阅读说明：本技术 运用于竖井泵与斜轴泵的泵轮液压全调桨机构及控制方法 (Pump wheel hydraulic full-adjustable propeller mechanism applied to vertical shaft pump and inclined shaft pump and control method ) 是由 周成名 于 2020-11-11 设计创作，主要内容包括：本发明涉及一种运用于竖井泵与斜轴泵的泵轮液压全调桨机构及控制方法,所属大型水泵技术领域,包括泵轮传动组件,所述的泵轮传动组件后端设有轴间受油器,所述的轴间受油器与泵轮传动组件间设有与泵轮传动组件、轴间受油器相油路连通的操作油管,所述的轴间受油器与泵轮传动组件间设有与操作油管相套接的过渡连接法兰轴套。所述的轴间受油器包括受油器壳体,所述的受油器壳体内设有与操作油管相油路连通式套接的排油模块,所述的排油模块与过渡连接法兰轴套间设有若干浮动瓦。具有结构紧凑、运行稳定性好和使用效率高的特点。解决了叶片角度调节失效的问题。为调桨技术实现创造更优的外部条件。(The invention relates to a pump wheel hydraulic full-adjustable propeller mechanism applied to a vertical shaft pump and an inclined shaft pump and a control method, belonging to the technical field of large water pumps. The oil supply device comprises an inter-shaft oil supply device and is characterized in that the inter-shaft oil supply device comprises an oil supply device shell, an oil discharge module which is in communicated and sleeved connection with an oil path of an operation oil pipe is arranged in the oil supply device shell, and a plurality of floating tiles are arranged between the oil discharge module and a transition connecting flange shaft sleeve. The device has the characteristics of compact structure, good operation stability and high use efficiency. The problem of blade angle modulation inefficacy is solved. Creates better external conditions for realizing the paddle adjusting technology.)

1. The utility model provides an apply to pump impeller hydraulic pressure of vertical well pump and oblique axis pump and transfer oar mechanism entirely which characterized in that: the oil pump comprises a pump wheel transmission assembly (1), wherein an inter-shaft oil receiver (4) is arranged at the rear end of the pump wheel transmission assembly (1), an operation oil pipe (2) communicated with an oil path of the pump wheel transmission assembly (1) and the inter-shaft oil receiver (4) is arranged between the inter-shaft oil receiver (4) and the pump wheel transmission assembly (1), and a transition connection flange shaft sleeve (3) sleeved with the operation oil pipe (2) is arranged between the inter-shaft oil receiver (4) and the pump wheel transmission assembly (1); the oil supply device is characterized in that the inter-shaft oil supply device (4) comprises an oil supply device shell (11), an oil discharge module (14) which is communicated with an oil path of the operation oil pipe (2) and sleeved with the oil supply device shell (11) is arranged in the oil supply device shell, and a plurality of floating tiles (13) are arranged between the oil discharge module (14) and the transition connecting flange shaft sleeve (3).

2. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1, wherein: the pump wheel transmission assembly (1) comprises a servomotor cylinder body (8), a pump wheel position feedback rod (6) which is in communicated insertion with the operation oil pipe (2) is arranged at the front end of the servomotor cylinder body (8), a servomotor (7) is arranged between the pump wheel position feedback rod (6) and the servomotor cylinder body (8), a plurality of pump blades (9) which are distributed annularly at equal intervals are arranged on the outer side of the servomotor cylinder body (8), and a pump wheel connector (10) is arranged at the lower end of the servomotor cylinder body (8).

3. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1, wherein: the rear end of the inter-shaft oil receiver (4) is provided with a feedback assembly (5) which is in limited nested connection with the transition connection flange shaft sleeve (3) and is communicated with the operation oil pipe (2).

4. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 3, wherein: feedback subassembly (5) including feedback axle (21), feedback axle (21) rear end be equipped with feedback axle (21) parallel key formula mutually and insert spacing uide pin mounting disc (25), uide pin mounting disc (25) upper end be equipped with and pull out fork (23), pull out fork (23) both ends be equipped with pull out fork (23) the shaft type slider (26) of pegging graft mutually of round pin, pull out fork (23) and uide pin mounting disc (25) between be equipped with uide pin (24), uide pin (24) upper end be equipped with uide pin (24) cup joint formula nut compress tightly the slip ring axle (22) of being connected mutually.

5. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 4, wherein: the shifting fork mechanism is characterized in that a displacement signal output rod (27) is arranged at the upper end of the shifting fork (23), a shifting fork frame (29) fixedly connected with the shifting fork (23) through bolts is arranged between the displacement signal output rod (27) and the shifting fork (23), and a restoring shaft (28) is arranged between the shifting fork frame (29) and the displacement signal output rod (27).

6. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1, wherein: an oil receiver a (16), an oil receiver c (18) and an oil receiver e (20) which are sequentially communicated with a phase oil path of the floating tile (13) are arranged at the lower end of the oil discharging module (14), an oil receiver b (17) communicated with the transition connecting flange shaft sleeve (3) is arranged between the oil receiver a (16) and the oil receiver c (18), and an oil receiver d (19) communicated with the transition connecting flange shaft sleeve (3) is arranged between the oil receiver c (18) and the oil receiver e (20).

7. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1, wherein: an inter-shaft oil-supply head sealing ring (12) is arranged between the two ends of the oil-supply head shell (11) and the transition connecting flange shaft sleeve (3); both ends of the oil discharge module (14) are provided with side plates (15) which are connected with the oil discharge module (14) through bolts and are sleeved with the transition connection flange shaft sleeve (3).

8. The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1, wherein: the transition connection flange shaft sleeve (3) is fixedly connected with the pump wheel transmission assembly (1) through a flange type bolt, and the transition connection flange shaft sleeve (3) is connected with the oil channel between the shafts through an oil receiver (4) in a communicated and sealed nested mode.

9. The control method for the pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump as claimed in claim 1 is characterized by comprising the following operation steps:

the first step is as follows: pressure oil and hub oil are supplied through an oil discharge module (14) in an oil receiver (4) between shafts, at the moment, 3 groups of floating tiles (13) in an oil receiver shell (11) adopt an oil receiver a (16), an oil receiver c (18) and an oil receiver e (20) to carry out inlet and outlet transmission of the pressure oil, and adopt an oil receiver b (17) and an oil receiver d (19) to carry out connection balance of the hub oil;

the second step is that: pressure oil is conveyed into the pump wheel transmission assembly (1) through the operation oil pipe (2) to drive the pump blades (9) to operate; meanwhile, the hub oil is conveyed to a pump wheel position feedback rod (6) through an operation oil pipe (2), and position information is fed back to a feedback assembly (5) to realize signal acquisition;

the third step: when the angle of the pump wheel is changed, the pump wheel position feedback rod (6) is connected with a guide pin mounting disc (25) on the feedback shaft (21) through the operation oil pipe (2), and the feedback shaft (21) moves to drive the sliding block (26) and the shifting fork (23);

the fourth step: the rotation signal output of the return shaft (28) is obtained through the displacement signal output rod (27), so that the feedback assembly (5) and the inter-shaft oil receiver (4) are integrally regulated, and the full regulation process of the pump blade (9) is realized.

10. The method as claimed in claim 9, wherein the method comprises the steps of: when external pressure oil is input into the servomotor (7), the servomotor cylinder (8) is driven by the oil pressure to open or close, the servomotor cylinder (8) adjusts the angle of the pump blade (9) through the pump wheel coupler (10), and meanwhile, position information is fed back and output through the pump wheel position feedback rod (6).

Technical Field

The invention relates to the technical field of large water pumps, in particular to a pump wheel hydraulic full-adjustable propeller mechanism applied to a vertical shaft pump and an inclined shaft pump and a control method.

Background

In the prior water pump design, a mechanical propeller adjusting mode is adopted, or an oil pressure servomotor is arranged at the end part of a main shaft, and propeller adjustment is carried out through a long operating rod transmitted by the oil pressure servomotor at the shaft end.

The phenomena of blockage, instability and the like often occur in the blade adjusting mode, so that the blade angle adjusting mechanism is invalid, the water pump is in the low-efficiency area for a long time to operate, and the benefit requirement of a pump station cannot be met.

Disclosure of Invention

The invention mainly solves the defects of poor operation stability and low use efficiency in the prior art, provides a pump wheel hydraulic full-adjustable propeller mechanism applied to a vertical shaft pump and an inclined shaft pump and a control method thereof, and has the characteristics of compact structure, good operation stability and high use efficiency. The problem of blade angle modulation inefficacy is solved. Creates better external conditions for realizing the paddle adjusting technology.

The technical problem of the invention is mainly solved by the following technical scheme:

a pump wheel hydraulic full-adjusting propeller mechanism adopting a high-flow vertical shaft pump and an inclined shaft pump comprises a pump wheel transmission assembly, wherein an inter-shaft oil receiver is arranged at the rear end of the pump wheel transmission assembly, an operation oil pipe communicated with the pump wheel transmission assembly and an inter-shaft oil receiver is arranged between the inter-shaft oil receiver and the pump wheel transmission assembly, and a transition connection flange shaft sleeve sleeved with the operation oil pipe is arranged between the inter-shaft oil receiver and the pump wheel transmission assembly. The oil supply device comprises an inter-shaft oil supply device and is characterized in that the inter-shaft oil supply device comprises an oil supply device shell, an oil discharge module which is in communicated and sleeved connection with an oil path of an operation oil pipe is arranged in the oil supply device shell, and a plurality of floating tiles are arranged between the oil discharge module and a transition connecting flange shaft sleeve.

Preferably, the pump wheel transmission assembly comprises a servomotor cylinder, a pump wheel position feedback rod which is in communicated and inserted connection with the operation oil pipe is arranged at the front end of the servomotor cylinder, a servomotor is arranged between the pump wheel position feedback rod and the servomotor cylinder, a plurality of pump blades which are distributed annularly at equal intervals are arranged on the outer side of the servomotor cylinder, and a pump wheel coupler is arranged at the lower end of the servomotor cylinder.

Preferably, the rear end of the inter-shaft oil receiver is provided with a feedback assembly which is in limit nested connection with the shaft sleeve of the transition connection flange and is communicated with the operation oil pipe.

Preferably, the feedback assembly comprises a feedback shaft, a guide pin mounting disc which is in flat key type insertion limit with the feedback shaft is arranged at the rear end of the feedback shaft, a shifting fork is arranged at the upper end of the guide pin mounting disc, sliding blocks which are in pin type insertion connection with the shifting fork are arranged at two ends of the shifting fork, a guide pin is arranged between the shifting fork and the guide pin mounting disc, and a sliding ring shaft which is in sleeve type nut compression connection with the guide pin is arranged at the upper end of the guide pin.

Preferably, a displacement signal output rod is arranged at the upper end of the shifting fork, a shifting fork frame fixedly connected with the shifting fork through bolts is arranged between the displacement signal output rod and the shifting fork, and a return shaft is arranged between the shifting fork frame and the displacement signal output rod.

Preferably, the lower end of the oil discharge module is provided with an oil receiver a, an oil receiver c and an oil receiver e which are sequentially communicated with the floating tile phase oil path, an oil receiver b communicated with the transition connecting flange shaft sleeve is arranged between the oil receiver a and the oil receiver c, and an oil receiver d communicated with the transition connecting flange shaft sleeve is arranged between the oil receiver c and the oil receiver e.

Preferably, an inter-shaft oil-supply head sealing ring is arranged between the two ends of the oil-supply head shell and the transition connecting flange shaft sleeve. The oil extraction module both ends all be equipped with oil extraction module looks bolted connection and with the curb plate that transition flange axle sleeve cup jointed mutually.

Preferably, the transition connection flange shaft sleeve is fixedly connected with the pump wheel transmission assembly through a flange type bolt, and the transition connection flange shaft sleeve is in communicated sealing nested connection with an oil channel of an oil receiver between shafts.

Preferably, the pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump and the control method thereof comprise the following operation steps:

the first step is as follows: pressure oil and hub oil are supplied through an oil discharge module in the oil supply head between the shafts, at the moment, 3 groups of floating tiles in the shell of the oil supply head adopt an oil supply head a, an oil supply head c and an oil supply head e to carry out inlet and outlet conveying of the pressure oil, and adopt an oil supply head b and an oil supply head d to carry out connection balance of the hub oil.

The second step is that: pressure oil is conveyed into the pump wheel transmission assembly through the operation oil pipe to drive the pump blades to operate; and meanwhile, the hub oil is conveyed to the pump wheel position feedback rod through the operation oil pipe, and the position information is fed back to the feedback assembly, so that signal acquisition is realized.

The third step: when the angle of the pump wheel is changed, the pump wheel position feedback rod is connected with the guide pin mounting disc on the feedback shaft through the operation oil pipe, and the feedback shaft moves to drive the sliding block and the shifting fork.

The fourth step: the rotary signal output of the return shaft is obtained through the displacement signal output rod, so that the feedback assembly and the inter-shaft oil receiver are integrally adjusted, and the full adjusting process of the pump blade is realized.

Preferably, when external pressure oil is input into the servomotor, the servomotor cylinder is driven by the oil pressure to perform opening or closing operation, the servomotor cylinder performs angle adjustment on the pump blade through the pump wheel coupler, and the position information is fed back and output through the pump wheel position feedback rod.

The invention can achieve the following effects:

compared with the prior art, the pump wheel hydraulic full-adjustable-pitch mechanism and the control method thereof have the characteristics of compact structure, good operation stability and high use efficiency. The problem of blade angle modulation inefficacy is solved. Creates better external conditions for realizing the paddle adjusting technology.

Drawings

Fig. 1 is a structural sectional view of the present invention.

Fig. 2 is a structural sectional view of the impeller operating assembly of the present invention.

Fig. 3 is a structural sectional view of an inter-shaft oil receiver of the present invention.

Fig. 4 is a side structural cross-sectional view of the feedback assembly of the present invention.

Fig. 5 is a front structural cross-sectional view of the feedback assembly of the present invention.

In the figure: the oil pump comprises a pump wheel transmission assembly 1, an operating oil pipe 2, a transition connection flange shaft sleeve 3, an inter-shaft oil receiver 4, a feedback assembly 5, a pump wheel position feedback rod 6, a servomotor 7, a servomotor cylinder 8, a pump blade 9, a pump wheel coupler 10, an oil receiver shell 11, an inter-shaft oil receiver sealing ring 12, a floating tile 13, an oil discharge module 14, a side plate 15, an oil receiver a16, an oil receiver b17, an oil receiver c18, an oil receiver d19, an oil receiver e20, a feedback shaft 21, a slip ring shaft 22, a shifting fork 23, a guide pin 24, a guide pin mounting disc 25, a sliding block 26, a displacement signal output rod 27, a return shaft 28 and a shifting fork frame 29.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): as shown in fig. 1-5, a pump wheel hydraulic full-adjustable propeller mechanism using a large-flow vertical shaft pump and an inclined shaft pump comprises a pump wheel transmission assembly 1, the pump wheel transmission assembly 1 comprises a servomotor cylinder 8, a pump wheel position feedback rod 6 which is in communicated and inserted connection with an operation oil pipe 2 is arranged at the front end of the servomotor cylinder 8, a servomotor 7 is arranged between the pump wheel position feedback rod 6 and the servomotor cylinder 8, 3 pump blades 9 which are annularly distributed at equal intervals are arranged on the outer side of the servomotor cylinder 8, and a pump wheel coupler 10 is arranged at the lower end of the servomotor cylinder 8. The rear end of the pump wheel transmission assembly 1 is provided with an inter-shaft oil receiver 4, and the rear end of the inter-shaft oil receiver 4 is provided with a feedback assembly 5 which is in limited nested connection with the transition connection flange shaft sleeve 3 and is communicated with the operation oil pipe 2. The feedback assembly 5 comprises a feedback shaft 21, a guide pin mounting disc 25 which is in flat key type insertion spacing with the feedback shaft 21 is arranged at the rear end of the feedback shaft 21, a shifting fork 23 is arranged at the upper end of the guide pin mounting disc 25, sliding blocks 26 which are in pin shaft type insertion connection with the shifting fork 23 are arranged at two ends of the shifting fork 23, a guide pin 24 is arranged between the shifting fork 23 and the guide pin mounting disc 25, and a slip ring shaft 22 which is in sleeve joint type nut pressing connection with the guide pin 24 is arranged at the upper end of the guide pin 24. The upper end of the shifting fork 23 is provided with a displacement signal output rod 27, a shifting fork frame 29 which is fixedly connected with the shifting fork 23 through bolts is arranged between the displacement signal output rod 27 and the shifting fork 23, and a return shaft 28 is arranged between the shifting fork frame 29 and the displacement signal output rod 27. An operation oil pipe 2 communicated with the pump wheel transmission assembly 1 and the inter-shaft oil receiver 4 is arranged between the inter-shaft oil receiver 4 and the pump wheel transmission assembly 1, and a transition connection flange shaft sleeve 3 sleeved with the operation oil pipe 2 is arranged between the inter-shaft oil receiver 4 and the pump wheel transmission assembly 1. The transition connection flange shaft sleeve 3 is fixedly connected with the pump wheel transmission assembly 1 through a flange type bolt, and the transition connection flange shaft sleeve 3 is connected with the inter-shaft oil receiver 4 through an oil path in a communicated type sealing nested mode. The inter-shaft oil supply head 4 comprises an oil supply head shell 11, and an inter-shaft oil supply head sealing ring 12 is arranged between two ends of the oil supply head shell 11 and the transition connecting flange shaft sleeve 3. An oil discharge module 14 which is communicated with and sleeved on an oil path of the operation oil pipe 2 is arranged in the oil receiver shell 11, and two ends of the oil discharge module 14 are respectively provided with a side plate 15 which is connected with the oil discharge module 14 through bolts and sleeved with the transition connecting flange shaft sleeve 3. 3 floating tiles 13 are arranged between the oil discharge module 14 and the transition connection flange shaft sleeve 3. An oil receiver a16, an oil receiver c18 and an oil receiver e20 which are sequentially communicated with a phase oil path of the floating tile 13 are arranged at the lower end of the oil discharging module 14, an oil receiver b17 communicated with the transition connecting flange shaft sleeve 3 is arranged between the oil receiver a16 and the oil receiver c18, and an oil receiver d19 communicated with the transition connecting flange shaft sleeve 3 is arranged between the oil receiver c18 and the oil receiver e 20.

The pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump and the control method thereof comprise the following operation steps:

the first step is as follows: pressure oil and hub oil are supplied through an oil discharge module 14 in the oil receiver 4 between the shafts, at the moment, the 3 groups of floating tiles 13 in the oil receiver shell 11 adopt an oil receiver a16, an oil receiver c18 and an oil receiver e20 to carry in and out the pressure oil, and adopt an oil receiver b17 and an oil receiver d19 to carry out connection balance of the hub oil.

The second step is that: the pressure oil is conveyed into the pump wheel transmission assembly 1 through the operation oil pipe 2, and the operation of the pump blade 9 is driven. Meanwhile, hub oil is conveyed to the pump wheel position feedback rod 6 through the operation oil pipe 2, when external pressure oil is input into the servomotor 7, the servomotor cylinder 8 is driven by the oil pressure to be opened or closed, the servomotor cylinder 8 adjusts the angle of the pump blade 9 through the pump wheel coupler 10, and meanwhile position information is fed back and output through the pump wheel position feedback rod 6. And feeding back the position information to the feedback component 5 to realize signal acquisition.

The third step: when the pump wheel angle is changed, the pump wheel position feedback rod 6 is connected with the guide pin mounting disc 25 on the feedback shaft 21 through the operation oil pipe 2, and the feedback shaft 21 moves to drive the slide block 26 and the shifting fork 23.

The fourth step: the rotation signal output of the return shaft 28 is obtained through the displacement signal output rod 27, so that the feedback assembly 5 and the inter-shaft oil receiver 4 are integrally regulated, and the full regulation process of the pump blade 9 is realized.

In conclusion, the pump wheel hydraulic full-adjustable propeller mechanism applied to the vertical shaft pump and the inclined shaft pump and the control method have the characteristics of compact structure, good operation stability and high use efficiency. The problem of blade angle modulation inefficacy is solved. Creates better external conditions for realizing the paddle adjusting technology.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.