CN205155091U - Free fall is reduction gear for hoist engine - Google Patents
Free fall is reduction gear for hoist engine Download PDFInfo
- Publication number
- CN205155091U CN205155091U CN201520810575.XU CN201520810575U CN205155091U CN 205155091 U CN205155091 U CN 205155091U CN 201520810575 U CN201520810575 U CN 201520810575U CN 205155091 U CN205155091 U CN 205155091U
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- China
- Prior art keywords
- iii
- planet
- planet carrier
- ring gear
- sun gear
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Abstract
The utility model relates to a free fall is reduction gear for hoist engine, its innovation point lies in: including tertiary planet subassembly, second grade planet subassembly, one -level planet subassembly, reduction gear connecting flange C, reduction gear connecting flange B, reduction gear connecting flange A. The utility model has the advantages of: the utility model discloses well hoist engine reduction gear adopts tertiary planetary gear set spare, and it can take turns III through the planet, planet wheel II drives ring gear III, II rotations of ring gear simultaneously, so realize the double row star gear to the transmission of reel moment of torsion, the moment of torsion is big, and the shell is connected to form by ring gear III, reduction gear connecting flange C, ring gear II, reduction gear connecting flange B, and single part manufacturing and designing is convenient, reduces and makes the degree of difficulty and cost, and be favorable to installation, the maintenance in the later stage use.
Description
Technical field
The utility model relates to a kind of speed reducer, particularly a kind of freely falling body winch retarder.
Background technique
Winch drives reel, winding cords to complete the device of traction work by manpower or machine power, vertical-lift, level or inclination can drag and draw weight.It can be widely used in building, hydraulic engineering, forestry, mine, harbour etc. material lifting, flat to drag or weight operating mode is drawn on slope.
Along with the development need of society, the efficiency of construction for unit in charge of construction requires also more and more higher, and the winch can putting hook is fast thereupon raw.In current fast releasing hoister machine speed reducer, due to its structural limitations, output torque is low, and under condition knocked off soon by empty hook, cannot realize band and carry braking, there is larger potential safety hazard.
Also occur at present a kind of can a winch with carrying braking, as number of patent application 201120455525.6 free fall type winch, it includes supporting base I, break I, input freely falling body break spline housing, input shaft, three stage planetary reduction device, export freely falling body break spline housing I, export freely falling body break spline housing II, output shaft, supporting base II, fixed base, break II and reel, three stage planetary reduction device is provided with one-level sun gear, primary annulus and three grades of gear rings, break I is provided with moving plate I, break II is provided with moving plate II, break I is provided with in supporting base, the moving plate I of break I is set to input freely falling body break spline housing and connects, one end of input shaft is set to input freely falling body break spline housing and connects, the other end is set to connect with one-level sun gear, primary annulus is set to and exports freely falling body break spline housing I and connect, one end of output shaft is set to and exports freely falling body break spline housing I and connect, the other end is set to and exports freely falling body break spline housing II and connect, supporting base II is set to connect with output shaft 1 rotary type, break II is set to connect with supporting base II, the moving plate II of break II is set to and exports freely falling body break spline housing II and connect, fixed base is set to connect with supporting base II rotary type, reel is set to connect fixed with fixed base, reel is set to connect with three grades of gear rings.
Be equipped with break I, break II in said structure, the band that break I is used as when winch normally runs carries braking, and break II then for putting hook fast under free falling body state, is increased work efficiency.But still there is certain defect in it: its three stage planetary reduction apparatus structure is complicated, and not quick detachable, the later stage use, safeguard time very inconvenient.
Therefore a kind of freely falling body winch retarder is researched and developed imperative.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of freely falling body winch retarder easy to maintenance.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of freely falling body winch retarder, and its innovative point is: comprise third-level planetary assembly, secondary planet assembly, primary planet assembly, retarder connecting flange C, retarder connecting flange B, retarder connecting flange A; Third-level planetary assembly comprises ring gear III, sun gear III, planet wheel III, planet carrier III, planet carrier shaft III, described ring gear III and sun gear III are coaxially arranged, the planet wheel III engaged with ring gear III and sun gear III while of being distributed with several in annular chamber between ring gear III and sun gear III, the center of each planet wheel III is provided with planet carrier shaft III, and the right-hand member of each planet carrier shaft III is connected by planet carrier III; Secondary planet assembly comprises ring gear II, sun gear II, planet wheel II, planet carrier II, planet carrier shaft II, described ring gear II and sun gear II are coaxially arranged, the planet wheel II engaged with ring gear II and sun gear II while of being distributed with several in annular chamber between ring gear II and sun gear II, the center of each planet wheel II is provided with planet carrier shaft II, and being connected and fixed with planet carrier II of each planet carrier shaft II; Primary planet assembly comprises ring gear I, sun wheel shaft I, planet wheel I, planet carrier I, planet carrier shaft I, described ring gear I and sun wheel shaft I are coaxially arranged, the planet wheel I engaged with ring gear I and sun gear I while of being distributed with several in annular chamber between ring gear I and sun gear I, the center of each planet wheel I is provided with planet carrier shaft I, and being connected and fixed with planet carrier I of each planet carrier shaft I; Ring gear III outer peripheral surface has a flange arrangement for being connected and fixed with reel end face; Sun gear III one end is engaged with planet wheel III, and the other end engages with the end of planet carrier II transmission realized between secondary planet assembly and third-level planetary assembly by gear structure; Sun gear II one end is engaged with planet wheel II, and the other end engages with the end of planet carrier I transmission realized between primary planet assembly and secondary planet assembly by gear structure; Described ring gear III, retarder connecting flange C, ring gear II, retarder connecting flange B connect to form speed reducer housing successively by bolt from left to right; One end of ring gear I is connected with the retarder connecting flange A being positioned at retarder connecting flange B, between retarder connecting flange B and retarder connecting flange A, the first block bearing is set, the center of this retarder adpting flange A has one for exporting with freely falling body break the splined hole that axle key is connected, and is provided with the second block bearing between retarder connecting flange C and planet carrier III; Described sun gear II and sun gear III center all have the through hole that an edge is axially arranged separately, the left end of sun wheel shaft I is the spline structure for being connected with winch Parking Brake spline housing key, and this spline structure passes the through hole at sun gear II and sun gear III center successively and stretches out.
Preferably, described planet carrier III is one coaxially to be arranged by the sleeve pipe for supporting the second block bearing and the flange plate for connecting planet carrier shaft III and form, flange plate has the axis hole passed for holding planet carrier shaft III, and on the circumferential surface of flange plate, is drilled with the fastening screw hole being communicated with this axis hole.
The utility model has the advantage of: in the utility model, winch retarder adopts three-stage planetary gear assembly, it can drive ring gear III by planet wheel III, planet wheel II simultaneously, ring gear II rotates, and then realizing the transmission of dual planetary gear to reel moment of torsion, moment of torsion is large; And shell is connected to form by ring gear III, retarder connecting flange C, ring gear II, retarder connecting flange B, single part design is easily manufactured, reduces manufacture difficulty and cost, and is conducive to installation in later stage using process, maintenance.
The flange plate of planet carrier III has the axis hole passed for holding planet carrier shaft III, and on the circumferential surface of flange plate, be drilled with the fastening screw hole being communicated with this axis hole, planet carrier III is connected with planet carrier shaft III reliably, not easily rub in running and turn.
Accompanying drawing explanation
Fig. 1 is the utility model freely falling body winch reducer structure schematic diagram.
Embodiment
As shown in Figure 1, third-level planetary assembly, secondary planet assembly, primary planet assembly, retarder connecting flange C16, retarder connecting flange B15, retarder connecting flange A14 is comprised.
Third-level planetary assembly comprises ring gear III 131, sun gear III 132, planet wheel III 133, planet carrier III 134, planet carrier shaft III 135, ring gear III 131 and sun gear III 132 are coaxially arranged, the planet wheel III 133 engaged with ring gear III 131 and sun gear III 132 while of being distributed with several in annular chamber between ring gear III 131 and sun gear III 132, the center of each planet wheel III 133 is provided with planet carrier shaft III 135, and the right-hand member of each planet carrier shaft III 135 is connected by planet carrier III 134.
Secondary planet assembly comprises ring gear II 121, sun gear II 122, planet wheel II 123, planet carrier II 124, planet carrier shaft II 125, ring gear II 121 and sun gear II 122 are coaxially arranged, the planet wheel II 123 engaged with ring gear II 121 and sun gear II 122 while of being distributed with several in annular chamber between ring gear II 121 and sun gear II 122, the center of each planet wheel II 123 is provided with planet carrier shaft II 125, and being connected and fixed with planet carrier II 124 of each planet carrier shaft II 125.
Primary planet assembly comprises ring gear I 111, sun wheel shaft I 112, planet wheel I 113, planet carrier I 114, planet carrier shaft I 115, ring gear I 111 and sun wheel shaft I 112 are coaxially arranged, the planet wheel I 113 engaged with ring gear I 111 and sun gear I 112 while of being distributed with several in annular chamber between ring gear I 111 and sun gear I 112, the center of each planet wheel I 113 is provided with planet carrier shaft I 114, and being connected and fixed with planet carrier I 115 of each planet carrier shaft I 114.
In the utility model:
Ring gear III 131 outer peripheral surface has a flange arrangement for being connected and fixed with reel end face; Sun gear III 132 one end is engaged with planet wheel III 133, and the other end engages with the end of planet carrier II 124 transmission realized between secondary planet assembly and third-level planetary assembly by gear structure.
Sun gear II 122 one end is engaged with planet wheel II 123, and the other end engages with the end of planet carrier I 114 transmission realized between primary planet assembly and secondary planet assembly by gear structure.
Ring gear III 131, retarder connecting flange C16, ring gear II 121, retarder connecting flange B15 connect to form speed reducer housing successively by bolt from left to right;
One end of ring gear I 111 is connected with the retarder connecting flange A14 being positioned at retarder connecting flange B15, between retarder connecting flange B15 and retarder connecting flange A14, the first block bearing is set, the center of this retarder adpting flange A14 has one for exporting with freely falling body break the splined hole that axle key is connected, and is provided with the second block bearing between retarder connecting flange C16 and planet carrier III 134; Sun gear II 122 and sun gear III 132 center all have the through hole that an edge is axially arranged separately, the left end of sun wheel shaft I 112 is the spline structure for being connected with winch Parking Brake spline housing key, and this spline structure passes the through hole at sun gear II 122 and sun gear III 132 center successively and stretches out.
Planet carrier III 134 is one coaxially to be arranged by the sleeve pipe for supporting the second block bearing and the flange plate for connecting planet carrier shaft III 135 and form, flange plate has the axis hole passed for holding planet carrier shaft III 135, and on the circumferential surface of flange plate, is drilled with the fastening screw hole being communicated with this axis hole.Planet carrier shaft III 135 is fixed in the axis hole of planet carrier III 134 by fastening screw 136.
In addition, retarder also comprises the fixed base 17 of a ledge structure, the right side of this fixed base has the hole holding planet carrier shaft III 135 left end and stretch into, the outer surface left side of fixed base 17 is provided with the flange arrangement for being connected with winch left socle, fixed base outer surface right-hand part is positioned at inside ring gear III, and at ring gear III and fixed base set of time the 3rd block bearing.
Working principle:
The spline structure that sun wheel shaft I left end of primary planet assembly is connected with winch Parking Brake spline housing key, sun wheel shaft I is driven to rotate by spline housing, and then drive the rotation of each planet wheel I, the planet wheel I rotated drives planet carrier I to rotate, and utilizes planet carrier I by transmission of power to the sun gear II of secondary planet assembly;
The sun gear II of secondary planet assembly drives planet wheel II to rotate around it, and planet wheel II drives ring gear II rotation simultaneously, because ring gear II is a part for speed reducer housing, and then drives the lifting drum be connected with speed reducer housing to rotate; Planet wheel II drives planet carrier II to rotate while rotation, and utilizes planet carrier II by transmission of power to the sun gear III of third-level planetary assembly;
The sun gear III of third-level planetary assembly drives planet wheel III to rotate around it, and planet wheel III drives ring gear III rotation simultaneously, because ring gear III is a part for speed reducer housing, and then drives the lifting drum be connected with speed reducer housing to rotate; Be with movable reel by secondary and third-level planetary assembly simultaneously, and then realize the transmission of dual planetary gear to reel moment of torsion, moment of torsion is large, stable, reliable.
Claims (2)
1. a freely falling body winch retarder, is characterized in that: comprise third-level planetary assembly, secondary planet assembly, primary planet assembly, retarder connecting flange C, retarder connecting flange B, retarder connecting flange A;
Third-level planetary assembly comprises ring gear III, sun gear III, planet wheel III, planet carrier III, planet carrier shaft III, described ring gear III and sun gear III are coaxially arranged, the planet wheel III engaged with ring gear III and sun gear III while of being distributed with several in annular chamber between ring gear III and sun gear III, the center of each planet wheel III is provided with planet carrier shaft III, and the right-hand member of each planet carrier shaft III is connected by planet carrier III;
Secondary planet assembly comprises ring gear II, sun gear II, planet wheel II, planet carrier II, planet carrier shaft II, described ring gear II and sun gear II are coaxially arranged, the planet wheel II engaged with ring gear II and sun gear II while of being distributed with several in annular chamber between ring gear II and sun gear II, the center of each planet wheel II is provided with planet carrier shaft II, and being connected and fixed with planet carrier II of each planet carrier shaft II;
Primary planet assembly comprises ring gear I, sun wheel shaft I, planet wheel I, planet carrier I, planet carrier shaft I, described ring gear I and sun wheel shaft I are coaxially arranged, the planet wheel I engaged with ring gear I and sun gear I while of being distributed with several in annular chamber between ring gear I and sun gear I, the center of each planet wheel I is provided with planet carrier shaft I, and being connected and fixed with planet carrier I of each planet carrier shaft I;
Ring gear III outer peripheral surface has a flange arrangement for being connected and fixed with reel end face;
Sun gear III one end is engaged with planet wheel III, and the other end engages with the end of planet carrier II transmission realized between secondary planet assembly and third-level planetary assembly by gear structure;
Sun gear II one end is engaged with planet wheel II, and the other end engages with the end of planet carrier I transmission realized between primary planet assembly and secondary planet assembly by gear structure;
Described ring gear III, retarder connecting flange C, ring gear II, retarder connecting flange B connect to form speed reducer housing successively by bolt from left to right; One end of ring gear I is connected with the retarder connecting flange A being positioned at retarder connecting flange B, between retarder connecting flange B and retarder connecting flange A, the first block bearing is set, the center of this retarder adpting flange A has one for exporting with freely falling body break the splined hole that axle key is connected, and is provided with the second block bearing between retarder connecting flange C and planet carrier III;
Described sun gear II and sun gear III center all have the through hole that an edge is axially arranged separately, the left end of sun wheel shaft I is the spline structure for being connected with winch Parking Brake spline housing key, and this spline structure passes the through hole at sun gear II and sun gear III center successively and stretches out.
2. freely falling body winch retarder according to claim 1, it is characterized in that: described planet carrier III is one coaxially to be arranged by the sleeve pipe for supporting the second block bearing and the flange plate for connecting planet carrier shaft III and form, flange plate has the axis hole passed for holding planet carrier shaft III, and on the circumferential surface of flange plate, is drilled with the fastening screw hole being communicated with this axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810575.XU CN205155091U (en) | 2015-10-20 | 2015-10-20 | Free fall is reduction gear for hoist engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810575.XU CN205155091U (en) | 2015-10-20 | 2015-10-20 | Free fall is reduction gear for hoist engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155091U true CN205155091U (en) | 2016-04-13 |
Family
ID=55690785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520810575.XU Expired - Fee Related CN205155091U (en) | 2015-10-20 | 2015-10-20 | Free fall is reduction gear for hoist engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952874A (en) * | 2016-07-15 | 2016-09-21 | 泸州邦立减速机有限责任公司 | Planetary reducer |
-
2015
- 2015-10-20 CN CN201520810575.XU patent/CN205155091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952874A (en) * | 2016-07-15 | 2016-09-21 | 泸州邦立减速机有限责任公司 | Planetary reducer |
| CN105952874B (en) * | 2016-07-15 | 2018-05-25 | 泸州邦立减速机有限责任公司 | Planetary reducer |
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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 |
Granted publication date: 20160413 Termination date: 20161020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |