CN107178497B - A kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor - Google Patents
A kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor Download PDFInfo
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- CN107178497B CN107178497B CN201710417849.2A CN201710417849A CN107178497B CN 107178497 B CN107178497 B CN 107178497B CN 201710417849 A CN201710417849 A CN 201710417849A CN 107178497 B CN107178497 B CN 107178497B
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- 238000005266 casting Methods 0.000 title claims abstract description 71
- 239000003921 oil Substances 0.000 claims description 106
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 230000000116 mitigating effect Effects 0.000 claims description 3
- 239000010705 motor oil Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/806—Pipes for fluids; Fittings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of conjuncted hydraulic pump motors to integrate flow oil circuit casting, and repairing hole, left side repairing valve opening, right side repairing valve opening, left side the first motor assignment hole, right side the first motor assignment hole, motor tailing axle bearing hole, left side the second motor assignment hole, right side the second motor assignment hole, left side first including being arranged on casting pump assignment hole, right side first pumps assignment hole, pump tailing axle bearing hole, left side second pumps assignment hole, right side second pumps assignment hole, left side oil leak hole, right side oil leak hole.Oil circuit of the present invention has axisymmetric geometrical characteristic, solves the problems, such as that the cast form for connecting oil circuit between high-pressure pump and high voltage machines is difficult, solves the problems, such as that repairing road and the space on draining road are positioned opposite, reduced thickness direction size and overall weight.
Description
Technical field
The invention belongs to hydraulic pumps, hydraulic motor technical field, are related to a kind of integrated flow oil circuit of conjuncted hydraulic pump motor
Casting.
Background technique
Conjuncted hydraulic pump motor is the core component applied to the stepless drive system of enclosed, with the area of seperated hydraulic pump motor
It is not whether flow oil circuit is integrally formed.Fill valve and high pressure valve are simutaneously arranged by the oil circuit of existing conjuncted hydraulic pump motor
Pump side, in order to strengthen the quick mixed of cool oil and hot oil to improve use temperature upper limit, it has to increase the length on repairing road
Degree, directly contributes integrated flow oil circuit winding complex, there is a problem of that casting difficulty is big, at high cost, period length；It is existing conjuncted
The integrated flow oil circuit of hydraulic pump motor is considered more to be short of, not yet be set using lightweight principle in loss of weight design aspect
Meter.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor, by by high pressure valve
Group is respectively arranged in pump side and motor-side with Fill valve, solve conjuncted hydraulic pump motor integrate flow oil circuit is tortuous, casting is difficult,
The excessive problem of thickness；By increasing recess deep gouge in integrated flow oil circuit casting exposed face and shrinking envelope surface, casting is solved
The light-weighted problem of part.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of conjuncted hydraulic pump motors to integrate flow oil circuit casting,
On the binding face of the casting, middle line, is arranged a flowing hole as repairing hole 1, casting middle and upper part in cast top along longitudinal direction
One blind hole is set as motor tailing axle bearing hole 6, a blind hole is arranged as pump tailing axle bearing hole 11, repairing in casting middle and lower part
Hole 1 is for being connected to repairing import, and motor tailing axle bearing hole 6 and pump tailing axle bearing hole 11 are for installing bearing, in motor tail bearing
6 peripheral circumferential of bore is uniformly distributed, and there are four flowing holes, are respectively located at the left side first of 6 left side of motor tailing axle bearing hole from top to bottom
Motor assignment hole 4, left side the second motor assignment hole 7, positioned at the first motor of right side of 6 right side of motor tailing axle bearing hole from top to bottom
Assignment hole 5, right side the second motor assignment hole 8；Flowing hole, respectively position there are four being evenly distributed in pump 11 peripheral circumferential of tailing axle bearing hole
In the left side first of 11 left side of pump tailing axle bearing hole from top to bottom pumps assignment hole 9, left side second pumps assignment hole 12, positioned at pump tailing axle
The right side first of 11 right side of bearing hole from top to bottom pumps assignment hole 10, right side second pumps assignment hole 13；Wherein, the first motor of left side
Assignment hole 4, left side the second motor assignment hole 7, left side first pump assignment hole 9, left side second pumps assignment hole 12 to be interconnected be one
Group, right side the first motor assignment hole 5, right side the second motor assignment hole 8, right side first pumps assignment hole 10, right side second pumps flow
It is one group that hole 13, which is interconnected, for being connected to rotor height pumping cavity；In casting upper side, there is the left side repairing being arranged symmetrically
Valve opening 2 and right side repairing valve opening 3, for installing repairing valve group；In casting bottom face, there are two flowing holes being arranged symmetrically, point
Not Wei left side oil leak hole 14 and right side oil leak hole 15, for being connected to high voltage control valve group；The above oil circuit smoothly transits connection, equal position
In in same plane, each flowing hole is interconnected.
Wherein, the left side repairing valve opening 2 and right side repairing valve opening 3 are designed by installation check valve.
Wherein, on the casting exposed face, baltimore groove is set, for mitigating overall weight.
Wherein, the shape of the casting and internal two sides oil circuit are along motor tailing axle bearing hole 6, pump tailing axle bearing hole 11
Line of centres is arranged symmetrically.
Wherein, thickness of the casting in non-oil circuit region reduces 15%-60% with respect to the thickness in oil circuit region.
Wherein, the motor tailing axle bearing hole 6 of the casting, pump tailing axle bearing hole 11, left side repairing valve opening 2 and right side repairing
Valve opening 3 is circle, and repairing hole 1, left side the first motor assignment hole 4, left side the second motor assignment hole 7, left side first pump assignment hole
9, left side second pumps assignment hole 12, right side the first motor assignment hole 5, right side the second motor assignment hole 8, the pump assignment hole of right side first
10, right side second pumps the design of assignment hole 13 and is round or oval.
Wherein, in the casting, left side repairing valve opening 2 is equal with the diameter of right side repairing valve opening 3, and the first motor of left side is matched
Discharge orifice 4, left side the second motor assignment hole 7, left side first pumps assignment hole 9, left side second pumps assignment hole 12, the first motor of right side is matched
Discharge orifice 5, right side the second motor assignment hole 8, right side first pumps assignment hole 10, right side second pumps the geometric dimension phase of assignment hole 13
Together, motor tailing axle bearing hole 6 is equal with pump 11 diameter of tailing axle bearing hole.
Wherein, the repairing hole 1 is located at motor-side, and centerline hole is no more than 150mm apart from motor axis, is conducive to cool
Oil and motor oil return are sufficiently mixed early, and left side oil leak hole 14 and right side oil leak hole 15 are located at pump side, repairing hole and oil leak hole point
It is listed in motor-side and pump side, is conducive to make oil circuit in order, avoids the problem that oil circuit moves towards tortuous.
Wherein, the first motor of left side assignment hole 4, left side the second motor assignment hole 7 are connected to left side repairing valve opening 2
Oil circuit is repairing road, pumps assignment hole 9 with left side first, left side second pumps the main oil that the oil circuit that assignment hole 12 is connected to is closed system
Road, working connection flow area are 1.5 times of repairing road flow area.
Wherein, the oil circuit in the casting, section are designed as round rectangle, and wall thickness is not less than 10mm.
(3) beneficial effect
The integrated flow oil circuit casting of conjuncted hydraulic pump motor provided by above-mentioned technical proposal, remarkable result are: 1)
The present invention is placed in the oil circuit design scheme of pump side and motor-side using oil leak hole and repairing hole, and it is multiple to solve integrated flow oil circuit
Problem miscellaneous, casting is difficult and thickness is excessive；2) repairing road is arranged in motor-side by the present invention, solves the hot oil of cycle operation
The problem of quickly being mixed with the cool oil that fuel tank fills into；3) the contraction envelope curved design that the present invention uses, solves integrated oil path
The light-weighted problem of casting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the conjuncted hydraulic pump motor of the present invention integrates flow oil circuit casting；
Fig. 2 is the hydraulic circuit schematic diagram of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the C-C cross-sectional view of Fig. 1；
Fig. 5 is the D-D cross-sectional view of Fig. 1；
Fig. 6 is the G-G cross-sectional view of Fig. 1；
In figure: 1. repairing holes；2. left side repairing valve opening；3. right side repairing valve opening；4. the first motor assignment hole of left side；5. right
Side the first motor assignment hole；6. motor tailing axle bearing hole；7. the second motor assignment hole of left side；8. the second motor assignment hole of right side；
9. left side first pumps assignment hole；10. right side first pumps assignment hole；11. pumping tailing axle bearing hole；12. left side second pumps assignment hole；
13. right side second pumps assignment hole；14. left side oil leak hole；15. right side oil leak hole.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, can be two
Connection inside element.For the ordinary skill in the art, can regard concrete condition understands above-mentioned term in this hair
Concrete meaning in bright.
Referring to figs. 1 to shown in Fig. 6, the binding face of the present embodiment casting is plane, has approximate rectangle feature, and is bonded
The opposite exposed surface in face be according to lightweight requirements design regular concavo-convex curved surface, remaining surface be the plane generally cast or
Cambered surface.
On the binding face of casting, middle line, is arranged a flowing hole as repairing hole 1, casting in cast top along longitudinal direction
A blind hole is arranged as motor tailing axle bearing hole 6 in middle and upper part, and a blind hole is arranged as pump tailing axle bearing hole in casting middle and lower part
11, repairing hole 1 is for being connected to repairing import, and motor tailing axle bearing hole 6 and pump tailing axle bearing hole 11 are for installing bearing, in motor
6 peripheral circumferential of tailing axle bearing hole is uniformly distributed, and there are four flowing holes, are respectively located at the left side of 6 left side of motor tailing axle bearing hole from top to bottom
Side the first motor assignment hole 4, left side the second motor assignment hole 7, positioned at the right side of the right side of motor tailing axle bearing hole 6 from top to bottom the
One motor assignment hole 5, right side the second motor assignment hole 8；It is evenly distributed in pump 11 peripheral circumferential of tailing axle bearing hole there are four flowing hole, point
Assignment hole 9, the pump assignment hole 12 of left side second Wei not be pumped positioned at the left side first of 11 left side of pump tailing axle bearing hole from top to bottom, be located at
It pumps the right side first of 11 right side of tailing axle bearing hole from top to bottom and pumps assignment hole 10, the pump assignment hole 13 of right side second；Wherein, left side
One motor assignment hole 4, left side the second motor assignment hole 7, left side first pumps assignment hole 9, left side second pumps the interconnection of 12 phase of assignment hole
Leading to is one group, and right side the first motor assignment hole 5, right side the second motor assignment hole 8, right side first pump assignment hole 10, right side second
It is one group that pump assignment hole 13, which is interconnected, for being connected to rotor height pumping cavity；In casting upper side, there is the left side being arranged symmetrically
Side repairing valve opening 2 and right side repairing valve opening 3, for installing repairing valve group；In casting bottom face, there are two overcurrents being arranged symmetrically
Hole, respectively left side oil leak hole 14 and right side oil leak hole 15, for being connected to high voltage control valve group；The above oil circuit smoothly transits company
It connects, is respectively positioned in same plane, each flowing hole is interconnected.
Left side repairing valve opening 2 and right side repairing valve opening 3 are check valve.
On casting exposed face, there is a baltimore groove, for mitigating overall weight.
In the above-mentioned technical solutions, the shape of casting and internal two sides oil circuit are along motor tailing axle bearing hole 6, pump tail bearing
The line of centres of bore 11 is arranged symmetrically, and solves the problems, such as that the cast form that oil circuit is connected between high-pressure pump and high voltage machines is difficult,
Solve the problems, such as that repairing road and the space on draining road are positioned opposite, reduced thickness direction size and overall weight.
The present embodiment internal oil passages work characteristics are as follows: enter from the repairing hole 1 for being located at center line, through repairing chamber to the left and right two
Side oil circuit symmetric development, left and right sides oil circuit pass through respective repairing valve chamber respectively, and turn over 90 ° and be sequentially communicated high low pressure side
Flowing hole, left side the first motor assignment hole 4, left side the second motor assignment hole 7, left side first pumps assignment hole 9, the pump of left side second is matched
Discharge orifice 12 and right side the first motor assignment hole 5, right side the second motor assignment hole 8, right side first pump assignment hole 10, right side second pumps
Assignment hole 13, until extending to high pressure valve group binding face flowing hole left side oil leak hole 14 and right side oil leak hole 15, oil circuit is high/low
Press side passage section to increase, pump and the linkage section of motor be the second motor assignment hole 7 of left side to left side first pump assignment hole 9 and
Right side the second motor assignment hole 8 to right side first pumps assignment hole 10 and reaches maximum, and oil circuit is entirely located in same plane, not bright
Aobvious wedge angle sharp edge, oil circuit changeover portion are connected with straight line with circular arc line, and minimum oil circuit wall thickness is not less than 10mm.
Thickness of the casting in non-oil circuit region reduces 15%-60%, high pressure valve group binding face with respect to the thickness in oil circuit region
Size and shape depending on high pressure valve group, generally rectangular cross-section plane.
Motor tailing axle bearing hole 6, pump tailing axle bearing hole 11, left side repairing valve opening 2 and the right side repairing valve opening 3 of the casting
For circle, repairing hole 1, left side the first motor assignment hole 4, left side the second motor assignment hole 7, left side first pump assignment hole 9, left side
Second pump assignment hole 12, right side the first motor assignment hole 5, right side the second motor assignment hole 8, right side first pump assignment hole 10, the right side
Side second, which pumps assignment hole 13, can be designed as round, ellipse or other geometries.
In casting, left side repairing valve opening 2 is equal with the diameter of right side repairing valve opening 3, left side the first motor assignment hole 4, a left side
Side the second motor assignment hole 7, left side first pump assignment hole 9, left side second pumps assignment hole 12, right side the first motor assignment hole 5, the right side
Side the second motor assignment hole 8, the pump assignment hole 10 of right side first, the geometric feature sizes of the pump assignment hole 13 of right side second are identical, horse
Equal with pump 11 diameter of tailing axle bearing hole up to tailing axle bearing hole 6, each orifice diameter is formulated according to job requirement, but minimum orifice control
Wall thickness processed is not lower than 10mm.
Repairing hole 1 is located at motor-side, and centerline hole is no more than 150mm apart from motor axis distance, be conducive to cool oil and
Motor oil return is sufficiently mixed early, and left side oil leak hole 14 and right side oil leak hole 15 are located at pump side, and repairing hole is respectively in oil leak hole
Motor-side and pump side are conducive to make oil circuit in order, avoid the problem that oil circuit moves towards tortuous.
The present invention program is described below with reference to every width attached drawing.
As shown in Figure 1, showing the repairing hole of the present embodiment casting, the unidirectional valve opening of two repairings, four motor-side flows
Hole, motor-side bearing saddle bore, four pump side assignment holes, pump side bearing saddle bore, the position of two oil leak holes and relative position
Relationship.
As shown in Figure 2: repairing hole 1 is for being connected to fuel tank；Left side repairing valve opening 2 and right side repairing valve opening 3 are arranged symmetrically, and are used
In the direction that installation check valve, control oil liquid fill into；Left side repairing valve opening 2, left side the first motor assignment hole 4, the second horse of left side
Up to assignment hole 7, left side first pump assignment hole 9, left side second pumps assignment hole 12 and left side oil leak hole 14 is one group and is interconnected,
Correspond to HPA；Right side repairing valve opening 3, right side the first motor assignment hole 5, right side the second motor assignment hole 8, the pump of right side first are matched
Discharge orifice 10, right side second pump assignment hole 13 and right side oil leak hole 15 is one group and is interconnected, and correspond to HPB；HPA and HPB is tied
Configuration formula is full symmetric, can meet the job requirement of hydraulic pump bidirectional variable；Left side oil leak hole 14 and right side oil leak hole 15 are together
It is connected into high-pressure safety valve, high pressure valve decides whether for HPA to be connected to HPB according to the hydraulic situation of hydraulic pump, to prevent locking system mistake
It carries.
In the conjuncted pump motor course of work, the hydraulic oil of lower temperature is filled into from repairing hole 1, using HPA as high pressure
HPB is the opening of left side repairing valve opening 2 for low pressure, the closing of right side repairing valve opening 3.Hydraulic oil elder generation and the motor-side flow filled into
The hydraulic oil mixing for the higher temperature that hole 47 is flowed back, under the driving of pressure difference, two strands of hydraulic oil flow into the first pump of left side together and match
Discharge orifice 9, left side second pump assignment hole 12 and left side oil leak hole 14.Under the drive of hydraulic pump shaft, output different displacements size
High pressure oil pumps assignment hole 10 through right side first, right side second pumps assignment hole 13 and flows into right side oil leak hole 15 and the first motor of right side
Assignment hole 5, right side the second motor assignment hole 8, hydraulic oil push hydraulic motor, realize power transfer.If hydraulic fluid pressure exists
In safe range, high pressure valve group is by left side oil leak hole 14, the closing isolation of right side oil leak hole 15, conversely, two left side repairing valve openings 2
Oil leak hole connection, realizes pressure protection.
As shown in figure 3, the cross-sectional view that casting is formed along section B-B, illustrates partial left side repairing valve opening 2, left side
One motor assignment hole 4, left side the second motor assignment hole 7, left side first pumps assignment hole 9, left side second pumps assignment hole 12 and left side
Oil leak hole 14 is connected to oil circuit situation.Left side the first motor assignment hole 4, left side the second motor assignment hole 7 and left side repairing valve opening 2 connect
Logical oil circuit is repairing road, pumps assignment hole 9 with left side first, the oil circuit that the pump assignment hole 12 of left side second is connected to is closed system
Working connection, the flow of working connection are significantly greater than repairing road, and the flow area T2 of general working connection is 1.5 times of repairing road T1.Casting
Part needs to be machined in the end face Z, and the thickness after material removal is equal with the thickness of the end face Y, and control thickness is no less than 15mm.
As shown in figure 4, the cross-sectional view that casting is formed along the section C-C, illustrate repairing hole 1, motor tailing axle bearing hole 6 with
Pump the situation positioned opposite of tailing axle bearing hole 11.Design has the deep gouge for the connection that smoothly transits on the end face T, to mitigate the weight of casting
Amount, deep gouge controlling depth is passive size, and depending on the minimum casting wall thickness of bearing saddle bore corresponding position, control thickness H is not
Less than 30mm.
As shown in figure 5, the cross-sectional view that casting is formed along the section D-D, illustrate repairing hole 1 and left side repairing valve opening 2 and
The connection details of right side repairing valve opening 3.It is designed as fillet cylindrical chamber in threeway part, the diameter of column section is the 2 of repairing road
Times, it is used for slow supply oil pressure and flow pulsation.
As shown in fig. 6, the cross-sectional view that casting is formed along the section G-G, illustrate integrated flow oil circuit cross sectional shape and
Wall thickness.Oil circuit section is typically designed as round rectangle, to make full use of cast form feature, expands passage section area, mitigates
Useless casting weight, control wall thickness H are not lower than 10mm.
In conclusion it includes two fitting planes, one group that the conjuncted hydraulic pump motor of the present embodiment, which integrates flow oil circuit casting,
Exposed curved surface, one group of bearing installing blind, two groups of high low pressure side flowing holes, a repairing hole, one group of Fill valve flowing hole and one
Group high pressure valve flowing hole；Two binding faces, biggish cooperated with conjuncted pump motor shell, and lesser assembled with high pressure valve
It closes；One group of exposed curved surface moves towards the contraction envelope surface to be formed according to oil circuit；Bearing installing blind has circular feature, is located at
On the casting axis of symmetry；High low pressure side flowing hole, is distributed in bearing installing blind surrounding by every group four；Repairing hole is located at casting
On the part axis of symmetry, overcurrent direction is perpendicular to binding face；Fill valve flowing hole is symmetrically arranged in repairing hole two sides；High pressure valve mistake
There are two discharge orifices, is symmetrically arranged in casting axis two sides, and overcurrent is oriented parallel to binding face；All flowing holes are interconnected, and use
In circulation hydraulic medium.
The present invention is suitable for conjuncted hydraulic pump motor, especially suitable for high pressure and the conjuncted hydraulic pump motor of super-pressure.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of conjuncted hydraulic pump motor integrates flow oil circuit casting, which is characterized in that on the binding face of the casting, along vertical
To the midline, one flowing hole is set as repairing hole (1) in cast top, a blind hole is arranged as motor tail in casting middle and upper part
A blind hole is arranged as pump tailing axle bearing hole (11) in bearing saddle bore (6), casting middle and lower part, and repairing hole (1) is for being connected to repairing
Import, motor tailing axle bearing hole (6) and pump tailing axle bearing hole (11) are for installing bearing, in motor tailing axle bearing hole (6) periphery
There are four flowing holes for circumference uniform distribution, are respectively located at the first motor of left side on the left of motor tailing axle bearing hole (6) from top to bottom and match
Discharge orifice (4), left side the second motor assignment hole (7) are located at the first motor of right side from top to bottom on the right side of motor tailing axle bearing hole (6)
Assignment hole (5), right side the second motor assignment hole (8)；It is evenly distributed in pump tailing axle bearing hole (11) peripheral circumferential there are four flowing hole, point
Assignment hole (9) Wei not be pumped positioned at the left side first of pump tailing axle bearing hole (11) left side from top to bottom, left side second pumps assignment hole
(12), it is located at the right side first on the right side of pump tailing axle bearing hole (11) from top to bottom and pumps assignment hole (10), the pump assignment hole of right side second
(13)；Wherein, the first motor of left side assignment hole (4), left side the second motor assignment hole (7), left side first pump assignment hole (9), a left side
Side second pumps assignment hole (12), and to be interconnected be one group, right side the first motor assignment hole (5), right side the second motor assignment hole (8),
It is one group that right side first, which pumps assignment hole (10), right side second pumps assignment hole (13) and is interconnected, for being connected to rotor height pressure oil
Chamber；In casting upper side, there are the left side repairing valve opening (2) and right side repairing valve opening (3) being arranged symmetrically, for installing Fill valve
Group；In casting bottom face, there are two flowing holes being arranged symmetrically, respectively left side oil leak hole (14) and right side oil leak hole (15),
For being connected to high voltage control valve group；The above oil circuit smoothly transits connection, is respectively positioned in same plane；Left side repairing valve opening (2), a left side
Side the first motor assignment hole (4), left side the second motor assignment hole (7), left side first pumps assignment hole (9), left side second pumps flow
Hole (12) and left side oil leak hole (14) are one group and are interconnected, and correspond to HPA；Right side repairing valve opening (3), the first motor of right side
Assignment hole (5), right side the second motor assignment hole (8), right side first pumps assignment hole (10), right side second pumps assignment hole (13) and the right side
Side oil leak hole (15) is one group and is interconnected, and corresponds to HPB；HPA and HPB structure type are full symmetric.
2. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that the left side repairing
Valve opening (2) and right side repairing valve opening (3) are arranged symmetrically, for installing check valve.
3. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that outside the casting
On showing up, baltimore groove is set, for mitigating overall weight.
4. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that outside the casting
Line of centres of the shape with internal two sides oil circuit along motor tailing axle bearing hole (6), pump tailing axle bearing hole (11) is arranged symmetrically.
5. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that the casting is non-
The thickness in oil circuit region reduces 15%-60% with respect to the thickness in oil circuit region.
6. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that the horse of the casting
It is circle, repairing up to tailing axle bearing hole (6), pump tailing axle bearing hole (11), left side repairing valve opening (2) and right side repairing valve opening (3)
Hole (1), left side the first motor assignment hole (4), left side the second motor assignment hole (7), left side first pump assignment hole (9), left side the
Two pumps assignment hole (12), right side the first motor assignment hole (5), right side the second motor assignment hole (8), right side first pump assignment hole
(10), right side second pumps assignment hole (13) design and is round or oval.
7. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that in the casting,
The diameter of left side repairing valve opening (2) and right side repairing valve opening (3) is equal, left side the first motor assignment hole (4), the second motor of left side
Assignment hole (7), left side first pump assignment hole (9), left side second pumps assignment hole (12), right side the first motor assignment hole (5), right side
Second motor assignment hole (8), the pump of right side first assignment hole (10), the geometric dimension of the pump of right side second assignment hole (13) are identical, horse
It is equal up to tailing axle bearing hole (6) and pump tailing axle bearing hole (11) diameter.
8. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that the repairing hole
(1) it is located at motor-side, and centerline hole is no more than 150mm apart from motor axis, is conducive to cool oil and motor oil return is abundant early
Mixing, left side oil leak hole (14) and right side oil leak hole (15) are located at pump side, and one-piece parts thickness can be separately thinned in the two.
9. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that the left side first
The oil circuit that motor assignment hole (4), left side the second motor assignment hole (7) are connected to left side repairing valve opening (2) is repairing road, with left side
First pump assignment hole (9), left side second pump assignment hole (12) connection oil circuit be closed system working connection, working connection is through-flow face
Product is 1.5 times of repairing road flow area.
10. conjuncted hydraulic pump motor as described in claim 1 integrates flow oil circuit casting, which is characterized in that in the casting
Oil circuit, section is designed as round rectangle, and wall thickness is not less than 10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417849.2A CN107178497B (en) | 2017-06-06 | 2017-06-06 | A kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417849.2A CN107178497B (en) | 2017-06-06 | 2017-06-06 | A kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor |
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| CN107178497A CN107178497A (en) | 2017-09-19 |
| CN107178497B true CN107178497B (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710417849.2A Active CN107178497B (en) | 2017-06-06 | 2017-06-06 | A kind of integrated flow oil circuit casting of conjuncted hydraulic pump motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108108535B (en) * | 2017-12-07 | 2021-02-09 | 中国航发控制系统研究所 | Complex shell design method based on three-dimensional printing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411372Y (en) * | 1999-10-22 | 2000-12-20 | 李世六 | Axial multigroup piston type hydraulic variable desplacement pump or variable speed motor |
| CN2667193Y (en) * | 2003-12-26 | 2004-12-29 | 浙江大学 | Low-friction-wear pure water hydraulic axial plunger pump or motor |
| CN103423152A (en) * | 2012-11-23 | 2013-12-04 | 浙江台州先顶液压有限公司 | Automotive hydraulic vane pump motor and switching control hydraulic system thereof |
| CN105715532A (en) * | 2016-04-06 | 2016-06-29 | 北京理工大学 | A parallel-shaft conjoined hydraulic pump motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI333353B (en) * | 2003-01-21 | 2010-11-11 | Panasonic Corp | System and method for communications with reservation of network resources, and terminal therefore |
| JP2015175254A (en) * | 2014-03-13 | 2015-10-05 | 株式会社島津製作所 | Gear pump or motor |
-
2017
- 2017-06-06 CN CN201710417849.2A patent/CN107178497B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411372Y (en) * | 1999-10-22 | 2000-12-20 | 李世六 | Axial multigroup piston type hydraulic variable desplacement pump or variable speed motor |
| CN2667193Y (en) * | 2003-12-26 | 2004-12-29 | 浙江大学 | Low-friction-wear pure water hydraulic axial plunger pump or motor |
| CN103423152A (en) * | 2012-11-23 | 2013-12-04 | 浙江台州先顶液压有限公司 | Automotive hydraulic vane pump motor and switching control hydraulic system thereof |
| CN105715532A (en) * | 2016-04-06 | 2016-06-29 | 北京理工大学 | A parallel-shaft conjoined hydraulic pump motor |
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| CN107178497A (en) | 2017-09-19 |
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