CN203130914U - Hydraulic control marine fire pump gear box - Google Patents
Hydraulic control marine fire pump gear box Download PDFInfo
- Publication number
- CN203130914U CN203130914U CN 201320016821 CN201320016821U CN203130914U CN 203130914 U CN203130914 U CN 203130914U CN 201320016821 CN201320016821 CN 201320016821 CN 201320016821 U CN201320016821 U CN 201320016821U CN 203130914 U CN203130914 U CN 203130914U
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- gear
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- input shaft
- hydraulic
- box
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Abstract
The utility model relates to a hydraulic control marine fire pump gear box comprising a box body, an input shaft, an output gear shaft and a clutch, wherein the box body is composed of an upper box body, a middle box body and a lower box body; the input shaft and the output gear shaft are supported on joint parts of the upper box body, the middle box body and the lower box body through bearings; the clutch is a hydraulic clutch, a driving gear is installed on the input shaft through a bearing and meshed with an output gear, and the hydraulic clutch is located on one side of the driving gear; one end of the input shaft extends out of the box body, a gear pump driving gear is arranged at the other end of the input shaft, and a gear pump is installed on the middle box body; one end of the output gear shaft extends out of the box body; a gear box hydraulic system comprises the gear pump, a filter, an overflow valve, an electromagnetic directional valve and a cooling device. A work sub-circuit of the hydraulic clutch is that the gear pump, the filter and the electromagnetic directional valve are sequentially connected, and the working state of the hydraulic clutch is controlled by the electromagnetic directional valve; a lubricating sub-circuit is that the gear pump, the filter and the cooling device are sequentially connected, and then each lubricating oil channel conveys lubricating oil to each lubricating point.
Description
Technical field
The utility model relates to a kind of fire water pump gear-box peculiar to vessel, especially a kind of fire water pump step-up gear peculiar to vessel by the hydraulic control clutch, be mainly used in the fire-fighting system of various towboats, working boat, platform supply vessel, and the external fire-fighting system of professional pump ship, belong to the transmission device that the boats and ships auxiliary power is exported.
Background technique
The fire water pump of present most of boats and ships is directly provided by the auxiliary power output terminal (PTO) of promoting mainly gear-box into and providing.Or by promoting mainly auxiliary power output terminal (PTO) the band auxiliary generator that gear-box into provides, drive fire water pump by the auxiliary generator output power.No matter be to promote mainly into that gear-box directly drives fire water pump by auxiliary power output terminal (PTO), still promote mainly auxiliary power output terminal (PTO) the band auxiliary generator that gear-box into provides, by the generator drive fire water pump, the capital makes promotes mainly into that gear box structure becomes more complicated, is unfavorable for the compactness of hull structure.Also can cause promoting mainly the into transmission efficiency reduction of gear-box, control and emergency operation are also more loaded down with trivial details.Therefore, it is simple in structure to design and develop a kind of main frame free end that places, the transmission efficiency height, and running is steady, and the speedup fire water pump gear-box that is easy to control is the demand in market.
The model utility content
The purpose of this utility model is: the drive pattern at the fire water pump of present boats and ships causes promoting mainly into gear box structure complexity, even can influence the practical problem of transmission efficiency, and a kind of fire water pump gear-box peculiar to vessel by hydraulic control is provided.
The purpose of this utility model is achieved in that a kind of fire water pump gear-box peculiar to vessel by hydraulic control, comprises casing, input shaft, and output gear shaft and clutch is characterized in that:
A) casing is made up of upper box, middle casing and lower box; The bearings of input shaft by middle casing and lower box connecting part is in casing, and the bearings of output gear shaft by middle casing and upper box connecting part is in casing; Or the bearings of input shaft by middle casing and upper box connecting part be in casing, and the bearings of output gear shaft by middle casing and lower box connecting part is in casing;
B) clutch is hydraulic coupling, and hydraulic coupling comprises interior friction plate, friction bar, outside friction disc and shell, the alternate setting with interior friction plate of outside friction disc, wherein, interior friction plate and friction bar synchronization motion, outside friction disc and shell synchronization motion;
C) actuation gear is installed on the input shaft and with output gear by bearing and meshes, and hydraulic coupling is positioned at a side of actuation gear, and the friction bar in the hydraulic coupling is fixedlyed connected with input shaft by key, and shell is fixedlyed connected with the actuation gear sidewall;
D) input shaft one end stretches out casing, and the other end is provided with the gear pump driven gear, and on the casing, the gear pump driven gear was by the driven gear driving gear pump on the gear pump during gear pump was installed in; One end of output gear shaft stretches out casing;
E) the gear-box hydraulic system comprises gear pump, filter, relief valve, solenoid directional control valve, cooler and oil sump, wherein, guarantee that by relief valve hydraulic coupling possesses constant working pressure, the work branch of hydraulic coupling is: gear pump → filter → solenoid directional control valve, by the working state of solenoid directional control valve control hydraulic coupling; Lubricated branch road is gear pump → filter → cooler, and then is sent to each lubricating point by oil leab.
In the utility model: in hydraulic coupling: the friction bar is provided with spline, and the friction bar connects with the interior friction plate of coupling by spline; Shell is provided with spline, and shell connects with the outside friction disc of coupling by spline: described friction bar is fixedlyed connected with input shaft by two keys, and shell is fixedlyed connected with the actuation gear sidewall by bolt.
In the utility model: the bearing that supports input shaft and output gear shaft is selfaligning roller bearing, and the bearing of support drive gear is a pair of tapered roller bearing.
In the utility model: the output gear shaft end that stretches out casing is provided with crown gear coupling.
In the utility model: provide the clutch working pressure by relief valve in the gear-box hydraulic system.
Advantage of the present utility model is: the gear box structure compactness, because the bearings of input shaft by middle casing and lower box connecting part be in casing, the bearings of output gear shaft by middle casing and upper box connecting part is in casing; Or the bearings of input shaft by middle casing and upper box connecting part be in casing, and the bearings of output gear shaft by middle casing and lower box connecting part can be adjusted input output according to the hull flexible arrangement and arrange in casing, save the cabin space in a large number; Owing to use independently lubricated and monitor control system, improved the reliability of gear-box operation and control; Be the aligning roller bearing owing to support the bearing of input shaft and output gear shaft, can carry out necessary profile of tooth and the correction of the flank shape of teeth directional engagement to reduce noise to gear pair, improve the gear pair bearing capacity, adapt to the higher running operating mode of linear velocity more; Because output terminal adopts drum-shaped tooth type shaft coupling to connect with the fire water pump input shaft, can effectively compensate the deviation of centering of shafting, avoids the bearing running hot phenomenon.
Description of drawings
Fig. 1 is a kind of embodiment's internal structure schematic representation that the utility model relates to.
Fig. 2 is the plan structure schematic representation of Fig. 1.
Fig. 3 is the local enlarged diagram of hydraulic coupling.
Among the figure: 1, upper box, 2, selfaligning roller bearing, 3, output gear shaft, 4, middle casing, 5, tapered roller bearing, 6, selfaligning roller bearing, 7, input shaft, 8, lower box, 9, actuation gear, 10, hydraulic coupling, 11, crown gear coupling, 12, gear pump, 13, driven gear, 14, the gear pump driven gear, 15, filter, 16, relief valve, 17, solenoid directional control valve, 18, cooler, 19, shell, 20, outside friction disc, 21, interior friction plate, 22, the friction bar.
Embodiment
Accompanying drawing discloses the utility model embodiment's concrete structure without limitation, and the utility model will be further described below in conjunction with accompanying drawing.
By Fig. 1 and Fig. 2 as seen, a kind of fire water pump gear-box peculiar to vessel by hydraulic control of the utility model comprises upper box 1, middle casing 4, lower box 8, input shaft 7, output gear shaft 3 and hydraulic coupling 10, wherein; Input shaft 7 is supported in the casing by the selfaligning roller bearing 6 of middle casing 4 with lower box 8 connecting parts, and output gear shaft 3 is supported in the casing by the selfaligning roller bearing 2 of middle casing 4 with upper box 1 connecting part.Actuation gear 9 is installed on the input shaft 7 by a pair of tapered roller bearing 5, actuation gear 9 and output gear engagement, hydraulic coupling 10 is positioned at a side of actuation gear 9, friction bar 22 in the hydraulic coupling 10 is fixedlyed connected with actuation gear 9 sidewalls, and shell 19 is fixedlyed connected with input shaft 7 by key.Input shaft 7 one ends stretch out casing, and the other end is provided with gear pump driven gear 14, and on the casing 4, gear pump driven gear 14 was by driven gear 13 driving gear pump on the gear pump 12 during gear pump 12 was installed in; One end of output gear shaft 3 stretches out casing.
In the present embodiment, output gear shaft 3 ends of stretching out casing are provided with crown gear coupling 11.
In the present embodiment, the bearing that supports input shaft 7 and output gear shaft 3 is selfaligning roller bearing, and the bearing of support drive gear 9 is a pair of tapered roller bearing 5.
In the present embodiment, provide the clutch working pressure by relief valve 16 in the gear-box hydraulic system.
During concrete enforcement, the bearings that input shaft 7 also can be by middle casing 4 and upper box 1 connecting part is in casing, and 3 of the output gear shafts bearings by middle casing 4 and lower box 8 connecting parts is in casing.
Comprise gear pump 12, filter 15 in the working oil path of the present utility model, relief valve 16 coolers 18 and solenoid directional control valve 21.During hydraulic work system, gear pump 12 provides hydraulic oil for system.Fluid filters through filter 15, guarantees certain turbidity test, avoids the proper functioning of each valve piece of the system that influences.The effect of relief valve 16 is to keep the working pressure of hydraulic coupling 10 to maintain a steady state value, and in this system, this value is the needed pressure of hydraulic coupling work.Solenoid directional control valve 17 is realized the break-make of clutch working oil path by external signal control.When needs closed row, fluid entered clutch 10 by solenoid directional control valve 17 then along gear pump 12 → filter 15 → solenoid directional control valve 17, realized clutch 10 combinations.When taking off row, 17 solenoid directional control valves cut off oil circuit, and clutch 10 takes off row.In the lubricating oil path, fluid is along gear pump 12 → filter 15 → relief valve 16 → cooler 18, and cooling fluid later arrives at each lubricating point through lubrication gear box internal lubrication oil duct, and lubricating point comprises gear pair, bearing and clutch.
As seen from Figure 3, hydraulic coupling 10 comprises interior friction plate 21, friction bar 22, outside friction disc 20 and shell 19, outside friction disc 20 and interior friction plate 21 alternate settings, wherein, friction bar 22 is provided with spline, friction bar 22 connects with the interior friction plate 21 of coupling by spline, friction plate 21 and friction bar 22 synchronization motions in making; Shell 19 is provided with spline, shell 19 connects with the outside friction disc 20 of coupling by spline, make outside friction disc 20 and shell 19 synchronization motions: described friction bar 22 is fixedlyed connected with input shaft 7 by two keys, and shell 19 is fixedlyed connected with actuation gear 9 sidewalls by bolt.
Before the use, the input shaft 7 of gear-box is linked to each other with the diesel engine output terminal by highly elastic shaft coupling, fire water pump is connected with the output gear shaft 3 of gear-box by crown gear coupling 11.In the use, when the fire-fighting air pump inoperative, hydraulic coupling is in disengaged condition, input shaft 7 rotates with diesel engine, drive clutch friction bar 22 and interior friction plate 21 rotate synchronously, but outside friction disc does not compress in the clutch, and outside friction disc 20, clutch outer member 19 and actuation gear 9 and output gear shaft 3 keep static, the gear-box no-output.When needs carry out external fire-fighting operation, bridge sends and closes row signal, hydraulic coupling 10 is the row of closing under the effect of high pressure oil, interior friction plate 21 and outside friction disc 22 compacted beginnings are rotated synchronously, drive shell 19, actuation gear 9 begin rotation, thereby drive output gear shaft 3 rotation output powers.Because gearbox input shaft 7 is all the time with diesel engine rotation, even hydraulic coupling 10 is in the row's state that takes off, two selfaligning roller bearings 6 and that a pair of tapered roller bearing 5 of input gear is installed is in running order all the time on the input shaft 7.
Claims (5)
1. the fire water pump gear-box peculiar to vessel by hydraulic control comprises casing, input shaft, and output gear shaft and clutch is characterized in that:
A) casing is made up of upper box, middle casing and lower box; The bearings of input shaft by middle casing and lower box connecting part is in casing, and the bearings of output gear shaft by middle casing and upper box connecting part is in casing; Or the bearings of input shaft by middle casing and upper box connecting part be in casing, and the bearings of output gear shaft by middle casing and lower box connecting part is in casing;
B) clutch is hydraulic coupling, and hydraulic coupling comprises interior friction plate, friction bar, outside friction disc and shell, the alternate setting with interior friction plate of outside friction disc, wherein, interior friction plate and friction bar synchronization motion, outside friction disc and shell synchronization motion;
C) actuation gear is installed on the input shaft and with output gear by bearing and meshes, and hydraulic coupling is positioned at a side of actuation gear, and the friction bar in the hydraulic coupling is fixedlyed connected with input shaft by key, and shell is fixedlyed connected with the actuation gear sidewall;
D) input shaft one end stretches out casing, and the other end is provided with the gear pump driven gear, and on the casing, the gear pump driven gear was by the driven gear driving gear pump on the gear pump during gear pump was installed in; One end of output gear shaft stretches out casing;
E) the gear-box hydraulic system comprises gear pump, filter, relief valve, solenoid directional control valve, cooler and oil sump, wherein, guarantee that by relief valve hydraulic coupling possesses constant working pressure, the work branch of hydraulic coupling is: gear pump → filter → solenoid directional control valve, by the working state of solenoid directional control valve control hydraulic coupling; Lubricated branch road is gear pump → filter → cooler, and then is sent to each lubricating point by oil leab.
2. the fire water pump gear-box peculiar to vessel by hydraulic control according to claim 1 is characterized in that: in hydraulic coupling: the friction bar is provided with spline, and the friction bar connects with the interior friction plate of coupling by spline; Shell is provided with spline, and shell connects with the outside friction disc of coupling by spline: described friction bar is fixedlyed connected with input shaft by two keys, and shell is fixedlyed connected with the actuation gear sidewall by bolt.
3. the fire water pump gear-box peculiar to vessel by hydraulic control according to claim 1 and 2 is characterized in that: the bearing that supports input shaft and output gear shaft is selfaligning roller bearing, and the bearing of support drive gear is a pair of tapered roller bearing.
4. the fire water pump gear-box peculiar to vessel by hydraulic control according to claim 3, it is characterized in that: the output gear shaft end that stretches out casing is provided with crown gear coupling.
5. the fire water pump gear-box peculiar to vessel by hydraulic control according to claim 3 is characterized in that: provide the clutch working pressure by relief valve in the gear-box hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016821 CN203130914U (en) | 2013-01-14 | 2013-01-14 | Hydraulic control marine fire pump gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016821 CN203130914U (en) | 2013-01-14 | 2013-01-14 | Hydraulic control marine fire pump gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130914U true CN203130914U (en) | 2013-08-14 |
Family
ID=48938894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016821 Withdrawn - After Issue CN203130914U (en) | 2013-01-14 | 2013-01-14 | Hydraulic control marine fire pump gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075465A (en) * | 2013-01-14 | 2013-05-01 | 南京高精船用设备有限公司 | Hydraulically-controlled marine fire pump gearbox |
| CN113323995A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box with compact structure |
| CN113323994A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box |
-
2013
- 2013-01-14 CN CN 201320016821 patent/CN203130914U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075465A (en) * | 2013-01-14 | 2013-05-01 | 南京高精船用设备有限公司 | Hydraulically-controlled marine fire pump gearbox |
| CN103075465B (en) * | 2013-01-14 | 2017-10-13 | 南京高精船用设备有限公司 | By the fire pump gearbox peculiar to vessel of hydraulic control |
| CN113323995A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box with compact structure |
| CN113323994A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box |
| CN113323994B (en) * | 2021-06-02 | 2024-03-08 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box |
| CN113323995B (en) * | 2021-06-02 | 2024-03-12 | 杭州前进齿轮箱集团股份有限公司 | Marine gearbox with compact structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20171013 |
|
| AV01 | Patent right actively abandoned |