CN108488067A - A kind of hydraulic machinery - Google Patents

A kind of hydraulic machinery Download PDF

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Publication number
CN108488067A
CN108488067A CN201810292359.9A CN201810292359A CN108488067A CN 108488067 A CN108488067 A CN 108488067A CN 201810292359 A CN201810292359 A CN 201810292359A CN 108488067 A CN108488067 A CN 108488067A
Authority
CN
China
Prior art keywords
shell
gear
hose
drive shaft
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810292359.9A
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Chinese (zh)
Inventor
张桂菊
肖才远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoyang University
Original Assignee
Shaoyang University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaoyang University filed Critical Shaoyang University
Priority to CN201810292359.9A priority Critical patent/CN108488067A/en
Publication of CN108488067A publication Critical patent/CN108488067A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008Enclosed motor pump units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003Sealing arrangements in rotary-piston machines or pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064Arrangements 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/103Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

The invention discloses a kind of hydraulic machinery, including shell, drive shaft, commutation portion and gear part, the gear part includes the gear set of the gear of the gear ring and external tooth with internal tooth;The commutation portion includes rotary slide valve and valve plate;The drive shaft is supported on by means of first axis bearing and the second cod in shell, and second cod includes the first rotary disk and the second rotary disk;The lip ring is arranged in the annular groove of setting on the housing;It is provided with inlet union in the flange of the shell, outlet connection is equipped with by the inlet union;The shell side is equipped with fuel tank, it is respectively equipped with oil inlet and oil outlet in the fuel tank, the oil inlet and oil outlet are connect with outlet connection and inlet union by hose respectively, and the hose is equipped with hose coupling with oil inlet, oil outlet, outlet connection and inlet union junction.Reasonable design of the present invention, easy to operate, required space is small, saves manufacturing cost.

Description

A kind of hydraulic machinery
Technical field
The present invention relates to field of industrial machinery, specifically a kind of hydraulic machinery.
Background technology
Hydraulic machinery is the equipment that can be worked by fluid and tool.The common appearance in jumbo, this kind of In equipment, hydraulic oil is sent to the executing agency in equipment by hydraulic pump with very high pressure.And hydraulic pump is by engine Or electrical motor driven.Hydraulic oil is controlled to obtain required pressure or flow by manipulating various hydraulic control valves.With Traditional Sheet Metal Forming Technology is compared, Hydroform process mitigate weight, reduce number of parts and number of molds, improve rigidity with it is strong Degree, reduction production cost etc. have apparent technology and economic advantages, are obtained in industrial circle especially auto industry More and more applications.Space needed for various hydraulic control valves is larger inside most of hydraulic machinery at present, increases liquid The overall structure of press, not only weight and volume increase are not easy to staff's carrying, and the cost of hydraulic machinery are caused to increase Height, and that there is also service lifes is low, the high problem of resource consumption is unfavorable for actually using.
Invention content
The purpose of the present invention is to provide a kind of hydraulic machineries, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of hydraulic machinery, including shell, drive shaft, commutation portion and gear part, the gear part include the gear ring for having internal tooth With the gear set of the gear of external tooth, the gear ring and gear are intermeshed and are formed working chamber, and the gear part is closed by lid, The lid is maintained at by means of the screw being circular layout in shell;The working chamber is connected at least one import via commutation portion Connector and at least one outlet connection;The commutation portion includes rotary slide valve and valve plate, and the rotary slide valve is located at the interior of shell Portion;The drive shaft is supported on by means of first axis bearing and the second cod in shell, and second axial axis is contracted Include the first rotary disk and the second rotary disk;The sealing element is arranged between shell and drive shaft;The lip ring is kept In the annular groove of shell, between shell and drive shaft;Inlet union is provided in the flange of the shell, and via axis It is connected to annular chamber to hole, is equipped with outlet connection by the inlet union, the outlet connection, which is connected to, is formed in shell and drive Outer annular between moving axis;The shell side is equipped with fuel tank, and oil inlet and oil outlet are respectively equipped in the fuel tank, described Oil inlet and oil outlet are connect with outlet connection and inlet union by hose respectively, and the hose and oil inlet, go out oil outlet Mouth connector and inlet union junction are equipped with hose coupling;There are groove, the inner cavities of groove to be socketed with for the hose coupling outer wall The outer wall of sealing ring, the sealing ring is evenly arranged with annular seal fin;The outer wall of the hose coupling is socketed with clip, card The outer wall of hoop is evenly arranged with hex nut, and the thread in inner cavity of the hex nut is connected with threaded rod, and the lower end of threaded rod is passed through It wears the outer wall of clip and is bonded with the outer wall of the sealing ring;The outer wall of the sealing ring is provided with to be flexibly connected with threaded rod Convex body, the quantity of threaded rod is no less than two, and threaded rod is uniformly distributed in the outer wall of clip;A left side for the hose coupling Side is socketed with the first hose, and the second hose is socketed on the right side of hose coupling, and first hose, the second hose are connected to recessed Between slot and sealing ring, the left and right sides of hose coupling is socketed with locking strap, and the inner wall of groove is provided with and annular seal The corresponding endless groove of fin.
As a further solution of the present invention:The lip ring has valve plate region and the areas shell side region Liang Ge Domain, shell side region are made of rubber elastic material, and valve plate region is made of polytetrafluoroethylene (PTFE) (PTFE);The shell side region Positioned at trench bottom.
As further scheme of the invention:The lip ring has axial prestress, and lip ring is not It pivotally keeps in the housing.
As further scheme of the invention:Lip ring will be connected to the region of inlet union in the annular groove It is separated with the region for being connected to outlet connection.
As further scheme of the invention:The rotary slide valve is not maintained in drive shaft pivotally.
As further scheme of the invention:First passage and second channel are offered inside the drive shaft, it is described Drive shaft is pivotally connected to gear via turning joint.
As further scheme of the invention:The fuel tank is flexible fuel tank, is arranged at the oil inlet in the fuel tank There is filter.
As further scheme of the invention:The drive shaft input terminal is connected with motor, the motor and computer Control system connects, and the motor is AC servo motor.
As further scheme of the invention:The shell other side is equipped with battery case, is equipped with and stores in the battery case Battery pack and power interface.
Compared with prior art, the beneficial effects of the invention are as follows:It is soft that the present invention equipped with hose coupling further promotes this The sealing performance of pipe fitting, prevents oil leak from economizing on resources.The opposite low friction of lip ring of the present invention and low abrasion region are leaned on It leans against on rotary slide valve, extends the service life of hydraulic machinery, at the same time, shell side region also ensures lip ring Abundant compactness.Hydraulic oil can be transported to rotary slide valve by channel, be used to supply and be discharged needed for hydraulic fluid in shell Space is reduced by channel is arranged in drive shaft, and the required space for hydraulic machinery can be further reduced, and be dropped simultaneously Low production cost.The present invention is worn in order to avoid the rigidity of fuel tank, and fuel tank is flexible fuel tank, effectively raises its use Service life enhances the durability of hydraulic machinery, and is equipped with AC servo motor, and AC servo motor speed and torque are by calculating Machine control system is controlled, and fluid flow and pressure can be adjusted arbitrarily in a certain range, realizes real-time control, is equipped with and is stored Battery pack uses rechargeable storage battery to power for motor.The present invention reduces the overall structures of hydraulic machinery, reduce machinery Volume and weight, convenient for staff carry so that hydraulic machinery can flexibly apply to outdoor study, expand hydraulic machinery Practical ranges.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of fuel tank and flange portion in the present invention.
Fig. 3 is the structural schematic diagram of hose coupling in the present invention.
Fig. 4 is the structural schematic diagram of the sealing ring of hose coupling in the present invention.
Fig. 5 is the structural schematic diagram of lip ring in the present invention.
In figure:1- motors;2- fuel tanks;3- battery cases;4- drive shafts;5- articulated shafts;6- is covered;7- screws;8- batteries; 9- first axis bearings;The first rotary disks of 10-;The second cods of 11-;The second rotary disks of 12-;13- sealing elements;14- filterings Device;15- hoses;16- hose couplings;17- threaded rods;18- hex nuts;19- clips;The first hoses of 20-;The second hoses of 21-; 22- sealing rings;23- annular grooves;24- grooves;25- annular seal fins;26- flanges;27- gears;28- shells;29- gear rings; 30- valve plates region;31- shell side regions;32- second channels;33- first passages;34- rotary slide valves;35- lip rings; 36- internal toroidal cavities;37- outer annular chambers;38- valve plates;39- annular chambers;40- outlet connections;41- inlet unions;42- oil inlets Mouthful;43- oil outlets.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~5, a kind of hydraulic machinery, including shell 28, drive shaft 4, commutation portion and gear part, the gear Portion includes the gear set of the gear 27 of the gear ring 29 and external tooth with internal tooth, and the gear ring 29 and gear 27 are intermeshed and are formed Working chamber, the gear part are closed by lid 6, and the lid 6 is maintained at by means of the screw 7 being circular layout in shell 28, described Screw 7 keeps gear ring 29 and valve plate 38 between shell 28, valve plate 38, gear ring 29 and lid 6, and relative motion will not occur;It is described Working chamber is connected at least one inlet union 41 and at least one outlet connection 40 via commutation portion;The commutation portion includes back Turn guiding valve 34 and valve plate 38, the rotary slide valve 34 is located at the inside of shell 28, so that shell 28 and commutation portion are overlapped; The drive shaft 4 is supported on by means of first axis bearing 9 and the second cod 11 in shell 28, second cod 11 include the first rotary disk 10 and the second rotary disk 12, via the second cod 11, axial direction of the drive shaft 4 relative to shell 28 Movement is prevented from;The sealing element 13 is arranged between shell 28 and drive shaft 4, for relatively extraneous sealing;The annular is close Sealing 35 is maintained in the annular groove 23 of shell 28, between shell 28 and drive shaft 4, while the position of lip ring 35 Gap can be provided in radial directions, therefore lip ring 35 radially inside is moved in groove 24;The shell 28 It is provided with inlet union 41 in flange 26, and annular chamber 39 is connected to via axial hole, 41 side of the inlet union is equipped with outlet Connector 40, the outlet connection 40 are connected to the outer annular being formed between shell 28 and drive shaft 4;28 side of the shell Equipped with fuel tank 2, be respectively equipped with oil inlet 42 and oil outlet 43 in the fuel tank 2, the oil inlet 42 and oil outlet 43 respectively with Outlet connection 40 and inlet union 41 are connected by hose 15, the hose 15 and oil inlet 42, oil outlet 43, outlet connection 40 It is equipped with hose coupling 16 with 41 junction of inlet union, there are groove 24, the inner cavities of groove 24 to cover for 16 outer wall of the hose coupling It is connected to sealing ring 22, the outer wall of the sealing ring 22 is evenly arranged with annular seal fin 25, groove 24 and sealing ring 22 is arranged, The contact area for increasing hose 15 and 16 surface of hose coupling plays the role of enhancing sealing performance and protects hose 15, institute The outer wall for stating hose coupling 16 is socketed with clip 19, and the outer wall of clip 19 is evenly arranged with hex nut 18, the hex nut 18 thread in inner cavity is connected with threaded rod 17, and the outer wall of clip 19, and the lower end of threaded rod 17 are run through in the lower end of threaded rod 17 It is bonded with the outer wall of the sealing ring 22, the outer wall of the sealing ring 22 is provided with the convex body being flexibly connected with threaded rod 17, spiral shell The quantity of rasp bar 17 is no less than two, and threaded rod 17 is uniformly distributed in the outer wall of clip 19, the left side set of hose coupling 16 It is connected to the first hose 15, the right side of hose coupling 16 is socketed with the second hose 15, and the first hose 15, the second hose 15 are connected to Between groove 24 and sealing ring 22, the left and right sides of hose coupling 16 is socketed with locking strap, and the inner wall of groove 24 is provided with Two hoses 15 are socketed in hose and connect by endless groove corresponding with annular seal fin 25 when using the hose coupling 16 First 16 outer wall, screw thread bar 17, you can two hoses 15 are closely fitted in the outer wall of hose coupling 16, reach connection With the effect of sealing, while it being socketed with locking strap in the outer wall of hose coupling 16, further promotes the close of the hose coupling 16 Sealing property prevents oil leak cost-effective.
Further, lip ring 35 of the present invention has 31 two regions in valve plate region 30 and shell side region, Shell side region 31 is made of rubber elastic material, and valve plate region 30 is made of polytetrafluoroethylene (PTFE) (PTFE), therefore, the two areas Domain has different characteristics;The shell side region 31 is located at trench bottom, the opposite low friction and low abrasion of lip ring 35 Region rests on rotary slide valve 34, extends the service life of hydraulic machinery, and at the same time, shell side region 31 also ensures ring The abundant compactness of shape sealing element 35.
Further, lip ring 35 of the present invention has axial prestress, the elasticity of the lip ring 35 Characteristic is also in no application or apply low operating pressure when for being pressed against valve plate 38 by rotary slide valve 34 is axial In this way, ensuring simultaneously abundant close between shell 28 and rotary slide valve 34.The lip ring 35 is not kept pivotally In shell 28, relative to shell 28, lip ring 35 does not have relative motion, therefore lip ring 35 can be relatively closely It is maintained in shell 28, only the surface contact Rotating guiding valve 34 of lip ring 35, and is provided with low friction and lost material.
Further, lip ring 35 will be connected to region and the company of inlet union 41 in annular groove 23 of the present invention The region for being connected to outlet connection 40 separates, and depends on the direction of rotation of hydraulic machinery, the side of lip ring 35 or another Side is acted on by the increased pressure of hydraulic oil, and the hydraulic oil with low pressure acts on the other side.
Further, rotary slide valve 34 of the present invention is not maintained at pivotally in drive shaft 4, and the realization of drive shaft 4 carries For the purpose of required torque, rotary slide valve 34 is non-rotatably secured in drive shaft 4, it is ensured that correct working chamber connects respectively It is connected to inlet union 41 or outlet connection 40.
Further, first passage 33 and second channel 32 are offered inside drive shaft 4 of the present invention, hydraulic oil can lead to It crosses first passage 33 and is transferred to rotary slide valve 34, it can be by outer annular chamber 37 and first passage 33 to reach internal toroidal cavities 36, and it is directed into corresponding working chamber between gear 27 and gear ring 29 by means of rotary slide valve 34 and valve plate 38 from this, it borrows Help 32 fluid of second channel pressure is applied on lip ring 35 from inner radial.The drive shaft 4 is closed via activity Nodal axisn 5 is connected to gear 27, and the gear 27 is supported for the orbital motion in gear ring 29, and the channel will be formed in shell Outer annular chamber 37 between 28 and drive shaft 4 is connected to the internal toroidal cavities being formed between drive shaft 4 and articulated shaft 5 36。
Further, fuel tank 2 of the present invention is flexible fuel tank, and filtering is provided at the oil inlet 42 in the fuel tank 2 Device 14 effectively raises its service life, enhances the durability of hydraulic machinery in order to avoid the rigidity abrasion of fuel tank 2.
Further, 4 input terminal of drive shaft of the present invention is connected with motor 1, the motor 1 and computer control system Connection, the motor 1 are AC servo motor, and AC servo motor speed and torque are controlled by computer control system, Hydraulic machinery output flow is directly proportional to 1 rotating speed of motor;Oil pressure is directly proportional to 1 torque of motor, and fluid flow and pressure can be with It is arbitrary in a certain range to adjust, realize real-time control.
Further, 28 other side of shell of the present invention is equipped with battery case 3, and 8 groups of accumulator is equipped in the battery case 3 And power interface, use rechargeable storage battery 8 to power for motor 1 so that hydraulic machinery can flexibly apply to outdoor study, open up The practical ranges of hydraulic press are opened up.
The present invention operation principle be:
Drive shaft 4 is driven to rotate by motor 1, drive shaft 4 realizes the purpose for providing required torque, causes gear 27 along gear ring 29 Interior track movement, and working chamber is sequentially expanded and shrinks, thus, hydraulic oil is inhaled by inlet union 41, and is passed through Outlet connection 40 is discharged, and single working chamber is configured to inlet union 41 or outlet connection 40 according to 27 position of gear, by valve Plate 38 and rotary slide valve 34 predefine.The present invention is provided with fuel tank 2, and in order to avoid the rigidity abrasion of fuel tank 2, fuel tank 2 be flexible fuel tank, effectively raises its service life, enhances the durability of hydraulic machinery, and equipped with AC servo electricity Machine, AC servo motor speed and torque are controlled by computer control system, hydraulic machinery output flow and 1 rotating speed of motor Directly proportional, oil pressure is directly proportional to 1 torque of motor, and fluid flow and pressure can be adjusted arbitrarily in a certain range, realizes real When control, be equipped with 8 groups of accumulator, use rechargeable storage battery 8 be motor 1 power supply so that hydraulic machinery can flexibly apply to The practical ranges of hydraulic press have been expanded in outdoor study, and the present invention is equipped with hose coupling 16, are using the hose coupling 16 When, two hoses 15 are socketed in the outer wall of hose coupling 16, screw thread bar 17, you can be closely bonded two hoses 15 In the outer wall of hose coupling 16, achieve the effect that connection and sealing, while locking strap is socketed in the outer wall of hose coupling 16, into The sealing performance of the promotion of the one step hose coupling 16, prevents oil leak cost-effective.Lip ring 35 of the present invention will be connected to The region of inlet union 41 and the region for being connected to outlet connection 40 separate, and depend on the direction of rotation of hydraulic machinery, annular The side or the other side of sealing element 35 are acted on by the increased pressure of hydraulic oil, and the hydraulic oil with low pressure acts on another Side, thus, depend on direction of rotation, pressure to be acted on along radial inward or radially on lip ring 35, annular groove The position in the offer gap of the lip ring 35 in 23, it is ensured that pressure acts on the relatively large table of lip ring 35 On face.This makes the relatively large deformation of lip ring 35 or relatively large active force be passed back to via lip ring 35 Turn guiding valve 34, so that rotary slide valve 34 is reliably pressed against on valve plate 38.The opposite low friction and low abrasion of lip ring 35 Region rests on rotary slide valve 34, extends the service life of hydraulic machinery, and at the same time, shell side region 31 also ensures ring The abundant compactness of shape sealing element 35.The radial deformation of the lip ring 35 and displacement increase the surface of rotary slide valve 34, Effect has hydraulic fluid pressure thereon, and rotary slide valve 34 is pressed against on valve plate 38 by increased active force, and hydraulic oil passes through logical Road can be transported to rotary slide valve 34, be used to supplying and being discharged the space needed for hydraulic fluid in shell 28, by drive shaft 4 Channel is set and is reduced, the required space for hydraulic machinery can be further reduced, and reduce production cost, reduce production Cost.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (9)

1. a kind of hydraulic machinery, including shell(28), drive shaft(4), commutation portion and gear part, it is characterised in that:The gear Portion includes the gear ring for having internal tooth(29)With the gear of external tooth(27)Gear set, the gear ring(29)And gear(27)Mutually nibble Merging forms working chamber, and the gear part is by covering(6)It is closed, the lid(6)By means of the screw being circular layout(7)It is maintained at Shell(28)It is interior;The working chamber is connected at least one inlet union via commutation portion(41)With at least one outlet connection (40);The commutation portion includes rotary slide valve(34)And valve plate(38), the rotary slide valve(34)Positioned at shell(28)Inside; The drive shaft(4)By means of first axis bearing(9)With the second cod(11)It is supported on shell(28)It is interior, described second Cod(11)Including the first rotary disk(10)With the second rotary disk(12);The sealing element(13)It is arranged in shell(28)With Drive shaft(4)Between;The lip ring(35)It is maintained at shell(28)Annular groove(23)In, it is located at shell(28)And drive Moving axis(4)Between;The shell(28)Flange(26)Inside it is provided with inlet union(41), and it is connected to annular via axial hole Chamber(39), the inlet union(41)Side is equipped with outlet connection(40), the outlet connection(40)It is connected to and is formed in shell (28)And drive shaft(4)Between outer annular;The shell(28)Side is equipped with fuel tank(2), the fuel tank(2)Inside set respectively There is oil inlet(42)And oil outlet(43), the oil inlet(42)And oil outlet(43)Respectively with outlet connection(40)It is connect with import Head(41)Pass through hose(15)Connection, the hose(15)With oil inlet(42), oil outlet(43), outlet connection(40)And import Connector(41)Junction is equipped with hose coupling(16);The hose coupling(16)There are grooves for outer wall(24), groove(24)It is interior Chamber is socketed with sealing ring(22), the sealing ring(22)Outer wall be evenly arranged with annular seal fin(25);The hose connects Head(16)Outer wall be socketed with clip(19), clip(19)Outer wall be evenly arranged with hex nut(18), the hex nut (18)Thread in inner cavity be connected with threaded rod(17), threaded rod(17)Lower end run through clip(19)Outer wall and with it is described close Seal ring(22)Outer wall fitting;The sealing ring(22)Outer wall be provided with and threaded rod(17)The convex body of flexible connection, screw thread Bar(17)Quantity be no less than two, and threaded rod(17)In clip(19)Outer wall be uniformly distributed;The hose coupling (16)Left side be socketed with the first hose(15), hose coupling(16)Right side be socketed with the second hose(15), described first is soft Pipe(15), the second hose(15)It is connected to groove(24)With sealing ring(22)Between, hose coupling(16)The left and right sides it is equal It is socketed with locking strap, and groove(24)Inner wall be provided with and annular seal fin(25)Corresponding endless groove.
2. hydraulic machinery according to claim 1, it is characterised in that:The lip ring(35)With valve plate region (30)With shell side region(31)Two regions, shell side region(31)It is made of rubber elastic material, valve plate region(30)By Polytetrafluoroethylene (PTFE) (PTFE) is made;The shell side region(31)Positioned at trench bottom.
3. hydraulic machinery according to claim 2, it is characterised in that:The lip ring(35)It is answered in advance with axial Power, and lip ring(35)It is not maintained at shell pivotally(28)In.
4. hydraulic machinery according to claim 1, it is characterised in that:The annular groove(23)Middle lip ring(35)It will It is connected to inlet union(41)Region and be connected to outlet connection(40)Region separate.
5. hydraulic machinery according to claim 1, it is characterised in that:The rotary slide valve(34)It is not maintained at pivotally Drive shaft(4)On.
6. hydraulic machinery according to claim 5, it is characterised in that:The drive shaft(4)Inside offers first passage (33)And second channel(32), the drive shaft(4)Via articulated shaft(5)It is connected to gear(27).
7. hydraulic machinery according to claim 1, it is characterised in that:The fuel tank(2)For flexible fuel tank, the fuel tank (2)Interior oil inlet(42)Place is provided with filter(14).
8. hydraulic machinery according to claim 1, it is characterised in that:The drive shaft(4)Input terminal is connected with motor (1), the motor(1)It is connect with computer control system, the motor(1)For AC servo motor.
9. hydraulic machinery according to claim 1, it is characterised in that:The shell(28)The other side is equipped with battery case(3), The battery case(3)It is interior to be equipped with accumulator(8)Group and power interface.
CN201810292359.9A 2018-04-03 2018-04-03 A kind of hydraulic machinery Pending CN108488067A (en)

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CN201810292359.9A CN108488067A (en) 2018-04-03 2018-04-03 A kind of hydraulic machinery

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Application Number Priority Date Filing Date Title
CN201810292359.9A CN108488067A (en) 2018-04-03 2018-04-03 A kind of hydraulic machinery

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CN108488067A true CN108488067A (en) 2018-09-04

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6679692B1 (en) * 2002-07-12 2004-01-20 James J. Feuling Oil pump
CN101900109A (en) * 2008-12-17 2010-12-01 索尔-丹佛斯公司 Hydraulic machine
CN205716152U (en) * 2016-04-19 2016-11-23 陈友根 A kind of hydraulic machinery hose coupling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6679692B1 (en) * 2002-07-12 2004-01-20 James J. Feuling Oil pump
CN101900109A (en) * 2008-12-17 2010-12-01 索尔-丹佛斯公司 Hydraulic machine
CN205716152U (en) * 2016-04-19 2016-11-23 陈友根 A kind of hydraulic machinery hose coupling

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