CN107401530B - A kind of oil channel structures of the U-shaped oil pressure pump pump housing - Google Patents
A kind of oil channel structures of the U-shaped oil pressure pump pump housing Download PDFInfo
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- CN107401530B CN107401530B CN201710664974.3A CN201710664974A CN107401530B CN 107401530 B CN107401530 B CN 107401530B CN 201710664974 A CN201710664974 A CN 201710664974A CN 107401530 B CN107401530 B CN 107401530B
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- oil
- hydraulic cylinder
- oil pressure
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- reversal valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/18—Combined units comprising both motor and pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rotary Pumps (AREA)
Abstract
A kind of oil channel structures of the U-shaped oil pressure pump pump housing, including the motor interface for connecting motor and fixed motor, the inner cavity of motor interface is cylinder shape, and the interior of the motor interface intracavitary is coaxially provided with the power oil pocket being connected for the output shaft with motor, the side of the motor interface outer wall is equipped with the hydraulic cylinder interface for being coaxially connected with hydraulic cylinder, the hydraulic cylinder interface is in cylinder shape, and the central axes of the hydraulic cylinder interface and the central axes of the motor interface are perpendicular.The central axes of hydraulic cylinder interface and the central axes of the motor interface are perpendicular, so that the central axis of the power oil pocket of motor side and the oil pocket central axis of hydraulic cylinder are mutual, are conducive to executing agency towards all directions and execute movement, be conducive to the arrangement of center of gravity of the present invention.
Description
Technical field
The present invention relates to a kind of oil channel structures of U-shaped oil pressure pump pump housing.
Background technique
Pressure oil pump is the critical component in numerous hydraulic machinery equipments, and the pump housing is the core carrier of oil pump, the pump housing
The quality of design directly determines many important performances of oil pump, such as dynamic property, economy and leakproofness, while the also decision pump housing
Volume size influences the space layout of the pump housing.
The drive of the cores such as plunger, cunning switch, check valve, eccentric wheel and the bearing of different number is often equipped in the pump housing
Oil pressure part is moved, setting reversing oil circuit is also possible on the pump housing, with the direction of action mechanical using control.
Known many oil pump applications, exist pump housing positioning accuracy is not high, manufacturing process is complicated, volume is larger,
Internal structure abrasion is big, service life is not long, work noise is big, the vibration shortcomings such as acutely, and these disadvantages all with the pump housing
Structure design it is closely bound up.
Currently, many pump bodies, oil pump cover are generally directly sealed by the way of the fitting of end face, due to oil pump
Body, bearing (ball) cover are fabricated by metal material, and are fastenedly connected using screw, but since manufacture and assembly technology are multiple
It is miscellaneous, it is easy to appear poorly sealed, part between binding face and misaligns, wear the undesirable conditions such as big, leads to oil pump performance decline, temperature
Spend the rough sledding such as raising, noise increase, service life reduction.Requirements at the higher level for pump body be simple structure and convenient processing,
Reliable operation, physical life are long, pump oil pressure is high.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of oil channel structures of U-shaped oil pressure pump pump housing.
Technical proposal that the invention solves the above-mentioned problems is:
A kind of oil channel structures of the U-shaped oil pressure pump pump housing, including the motor interface 13 for connecting motor 3 and fixed motor 3,
The inner cavity of motor interface 13 is cylinder shape, and the interior of the motor interface 13 intracavitary is coaxially provided with for the output with motor 3
The connected power oil pocket 17 of axis, the side of 13 outer wall of motor interface are equipped with the hydraulic cylinder for being coaxially connected with hydraulic cylinder 8
Interface 12, the hydraulic cylinder interface 12 are in cylinder shape, and the central axes of the hydraulic cylinder interface 12 and the motor interface 13
Central axes it is perpendicular；
The other side of the motor interface 13 is equipped with connecting plate 11, the connecting plate be equipped with for reversal valve is hydraulic opens
Close 6 connected connectors 14, the connector 14 is in cylindrical shape, and the central axes of the connector 14 and the power oil pocket
17 central axes are perpendicular, and the inner face of connector 14 is fixed on the top of connecting plate 11, coaxial on the outer end face of connector 14
If there are five nipple orifice, and projection of five nipple orifices on the outer end face of connector 14 is in < shape, and the < shape
The central axes of symmetry axis and the power oil pocket 17 are perpendicular；Five nipple orifices are respectively that power oil pocket oil pressure pump portals
A1, positive oil pressure input hole a2, reversed oil pressure input hole a4, forward direction oil liquid oil return hole a3 and reversed oil liquid oil return hole a5；
The power oil pocket oil pressure pump portals at the cusp that a1 is located among < shape, and oil pocket oil pressure pump portals the import of a1
End is connected to by main oil gallery with power oil pocket 17, the power oil pocket oil pressure pump portal a1 outlet end for hydraulic with reversal valve
The reversal valve main oil gallery entrance p33 of switch 6 is connected；
The power oil pocket 17 is in hollow cylindrical shape, and the power oil pocket 17 is connected to fuel tank 2, the power oil pocket
17 outlet end end face is equipped with several oil outlets a11, and the oil outlet a11 by a connector and main oil gallery into
The connection of mouth end；
The forward direction oil pressure input hole a2 and the reversed oil pressure input hole a4 are located at the power oil pocket oil pressure pump
Portal the two sides of a1, and the input end alternating of the input end of the positive oil pressure input hole a2 and the reversed oil pressure input hole a4
Be connected to the oil inlet of the reversal valve hydraulic selector 6, and the outlet end of the positive oil pressure input hole a2 pass sequentially through it is described
Reversal valve forward direction oil duct junction p44, the oil pressure forward direction oil duct of reversal valve hydraulic selector 6 are hydraulic with 8 positive action of driving hydraulic cylinder
The connection of cylinder forward channel；The outlet end of the reversed oil pressure input hole a4 is anti-by the reversal valve of the reversal valve hydraulic selector 6
It is connected to oil duct junction p66, the reversed oil duct of oil pressure with the hydraulic cylinder backward channel of 6 counteragent of driving hydraulic cylinder；
The forward direction oil liquid oil return hole a3 is adjacent with forward direction oil pressure input hole a2, the reversed oil liquid oil return hole a5 and reversed
Oil pressure input hole a4 is adjacent；And the input end of the positive oil liquid oil return hole a3 and the input end of the reversed oil liquid oil return hole a5
Alternating is connected to the reversal valve fuel tank inlet p55 of the reversal valve hydraulic selector 6；And the outlet of the positive oil liquid oil return hole a3
End passes sequentially through reversal valve fuel tank inlet p55, fuel tank forward direction back oil road is connected to fuel tank 2, the reversed oil liquid oil return hole a5's
Outlet end passes sequentially through reversal valve fuel tank inlet p55, the reversed back oil road of fuel tank is connected to fuel tank 2；
Fuel tank 2, power oil pocket 17, connector, main oil gallery and power oil pocket oil pressure pump portal, and a1 is interconnected to constitute oil pressure
Form oil circuit, and portal a1, positive oil pressure input hole a2, reversed oil pressure input hole a4, positive oil liquid of power oil pocket oil pressure pump returns
There is following working condition between oilhole a3, reversed oil liquid oil return hole a5, reversal valve hydraulic selector 6 and hydraulic cylinder 8:
Positive working condition:
Oil pressure forms reversal valve forward direction oil duct junction p44, the oil of oil circuit, positive oil pressure input hole a2, reversal valve hydraulic selector 6
Positive pressure is sequentially communicated to form oil pressure forward direction oil circuit to oil duct and hydraulic cylinder forward channel, and the oil liquid with pressure is positive by oil pressure
Oil circuit enters hydraulic cylinder 8, the positive work of driving hydraulic cylinder 8；
The oil return opening of hydraulic cylinder 8, the reversal valve fuel tank inlet p55 of reversal valve hydraulic selector 6, positive oil liquid oil return hole a3,
Fuel tank forward direction oil duct, fuel tank 2 are sequentially communicated to form oil liquid forward direction return tank oiling channel oil, and oil liquid returns to fuel tank oil by oil liquid forward direction
Road flows back into fuel tank 2；
Reverse operation state: it is anti-that oil pressure forms oil circuit, reversed oil pressure input hole a4, the reversal valve of reversal valve hydraulic selector 6
It is sequentially communicated to form the reversed oil circuit of oil pressure to oil duct junction p66, the reversed oil duct of oil pressure and hydraulic cylinder backward channel, the oil with pressure
Liquid enters hydraulic cylinder, driving hydraulic cylinder reverse operation by the reversed oil circuit of oil pressure；
The oil return opening of hydraulic cylinder, the reversal valve fuel tank inlet p55 of reversal valve hydraulic selector 6, reversed oil liquid oil return hole a5, oil
The reversed back oil road of case, fuel tank 2, which are sequentially communicated, to be formed oil liquid and reversely returns to tank oiling channel oil, and oil liquid reversely returns to fuel tank oil by oil liquid
Road flows back into fuel tank 2.
Further, five nipple orifice spaced sets.
Further, the oil outlet a11 of the 120 ° of settings in interval there are three being set on the outlet end end face of the power oil pocket 17, and
Three oil outlet a11 are equal with the distance between the center of circle of outlet end end face of power oil pocket 17,
Further, the shape of the connector be it is T-shaped, and three T-shaped endpoints respectively with three oil outlets
A11 is connected to, and is connected at the main oil gallery and T-shaped node.
Further, main oil gallery is located at the center of ontology, and the oil pressure forward direction oil duct and the reversed oil duct difference of the oil pressure
The two sides adjacent positioned at the main oil gallery.
Further, it is equipped in the power oil pocket 17 for providing hydraulic plunger device, the plunger device and driving
The motor 3 of plunger device movement is connected.
Further, the connecting plate and top surface and the top surface of the hydraulic cylinder interface 12 are above the motor interface 13
Top surface, the connecting plate, motor interface 13 and hydraulic cylinder interface 12 constitute U-shaped.
Further, it is provided with the large circle e6 and small cylinder e7 matched with hydraulic cylinder 8 in the hydraulic cylinder interface 12, greatly
Annulus e6 and small cylinder e7 coaxial arrangement；It is equipped with outside stepped hole e5 and inner seal ring slot e2, large circle e6 and opens up in small cylinder e7
There is external seal ring recess e1；It is equipped with major thread ring e4 in hydraulic cylinder interface 12, and has opened up a fixed pin holes on major thread ring e4,
Internal screw thread has been opened up in the small cylinder e7.
Beneficial effects of the present invention are mainly manifested in:
(1) a plurality of oil circuit is designed on the pump housing of the present invention, reasonable structural arrangement, so that pump housing compact dimensions, again
Amount is light.The invention enables the central axises of the central axis of motor side and hydraulic cylinder to be located on the same line, setting above motor
The connector for having set reversal valve is provided with multinomial structure function near connector, advantageously forms good Human-machine Control side
Formula is improved the working efficiency of the pump housing, is switched by oil circuit by the reasonable Arrangement of oil circuit, and mechanism can be rapidly completed just
To the conversion executed between back execution.
(2) central axes of hydraulic cylinder interface and the central axes of the motor interface are perpendicular, so that the power oil of motor side
The central axis of chamber and the oil pocket central axis of hydraulic cylinder are mutual, are conducive to executing agency towards all directions and execute movement, are conducive to
The arrangement of center of gravity of the present invention, and lateral (i.e. the central axes direction of hydraulic cylinder interface) size is rationally utilized, it is longitudinal
Size more meets ergonomics than portable further shortening, entire gravity motion of the invention to middle part of the invention,
Compared with portable, it is easier to manipulate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of Working head device；
Fig. 2 is overall structure diagram one of the invention；
Fig. 3 is overall structure diagram two of the invention, and wherein a6 is the connection for being connected with reversal valve hydraulic selector
Hole；
Fig. 4 is the structural schematic diagram of power oil pocket and oil circuit cooperation, and wherein p11 is hydraulic cylinder forward channel entrance, wherein
P22 is hydraulic cylinder backward channel entrance, and b7, b8, b9 are respectively the tie point of connector and oil outlet；
Fig. 5 is the front view of power oil pocket outlet end end face；
Fig. 6 is left view one of the invention, wherein d4 be main oil gallery fabrication hole I, d5 be oil pressure forward direction oil duct fabrication hole II,
D6 is that back oil road fabrication hole I, d7 are oil filler；
Fig. 7 is present hydraulic cylinder interface schematic diagram, and it is oil pressure that wherein d8, which is oil pressure forward direction oil duct fabrication hole III, d9,
Reversed oil duct fabrication hole I；
Fig. 8 is rearview one of the invention, and it is oil pressure reverse process that wherein d10, which is reversed oil duct fabrication hole II, the d11 of oil pressure,
Hole III；
Fig. 9 is top view one of the invention, and wherein d12 is fuel tank inlet, d13 is main oil gallery fabrication hole II；
Figure 10 is rearview two of the invention, and wherein d14 is hydraulic cylinder fixing screw hole；
Figure 11 is top view two of the invention, and wherein d17 is the reversed oil duct fabrication hole IV of oil pressure；
Figure 12 is left view two of the invention；
Figure 13 is sectional view along A-A in Figure 12.
Specific embodiment
Referring to attached drawing, a kind of oil channel structures of the U-shaped oil pressure pump pump housing, including the electricity for connecting motor 3 and fixed motor 3
Machine interface 13, the inner cavity of motor interface 13 are cylinder shape, and the motor interface 13 it is interior it is intracavitary be coaxially provided with for electricity
The connected power oil pocket 17 of the output shaft of machine 3, the side of 13 outer wall of motor interface be equipped with for hydraulic cylinder 8 is coaxial is connected
Hydraulic cylinder interface 12, the hydraulic cylinder interface 12 is in cylinder shape, and the central axes of the hydraulic cylinder interface 12 and the electricity
The central axes of machine interface 13 are perpendicular；
The other side of the motor interface 13 is equipped with connecting plate 11, the connecting plate be equipped with for reversal valve is hydraulic opens
Close 6 connected connectors 14, the connector 14 is in cylindrical shape, and the central axes of the connector 14 and the power oil pocket
17 central axes are perpendicular, and the inner face of connector 14 is fixed on the top of connecting plate 11, coaxial on the outer end face of connector 14
If there are five nipple orifice, and projection of five nipple orifices on the outer end face of connector 14 is in < shape, and the < shape
The central axes of symmetry axis and the power oil pocket 17 are perpendicular；Five nipple orifices are respectively that power oil pocket oil pressure pump portals
A1, positive oil pressure input hole a2, reversed oil pressure input hole a4, forward direction oil liquid oil return hole a3 and reversed oil liquid oil return hole a5；
The power oil pocket oil pressure pump portals at the cusp that a1 is located among < shape, and oil pocket oil pressure pump portals the import of a1
End is connected to by main oil gallery with power oil pocket 17, the power oil pocket oil pressure pump portal a1 outlet end for hydraulic with reversal valve
The reversal valve main oil gallery entrance p33 of switch 6 is connected；
The power oil pocket 17 is in hollow cylindrical shape, and the power oil pocket 17 is connected to fuel tank 2, the power oil pocket
17 outlet end end face is equipped with several oil outlets a11, and the oil outlet a11 by a connector and main oil gallery into
The connection of mouth end；
The forward direction oil pressure input hole a2 and the reversed oil pressure input hole a4 are located at the power oil pocket oil pressure pump
Portal the two sides of a1, and the input end alternating of the input end of the positive oil pressure input hole a2 and the reversed oil pressure input hole a4
Be connected to the oil inlet of the reversal valve hydraulic selector 6, and the outlet end of the positive oil pressure input hole a2 pass sequentially through it is described
Reversal valve forward direction oil duct junction p44, the oil pressure forward direction oil duct of reversal valve hydraulic selector 6 are hydraulic with 8 positive action of driving hydraulic cylinder
The connection of cylinder forward channel；The outlet end of the reversed oil pressure input hole a4 is anti-by the reversal valve of the reversal valve hydraulic selector 6
It is connected to oil duct junction p66, the reversed oil duct of oil pressure with the hydraulic cylinder backward channel of 6 counteragent of driving hydraulic cylinder；
The forward direction oil liquid oil return hole a3 is adjacent with forward direction oil pressure input hole a2, the reversed oil liquid oil return hole a5 and reversed
Oil pressure input hole a4 is adjacent；And the input end of the positive oil liquid oil return hole a3 and the input end of the reversed oil liquid oil return hole a5
Alternating is connected to the reversal valve fuel tank inlet p55 of the reversal valve hydraulic selector 6；And the outlet of the positive oil liquid oil return hole a3
End passes sequentially through reversal valve fuel tank inlet p55, fuel tank forward direction back oil road is connected to fuel tank 2, the reversed oil liquid oil return hole a5's
Outlet end passes sequentially through reversal valve fuel tank inlet p55, the reversed back oil road of fuel tank is connected to fuel tank 2；
Fuel tank 2, power oil pocket 17, connector, main oil gallery and power oil pocket oil pressure pump portal, and a1 is interconnected to constitute oil pressure
Form oil circuit, and portal a1, positive oil pressure input hole a2, reversed oil pressure input hole a4, positive oil liquid of power oil pocket oil pressure pump returns
There is following working condition between oilhole a3, reversed oil liquid oil return hole a5, reversal valve hydraulic selector 6 and hydraulic cylinder 8:
Positive working condition:
Oil pressure forms reversal valve forward direction oil duct junction p44, the oil of oil circuit, positive oil pressure input hole a2, reversal valve hydraulic selector 6
Positive pressure is sequentially communicated to form oil pressure forward direction oil circuit to oil duct and hydraulic cylinder forward channel, and the oil liquid with pressure is positive by oil pressure
Oil circuit enters hydraulic cylinder 8, the positive work of driving hydraulic cylinder 8；
The oil return opening of hydraulic cylinder 8, the reversal valve fuel tank inlet p55 of reversal valve hydraulic selector 6, positive oil liquid oil return hole a3,
Fuel tank forward direction oil duct, fuel tank 2 are sequentially communicated to form oil liquid forward direction return tank oiling channel oil, and oil liquid returns to fuel tank oil by oil liquid forward direction
Road flows back into fuel tank 2；
Reverse operation state: it is anti-that oil pressure forms oil circuit, reversed oil pressure input hole a4, the reversal valve of reversal valve hydraulic selector 6
It is sequentially communicated to form the reversed oil circuit of oil pressure to oil duct junction p66, the reversed oil duct of oil pressure and hydraulic cylinder backward channel, the oil with pressure
Liquid enters hydraulic cylinder, driving hydraulic cylinder reverse operation by the reversed oil circuit of oil pressure；
The oil return opening of hydraulic cylinder, the reversal valve fuel tank inlet p55 of reversal valve hydraulic selector 6, reversed oil liquid oil return hole a5, oil
The reversed back oil road of case, fuel tank 2, which are sequentially communicated, to be formed oil liquid and reversely returns to tank oiling channel oil, and oil liquid reversely returns to fuel tank oil by oil liquid
Road flows back into fuel tank 2.
Five nipple orifice spaced sets.
The oil outlet a11 of the 120 ° of settings in interval there are three being set on the outlet end end face of the power oil pocket 17, and three institutes
It is equal to state the distance between oil outlet a11 and the center of circle of outlet end end face of power oil pocket 17.
The shape of the connector is T-shaped, and three T-shaped endpoints are connected to three oil outlet a11 respectively,
It is connected at the main oil gallery and T-shaped node.
Main oil gallery is located at the center of ontology, and the oil pressure forward direction oil duct and the reversed oil duct of the oil pressure be located at it is described
The adjacent two sides of main oil gallery.
It is equipped in the power oil pocket 17 for providing hydraulic plunger device, the plunger device and driving plunger device
The motor 3 of movement is connected.
The connecting plate and top surface and the top surface of the hydraulic cylinder interface 12 are above the top surface of the motor interface 13, institute
It states connecting plate, motor interface 13 and hydraulic cylinder interface 12 and constitutes U-shaped.
The large circle e6 and small cylinder e7, large circle e6 matched with hydraulic cylinder 8 is provided in the hydraulic cylinder interface 12
It is coaxially disposed with small cylinder e7；It is outer close equipped with being offered outside stepped hole e5 and inner seal ring slot e2, large circle e6 in small cylinder e7
Seal slot e1；It is equipped with major thread ring e4 in hydraulic cylinder interface 12, and has opened up a fixed pin holes on major thread ring e4, it is described
Internal screw thread has been opened up in small cylinder e7.
The present invention can be used for a kind of Working head device, and the Working head device includes work head 10 and driving device, described
Work head 10 is connected with driving device, and the driving device includes hydraulic cylinder 8, output end (the i.e. piston rod of the hydraulic cylinder 8
9) it is connected with work head 10, the input terminal of the hydraulic cylinder 8 is connected with the pump housing 1, and the pump housing 1 is connected with reversal valve hydraulic selector
6, and the lower section of the pump housing 1 is equipped with fuel tank 2；The pump housing 1 includes ontology 11, and the right side of the ontology 11 is connected with motor 3, and electricity
Machine 3 uses direct current generator, and the motor 3 is fixed on the pump housing 1 by ring flange 5, and the output shaft of the motor 3 passes through deceleration
Device 4 is connected for providing hydraulic plunger device with being arranged in power oil pocket 17, and plunger device includes plunger, and motor 3 passes through
Attachment device drives piston reciprocation movement, to form the oil liquid with certain pressure.
The pump housing 1 is the core carrier of oil pump, completes the reasonable Arrangement of a plurality of oil circuit, and the oil circuit includes that oil pressure forms oil
Road, oil pressure forward direction oil circuit, the reversed oil circuit of oil pressure, oil liquid is just returning to tank oiling channel oil and oil liquid reversely returns to tank oiling channel oil.
The side of ontology 11 is provided with power oil pocket 17, is equipped with ball bearing, bias at the center in power oil pocket 17
The actuators such as wheel.And the outlet end end face of power oil pocket on opened up three oil outlet a11, the oil outlet a11 is column
Fill in inner fluid input hole.The reciprocating motion of plunger forms certain oil pressure, and converges to main oil gallery by T-shaped connector d
It is interior.Oil liquid with certain pressure is transported to reversal valve hydraulic selector 6 by main oil gallery, by cutting for reversal valve hydraulic selector 6
It changes, the oil liquid with certain oil pressure can be transported in hydraulic cylinder 8 by oil pressure forward direction oil circuit, and forward direction pushes the work of hydraulic cylinder 8
Plug and 9 generation of piston rod movement, to drive work head forward direction to work, and oil liquid returns to tank oiling channel oil back by oil liquid forward direction
Fuel tank 2；Hydraulic cylinder 8 can also be transported to by the reversed oil duct of oil pressure by the switching of reversal valve hydraulic selector 6, it is reversed to push
The piston of hydraulic cylinder 8 and 9 generation of piston rod movement, and oil liquid is transported to reversal valve hydraulic selector by positive oil circuit, by changing
Effect to valve hydraulic selector, oil liquid reversely return to tank oiling channel oil back fuel tank 2 by oil liquid.
The power oil is intracavitary to be provided with multiple feature structures, mainly includes three oil outlet a11, a fuel tank oil duct junction
A44, three screw hole a22, a positioning convex platform a33, three cylinder-shaped magnet mounting hole a66 and bearing mounting hole a55.
Three oil outlet a11, which circumferentially divide equally, to be distributed, i.e., two neighboring oil outlet a11 is circumferentially separated by
120 °, and when the pump housing is placed vertically, wherein there is an oil outlet a1 to be just distributed in through power oil pocket outlet end end face
On the horizontal line in the center of circle.In order to install plunger supporting plate, three screw hole a22, two neighboring screw have been opened up power oil is intracavitary
Circumferentially central angle angle is respectively 120 °, 62 °, 178 ° to hole a22, and each screw hole a22 is away from power oil pocket outlet end end
The center of circle in face is equidistant.
(being the state that the pump housing 1 is placed vertically in Fig. 3) when the pump housing 1 is placed vertically is defined, with going out for power oil pocket 17
The center of circle of mouth end end face is origin, and using the horizontal direction by the origin as horizontal axis, the vertical direction by the origin is
The longitudinal axis establishes coordinate system, then fuel tank oil duct junction a44 is provided in the second quadrant.The positioning convex platform a33 of plunger pallet is provided with
On outermost circumference in three quadrant.Cylindrical magnet mounting hole a66 is arranged on lesser circumference, cylinder-shaped magnet installation
Hole a66 is arranged alternately with oil outlet a11, and when the pump housing 1 is placed vertically, one of cylinder-shaped magnet mounting hole a66 is in logical
It crosses on the center line in the center of circle, the angle between two neighboring magnet mounting hole a66 is also 120 °, and magnet mounting hole a66 and dynamic
The distance in the center of circle of the outlet end end face of power oil pocket is equal.A ball is provided in the central axis direction of the power oil pocket
Bearing hole a55, in the operating condition, ball bearing hole a55 are used to assemble the ball bearing on eccentric shaft.Fuel tank oil duct junction a44
Apart from ball-bearing center hole location substantially 21.5mm.
In order to which related oil circuit is got through, and progress oil circuit switching at reversal valve hydraulic selector is guided to, the one of the pump housing 1
Side is provided with fuel tank inlet d12 and main oil gallery fabrication hole II d13, main oil gallery fabrication hole II d13 realize main oil gallery connection；In addition
Side is provided with the reversed oil duct fabrication hole IV of a fabrication hole oil pressure, realizes that back oil duct is penetrated through and altered course.
The 4th fabrication hole f4 is opened up on 1 top of the pump housing of hydraulic cylinder side, the 4th fabrication hole f4 realizes passing through for main oil gallery
Logical and changed course.The first fabrication hole f1, the second fabrication hole f2 and third fabrication hole have been opened up on reversal valve interface pump body position top
F3, the first fabrication hole f1 realize main oil gallery perforation and changed course, third fabrication hole f3 realize oil pressure forward direction oil duct perforation and
Changed course, the second fabrication hole f2 realize the perforation and changed course of fuel tank oil duct.
The reversed oil duct fabrication hole II d10 of oil pressure and the reversed oil duct fabrication hole III of oil pressure have been opened up in the lower part of the pump housing
D11, the reversed oil duct fabrication hole III d11 of oil pressure are positioned away from pump housing center, the reversed oil duct fabrication hole III d11 of oil pressure
It is to allow the oil liquid with certain pressure to converge on an oil duct, the reversed oil duct fabrication hole III d11 of oil pressure realizes oil
Press the perforation and changed course of reversed oil duct.The reversed oil duct fabrication hole II d10 of oil pressure also achieves the perforation of the reversed oil duct of oil pressure and changes
To.
Being provided with fuel tank inlet d12, main oil gallery fabrication hole II d13, main oil gallery fabrication hole II d13 in the side of the pump housing is
In order to allow the centre bore for flowing to hydraulic cylinder with certain pressure oil liquid, so that positive push hydraulic cylinder piston generation movement.Fuel tank
Entrance d12 is to allow the oil liquid after the switching of reversal valve forward direction to flow back to fuel tank.
The reversed oil duct fabrication hole IV d17 of oil pressure, the reversed oil duct fabrication hole IVd17 of oil pressure are provided in the other side of the pump housing
It is in order to allow the inclined hole for flowing to hydraulic cylinder with certain pressure oil liquid, so that back pushes hydraulic cylinder piston generation movement.It is worth
It is to be noted that hole d7 is oil filler, it is not fabrication hole.
Five oilholes are opened up at the reversal valve of the pump housing, five oilholes presentation is horizontally disposed, in order to reach this
It is kind horizontally disposed, the upper and lower part of pump housing reversal valve installation site opened up respectively the first fabrication hole f1, the second fabrication hole f2 and
The third fabrication hole f3 and reversed oil duct fabrication hole II d10 of oil pressure, by the ponding of bolt, thus the perpendicular of five oilholes
Straight trend is converted into being horizontally orientated to, in favor of being horizontally mounted for reversal valve hydraulic selector.
Power oil pocket oil pressure pump portals a1, positive oil pressure input hole a2, reversed oil pressure input hole a4, positive oil liquid oil return hole
A3 and reversed oil liquid oil return hole a5 is presented a kind of arrangement of < shape, and two neighboring oilhole is equidistant, and is in " < " shape cusp
The hole at place is that power oil pocket oil pressure pump portals a1, and the power oil pocket oil pressure pump oil duct where a1 that portals originates in power oil pocket
Plunger side oilhole, constantly moved back and forth by plunger and the effect of check valve continuously pump the oil with certain pressure
Liquid is acted on by the switching of reversal valve, so that the oil liquid with certain pressure is inputted in positive oil pressure input hole and back oil pressure
It is converted between hole, to realize oil pressure positive action or back movement, positive oil pressure input hole a2 in executing agency
It is located at power oil pocket oil pressure pump with reversed oil pressure input hole a4 to portal the two sides of a1.Meanwhile in positive implementation procedure, oil liquid stream
Through reversal valve hydraulic selector, tank oiling channel oil is then returned to by forward direction oil liquid oil return hole a3 and oil liquid forward direction and flows back into fuel tank；?
In back implementation procedure, oil liquid flows through reversal valve hydraulic selector, then passes through reversed oil pressure input hole a4 and reversely returns to fuel tank
Oil circuit flows back into fuel tank.It is further noted that forward direction oil liquid oil return hole a3 and reversed oil liquid oil return hole a5 are located at positive oil pressure
The side of input hole a2, reversed oil pressure input hole a4.
The lower section of 1 reversal valve hydraulic selector installation site of the pump housing is provided with the installation base 16 of a motor contact switch 7,
Two screw holes are opened up on the installation base 16, from longitudinal direction, installation base 16 is lower than reversal valve hydraulic selector
Installation base just contacted with the associated components of reversal valve hydraulic selector when motor contact switch 7 is installed on boss.
Four screw hole a9 are opened up on the end face of motor interface 13,4 assembly of retarder of motor passes through ring flange, spiral shell
Nail is connected with 1 bottom platform of the pump housing.
It is provided with positive pressure oil duct junction in hydraulic cylinder interface 12 (also known as execution oil pocket) interior center, deviates center
Place be provided with buffer brake oil duct junction, in hydraulic cylinder be provided with large circle e6 and small cylinder e7, realize hydraulic cylinder with it is hydraulic
The mutual cooperation of cylinder interface 12.The small cylinder e7 in the small cylinder is provided with stepped hole e5 and inner seal ring slot e2, in institute
Exterior seal ring slot e1 is opened up outside the large circle e6 stated.In order to be reliably achieved the installation of hydraulic cylinder 8, opened in hydraulic cylinder interface 12
If major thread ring e4, also opened up internal screw thread in the small cylinder e7, the internal screw thread of the small cylinder e7 with it is fuel-displaced
Bar is mutually threadedly engaged connection.When hydraulic cylinder 8 and the pump housing 1 assemble, the above structure can guarantee sealing effect well.
A fixed pin holes are opened up on major thread ring e4, when hydraulic cylinder 8 is under assembled state, on major thread ring e4
Pin locks hydraulic cylinder 8.It is arranged to counter sink e3 on five oil circuit holes of reversal valve interface, is mounted with O-shaped sealing above
Circle guarantees sealing effect.Consider that the excess stock of multiple features is cut off on the pump housing 1 from pump housing lightweight.
It has also opened up an inclined anti-loosing screw hole on hydraulic cylinder interface 12, when assembly, has been twisted in the hole of anti-loosing screw hole
A tight screw can fix the pump housing 1 and hydraulic cylinder 8, prevent the pump housing 1 and the screw thread of hydraulic cylinder 8 when work from loosening.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention covers those skilled in the art
Member according to the present invention design it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of oil channel structures of the U-shaped oil pressure pump pump housing, it is characterised in that: including the motor for connecting motor and fixed motor
Interface, the inner cavity of motor interface are cylinder shape, and the interior of the motor interface intracavitary is coaxially provided with for the output with motor
The connected power oil pocket of axis, the side of the motor interface outer wall are equipped with the hydraulic cylinder interface for being coaxially connected with hydraulic cylinder,
The hydraulic cylinder interface is in cylinder shape, and the central axes of the hydraulic cylinder interface and the central axes of the motor interface are mutually hung down
Directly；
The other side of the motor interface is equipped with connecting plate, and the connecting plate is equipped with for being connected with reversal valve hydraulic selector
Connector, the connector is in cylindrical shape, and the central axes of the connector and the central axes of the power oil pocket are perpendicular,
The inner face of connector is fixed on the top of connecting plate, and five nipple orifices, and five institutes are coaxially provided on the outer end face of connector
Projection of the nipple orifice on the outer end face of connector is stated in < shape, and the axis of the symmetry axis of the < shape and the power oil pocket
Line is perpendicular；Five nipple orifices are respectively that power oil pocket oil pressure pump portals, positive oil pressure input hole, reversed oil pressure input
Hole, positive oil liquid oil return hole and reversed oil liquid oil return hole；
At the cusp that the power oil pocket oil pressure pump portals among < shape, and the input end that oil pocket oil pressure pump portals passes through master
Oil duct is connected to power oil pocket, and the outlet end that the power oil pocket oil pressure pump portals is for the reversal valve with reversal valve hydraulic selector
Main oil gallery entrance is connected；
The power oil pocket is in hollow cylindrical shape, and the power oil pocket is connected to fuel tank, the outlet end of the power oil pocket
End face is equipped with several oil outlets, and the oil outlet is connected to by a connector with the input end of main oil gallery；
The forward direction oil pressure input hole and the reversed oil pressure input hole are located at the power oil pocket oil pressure pump portals two
Side, and the input end of the positive oil pressure input hole and the input end alternating of the reversed oil pressure input hole and the reversal valve liquid
The oil inlet connection to compress switch, and the outlet end of the positive oil pressure input hole passes sequentially through changing for the reversal valve hydraulic selector
It is connected to valve forward direction oil duct junction, oil pressure forward direction oil duct with the hydraulic cylinder forward channel of driving hydraulic cylinder positive action；It is described reversed
The outlet end of oil pressure input hole passes through the reversed oil duct junction of reversal valve of the reversal valve hydraulic selector, the reversed oil duct of oil pressure and driving
The hydraulic cylinder backward channel of hydraulic cylinder counteragent is connected to；
The forward direction oil liquid oil return hole is adjacent with positive oil pressure input hole, the reversed oil liquid oil return hole and reversed oil pressure input hole
It is adjacent；And the positive oil liquid oil return hole input end and the reversed oil liquid oil return hole input end alternately and the reversal valve
The reversal valve fuel tank inlet of hydraulic selector is connected to；And the outlet end of the positive oil liquid oil return hole passes sequentially through reversal valve fuel tank and enters
Mouthful, fuel tank forward direction back oil road be connected to fuel tank, the outlet end of the reversed oil liquid oil return hole pass sequentially through reversal valve fuel tank inlet,
The reversed back oil road of fuel tank is connected to fuel tank；
Fuel tank, power oil pocket, connector, main oil gallery and power oil pocket oil pressure pump, which portal to be interconnected, constitutes oil pressure formation oil circuit,
And power oil pocket oil pressure pump portals, positive oil pressure input hole, reversed oil pressure input hole, positive oil liquid oil return hole, reversed oil liquid time
There is following working condition between oilhole, reversal valve hydraulic selector and hydraulic cylinder:
Positive working condition:
Oil pressure forms oil circuit, positive oil pressure input hole, the reversal valve forward direction oil duct junction of reversal valve hydraulic selector, oil pressure forward direction oil duct
It is sequentially communicated to form oil pressure forward direction oil circuit with hydraulic cylinder forward channel, the oil liquid with pressure enters liquid by oil pressure forward direction oil circuit
Cylinder pressure, the work of driving hydraulic cylinder forward direction；
The oil return opening of hydraulic cylinder, the reversal valve fuel tank inlet of reversal valve hydraulic selector, positive oil liquid oil return hole, the positive oil of fuel tank
Road, fuel tank are sequentially communicated to form oil liquid forward direction return tank oiling channel oil, and oil liquid returns to tank oiling channel oil by oil liquid forward direction and flows back into oil
Case；
Reverse operation state: oil pressure forms the reversed oil duct of reversal valve of oil circuit, reversed oil pressure input hole, reversal valve hydraulic selector
Mouth, the reversed oil duct of oil pressure and hydraulic cylinder backward channel are sequentially communicated to form the reversed oil circuit of oil pressure, and the oil liquid with pressure is by oil
Reversed oil circuit is pressed to enter hydraulic cylinder, driving hydraulic cylinder reverse operation；
The oil return opening of hydraulic cylinder, the reversal valve fuel tank inlet of reversal valve hydraulic selector, reversed oil liquid oil return hole, the reversed oil return of fuel tank
Road, fuel tank, which are sequentially communicated, to be formed oil liquid and reversely returns to tank oiling channel oil, and oil liquid reversely returns to tank oiling channel oil by oil liquid and flows back into oil
Case.
2. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as described in claim 1, it is characterised in that: between five nipple orifices etc.
Away from setting.
3. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 2, it is characterised in that: the power oil pocket
The oil outlets of the 120 ° of settings in interval there are three being set on the end face of outlet end, and the outlet end end of three oil outlets and power oil pocket
The distance between the center of circle in face is equal.
4. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 3, it is characterised in that: the shape of the connector
Shape is T-shaped, and three T-shaped endpoints are connected to three oil outlets respectively, at the main oil gallery and T-shaped node
Connection.
5. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 4, it is characterised in that: main oil gallery is located at ontology
Center, and the oil pressure forward direction oil duct and the reversed oil duct of the oil pressure are located at the adjacent two sides of the main oil gallery.
6. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 5, it is characterised in that: the power oil is intracavitary
Equipped with for providing hydraulic plunger device, the plunger device is connected with the motor of driving plunger device movement.
7. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 6, it is characterised in that: the top of the connecting plate
Face and the top surface of the hydraulic cylinder interface are above the top surface of the motor interface, the connecting plate, motor interface and hydraulic cylinder
Interface constitutes U-shaped.
8. a kind of oil channel structures of the U-shaped oil pressure pump pump housing as claimed in claim 7, it is characterised in that: the hydraulic cylinder interface
It is interior to be coaxially disposed provided with the large circle and small cylinder that are matched with hydraulic cylinder, large circle and small cylinder；Rank is equipped in small cylinder
Terraced hole and inner seal ring slot, large circle offer exterior seal ring slot outside；Major thread ring, and major thread ring are equipped in hydraulic cylinder interface
On opened up a fixed pin holes, opened up internal screw thread in the small cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710664974.3A CN107401530B (en) | 2017-08-07 | 2017-08-07 | A kind of oil channel structures of the U-shaped oil pressure pump pump housing |
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| CN201710664974.3A CN107401530B (en) | 2017-08-07 | 2017-08-07 | A kind of oil channel structures of the U-shaped oil pressure pump pump housing |
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| CN107401530B true CN107401530B (en) | 2019-01-08 |
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| CN108248370B (en) * | 2018-02-09 | 2023-08-29 | 扬州华光新材料股份有限公司 | Oil tank oil filling pipe assembly and production method |
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| JP2001304205A (en) * | 2000-04-18 | 2001-10-31 | Kurimoto Ltd | Hydraulic cylinder unit |
| JP2002005117A (en) * | 2000-06-23 | 2002-01-09 | Taiyo Ltd | Hydraulic cylinder device |
| CN202883541U (en) * | 2012-10-31 | 2013-04-17 | 江苏省旭日液压设备有限公司 | Box integrated electric-hydraulic pusher |
| EP2746590A1 (en) * | 2012-12-19 | 2014-06-25 | Bucher Hydraulics S.p.A. | Power unit to move at least a hydraulic actuator |
| CN206257088U (en) * | 2016-12-13 | 2017-06-16 | 龙工（江西）机械有限公司 | Integral electric storage car jack up unit |
| CN207064382U (en) * | 2017-08-07 | 2018-03-02 | 浙江工业大学 | A kind of oil channel structures of the U-shaped oil pressure pump pump housing |
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2017
- 2017-08-07 CN CN201710664974.3A patent/CN107401530B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304205A (en) * | 2000-04-18 | 2001-10-31 | Kurimoto Ltd | Hydraulic cylinder unit |
| JP2002005117A (en) * | 2000-06-23 | 2002-01-09 | Taiyo Ltd | Hydraulic cylinder device |
| CN202883541U (en) * | 2012-10-31 | 2013-04-17 | 江苏省旭日液压设备有限公司 | Box integrated electric-hydraulic pusher |
| EP2746590A1 (en) * | 2012-12-19 | 2014-06-25 | Bucher Hydraulics S.p.A. | Power unit to move at least a hydraulic actuator |
| CN206257088U (en) * | 2016-12-13 | 2017-06-16 | 龙工（江西）机械有限公司 | Integral electric storage car jack up unit |
| CN207064382U (en) * | 2017-08-07 | 2018-03-02 | 浙江工业大学 | A kind of oil channel structures of the U-shaped oil pressure pump pump housing |
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| CN107401530A (en) | 2017-11-28 |
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Effective date of registration: 20230508 Address after: Room 1201, 12th Floor, Building 14, China Zhigu Fuchun Park, Yinhu Street, Fuyang District, Hangzhou City, Zhejiang Province, 311400 Patentee after: Hangzhou Tuopu Technology Co.,Ltd. Address before: 310014 Department of science and technology, Zhejiang University of technology, No. 18 Chao, Xiacheng District, Hangzhou, Zhejiang Patentee before: JIANG University OF TECHNOLOGY |