CN106762386A - A kind of small-sized installation dimension high pressure cycloid hydraulic motor - Google Patents
A kind of small-sized installation dimension high pressure cycloid hydraulic motor Download PDFInfo
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- CN106762386A CN106762386A CN201710040351.9A CN201710040351A CN106762386A CN 106762386 A CN106762386 A CN 106762386A CN 201710040351 A CN201710040351 A CN 201710040351A CN 106762386 A CN106762386 A CN 106762386A
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- body shell
- small
- high pressure
- hydraulic motor
- installation dimension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/08—Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to a kind of small-sized installation dimension high pressure cycloid hydraulic motor, belong to hydraulic transmission technology field.Small-sized installation dimension high pressure cycloid hydraulic motor of the invention mainly includes body shell, it is placed in the output axle construction in body shell, and turn stator it is secondary, with streaming system and bonnet, described body shell has Φ 82.55 or similar sizes seam disc size for connection, described body shell rear end is provided with connecting plate, described body shell front end endoporus is provided with rotary shaft sealing, and two cylinder roller bearings that can bear radial load and axial force are set before and after described body shell inner chamber.After the present invention, motor has and bears high pressure ability, and high reliability, force structure is simple and reliable, especially with small-sized installation dimension, with being more widely applied adaptability.
Description
Technical field
The present invention relates to the cycloid hydraulic motor that a kind of hydraulic energy is changed to mechanical energy, especially with bearing capacity knot high
A kind of small-sized installation dimension high pressure cycloid hydraulic motor of structure, belongs to hydraulic transmission technology field.
Background technology
Cycloid hydraulic motor is a kind of low-speed big torque motor, with small volume, specific power density big, efficiency high, is turned
The advantages of fast wide ranges, thus be widely applied, as the raising application of industrial and agricultural development level will be more extensive.
The main of cycloid hydraulic motor has axle flow and plane flow, and axle flow motor is matched somebody with somebody due to the diameter of axle with the duct in aperture
The axial flow distribution feature of intermittent motion is closed, its each faying face is plane, flat seal is directly carried out using O-ring；And plane
Flow turns the secondary radial dimension of stator greatly, discharge capacity due to the mutual flow feature in different sagittal plane ducts especially for 8/9 tooth
Coefficient is big, in order to ensure that sectional dimension is smaller, and is embedded in flow supporting plate in bonnet by motor configuration property compact to design, adopts
Two dual face seals of vertical direction are carried out with single O-ring.
According to the applicant understood, existing a large amount of plane flow motors are embedded in bonnet using flow supporting plate, using list
Individual O-ring carries out two dual face seals of vertical direction, and the O-ring seal positioning as described in file CN 2911341Y files is close
Seal apparatus, obtain very successful effectiveness, but its quality rigors to O-ring seal itself in the popularization and application in market
Very high, especially when application working condition is very severe, such as temperature is high, rotating speed is high, back pressure is high, operting differential pressure is big, and small part is also
Being possible to property can occur faying face and have an oil stain phenomenon probability, and using having, to form oil dripping bad existing in the long period for serious conditions
As the core part of this kind of structure motor is mainly 8/9 tooth and turns stator pair, and it is tetragonal structure to turn stator secondary, is big-and-middle-sized knot
The BMT model cycloid hydraulic motors of structure gerotor motor, such as applicant, its highest continuous pressure is less than 21MPa.
In order to adapt to the development and change of application field, high workload pressure difference, the height of big-and-middle-sized structure hydraulic motor are improved constantly
Output torque, high reliability are increasingly becoming the research topic for becoming more and more important, need in addition Φ 82.55 with SAE A type standards or
Similar sizes seam motor size for connection.However, existing big-and-middle-sized structure gerotor motor is due to the limitation of structure, it is impossible to enough very
Meet well the plunger pump system of high-end market and 30MPa or so direct drive application and energy saving, especially cannot
Meet the requirement of small size for connection.
The content of the invention
The technical problem to be solved in the present invention is：By to plane distributing construction cycloid hydraulic motor overall structure cloth
Office's research, proposes the technical scheme of the pressure level of big-and-middle-sized structure gerotor motor, and finds out the Φ of its SAE A type standard
82.55 or a kind of structure of similar sizes seam motor size for connection, it is proposed that a kind of compact conformation, stable movement are reliable, tool
There are bearing capacity structure high, the reliable cycloid hydraulic motor of high sealing, so as to meet the use demand of various new demands.
Primary and foremost purpose of the invention is：For the shortcoming that above-mentioned prior art is present, a kind of small-sized installation dimension is proposed
High pressure cycloid hydraulic motor, so that the innovation for passing through end face seal structure, it is ensured that the reliability of motor composition surface airtight quality, passes through
Innovation to the small installation dimension of motor and its output shaft load-carrying construction and bearing, lifting motor installation adaptability can with endurance
By property, by the enhancing of motor configuration intensity, the intensity of the body part of motor is lifted.
In order to reach above primary and foremost purpose, a kind of small-sized installation dimension high pressure cycloid hydraulic motor basic fundamental side of the present invention
Case is：Including with the body shell for installing mounting flange face, the output axle construction of the torque output being placed in body shell, and with institute
State body shell and stator pair, the bonnet with streaming system and fluid turnover motor inner chamber are turned using the connection that connecting bolt is connected；It is improved
Part is：Described body shell has the Φ 82.55 or similar sizes seam size for connection of SAE A type standards, described body shell
With positioning spigot disc is installed, described body shell rear end is provided with connecting plate, and described body shell front end endoporus is provided with rotation
Axle envelope, sets two bearings of support output shaft before and after described body shell inner chamber.
Described front and back bearings use cylinder roller bearing, and the cylinder roller bearing is by cylindrical roller and support frame group
Into the cylindrical roller of the cylinder roller bearing is resisted against on the output shaft shaft shoulder, and the support frame of the preceding cylinder roller bearing is supported
By on body shell mounting hole step, the support frame of the rear cylinder roller bearing is connected the end face of plate.
Above technical scheme is further improved：Described connecting plate is provided with outer drain tap, the outer drain tap with
Motor inner chamber is communicated, and the outer drain tap is linked up with the oil inlet and oil return opening of motor respectively by check valve.
Described connecting plate is provided with dish-shaped ring, and against output shaft end face, the other end is arranged on for described dish-shaped ring one end
In the stepped hole of connecting plate.
Above technical scheme is further improved：Local recessed step, institute are set at described body shell mounting flange
State disc at the minimum of flange face mutually to be passed through with recessed step surface, disc installs square with the bolt at body shell rear portion at the minimum
Cylindricality rounding is mutually passed through.
The hydraulic fluid port face shape rear end of the bonnet is local splayed, and front end is rectangular-shaped shape.
The flow supporting plate profile with the streaming system stator profile secondary with stator is turned is identical, the flow supporting plate two
End face exposes, and the flow supporting plate end face is connected with stator faces, and other end is connected with bonnet end face, and two contact surfaces are adopted
Flat seal is carried out with O-ring, two contact surfaces of described stator, flow supporting plate and bonnet are entered using two spacer pins
Row is spacing.
The sealing structure of the flow platen bearing capacity high with streaming system, the high-low pressure annular seal space of flow platen is by O
The additional low pressure side of type circle sets back-up ring, and the back-up ring is made of polytetrafluoroethylene (PTFE) material.
From above-mentioned, using the present invention after, can finally cause that plane distributing construction cycloid hydraulic motor has and bear
The ability of high pressure, reliability higher, the force structure of motor is simple and reliable, especially with the Φ of SAE A type standards
82.55 or a kind of structure of similar sizes seam motor size for connection, with being more widely applied adaptability.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Output shaft 1 in figure, dust ring 2, O-ring 3, axle envelope 4, cylinder roller bearing 5, body shell 6, O-ring 7, sealing gasket 8,
Plug 9, connecting plate 10, stator 11, pin tooth 12, rotor 13, flow supporting plate 14, sealing ring 15, valve plate 16, flow platen
17, oil port cover 18, bonnet 19, limited post 20, O-ring 21, back-up ring 22, connecting bolt 23, screw plug 24, sealing gasket 25, spring 26,
Pin 27, back-up ring 28, O-ring 29, steel ball 30, elastomer 31, flow universal driving shaft 32, spacer pin 33, dish-shaped ring 34, universal driving shaft 35.
Fig. 2 is the hydraulic fluid port face structural representation of one embodiment of the invention.
Fig. 3 is the structural representation of the installation seam of one embodiment of the invention.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carrying out reality premised on technical solution of the present invention
Apply, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
A kind of small-sized installation dimension high pressure cycloid hydraulic motor of the present invention is constituted as shown in Figure 1 substantially, and basic structure is used
A kind of cycloid hydraulic motor edge pillar for being based on 8/9 tooth turn stator pair, the cycloid turns that stator is secondary to have larger cross-section size,
Cubic appearance and size is 124 × 124 so that torque-transmitting mechanisms can be set with enough torque output capabilities, due to this
Invention for be pressure level motor, motor needs output moment of torsion higher, and cycloid hydraulic motor is due to rotor eccentricity fortune
Dynamic, its structure is very compact, and can allow that torque output part is slightly arrived using the larger cross-section structure of 8/9 tooth bears enough
High pulling torque.
A kind of small-sized installation dimension high pressure cycloid hydraulic motor of the present embodiment has load-carrying construction simple and reliable, installs fixed
Position seam size is small, such as structural representation embodiment illustrated in fig. 1 motor, including with the body shell 6 in mounting flange face is installed, disposes
The structure of output shaft 1 of the torque output in body shell 6, and turn fixed using the connection that connecting bolt 23 is connected with the body shell 6
Sub secondary, with streaming system and fluid turnover motor inner chamber bonnet 19；Described body shell 6 have SAE A type standards Φ 82.55 or
Similar sizes seam size for connection, described body shell 6 has installs positioning spigot disc, and the described rear end of body shell 6 is provided with company
Fishplate bar 10 is simultaneously resisted against the end face of connecting plate 10, and the described front end endoporus of body shell 6 is provided with rotary shaft sealing 4, the rotary shaft
4 pairs of rotating output shafts 1 of envelope carry out rotary dynamic seal, and two bearings of support output shaft 1 are set before and after the described inner chamber of body shell 6,
Described front and back bearings use cylinder roller bearing 5, and the cylinder roller bearing 5 is made up of cylindrical roller and support frame, described
The cylindrical roller of cylinder roller bearing 5 is arranged in the groove of the machining of support frame, and the cylinder roller bearing 5 can bear
Radial load and axial force, the structure can be very good to solve motor configuration compactness issue of the present invention, solve taper roll bearing
Because radial dimension is big, and the problem that SAE A types standard installs size for connection can not be set, the circle of the cylinder roller bearing 5
Post roller is resisted against on the shaft shoulder of output shaft 1, and the cylinder roller bearing 5 bears the radial load on output shaft and axial direction simultaneously
Power, the support frame of the preceding cylinder roller bearing 5 against on the mounting hole step of body shell 6, the support of the rear cylinder roller bearing 5
Frame is connected the end face of plate 10, and such cylinder roller bearing 5 will be transferred in body shell 6 and connecting plate 10 by capable.
Described connecting plate 10 is provided with outer drain tap, and the outer drain tap is communicated with motor inner chamber, the outer drain tap
Linked up by the oil inlet and oil return opening of check valve and motor, described check valve is by by steel ball 30, spring 26, screw plug 24, close
Packing 25 is constituted, and two described check valves set and cause that outer drain tap is communicated with the oil return opening of motor all the time, so as to protect
The rotary shaft sealing 4 of body shell 6.
Described connecting plate 10 is provided with dish-shaped ring 24, and the one end of the dish-shaped ring 24 is against the end face of output shaft 1, the other end
In the stepped hole of connecting plate 10, the dish-shaped ring 24 sets the oil circuit for motor inner chamber fluid is formed circulation, to zero
Part is lubricated, and takes away the subparticle of heat and inner chamber.
Local recessed step is set at the described mounting flange of body shell 6, and the female step causes motor and drive device
During installation, the fixing bolt in mounting flange face has the installing space of enough installing space and its fixing bolt head, described
Disc is mutually passed through with recessed step surface at the minimum of flange face, and disc is installed with the connecting bolt 23 at the rear portion of body shell 6 at the minimum
Square cylindricality rounding is obtained at position mutually to pass through.
The hydraulic fluid port face shape rear end of the bonnet 19 is local splayed, and front end is rectangular-shaped shape or similar square
Shape.
Flow supporting plate 14 profile of the motor with streaming system stator 11 profile secondary with stator is turned is identical, the flow
The both ends of the surface of supporting plate 14 expose, and the end face of flow supporting plate 14 is connected with the end face of stator 11, other end and the end of bonnet 19
Face is connected, and forms two flat contact surfaces, and two phase-contact surfaces carry out flat seal, described stator 11, flow branch using O-ring
Two contact surfaces of fagging 14 and bonnet 19 are carried out spacing using two spacer pins 33.
The sealing structure of flow platen 17 high bearing capacity of the motor with streaming system, the height densification of flow platen 17
Envelope chamber sets back-up ring 28,22 by O-ring 29,21 additional low pressure sides, and the back-up ring is made of polytetrafluoroethylene (PTFE) material.
Experiment proves, due to above-described embodiment take it is a series of it is effective improve corrective measure, therefore by hydraulic motor
Radial load ability to bear, pressure tolerance improve, and larger axial force can be born, especially body shell has
The Φ 82.55 or similar sizes seam size for connection of SAE A type standards, and its compact conformation, part processing, the technique of assembling
It is good.In addition to the implementation, the present invention can also have other embodiment, the change of the supporting construction of such as output shaft, body shell
Profile change, turn the secondary number of teeth of stator and change, etc..The technical scheme that all use equivalents or equivalent transformation are formed,
Fall in the protection domain of application claims.
Claims (9)
1. a kind of small-sized installation dimension high pressure cycloid hydraulic motor, including the body shell with installation mounting flange face, is placed in body
The output axle construction of the torque output in shell, and stator pair, flow are turned using the connection that connecting bolt is connected with the body shell
System and the bonnet of fluid turnover motor inner chamber；It is characterized in that：Described body shell have SAE A type standards Φ 82.55 or
Similar sizes seam size for connection, described body shell has installs positioning spigot disc, and described body shell rear end is provided with connection
Plate, described body shell front end endoporus is provided with rotary shaft sealing, and two axles of support output shaft are set before and after described body shell inner chamber
Hold.
2. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 1, it is characterised in that：Before described
Bearing uses cylinder roller bearing, the cylinder roller bearing to be made up of cylindrical roller and support frame afterwards, the cylindrical roller axle
The cylindrical roller for holding is resisted against on the output shaft shaft shoulder, and the support frame of the preceding cylinder roller bearing is against body shell mounting hole step
On, the support frame of the rear cylinder roller bearing is connected the end face of plate.
3. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 2, it is characterised in that：Described company
Fishplate bar is provided with outer drain tap, and the outer drain tap is communicated with motor inner chamber, the outer drain tap by check valve respectively with horse
The oil inlet and oil return opening for reaching are linked up.
4. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 3, it is characterised in that：Described company
Fishplate bar is provided with dish-shaped ring, and described dish-shaped ring one end is arranged in the stepped hole of connecting plate against output shaft end face, the other end.
5. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 4, it is characterised in that：Described body
Local recessed step is set at shell mounting flange, and disc is mutually passed through with recessed step surface at the minimum of the flange face, the minimum
Place's disc is installed square cylindricality rounding and is mutually passed through with the bolt at body shell rear portion.
6. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 5, it is characterised in that：The bonnet
Hydraulic fluid port face shape rear end be local splayed, front end is rectangular-shaped shape.
7. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 6, it is characterised in that：The flow
The flow supporting plate profile of the system stator profile secondary with stator is turned is identical, and the flow supporting plate both ends of the surface expose, described to match somebody with somebody
Stream supporting plate end face is connected with stator faces, and other end is connected with bonnet end face, and two contact surfaces are put down using O-ring
Face is sealed, and two contact surfaces of described stator, flow supporting plate and bonnet are carried out spacing using two spacer pins.
8. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 7, it is characterised in that：The flow
The sealing structure of the flow platen bearing capacity high of system, the high-low pressure annular seal space of flow platen is by the additional low pressure side of O-ring
Back-up ring is set.
9. a kind of small-sized installation dimension high pressure cycloid hydraulic motor according to claim 8, it is characterised in that：The back-up ring
It is made of polytetrafluoroethylene (PTFE) material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040351.9A CN106762386A (en) | 2017-01-17 | 2017-01-17 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
| PCT/CN2017/114922 WO2018103681A1 (en) | 2016-12-08 | 2017-12-07 | Cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040351.9A CN106762386A (en) | 2017-01-17 | 2017-01-17 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
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| Publication Number | Publication Date |
|---|---|
| CN106762386A true CN106762386A (en) | 2017-05-31 |
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ID=58944768
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710040351.9A Pending CN106762386A (en) | 2016-12-08 | 2017-01-17 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103681A1 (en) * | 2016-12-08 | 2018-06-14 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480972A (en) * | 1983-05-31 | 1984-11-06 | Eaton Corporation | Gerotor motor and case drain flow arrangement therefor |
| DE10356183A1 (en) * | 2002-12-03 | 2004-06-17 | S.A.M. Hydraulik S.P.A. | Hydrostatic motor has a number of freely rotating roller bearings located between the load-distribution housing, valve control and shaft |
| CN201121555Y (en) * | 2007-11-26 | 2008-09-24 | 镇江大力液压马达有限责任公司 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
| CN202381249U (en) * | 2011-12-22 | 2012-08-15 | 镇江大力液压马达有限责任公司 | Multi-drainage runner and oil port cycloid hydraulic motor |
| CN103629042A (en) * | 2013-11-20 | 2014-03-12 | 镇江大力液压马达股份有限公司 | Shaft valve flow distribution cycloid hydraulic motor |
| CN203856645U (en) * | 2013-12-14 | 2014-10-01 | 镇江大力液压马达股份有限公司 | Large-displacement cycloid hydraulic motor with embedded column type rotor and stator pair |
| CN104265320A (en) * | 2014-10-16 | 2015-01-07 | 山东天工岩土工程设备有限公司 | Core bag structure hobbing cutter, and use method as well as application thereof |
| CN206458557U (en) * | 2017-01-17 | 2017-09-01 | 镇江大力液压马达股份有限公司 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
-
2017
- 2017-01-17 CN CN201710040351.9A patent/CN106762386A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480972A (en) * | 1983-05-31 | 1984-11-06 | Eaton Corporation | Gerotor motor and case drain flow arrangement therefor |
| DE10356183A1 (en) * | 2002-12-03 | 2004-06-17 | S.A.M. Hydraulik S.P.A. | Hydrostatic motor has a number of freely rotating roller bearings located between the load-distribution housing, valve control and shaft |
| CN201121555Y (en) * | 2007-11-26 | 2008-09-24 | 镇江大力液压马达有限责任公司 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
| CN202381249U (en) * | 2011-12-22 | 2012-08-15 | 镇江大力液压马达有限责任公司 | Multi-drainage runner and oil port cycloid hydraulic motor |
| CN103629042A (en) * | 2013-11-20 | 2014-03-12 | 镇江大力液压马达股份有限公司 | Shaft valve flow distribution cycloid hydraulic motor |
| CN203856645U (en) * | 2013-12-14 | 2014-10-01 | 镇江大力液压马达股份有限公司 | Large-displacement cycloid hydraulic motor with embedded column type rotor and stator pair |
| CN104265320A (en) * | 2014-10-16 | 2015-01-07 | 山东天工岩土工程设备有限公司 | Core bag structure hobbing cutter, and use method as well as application thereof |
| CN206458557U (en) * | 2017-01-17 | 2017-09-01 | 镇江大力液压马达股份有限公司 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103681A1 (en) * | 2016-12-08 | 2018-06-14 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
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Application publication date: 20170531 |