CN105333110A - Supporting structure for input gear of main drive for micro shield construction machine - Google Patents
Supporting structure for input gear of main drive for micro shield construction machine Download PDFInfo
- Publication number
- CN105333110A CN105333110A CN201510902910.3A CN201510902910A CN105333110A CN 105333110 A CN105333110 A CN 105333110A CN 201510902910 A CN201510902910 A CN 201510902910A CN 105333110 A CN105333110 A CN 105333110A
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- China
- Prior art keywords
- input gear
- semi
- speed reducer
- supporting structure
- cantilever
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a supporting structure for an input gear of a main drive for a micro shield construction machine. The supporting structure for the input gear of the main drive for the micro shield construction machine comprises a planetary speed reducer, and a sun gear axis input gear arranged on the planetary speed reducer, wherein one end away from the speed reducer, of the input gear, forms a cantilever end; a semi-open cantilever supporting is arranged on the cantilever end of the input gear; one end of the semi-open cantilever supporting sleeves the cantilever end of the input gear through a cantilever beam supporting bearing; and the other end of the semi-open cantilever supporting is fixed on a box body of the planetary speed reducer. According to the supporting structure for the input gear of the main drive for the micro shield construction machine, through arranging the semi-open cantilever supporting on the supporting bearing of the input gear, a double-supporting structure is equivalently formed, and has the advantages that the occupied installation space is less, the machining thereof is simple, the structure and the machining of the box body are simple, the maintenance is simple, the transmission reliability is high, the engagement loading condition of the gear is improved, prolonging for the service life of the main drive is benefited, and the like. The supporting structure for the input gear of the main drive for the micro shield construction machine is especially applicable to the main drive installed in the micro shield construction machine with a limited space.
Description
Technical field
The present invention relates to shield machine technical field, relate to the main driving input gear supporting structure of a kind of miniature shield machine specifically.
Background technique
Shield machine is mainly used in tunnel construction, along with the variation of the market demand, miniature shield machine (Zhi Jing≤3m) become one of development trend of shield machine industry, particularly be applicable to the extra small diameter (≤1m of the shield face diameter of the laying of city various shallow-layer pipeline) circular shield machine, municipal drainage pipeline and cable laying field application widely.
The main feature of miniature shield machine is that radial dimension is little, and the supporting form of the main driving input gear axle generally used at present mainly contains center impeller type and cantilever type.Wherein, center impeller type stress condition is good, and bearing capacity is high, and the condition allowed for installing space is best selection.And cantilever type does not design supporting at gear shaft end, project organization is simple, cost is low, but bearing capacity is by the restriction of cantilever structure, the condition of inapplicable large load.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides the main driving input gear supporting structure of a kind of miniature shield machine, volume is little, transmission capacity is strong, reliable performance, has both met the requirement of strength of torque drive, additionally reduce the installing space of mechanical structure, make structure closely.
The present invention in order to the technological scheme solving its technical problem and adopt is: the main driving input gear supporting structure of a kind of miniature shield machine, comprise for receiving motor acting with the planetary speed reducer providing main driving torque source, and the sun gear axle center being arranged at this planetary speed reducer is for passing to the input gear of the gear ring of main driving by the moment of torsion of described planetary speed reducer, this input gear forms cantilever end away from one end of described speed reducer, the cantilever end of described input gear is provided with a semi-open type cantilever support, this semi-open type cantilever support one end is sheathed on by overhang block bearing on the cantilever end of described input gear, this semi-open type cantilever support the other end is fixed on the casing of described planetary speed reducer.
As a further improvement on the present invention, described semi-open type cantilever support have be in turn connected to form one sector part, semi-cylindrical portion and semi-annular half, wherein the center portion of this sector part is sheathed on the cantilever end of described input gear, and the tail end of this semi-annular half is fixed on the casing of described planetary speed reducer.
As a further improvement on the present invention, in described sector part, be formed centrally circular arc, and be provided with installation circular hole.
As a further improvement on the present invention, be provided with semi-open type between the semi-cylindrical portion of described semi-open type cantilever support and the casing of described planetary speed reducer to support.
As a further improvement on the present invention, shaft end ring is respectively equipped with between described overhang block bearing and described input gear and the supporting of semi-open type overhang.
The invention has the beneficial effects as follows: the main driving input gear supporting structure of this miniature shield machine by arranging semi-open type cantilever support on the block bearing of input gear, be equivalent to double supporting structure, have that to take installing space little, the processing of this part is simple, and housing structure is simple with processing, and maintaining is simple, reliable transmission is high, improve the engagement carrying condition of gear, be beneficial to the advantages such as the working life of improving main driving, be specially adapted to be installed on the main driving of miniature shield machine of limited space.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is along A-A in Fig. 1 to partial structurtes schematic diagram.
By reference to the accompanying drawings, below work
33---semi-annular half illustrates:
1---shaft end ring 2---overhang block bearing
3---semi-open type cantilever support 4---semi-open type supports
5---input gear 6---planetary speed reducer
31---sector part 32---semi-cylindrical portion
51---cantilever end
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present invention is elaborated.But protection scope of the present invention is not limited to following embodiment, the simple equivalence namely in every case done with the present patent application the scope of the claims and description changes and modifies, and all still belongs within patent covering scope of the present invention.
Consult Fig. 1, 2, the main driving input gear supporting structure of a kind of miniature shield machine, comprise for receiving motor acting with the planetary speed reducer 6 providing main driving torque source, and the sun gear axle center being arranged at this planetary speed reducer is for passing to the input gear 5 of the gear ring of main driving by the moment of torsion of described planetary speed reducer, this input gear forms cantilever end 51 away from one end of described speed reducer, the cantilever end of described input gear is provided with a semi-open type cantilever support 3, this semi-open type cantilever support one end is sheathed on by overhang block bearing 2 on the cantilever end of described input gear, this semi-open type cantilever support the other end is fixed on the casing of described planetary speed reducer.
Described semi-open type cantilever support have be in turn connected to form one sector part 31, semi-cylindrical portion 32 and semi-annular half 33, wherein the center portion of this sector part is sheathed on the cantilever end of described input gear, and the tail end of this semi-annular half is fixed on the casing of described planetary speed reducer.
Be formed centrally circular arc in described sector part, and be provided with installation circular hole.Be provided with semi-open type between the semi-cylindrical portion of described semi-open type cantilever support and the casing of described planetary speed reducer and support 4.Shaft end ring 1 is respectively equipped with between described overhang block bearing and described input gear and the supporting of semi-open type overhang.
Miniature shield machine of the present invention passes through on input gear, increase semi-open type cantilever support with main driving input gear supporting structure, one is assembled into planetary speed reducer, be installed in box body hole, semi-open type cantilever support one end is sector part, and namely input end forms circular arc, and is provided with circular hole for installing, namely location can be ensured, in turn simplify the structure of casing, occupy minimum installing space, achieve optimum transmission effect by minimum processing cost.
This supporting structure meets the little requirement of miniature shield machine radial dimension, compact installing space is used to meet the transmission requirement of input gear, do not increase manufacture cost, do not affect using effect, maintaining, dismounting is simple, reliable performance, gears meshing stress condition is improved, and improves the reliability of main driving.
Claims (5)
1. the main driving input gear supporting structure of miniature shield machine, comprise for receiving motor acting with the planetary speed reducer (6) providing main driving torque source, and the sun gear axle center being arranged at this planetary speed reducer is for passing to the input gear (5) of the gear ring of main driving by the moment of torsion of described planetary speed reducer, this input gear forms cantilever end (51) away from one end of described speed reducer, it is characterized in that: the cantilever end of described input gear is provided with a semi-open type cantilever support (3), this semi-open type cantilever support one end is sheathed on the cantilever end of described input gear by overhang block bearing (2), this semi-open type cantilever support the other end is fixed on the casing of described planetary speed reducer.
2. the main driving input gear supporting structure of miniature shield machine according to claim 1, it is characterized in that: described semi-open type cantilever support have be in turn connected to form one sector part (31), semi-cylindrical portion (32) and semi-annular half (33), wherein the center portion of this sector part is sheathed on the cantilever end of described input gear, and the tail end of this semi-annular half is fixed on the casing of described planetary speed reducer.
3. the main driving input gear supporting structure of miniature shield machine according to claim 1, is characterized in that: be formed centrally circular arc in described sector part, and is provided with installation circular hole.
4. the main driving input gear supporting structure of miniature shield machine according to claim 2, is characterized in that: be provided with semi-open type between the semi-cylindrical portion of described semi-open type cantilever support and the casing of described planetary speed reducer and support (4).
5. the main driving input gear supporting structure of miniature shield machine according to claim 1, is characterized in that: be respectively equipped with shaft end ring (1) between described overhang block bearing and described input gear and the supporting of semi-open type overhang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902910.3A CN105333110A (en) | 2015-12-09 | 2015-12-09 | Supporting structure for input gear of main drive for micro shield construction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902910.3A CN105333110A (en) | 2015-12-09 | 2015-12-09 | Supporting structure for input gear of main drive for micro shield construction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333110A true CN105333110A (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510902910.3A Pending CN105333110A (en) | 2015-12-09 | 2015-12-09 | Supporting structure for input gear of main drive for micro shield construction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333110A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106407A (en) * | 2001-09-28 | 2003-04-09 | Jatco Ltd | Automatic transmission |
| CN103527753A (en) * | 2013-11-04 | 2014-01-22 | 无锡市聚英机械制造有限公司 | Planetary speed reducer high-speed end axial locating bearing structure |
| CN203585225U (en) * | 2013-08-23 | 2014-05-07 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
| CN203594734U (en) * | 2013-12-19 | 2014-05-14 | 天津市祥威传动设备有限公司 | Cutter head drive planetary reducer for shield tunneling machine |
| CN203717851U (en) * | 2014-03-05 | 2014-07-16 | 中联重科股份有限公司 | Auxiliary bearing device for output shaft of speed reducer |
| WO2015101288A1 (en) * | 2013-12-31 | 2015-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct-drive wind turbine transmission chain and gear box used thereby |
| CN205278302U (en) * | 2015-12-09 | 2016-06-01 | 江苏凯宫隧道机械有限公司 | Miniature shield constructs machine main drive input gear support structure |
-
2015
- 2015-12-09 CN CN201510902910.3A patent/CN105333110A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106407A (en) * | 2001-09-28 | 2003-04-09 | Jatco Ltd | Automatic transmission |
| CN203585225U (en) * | 2013-08-23 | 2014-05-07 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
| CN103527753A (en) * | 2013-11-04 | 2014-01-22 | 无锡市聚英机械制造有限公司 | Planetary speed reducer high-speed end axial locating bearing structure |
| CN203594734U (en) * | 2013-12-19 | 2014-05-14 | 天津市祥威传动设备有限公司 | Cutter head drive planetary reducer for shield tunneling machine |
| WO2015101288A1 (en) * | 2013-12-31 | 2015-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct-drive wind turbine transmission chain and gear box used thereby |
| CN203717851U (en) * | 2014-03-05 | 2014-07-16 | 中联重科股份有限公司 | Auxiliary bearing device for output shaft of speed reducer |
| CN205278302U (en) * | 2015-12-09 | 2016-06-01 | 江苏凯宫隧道机械有限公司 | Miniature shield constructs machine main drive input gear support structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |