CN205044932U - Hydraulic pressure screw - Google Patents
Hydraulic pressure screw Download PDFInfo
- Publication number
- CN205044932U CN205044932U CN201520638897.0U CN201520638897U CN205044932U CN 205044932 U CN205044932 U CN 205044932U CN 201520638897 U CN201520638897 U CN 201520638897U CN 205044932 U CN205044932 U CN 205044932U
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- oil
- oilhole
- cylinder
- oil cylinder
- spool
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Abstract
The utility model discloses a hydraulic pressure screw, including swing disk hydro -cylinder motor, shaft coupling, main shaft, screw and support, wherein to swing disk hydro -cylinder motor, shaft coupling, main shaft and screw and connect gradually, the main shaft is installed on the support. The utility model discloses a swing disk hydro -cylinder motor can not only realizes infinitely variable speed more simply to screw transmission power, owing to reduced the transmission part, has simplified the structure in addition, can reduce wearing and tearing and the energy loss of transmission in -process between the part, has lowered the cost.
Description
Technical field
The utility model relates to screw propeller driving design field, especially relates to a kind of hydraulic screw oar.
Background technology
Screw propeller depends on blade to rotate in air or water, for the equipment such as boats and ships, aircraft, Submarine provide the device of propulsive force, the kind of screw propeller is a lot, and two or more leaf usually can be had to be connected with hub, and the one side backward of leaf is for helical surface or be similar to helical surface.And the screw propeller of traditional boats and ships is all adopt mechanical drive, namely driven by engine change speed gear box is adopted, again through transmission shaft, propeller rotational is driven with this, but such drive configuration not only complex structure, installs inconvenient, and will carry out speed change and control pretty troublesome, be difficult to place under repair once damage, cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of structure simple, safe and reliable, easy to installation and maintenance, low cost of manufacture, can carry out the hydraulic screw oar that controls by hydraulic efficiency pressure system.
According to an aspect of the present utility model, provide a kind of hydraulic screw oar, comprise oscillating disc oil cylinder motor, plunging joint, main shaft, screw propeller and support, wherein oscillating disc oil cylinder motor, plunging joint, main shaft are connected successively with screw propeller, and main shaft is rack-mount.
The beneficial effects of the utility model are: the utility model comes screw propeller transferring power by oscillating disc oil cylinder motor, electrodeless variable-speed can not only be realized more simply, and owing to decreasing driving parts, simplify the structure, the wearing and tearing between part and the degradation of energy in transmission process can be reduced, reduce cost.
In some embodiments, oscillating disc oil cylinder motor comprises bent axle, wobble-plate, oil cylinder, oil distributing valve, shift fork, connecting rod and housing, wherein bent axle is connected with plunging joint, wobble-plate is arranged on bent axle, oil cylinder is connected with wobble-plate and oil distributing valve respectively, and shift fork is arranged on oil cylinder, and connecting rod one end is connected with oil distributing valve, the other end is connected with shift fork, and bent axle, oil cylinder and oil distributing valve are installed on housing.Oscillating disc oil cylinder motor makes oil distributing valve correspondingly carry out joining oil by the action of shift fork and connecting rod, makes multiple oil cylinder carry out different actions, thus promotes wobble-plate swing, and makes crank rotation, drives load movement with this.The present invention does not re-use oil distribution casing and carries out planar oil distributing, and structure is simple, decreases turning unit, and join oil accurately, can reduce wearing and tearing when joining oil and Leakage, reliability, the life-span is long.
In some embodiments, bent axle comprises left half axle, eccentric shaft and right axle shaft, and wherein left half axle, eccentric shaft are connected by flat key successively with right axle shaft.Bent axle is provided with eccentric shaft, and wobble-plate can be coordinated to move, and making wobble-plate its axle center discord axis when swinging overlapping, the oil cylinder be connected with wobble-plate can be made like this to be in different actions.
In some embodiments, wobble-plate comprises sleeve and flange, and wherein flange is fixed on sleeve, and sleeve is arranged on eccentric shaft, and flange is provided with the first hole.The setting in the first hole can facilitate the connection of oil cylinder.
In some embodiments, oil cylinder comprises cylinder body, plunger and cylinder rack, and wherein cylinder body is arranged in cylinder rack, and plunger is connected with cylinder body, and plunger is provided with the second hole, and the second hole and the first hole match, and cylinder rack is provided with the first oilhole, and the first oilhole is communicated with cylinder body.Plunger is provided with the first hole and plunger can be facilitated to be connected with wobble-plate, and cylinder rack is provided with the first oilhole, is to facilitate cylinder body oil-feed, makes plunger can carry out stretching out and contractive action.
In some embodiments, its middle shell is provided with fuel feed hole and oil outlet.It is conveniently the entering and flow out oil distributing valve of hydraulic oil that housing is provided with fuel feed hole and oil outlet.
In some embodiments, oil distributing valve comprises valve body, spool and valve gap, and wherein valve gap is arranged on valve body two ends, and spool is arranged in valve body, and connecting rod is arranged on valve body, and one end is connected with spool.Connecting rod is connected with spool, makes connecting rod that movable valve plug can be with to move in valve body, thus makes oil distributing valve reasonably join oil.
In some embodiments, valve body is provided with the second oilhole, the 3rd oilhole and the 4th oilhole, and wherein the second oilhole is connected with the first oilhole, and the 3rd oilhole is connected by oil pipe with fuel feed hole, and the 4th oilhole is connected by oil pipe with oil outlet.Arranging of 3rd oilhole and the 4th oilhole can make spool when mobile, changes it in good time and is communicated with situation with the second oilhole, change the mode of operation of oil cylinder with this.
In some embodiments, spool is provided with the first groove and the second groove, and wherein the first groove, the second groove all mate with the 3rd oilhole and the 4th oilhole.First groove and the second groove the inflow and outflow that can facilitate hydraulic oil are set, ensure that the work of spool is effectively reliable.
In some embodiments, spool is provided with balance hole.Balance hole can allow the both sides clearance pressure of spool and valve gap balance, and when ensureing that spool moves in valve body, can not be obstructed because of hydraulic oil.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hydraulic screw oar of one embodiment of the present invention.
Fig. 2 is the structural representation of the oil cylinder of oscillating disc shown in Fig. 1 motor.
Fig. 3 is the left view of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Fig. 4 is the structural representation of the bent axle of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Fig. 5 is the left view of the bent axle of the oil cylinder of oscillating disc shown in Fig. 4 motor.
Fig. 6 is the structural representation of the wobble-plate of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Fig. 7 is the left view of the wobble-plate of the oil cylinder of oscillating disc shown in Fig. 6 motor.
Fig. 8 is the structural representation of the oil cylinder of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Fig. 9 is the left view of the oil cylinder of the oil cylinder of oscillating disc shown in Fig. 8 motor.
Figure 10 is the structural representation of the oil distributing valve of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Figure 11 is the birds-eye view of the oil distributing valve of the oil cylinder of oscillating disc shown in Figure 10 motor.
Figure 12 is the cutaway view of the A-A section of the oil distributing valve of the oil cylinder of oscillating disc shown in Figure 10 motor.
Figure 13 is the schematic diagram of the oil cylinder of oscillating disc shown in Fig. 2 motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to figure 1, hydraulic screw oar of the present utility model, comprises oscillating disc oil cylinder motor 1, plunging joint 2, main shaft 3, screw propeller 4 and support 5.Plunging joint 2 one end is connected with oscillating disc oil cylinder motor 1, and the other end is connected with one end of main shaft 3, and the other end of main shaft 3 is connected with screw propeller 4, and main shaft 3 bearing is arranged on support 5, and support 5 directly can be installed on hull with bolt.
Referring to figs. 2 and 3, oscillating disc oil cylinder motor 1 comprises bent axle 11, wobble-plate 12, oil cylinder 13, oil distributing valve 14, shift fork 15, connecting rod 16 and housing 17.Bent axle 11 is connected by flat key with plunging joint 2, wobble-plate 12 bearing is arranged on bent axle 11, oil cylinder 13 has multiple, multiple oil cylinder 13 is all connected with wobble-plate 12, and each oil cylinder 13 is connected with an oil distributing valve 14, and shift fork 15 is arranged on oil cylinder 13, connecting rod 16 one end is connected with oil distributing valve 14, the other end is connected with shift fork 15, and bent axle 11, oil cylinder 13 and oil distributing valve 14 are installed on housing 17, and housing 17 is also provided with fuel feed hole 171 and oil outlet 172.
With reference to figure 4 and Fig. 5, bent axle 11 comprises left half axle 111, eccentric shaft 112 and right axle shaft 113.Wherein left half axle 111, eccentric shaft 112 are connected by flat key successively with right axle shaft 113, and the axle center of eccentric shaft 112 does not overlap with the axle center of left half axle 111 and right axle shaft 113, and namely the axle center of eccentric shaft 112 and the axle center of housing 17 also do not overlap.
With reference to figure 6 and Fig. 7, wobble-plate 12 comprises sleeve 121 and flange 122.Wherein flange 122 is weldingly fixed on sleeve 121, and sleeve 121 is arranged on eccentric shaft 112, and it is multiple that flange 122 is provided with the first hole, hole 1221, first 1221, is evenly distributed on flange 122.
With reference to figure 8 and Fig. 9, oil cylinder 13 comprises cylinder body 131, plunger 132 and cylinder rack 133.Cylinder body 131 nut is arranged in cylinder rack 133, plunger 132 is connected with cylinder body 131, plunger 132 is provided with the second hole 1321, second hole 1321 and the first hole 1221 match, second hole 1321 and the first hole 1221 are coupled together by unit's pin, and namely plunger 132 is fixedly connected on wobble-plate 112, and cylinder body 131 surrounds cavity, cylinder rack 133 is provided with the cavity connects that the first oilhole 1331, first oilhole 1331 and cylinder body 131 surround.
With reference to Figure 10-Figure 12, oil distributing valve 14 comprises valve body 141, spool 142 and valve gap 143.Valve gap 143 bolt is arranged on valve body 141 two ends, and spool 142 is arranged in valve body 141, and connecting rod 16 is arranged on valve body 141, and one end unit's pin is connected with spool 142.Valve body 141 is provided with the second oilhole 1411, 3rd oilhole 1412 and the 4th oilhole 1413, second oilhole 1411 is connected by oil pipe with the first oilhole 1331, 3rd oilhole 1412 is connected by oil pipe with fuel feed hole 171, 4th oilhole 1413 is connected by oil pipe with oil outlet 172, spool 142 is provided with the first groove 1421 and the second groove 1422, first groove 1421 and the second groove 1422 are all annular grooves, first groove 1421, the size of the second groove 1422 and the 3rd oilhole 1412 and the 4th oilhole 1413 size match, and position is also mated, in addition between the first groove 1421 and the second groove 1422, spool 142 is provided with certain inclined-plane, hydraulic oil is facilitated to flow in groove.
In addition, the chamber that spool 142 surrounds compared with valve body 141 and valve gap 143 is little, and in order to make spool 142 can move in valve body 141, spool 142 is also provided with balance hole 1423, make the pressure in the gap, both sides between spool 142 and valve gap 143 equal, spool 142 can successfully be moved.
With reference to figure 1-Figure 13, the fuel feed hole 171 of oscillating disc oil cylinder motor 1 is connected with oil revolving end with the oil inlet end of hydraulic efficiency pressure system respectively with oil outlet 172.During utility model works, the shift fork 15 meeting drivening rod 16 of a part of oil cylinder 13 connection of oscillating disc oil cylinder motor 1, pull spool 142 to left movement, now, 4th oilhole 1413 is closed, second oilhole 1411 is communicated with the second groove 1422, hydraulic oil flow into the 3rd oilhole 1412 from fuel feed hole 171, again by the second groove 1422 of spool 142, flow out from the second oilhole 1411, flow in the cylinder body 131 of oil cylinder 13 finally by the first oilhole 1331, plunger 132 stretches out, and this part oil cylinder 13 is in the state of stretching out; And the shift fork 15 meeting drivening rod 16 that another part oil cylinder 13 connects, spool 142 is pulled to move right, now, 3rd oilhole 1412 is closed, second oilhole 1411 is communicated with the first groove 1421, hydraulic oil flows out in the cylinder body 131 of oil cylinder 13, flow in the first groove 1421 by the first oilhole 1331 and the second oilhole 1411 again, then flowed out by the 3rd oilhole 1413, flow back in hydraulic efficiency pressure system finally by oil outlet 172, because hydraulic oil flows out in the cylinder body 131 of oil cylinder 13, plunger 132 is retracted, and this part oil cylinder 13 is in retracted mode.
Bent axle 11 drives main shaft 3 to rotate by plunging joint 2, and main shaft 3 rotates carrying screws 4 and rotates.In addition, in not the overlapping with housing 17 axle center of eccentric shaft 112 of bent axle 11, the center of the line of centres intersection point of all oil cylinders 13 and the eccentric shaft 112 of bent axle 11 is not overlapped, when the eccentric shaft 112 of bent axle 11 rotates, the cylinder body 131 of oil cylinder 13 can produce swing, shift fork 15 on the cylinder body 131 of simultaneously oil cylinder 13 also can swing, drivening rod 16 makes spool 142 move, the action of plunger 132 is changed gradually, finally make the corresponding change of the state of oil cylinder 13, namely the oil cylinder 13 stretching out state can become the oil cylinder 13 of retracted mode, oil cylinder 13 is alternately constantly stretched out and retraction plunger 132, also therefore bent axle 11 can constantly rotate, namely main shaft 3 constantly rotates, carrying screws 4 constantly rotates, and promote advancing of boats and ships with this.
In addition, when fuel feed hole 171 being accessed the oil revolving end of hydraulic efficiency pressure system, oil outlet 172 accesses the oil inlet end of hydraulic efficiency pressure system, hydraulic oil, from the turnover of different positions, can make oil cylinder 13 in same the joining in oily process of above-mentioned oil distributing valve 14, obtain different stretching out and retracted mode, therefore, dynamic crankshaft 11 can be with to reverse, i.e. main shaft 3 contrarotation, carrying screws 4 contrarotation.Present invention employs number of parts few, the high pressure resistant high-performance oscillating disc oil cylinder motor that the life-span is long, and owing to using HYDRAULIC CONTROL SYSTEM, easily reach electrodeless variable-speed, simplify overall structure, it is convenient to control, and reduces cost.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (9)
1. hydraulic screw oar, is characterized in that, comprises oscillating disc oil cylinder motor (1), plunging joint (2), main shaft (3), screw propeller (4) and support (5), described oscillating disc oil cylinder motor (1), plunging joint (2), main shaft (3) is connected successively with screw propeller (4), and described main shaft (3) is arranged on support (5), and described oscillating disc oil cylinder motor (1) comprises bent axle (11), wobble-plate (12), oil cylinder (13), oil distributing valve (14), shift fork (15), connecting rod (16) and housing (17), described bent axle (11) is connected with plunging joint (2), described wobble-plate (2) is arranged on bent axle (11), described oil cylinder (13) is connected with wobble-plate (12) and oil distributing valve (14) respectively, described shift fork (15) is arranged on oil cylinder (13), described connecting rod (16) one end is connected with oil distributing valve (14), the other end is connected with shift fork (15), described bent axle (11), oil cylinder (13) and oil distributing valve (14) are installed on housing (17).
2. hydraulic screw oar according to claim 1, it is characterized in that, described bent axle (11) comprises left half axle (111), eccentric shaft (112) and right axle shaft (113), and described left half axle (111), eccentric shaft (112) are connected by flat key successively with right axle shaft (113).
3. hydraulic screw oar according to claim 2, it is characterized in that, described wobble-plate (12) comprises sleeve (121) and flange (122), described flange (122) is fixed on sleeve (121), described sleeve (121) is arranged on eccentric shaft (112), and described flange (122) is provided with the first hole (1221).
4. hydraulic screw oar according to claim 3, it is characterized in that, described oil cylinder (13) comprises cylinder body (131), plunger (132) and cylinder rack (133), described cylinder body (131) is arranged in cylinder rack (133), described plunger (132) is connected with cylinder body (131), described plunger (132) is provided with the second hole (1321), described second hole (1321) and the first hole (1221) match, described cylinder rack (133) is provided with the first oilhole (1331), described first oilhole (1331) is communicated with cylinder body (131).
5. hydraulic screw oar according to claim 4, is characterized in that, described housing (17) is provided with fuel feed hole (171) and oil outlet (172).
6. hydraulic screw oar according to claim 5, it is characterized in that, described oil distributing valve (14) comprises valve body (141), spool (142) and valve gap (143), described valve gap (143) is arranged on valve body (141) two ends, described spool (142) is arranged in valve body (141), described connecting rod (16) is arranged on valve body (141), and one end is connected with spool (142).
7. hydraulic screw oar according to claim 6, it is characterized in that, described valve body (141) is provided with the second oilhole (1411), the 3rd oilhole (1412) and the 4th oilhole (1413), described second oilhole (1411) is connected with the first oilhole (1331), described 3rd oilhole (1412) is connected by oil pipe with fuel feed hole (171), and described 4th oilhole (1413) is connected by oil pipe with oil outlet (172).
8. hydraulic screw oar according to claim 7, it is characterized in that, described spool (142) is provided with the first groove (1421) and the second groove (1422), and described first groove (1421), the second groove (1422) are all mated with the 3rd oilhole (1412) and the 4th oilhole (1413).
9. hydraulic screw oar according to claim 8, is characterized in that, described spool (142) is provided with balance hole (1423).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638897.0U CN205044932U (en) | 2015-08-21 | 2015-08-21 | Hydraulic pressure screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638897.0U CN205044932U (en) | 2015-08-21 | 2015-08-21 | Hydraulic pressure screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205044932U true CN205044932U (en) | 2016-02-24 |
Family
ID=55338531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520638897.0U Expired - Fee Related CN205044932U (en) | 2015-08-21 | 2015-08-21 | Hydraulic pressure screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205044932U (en) |
-
2015
- 2015-08-21 CN CN201520638897.0U patent/CN205044932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20210821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |