CN201695428U - Power synthesizing gearbox for underwater pump - Google Patents
Power synthesizing gearbox for underwater pump Download PDFInfo
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- CN201695428U CN201695428U CN2010202140723U CN201020214072U CN201695428U CN 201695428 U CN201695428 U CN 201695428U CN 2010202140723 U CN2010202140723 U CN 2010202140723U CN 201020214072 U CN201020214072 U CN 201020214072U CN 201695428 U CN201695428 U CN 201695428U
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- gear
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- box
- output shaft
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Abstract
The utility model provides a gearbox, in particular relates to a power synthesizing gearbox for an underwater pump of a cutter-suction or bucket-wheel dredger for underwater operations. A reliably sealed power coupling gearbox for the underwater pump is provided; a gearbox output shaft is directed coupled with a mud pump through mounting the gearbox on a bridge frame close to an underwater mud pump; the gearbox synthesizes power of several oil motors to drive the underwater mud pump; and the power synthesizing gearbox is used for meeting requirements of underwater mud pumps on high-power driving force, without an electrical axis system of high cost. The gearbox has the advantages of high tightness, long service life, and high adaptability.
Description
Technical field
The utility model is a kind of gear-box, and particularly a kind of strand that is used for underwater operation inhales formula or the bucket-wheel suction dredger submersible pump synthesizes gear-box with power.
Background technology
Strand suction formula and bucket-wheel suction dredger are to use engineering ship more widely at present in enclosing extra large hydraulic reclamation, harbour and training of river channel engineering in the prior art, it mainly utilizes reamer cutting that is installed in the crane span structure front end and rock, the silt that stirs river bed or seabed, form the mud of big concentration, and then with the underwater dredge pump that is installed on the crane span structure mud is sucted, by dredge pump in the cabin mud is discharged to the solid accumulation field again.Its courses of work such as mud, dump of dredging, transport can one-time continuous be finished, and are a kind of efficient height, the mechanical device of dredging under water that cost is low.Dredge pump is owing to be installed in the crane span structure front end under water, long-term at the very high underwater operation of concentration of hydraulic mixture, the smaller dredge boat of tradition generally adopts the separate unit oil motor to be installed in and directly drives dredge pump under water under water, the dredge boat that power ratio is bigger (more than the 2500 sides) Motor Drive that adopt are installed in the above reduction gear box of the crane span structure water surface more, electric axis system by about 20 meters drives dredge pump work under water then, this cover electric axis system involves great expense, owing to be subjected to the crane span structure deformation effect, intermediate supports place bearing damages easily, and because the driving member major part is rotated in seawater, churning loss is bigger.
Summary of the invention
The utility model mainly is to solve the deficiencies in the prior art, provide a kind of reliable sealing submersible pump to synthesize gear-box with power, by gear-box being directly installed on crane span structure near the underwater dredge pump place, with gearbox output shaft and directly connection mutually of dredge pump, by gear-box with the synthetic rear drive underwater dredge pump of the power of a few table oil motors, be used for solving and satisfy the requirement of underwater dredge pump high-power driving power, removed the electric axis system that involves great expense simultaneously again.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of synthetic gear-box of power that is used for submersible pump, comprise casing, be provided with output shaft in the casing, be with output gear on the described output shaft, what be meshed with output gear is provided in a side of input mechanism in the casing, described input mechanism comprises power shaft, input gear and hydraulic motor, be with the input gear in the described power shaft, at least one end of described input gear is provided with hydraulic motor, described input gear is meshed with output gear, seals mutually by combination sealing mechanism between described output shaft and casing.
The reliable sealing submersible pump synthesizes gear-box with power, mainly by box assembly, the input gear, power shaft, output gear and output shaft are formed, described power shaft is designed to hollow-core construction, oil motor is installed in the cuttage of power shaft two ends, seal with plane glue between oil motor and the gear-box, use skeleton oil seal between power shaft and the casing, even seal failure between oil motor and the gear-box like this, seawater can not enter gear-box inside yet, the key of this scheme is: described gear-box output end cap and output shaft contact position are equipped with the combination sealing of outside framework oil seal and water seal composition, the water seal peripheral hardware is in respect of the high-pressure flush space, to prevent mud wearing and tearing sealed faying face, this casing top design has the hydraulic fluid port that is communicated with gravity oil tank.The combination sealing parts mainly are made of 2 outside framework oil seals, preceding spacer ring, back spacer ring, water seal, rear seal-cover, end cap, described 2 outside framework oil seals are installed in end cap near the gear-box inboard, the centre separates with preceding spacer ring, water seal is installed in the end cap middle part, separate with the back spacer ring between water seal and the outside framework oil seal, design has certain water flowing space between water seal and the rear seal-cover, adopts bigger matched in clearance between rear seal-cover and the output shaft.Gear-box power is imported by 8 hydraulic motors, this hydraulic motor cuttage respectively is installed in four power shaft axis hole two ends, four power shaft annulars are distributed on the outside of output shaft, and hot jacket has the input gear on hollow power shaft, this input gear and the output gear engagement that is installed on the output shaft.Wheel box body top design has the hydraulic fluid port that is communicated with gravity oil tank, can communicate with gravity oil tank in the cabin by pipeline.The gear case body assembly is made up of casing and back box lid, divides box structure before and after adopting, and input shaft bore goes in ring and is distributed in the output shaft hole outside.
As preferably, described combination sealing mechanism comprises outside framework oil seal circle, water seal circle, preceding spacer ring and back spacer ring, described outside framework oil seal circle and water seal snare are on output shaft, be with two outside framework oil seal circles on the described output shaft, be connected with preceding spacer ring between described outside framework oil seal circle, be connected with the back spacer ring between described outside framework oil seal circle and the water seal circle.
As preferably, be with end cap on the described output shaft, described end cap and casing are fastened, and described outside framework oil seal circle, water seal circle, preceding spacer ring and back spacer ring contact with end cap, the sidewall of described end cap is provided with rear seal-cover, and described rear seal-cover fixes with output shaft and contacts.
As preferably, described end cap is provided with the water under high pressure interface, and what be connected with the water under high pressure interface is the water flowing space, and described water flowing space contacts with the water seal circle.
As preferably, the two ends of described input gear are respectively equipped with hydraulic motor, and described casing is provided with hydraulic fluid port, and described hydraulic fluid port is connected with box house.
As preferably, be respectively equipped with input mechanism in four quadrants of described casing, the corresponding interposition of four input mechanisms is provided with output shaft.
As preferably, casing and back box lid before described casing comprises, before described output shaft, output gear, input mechanism and combination sealing mechanism are respectively equipped with in the casing, described before casing and back box lid be fastened.
Therefore, the power that is used for submersible pump that the utility model provides synthesizes gear-box, has following advantage:
(1), adopt the combination sealing parts, solved gearbox output shaft place positiver sealing and reduced the sealing surface wear problem;
(2), through gear-box top hydraulic fluid port gear-box is communicated with gravity oil tank, gear-box internal lubrication, heat radiation requirement have been solved, can compensate the loss of gear box lubricating oil simultaneously by gravity oil tank on the one hand, can change by the gravity oil tank oil level on the other hand and judge gear-box sealing situation;
(3), how the input list is exported in realization, the output requirement that submersible pump is high-power to satisfy, high pulling torque is exported after single oil motor small-power can being synthesized;
(4), divide box structure before and after adopting, built-in reinforcing rib is strengthened gear housing rigidity and intensity, makes things convenient for the gear-box dismounting, simultaneously good looking appearance.
Description of drawings
Fig. 1 is a plan structure schematic diagram of the present utility model;
Fig. 2 is an A-A sectional structure schematic diagram among Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of B portion among Fig. 2.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as Fig. 1, Fig. 2 and shown in Figure 3, a kind of synthetic gear-box of power that is used for submersible pump, comprise casing 1, casing 1 is provided with hydraulic fluid port 15, described hydraulic fluid port 15 is connected with casing 1 inside, be provided with output shaft 2 in the casing 1, be with output gear 3 on the described output shaft 2, what be meshed with output gear 3 is provided in a side of input mechanism in the casing 1, described input mechanism comprises power shaft 4, input gear 5 and hydraulic motor 6, be with input gear 5 in the described power shaft 4, at least one end of described input gear 5 is provided with hydraulic motor 6, the two ends of input gear 5 are respectively equipped with hydraulic motor 6, described input gear 5 is meshed with output gear 3, be respectively equipped with input mechanism in four quadrants of casing 1, the corresponding interposition of four input mechanisms is provided with output shaft 2,1 of described output shaft 2 and casing seal mutually by combination sealing mechanism, described combination sealing mechanism comprises outside framework oil seal circle 7, water seal circle 8, preceding spacer ring 9 and back spacer ring 10, described outside framework oil seal circle 7 and water seal circle 8 are enclosed within on the output shaft 2, be with two outside framework oil seal circles 7 on the described output shaft 2,7 on described outside framework oil seal circle is connected with preceding spacer ring 9, be connected with back spacer ring 10 between described outside framework oil seal circle 7 and the water seal circle 8, be with end cap 11 on the described output shaft 2, described end cap 11 is fastened with casing 1, described outside framework oil seal circle 7, water seal circle 8, preceding spacer ring 9 and back spacer ring 10 contact with end cap 11, the sidewall of described end cap 11 is provided with rear seal-cover 12, described rear seal-cover 12 fixes with output shaft 2 and contacts, described end cap 11 is provided with water under high pressure interface 13, what be connected with water under high pressure interface 13 is water flowing space 14, described water flowing space 14 contacts with water seal circle 8, casing 16 and back box lid 17 before described casing 1 comprises, described output shaft 2, output gear 3, in the casing 16, described preceding casing 16 and back box lid 17 were fastened before input mechanism and combination sealing mechanism were respectively equipped with.
Operating principle: described input gear hot jacket is on hollow power shaft, 8 hydraulic motors cuttage respectively are installed in 4 hollow power shaft two ends, adopt plane glue sealing between hydraulic motor and the casing, adopt skeleton oil seal between power shaft and the casing, design has combination sealing arrangement between described gear-box output end cap and the output shaft, and this casing top design has the hydraulic fluid port that is communicated with gravity oil tank.
Described 2 outside framework oil seal circles are installed in end cap near the gear-box inboard; end cap inboard employing cover plate or step are spacing; separate with preceding spacer ring in the middle of 2 outside framework oil seals; the water seal circle is installed in the end cap middle part; separate with the back spacer ring between water seal circle and the outside framework oil seal circle; have the lubricant grease inlet on back spacer ring middle part and the end cap; design has certain water flowing space between water seal circle and the rear seal-cover; adopt bigger matched in clearance between rear seal-cover and the output shaft; fill with lubricating grease between described 2 outside framework oil seal circles and between 2 outside framework oil seal circles and the water seal circle during assembling; the high pressure clear water injects between water seal circle and rear seal-cover during work; can wash muddy seawater on the one hand; prevent grains of sand wearing and tearing sealing contact surface; can reduce in the use seawater on the other hand to the corrosiveness of sealing surface; since in the oil sealing of twice outside framework oil seal is arranged; the protective effect of high pressure clear water is arranged, so can realize positiver sealing outward.
Described gear-box power is imported by 8 hydraulic motors, this hydraulic motor cuttage respectively is installed in four hollow power shaft axis hole two ends, four power shaft annulars are distributed on the outside of output shaft, hot jacket has the input gear on hollow power shaft, the output gear engagement on output shaft of this input gear and hot jacket, the meshing relation of the power of such 8 hydraulic motors by 4 inputs gears and output gears is aggregated on the output shaft to be exported, and can satisfy that underwater dredge pump is high-power, the needs of high pulling torque operating mode.
The box assembly of described gear-box is made up of preceding casing and back box lid, divides box structure before and after adopting, and input shaft bore goes in ring and is distributed in the output shaft hole outside, has solved gear (soaking is enclosed within on the axle) installation question bigger than axis hole.Simultaneously the hydraulic fluid port that is communicated with gravity oil tank is arranged in preceding casing top design, gear-box can be communicated with gravity oil tank by pipeline, gear-box internal lubrication, heat radiation requirement have been solved, can compensate the loss of gear box lubricating oil simultaneously by gravity oil tank on the one hand, can change by the gravity oil tank oil level on the other hand and judge gear-box sealing situation.
Claims (7)
1. a power that is used for submersible pump synthesizes gear-box, it is characterized in that: comprise casing (1), be provided with output shaft (2) in the casing (1), be with output gear (3) on the described output shaft (2), what be meshed with output gear (3) is provided in a side of input mechanism in the casing (1), described input mechanism comprises power shaft (4), input gear (5) and hydraulic motor (6), be with input gear (5) in the described power shaft (4), at least one end of described input gear (5) is provided with hydraulic motor (6), described input gear (5) is meshed with output gear (3), seals mutually by combination sealing mechanism between described output shaft (2) and casing (1).
2. the synthetic gear-box of power that is used for submersible pump according to claim 1, it is characterized in that: described combination sealing mechanism comprises outside framework oil seal circle (7), water seal circle (8), preceding spacer ring (9) and back spacer ring (10), described outside framework oil seal circle (7) and water seal circle (8) are enclosed within on the output shaft (2), be with two outside framework oil seal circles (7) on the described output shaft (2), be connected with preceding spacer ring (9) between described outside framework oil seal circle (7), be connected with back spacer ring (10) between described outside framework oil seal circle (7) and the water seal circle (8).
3. the synthetic gear-box of power that is used for submersible pump according to claim 2, it is characterized in that: be with end cap (11) on the described output shaft (2), described end cap (11) is fastened with casing (1), described outside framework oil seal circle (7), water seal circle (8), preceding spacer ring (9) and back spacer ring (10) contact with end cap (11), the sidewall of described end cap (11) is provided with rear seal-cover (12), and described rear seal-cover (12) fixes with output shaft (2) and contacts.
4. the synthetic gear-box of power that is used for submersible pump according to claim 3, it is characterized in that: described end cap (11) is provided with water under high pressure interface (13), what be connected with water under high pressure interface (13) is water flowing space (14), and described water flowing space (14) contacts with water seal circle (8).
5. the synthetic gear-box of power that is used for submersible pump according to claim 1 and 2, it is characterized in that: the two ends of described input gear (5) are respectively equipped with hydraulic motor (6), described casing (1) is provided with hydraulic fluid port (15), and described hydraulic fluid port (15) is connected with casing (1) inside.
6. the synthetic gear-box of power that is used for submersible pump according to claim 1 and 2, it is characterized in that: be respectively equipped with input mechanism in four quadrants of described casing (1), the corresponding interposition of four input mechanisms is provided with output shaft (2).
7. the synthetic gear-box of power that is used for submersible pump according to claim 1 and 2, it is characterized in that: described casing (1) comprises preceding casing (16) and back box lid (17), described output shaft (2), output gear (3), input mechanism and combination sealing mechanism are respectively equipped with in the preceding casing (16), and described preceding casing (16) and back box lid (17) are fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140723U CN201695428U (en) | 2010-06-01 | 2010-06-01 | Power synthesizing gearbox for underwater pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140723U CN201695428U (en) | 2010-06-01 | 2010-06-01 | Power synthesizing gearbox for underwater pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201695428U true CN201695428U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202140723U Expired - Lifetime CN201695428U (en) | 2010-06-01 | 2010-06-01 | Power synthesizing gearbox for underwater pump |
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| Country | Link |
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| CN (1) | CN201695428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146691A (en) * | 2011-02-28 | 2011-08-10 | 中交天津航道局有限公司 | Power control system and power adjustment method for drag suction dredger |
-
2010
- 2010-06-01 CN CN2010202140723U patent/CN201695428U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146691A (en) * | 2011-02-28 | 2011-08-10 | 中交天津航道局有限公司 | Power control system and power adjustment method for drag suction dredger |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |