CN206458557U - 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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- CN206458557U CN206458557U CN201720067769.4U CN201720067769U CN206458557U CN 206458557 U CN206458557 U CN 206458557U CN 201720067769 U CN201720067769 U CN 201720067769U CN 206458557 U CN206458557 U CN 206458557U
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Abstract
The utility model is related to a kind of small-sized installation dimension high pressure cycloid hydraulic motor, belongs to hydraulic transmission technology field.Small-sized installation dimension high pressure cycloid hydraulic motor of the present utility model mainly includes body shell, it is placed in the output axle construction in body shell, and turn stator pair, 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, setting two can bear the cylinder roller bearing of radial load and axial force before and after described body shell front end endoporus is provided with rotary shaft sealing, described body shell inner chamber.After the utility model, motor, which has, 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 utility model is related to the cycloid hydraulic motor that a kind of hydraulic energy is changed to mechanical energy, especially with high pressure-bearing energy
A kind of small-sized installation dimension high pressure cycloid hydraulic motor of power 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 scope is wide, thus be widely applied, with industrial and agricultural development level improves application will be more extensive.
Cycloid hydraulic motor mainly has axle flow and plane flow, and axle flow motor matched somebody with somebody due to the duct in the diameter of axle and 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 flow supporting plate is embedded in bonnet by motor configuration property compact to design, adopted
The dual face seals of two 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 the dual face seals of two vertical direction, and the O-ring seal positioning as described in file CN 2911341Y files is close
Seal apparatus, obtains 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
Faying face, which can occur, for being possible to property 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 that 8/9 tooth turns stator pair, and it is tetragonal structure to turn stator pair, 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 become 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 very
The direct drive application of the plunger pump system of high-end market and 30MPa or so is met well and the energy is saved, and especially can not
Meet the requirement of small size for connection.
The content of the invention
The technical problems to be solved in the utility model is：By to integrally being tied with plane distributing construction cycloid hydraulic motor
Structure layout 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 high bearing capacity structure, 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 present utility model is：The shortcoming existed for above-mentioned prior art, proposes a kind of small-sized installation
Size high voltage cycloid hydraulic motor, so that the innovation for passing through end face seal structure, it is ensured that motor composition surface airtight quality it is reliable,
By the innovation to the small installation dimension of motor and its output shaft load-carrying construction and bearing, lifting motor installs adaptability and endurance
Reliability, pass through the enhancing of motor configuration intensity, lifted motor body part intensity.
In order to reach above primary and foremost purpose, a kind of small-sized basic skill of installation dimension high pressure cycloid hydraulic motor of the utility model
Art scheme is：Including with the body shell for installing mounting flange face, the output axle construction for the torque output being placed in body shell, and
The connection being connected with the body shell using connecting bolt turns stator pair, the bonnet with streaming system and fluid turnover motor inner chamber；Its
The improvement is that：Described body shell has the Φ 82.55 or similar sizes seam size for connection of SAE A type standards, described
Body shell, which has, installs positioning spigot disc, and described body shell rear end is provided with connecting plate, and described body shell front end endoporus is provided with
Two bearings of support output shaft are set before and after rotary shaft sealing, 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 oil inlet and oil return opening of the outer drain tap by check valve respectively with motor are linked up.
Described connecting plate is provided with dish-shaped ring, and described dish-shaped ring one end is against output shaft end face, and the other end is arranged on
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 pass through with recessed step surface, disc and the bolt at body shell rear portion install square 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 turning stator is identical, the flow supporting plate two
End face is exposed, 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
Carry out flat seal 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 high bearing capacity of flow platen 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, after the utility model, finally plane distributing construction cycloid hydraulic motor can be had
The ability of high pressure is born, higher reliability, the force structure of motor is simple and reliable, especially with SAE A type standards
Φ 82.55 or similar sizes seam motor size for connection a kind of structure, with being more widely applied adaptability.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model one embodiment.
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 the utility model one embodiment.
Fig. 3 is the structural representation of the installation seam of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Carry and being implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model is not limited to down
The embodiment stated.
A kind of small-sized installation dimension high pressure cycloid hydraulic motor of the utility model is constituted as shown in Figure 1 substantially, basic structure
A kind of cycloid hydraulic motor edge pillar based on 8/9 tooth used turns stator pair, and the cycloid, which turns stator pair, has larger cross-section
Size, cubic appearance and size is 124 × 124 so that torque-transmitting mechanisms can be set with enough torque output capabilities, by
It is pressure level motor in of the present utility model be directed to, motor needs to export higher moment of torsion, and cycloid hydraulic motor is due to turning
Sub- eccentric motion, its structure is very compact, using the larger cross-section structure of 8/9 tooth torque output part can be allowd slightly to arrive
High pulling torque is born enough.
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 for installing mounting flange face, placement
The structure of output shaft 1 of torque output in body shell 6, and the connection being connected with the body shell 6 using connecting bolt 23 turn to determine
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, which has, installs positioning spigot disc, and the described rear end of body shell 6 is provided with company
Fishplate bar 10 and the end face for being resisted against connecting plate 10, the described front end endoporus of body shell 6 are provided with rotary shaft sealing 4, the rotary shaft
4 pairs of rotating output shafts 1 of envelope carry out setting two bearings for supporting output shaft 1 before and after rotary dynamic seal, 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 be born
Radial load and axial force, the structure can be very good to solve the utility model motor configuration compactness issue, solve taper roller
Bearing is big due to radial dimension, and can not set the problem of SAE A types standard installation size for connection, the cylinder roller bearing 5
Cylindrical roller be resisted against on the shaft shoulder of output shaft 1, the cylinder roller bearing 5 bears radial load and axle on output shaft simultaneously
Xiang Li, the support frame of the preceding cylinder roller bearing 5 is against on the mounting hole step of body shell 6, the branch of the rear cylinder roller bearing 5
Support 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, which are set, causes outer drain tap to be communicated all the time with the oil return opening of motor, 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 described one end of 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 causing the formation circulation of motor inner chamber fluid, to zero
Part is lubricated, and takes away heat and the subparticle of 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 enough installing space and its installing space on fixing bolt head, described
Disc is mutually passed through with recessed step surface at the minimum of flange face, and disc and the connecting bolt 23 at the rear portion of body shell 6 are installed 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 turning stator is identical, the flow
The both ends of the surface of supporting plate 14 are exposed, 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
Seal chamber and back-up ring 28,22 is set by O-ring 29,21 additional low pressure sides, 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 improves, and can bear larger axial force, especially body shell and have
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 utility model can also have an other embodiment, the change of the supporting construction of such as output shaft,
The profile of body shell changes, and turns secondary number of teeth change of stator, etc..All use equivalent substitutions or the technical side of equivalent transformation formation
Case, all falls within the protection domain of the utility model requirement..
Claims (9)
1. a kind of small-sized installation dimension high pressure cycloid hydraulic motor, including with the body shell for installing mounting flange face, it is placed in body
The output axle construction of torque output in shell, and the connection being connected with the body shell using connecting bolt turn stator pair, flow
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, which has, installs positioning spigot disc, and described body shell rear end is provided with connection
Plate, described body shell front end endoporus sets two axles for supporting output shaft before and after being provided with rotary shaft sealing, 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 afterwards, and the cylinder roller bearing is made up of cylindrical roller and support frame, the cylindrical roller axle
The cylindrical roller held 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 reached is 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
Disc at local recessed step, the minimum of the flange face is set mutually to be passed through with recessed step surface at shell mounting flange, the minimum
Place's disc and the bolt at body shell rear portion are installed square cylindricality rounding and mutually passed through.
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 turning stator is identical, and the flow supporting plate both ends of the surface are exposed, 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 high bearing capacity of flow platen 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067769.4U CN206458557U (en) | 2017-01-17 | 2017-01-17 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067769.4U CN206458557U (en) | 2017-01-17 | 2017-01-17 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
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| CN206458557U true CN206458557U (en) | 2017-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762386A (en) * | 2017-01-17 | 2017-05-31 | 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 |
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2017
- 2017-01-17 CN CN201720067769.4U patent/CN206458557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762386A (en) * | 2017-01-17 | 2017-05-31 | 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 |
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