CN210218136U - Novel speed regulating device on plane S-shaped shaft extension pump - Google Patents
Novel speed regulating device on plane S-shaped shaft extension pump Download PDFInfo
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- CN210218136U CN210218136U CN201920959360.2U CN201920959360U CN210218136U CN 210218136 U CN210218136 U CN 210218136U CN 201920959360 U CN201920959360 U CN 201920959360U CN 210218136 U CN210218136 U CN 210218136U
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Abstract
The utility model discloses a novel speed adjusting device on plane S-shaped shaft extension pump, including S-shaped runner and many gears speed governing gearbox, install horizontal axial-flow pump on the S-shaped runner, the axle sleeve is installed to one side of S-shaped runner, install the axostylus axostyle in the axle sleeve, the water pump runner body is installed to the one end of axostylus axostyle, the runner is all installed through connection port at the both ends of S-shaped runner, install the gate on the runner. The multi-gear speed regulating gearbox with the adjustable speed ratio is adopted on the planar S-shaped shaft extension pump, different multi-gear speed regulating gearboxes can be selected according to the maximum shaft power and the rotating speed of the actual requirement of the water pump, the selection types are multiple, the speed regulation is convenient, the rotating speed of the water pump is flexibly switched according to the actual lift and the working condition requirement of the water pump, and therefore higher efficiency of the water pump device is obtained.
Description
Technical Field
The utility model relates to a novel speed adjusting device technical field specifically is a novel speed adjusting device on plane S-shaped axle extension pump.
Background
The plane S-shaped shaft extension pump is one kind of horizontal shaft extension pump, and its water inlet and outlet flow passage is plane S-shaped, and mainly consists of axial flow pump, bearing, gear box, motor, etc. The plane S-shaped axial-flow pump is mainly used for low-lift and large-flow pump stations in plain river network areas, wherein a plurality of pump stations have large characteristic lift difference, namely, the average lift and the highest lift are greatly different, and the axial-flow pump device only has the characteristic of high-efficiency operation in a certain lift range, so that the problem that the stable operation of the pump at the average lift in a high-efficiency area and the stable operation of the pump at the highest lift are difficult to be ensured in accordance with the standard requirement exists.
Through reducing the water pump rotational speed, let the water pump obtain the highest pumping plant efficiency under lower lift (average lift), adopt frequency conversion technique to reduce the supporting motor rotational speed of water pump at present usually, thereby reduce the water pump rotational speed, the converter moves more reliably under 30 ~ 50Hz frequency, the gear ratio that the converter can realize like this is 1.67, only adopt the converter can not satisfy the variable speed requirement of all water pumps, the converter scheme has 4 ~ 6% energy loss in addition, the equipment station occupies the pump house space, equipment investment itself is great, produce shortcomings such as harmonic, there is the pump station to adopt by the bright pump station.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel speed adjusting device on plane S-shaped axle extension pump to the water pump rotational speed that proposes in solving above-mentioned background is switched inconveniently, and conversion efficiency is low, invests in greatly, and the installation is dismantled inconveniently, the inconvenient scheduling problem of speed governing.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel speed adjusting device on plane S-shaped shaft extension pump, includes S-shaped runner and many gears speed governing gearbox, install horizontal axial-flow pump on the S-shaped runner, the axle sleeve is installed to one side of S-shaped runner, install the axostylus axostyle in the axle sleeve, the water pump runner hub is installed to the one end of axostylus axostyle, thrust-journal bearing case is installed to the other end of axostylus axostyle, the one end of thrust-journal bearing case is passed through the ring flange and is connected with the bearing in the many gears speed governing gearbox, the gear lever is installed at the top of many gears speed governing gearbox, main motor is installed to the one end of many gears speed governing gearbox, the below of S-shaped runner is passed through support frame and backing plate fixed connection, the runner is.
Preferably, one end of the shaft rod extends into the inner cavity of the S-shaped flow channel through the shaft sleeve, and the water pump runner hub fixed by the tail end bolt of the shaft rod is positioned in the inner cavity of the horizontal axial flow pump.
Preferably, the multi-gear speed-regulating gearbox is provided with seven selectable gear ratios, and is divided into several types of light, medium, heavy and special gearboxes, wherein the gear speed ratio of 1-6 gears is gradually reduced in sequence, 7 gears are reverse gears, and more preferably, the gear ratio parameters of each gear are respectively as follows: gear 1 6.540; 3.780 grade 2; 3, 2.168; 4-gear 1.442; 5, 1.00 in a gear; gear 6, 0.787; the 7 th reverse gear is-5.832.
Preferably, the support frame is arranged to be matched with a multi-gear speed regulating gearbox flange, and foundation bolt holes are formed in the periphery of the support frame.
Preferably, the inside of the flange plate is provided with a matched internal spline, and the flange plate is fixedly connected with the transmission shaft connected with the flange plate through a matched flange.
Preferably, the support frame is of a closed box structure, and heat dissipation holes are formed in the side face of the closed box.
Preferably, a shifting fork mechanism is installed in the multi-gear speed-regulating gearbox, and the shifting fork mechanism and the gear lever are set to be a structure capable of switching rotating speeds mutually.
Preferably, the two gear levers are arranged, and both the two gear levers are led out from an upper cover of the multi-gear speed-regulating gearbox.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be applied to the plane S-shaped shaft extension pump that needs the speed governing operation after transforming many gears speed governing gearboxes, can select different many gears speed governing gearboxes according to the maximum shaft power and the rotational speed of water pump actual need, select the type many, convenient variable speed regulation;
2. the utility model discloses a one set of rigidity is bigger, support the gearbox with the supporting support frame of gearbox flange and get up to the support frame is furnished with rag bolt hole all around, conveniently joins in marriage installation adjustment parallels and rag bolt, with support frame and gearbox fixed mounting on the concrete pier at last, and it is comparatively convenient that the installation is dismantled, and fixed comparatively firm.
3. The utility model discloses adopt many gears speed governing gearbox with the water pump rotational speed, can improve the device efficiency under the average lift of water pumping plant by a wide margin, if adjust the gear from 2 shelves (shelves speed than 3.780) to 1 shelves (shelves speed than 6.540) device efficiency under the average lift and improve 11%.
4. The utility model discloses it can not the speed governing gear case to adopt many gears speed governing gearbox to replace on the pump is stretched to plane S-shaped axle for other speed changing schemes such as converter are compared to the purpose of adjusting water pump speed, and this scheme small investment, simple to operate, speed governing are simple reliable, but wide application in the great plane S-shaped axle of lift change stretch the pump station, effectively improve pump unit efficiency.
Drawings
Fig. 1 is an elevation view of a novel speed regulating device on a planar S-shaped shaft extension pump of the present invention;
fig. 2 is a plan view of the novel speed adjusting device on the plane S-shaped shaft extension pump of the present invention;
fig. 3 is a schematic structural diagram of the power mechanism of the present invention.
In the figure: 1. a gate; 2. a flow channel; 3. a horizontal axial flow pump; 4. an S-shaped flow channel; 5. a thrust-radial bearing housing; 6. a shift lever; 7. a connection port; 8. a support frame; 9. anchor bolts; 10. a shaft lever; 11. a flange plate; 12. a multi-gear speed-regulating gearbox; 13. a main motor; 14. a base plate; 15. a water pump runner hub; 16. and a shaft sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a novel speed regulation device on a plane S-shaped shaft extension pump comprises an S-shaped flow passage 4 and a multi-gear speed regulation gearbox 12, wherein a horizontal axial flow pump 3 is installed on the S-shaped flow passage 4, the horizontal axial flow pump 3 is suitable for conveying clear water or other liquid with physical and chemical properties similar to water, a shaft sleeve 16 is installed on one side of the S-shaped flow passage 4, a shaft rod 10 is installed in the shaft sleeve 16, the shaft rod 10 is used for driving a water pump runner body 15 to rotate, the water pump runner body 15 is enabled to stir water flow and generate centripetal force, so that the flow direction of the fluid is controlled, the water pump runner body 15 is installed at one end of the shaft rod 10, a thrust-radial bearing box 5 is installed at the other end of the shaft rod 10, the thrust-radial bearing box 5 can bear radial force of a bearing, one end of the thrust-radial bearing box 5 is connected with a bearing in the multi-gear, the gear lever 6 is used for adjusting the rotating speed of a bearing driven by a main motor 13, the main motor 13 is installed at one end of the multi-gear speed-adjusting gearbox 12, the lower portion of the S-shaped flow channel 4 is fixedly connected with a backing plate 14 through a support frame 8, flow channels 2 are installed at two ends of the S-shaped flow channel 4 through connecting ports 7, the flow channels 2 are used for conveying fluid, a gate 1 is installed on the flow channels 2, and the gate 1 controls opening and closing of the flow channels 2.
Further, one end of the shaft lever 10 extends into the inner cavity of the S-shaped flow channel 4 through a shaft sleeve 16, and the water pump runner hub 15 fixed by the terminal bolt of the shaft lever 10 is located in the inner cavity of the horizontal axial flow pump 3, so that the shaft lever 10 is conveniently mounted through the shaft sleeve 16, and the water pump runner hub 15 is driven to rotate through the shaft lever 10.
Further, the multi-speed governor transmission 12 is generally provided with seven selectable speed ratios, and is divided into several types of light, medium, heavy and special transmissions, and the multi-speed governor transmission 12 is made to be selectable through the design. Preferably, the gear parameters are as follows: the 1 st speed ratio is 6.540; gear 2 is 3.780; gear 3 is 2.168; gear 4 is 1.442; 1.00 for 5-gear; gear 6 is 0.787; the 7 th reverse gear is-5.832.
Further, the support frame 8 is arranged to be in a flange matching structure with the multi-gear speed regulating gearbox 12, foundation bolt holes are arranged around the support frame 8 and used for penetrating foundation bolts 9, and the multi-gear speed regulating gearbox 12 is conveniently supported and fixed through the support frame 8.
Furthermore, a matched internal spline is arranged inside the flange plate 11, the flange plate 11 is fixedly connected with a transmission shaft connected with the flange plate 11 through a matched flange, and a bearing in the multi-gear speed regulating gearbox 12 is conveniently matched and connected with the transmission shaft through the flange plate 11.
Further, the support frame 8 is set to be of a closed box structure, heat dissipation holes are formed in the side face of the closed box, and the support frame 8 can protect the multi-gear speed regulating gearbox 12 through the design.
Furthermore, a shifting fork mechanism is installed in the multi-gear speed-regulating gearbox 12, the shifting fork mechanism and the gear lever 6 are set to be a mutual switching rotating speed structure, and the shifting fork mechanism and the gear lever 6 are switched to facilitate the adjustment of speed change.
Furthermore, the number of the gear shift levers 6 is two, and the two gear shift levers 6 are led out from the upper cover of the multi-gear speed-regulating gearbox 12, so that the gears of the multi-gear speed-regulating gearbox 12 can be conveniently adjusted through the gear shift levers 6.
The working principle is as follows: when the device is used, after the device is transformed, the multi-gear speed regulating gearbox 12 of the gear shifting mechanism is reserved to replace an original speed-unadjustable gearbox on a plane S-shaped shaft extension pump, the multi-gear speed regulating gearbox 12 is fixedly arranged on a concrete pier through a support frame 8, a main motor 13 drives a bearing in the multi-gear speed regulating gearbox 12 to rotate, the rotating speed of the bearing is adjusted through a gear lever 6 on the multi-gear speed regulating gearbox 12, the bearing in a thrust-radial bearing box 5 is driven to rotate through the bearing, the thrust-radial bearing box 5 drives a shaft lever 10 to rotate, a water pump runner body 15 is driven to rotate through the shaft lever 10, the water pump runner body 15 rotates, liquid is conveyed to the other end from one end of a runner 2, and the opening and closing of the runner 2 can be.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a novel speed adjusting device on plane S-shaped shaft extension pump, includes S-shaped runner (4) and many gears speed governing gearbox (12), its characterized in that: the horizontal axial-flow pump (3) is installed on the S-shaped flow channel (4), a shaft sleeve (16) is installed on one side of the S-shaped flow channel (4), a shaft rod (10) is installed in the shaft sleeve (16), a water pump runner hub (15) is installed at one end of the shaft rod (10), a thrust-radial bearing box (5) is installed at the other end of the shaft rod (10), one end of the thrust-radial bearing box (5) is connected with a bearing in the multi-gear speed-regulating gearbox (12) through a flange plate (11), a gear lever (6) is installed at the top of the multi-gear speed-regulating gearbox (12), a main motor (13) is installed at one end of the multi-gear speed-regulating gearbox (12), the lower portion of the S-shaped flow channel (4) is fixedly connected with a base plate (14) through a support frame (8), and flow channels (2) are installed at two ends of the S-, and a gate (1) is arranged on the flow channel (2).
2. The new speed governor device of claim 1, wherein: one end of the shaft lever (10) extends into the inner cavity of the S-shaped flow channel (4) through a shaft sleeve (16), and a water pump runner hub (15) fixed by a tail end bolt of the shaft lever (10) is positioned in the inner cavity of the horizontal axial flow pump (3).
3. The new speed governor device of claim 1, wherein: the multi-gear speed regulating gearbox (12) is provided with seven selectable gear ratios.
4. The new speed governor device of claim 1, wherein: the supporting frame (8) is arranged to be in a structure matched with a flange of the multi-gear speed regulating gearbox (12), and foundation bolt holes are formed in the periphery of the supporting frame (8).
5. The new speed governor device of claim 1, wherein: and a matched internal spline is arranged inside the flange plate (11), and the flange plate (11) is fixedly connected with a transmission shaft connected with the flange plate through a matched flange.
6. The new speed governor device of claim 1, wherein: the supporting frame (8) is of a closed box structure, and heat dissipation holes are formed in the side face of the closed box.
7. The new speed governor device of claim 1, wherein: a shifting fork mechanism is arranged in the multi-gear speed regulating gearbox (12), and the shifting fork mechanism and the gear lever (6) are set to be mutually switched rotating speed structures.
8. The new speed governor device of claim 1, wherein: the two gear levers (6) are arranged, and the two gear levers (6) are led out from the upper cover of the multi-gear speed-regulating gearbox (12).
9. The new speed governor on a planar S-shaped shaft pump according to claim 3, characterized in that: a reverse gear is arranged in the multi-gear speed regulating gearbox (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959360.2U CN210218136U (en) | 2019-06-25 | 2019-06-25 | Novel speed regulating device on plane S-shaped shaft extension pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959360.2U CN210218136U (en) | 2019-06-25 | 2019-06-25 | Novel speed regulating device on plane S-shaped shaft extension pump |
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| CN210218136U true CN210218136U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920959360.2U Active CN210218136U (en) | 2019-06-25 | 2019-06-25 | Novel speed regulating device on plane S-shaped shaft extension pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173432A (en) * | 2019-06-25 | 2019-08-27 | 江苏省太湖水利规划设计研究院有限公司 | A kind of plane S-shaped axis stretches the novel speed regulation device on pump |
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2019
- 2019-06-25 CN CN201920959360.2U patent/CN210218136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173432A (en) * | 2019-06-25 | 2019-08-27 | 江苏省太湖水利规划设计研究院有限公司 | A kind of plane S-shaped axis stretches the novel speed regulation device on pump |
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