CN109058039A - Cycloid hydraulic motor with double speed function - Google Patents
Cycloid hydraulic motor with double speed function Download PDFInfo
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- CN109058039A CN109058039A CN201811294532.5A CN201811294532A CN109058039A CN 109058039 A CN109058039 A CN 109058039A CN 201811294532 A CN201811294532 A CN 201811294532A CN 109058039 A CN109058039 A CN 109058039A
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- 238000010276 construction Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 22
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/08—Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
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- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to hydraulic drives technical fields, specifically a kind of cycloid hydraulic motor with double speed function, torque including being sequentially connected setting generates component, flow component and valve component, the flow component includes shell, shell offers circular inner hole, the surface of inner hole is equipped with hierarchic structure, shell is equipped with flow valve module by inner hole, flow valve module passes through the first connection pin connection internal tooth casing, internal tooth casing passes through the second connection pin connection shell, the outer surface of shell and bearing inner surface assembly connection, bearing are mounted in wheel hub.The present invention includes completely new distributing construction, and while meeting high and low speed and changing, structure greatly simplifies this distributing construction, and the product parts used are less, and the requirement to machining accuracy is lower, and reliability greatly improves, and cost is lower.
Description
Technical field
The present invention relates to hydraulic drives technical field, specifically a kind of cycloid hydraulic motor with double speed function.
Background technique
Excavator belongs to the soldier at the head of a formation of construction machinery industry and the barometer of construction machinery industry, excavator incorporate
Bull-dozer, loading machine advantage, it can be achieved that a tractor serves several purposes function.Along with the depth of novel Urbanization Construction and new countryside construction
Enter and the continuous improvement of domestic human cost, mini-excavator especially mini-excavator is in small-sized earth and rock works and " machine
For people " etc. have great potential, especially in limited space, medium-and-large-sized control machine cannot be introduced into or operate limited field
It closes, the characteristics of this small mini-excavator can give full play to that its is small in size, flexible movements, or even office operation can be carried out, greatly
The artificial heavy physical labour of amount can be replaced completing by it.According to developed country's excavation machinery trade rule of development, small miniature excavation
Machine occupation rate of market will be more than 50%, therefore Science in Future in China is small-sized with mini-excavator wide market.
One of the core element of small miniature digging machine is exactly variable displacement running motor, with 2 on every machine, this motor
Mechanism is compact, it can be achieved that high low speed function switch, complete machine passage capacity is good, therefore is the standard configuration of external miniature digging machine, domestic factory
The high-end product of family also selects such motor.Said motor mechanism can realize the conversion of high low speed, can when machine needs transition
It is switched to fast state, to save transition times；And when excavator work, according to the needs in place, low speed may be selected, realize big
The purpose of torque walking or climbing.
The motor mechanism of the prior art is in order to realize the function of high low speed conversion, and most structure is complicated, and number of parts is more,
Therefore the requirement to machining accuracy and assembly precision is higher, and the reliability of motor mechanism is unstable, and it is higher to be otherwise processed into this.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of cycloid with double speed function
Hydraulic motor.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of cycloid hydraulic motor with double speed function, the torque including being sequentially connected setting generate component, flow group
Part and valve component, torque generates between component and flow component, between flow component and valve component respectively by Stud connection.
The flow component includes shell, and shell offers circular inner hole, and the surface of inner hole is equipped with hierarchic structure, shell
It is equipped with flow valve module by inner hole, flow valve module is connected by the first connection pin connection internal tooth casing, internal tooth casing by second
Outbound connects shell, and the outer surface of shell and bearing inner surface assembly connection, bearing are mounted in wheel hub.
It is opened up on shell inner hole wall there are four deep gouge, four deep gouges are arranged with female coaxial, and four deep gouges are respectively the
One deep gouge, the second deep gouge, third deep gouge and the 4th deep gouge, the successively setting arranged in parallel of four deep gouges, and four deep gouges
Diameter is gradually reduced, and the smallest deep gouge of diameter is positioned close to one end of internal tooth casing.First deep gouge, the second deep gouge, third
Four holes that deep gouge and the 4th deep gouge are opened up with shell end face respectively are connected to, four holes that shell end face opens up respectively with valve body group
The oil communication of part.The external cylindrical surface of the flow valve module is set as cascaded surface, and four slots, four slots are respectively equipped on cascaded surface
Respectively slot a, slot b, slot c, slot d, the diameter of four slots are gradually reduced.Flow valve module is mounted in shell inner hole, and first is heavy
First annular seal space is constituted between slot and slot a, and the second seal chamber, structure between third deep gouge and slot c are constituted between the second deep gouge and slot b
At third seal chamber, the 4th seal chamber is constituted between the 4th deep gouge and slot d.The slot a, slot b, slot c, each slot point in slot d
It is not connected with three on flow valve module or four radially connected holes, tetra- slot a, slot b, slot c, slot d slots are correspondingly arranged on
12 or 16 radially connected holes, offer 12 or 16 axial holes on flow valve module respectively, axial hole with
Radially connected hole corresponds connection, the counterbore connection corresponding with one respectively of each axial hole, 12 or 16 counterbores
The end face of flow valve module is set, and torque generates component and is equipped with valve plate, and flat valve stack face and flow side surface are close
In conjunction with flow side surface offers multiple assignment holes.
The number of rotor teeth of gerotor motor is fewer than the roller number of stator one, be usually arranged there are two types of with tooth method: i.e. 6-7
Tooth and 8-9 tooth.When number of rotor teeth and stator roller are 6-7 tooth with tooth mode, slot a, slot b, slot c, each slot point in slot d
It is not connected with three radially connected holes on flow valve module, tetra- slot a, slot b, slot c, slot d slots are correspondingly arranged on 12
Radially connected hole offers 12 axial holes on flow valve module respectively, and axial hole is corresponded with radially connected hole and is connected to,
The end face of flow valve module is arranged in counterbore connection corresponding with one, 12 counterbores to each axial hole respectively；Work as rotor tooth
It is several when with stator roller being 8-9 tooth with tooth mode, slot a, slot b, slot c, each slot respectively and on flow valve module in slot d
Four radially connected holes are connected, and tetra- slot a, slot b, slot c, slot d slots are correspondingly arranged on 16 radially connected holes, flow valve group
Offer 16 axial holes on part respectively, axial hole is corresponded with radially connected hole and is connected to, and each axial hole is respectively with one
The end face of flow valve module is arranged in a corresponding counterbore connection, 16 counterbores.
By valve component Lai hydraulic oil, distributed by four holes of shell end face, then flow through four deep gouges into four
A seal chamber, the hydraulic oil into four seal chambers pass through slot a, slot b, slot c, slot d on flow valve module, pass through flow respectively
12 on valve module or 16 axial holes enter 12 or 16 counterbores, 12 or 16 counterbore faces and band
The flow side surface of assignment hole relatively rotates, and completes the whole process of flow, and flow is continuous with mutual movement between the two
It carries out, to enable the continuous output torque of motor and revolving speed.
The valve component includes valve body, and oil inlet and oil outlet are offered on valve body, is respectively equipped with brake valve in valve body
Core and double speed spool, brake spool and double speed spool are separately positioned in valve opening, and brake spool and valve body constitute three-position four-way valve,
Double speed spool and valve body constitute three six-way valves.
Grease chamber there are four setting in the valve body, four grease chambers are respectively grease chamber a, grease chamber b, grease chamber c, grease chamber d, four grease chambers
Oil inlet and oil return are controlled by double speed spool, four grease chambers are corresponded with four holes of the shell end face of flow component respectively to be connected
It is logical.
The both ends of the brake spool are separately connected braking valve spring, are respectively equipped on the outside of two braking valve springs stifled
Head, the both ends of the double speed spool are separately connected double speed valve spring, are respectively arranged with plug on the outside of two double speed valve springs, block up
Head is connect with valve body.Under the action of two braking valve springs, brake spool is centrally located, and two plugs control brake valve bullet
The position of spring, and guarantee that internal hydraulic pressure oil does not leak；Under the action of two double speed valve springs, double speed spool is located at interposition
It sets, hydraulic oil is sealed in the inside of valve body, and two plugs control the position of double speed valve spring, and guarantees that internal hydraulic pressure oil is not outer
It lets out.Also there are two dual-speed control valves for the assembly of selectivity in valve body, when the speed for needing to control motor carries out the conversion of high low speed,
Dual-speed control valve will be operated by control, realize the conversion of motor speed.When motor is single-direction two-speed, dual-speed control valve can not
Dress.
It includes sequentially connected front cover, cycloid stator-rotator pair and valve plate that the torque, which generates component, on the valve plate
Offering seven or nine assignment holes, assignment hole is rectangular opening.
The flow valve module offers through-hole, is equipped with universal driving shaft in through-hole, and the both ends of universal driving shaft are respectively equipped with spline, join
One end of moving axis is connect with the rotor internal spline of cycloid rotor pair, and the other end is connect with internal tooth casing.
Offer wheel hub card slot on the wheel hub, be equipped with the first retaining ring in wheel hub card slot, the setting of the first retaining ring wheel hub with
Between bearing, it is securely mounted at bearing in wheel hub, housing outer surface offers card slot, the second retaining ring is equipped in card slot, the
Two retaining rings are arranged between bearing and shell, guarantee that entire component securely links together.
Spring is equipped between the flow valve module and shell, spring is further ensured that the end of flow valve module and valve plate
It combines closely in face.
The slot a, slot b, slot c, slot d are separately positioned on every step of flow valve module, flow valve module and shell
Multiple seal assemblies are equipped between body, seal assembly is mounted on the outer surface of flow valve module, and sealing ring can be selected in seal assembly.
First deep gouge, the second deep gouge, third deep gouge and the 4th deep gouge are separately positioned on each of shell inner hole surface
On grade ladder.
When the invention works, the distribution that flow valve module is passed through into the high pressure liquid pressure oil of valve body, into the torque of motor
Part is generated, driving torque generates the element manipulation of part, and high pressure oil acting becomes low-pressure hydraulic oil after generating torque, then passes through
Flat valve flows out motor, completes conversion process of the hydraulic energy to mechanical energy；And the torque generated passes through the effect of universal driving shaft, output
To wheel hub, and then it is drivingly connected other products on wheel hub.
The beneficial effects obtained by the present invention are as follows being:
The present invention includes completely new distributing construction, and for this distributing construction while meeting high and low speed and changing, structure is significantly
Simplify, the product parts used are less, and the requirement to machining accuracy is lower, and reliability greatly improves, and cost is lower；
In addition, shell inner hole and flow valve module of the invention is equipped with step structure, which utilizes hydraulic oil
Flow valve module compression is fitted on valve plate by pressure, ensure that smoothly completing for flow work, and simplify structure.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram that torque generates component；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the structural schematic diagram of flow component；
Fig. 5 is the structural schematic diagram of flow assembly housing；
Fig. 6 is the structural schematic diagram of flow valve module；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the B-B cross-sectional view of Fig. 6；
Fig. 9 is the C-C cross-sectional view of Fig. 6；
Figure 10 is the D-D cross-sectional view of Fig. 6；
Figure 11 is the E-E cross-sectional view of Fig. 6；
Figure 12 is the structural schematic diagram of valve component；
Figure 13 is the A-A cross-sectional view of Figure 12.
In figure: 1, torque generates component；11, front cover；12, cycloid stator-rotator pair；13, valve plate；14, assignment hole；
2, flow component；21, first annular seal space；22, the second seal chamber；23, third seal chamber；24, the 4th seal chamber；
25, wheel hub；26, bearing；27, flow valve module；28, shell；29, the second retaining ring；210, waveform spring；211, the second connection
Pin；212, the first connecting pin；213, internal tooth casing；214, the first deep gouge；224, the second deep gouge；234, third deep gouge；244, the 4th
Deep gouge；215~245, hole；216, slot a；226, slot b；236, slot c；246, slot d；216a~246a, radially connected hole；217, close
Seal；218, axial hole；219, counterbore；
3, valve component；31, oil inlet；32, oil outlet；33, valve body；34, plug；35, valve spring is braked；36, it brakes
Spool；37, dual-speed control valve；38, double speed valve spring；39, double speed spool；310, grease chamber a；311, grease chamber b；312, grease chamber c；
313, grease chamber d；
4, stud；5, universal driving shaft.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment:
As shown in Figure 1, a kind of cycloid hydraulic motor with double speed function, the torque generation group including being sequentially connected setting
3 component of part 1, flow component 2 and valve body, torque generates between component 1 and flow component 2, flow component 2 and 3 component of valve body it
Between connected respectively by stud 4.
As shown in Fig. 1, Fig. 4 to Figure 11, the flow component 2 includes shell 28, and shell 28 offers circular inner hole, interior
The inner surface in hole is equipped with hierarchic structure, and shell 28 is connected with flow valve module 27 by inner hole, and flow valve module 27 passes through first
Connecting pin 212 connect internal tooth casing 213, internal tooth casing 213 by the second connecting pin 211 connect shell 28, the outer surface of shell 28 with
26 inner surface assembly connection of bearing, bearing 26 are mounted in wheel hub 25.
It is opened up on 28 inner hole wall of shell there are four deep gouge, four deep gouges are arranged with female coaxial, and four deep gouges are respectively
First deep gouge 214, the second deep gouge 224, third deep gouge 234 and the 4th deep gouge 244, the successively setting arranged in parallel of four deep gouges, and
And the diameter of four deep gouges is gradually reduced, the smallest deep gouge of diameter is positioned close to one end of internal tooth casing 213.Described first is heavy
Slot 214, the second deep gouge 224, third deep gouge 234 and the 4th deep gouge 244 are connected to four holes that 28 end face of shell opens up respectively, i.e.,
First deep gouge 214 is connected to hole 215, and the second deep gouge 224 is connected to hole 225, and third deep gouge 234 is connected to hole 235, the 4th deep gouge
244 are connected to hole 245.Four holes that 28 end face of shell opens up respectively with the oil communication of valve component.
The external cylindrical surface of the flow valve module 27 is set as cascaded surface, and four slots, four slots point are respectively equipped on cascaded surface
Not Wei slot a216, slot b226, slot c236, slot d246, the diameter of four slots is gradually reduced.Flow valve module 27 is mounted on shell 28
In inner hole, first annular seal space 21 is constituted between the first deep gouge 214 and slot a216, and the is constituted between the second deep gouge 224 and slot b226
Two seal chambers 22 constitute third seal chamber 23, structure between the 4th deep gouge 244 and slot d246 between third deep gouge 234 and slot c236
At the 4th seal chamber 24.
The slot a216, slot b226, slot c236, in slot d246 each slot respectively with three diameters on flow valve module 27
It is connected to connecting hole, i.e. slot a216 is connected to three radially connected hole 216a respectively, and slot b226 is radially connected with three respectively
Hole 226a connection, slot c236 are connected to radial three connecting hole 236a respectively, slot d246 respectively with three radially connected hole 246a
Connection, tetra- slot a216, slot b226, slot c236, slot d246 slots are correspondingly arranged on 12 radially connected holes.On flow valve module
It offers the radially connected hole one-to-one correspondence of 12 axial holes, 218,12 axial holes 218 and 12 respectively to be connected to, 12
A axial hole 218 is connected to 12 fan-shaped counterbores 219 respectively, and 12 fan-shaped counterbores 219 are arranged in flow valve module 27
End face, as shown in Figure 2 and Figure 3, torque generates component 1 and is equipped with valve plate 13,27 end face of flow valve module and 13 end face of valve plate
It combines closely, 13 end face of valve plate offers multiple assignment holes 14.
By 3 component of valve body Lai hydraulic oil, distributed by four holes of shell end face, then flow through four deep gouges into four
A seal chamber, the hydraulic oil into four seal chambers pass through slot a216, slot b226, slot c236, slot d246 on flow valve module,
Separately flow into 12 axial holes 218 and 12 fan-shaped counterbores 219 of fan-shaped counterbore 219,12 on flow valve module
It is relatively rotated with the assignment hole 14 of flow side surface, completes the whole process of flow, flow is with mutual movement between the two
It is carried out continuously, to enable the continuous output torque of motor and revolving speed.Due to entering the hydraulic oil of oil inlet 31 in valve body 33,
When flowing through special-shaped grease chamber a310, grease chamber b311, grease chamber c312, grease chamber d313 in valve body 33, high pressure oil or low pressure oil are flowed through
Special-shaped grease chamber quantity can be controlled by double speed spool 39 and be distributed, so flowing through high pressure oil or low pressure in 12 fan-shaped counterbores 219
Several quantity is also controllable, and by such method, control is can be obtained in high speed or low speed.
As shown in Fig. 1, Figure 12, Figure 13,3 component of valve body includes valve body 33, offered on valve body 33 oil inlet 31 and
Oil outlet 32 is respectively equipped with brake spool 36 and double speed spool 39 in valve body 33, and brake spool 36 and double speed spool 39 are set respectively
It sets in valve opening, brake spool 36 and valve body 33 constitute three-position four-way valve, and double speed spool 39 and valve body 33 constitute three six-way valves.
Two dual-speed control valves 37 are also equipped in valve body 33, when the speed for needing to control motor carries out the conversion of high low speed, double speed control
Valve 37 processed will be operated by control, realize the conversion of motor speed.It is set in the valve body 33 there are four grease chamber, four grease chambers are distinguished
For grease chamber a310, grease chamber b311, grease chamber c312, grease chamber d313, four grease chambers control oil inlet and oil return by double speed spool 39, and four
Grease chamber respectively with four holes of the shell end face of flow component correspond be connected to, grease chamber a310, grease chamber b311, grease chamber c312,
Grease chamber d313 is corresponded and is connected to the hole 225 of shell end face, hole 235, hole 245, hole 215 respectively.
The both ends of the brake spool 36 are separately connected braking valve spring 35, and the outside of two braking valve springs 35 is set respectively
There is plug 34, the both ends of the double speed spool 39 are separately connected double speed valve spring 38, the outside difference of two double speed valve springs 38
It is provided with plug 34, plug 34 is connect with valve body 33.Under the action of two braking valve spring 35, brake spool 36 is located at centre
Position, the position of two plugs 34 control braking valve spring 35, and guarantee that internal hydraulic pressure oil does not leak；In two double speed valve springs 38
Under the action of, double speed spool 39 is centrally located, and hydraulic oil is sealed in the inside of valve body 33, and two plugs 34 control double speed valve
The position of spring 38, and guarantee that internal hydraulic pressure oil does not leak.
As shown in Figure 1 to Figure 3, the torque generate component 1 include sequentially connected front cover 11, cycloid stator-rotator pair 12 and
Valve plate 13, seven assignment holes 14 are offered on the valve plate 13, and assignment hole 14 is rectangular opening.
As shown in Figure 1, Figure 2, Figure 4 shows, the flow valve module opens up through-hole, is equipped with universal driving shaft 5 in through-hole, universal driving shaft 5
Both ends are respectively equipped with spline, and one end of universal driving shaft 5 is connect with the rotor internal spline of cycloid stator-rotator pair 12, the other end and internal tooth casing
213 connections.
As shown in figure 4, offering wheel hub card slot on the wheel hub 25, the first retaining ring, the first retaining ring are equipped in wheel hub card slot
It is arranged between wheel hub 25 and bearing 26, is securely mounted at bearing 26 in wheel hub 25,28 outer surface of shell offers card slot,
The second retaining ring 29 is equipped in card slot, the second retaining ring 29 is arranged between bearing 26 and shell 28, guarantees that entire component securely connects
It is connected together.
Waveform spring 210 is equipped between the flow valve module 27 and shell 28, waveform spring 210 is further ensured that flow
Valve module 27 and the end face of valve plate are combined closely.
As shown in Figure 4, Figure 5, the slot a216, slot b226, slot c236, slot d246 are separately positioned on flow valve module 27
On every step, multiple seal assemblies are equipped between flow valve module 27 and shell 28, seal assembly is mounted on flow valve group
Sealing ring 217 can be selected in the outer surface of part, seal assembly.
First deep gouge 214, the second deep gouge 224, third deep gouge 234 and the 4th deep gouge 244 are separately positioned on shell 28
On every step of bore area.
Claims (10)
1. a kind of cycloid hydraulic motor with double speed function, which is characterized in that the torque generation group including being sequentially connected setting
Part, flow component and valve component, the flow component include shell, and shell offers circular inner hole, and the surface of inner hole is set
There is hierarchic structure, shell is equipped with flow valve module by inner hole, and flow valve module is interior by the first connection pin connection internal tooth casing
Tooth set is mounted in wheel hub by the second connection pin connection shell, the outer surface of shell and bearing inner surface assembly connection, bearing,
It is opened up on shell inner hole wall there are four deep gouge, four deep gouges are arranged with female coaxial, and four deep gouges are respectively the first deep gouge, the
Two deep gouges, third deep gouge and the 4th deep gouge, the successively setting arranged in parallel of four deep gouges, and the diameter of four deep gouges gradually subtracts
Small, four holes that first deep gouge, the second deep gouge, third deep gouge and the 4th deep gouge are opened up with shell end face respectively are connected to, shell
Respectively with the oil communication of valve component, the external cylindrical surface of the flow valve module is set as ladder in four holes that body end face opens up
Face is respectively equipped with four slots on cascaded surface, and four slots are respectively slot a, slot b, slot c, slot d, and the diameter of four slots is gradually reduced, matches
Stream valve module is mounted in shell inner hole, and first annular seal space, structure between the second deep gouge and slot b are constituted between the first deep gouge and slot a
At the second seal chamber, third seal chamber is constituted between third deep gouge and slot c, and the 4th seal chamber is constituted between the 4th deep gouge and slot d,
The slot a, slot b, slot c, each slot is connected with three on flow valve module or four radially connected holes respectively in slot d,
Tetra- slot a, slot b, slot c, slot d slots are correspondingly arranged on 12 or 16 radially connected holes, open up respectively on flow valve module
There are 12 or 16 axial holes, axial hole is corresponded with radially connected hole and is connected to, and each axial hole is right with one respectively
The end face of flow valve module is arranged in the counterbore connection answered, 12 or 16 counterbores, and torque generates component and is equipped with valve plate,
Flat valve stack face is combined closely with flow side surface, and flow side surface offers multiple assignment holes.
2. the cycloid hydraulic motor according to claim 1 with double speed function, which is characterized in that the valve component packet
Include valve body, oil inlet and oil outlet offered on valve body, be respectively equipped with brake spool and double speed spool in valve body, brake spool and
Double speed spool is separately positioned in valve opening, and brake spool and valve body constitute three-position four-way valve, and double speed spool and valve body constitute three
Six-way valve.
3. the cycloid hydraulic motor according to claim 2 with double speed function, which is characterized in that be equipped in the valve body
Four grease chambers, four grease chambers are respectively grease chamber a, grease chamber b, grease chamber c, grease chamber d, and four grease chambers are by the control oil inlet of double speed spool and return
Oil, four grease chambers correspond with four holes of the shell end face of flow component be connected to respectively.
4. the cycloid hydraulic motor according to claim 2 or 3 with double speed function, which is characterized in that the brake valve
The both ends of core are separately connected braking valve spring, are respectively equipped with plug on the outside of two braking valve springs, and the two of the double speed spool
End is separately connected double speed valve spring, is respectively arranged with plug on the outside of two double speed valve springs, plug is connect with valve body, in valve body
It is also equipped with two dual-speed control valves.
5. the cycloid hydraulic motor according to claim 1 with double speed function, which is characterized in that the torque generation group
Part includes sequentially connected front cover, cycloid stator-rotator pair and valve plate, and seven or nine assignment holes are offered on the valve plate,
Assignment hole is rectangular opening.
6. the cycloid hydraulic motor according to claim 5 with double speed function, which is characterized in that the flow valve module
Through-hole is offered, universal driving shaft is equipped in through-hole, the both ends of universal driving shaft are respectively equipped with spline, one end of universal driving shaft and cycloid rotor
Secondary rotor internal spline connection, the other end are connect with internal tooth casing.
7. according to claim 1, having the cycloid hydraulic motor of double speed function described in any one of 2,3,5,6, feature exists
In, offer wheel hub card slot on the wheel hub, be equipped with the first retaining ring in wheel hub card slot, the setting of the first retaining ring wheel hub and bearing it
Between, housing outer surface offers card slot, and the second retaining ring is equipped in card slot, and the second retaining ring is arranged between bearing and shell.
8. according to claim 1, having the cycloid hydraulic motor of double speed function described in any one of 2,3,5,6, feature exists
In equipped with spring between the flow valve module and shell.
9. according to claim 1, having the cycloid hydraulic motor of double speed function described in any one of 2,3,5,6, feature exists
In the slot a, slot b, slot c, slot d are separately positioned on every step of flow valve module, between flow valve module and shell
Equipped with multiple seal assemblies, seal assembly is mounted on the outer surface of flow valve module.
10. according to claim 1, having the cycloid hydraulic motor of double speed function described in any one of 2,3,5,6, feature exists
In first deep gouge, the second deep gouge, third deep gouge and the 4th deep gouge are separately positioned on every step on shell inner hole surface
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294532.5A CN109058039A (en) | 2018-11-01 | 2018-11-01 | Cycloid hydraulic motor with double speed function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294532.5A CN109058039A (en) | 2018-11-01 | 2018-11-01 | Cycloid hydraulic motor with double speed function |
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| Publication Number | Publication Date |
|---|---|
| CN109058039A true CN109058039A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811294532.5A Pending CN109058039A (en) | 2018-11-01 | 2018-11-01 | Cycloid hydraulic motor with double speed function |
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| CN (1) | CN109058039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779622A (en) * | 2020-07-21 | 2020-10-16 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7055327B1 (en) * | 2005-03-09 | 2006-06-06 | Fibonacci Anstalt | Plasma-vortex engine and method of operation therefor |
| CN201705543U (en) * | 2010-06-08 | 2011-01-12 | 伊顿液压系统(济宁)有限公司 | Double-speed cycloid hydraulic driving motor |
| CN104912730A (en) * | 2015-05-29 | 2015-09-16 | 杭州电子科技大学 | Inner curvilinear low-speed large-torque water hydraulic motor with replaceable wearproof dish |
| CN208982213U (en) * | 2018-11-01 | 2019-06-14 | 孔祥臻 | Cycloid hydraulic motor with double speed function |
-
2018
- 2018-11-01 CN CN201811294532.5A patent/CN109058039A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7055327B1 (en) * | 2005-03-09 | 2006-06-06 | Fibonacci Anstalt | Plasma-vortex engine and method of operation therefor |
| CN201705543U (en) * | 2010-06-08 | 2011-01-12 | 伊顿液压系统(济宁)有限公司 | Double-speed cycloid hydraulic driving motor |
| CN104912730A (en) * | 2015-05-29 | 2015-09-16 | 杭州电子科技大学 | Inner curvilinear low-speed large-torque water hydraulic motor with replaceable wearproof dish |
| CN208982213U (en) * | 2018-11-01 | 2019-06-14 | 孔祥臻 | Cycloid hydraulic motor with double speed function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779622A (en) * | 2020-07-21 | 2020-10-16 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor and control method thereof |
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Application publication date: 20181221 |
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