plate connecting body are cast into overall structure, and front cover connecting body 3, rear end cover 1 and the pump housing 2 are assembled into one; Rear end cover 1 is provided with filler opening 15, oil outlet one-way valve 4, overpressure protection valve 5 and Du self lubrication bearing; Oil outlet one-way valve 4 and 5 whole connections of overpressure protection valve, front cover connecting body 3, rear end cover 1, the pump housing 2, filler opening 15,5 one-tenth connectivity structures of oil outlet one-way valve 4 and overpressure protection valve are provided with driving gear splined shaft 8 and driven gear 9 in the pump housing 2; Driving gear splined shaft 8 back axle heads are inserted in a Du self lubrication bearing 6A of rear end cover 1; Preceding axle head is inserted in the 2nd Du self lubrication bearing 6B of front cover connecting body 3, and driving gear splined shaft 8 is provided with break-in gold Eight characters side plate 7 with driven gear 9 both sides, goes out axis hole and press-fits gear pump oil sealing 11 and power take-off oil sealing 12; In gear pump oil sealing 11 and the power take-off oil sealing 12 spacer ring 10 is set, spline housing 13 overlapped power take-off and the coaxial joint sleeve 14 of gear pump again inside and outside driving gear splined shaft 8 was packed into.
Be equal to the technological scheme of replacement or equivalent transformation, all belong to the protection domain that the utility model requires divided by the outer all employings of the foregoing description.
Claims (4)
1. the direct-connected gear pump of surperlight type, it is characterized in that: this device comprises front cover connecting body (3), rear end cover (1) and the pump housing (2), and front cover and connecting body are cast into overall structure; Described front cover connecting body (3), rear end cover (1) are connected with the pump housing (2) assembling.
2. the direct-connected gear pump of surperlight type as claimed in claim 1 is characterized in that: be provided with filler opening (15), oil outlet one-way valve (4), overpressure protection valve (5) and Du self lubrication bearing in the described rear end cover (1); Be provided with driving gear splined shaft (8) and driven gear (9) in the pump housing (2), abrasion resistance alloy Eight characters side plate (7) is installed at the gear two ends; Driving gear splined shaft (8) back axle head is inserted in a Du self lubrication bearing (6A) of rear end cover (1), and preceding axle head is inserted in the 2nd Du self lubrication bearing (6B) of front cover connecting body (3).
3. the direct-connected gear pump of surperlight type as claimed in claim 2 is characterized in that: the axis hole that goes out of described front cover connecting body (3) press-fits gear pump oil sealing (11) and power take-off oil sealing (12), and between is provided with spacer ring (10).
4. the direct-connected gear pump of surperlight type as claimed in claim 3 is characterized in that: the spline axle head of described driving tooth wheel pump splined shaft (8) the inside and outside spline housing (13) of packing into, overlap power take-off and the coaxial connecting sleeve of gear pump (14) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203014385U CN202266416U (en) | 2011-08-18 | 2011-08-18 | Ultra-light direct-connected gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203014385U CN202266416U (en) | 2011-08-18 | 2011-08-18 | Ultra-light direct-connected gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202266416U true CN202266416U (en) | 2012-06-06 |
Family
ID=46157214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203014385U Expired - Fee Related CN202266416U (en) | 2011-08-18 | 2011-08-18 | Ultra-light direct-connected gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202266416U (en) |
-
2011
- 2011-08-18 CN CN2011203014385U patent/CN202266416U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201538200U (en) | Driving axle for extra-heavy mine truck | |
| CN205186403U (en) | Two wheeler and frame, integrated chassis, chassis main part thereof | |
| CN102102667A (en) | Direct-connected integrated gear pump | |
| CN104228571A (en) | Chain drive power take off for hydraulic pump | |
| CN202266416U (en) | Ultra-light direct-connected gear pump | |
| CN204114073U (en) | A kind of Novel drive axle final drive casing body structure | |
| CN103590894B (en) | Attachment transmission structure | |
| CN201386896Y (en) | Forced-lubrication oil pump of perforation double drive axle | |
| CN202187824U (en) | Supporting structure of engine hydraulic pump driving device | |
| CN201982292U (en) | Directly-communicated integrated gear pump | |
| CN102094812A (en) | Power takeoff gear pump | |
| CN103629109A (en) | Side plate axial clearance compensation gear oil pump | |
| CN201599184U (en) | Power takeoff gear pump | |
| CN202579895U (en) | Minicar rear axle final drive assembly | |
| CN103629110A (en) | Dual-gear oil pump compensating axial clearance by side plates | |
| CN203318490U (en) | Integrated valve type hydraulic steering gear | |
| CN201494315U (en) | Breaking type penetrating bridge main speed reducer | |
| CN201616997U (en) | Superposed power take-off mechanism of tractor | |
| CN202007880U (en) | Driven bevel gear with differential half casing | |
| CN201739484U (en) | Lubricating system for gearbox of engineering vehicle | |
| CN102537300B (en) | Simple fixed-shaft type transmission assembly for loader | |
| CN201335136Y (en) | Hydrotransmitter | |
| CN201106669Y (en) | Hydrodynamic torque converter | |
| CN205078409U (en) | Hydraulic drive's plunger type drilling mud pump | |
| CN202946641U (en) | Road roller internal gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AOLI MOTOR CO., LTD., ZHEJIANG PROV. Free format text: FORMER OWNER: BEST DEVELOP TECHNOLOGY (ZHEJIANG) CO., LTD. Effective date: 20140724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140724 Address after: 312400 Shaoxing, Zhejiang, Shengzhou province Pu South Avenue No. 288 Patentee after: Zhejiang Aoli Electrical Machinery Stock Co., Ltd. Address before: 312400 Shaoxing, Zhejiang, Shengzhou province Pu South Avenue No. 288 Patentee before: Best Develop Technology (Zhejiang) Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Aoli Electrical Machinery Stock Co., Ltd. Assignor: Best Develop Technology (Zhejiang) Co., Ltd. Contract record no.: 2014330000241 Denomination of utility model: Ultra-light direct-connected gear pump Granted publication date: 20120606 License type: Exclusive License Record date: 20140620 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20120606 Termination date: 20160818 |