CN202811585U - Gear-type hydraulic flow divider - Google Patents
Gear-type hydraulic flow divider Download PDFInfo
- Publication number
- CN202811585U CN202811585U CN 201220283073 CN201220283073U CN202811585U CN 202811585 U CN202811585 U CN 202811585U CN 201220283073 CN201220283073 CN 201220283073 CN 201220283073 U CN201220283073 U CN 201220283073U CN 202811585 U CN202811585 U CN 202811585U
- Authority
- CN
- China
- Prior art keywords
- side plate
- gear
- cavity
- type hydraulic
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a gear-type hydraulic flow divider which comprises two end covers, two or more cavities, intermediates and gear shafts, wherein two or more cavities are arranged between the two end covers; each cavity is provided with an 8-shaped inner cavity; both sides of the middle parts of the 8-shaped inner cavities are respectively provided with oil inlet cavities and oil outlet cavities; a pair of meshed gear pairs are arranged in each 8-shaped inner cavity; at least one oil inlet cavity is provided with an oil inlet passage connected with the outside; the oil outlet cavity of each cavity is provided with an oil outlet passage communicated with the outside; each intermediate is arranged between each two adjacent cavities; the gear shafts are used for supporting the gear pairs; one ends of the gear shafts are arranged in supporting bearing holes of the end covers and the other ends of the gear shafts are arranged in supporting bearing holes of the intermediates; and in the 8-shaped inner cavities of the cavities, both end faces of the gear pairs are respectively provided with floating lateral plates and sealing part assemblies. The utility model solves the problems of large end face leakage and low flow division accuracy of a hydraulic flow divider in the prior art, and provides the gear-type hydraulic flow divider with low end face leakage and high flow division accuracy.
Description
Technical field
The utility model relates to a kind of hydraulic flow dispensing device, specifically a kind of gear type hydraulic divider.
Background technique
The Hydraulic Power Transmission System of some large-scale metallurgy, mine and engineering mechanical device is comprised of a plurality of subfunctions loop, some duplexure requires its actuator to have synchronizing function, and the duplexure that has requires its working pressure to be higher than the rated pressure of oil hydraulic pump in the hydraulic system.In the hydraulics, the technical measures that traditional solution is synchronized with the movement mainly contain: (1) can adopt the multiloop of the independent fuel feeding of many pumps; (2) synchronizing circuit of use flow divider-combiner, synchronous hydraulic cylinder or series flow control valve formula.The scheme of above-mentioned synchronized splitter device not only exists power loss large, system easily generates heat, unstable properties, it is low, the poor stability of shunting precision, and system uses on the element many, pipeline connects complicated, be difficult for adjusting and cost higher, more can not realize making the working pressure of certain duplexure to be higher than the rated pressure of hydraulic system oil feed pump.
The model utility content
For this reason, technical problem to be solved in the utility model is low, the poor stability of hydraulic shunting device shunting precision of the prior art, and a kind of shunting precision is high, the gear type hydraulic divider of good stability thereby provide.
For solving the problems of the technologies described above, a kind of gear type hydraulic divider of the present utility model comprises
Two end caps;
Be arranged on the two or more cavitys between two described end caps, each described cavity all forms the 8-shaped inner chamber, both sides, 8-shaped inner chamber middle part form respectively an oil suction chamber and one and go out the chamber, it is secondary to be provided with a pair of pitch wheel in the 8-shaped inner chamber, the oil suction chamber of at least one described cavity is provided with the oil inlet passage that is connected with the external world, and the oil pocket that goes out of each described cavity is provided with the oil discharge passage that is in communication with the outside;
Be arranged on the intermediate between adjacent two described cavitys; Gear shaft one end that supports described gear pair is arranged in the spring bearing hole of described end cap or in the spring bearing hole of described intermediate, the other end is arranged in the spring bearing hole of adjacent described intermediate;
In described cavity 8-shaped inner chamber, described gear pair both ends of the surface are respectively arranged with floating side plate and Sealing sub-assembly.
Described end cap, cavity is provided with the sealing gasket sealing between the junction plane of intermediate, two straight pin location.
Be formed with the oil suction chamber of each described cavity of oil-feed hole link on the described intermediate.
Use the involute splined shaft connection for transmission between the driving gear shaft in every pair of described gear pair, the gear shaft center of driven gear all is provided with central through bore, and the intermediate collection chamber that arranges on the end cap collection chamber that arranges on described central through bore and the described end cap and the described intermediate is communicated with and forms drainback passage.
The 8-shaped inner chamber of the profile of described floating side plate and described cavity is complementary, two centers of described its 8-shaped of floating side plate are provided with the gear shaft via hole, described floating side plate one side of pressing close to the gear pair end face is that side plate is positive, described floating side plate opposite side is the side plate back side, be provided with the double square compensating groove in described side plate front, be provided with the side plate Sealing in the seal groove at its side plate back side, two centers of seal groove are coaxial respectively with two gear shaft via holes.
Described side plate Sealing is that two ends are respectively with the Sealing of the 8-shaped polyurethane material of a pair of isolation pawl; Described side plate Sealing becomes four zones with the spatial separation between the space between described floating side plate and the described intermediate or described floating side plate and the described end cap, the zone that is communicated with described oil suction chamber is the zone of high pressure, go out the regional low pressure area that oil pocket is communicated with described, remaining two zones is transition zone.
The arbitrary side of described side plate Sealing forms respectively the strip projected parts of sealing along the inside and outside edge of its shape, the cross section semicircular in shape of described projection, and the total thickness of described side plate Sealing is greater than the degree of depth of described groove.
Described gear shaft is arranged in the spring bearing hole on described end cap and the described intermediate, and employed bearing is sliding bearing.
The facewidth of described each gear pair equates to consist of the equivalent shunt.
The facewidth of each gear pair is unequal to be quantitative shunt.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) gear type hydraulic divider described in the utility model has adopted subregion pressure-compensated axial float side plate, two ends are set respectively with the 8-shaped Sealing of a pair of isolation pawl in the seal groove at the side plate back side, the side plate back side is separated into the zone of high pressure, low pressure area, the pressure transition district, when gear diverter is worked, to be a bit larger tham with joint efforts making a concerted effort of reaction thrust that side plate front hydraulic oil produces of the equilibrant force that produces from the positive hydraulic oil of introducing each pressure area, the side plate back side of side plate, and make two line of action of force conllinear, both can avoid the side plate distortion, make again the gap of side plate and gear pair end face little and even, reduced the leakage of gear diverter, improve its volumetric efficiency, and then improved shunting precision, good stability.
(2) gear type hydraulic divider profile described in the utility model is by end cap, cavity, and the slice structure that intermediate forms, its technology capability is good, and cost is lower.
(3) the side plate Sealing of gear type hydraulic divider described in the utility model is that two ends are respectively with the 8-shaped Sealing of a pair of isolation pawl, the one side forms respectively the strip projected parts of sealing along the inside and outside edge of its shape, the cross section semicircular in shape that this is protruding, make its with the side plate sealing surface between to contact be line contact, sealing effect is better, and the total thickness of described side plate Sealing is greater than the degree of depth of described groove.
(4) described side plate Sealing adopts polyurethane material, uses a sealing ring washer with respect to the Sealing minimizing of rubber material, but Cost reduction.
(5) in gear type hydraulic divider described in the utility model, described transmission shaft adopts the involute outer spline axle, each joins between the driving gear shaft with involute splined shaft and is connected to form the rigid motion constraint, both can guarantee to flow through each to the working flow of gear pair by its separately the gear width ratio distribute, and processing is simple, assembling is easy, and centering is good.
(6) in gear type hydraulic divider described in the utility model, employed bearing is the strong composite material sliding bearing, makes the rated pressure of described gear type hydraulic divider reach 25 MPa, shock resistance, and noise is low in the work.
(7) gear type hydraulic divider described in the utility model, its rated pressure reaches 25 MPa,, discharge capacity scope 10 ~ 200 mL/r, speed range 500 ~ 2000 r/min, streaming error is less than 10%.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is gear type described in the utility model (bigeminy) hydraulic divider schematic representation;
Fig. 2 is the described cavity side schematic view in the gear type hydraulic divider described in the utility model;
Fig. 3 is the described intermediate side structure schematic representation in the gear type hydraulic divider described in the utility model;
Fig. 4 is the structural representation of the described end cap side in the gear type hydraulic divider described in the utility model;
Fig. 5 has the described floating side plate schematic rear view of Sealing in the gear type hydraulic divider described in the utility model;
Fig. 6 has the described floating side plate front schematic view of Sealing in the gear type hydraulic divider described in the utility model;
The schematic representation of Fig. 7 side plate Sealing described in the utility model;
Fig. 8 is the E-E sectional view of Fig. 7.
Reference character is expressed as among the figure: 10-end cap, 11-left end cap, 12-right end cap, the 20-cavity, the 201-oil suction chamber, 202-goes out oil pocket, 21-the first cavity, 22-the second cavity, 30-intermediate, the 40-gear pair, 401-central through bore, 402-involute splines axis hole, the 41-driving gear, 42-driven gear, 43-involute splined shaft, the 44-bearing, 50-floating side plate, 501-groove, 503-gear shaft via hole, 504-drain charge groove, 60-side plate Sealing, 601-isolates pawl, the 603-projection, 70-sealing gasket, I-zone of high pressure, the II-low pressure area, the III-transition zone.
Embodiment
Figure 1 shows that to have an oil inlet passage, the dual gear formula hydraulic divider of two oil discharge passages comprises two end caps 10, is respectively left end cap 11 and right end cap 12, as shown in Figure 4; Be arranged on two cavitys 20 between two described end caps 10, be called the first cavity 21 and the second cavity 22, as shown in Figure 2, each described cavity 20 all forms the 8-shaped inner chamber, both sides, 8-shaped inner chamber middle part form respectively an oil suction chamber 201 and one and go out the chamber, be provided with a pair of pitch wheel pair 40 in the 8-shaped inner chamber, the oil suction chamber 201 of at least one described cavity 20 is provided with the oil inlet passage that is connected with the external world, and the oil pocket 202 that goes out of each described cavity 20 is provided with the oil discharge passage that is in communication with the outside; Be arranged on the intermediate 30 between adjacent two described cavitys 20, as shown in Figure 3; Gear shaft one end that supports described gear pair 40 is arranged in the spring bearing hole of described end cap 10, and the other end is arranged in the spring bearing hole of described intermediate 30; In described cavity 208 font inner chambers, described gear pair 40 both ends of the surface are respectively arranged with floating side plate 50 and seal assembly.Described gear shaft is arranged on that employed bearing 44 is sliding bearing in the spring bearing hole on described end cap 10 and the described intermediate 30, described sliding bearing 44 is set in the present embodiment is the Du bearing; Be provided with between gear pair 40 right flanks in the first cavity 20 and the described intermediate 30 between described gear pair 40 left surfaces in floating side plate 50, the first cavitys 21 and the described left end cap 11 and be provided with floating side plate 50; Be provided with floating side plate 50 between gear pair 40 right flanks in the second cavity 22 and the described intermediate 30, be provided with floating side plate 50 between described gear pair 40 left surfaces in the first cavity 21 and the described right end cap 12, have the axial float compensate function, can reduce face leakage; Splined shaft described in the present embodiment is involute splined shaft 43, is placed on Zhejiang with involute splined shaft 43 and bursts at the seams in the spline axis hole 402 and the driving gear 41 in each cavity 20 to be connected to form the rigid motion constraint.The facewidth of two pairs of gear pairs 40 described in the present embodiment equates that the floating side plate 50 axial width sums that the facewidth adds its both sides equal described cavity 20 axial widths, and the axial width of two described cavitys 20 equates.Be that the described gear type hydraulic divider of present embodiment is the equivalent shunt.Described end cap 10, cavity 20 is provided with sealing gasket 70 sealings between the junction plane of intermediate 30, two straight pin location.
Further, originally be implemented on the basis of above-described embodiment, the 8-shaped inner chamber of the profile of described floating side plate 50 and described cavity 20 is complementary, two centers of described floating side plate 50 its 8-shaped are provided with gear shaft via hole 503, described floating side plate 50 1 sides of pressing close to gear pair 40 end faces are that side plate is positive, described floating side plate 50 opposite sides are the side plate back side, be illustrated in figure 5 as the schematic representation at floating side plate 50 back sides, be provided with the double square compensating groove in described side plate front, as shown in Figure 6, namely the relative gear in floating side plate 50 fronts enters and throws off the engagement place moulding and is symmetrically distributed with two rectangle drain charge grooves 504, described rectangle drain charge groove 504 is used for eliminating the entrap phenomenon that the gear type hydraulic shunting produces when work, can alleviate the radial load of the block bearing 44 of supporting gear pair 40, can also reduce the operational noise of gear type hydraulic divider, be provided with side plate Sealing 60 in the seal groove at its side plate back side, as shown in Figure 7, two centers of seal groove are coaxial respectively with two gear shaft via holes 503; Use involute splined shaft 43 connection for transmissions between driving gear 41 axles in every pair of described gear pair 40, the gear shaft center of driven gear 42 all is provided with central through bore 401, intermediate 30 collection chambers that arrange on the end cap collection chamber that arranges on described central through bore 401 and the described end cap 10 and the described intermediate 30 are communicated with the formation drainback passage, are formed with the oil suction chamber 201 of each described cavity 20 of oil-feed hole link on the described intermediate 30.
Further, originally be implemented on the basis of above-described embodiment, described side plate Sealing 60 for two ends respectively with the Sealing of the 8-shaped polyurethane material of a pair of isolation pawl 601; Described side plate Sealing 60 becomes four zones with the spatial separation between the space between described floating side plate 50 and the described intermediate 30 or described floating side plate 50 and the described end cap 10, the zone that is communicated with described oil suction chamber 201 is zone of high pressure I, go out the regional low pressure area II that oil pocket 202 is communicated with described, remaining two zones is transition zone III, as shown in Figure 6, when gear diverter is worked, to be a bit larger tham with joint efforts making a concerted effort of reaction thrust that side plate front hydraulic oil produces of the equilibrant force that produces from the positive hydraulic oil of introducing each pressure area, the side plate back side of side plate, and make two line of action of force conllinear, both can avoid the side plate distortion, make again the gap of side plate and gear pair 40 end faces little and even, reduced the leakage of gear diverter, improve its volumetric efficiency, and then improved shunting precision, good stability.
Further, originally be implemented on the basis of above-described embodiment, described side plate Sealing 60 one sides form respectively the strip projected parts 603 of sealing along the inside and outside edge of its shape, described protruding 603 cross section semicircular in shape, as shown in Figure 8, the total thickness of described side plate Sealing 60 is greater than the degree of depth of described groove 501.
As disposable embodiment, originally be implemented on the basis of above-described embodiment, described cavity 20 is replaced with three or more, and be provided with intermediate 30 between per two cavitys 20, namely increase an intermediate 30 when cavity of every increase by 20; One or two described oil suction chambers 201 are set are provided with the oil inlet passage that is connected with the external world, each is described to go out oil pocket 202 and is provided with the oil discharge passage that is in communication with the outside; Splined shaft described in the present embodiment is involute splined shaft 43.If each is unequal to the facewidth of gear pair 40 in each described cavity 208 font inner chamber, namely the axial width between each described cavity 20 is unequal, and then the described gear type hydraulic divider of present embodiment is quantitative shunt.
Further, present embodiment is on the basis of above-described embodiment, described cavity 20 both sides are provided with sealing gasket 70 with described intermediate 30 and described end cap 10 contacting points respectively, namely the first cavity 21 left sides and left end cap 11 contacting points are provided with sealing gasket 70, the first cavity 21 right sides and contacting point, intermediate 30 left side are provided with sealing gasket 70, the second cavity 22 right sides and right end cap 12 contacting points are provided with sealing gasket 70, the second cavitys, 22 left sides and contacting point, intermediate 30 right side is provided with sealing gasket 70.
Certainly, also the oil of wherein one road oil discharge passage of described gear type hydraulic divider directly can be drawn oil sump tank, thereby can realize the purpose of supercharging.
Gear pair: by identical two basic systems that the gear that is meshed forms of gear parameter.
Cavity: the housing with chamber.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (10)
1. a gear type hydraulic divider comprises
Two end caps (10);
Be arranged on the two or more cavitys between two described end caps (10), each described cavity all forms the 8-shaped inner chamber, both sides, 8-shaped inner chamber middle part form respectively an oil suction chamber (201) and one and go out the chamber, be provided with a pair of pitch wheel secondary (40) in the 8-shaped inner chamber, the oil suction chamber of at least one described cavity (201) is provided with the oil inlet passage that is connected with the external world, and the oil pocket (202) that goes out of each described cavity is provided with the oil discharge passage that is in communication with the outside;
Be arranged on the intermediate (30) between adjacent two described cavitys; Gear shaft one end that supports described gear pair (40) is arranged in the spring bearing hole of described end cap (10) or in the spring bearing hole of described intermediate (30), the other end is arranged in the spring bearing hole of adjacent described intermediate (30);
It is characterized in that in described cavity 8-shaped inner chamber, described gear pair (40) both ends of the surface are respectively arranged with floating side plate (50) and seal assembly.
2. described gear type hydraulic divider according to claim 1 is characterized in that, described end cap (10), and cavity is provided with sealing gasket (70) sealing between the junction plane of intermediate (30), two straight pins location.
3. described gear type hydraulic divider according to claim 1 is characterized in that, is formed with the oil suction chamber (201) of each described cavity of oil-feed hole link on the described intermediate (30).
4. described gear type hydraulic divider according to claim 2, it is characterized in that, use involute splined shaft (43) connection for transmission between the driving gear shaft in every pair of described gear pair (40), the gear shaft center of driven gear 42 all is provided with central through bore (401), and described central through bore (401) is communicated with the formation drainback passage with the upper end cap collection chamber that arranges of described end cap (10) and upper intermediate (30) collection chamber that arranges of described intermediate (30).
5. arbitrary described gear type hydraulic divider according to claim 1～4, it is characterized in that, the profile of described floating side plate (50) and the 8-shaped inner chamber of described cavity are complementary, two centers of its 8-shaped of described floating side plate (50) are provided with gear shaft via hole (503), described floating side plate (50) one sides of pressing close to gear pair (40) end face are that side plate is positive, described floating side plate (50) opposite side is the side plate back side, be provided with the double square compensating groove in described side plate front, be provided with side plate Sealing (60) in the seal groove at its side plate back side, two centers of seal groove are coaxial respectively with two gear shaft via holes (503).
6. described gear type hydraulic divider according to claim 5 is characterized in that, described side plate Sealing (60) for two ends respectively with the Sealing of the 8-shaped polyurethane material of a pair of isolation pawl (601); Described side plate Sealing (60) becomes four zones with the spatial separation between the space between described floating side plate (50) and the described intermediate (30) or described floating side plate (50) and the described end cap (10), the zone that is communicated with described oil suction chamber (201) is zone of high pressure (I), go out the regional low pressure area (II) that oil pocket (202) is communicated with described, remaining two zones is transition zone (III).
7. described gear type hydraulic divider according to claim 5, it is characterized in that, described side plate Sealing (60) one side forms respectively the strip projected parts (603) of sealing along the inside and outside edge of its shape, the cross section semicircular in shape of described projection (603), the total thickness of described side plate Sealing (60) is greater than the degree of depth of described groove (501).
8. described gear type hydraulic divider according to claim 7 is characterized in that, described gear shaft is arranged in the spring bearing hole on described end cap (10) and the described intermediate (30), and employed bearing (44) is sliding bearing.
9. arbitrary described gear type hydraulic divider is characterized in that according to claim 1～4, and the facewidth of described each gear pair (40) equates to consist of the equivalent shunt.
10. arbitrary described gear type hydraulic divider is characterized in that according to claim 1～4, and the facewidth of each gear pair (40) is unequal to be quantitative shunt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283073 CN202811585U (en) | 2012-06-15 | 2012-06-15 | Gear-type hydraulic flow divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220283073 CN202811585U (en) | 2012-06-15 | 2012-06-15 | Gear-type hydraulic flow divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811585U true CN202811585U (en) | 2013-03-20 |
Family
ID=47870467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220283073 Expired - Lifetime CN202811585U (en) | 2012-06-15 | 2012-06-15 | Gear-type hydraulic flow divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035932A (en) * | 2017-12-11 | 2018-05-15 | 永策机械设备制造（苏州）有限公司 | Gear synchronous diffluence motor |
-
2012
- 2012-06-15 CN CN 201220283073 patent/CN202811585U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035932A (en) * | 2017-12-11 | 2018-05-15 | 永策机械设备制造（苏州）有限公司 | Gear synchronous diffluence motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202284539U (en) | Double-axial gap self compensating high pressure gear pump | |
| CN102927002B (en) | High-pressure gear pump | |
| CN103174618B (en) | Radial plunger hydraulic pump of double-acting type outer rotor | |
| CN202055983U (en) | Oil distributing device for double-row radial 14-plunger motor | |
| CN101482154B (en) | Hydraulic brake | |
| CN202811585U (en) | Gear-type hydraulic flow divider | |
| CN203532246U (en) | High-low pressure duplicate gear pump | |
| CN201354818Y (en) | Hydraulic brake | |
| CN202832957U (en) | Oil distribution device used for hydraulic motor | |
| CN107269520B (en) | Magnetic compensation floating side plate sub-assembly | |
| CN101984257A (en) | Balanced type crescent seal gear pump | |
| CN202811345U (en) | Bidirectional gear oil pump with full-hydraulic floating seal-less bidirectional shaft sleeves | |
| CN201705543U (en) | Double-speed cycloid hydraulic driving motor | |
| CN214698310U (en) | Gear pump with oil inlet and outlet on front cover | |
| CN204627981U (en) | Be provided with the gear oil pump side plate of damping hole | |
| CN104121189A (en) | A difunctional stepless speed regulator oil pump | |
| CN114857113A (en) | Plug-in normally open shuttle valve for high-water-base motor flow distribution and application | |
| CN211901492U (en) | Gearbox and filter mounting structure thereof | |
| CN102678545B (en) | High-pressure anti-friction column pin type vane pump | |
| CN109611411B (en) | High-speed heavy-load actuator | |
| CN102817833B (en) | Bidirectional gear oil pump or motor provided with full-hydraulic floating packingless bidirectional shaft sleeves | |
| CN205064173U (en) | Radial plunger hydraulic motor of outer curve | |
| WO2022027754A1 (en) | Dual-oil access port hydraulic power device | |
| CN111005999A (en) | Gear box | |
| CN205744422U (en) | A kind of floating type fuel oil pump of gear shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |