CN206319994U - A kind of cycloid hydraulic motor - Google Patents
A kind of cycloid hydraulic motor Download PDFInfo
- Publication number
- CN206319994U CN206319994U CN201621363001.3U CN201621363001U CN206319994U CN 206319994 U CN206319994 U CN 206319994U CN 201621363001 U CN201621363001 U CN 201621363001U CN 206319994 U CN206319994 U CN 206319994U
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- China
- Prior art keywords
- body shell
- protecgulum
- hydraulic motor
- socket cap
- cycloid hydraulic
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Abstract
The utility model is related to a kind of cycloid hydraulic motor, belongs to hydraulic transmission technology field.Cycloid hydraulic motor of the present utility model mainly includes the body shell in mounting flange face, output axle construction has been disposed in the body shell, the body shell is connected using connecting bolt will turn stator pair, be connected as one with streaming system and bonnet, the body shell installs positioning spigot and is provided with protecgulum, there is part screw socket cap mounting hole on described protecgulum, also there is part screw socket cap mounting hole in described body shell, the socket cap mounting hole of screw is collectively forming.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 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 cycloid hydraulic motor [such as axle flow] of prior art is used substantially has front-cover structure, this
The seams of Φ 82.55 of kind typical SAE A type standards, radial structure is compact, and protecgulum is pacified on protecgulum as the positioning spigot of motor
Dress rotation skeleton axle envelope, and using the connected mounting flange face of screw, this structure causes the superposition of at least 2 times of positioning spigot,
The axiality control numerical value for making seam install circle and output shaft is increased, and is unfavorable for the stress of motor, is influenceed the performance of product.Due to
The deficiencies in the prior art so that high speed flow motor（A kind of particular plane flow motor）Due to the adverse effect of front-cover structure,
Using monoblock type mounting flange, and cause rotation skeleton axle envelope fitting depth too big, inconvenience etc. is changed in maintenance.
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 especially have front-cover structure gerotor motor research, find out its seam install circle
The weak link increased with the axiality control numerical value of output shaft, on the premise of existing installation dimension is kept, proposes a kind of knot
Structure is compact, the reliable cycloid hydraulic motor with front-cover structure of positional precision control, with the requirement met customer need.
The purpose of this utility model is：The shortcoming existed for above-mentioned prior art, proposes a kind of cycloid hydraulic motor,
So as to pass through the innovation of protecgulum and its sealing structure, positional precision of the lifting with protecgulum seam motor, the reliability of sealing, bone
The maintenanceability of frame axle envelope, strengthens assembling and the maintenanceability of bearing, reduces processing technology of Motor Components etc..
In order to reach object above, a kind of cycloid hydraulic motor basic technical scheme of the utility model is：Including with peace
The body shell of flange face, the output axle construction for the torque output being placed in body shell are filled, and connecting bolt is used with the body shell
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
Protecgulum is provided with installing in positioning spigot, the seam of the body shell, the protecgulum is provided with rotary shaft sealing, and the protecgulum is adopted
It is fixed together with screw with body shell, having on described protecgulum in part screw socket cap mounting hole, described body shell has
Part screw socket cap mounting hole, the socket cap mounting hole of the screw is collectively forming by the mounting hole on protecgulum and in body shell.
Above technical scheme is further improved：One end of the protecgulum for protrusion step, one end of step against
Fore bearing on output shaft, the step disc carries out gap with body shell hole and coordinates one annular groove of setting in positioning, the body shell hole,
Annular groove installs O-ring seals.
Above technical scheme is further improved：The rotary shaft sealing set between the protecgulum and output shaft is skeleton
Axle envelope, the fore bearing uses cylinder roller bearing, and the cylinder roller bearing is made up of cylindrical roller and support frame, the circle
Post roller is arranged in the groove of the machining of support frame.
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, screw 4, axle envelope 5, protecgulum 6, O-ring 7, cylinder roller bearing 8, body shell
9, plug 10, needle bearing 11, flow supporting plate 12, stator 13, rotor 14, pin tooth 15, connecting bolt 16, sealing ring 17, steel
Ball 18, balance plate 19, bonnet 20, sealing ring 21, plane bearing 22, sealing ring 23, universal driving shaft 24, limited block 25, plane bearing
26, back-up 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 cycloid hydraulic motor of the utility model constitute substantially it is shown in Figure 1, with reference to above-mentioned Fig. 1 embodiments, to this
Utility model carries out detailed further below again.A kind of cycloid hydraulic motor of the present embodiment has the Φ 82.55 of SAE A type standards
Seam is installed, basic structure includes having disposed the output shaft 1 of torque output in the body shell 9 with mounting flange face, the body shell 9
Structure, the body shell 9 is connected using connecting bolt 16 and will turn that stator is secondary, connected as one with streaming system and bonnet 20, and by oil
The cavity of the runner formation closing of liquid turnover motor inner chamber.The front end of the body shell 9 has flange face and its horse of motor installation
The installation positioning spigot reached, i.e. Φ 82.55 install seam or the installation seam close to the sizes of Φ 82.55, install seam and are used as body
A part for shell, it is ensured that the positional precision and seam intensity of seam；Meanwhile, before being provided with the seam of the body shell 9
Lid 6, the protecgulum 6 is provided with rotary shaft sealing 5, and the protecgulum 6 is fixed with one using screw 4 with body shell 9, described protecgulum 6
It is upper to have in the socket cap mounting hole of part screw 4, described body shell 9 also with the socket cap mounting hole of part screw 4, the screw
4 socket cap mounting hole is collectively forming by the mounting hole on protecgulum 6 and in body shell 9.
As shown in Fig. 2 the mounting hole of the socket cap of screw 4 is the local mounting hole of socket cap and the seam of body shell 9 by protecgulum 6
The local mounting hole of socket cap on end is collectively constituted, and the local mounting hole of the socket cap on the seam end of body shell 9 is used for the purpose of screw 4
Socket cap installing space, the socket cap of screw 4, which is resisted against on the local mounting hole of the socket cap of protecgulum 6 and is connected with body shell 9, is
One；The local mounting hole of the socket cap of described protecgulum 6 is as shown in Fig. 4 protecgulum screw hole structure schematic diagrames, using Milling Process
Form, local mounting hole is that even number is uniform, such as local mounting hole is that 8 deciles are uniform, or 6 deciles are uniformly replaced, the protecgulum 6
Socket cap part mounting hole exceedes the half of mounting hole needed for socket cap, and the socket cap of the protecgulum 6 is locally installed hole face and exceeded
The mounting hole of screw 4.
As shown in figure 3, the mounting hole of the socket cap of screw 4 is that odd number is uniform, such as local mounting hole is that 9 deciles are uniform, such as
Local mounting hole is uniformly replaced for 7 deciles.
As shown in figure 1, one end of the protecgulum 6 is set to the step of protrusion, one end of step is against before on output shaft 1
Bearing roller bearing 8, the step disc carries out gap with the endoporus of body shell 9 and coordinates setting in positioning, the body shell hole
One annular groove, annular groove installs O-ring seals, and motor internal cavity is sealed.
The rotary shaft sealing 5 set between the protecgulum 6 and output shaft 1 is skeleton axle envelope, and the fore bearing is rolled using cylinder
Sub- bearing 8, the cylinder roller bearing 8 is made up of cylindrical roller and support frame, and the cylindrical roller is arranged on the machine of support frame
In the groove of tool processing, described support frame is formed the support of cylinder roller bearing by low-carbon alloy steel by carburizing and quenching processing
Raceway.
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.In addition to the implementation, originally
Utility model can also have an other embodiment, such as the use protecgulum excircle orientation of traditional axle distributing cycloid hydraulic motor
Improve, etc..All use equivalents or the technical scheme of equivalent transformation formation, all fall within the protection model of the utility model requirement
Enclose.
Claims (10)
1. a kind of cycloid hydraulic motor, main to include the body shell with mounting flange face, the torque output being placed in body shell
Axle construction is exported, and turns stator pair, with streaming system and fluid turnover motor using what connecting bolt was connected with the body shell
The runner and bonnet of chamber；It is characterized in that：The body shell, which has, installs positioning spigot, before being provided with the seam of the body shell
Lid, the protecgulum is provided with rotary shaft sealing, and the protecgulum is fixed together using screw with body shell, has portion on described protecgulum
Dividing has part screw socket cap mounting hole in screw socket cap mounting hole, described body shell, the socket cap of the screw is installed
Hole is collectively forming by the mounting hole on protecgulum and in body shell.
2. a kind of cycloid hydraulic motor according to claim 1, it is characterised in that：One end of the protecgulum is the platform of protrusion
Rank, one end of step is against the fore bearing on output shaft, and the fore bearing uses cylinder roller bearing.
3. a kind of cycloid hydraulic motor according to claim 2, it is characterised in that：The step disc is carried out with body shell hole
Gap, which coordinates, sets an annular groove in positioning, the body shell hole, annular groove installs O-ring seals.
4. a kind of cycloid hydraulic motor according to claim 3, it is characterised in that：Set between the protecgulum and output shaft
Rotary shaft sealing be skeleton axle envelope.
5. a kind of cycloid hydraulic motor according to claim 2, it is characterised in that：The cylinder roller bearing is rolled by cylinder
Son and support frame composition, the cylindrical roller are arranged in the groove of the machining of support frame.
6. a kind of cycloid hydraulic motor according to claim 5, it is characterised in that：The socket cap of the protecgulum is locally installed
Hole exceedes the half of mounting hole needed for socket cap.
7. a kind of cycloid hydraulic motor according to claim 6, it is characterised in that：The socket cap of the protecgulum is locally installed
Hole face exceedes the mounting hole of screw.
8. a kind of cycloid hydraulic motor according to claim 7, it is characterised in that：The socket cap of the protecgulum is locally installed
Hole uses and is milled into.
9. a kind of cycloid hydraulic motor according to claim 8, it is characterised in that：The installation of the socket cap of the screw 4
Hole is that decile even number is uniform.
10. a kind of cycloid hydraulic motor according to claim 9, it is characterised in that：The installation of the socket cap of the screw 4
Hole is uniformly replaced by 8 deciles for even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363001.3U CN206319994U (en) | 2016-12-13 | 2016-12-13 | A kind of cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363001.3U CN206319994U (en) | 2016-12-13 | 2016-12-13 | A kind of cycloid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319994U true CN206319994U (en) | 2017-07-11 |
Family
ID=59268236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621363001.3U Active CN206319994U (en) | 2016-12-13 | 2016-12-13 | A kind of cycloid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061139A (en) * | 2016-12-13 | 2017-08-18 | 镇江大力液压马达股份有限公司 | A kind of 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 CN201621363001.3U patent/CN206319994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061139A (en) * | 2016-12-13 | 2017-08-18 | 镇江大力液压马达股份有限公司 | A kind of 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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