CN220869635U - Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure - Google Patents
Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure Download PDFInfo
- Publication number
- CN220869635U CN220869635U CN202321815005.0U CN202321815005U CN220869635U CN 220869635 U CN220869635 U CN 220869635U CN 202321815005 U CN202321815005 U CN 202321815005U CN 220869635 U CN220869635 U CN 220869635U
- Authority
- CN
- China
- Prior art keywords
- cast iron
- copper alloy
- gear
- seat ring
- sintered copper
- 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.)
- Active
Links
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 55
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 53
- 241000357293 Leptobrama muelleri Species 0.000 title claims abstract description 38
- 238000007667 floating Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 57
- 238000009434 installation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Abstract
The gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double floating structure comprises a driving rotating shaft and a driven rotating shaft, wherein the driving rotating shaft and the driven rotating shaft are respectively provided with a driving gear and a driven gear, the driving gear is meshed with the driven gear, any one side of the driving gear and any one side of the driven gear are sleeved with the steel back sintered copper alloy side plate on the driving rotating shaft and the driven rotating shaft, the other side of the steel back sintered copper alloy side plate is sleeved with the integral cast iron seat ring on the driving rotating shaft and the driven rotating shaft, and the other side of the integral cast iron seat ring is sleeved with a pump cover on the driving rotating shaft and the driven rotating shaft.
Description
Technical Field
The utility model relates to the technical field of gear pumps, in particular to a gear pump integral cast iron seat ring and a steel back sintered copper alloy side plate double-floating structure.
Background
When the gear pump adopts cast iron seat ring structure, its seat ring structure is split type, is combined into a 8 font structure seat ring by 2 big semicircle seat rings promptly, and the gear pump during operation just has following problem like this:
1. The key size that single big semicircle type seat ring part processing needs to control is many, and two big semicircle type seat rings equipment size chain links are many, increase the cooperation link, and the gear pump during operation produces the bearing beat to influence the meshing state and the driven stationarity of master-slave gear, still can lead to pump body gear hole to sweep the thorax inhomogeneous.
2. The joint part of the two large semicircular seat rings in the plane is provided with a gap in the assembly and work, so that the internal leakage of the gear pump can be increased.
3. The 3-shaped sealing structural member at the joint of the gaps of the two large semicircular seat rings and the gaps has relative movement, so that the service life of the 3-shaped sealing member can be reduced, and the volumetric efficiency and the service life of the gear pump can be reduced due to the problems.
Therefore, in order to solve the deficiencies of the prior art, it is necessary to provide a gear pump integral cast iron seat ring and a steel back sintered copper alloy side plate dual-floating structure.
Disclosure of utility model
The gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure is formed by a 3-shaped sealing piece, a special-shaped sealing piece, a steel back sintered copper alloy side plate, an integral cast iron seat ring and a pump cover, and is simple in processing and assembling process, high in precision and easy to control, small in master-slave gear meshing error, stable in transmission, small in internal leakage and high in working flow, and the gear pump of the integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure improves the stress and abrasion states of a pump body, a master-slave gear and the sealing piece, and improves the volume efficiency and the service life of the whole pump.
The above object of the present utility model is achieved by the following means.
The utility model provides a gear pump integral cast iron seat circle and two floating structures of steel backing sintered copper alloy curb plate, including initiative pivot and driven shaft, install driving gear and driven gear in initiative pivot and the driven shaft respectively, driving gear meshes with driven gear mutually, arbitrary one side of driving gear and driven gear cup joints the installation steel backing sintered copper alloy curb plate in initiative pivot and driven shaft, the opposite side of steel backing sintered copper alloy curb plate cup joints the installation integral cast iron seat circle in initiative pivot and driven shaft, the opposite side of integral cast iron seat circle cup joints the installation pump cover in initiative pivot and driven shaft, connect between pump cover and the integral cast iron seat circle and install 3 word type sealing member and dysmorphism sealing member.
Specifically, the integral cast iron seat ring comprises a 8-shaped structure seat ring, a main bearing hole and a bearing hole are arranged on the 8-shaped structure seat ring, 3-shaped sealing grooves are arranged on the 8-shaped structure seat ring outside the main bearing hole and the bearing hole, and a pressure balance groove A and a pressure balance groove B are respectively arranged on two sides of the 8-shaped structure seat ring.
Preferably, the pump cover is provided with a 3-shaped and semi-elliptic sealing groove, a 3-shaped sealing piece is arranged between the 3-shaped and semi-elliptic sealing groove and the 3-shaped sealing groove, and a special-shaped sealing piece is also arranged in the 3-shaped and semi-elliptic sealing groove.
Specifically, the pressure balance groove A is attached to the 3-shaped sealing groove.
Further, one side of the steel back sintered copper alloy side plate, which is close to the driving gear and the driven gear, is provided with a copper alloy surface.
The gear pump with the integrated cast iron seat ring and the steel back sintered copper alloy side plate double floating structures is formed by the 3-shaped sealing piece, the special-shaped sealing piece, the steel back sintered copper alloy side plate, the integrated cast iron seat ring and the steel back sintered copper alloy side plate double floating structures, the 8-shaped integrated cast iron seat ring is adopted, the machining and assembling processes are simple, the precision is high, the control is easy, the seat ring structure ensures that the meshing error of a main gear and a sub gear is small, the transmission is stable, the internal leakage is small, the working flow is high, the stress and the abrasion states of a pump body, the main gear and the sealing piece are improved, and the volumetric efficiency and the service life of the whole pump are improved.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic side cross-sectional view of a dual floating structure of a gear pump integral cast iron race and a steel back sintered copper alloy side plate of the present utility model.
FIG. 2 is a schematic end view of the side of the 8-shaped structural race of the dual floating structure of the integral cast iron race and the steel back sintered copper alloy side plate of the gear pump of the present utility model, which is close to the pump cover.
Fig. 3 is an end view of the 8-shaped structure race of the gear pump integral cast iron race and the steel back sintered copper alloy side plate double floating structure of the utility model, near the side of the steel back sintered copper alloy side plate.
Fig. 4 is an end view of a steel back sintered copper alloy side plate of a double floating structure of an integral cast iron seat ring and a steel back sintered copper alloy side plate of a gear pump, which is close to one side of a seat ring with a 8-shaped structure.
Fig. 5 is an end view of a steel back sintered copper alloy side plate of a double floating structure of an integral cast iron race and a steel back sintered copper alloy side plate of a gear pump of the present utility model, near one side of a driving gear and a driven gear.
FIG. 6 is a schematic end view of the side of the pump cover of the dual floating structure of the side plate of the sintered copper alloy steel back plate of the integral cast iron race of the gear pump of the present utility model, which is adjacent to the 8-shaped structure race.
From fig. 1 to 6, it includes:
1. a driving rotating shaft;
2. a driven rotating shaft;
3. a drive gear;
4. a driven gear;
5. a steel back sintering copper alloy side plate;
6. an integral cast iron race;
61. 8-shaped structure seat rings, 62, main bearing holes, 63, bearing holes, 64, 3-shaped sealing grooves, 65, pressure balance grooves A,66 and pressure balance grooves B;
7. a pump cover;
71. 3-shaped semi-elliptical sealing grooves are formed;
8. A 3-shaped seal;
9. A profiled seal;
10. Copper alloy surface.
Detailed Description
The utility model will be further described with reference to the following examples.
Example 1.
As shown in fig. 1-6, the gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure comprises a driving rotating shaft 1 and a driven rotating shaft 2, wherein a driving gear 3 and a driven gear 4 are respectively arranged on the driving rotating shaft 1 and the driven rotating shaft 2, the driving gear 3 is meshed with the driven gear 4, any one side of the driving gear 3 and any one side of the driven gear 4 are sleeved with the steel back sintered copper alloy side plate 5 on the driving rotating shaft 1 and the driven rotating shaft 2, the other side of the steel back sintered copper alloy side plate 5 is sleeved with the integral cast iron 6 on the driving rotating shaft 1 and the driven rotating shaft 2, the other side of the integral cast iron seat ring 6 is sleeved with a pump cover 7 on the driving rotating shaft 1 and the driven rotating shaft 2, and a 3-shaped sealing element 8 and a special-shaped sealing element 9 are connected and arranged between the pump cover 7 and the cast iron integral seat ring 6.
The application is used in a gear pump, the split type cast iron race in the prior art is improved, the rotation of a driving gear 3 and a driven gear 4 is driven by the rotation of a driving rotating shaft 1, the rotation of a driven rotating shaft 2 is driven, a steel back sintered copper alloy side plate 5 and the driving rotating shaft 1 are closely arranged on one side of the driving gear 3 and one side of the driven gear 4, the wear resistance of the gear pump is enhanced, then the bearing deflection generated when the gear pump works due to the fact that two large semicircular race assembly size links are multiple is avoided through the integral cast iron race 6, the meshing state and the transmission stability of the main gear and the auxiliary gear are affected, meanwhile, the integral cast iron race 6 avoids the problem that the internal leakage of the gear pump is increased due to the fact that gaps exist in the split type cast iron race, a 3-shaped sealing piece 8 and a special-shaped sealing piece 9 are adopted at the joint of the integral cast iron race 6 and a pump cover 7, a high pressure area is formed in the integral cast iron race 6, meanwhile, the gap does not exist between the integral cast iron race 6, the 3-shaped sealing piece 8 and the gap are prevented from relatively moving, the phenomenon that the 3-shaped sealing piece and the special-shaped sealing piece 9 are broken, the 3-shaped sealing piece, the special-shaped sealing piece 9, the special-shaped copper alloy sealing piece 9, the integral pump back sealing piece 5, the integral pump 6, the whole copper alloy 6 and the whole pump cover 6 and the whole sintered copper alloy side plate and the whole side plate are sintered, and the steel alloy, and the whole bearing ring, and the bearing ring are improved in the wear state, and the overall, and the bearing structure.
The integral cast iron seat ring 6 comprises a 8-shaped structure seat ring 61,8, a main bearing hole 62 and a bearing hole 63 are arranged on the 8-shaped structure seat ring 61, 3-shaped sealing grooves 64 are arranged on the outer parts of the main bearing hole 62 and the bearing hole 63 on the 8-shaped structure seat ring 61, and a pressure balance groove A65 and a pressure balance groove B66 are respectively arranged on two sides of the 8-shaped structure seat ring 61.
The integral cast iron seat ring 6 avoids the installation gap of the split cast iron seat ring through the integral molding of the 8-shaped structure seat ring 61, the 3-shaped sealing groove is used for placing the 3-shaped sealing piece, the high-low pressure area is isolated and used for double floating of the seat ring and the side plates, so that the gear pump is guaranteed to be in an optimal state in the axial clearance between the gear end face and the side plates during working, the minimum internal leakage of the end face is guaranteed, the minimum friction of the gear end face is guaranteed, the main bearing hole 62 and the bearing hole 63 are subjected to one-time clamping and machining forming, the center distance dimension control precision is high, and the gear is used for placing the bearing and supporting the driving rotating shaft 1 and the driven rotating shaft 2, so that very high transmission precision can be achieved.
The pump cover 7 is provided with a 3-shaped and semi-elliptic sealing groove 71,3, a 3-shaped sealing piece 8 is arranged between the 3-shaped and semi-elliptic sealing groove 71 and the 3-shaped sealing groove 64, and a special-shaped sealing piece 9 is also arranged in the 3-shaped and semi-elliptic sealing groove 71.
The 3-shaped semi-elliptic sealing groove is used for placing the special-shaped sealing piece 9, and a high-pressure area is formed in the special-shaped sealing piece and used for balancing the axial stress of the integral cast iron seat ring 6.
The pressure balancing groove A65 is attached to the 3-shaped sealing groove 64, so that the axial stress effect of the high-pressure area balancing integral cast iron seat ring 6 is better.
The side of the steel back sintered copper alloy side plate 5, which is close to the driving gear 3 and the driven gear 4, is provided with a copper alloy surface 10.
By adopting the friction between the copper alloy surface 10 and the gear end surface, the wear resistance of the copper alloy is better, and the service life of the double floating structure of the gear pump integral cast iron seat ring 6 and the steel back sintered copper alloy side plate 5 is prolonged.
The gear pump with the double floating structures of the integral cast iron seat ring 6 and the steel back sintered copper alloy side plate 5 is formed by the 3-shaped sealing piece, the special-shaped sealing piece 9, the steel back sintered copper alloy side plate 5, the integral cast iron seat ring 6 and the steel back sintered copper alloy side plate 5, the integral cast iron seat ring 6 with 8-shaped single body is adopted, the processing and assembling processes are simple, the precision is high and the control is easy, the seat ring structure ensures small meshing error of a main gear and a slave gear, the transmission is stable, the internal leakage is small, the working flow is high, and the stress and the abrasion states of a pump body, the main gear and the sealing piece are improved, and the volumetric efficiency and the service life of the whole pump are improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. Gear pump integral cast iron seat circle and steel backing sintered copper alloy curb plate double floating structure, its characterized in that: including initiative pivot and driven shaft, initiative pivot with install driving gear and driven gear in the driven shaft respectively, the driving gear with driven gear meshes mutually, the driving gear with arbitrary one side of driven gear is in the initiative pivot with cup joint the installation steel backing sintered copper alloy curb plate in the driven shaft, the opposite side of steel backing sintered copper alloy curb plate is in the initiative pivot with cup joint the installation in the driven shaft monolithic cast iron seat circle, the opposite side of monolithic cast iron seat circle is in the initiative pivot with cup joint the installation pump cover in the driven shaft, the pump cover with connect between the monolithic cast iron seat circle and install 3 word type sealing member and dysmorphism sealing member.
2. The gear pump integral cast iron race and steel back sintered copper alloy side plate double-floating structure according to claim 1, characterized in that: the integral cast iron seat ring comprises a 8-shaped structure seat ring, a main bearing hole and a bearing hole are formed in the 8-shaped structure seat ring, 3-shaped sealing grooves are formed in the 8-shaped structure seat ring from the outside of the bearing hole, and a pressure balance groove A and a pressure balance groove B are respectively formed in two sides of the 8-shaped structure seat ring.
3. The gear pump integral cast iron race and steel back sintered copper alloy side plate double-floating structure according to claim 2, characterized in that: the pump cover is provided with a 3-shaped half-elliptic sealing groove, a 3-shaped sealing piece is arranged between the 3-shaped half-elliptic sealing groove and the 3-shaped sealing groove, and the special-shaped sealing piece is also arranged in the 3-shaped half-elliptic sealing groove.
4. The gear pump integral cast iron race and steel back sintered copper alloy side plate double-floating structure according to claim 3, characterized in that: and the pressure balance groove A is attached to the 3-shaped sealing groove.
5. The gear pump integral cast iron race and steel back sintered copper alloy side plate double-floating structure according to claim 1, characterized in that: and one side of the steel back sintered copper alloy side plate, which is close to the driving gear and the driven gear, is provided with a copper alloy surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815005.0U CN220869635U (en) | 2023-07-11 | 2023-07-11 | Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815005.0U CN220869635U (en) | 2023-07-11 | 2023-07-11 | Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869635U true CN220869635U (en) | 2024-04-30 |
Family
ID=90805663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815005.0U Active CN220869635U (en) | 2023-07-11 | 2023-07-11 | Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869635U (en) |
-
2023
- 2023-07-11 CN CN202321815005.0U patent/CN220869635U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201396273Y (en) | Novel ultra-high pressure gear oil pump | |
| CN107725357A (en) | A kind of crescent gear pump suitable for Water hydraulics | |
| CN220869635U (en) | Gear pump integral cast iron seat ring and steel back sintered copper alloy side plate double-floating structure | |
| CN112431756A (en) | Sealing structure of duplex gear pump with clearance compensation function | |
| CN211370715U (en) | Gear pump with axial clearance compensation device | |
| CN201827069U (en) | Balanced type internal-gearing gear pump | |
| CN101984257B (en) | Balanced type crescent seal gear pump | |
| CN107269520B (en) | Magnetic compensation floating side plate sub-assembly | |
| CN214036093U (en) | Sealing structure of duplex gear pump with clearance compensation function | |
| CN114934886A (en) | Ultrahigh-pressure high-speed swash plate type axial plunger variable displacement pump | |
| CN109441709B (en) | Compact type large-torque anti-pollution gear hydraulic motor | |
| CN210770057U (en) | Novel planetary reducer for DELTA robot | |
| CN202746192U (en) | Front cover connecting type arc spiral gear pump | |
| CN201723360U (en) | No-heeling moment automatic compensation type high-pressure oil distributing mechanism | |
| CN111120238A (en) | Floating transmission mechanism and micropump | |
| CN201232675Y (en) | Bidirectional gear motor | |
| CN205446430U (en) | Antifriction bearing structure and gear pump and crescent gear pump of gear pump | |
| CN219493268U (en) | Bearing positioning structure for spiral hydraulic actuator and spiral hydraulic actuator | |
| CN111173736B (en) | Gear pump with axial clearance compensation device | |
| CN216241275U (en) | Bidirectional high-pressure large-displacement gear pump | |
| CN220667991U (en) | Anti-torsion impact swing hydraulic cylinder | |
| JP7450118B2 (en) | Diagonal axis plunger type variable displacement hydraulic motor pump | |
| CN221400906U (en) | Duplex gear pump | |
| CN112211960B (en) | Built-in hollow precision speed reducer for industrial robot gear | |
| CN210118226U (en) | Non-shell tandem non-circular planetary gear hydraulic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |