CN100460718C - Combined device of planet gear reducer and cycloid hydraulic motor - Google Patents
Combined device of planet gear reducer and cycloid hydraulic motor Download PDFInfo
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- CN100460718C CN100460718C CNB2006100495029A CN200610049502A CN100460718C CN 100460718 C CN100460718 C CN 100460718C CN B2006100495029 A CNB2006100495029 A CN B2006100495029A CN 200610049502 A CN200610049502 A CN 200610049502A CN 100460718 C CN100460718 C CN 100460718C
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Abstract
The invention relates to integration between the planet gear speed reducer and the cycloid hydraulic motor, belonging to the mechanical transmission area. It is characterized in that: the cycloid hydraulic motor is formed by the left side plate; a stator, a rotor, a roller, a short splined coupling, a right side plate, a oil distributed disc, a back case, a compensation disc or ring, a back limit block, a long splined coupling, several sealing rings, springs and pins; the fixing element of speed reducer is connected to the left side plate, the stator, the right left plate, and the back case; the drum involute spline at the right end of long splined coupling is connected to the inner splined of rotor; the drum involute spline at the left end of long splined coupling is connected to the inner splined of sun wheel of speed reducer; the left end of sun wheel has a end plate with axial position limited. The invention has tight structure, small axial size, case rotational or axial rotational structure, the application for mechanical area, improved output torque of cycloid hydraulic motor and improved low-speed stability.
Description
Technical field
The present invention relates to the transmission device field, it is the composite set of a kind of plane table thermoconductivity meter and cycloid hydraulic motor, also claim a kind of cycloid hydraulic motor with plane table thermoconductivity meter, or be called the plane table thermoconductivity meter that a kind of cycloid hydraulic motor drives again, with hydraulic pressure can be power, the driving mechanism revolution is widely used in all kinds of mechanical fields such as civil works, building, mining and metallurgy, machining.
Background technique
In recent years, the oil hydraulic motor MANUFACTURER comprises the combination with or without break with oil hydraulic motor and plane table thermoconductivity meter, makes whole pattern and offers the user.Because compact structure, easy for installationly be widely used in fields such as engineering machinery.Chinese patent ZL01226292.7, name is called " fluid motor-driven driving speed reducer ", be a kind of two-stage epicyclic reduction and band brake of adapted axial-piston hydraulic motor, hydraulic motor output shaft links by double as joint sleeve and one-level sun gear, realizes unsteady connection the (seeing the ZL01226292.7 accompanying drawing) of oil hydraulic motor and chopped-off head planetary mechanism.Chinese patent ZL03142082.6, name is called " Hydraulic Motor and Integrated Reducer Driving Device ", discloses the structure of a kind of and aforementioned similar not band brake, employing radial piston hydraulic motor and the integrated pattern of two-stage epicyclic reduction.The chopped-off head sun gear connects (seeing the ZL03142082.6 accompanying drawing) with the internal spline of hydraulic motor output shaft.Above-mentioned prior art adapted axial-piston hydraulic motor or radial piston hydraulic motor, and all be by a certain coupling retarder to be passed in rotation from the output shaft of motor.
Cycloid hydraulic motor is that a kind of application is very extensive, the oil hydraulic motor of function admirable.That the advantage of cycloid hydraulic motor embodies a concentrated expression of is simple in structure, volume is little, the torque of light weight, equal quality is big, and unit mass power is big more than the oil hydraulic motor of other types.And speed range is wide, it is reliable to use, low-speed stability is good, cheap.Whole world Annual output is above 1,000,000, be widely used in (Zhao Yingyue: oil hydraulic motor in the equipment such as all types of plastic machinery, engineering machinery, farm machinery, coal mine machinery, handling machinery, fishery machinery and special purpose machine tool, publishing house of Shanghai Communications University February in 2000 the 1st edition, P100).But the specification of cycloid hydraulic motor can not be done very greatly.Therefore, output torque be restricted (≤2500Nm); Its axial dimension is bigger, joins that axially size can be bigger behind retarder and the break again, will influence its supporting application limit.
As the right of Fig. 3, with depicted as solid lines is the structural representation that a kind of end face is joined the cycloid hydraulic motor of oil.It forms (distinguishing with the dot and dash line square frame) by two-part: F part-mainly the comprise part of output shaft, bearing, front case; The M part---mainly comprise motor stator, rotor, join the part of oil and rear case.Have and a kind ofly have protecgulum but do not have the cycloid hydraulic motor of bearing support, its output is the long shaft coupling that spline is processed at two ends, but when connecting with retarder, prior art needs one to be processed with internal spline, and has the external splines on the sun gear of external splines that the joint sleeve of supporting centering will long shaft coupling one end and retarder to link.
The gear reducer MANUFACTURER provides the gear reducer of direct adapted commodity cycloid hydraulic motor and equipment manufacturers to adopt the commodity cycloid hydraulic motor on retarder, with a kind of form of importing joint sleeve the output shaft of motor and the sun gear of retarder is linked.The part of drawing with double dot dash line as the left side of Fig. 3 represented plane table thermoconductivity meter and with the existing joining method of cycloid hydraulic motor (part of representing with solid line).Joint sleeve 8., Fig. 3 has the part that the interior sequence number of circle is prior art, be processed with internal spline, the sun gear of plane table thermoconductivity meter right-hand member 9. is processed into crowned spline, joint sleeve 8. internal spline and the output shaft of cycloid hydraulic motor 1. external splines and sun gear 9. the right-hand member crowned spline link.
Above-mentioned described Placement and complex structure, it is big especially can't to take volume into account when the adapted cycloid hydraulic motor, particularly the too big disadvantage of axial dimension.
If cycloid hydraulic motor and plane table thermoconductivity meter can be made up, and can simplify their joining method, make axial dimension little, provide with integral form, the advantage of performance cycloid hydraulic motor increases the output torque through the plane table thermoconductivity meter deceleration, will have good market prospects.
Summary of the invention
The present invention is in order to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, the compact plane table thermoconductivity meter and the composite set of cycloid hydraulic motor to related domain, its output torque that solves cycloid hydraulic motor is owed greatly, and low-speed stability, rotating speed are owed desirable technical problem.The objective of the invention is to realize by the following technical solutions.
The composite set of a kind of plane table thermoconductivity meter and cycloid hydraulic motor, this device constitutes by cycloid hydraulic motor and with the joining plane table thermoconductivity meter of cycloid hydraulic motor, cycloid hydraulic motor can be converted to the machinery rotation energy with hydraulic pressure, output after plane table thermoconductivity meter slows down is characterized in that:
A) with the cycloid hydraulic motor of plane table thermoconductivity meter combination commentaries on classics stator by valve plate distribution type cycloid hydraulic motor, flow, back housing portion is formed: rotor and roller form combined-stator, rotor is by left sideboard, work owing to pressure oil in the space that combined-stator and right sideboard form rotates as planet, the external splines of long spline coupling right-hand member connects with the internal spline of rotor, the two ends external splines of short spline coupling connects with the internal spline of rotor and oil distribution casing respectively, back limiting stopper is made the axial limiting of short spline coupling, oil distribution casing, right sideboard and compensating disc or be equipped with corresponding flow passage, left sideboard, rotor, right sideboard connects with rear case with screw or pin, and compensating disc or ring and rear case are done circumferentially location by pin;
B) when composite set is the axis-rotating type formula, ring gear in the described plane table thermoconductivity meter, also claim reducer shell (down together), fixed block by joining plate or direct and described cycloid hydraulic motor, comprise that left sideboard, rotor, right sideboard, rear case are fixedly connected, the left end of planet carrier has the output axle head, and planet carrier is the (see figure 1) of rotating;
C) when composite set is shell formula transition, planet carrier in the described plane table thermoconductivity meter is by the fixed block of joining plate or direct and described cycloid hydraulic motor, comprise that left sideboard, rotor, right sideboard, rear case 20 are fixedly connected, ring gear is the (see figure 2) of rotating;
D) involute inner spline of the rotor of the cydariform involute splines of long spline coupling right-hand member and cycloid hydraulic motor links, and the involute inner spline of the cydariform involute splines of long spline coupling left end and the sun gear of plane table thermoconductivity meter links.
The left sideboard of described cycloid hydraulic motor is the disc of pack into a joining plate or a ring gear, perhaps is one and is provided with and is used for the through hole that screw installs or the discoid pieces of screw, perhaps joining plate is made single piece together.
The present invention makes up with cycloid hydraulic motor that adopts prior art and plane table thermoconductivity meter, and with a coupling output shaft of motor and the joining scheme of sun gear of retarder is compared:
The composite set of plane table thermoconductivity meter of the present invention and cycloid hydraulic motor simple in structure, compact, appearance and modeling is good, and axial dimension obviously dwindles.Described cycloid hydraulic motor only is the M part of existing cycloid hydraulic motor, saved remaining part (as the F part of Fig. 3: output shaft 1., two bearings 2., front case 3., protecgulum 4., middle cover 5., cover 6., round nut 7.).
The composite set of plane table thermoconductivity meter of the present invention and cycloid hydraulic motor since Transmitted chains shorten dramatically, improved efficient, saved energy consumption.
The uniform planet wheel more than three or three of described plane table thermoconductivity meter makes sun gear obtain self-alignment, realize that the good of planetary mechanism floats, long spline coupling two ends are the cydariform involute splines, and are low to the combination required precision of motor and retarder, good manufacturability.Because all carrying property is good, improved the life-span of retarder, reduced noise.
In addition, effect of the present invention also is:
The composite set of plane table thermoconductivity meter of the present invention and cycloid hydraulic motor is during as a kind of cycloid hydraulic motor with plane table thermoconductivity meter, make cycloid hydraulic motor pass through to slow down and increased the output torque, reduced rotating speed, satisfy the demand bigger output torque and more slow-revving workplace, enlarged the application area of cycloid hydraulic motor, by selecting different velocity ratios, develop more specification product and satisfy different purposes.
Low-speed stability is an important indicator of oil hydraulic motor, by slowing down, has improved low-speed stability.
According to technological scheme, fixing connects as the fixed block (left sideboard, rotor, right sideboard, rear case) of fixed block and described motor respectively with the ring gear in the retarder part or planet carrier, the composite set of described plane table thermoconductivity meter and cycloid hydraulic motor the pattern of corresponding axle commentaries on classics or shell commentaries on classics.The application that this has just enlarged cycloid hydraulic motor needing to be conveniently used in the occasion of (being used for driving wheel as running mechanism) that shell changes.
For the plane table thermoconductivity meter that needs two-stage or the planetary mechanism more than the two-stage and the composite set of cycloid hydraulic motor, the cydariform involute splines of long spline coupling right-hand member connects with the involute inner spline of the rotor of motor, and the interior involute splines of the cydariform involute splines of left end and the sun gear of chopped-off head planetary mechanism links.When composite set is shell formula transition, the final stage planet carrier is fixed.Enlarge velocity ratio, satisfy different needs.
Description of drawings
Fig. 1 is a general structure schematic representation of the present invention.
Fig. 2 is the structural representation of an alternative embodiment of the invention.
Fig. 3 be prior art cycloid hydraulic motor structure and with the joining method schematic representation of plane table thermoconductivity meter.
Embodiment
Fig. 1 and Fig. 2 are two embodiments' of the present invention structural representations, below in conjunction with accompanying drawing it are described in further detail.
Fig. 1 is first embodiment: the plane table thermoconductivity meter that axle changes and the composite set of cycloid hydraulic motor.Plane table thermoconductivity meter part and cycloid hydraulic motor part (the M part among the figure that it is made up of planet carrier 1, oil sealing 2, bearing 3, case lid 4, planet wheel 5, bearing 6, planet wheel shaft 7, bearing 8, ring gear 9, sun gear 10, end plate 11, limiting stopper 12 etc., comprise left sideboard 13, rotor 14, rotor 15, roller 16, short spline coupling 17, right sideboard 18, oil distribution casing 19, rear case 20, compensating disc or encircle 21, back limiting stopper 22, long spline coupling 23, and Sealing, locating stud, spring) combine; The ring gear 9 of plane table thermoconductivity meter and the standing part (left sideboard 13, rotor 14, right sideboard 18, rear case 20) of cycloid hydraulic motor by joining plate 24 usefulness screws, pin, compressing method links together, and is fixed; The left end of planet carrier 1 has the output of output axle head as retarder, and bearing 3 and 8 are housed on the planet carrier 1; The internal spline of the cydariform involute splines of long spline coupling 23 right-hand members and the rotor 15 of cycloid hydraulic motor links, sun gear 10 is provided with involute inner spline, the cydariform involute splines of long spline coupling 23 left ends and the internal spline of sun gear 10 link, to pass to sun gear 10 from the torque of rotor 15, sun gear 10 and planet wheel 5 engagements make planet wheel 5 revolutions; Planet wheel 5 usefulness bearings 6, planet wheel shaft 7 are installed on the planet carrier 1, planet wheel 5 and ring gear 9 engagements, because ring gear 9 is fixed, planet carrier 1 is done the rotation of slowing down; The end plate 11 (making axial restraint by ring washer) that the left end of sun gear 10 is provided with axial limiting is used for sun gear 10 is made axial limiting, perhaps process the end face of axial limiting on sun gear 10, at this moment the internal spline of sun gear 10 is blind hole and enough grinding undercuts is arranged; Oil sealing 2 prevents that hydraulic oil from leaking from the output axle head, and positioning spigot and connecting flange are arranged on the case lid 4, is used for fixing with work mechanism connecting.
If the hydraulic oil of high pressure is entered by the A mouth of motor, low pressure oil is returned by the B mouth, the stator of cycloid hydraulic motor, rotor, join the machinery rotation energy that oil and back housing portion can be converted to hydraulic pressure rotor, long spline coupling 23 is passed to the rotation motion of the rotor 15 of cycloid hydraulic motor the sun gear 10 of plane table thermoconductivity meter, sun gear 10 and planet wheel 5 engagements, planet wheel 5 and ring gear 9 engagements because ring gear 9 is fixed, make planet carrier 1 with low speed rotation.Change hydraulic oil and import and export the position, the hydraulic oil of establishing high pressure is entered by the B mouth of motor, and low pressure oil is returned by the A mouth, and planet carrier 1 will be with the opposite direction low speed rotation.The leakage oil of motor flows back to the fuel tank of work mechanism by the L mouth.
Fig. 2 is second embodiment: the plane table thermoconductivity meter that shell changes and the composite set of cycloid hydraulic motor.Different with first embodiment is: the right-hand member of the planet carrier 1 of retarder and the standing part of cycloid hydraulic motor (left sideboard 13, rotor 14, right sideboard 18, rear case 20) are fixedly connected, and are fixed; And ring gear 9 rotates, as the output of retarder; Case lid 4 is fixing with ring gear 9, by bearing 3 and bearing 8 they is bearing on the planet carrier 1; The standing part of composite set is provided with flange (Fig. 2 is on left sideboard 13) and is used for the composite set of described plane table thermoconductivity meter and cycloid hydraulic motor is fixed on the work mechanism; The left end of the planet carrier 1 of described retarder is not exported axle head (shown in Fig. 2 embodiment) or is provided with the output axle head.When planet carrier 1 was provided with the output axle head, ring gear 9 was that the left end of reducer shell has through hole, is provided with sealing between the output axle head of planet carrier 1 and housing, and composite set is fixed on the work mechanism by the output axle head.Its transmission principle is similar to first embodiment, and different because planet carrier 1 is to fix, ring gear 9 is done the rotation of slowing down, and this planetary mechanism is a kind of fixed shaft gear train.
The left sideboard 13 of described cycloid hydraulic motor has three kinds of forms: a) left sideboard 13 is the disc of joining plate 24 of packing into (Fig. 1 has represented this structural type and joining method thereof) or ring gear 9, when packing ring gear 9 into, described composite set is not established joining plate 24; B) left sideboard 13 is one and is provided with and is used for the through hole that screw 25 installs or the discoid pieces of screw, and at this moment, described composite set is not if establish joining plate 24; C) left sideboard 13 closes joining plate 24 as a whole, and at this moment, described composite set is established joining plate 24 no longer in addition, and Fig. 2 embodiment is an example of this structure.When joining plate 24 is arranged, (axle commentaries on classics composite set is a ring gear 9 to fixed block in the described plane table thermoconductivity meter, it is planet carrier 1 that shell changes composite set) by the fixed block of joining plate 24, comprise that left sideboard 13, rotor 14, right sideboard 18, rear case 20 are fixedly connected with described cycloid hydraulic motor.When not having joining plate 24, (axle commentaries on classics composite set is a ring gear 9 to fixed block in the described plane table thermoconductivity meter, it is planet carrier 1 that shell changes composite set) directly with the fixed block of described cycloid hydraulic motor, comprise that left sideboard 13, rotor 14, right sideboard 18, rear case 20 are fixedly connected.According to the needs of process structure, also can establish connected component in addition between joining plate and the ring gear 9.
The output of the left end of the planet carrier 1 of described retarder is provided with: external splines, external gear or outer flat key; Internal spline, internal gear or interior flat key; Various ways such as flange.In an embodiment, bearing 3 and 8 are housed on the planet carrier 1,, or bearing are not set according to the unsteady requirement of planet carrier 1.
The output axle head form of the method for being fixedly connected of the fixed block of described retarder and the standing part of cycloid hydraulic motor (left sideboard 13, rotor 14, right sideboard 18, rear case 20) (screw, compress, sell), the position of each flange and form, planet carrier 1 designs according to different needs.
Velocity ratio is required big occasion, will on the foregoing description basis, increase the progression of planetary mechanism.
The title of the component that the present invention named after product protection will be renamed to some extent, is as the criterion with the title after renaming; Have end face and join the cycloid hydraulic motor of oil, have some structural variations, same being suitable for.The spy illustrates in addition.
Claims (1)
1. the composite set of plane table thermoconductivity meter and cycloid hydraulic motor, this device constitutes by cycloid hydraulic motor and with the joining plane table thermoconductivity meter of cycloid hydraulic motor, cycloid hydraulic motor can be converted to the machinery rotation energy with hydraulic pressure, output after plane table thermoconductivity meter slows down is characterized in that:
A) with the cycloid hydraulic motor of plane table thermoconductivity meter combination commentaries on classics stator by valve plate distribution type cycloid hydraulic motor, flow, back housing portion is formed: rotor (14) and roller (16) form combined-stator, rotor (15) is by left sideboard (13), work owing to pressure oil in the space that combined-stator and right sideboard (18) form rotates as planet, the external splines of long spline coupling (23) right-hand member connects with the internal spline of rotor (15), the two ends external splines of short spline coupling (17) connects with the internal spline of rotor (15) and oil distribution casing (19) respectively, back limiting stopper (22) is made the axial limiting of short spline coupling (17), oil distribution casing (19), right sideboard (18) and compensating disc or ring (21) are provided with corresponding flow passage, left sideboard (13), rotor (14), right sideboard (18) connects with rear case (20) with screw or pin, and compensating disc or ring (21) and rear case (20) are done circumferentially location by pin;
B) when composite set is the axis-rotating type formula, ring gear in the described plane table thermoconductivity meter (9), also claim reducer shell, fixed block by joining plate (24) or direct and described cycloid hydraulic motor, comprise that left sideboard (13), rotor (14), right sideboard (18), rear case (20) are fixedly connected, the left end of planet carrier (1) has the output axle head, and planet carrier (1) rotates;
C) when composite set is shell formula transition, planet carrier in the described plane table thermoconductivity meter (1) is by the fixed block of joining plate (24) or direct and described cycloid hydraulic motor, comprise that left sideboard (13), rotor (14), right sideboard (18), rear case (20) are fixedly connected, ring gear (9) rotates;
D) involute inner spline of the rotor (15) of the cydariform involute splines of long spline coupling (23) right-hand member and cycloid hydraulic motor links, and the involute inner spline of the cydariform involute splines of long spline coupling (23) left end and the sun gear (10) of plane table thermoconductivity meter links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100495029A CN100460718C (en) | 2006-02-15 | 2006-02-15 | Combined device of planet gear reducer and cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100495029A CN100460718C (en) | 2006-02-15 | 2006-02-15 | Combined device of planet gear reducer and cycloid hydraulic motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1807934A CN1807934A (en) | 2006-07-26 |
| CN100460718C true CN100460718C (en) | 2009-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100495029A Expired - Fee Related CN100460718C (en) | 2006-02-15 | 2006-02-15 | Combined device of planet gear reducer and cycloid hydraulic motor |
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| CN (1) | CN100460718C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100453801C (en) * | 2006-11-08 | 2009-01-21 | 镇江大力液压马达有限责任公司 | Distribution supporting plate for high-speed distribution cycloid hydraulic motor and method for fabricating same |
| CN102383799A (en) * | 2011-10-14 | 2012-03-21 | 沈阳矿山机械有限公司 | High pressure resistant internal-leakage-free cutting device of tunnel boring machine |
| CN103762779A (en) * | 2014-01-27 | 2014-04-30 | 北京阳铭诚科技有限责任公司 | Planetary gear reducer of electric vehicle |
| CN106641017B (en) * | 2015-07-14 | 2019-09-03 | 博世力士乐（北京）液压有限公司 | Hydraulic drive type speed reducer disengaging gear |
| CN107842587A (en) * | 2017-11-02 | 2018-03-27 | 西安法士特汽车传动有限公司 | A kind of motor side drives pure electric vehicle central reducer unit |
| CN109356944A (en) * | 2018-10-23 | 2019-02-19 | 天津大学 | A kind of deformable outer cone cydariform gapless spline structure |
| EP3653341A1 (en) * | 2018-11-13 | 2020-05-20 | Hilti Aktiengesellschaft | Handheld machine tool |
| CN111284507A (en) * | 2020-04-14 | 2020-06-16 | 辽宁鑫丰矿业（集团）有限公司 | Tractor driven by hydraulic motor |
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| CN1217115C (en) * | 2003-08-06 | 2005-08-31 | 胡世璇 | Hydraulic motor and speed redncer integrated driving device |
| CN2921459Y (en) * | 2006-02-15 | 2007-07-11 | 贺孝杰 | Combining device for planet-gear speed reducer and cycloidal hydraulic motor |
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- 2006-02-15 CN CNB2006100495029A patent/CN100460718C/en not_active Expired - Fee Related
Patent Citations (8)
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| JP2002213568A (en) * | 2000-11-16 | 2002-07-31 | Nabco Ltd | Travel unit |
| CN2489145Y (en) * | 2001-06-12 | 2002-05-01 | 舟山市行星减速机制造有限公司 | Hydraulic motor driven speed reducer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1807934A (en) | 2006-07-26 |
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Assignee: Boneng Transmission (Suzhou) Co., Ltd. Assignor: He Xiaojie Contract record no.: 2010990000361 Denomination of invention: Combined device of planet gear reducer and cycloid hydraulic motor Granted publication date: 20090211 License type: Exclusive License Open date: 20060726 Record date: 20100609 |
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Granted publication date: 20090211 Termination date: 20160215 |
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