CN206319993U - A kind of high-speed distributing cycloid hydraulic motor - Google Patents
A kind of high-speed distributing cycloid hydraulic motor Download PDFInfo
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- CN206319993U CN206319993U CN201621363095.4U CN201621363095U CN206319993U CN 206319993 U CN206319993 U CN 206319993U CN 201621363095 U CN201621363095 U CN 201621363095U CN 206319993 U CN206319993 U CN 206319993U
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- protecgulum
- body shell
- hydraulic motor
- mounting hole
- cycloid hydraulic
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Abstract
The utility model is related to a kind of high-speed distributing cycloid hydraulic motor, belongs to hydraulic transmission technology field.Cycloid hydraulic motor of the present utility model mainly includes body shell, output axle construction, and its body shell is connected using connecting bolt will turn that stator is secondary, connected as one with streaming system and bonnet, body shell, which has, installs positioning spigot and there is provided protecgulum, part screw socket cap mounting hole is respectively provided with protecgulum and body shell, protecgulum is cylindrical to coordinate spacing with body shell interporal lacuna, one end of protecgulum is plane, installs O-ring seals and carries out cavity sealing.After the utility model, the problem of fixing structure is compact is solved, it is ensured that the effective thickness of seam, and substantially reduce the requirement on machining accuracy of protecgulum, while improving the alternative that the reliability of product, maintainability, assembling and its bearing are set.
Description
Technical field
The utility model is related to the cycloid hydraulic motor that a kind of hydraulic energy is changed to mechanical energy, is especially supported with protecgulum
A kind of high-speed distributing cycloid hydraulic motor of structure, belongs to hydraulic transmission technology field.
Background technology
Cycloid hydraulic motor is conventional fluid pressure drive device, is a kind of low-speed big torque motor, with small volume, unit
Power density is big, efficiency high, the wide range of speeds the advantages of, be widely applied, and with industrial and agricultural development level is improved should
With will be more extensive.
The basic structure of such device be body shell or after cover and be formed with inlet and refluxing opening, one end is nibbled equipped with cycloidal-pin wheel
Secondary and flow-distribution mechanism is closed, flow-distribution mechanism can be placed on before or after cycloidal pinion engaged pair, typically preceding（Body shell side）For axle
Flat valve, rear（Bonnet side）For plane flow, the other end is equipped with output shaft.The rotor of cycloidal pinion engaged pair passes through interior flower
Key is engaged with the external gear of universal driving shaft one end, and the other end of universal driving shaft is connected with output shaft transmission.During work, flow-distribution mechanism make into
Liquid mouth engages chamber connection with the extension of cycloidal pin wheel set, and the contraction chamber of cycloidal pin wheel set is connected with refluxing opening.As a result, pressure
Liquid enters after body shell or bonnet from inlet, and chamber is engaged in the extension into cycloidal pinion engaged pair formation, makes its volume continuous
Expand, while liquid then flows back from refluxing opening in the contraction engagement chamber of cycloidal pinion engaged pair formation；In the process, cycloidal pin
The rotor of wheel Meshing Pair is expanded engagement chamber drives rotation with the pressure differential that chamber is engaged in contraction, and this rotation is passed through into universal driving shaft biography
Output shaft output is delivered to, so as to realize conversion of the hydraulic energy to mechanical energy.At the same time, flow-distribution mechanism is also driven by universal driving shaft and revolved
Turn, the continuous switching connected state gone round and begun again enables transfer process to continue.So, motor just can be continuously defeated
Go out moment of torsion, it may be said that cycloidal pinion engaged pair and flow-distribution mechanism are the cores of hydraulic motor.
According to the applicant understood, the high-speed distributing cycloid hydraulic motor of prior art uses monoblock type mounting flange knot substantially
Structure, such as notification number CN203685462U Chinese patent literature is the integrated wheel mounting flange of the typical seams of Φ 82.55
Structure, the seams of Φ 82.55 from typical SAE A type standards are only that mounting surface is different, and its radial structure is compact, using entirety
Formula mounting flange, and cause rotation skeleton axle envelope fitting depth it is too big, front axle bearing bore is deeper, cause motor processing, assembling and its
Maintenance replacing etc. is inconvenient.
The content of the invention
The technical problems to be solved in the utility model is：By to there is SAE A type standards with cycloid hydraulic motor
The seams of Φ 82.55 integral structure layout research, especially will install seam use have front-cover structure, overcome it is existing before
Lid excircle orientation seam installs the weak link that circle is increased with the axiality control numerical value of output shaft, is keeping existing installation dimension
On the premise of, a kind of compact conformation, the reliable cycloid hydraulic motor with front-cover structure of positional precision control are proposed, to meet
The requirement of customer demand.
The purpose of this utility model is：The shortcoming existed for above-mentioned prior art, proposes a kind of high-speed distributing cycloid
Hydraulic motor, so that by the innovation of protecgulum and its sealing structure, colleague improves motor output shaft and its bearing, before lifting has
The positional precision of lid seam motor, the reliability of sealing, the maintenanceability of skeleton axle envelope strengthen the assembling of bearing with that can repair
Property, reduce processing technology of Motor Components etc..
In order to reach object above, a kind of high-speed distributing cycloid hydraulic motor basic technical scheme of the utility model is：Bag
The body shell with mounting flange face is included, the output axle construction for the torque output being placed in body shell, and used with the body shell
What connecting bolt was connected turns stator pair, runner and bonnet with streaming system and fluid turnover motor inner chamber；It is theed improvement is that：
The body shell, which has, installs positioning spigot, is provided with protecgulum in the seam of the body shell, the protecgulum is provided with rotary shaft sealing, institute
State protecgulum to be fixed together with body shell using screw, there is part screw socket cap mounting hole, described body on described protecgulum
There is part screw socket cap mounting hole, the socket cap mounting hole of the screw is total to by the mounting hole on protecgulum and in body shell on shell
With formation.
Above technical scheme is further improved：The protecgulum is cylindrical to coordinate spacing, the protecgulum with body shell interporal lacuna
One end be plane, the plane is fixed together by screw with body shell, and the plane passes through end ring and plane bearing
Against the shaft shoulder of output shaft, axial limiting is carried out；The body shell outer end of hole sets an annular distance, and the annular distance is formed with protecgulum plane
One towards inner chamber cavity and sealing ring is installed, install O-ring seals carry out cavity sealing.
Above technical scheme is further improved：The rotary shaft sealing set between the protecgulum and output shaft is skeleton
Front and back bearings are set on axle envelope, the output shaft shaft shoulder, and the front and back bearings use the needle bearing of identical installation dimension, described
Fore bearing is located at output shaft internal spline position, the bearing hole that described front and back bearings are set before and after being arranged in body shell, the axle
Bearing bore is provided with front and rear needle bearing spacing hole.
Compared with the gerotor motor of prior art, the positioning spigot of motor is body after above-mentioned improved structure of the present utility model
A part for shell, high precision, intensity are reliable, and the socket cap mounting hole of the part screw in body shell seam, which is set, cleverly to be solved
The problem of fixing structure is compact, it is ensured that the effective thickness of seam, and the requirement on machining accuracy of protecgulum is substantially reduced, improve simultaneously
The alternative that the reliability of product, maintainability, assembling and its bearing are set.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the motor configuration schematic diagram of the utility model embodiment.
Output shaft 1 in figure, flat key 2, dust ring 3, axle envelope 4, O-ring 5, protecgulum 6, O-ring 7, screw 8, plane bearing 9,
Body shell 10, plug 11, rear needle bearing 12, flow supporting plate 13, sealing ring 14, connecting bolt 15, balance plate 16, steel ball 17,
Sealing ring 18, bonnet 19, rotor 20, pin tooth 21, stator 22, sealing ring 23, plane bearing 24, universal driving shaft 25, preceding needle bearing
26, end ring 27.
Fig. 2 is one mounting surface schematic diagram of front-cover structure of the utility model embodiment.
Fig. 3 is another mounting surface schematic diagram of the front-cover structure of the utility model embodiment.
Fig. 4 is the protecgulum screw hole structure schematic diagram of the utility model 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 high-speed distributing cycloid hydraulic motor of the utility model constitute substantially it is shown in Figure 1, with reference to above-mentioned Fig. 1 implement
Example, is carried out detailed further below again to the utility model.A kind of high-speed distributing cycloid hydraulic motor of the present embodiment has SAE A
The Φ 82.55 of type standard installs seam, and basic structure includes being provided with the body shell 10 with mounting flange face, the body shell 10
The structure of output shaft 1 of torque output, the body shell 10 turns stator pair, with streaming system and bonnet 19 using what connecting bolt 15 was connected
Connect as one, and the cavity that the runner formation that fluid is passed in and out into motor inner chamber is closed；The front end of the body shell 10 has motor
The flange face of installation and its installation positioning spigot of motor, i.e. Φ 82.55 installs seam or the installation close to the sizes of Φ 82.55 stops
Mouthful, a part of the seam as body shell 10 is installed, it is ensured that the positional precision and seam intensity of seam；Meanwhile, the body
Protecgulum 6 is provided with the seam of shell 10, the protecgulum 6 is provided with rotary shaft sealing 4, and the protecgulum 6 is consolidated using screw 8 with body shell 10
It is connected as a single entity, having on described protecgulum 6 also has part screw 8 in the socket cap mounting hole of part screw 8, described body shell 10
Socket cap mounting hole, the socket cap mounting hole of the screw 8 is collectively forming by the mounting hole on protecgulum 6 and in body shell 10.
As shown in figure 1, the rotary shaft sealing 5 set between the protecgulum 6 and output shaft 1 is skeleton axle envelope, the output shaft 1
The shaft shoulder on front and back bearings are set, the front and back bearings use the preceding needle bearing 26 and rear needle bearing of identical installation dimension
12, the length of the preceding needle bearing 26 is more than the length of rear needle bearing 12, and the preceding needle bearing 26 is located at output shaft 1
Setting internal spline position, the bearing hole that described front and back bearings are set before and after being arranged in body shell 10, the bearing hole sets
The spacing aperture of front and rear needle bearing is put, preceding needle bearing 26 and rear needle bearing 12 are pacified from the both direction of body shell 10 respectively
Dress so that output shaft 1 can be installed from the front end of body shell 10 when motor is installed, can also be installed from the rear end of body shell 10.
The body shell interporal lacuna of the cylindrical and body shell 10 of the protecgulum 6 coordinates spacing, and one end of the protecgulum 6 is set to put down
Face, the plane of the protecgulum 6 is fixed together by screw 8 with body shell 10, and the plane passes through end ring 27 and plane axis
Hold 9 against output shaft 1 the shaft shoulder, carry out axial limiting；The body shell outer end of hole sets an annular distance, the annular distance and protecgulum plane
One is formed towards the cavity inside motor, the interior O-ring seals 7 of installing of cavity carry out cavity sealing, and the O-ring seals 7 are just
Against the periphery of end ring 27, the O-ring seals 7 are sealed to motor internal cavity.
As shown in Fig. 2 the mounting hole of the socket cap of the screw 8 is the local mounting hole of socket cap and body shell by protecgulum 6
The local mounting hole of socket cap on 10 seam ends is collectively constituted, and the local mounting hole of the socket cap on the seam end of body shell 10 is only to be
The socket cap installing space of screw 8, the socket cap of screw 8 is resisted against on the local mounting hole of the socket cap of protecgulum 6 and and body shell
10 are fixed with one；The local mounting hole of the socket cap of described protecgulum 6 is used as shown in Fig. 4 protecgulum screw hole structure schematic diagrames
It is milled into, local mounting hole is that odd number is uniform, such as local mounting hole is that 7 deciles are uniform, local mounting hole can be used for 9
Decile is uniformly replaced, and the local mounting hole of socket cap of the protecgulum 6 exceedes the half of mounting hole needed for socket cap, the protecgulum 6
Socket cap the mounting hole that hole face exceedes screw 9 is locally installed, contribute to the installation of screw 8 reliable.
As shown in figure 3, the mounting hole of the socket cap of screw 4 is that even number is uniform, such as local mounting hole is that 6 deciles are uniform, such as
Local mounting hole is uniformly replaced for 8 deciles.
Experiment is proved, is stopped because the Φ 82.55 that above-described embodiment very cleverly solves traditional SAE A type standards is installed
Mouthful or the sizes of Φ 82.55 nonstandard installation seam use protecgulum excircle orientation and the problem of bring, and which simplify motor knot
Structure, enhances the assembling capacity and its maintenanceability of motor.In addition to the implementation, the utility model can also have other implementations
Mode, such as traditional improvement of use protecgulum excircle orientation of axle distributing cycloid hydraulic motor, etc..All use equivalents
Or the technical scheme of equivalent transformation formation, all fall within the protection domain of the utility model requirement.
Claims (10)
1. a kind of high-speed distributing cycloid hydraulic motor, main to include the body shell with mounting flange face, the torsion in body shell is placed in
The output axle construction of square output, and using turning of being connected of connecting bolt, stator is secondary, enter with streaming system and fluid with the body shell
Go into action up to the runner and bonnet of inner chamber；It is characterized in that：The body shell has to install to be set in positioning spigot, the seam of the body shell
Protecgulum is put, the protecgulum is provided with rotary shaft sealing, and the protecgulum is fixed together using screw with body shell, on described protecgulum
With part screw socket cap mounting hole, there is part screw socket cap mounting hole, the cylinder of the screw in described body shell
Head mounting hole is collectively forming by the mounting hole on protecgulum and in body shell.
2. a kind of high-speed distributing cycloid hydraulic motor according to claim 1, it is characterised in that：The protecgulum is cylindrical and body
Housing hole gap coordinates spacing, and one end of the protecgulum is plane, and the plane is fixed together by screw with body shell, described flat
Face by end ring and plane bearing against output shaft the shaft shoulder.
3. a kind of high-speed distributing cycloid hydraulic motor according to claim 2, it is characterised in that：The body shell outer end of hole is set
Put an annular distance, the annular distance with protecgulum plane formation one is towards the cavity of inner chamber and installs sealing ring, the sealing ring is O shapes
Sealing ring.
4. a kind of high-speed distributing cycloid hydraulic motor according to claim 3, it is characterised in that：The annular distance is located at output
End ring periphery position at the shaft shoulder of axle.
5. a kind of high-speed distributing cycloid hydraulic motor according to claim 4, it is characterised in that：On the output shaft shaft shoulder
Front and back bearings are set, and the front and back bearings use the needle bearing of identical installation dimension, and the fore bearing is located at flower in output shaft
Key position, the bearing hole that described front and back bearings are set before and after being arranged in body shell, the bearing hole is provided with front and rear needle roller axle
Hold spacing hole.
6. a kind of high-speed distributing cycloid hydraulic motor according to claim 5, it is characterised in that：The socket cap of the protecgulum
Local mounting hole exceedes the half of mounting hole needed for socket cap.
7. a kind of high-speed distributing cycloid hydraulic motor according to claim 6, it is characterised in that：The socket cap of the protecgulum
It is local that the mounting hole that hole face exceedes screw is installed.
8. a kind of high-speed distributing cycloid hydraulic motor according to claim 7, it is characterised in that：The socket cap of the protecgulum
Local mounting hole is used and is milled into.
9. a kind of high-speed distributing cycloid hydraulic motor according to claim 8, it is characterised in that：The cylinder of the screw 4
The mounting hole of head is uniform for decile odd number.
10. a kind of high-speed distributing cycloid hydraulic motor according to claim 9, it is characterised in that：The cylinder of the screw 4
The mounting hole of head is uniform for 7 deciles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363095.4U CN206319993U (en) | 2016-12-13 | 2016-12-13 | A kind of high-speed distributing cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363095.4U CN206319993U (en) | 2016-12-13 | 2016-12-13 | A kind of high-speed distributing cycloid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319993U true CN206319993U (en) | 2017-07-11 |
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ID=59267750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621363095.4U Active CN206319993U (en) | 2016-12-13 | 2016-12-13 | A kind of high-speed distributing cycloid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523264A (en) * | 2016-12-13 | 2017-03-22 | 镇江大力液压马达股份有限公司 | High-speed flow allocation cycloid hydraulic motor |
| WO2018108038A1 (en) * | 2016-12-13 | 2018-06-21 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor and method for manufacturing distribution support plate thereof |
-
2016
- 2016-12-13 CN CN201621363095.4U patent/CN206319993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523264A (en) * | 2016-12-13 | 2017-03-22 | 镇江大力液压马达股份有限公司 | High-speed flow allocation cycloid hydraulic motor |
| WO2018108038A1 (en) * | 2016-12-13 | 2018-06-21 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor and method for manufacturing distribution support plate thereof |
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