CN202250590U - Hydraulic motor - Google Patents
Hydraulic motor Download PDFInfo
- Publication number
- CN202250590U CN202250590U CN2011203525766U CN201120352576U CN202250590U CN 202250590 U CN202250590 U CN 202250590U CN 2011203525766 U CN2011203525766 U CN 2011203525766U CN 201120352576 U CN201120352576 U CN 201120352576U CN 202250590 U CN202250590 U CN 202250590U
- Authority
- CN
- China
- Prior art keywords
- thrust plate
- backward
- hydraulic motor
- oil hydraulic
- end cap
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Hydraulic Motors (AREA)
Abstract
The utility model relates to a clamp holder used for a mining tunnel drilling rig, in particular to a hydraulic motor. The hydraulic motor comprises a wheel train mechanism which comprises an inner gear ring with a polygonal appearance and is internally provided with a central wheel, planet wheels are arranged between the inner gear ring and the central wheel uniformly at intervals, a front thrust plate and a rear thrust plate are arranged on the two axial end surfaces of the wheel train mechanism and respectively provided with a liquid returning hole and a liquid feeding hole, openings of the liquid returning hole and the liquid feeding hole are communicated with a cavity formed by the encircling of the inner gear ring and the central wheel, and the hydraulic motor comprises a front end cover, a rear end cover and a fixing mechanism, wherein the front end cover and the rear end cover are used for axially compacting the components along a central hole of the central wheel of the wheel train mechanism, the fixing mechanism is used for limiting the relative position of the inner gear ring, the front thrust plate, the rear thrust plate, the front end cover and the rear end cover, and an output shaft fixedly connected with the central hole of the central wheel is supported on the front thrust plate and the rear thrust plate or the front end cover and the rear end cover respectively by bearings. Compared with motors of the same type, the hydraulic motor has a smaller volume and a more compact structure.
Description
Technical field
The utility model belongs to the mine equipment field, is specifically related to a kind of clamp holder that is used for mining underground drill rig.
Background technique
Oil hydraulic motor is meant that output rotatablely moves, and the hydraulic pressure that oil hydraulic pump is provided can change the energy conversion device of mechanical energy into.Be mainly used in injection machine, boats and ships, work the machine etc. of raising.To this; The claimant is at " noncircular planetary gear hydraulic motor " (application number: announced following structure in the application text 200920186147.9): comprise by housing, nut sleeve of application on June 30th, 2009; The change ability mechanism that has non-circular planetary gear to constitute therebetween in the active chamber that constitutes; The change that non-circular planetary gear constitutes can mechanism comprise polygonal ring gear; Its set inside central gear; Planet wheel evenly is set therebetween at interval, and the axial two end faces of train that ring gear, central gear and planet wheel constitute is provided with forward and backward thrust plate, offers hole for back flow and inlet opening on the forward and backward thrust plate respectively; The aperture of hole for back flow and inlet opening is communicated with the cavity that interior ring gear and central gear surround; Angle between the line at the convex pitch curve center of the line at the center of hole for back flow and inlet opening and central gear center and central gear center and interior ring gear is 12 °～18 °, housing be provided with forward and backward thrust plate on the path that is communicated with of hole for back flow and inlet opening, the output shaft that is connected with the center hole of central gear is put at housing and back nut by bearings.Said structure is applicable to high pulling torque and the high occasion of output power; Yet in the time of in the low moment of torsion of the little load of needs and narrow and small occasion in some space such as tunnel, existing oil hydraulic motor is difficult to satisfy its requirement; Simultaneously; Because existing motor configuration is bigger than complicacy and volume, often cause producing and assembly process complicated, cause cost to improve and the waste in man-hour.
Summary of the invention
The purpose of the utility model provides a kind of oil hydraulic motor simple in structure, and its compact structure and working stability are reliable.
For realizing above-mentioned purpose; The utility model has adopted following technological scheme: a kind of oil hydraulic motor; Comprise gear mechanism; Said gear mechanism comprises that profile is polygonal ring gear, and its set inside central gear evenly at interval is provided for chimeric both planet wheel therebetween; The axial two end faces of gear mechanism is provided with forward and backward thrust plate; Offer back respectively on the forward and backward thrust plate, inlet opening, return, the aperture of inlet opening is communicated with the cavity that ring gear and central gear surround, said oil hydraulic motor also is included in being used for the forward and backward end cap of above-mentioned parts along the axial compression of gear mechanism central gear center hole away from the side end face setting of gear mechanism on the forward and backward thrust plate; Said oil hydraulic motor also comprises the fixed mechanism that is used to limit ring gear and forward and backward thrust plate and forward and backward end cap relative position relation, and the output shaft that is connected with the center hole of central gear is supported on forward and backward thrust plate respectively by bearing or front and back ends covers.
The beneficial effect of the utility model is: at first; More compact structure, because the utility model abandoned traditional motor casing structure, thereby it is smaller and more exquisite to compare its volume of motor of the same type; Be more suitable for the narrow and small occasion of some working space, remedied the deficiency of existing oil hydraulic motor; Secondly, structure is simpler, thereby makes its production and assembly process reduction, can effectively reduce its cost of production and reduce man-hour.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the right elevation of Fig. 1.
Embodiment
A kind of oil hydraulic motor; Comprise gear mechanism 10; Said gear mechanism 10 comprises that profile is polygonal ring gear 11; Its set inside central gear 12; Evenly at interval be provided for chimeric both planet wheel 13 therebetween; Gear mechanism 10 axial two end faces are provided with forward and backward thrust plate 20,30, offer back respectively on the forward and backward thrust plate 20,30, inlet opening 21,31, return, the aperture of inlet opening 21,31 is communicated with the cavity that ring gear 11 and central gear 12 surround; Said oil hydraulic motor also is included in being used for the forward and backward end cap 40,50 of above-mentioned parts along the axial compression of central gear 12 center holes of gear mechanism 10 away from what a side end face of gear mechanism 10 was provided with on the forward and backward thrust plate 20,30; Said oil hydraulic motor also comprises the fixed mechanism 60 that is used to limit ring gear 11 and forward and backward thrust plate 20,30 and forward and backward end cap 40,50 relative position relations, and the output shaft 14 that is connected with the center hole of central gear 12 is supported on respectively on forward and backward thrust plate 20,30 or the forward and backward end cap 40,50, shown in Fig. 1-2 by bearing 70.
Further preferred version as the utility model: as shown in Figure 2; Said fixed mechanism 60 comprises and is arranged in one of them the hold-down bolt 61 of end of forward and backward end cap 40,50 at least; Said hold-down bolt 61 axially runs through and connects forward and backward end cap 40,50 and forward and backward thrust plate 20,30 and ring gear 11 by one of them place at least of forward and backward end cap 40,50; That is to say; The hold-down bolt 61 here plays the effect of fixing and connecting forward and backward end cap 40,50 and forward and backward thrust plate 20,30 and ring gear 11, thereby it is reliable and stable that it is cooperated each other, to guarantee the normal and stable work of the utility model.
The mounting point of hold-down bolt 61 is done like delimit: said hold-down bolt 61 axis and ring gear 11 places of joining are positioned on convex pitch curve center and ring gear 11 lines of centres of ring gear 11 and are positioned at the middle part of its radial thickness here.Because the radial thickness at ring gear 11 convex pitch curve centers and ring gear 11 line of centres places is the thickness of the radial thickness of whole ring gear 11; Thereby can guarantee the reliable fit of 11 of hold-down bolt 61 and ring gears; Produce interference between the cavity of avoiding hold-down bolt 61 and planet wheel 13 and ring gear 11 and central gear 12 to surround, thereby further guarantee the normal operation of the utility model.
Further, said hold-down bolt 61 is arranged on the front cover 40 and along motor drive shaft and is provided with to connecting, and said hold-down bolt 61 is 12 and circumferentially is uniformly distributed with along its end face.The number of hold-down bolt 61 is not limited to above-mentioned number here, and the convex joint number order that its number also can corresponding ring gear 11 fluctuates accordingly.
As shown in Figure 1, said fixed mechanism 60 also comprises axial connection ring gear 11 and forward and backward thrust plate 20,30 and forward and backward end cap 40,50 and is used to limit the locating stud 62 that above-mentioned each parts relatively circumferentially rotate.Because the machining accuracy of locating stud 62 is much larger than the machining accuracy of hold-down bolt 61, thereby effectively guarantee the fit dimension of each parts that it connected, guarantee accurately reliably affixed between each parts.
As the further preferred version of the utility model: consider that the utility model is a hydraulic driving; Its body sealability is most important; Therefore; Said output shaft 14 is provided with sealed department with forward and backward thrust plate 20,30 junctions, is provided with Sealing between each faying surface of said forward and backward thrust plate 20,30 and ring gear 11 and forward and backward end cap 40,50.
Further, the rigging position of bearing 70 is done like delimit: the plate face upper edge of said forward and backward thrust plate 20,30 is axially arranged with the short tube portion 22,32 that is outward extended with, and constitutes matching relationship between said bearing 70 and short tube portion 22,32 inner hole walls here.Simultaneously; As shown in Figure 1; Said oil hydraulic motor comprises nut sleeve 80, and said nut sleeve 80 cooperates with front cover 40 end faces and compresses the bearing 70 that is positioned at output shaft 14 front ends, and end cap 30 then cooperates with the tail end end difference of output shaft 14 and limits the bearing 70 that is positioned at its afterbody thereafter.
Further; Said rear end cover 50 interior edge faces are provided with the adaptive blind hole along the profile of its axial depression and short tube portion 31; The short tube portion of rear thrust plate 30 postpones and probes in the cavity and with its hole wall formation and cooperates; Said front cover 40 profiles are the ring plate-like, the short tube portion 21 of said front thrust plate 20 postpone and with its internal ring wall between constitute and cooperate.For completely cut off back, getting in touch between inlet opening 21,31 and outside, guarantee back, the reliable sealing between inlet opening 21,31 places and the external world that the short tube portion 22,32 of said forward and backward thrust plate 20,30 and the joint place of forward and backward end cap 40,50 are provided with Sealing.
As shown in Figure 1, said forward and backward end cap 40,50 be provided with forward and backward thrust plate 20,30 on return, the path 41,51 that is used to be connected external equipment that inlet opening 21,31 is communicated with.
To sum up and combine shown in Fig. 1-2; The utility model be actually with forward and backward end cap 40,50 and forward and backward thrust plate 20,30 and gear mechanism more than 10 big parts in regular turn tandem arrangement on output shaft 14; The forward and backward end cap 40,50 that wherein is positioned at a two ends is used to compress and the ring gear 11 of fastening forward and backward thrust plate 20,30 and gear mechanism 10; Again through being arranged in the preliminary mutual alignment relation that limits 11 of forward and backward end caps 40,50 and forward and backward thrust plate 20,30 and ring gears of the hold-down bolt that makes progress in 40 card weeks of front cover 61; Mutual alignment relation through 11 of 62 pairs of forward and backward end caps 40,50 of locating stud and forward and backward thrust plate 20,30 and ring gears accurately limits again, thereby guarantees the reliable operation of the utility model, simultaneously; The periphery wall of each parts constitutes the outer wall of oil hydraulic motor naturally; Thereby avoided conventional hydraulic motors to need the special settings motor case to limit and the structure of firm inner member, and then made it compact further than conventional construction, volume is also littler; Not only be more suitable for the narrow and small occasion of some working space; Remedied the deficiency of existing oil hydraulic motor, also reduced its production and assembly process greatly, can effectively reduce its cost of production and reduce man-hour.
Claims (9)
1. oil hydraulic motor; Comprise gear mechanism (10); Said gear mechanism (10) comprises that profile is polygonal ring gear (11); Its set inside central gear (12); Evenly at interval be provided for chimeric both planet wheel (13) therebetween; Gear mechanism (10) axially two end faces is provided with forward and backward thrust plate (20,30); Forward and backward thrust plate is offered back respectively on (20,30), inlet opening (21,31), returns, the aperture of inlet opening (21,31) is communicated with the cavity that ring gear (11) and central gear (12) surround, and it is characterized in that: said oil hydraulic motor also is included in being used for the forward and backward end cap (40,50) of above-mentioned parts along the axial compression of central gear (12) center hole of gear mechanism (10) away from the side end face setting of gear mechanism (10) on the forward and backward thrust plate (20,30); Said oil hydraulic motor also comprises the fixed mechanism (60) that is used to limit ring gear (11) and forward and backward thrust plate (20,30) and forward and backward end cap (40,50) relative position relation, and the output shaft (14) that is connected with the center hole of central gear (12) is supported on respectively on forward and backward thrust plate (20,30) or the forward and backward end cap (40,50) by bearing (70).
2. oil hydraulic motor according to claim 1; It is characterized in that: said fixed mechanism (60) comprises and is arranged in one of them the hold-down bolt (61) of end of forward and backward end cap (40,50) at least that said hold-down bolt (61) axially runs through and connect forward and backward end cap (40,50) and forward and backward thrust plate (20,30) and ring gear (11) by one of them place at least of forward and backward end cap (40,50).
3. oil hydraulic motor according to claim 2 is characterized in that: said hold-down bolt (61) axis and ring gear (11) place of joining are positioned on convex pitch curve center and ring gear (11) line of centres of ring gear (11) and are positioned at the middle part of its radial thickness.
4. according to claim 2 or 3 described oil hydraulic motors, it is characterized in that: said hold-down bolt (61) is arranged in that front cover (40) is gone up and is provided with to connecting along motor drive shaft, and said hold-down bolt (61) is 12 and circumferentially is uniformly distributed with along its end face.
5. oil hydraulic motor according to claim 4 is characterized in that: said fixed mechanism (60) also comprises axial connection ring gear (11) and forward and backward thrust plate (20,30) and forward and backward end cap (40,50) and is used to limit the locating stud (62) that above-mentioned each parts relatively circumferentially rotate.
6. oil hydraulic motor according to claim 5; It is characterized in that: said output shaft (14) is provided with sealed department with forward and backward thrust plate (20,30) junction, is provided with Sealing between each faying surface of said forward and backward thrust plate (20,30) and ring gear (11) and forward and backward end cap (40,50).
7. oil hydraulic motor according to claim 6; It is characterized in that: the plate face upper edge of said forward and backward thrust plate (20,30) is axially arranged with the short tube portion that is outward extended with (22,32); Constitute matching relationship between said bearing (70) and short tube portion (22,32) inner hole wall; Said oil hydraulic motor comprises nut sleeve (80), and said nut sleeve (80) cooperates with front cover (40) end face and compresses bearing (70).
8. oil hydraulic motor according to claim 7; It is characterized in that: said rear end cover (50) interior edge face is provided with along the adaptive blind hole of the profile of its axial depression and short tube portion (31); The short tube portion of rear thrust plate (30) postpones and probes in the cavity and with its hole wall formation and cooperates; Said front cover (40) profile is the ring plate-like; The short tube portion (21) of said front thrust plate (20) postpone and with its internal ring wall between constitute and cooperate, the short tube portion (22,32) of said forward and backward thrust plate (20,30) all is provided with Sealing with the joint place of forward and backward end cap (40,50).
9. oil hydraulic motor according to claim 1 is characterized in that: said forward and backward end cap (40,50) be provided with forward and backward thrust plate (20,30) on return, the path that is used to be connected external equipment (41,51) that inlet opening (21,31) is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203525766U CN202250590U (en) | 2011-09-20 | 2011-09-20 | Hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203525766U CN202250590U (en) | 2011-09-20 | 2011-09-20 | Hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250590U true CN202250590U (en) | 2012-05-30 |
Family
ID=46111843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203525766U Expired - Fee Related CN202250590U (en) | 2011-09-20 | 2011-09-20 | Hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392781A (en) * | 2011-09-20 | 2012-03-28 | 合肥航天液压机械有限公司 | Hydraulic motor |
-
2011
- 2011-09-20 CN CN2011203525766U patent/CN202250590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392781A (en) * | 2011-09-20 | 2012-03-28 | 合肥航天液压机械有限公司 | Hydraulic motor |
| CN102392781B (en) * | 2011-09-20 | 2014-07-16 | 合肥航天液压机械有限公司 | Hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104847873B (en) | All-sealed one-piece type RV reductor | |
| CN206860769U (en) | Strength coaxial type hollow shaft reducer | |
| CN202250590U (en) | Hydraulic motor | |
| CN203686069U (en) | Speed reducer with stable transmission | |
| CN202467695U (en) | Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device | |
| CN202622021U (en) | Device for machining milling groove in hole | |
| CN102392781B (en) | Hydraulic motor | |
| CN209753308U (en) | Vertical adhesive press | |
| CN204900776U (en) | Easily assemble gear motor | |
| CN215214337U (en) | Transmission shaft structure | |
| CN210859081U (en) | Quantitative pump | |
| CN204465253U (en) | With the motor of the electric vehicle integral structure of motor robust structure | |
| CN201461397U (en) | Transmission structure of hydraulic gear pump and motor | |
| CN105298834A (en) | External gear pump capable of being used for forward and reverse rotation | |
| CN202251709U (en) | Gear reducer | |
| CN201494031U (en) | Crankshaft driving mechanism of pressing machine | |
| CN203542191U (en) | Feeding box structure | |
| CN103437702B (en) | Cycloidal power head with simply supported beam type pins for transmitting high axial force | |
| CN213511910U (en) | Special speed reducer for single-screw plastic extruder | |
| CN202309323U (en) | Endocytic shaft-hole connection type explosion-proof three-phase asynchronous motor | |
| CN206519601U (en) | Novel water conservancy construction perforating device | |
| CN203717792U (en) | Motor transmission structure | |
| CN217344625U (en) | Vertical power head assembly | |
| CN203390863U (en) | Manual sealed bushing dismounting tool | |
| CN203783454U (en) | Mining reduction gearbox having vibrating impact function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170920 |