CN2833200Y - Combined gear teeth hydraulic synchronous distributor - Google Patents
Combined gear teeth hydraulic synchronous distributor Download PDFInfo
- Publication number
- CN2833200Y CN2833200Y CN 200520072542 CN200520072542U CN2833200Y CN 2833200 Y CN2833200 Y CN 2833200Y CN 200520072542 CN200520072542 CN 200520072542 CN 200520072542 U CN200520072542 U CN 200520072542U CN 2833200 Y CN2833200 Y CN 2833200Y
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- distributor
- hydraulic
- gear teeth
- combined gear
- utility
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Abstract
The utility model provides a combined gear tooth hydraulic synchronous distributor with a high synchronous precision. The hydraulic synchronous distributor of the utility model applies a combined gear tooth structure to a hydraulic synchronous distributor, and a combined gear tooth mechanism is used as a liquid-distributing mechanism of a hydraulic distributor to equally divide flow into a plurality of parts. Simultaneously, a plurality of dividing units are integrated together, and the volume of elements is reduced farthest. The weight of the elements is decreased. Therefore, compared with the traditional hydraulic synchronous distributor, the utility model has the advantages of high flow dividing precision, small hydraulic pulsation, small size, large flow, range of speed regulation, reliable work, easy start at low speed, low noise, etc.
Description
Technical field:
The present invention relates to the hydraulic machinery device, relate in particular to the Hydraulic Synchronizing dispensing device.
Background technique:
Along with the develop rapidly of hydraulics, be widely used in metallurgical equipment, mining machinery, boring mechanic, overweight Transport Machinery, plastics machinery, farm machinery, casting as the hydraulic product of mechanical basic part and forged industries such as machinery, railway machinery, boats and ships, petrochemical industry, national defense industry, aerospace.Aspect the Hydraulic Synchronizing element, the synchronization accuracy of the synchronous valve that industry is at present used is lower, is generally about 3～5%, and it is synchronous only to be suitable for two executive components, when executive component more than two, or executive component is when being odd number, the synchronization accuracy problem of synchronous valve is more outstanding.When requiring synchronous executive component many more, realization is just difficult more synchronously, guarantees that synchronization accuracy is just difficult more.
The ZL97107754.1 patent of invention discloses a kind of " combined gear teeth mechanism ", its structural feature is can satisfy by a pair of that stable drive ratio, pitch wheel are secondary to be formed at least, be evenly equipped with little tooth and canine tooth or big teeth groove on each gear, in the transmission engagement process, the little tooth of two gears is meshing with each other, corresponding big teeth groove engagement on canine tooth on gear and another tool gear, and guarantee that each instantaneous velocity ratio equates all the time in the engagement rotary course.The tooth curve of little tooth, canine tooth or big teeth groove can be the curve of involute, cycloid or the two combination.
When this combined gear teeth mechanism and housing and two end cap are formed the ring-shaped cylinder appearance chamber of sealing, canine tooth merotomizes the ring-shaped cylinder cavity volume, during the gear engagement rotation, the volume generating period ground of these a few part cavity volumes changes, and can finish suction, conveying pressure and shunting to liquid medium.Compare with the existing mechanism assembly (as piston type, blade type, gear type, roots-type, screw type etc.) that is used for the liquid transmission, it has tangible advantage and effect, simple in structure, actual volume is big, the equilibrium of movement parts mass distribution, stability of rotation, friction, nothing are impacted, noise is low, flow and pressure pulsation are little, the volumetric efficiency height.Therefore " combined gear teeth mechanism " can be designed and manufactured into various pumps, motor and rotary engine.
The ZL00222908.0 utility model patent also discloses a kind of oil hydraulic motor that utilizes above-mentioned combined gear teeth mechanism.Because the height nip is asymmetric in this oil hydraulic motor body, the uneven radial pressure that produces additional to bearing and axle system of hydraulic pressure, body center's wheel is in the hydraulic pressure non-equilibrium state all the time, and this has influenced bearing capacity, life-span and the functional reliability of oil hydraulic motor.
Technology contents:
Technical problem to be solved in the utility model is, no matter a kind of what of synchronous executive component quantity of requiring are provided, can both obtain the compound gear teeth Hydraulic Synchronizing distributor of higher synchronization accuracy.
Combined gear teeth Hydraulic Synchronizing distributor described in the utility model, comprise left and right sides end cap, thrust plate, housing, axis and fluid distributing mechanism, it is characterized in that: described fluid distributing mechanism is by the combined gear teeth mechanism of arranging symmetrically that at a central gear periphery a plurality of periphery wheels are formed; The central gear of this combined gear teeth mechanism is fixed on the axis, and central gear drives all cincture rotations that its periphery is meshed with it.
The ring-shaped cylinder that combined gear teeth Hydraulic Synchronizing distributor described in the utility model is formed sealing by combined gear teeth mechanism and housing and two end cap describes the chamber, and the canine tooth of central gear merotomizes the ring-shaped cylinder cavity volume.In the course of the work, fluid promotes the canine tooth rotation of central gear, and central gear drives its periphery and its pinion in mesh rotation, and fluid flows through from the combined gear teeth pair continuously and regularly and shunted.
Combined gear teeth Hydraulic Synchronizing distributor described in the utility model has adopted the structure of arranging a plurality of all cinctures symmetrically at a central gear periphery, a plurality of combined gear teeth pairs have promptly been formed, it is installed in the same body, has just formed the integrated brand-new structure of pressure distributor in parallel.This structure is very compact, increases under the little situation at volume, can make discharge capacity increase (n-1) doubly (n is the number of all cinctures), can realize that pressure distributor under low pressure starts easily simultaneously, and high shunting precision and hydraulic pulsation are less.
All cinctures that combined gear teeth Hydraulic Synchronizing distributor described in the utility model adopts are around the center symmetric configuration, make the interior height of body nip symmetrical, make central gear be in the state of suspension of hydro-cushion all the time, substantially eliminated because of the uneven additional radial pressure of hydraulic pressure, improved bearing capacity, life-span and the reliability of pressure distributor to bearing and axle system.
Compound gear Hydraulic Synchronizing distributor of the present utility model adopts the 3 stops general structure, promptly by front and rear cover and organization, and has adopted the big bearings of axis structure.Three stage structure makes Hydraulic Synchronizing distributor overall structure firm, and bearing capacity is strong, good rigidly.
Combined gear teeth pair in the fluid distributing mechanism that the utility model adopted, its structure and shape have given abundant disclosure in ZL97107754.1 patent of invention and ZL00222908.0 utility model patent document.
Improve bearing pressure and life-span of synchronous distributor in order to be beneficial to, the ratio of the central gear of the combined gear teeth pair that the utility model adopted and the standard pitch diameter of all cinctures is more than 3: 1, compare at 1: 1 with general gear type shunt, the A/F of its cavity has reduced 2/3, thereby reduced the suffered radial pressure of follower greatly, wearing and tearing are reduced.
In order to make distributor under any circumstance all can obtain automatic elastic compensating, the utility model has also increased compensating plate at end cap with the end that combines of housing, the clack valve structure is stuck up in employing, this can improve the efficient and the working pressure of synchronous distributor effectively, under the prerequisite of physical dimension that neither increases distributor and manufacturing process difficulty, can realize bigger flow volume ratio.
In order to guarantee the functional reliability of distributor, the utility model has also adopted the thrust plate of the annular groove valve plate distribution structure of confluxing.
It is little to adopt the Hydraulic Synchronizing distributor of above structure to have a volume, and flow is big, speed-regulating range width, and reliable operation, the low speed starting is easy especially, and noise is low, and hydraulic pulsation is little, and is simple in structure, and good manufacturability need not special material, plurality of advantages such as non-environmental-pollution.
With respect to common Hydraulic Synchronizing distributor, the utility model adopts the fluid transmitting assemblies of combined gear teeth mechanism as the Hydraulic Synchronizing distributor, realizes the some five equilibriums to flow, simultaneously several allocation units is integrated, dwindle the volume of element to greatest extent, reduce the weight of element, it is little therefore to have a volume, and flow is big, speed-regulating range width, reliable operation, plurality of advantages such as low speed starting is easy especially, and noise is low.
Compare with the similar oil hydraulic motor of working principle, the utility model does not have output shaft, and is simple in structure, overcome the shortcoming of similar synchronous valve on form structure and installation form simultaneously, the pressure loss is little, synchronization accuracy height, the ingenious advantage that combines common synchronous valve and oil hydraulic motor.
Description of drawings:
Fig. 1 is the utility model radial cross section schematic representation
Fig. 2 is the axial schematic representation of the utility model
Fig. 3 is the schematic representation of the thrust plate that the utility model adopted
Specific embodiment:
Now in conjunction with the accompanying drawings the utility model is further specified:
As shown in Figure 1, combined gear teeth Hydraulic Synchronizing distributor of the present utility model comprises oil inlet and outlet end cap 1, oil distribution casing 6, housing 7, stifle 11, and as the combined gear teeth mechanism of fluid distributing mechanism.Oil inlet and outlet end cap 1 is provided with filler opening 21 and several oil outlets 22.The ring-shaped cylinder that oil inlet and outlet end cap 1, oil distribution casing 6, housing 7, stifle 11 two end cap are formed sealing describes the chamber.The ring-shaped cylinder that combined gear teeth mechanism is installed in this sealing describes in the chamber, the central gear 14 of combined gear teeth mechanism is fixed on the axis 9, the all cincture of several of combined gear teeth mechanism 13 is by peripheral wheel shaft 12, is arranged in the periphery of central gear 14 symmetrically and is meshed with it.
As shown in Figure 2, three kinds of profiles of tooth are arranged on a pair of combined gear teeth pair, i.e. canine tooth, little tooth and big teeth groove.A pair of combined gear teeth pair is assembled in the cavity, has formed an annular space between the little tooth of cavity and central gear, and be separated into several parts up and down by canine tooth and two points of mesh.When central gear moves clockwise, the bottom formed one gradually expansion low pressure area, top just becomes the zone of high pressure that gradually reduces and diminish, thereby realizes that suction and pressure shunt function.In the course of the work, fluid promotes the canine tooth rotation of central gear 14, and central gear 14 drives its all cincture 13 rotations, and then fluid flows through from the combined gear teeth pair continuously and regularly and shunted.
As shown in Figure 3, thrust plate 6 adopts the annular groove valve plate distribution structure of confluxing.
Claims (4)
1, a kind of Hydraulic Synchronizing distributor comprises left and right sides end cap, thrust plate, housing, axis and fluid distributing mechanism, it is characterized in that: described fluid distributing mechanism is by the combined gear teeth mechanism of arranging symmetrically that at a central gear periphery a plurality of periphery wheels are formed; The central gear of this combined gear teeth mechanism is fixed on the axis, and central gear drives all cincture rotations that its periphery is meshed with it.
2, Hydraulic Synchronizing distributor as claimed in claim 1 is characterized in that: the ratio of the central gear of described combined gear teeth mechanism and the standard pitch diameter of all cinctures is more than 3: 1.
3, Hydraulic Synchronizing distributor as claimed in claim 1 or 2 is characterized in that: increase compensating plate at end cap with the end that combines of housing.
4, Hydraulic Synchronizing distributor as claimed in claim 1 or 2 is characterized in that: described thrust plate adopts the annular groove valve plate distribution structure of confluxing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072542 CN2833200Y (en) | 2005-06-13 | 2005-06-13 | Combined gear teeth hydraulic synchronous distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072542 CN2833200Y (en) | 2005-06-13 | 2005-06-13 | Combined gear teeth hydraulic synchronous distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833200Y true CN2833200Y (en) | 2006-11-01 |
Family
ID=37197513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520072542 Expired - Fee Related CN2833200Y (en) | 2005-06-13 | 2005-06-13 | Combined gear teeth hydraulic synchronous distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2833200Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654432A (en) * | 2017-10-11 | 2018-02-02 | 长治市潞安合力机械有限责任公司 | A kind of vane hydraulic distributor |
-
2005
- 2005-06-13 CN CN 200520072542 patent/CN2833200Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654432A (en) * | 2017-10-11 | 2018-02-02 | 长治市潞安合力机械有限责任公司 | A kind of vane hydraulic distributor |
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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: 20061101 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |