Efficient turbocharging spindle assembly
By setting a spiral groove in the main shaft ball socket and using turbocharging to suck oil for lubrication, the problem of hydraulic oil flowing into the housing affecting the volumetric efficiency is solved, efficient lubrication and heat removal are achieved, and the volumetric efficiency of the pump is improved.
Patent Information
- Application Number
- CN202423257410.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing bent axis pumps, hydraulic oil flows into the housing through the gap between the main shaft ball socket and the plunger ball head, affecting the volumetric efficiency of the pump.
A spiral groove is set in the ball socket of the main shaft, and oil is drawn in by turbocharging to form a good convection circulation, which removes frictional heat.
It improves the pump's volumetric efficiency by using turbocharging to draw oil into the spindle ball joint and plunger ball joint, thereby enhancing the lubrication effect and removing frictional heat.
Smart Images

Figure CN223447463U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a main shaft assembly, concretely relates to a turbocharging main shaft assembly. BACKGROUND
[0002] In the existing inclined shaft pump, the lubrication of the main shaft socket and the plunger ball head is mostly through the lubrication hole of the main shaft socket arranged on the plunger, so that the hydraulic oil lubricates the main shaft socket when the oil is pressed, but then the hydraulic oil flows into the shell intermittently between the socket and the plunger ball head, thereby affecting the volumetric efficiency of the pump. SUMMARY
[0003] The utility model discloses a kind of turbocharging main shaft assemblies, which can overcome the deficiencies in the prior art, provide a high-efficiency turbocharging main shaft assembly, which is pressurized to absorb oil lubrication, and spiral grooves are used to remove friction heat, thereby improving the volumetric efficiency of the pump.
[0004] Technical scheme: To solve the above technical problems, the high-efficiency turbocharging main shaft assembly comprises a main shaft section and a plunger connecting section, which are integrally formed. A plurality of sockets are provided on the plunger connecting section. A plunger with a ball head is connected in the socket. A return disc is provided on the outer side of the plunger connecting section, and a turbine is provided on the inner side. The turbine is connected to the plunger connecting section through a flat key. The turbine comprises a circular ring body. A connecting hole is provided in the middle of the circular ring body. The connecting hole comprises a tapered hole section and a circular hole section. A plurality of through holes I are provided on the side wall of the circular ring body. A plurality of through holes II are provided on the tapered hole section. The through holes I and the through holes II are in communication. A through hole III is provided at the bottom of the socket. The through hole III is in communication with the tapered hole section. A plurality of spiral grooves are provided on the inner wall of the socket. One end of the spiral grooves is in communication with the through hole III, and the other end extends to the outer end of the socket.
[0005] Further, seven sockets are uniformly provided on the plunger connecting section.
[0006] Further, three spiral grooves are uniformly provided in each socket.
[0007] Further, the turbine is sleeved on the main shaft section.
[0008] Further, the large opening of the tapered hole section is close to the plunger connecting section.
[0009] Advantages: Compared with the prior art, the utility model has the following advantages:
[0010] The spiral groove is arranged on the upper surface of the main shaft ball socket, a through hole is arranged at the bottom of the ball socket, the turbine is connected with the main shaft, when the pump is started, the turbine rotates to achieve a pressurized oil suction effect, that is, the hydraulic oil enters the turbine through the through hole in the side wall, a high pressure cavity is formed in the inside of the turbine, the hydraulic oil enters the ball socket through the small hole at the bottom of the main shaft, is used for lubricating the main shaft ball socket and the plunger ball head, and then flows out through the ball socket spiral groove, so that a benign convection circulation is formed, the turbine is used for oil lubrication of the main shaft ball socket and the plunger ball head, and part of heat generated by friction between the ball socket and the ball head can be taken away, so that the volumetric efficiency of the pump is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a structural schematic diagram of the utility model;
[0012] Figure 2 is a structural schematic diagram of the turbine in the utility model;
[0013] Figure 3 is a setting schematic diagram of the spiral groove in the utility model. DETAILED DESCRIPTION
[0014] The utility model will be further explained in connection with the drawings and examples.
[0015] As Figure 1 , Figure 2 , Figure 3 Indicated, the utility model discloses high -efficient turbine supercharging main shaft subassembly, it includes main shaft section 1 and plunger connecting section 2, and they are integrally formed, seven ball sockets 3 are evenly arranged on plunger connecting section 2, ball head plunger 4 is connected in ball socket 3, return disc 5 is arranged on the outside of plunger connecting section 2, and turbine 6 is arranged on the inside, turbine 6 is connected with plunger connecting section 2 through a key, turbine 6 is sleeved on main shaft section 1, turbine 6 includes annular body 7, connecting hole is arranged in the middle of annular body 7, the connecting hole includes taper hole section 8 and round hole section 9, the large opening of taper hole section 8 is close to plunger connecting section 2, a plurality of through holes I 10 are arranged on the side wall of annular body 7, a plurality of through holes II 11 are arranged on taper hole section 8, through holes I 10 and through holes II 11 are communicated, through hole III 12 is arranged at the bottom of ball socket 3, through hole III 12 is communicated with taper hole section 8, three spiral grooves 13 are evenly arranged on the inner wall of ball socket 3, one end of the spiral groove 13 is communicated with through hole III 12, and the other end extends to the outer end of ball socket 3.
[0016] The utility model discloses a spiral groove is equipped on the main shaft ball socket, and the ball socket bottom is equipped with a through -hole, and the turbine is connected with the main shaft, when the pump starts, the turbine also rotates and reaches a booster oil suction effect, namely, the hydraulic oil passes through turbine side wall through -hole and enters the oil, and the turbine inboard forms a high pressure cavity, and the hydraulic oil passes through the main shaft bottom small hole and enters the ball socket, is used for lubricating the main shaft ball socket and plunger ball head, then passes through the ball socket spiral groove and flows out, and this forms a benign convection circulation, adopts the turbine oil suction to lubricate the main shaft ball socket and plunger ball head, can also take away the heat generated by a part of ball socket and ball head friction, thereby improves the volumetric efficiency of pump.
[0017] The utility model provides a kind of thought and method, the method and approach of specific implementation this technical scheme are many, above-mentioned are only preferred implementation mode of the utility model, it should be pointed out, for the ordinary skilled in the art of this technology, without departing from the principle of the utility model, still can make several improvements and refinements under the premise, these improvements and refinements also should be regarded as the protection scope of the utility model, the various components not explicitly in the present embodiment can be realized by prior art.
Claims
1. High-efficiency turbocharged spindle assembly, characterized by: It comprises a main shaft section (1) and a plunger connecting section (2), which are integrally formed. A plurality of ball sockets (3) are provided on the plunger connecting section (2), a ball head plunger (4) is connected in the ball sockets (3), a return disc (5) is provided on the outside of the plunger connecting section (2), and a turbine (6) is provided on the inside. The turbine (6) is connected to the plunger connecting section (2) via a flat key. The turbine (6) comprises a circular ring body (7), a connecting hole is provided in the middle of the circular ring body (7), and the connecting hole comprises a tapered hole section (8) and The circular hole section (9) is provided with a plurality of through holes I (10) on the side wall of the circular ring body (7), and a plurality of through holes II (11) are provided on the tapered hole section (8), wherein the through holes I (10) and the through holes II (11) are connected, and a through hole III (12) is provided at the bottom of the ball socket (3), wherein the through hole III (12) is connected to the tapered hole section (8), and a plurality of spiral grooves (13) are provided on the inner wall of the ball socket (3), wherein one end of the spiral groove (13) is connected to the through hole III (12) and the other end extends to the outer end of the ball socket (3).
2. The high-efficiency turbocharger main shaft assembly according to claim 1, characterized in that: Seven ball sockets (3) are evenly arranged on the plunger connecting section (2).
3. The high-efficiency turbocharger main shaft assembly according to claim 1, characterized in that: Three spiral grooves (13) are evenly arranged in each ball socket (3).
4. The high-efficiency turbocharger main shaft assembly according to claim 1, characterized in that: The turbine (6) is sleeved on the main shaft section (1).
5. The high-efficiency turbocharger main shaft assembly according to claim 1, characterized in that: The large opening of the tapered hole section (8) is close to the plunger connecting section (2).