CN201448404U - Integrated double planetary reduction gear for coal mining machine on low coal seam - Google Patents
Integrated double planetary reduction gear for coal mining machine on low coal seam Download PDFInfo
- Publication number
- CN201448404U CN201448404U CN2009200339585U CN200920033958U CN201448404U CN 201448404 U CN201448404 U CN 201448404U CN 2009200339585 U CN2009200339585 U CN 2009200339585U CN 200920033958 U CN200920033958 U CN 200920033958U CN 201448404 U CN201448404 U CN 201448404U
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- China
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- level
- secondary planet
- planet wheel
- planetary reducer
- planetary reduction
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Abstract
The utility model discloses an integrated double planetary reduction gear for a coal mining machine on a low coal seam, which comprises a housing provided with openings on both top and bottom parts and mounted at the traction part of the coal mining machine, a power take-off shaft of a traction motor mounted into a housing cavity from top to bottom, a single planetary reduction gear sleeved on the power take-off shaft of the traction motor, and a double planetary reduction gear driving in combined with the single planetary reduction gear; both the single and the double planetary reduction gears are arranged coaxially with the power take-off shaft of the traction motor, and the double planetary reduction gear is arranged under the single planetary reduction gear; a gland is pressed at the top part of the single planetary reduction gear, and a bottom cap is mounted at the bottom part of the double planetary reduction gear. The utility model has the advantages of reasonable structural design, convenient installation and debugging as well as overhauling, and safe and reliable operation, and can effectively solve practical problems existing in using the prior planetary reduction gear at the traction part of the coal mining machine on a lower coal seam.
Description
Technical field
The utility model relates to a kind of coal winning machine planetary reducer, especially relates to a kind of low seam mining machinery integrated form twin-stage planetary reducer.
Background technique
Tractive unit final stage for domestic existing coal winning machine is slowed down, no matter be single-stage planetary gear reducer or Two-stage Planet Gear Reducer, all be in bulk in the tractive unit casing, though volume is little like this, but Installation and Debugging are very inconvenient, use, maintenance and dismounting are just more difficult, and especially just more difficult on the working surface of thinner seam, this almost is one of common fault of middle-size and small-size coal winning machine.
The model utility content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of low seam mining machinery integrated form twin-stage planetary reducer is provided, its reasonable in design, Installation and Debugging and open and inspect conveniently and safe and reliable to operation can effectively solve existing multiple practical problem in the existing thinner seam shearer hauled-part planetary reducer using process.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of low seam mining machinery integrated form twin-stage planetary reducer is characterized in that: comprise be installed on the shearer hauled-part and up and down all the housing of opening, from top to bottom pack into the housing inner chamber the traction electric machine pto, be sleeved on the one-level planetary reducer on the traction electric machine pto and cooperate the second planetary reducer that carries out transmission with described one-level planetary reducer; Described one-level planetary reducer and second planetary reducer all with the coaxial setting of traction electric machine pto, and described second planetary reducer is positioned under the one-level planetary reducer; Described one-level planetary reducer top is pressed with gland and bottom is equipped with in described second planetary reducer bottom.
Described one-level planetary reducer comprises the one-level planetary annular that is sleeved in the housing, a plurality of one-level planet wheel shaft that evenly is laid in the traction electric machine pto outside, be sleeved on the one-level planet wheel shaft and the one-level planet wheel that is meshed with the one-level planetary annular and be sleeved on primary planet carrier on the traction electric machine pto; Described one-level planet wheel shaft and suit one-level planet wheel is thereon formed an one-level planetary gear speed reducing mechanism; Be connected by the one-level planetary bearing between described one-level planet wheel and one-level planet wheel shaft;
Described second planetary reducer comprises the secondary planet ring gear that is sleeved in the housing, a plurality of secondary planet wheel shaft that evenly is laid in the traction electric machine pto outside, be sleeved on the secondary planet wheel shaft and the secondary planet that is meshed with secondary planet ring gear wheel and be sleeved on secondary planet frame on the traction electric machine pto; Described secondary planet wheel shaft and suit secondary planet wheel is thereon formed a secondary planet reducing gear; Described secondary planet wheel is connected by the secondary planet bearing with secondary planet wheel between centers;
Described secondary planet ring gear is positioned under the one-level planetary annular and the two is fixedly connected, all is connected by connecting pin between one-level planetary annular and gland and between secondary planet ring gear and bottom.
The quantity of described one-level planetary gear speed reducing mechanism is three.
The quantity of described secondary planet reducing gear is four.
Between described gland and the primary planet carrier, between primary planet carrier and the secondary planet frame and all be lined with supporting sleeve between secondary planet frame and the bottom.
Described bottom below spiral-lock has lower end cap, and lower end cap is by being bolted on the housing.
The utility model compared with prior art has the following advantages:
1, novel in design reasonable and practical, traditional twin-stage planetary reducer independent separate from the tractive unit of coal winning machine is come out, be designed to a whole retarder, install, debugging good after again level push in the cross-drilled hole of tractive unit casing, thereby dismounting is very convenient, maintenance then can integral body be transported to aboveground carrying out, thereby has both satisfied designing requirement, has solved a series of uses, maintenance issues such as dismounting, maintenance.Thereby the utility model is convenient to Installation and Debugging, is opened and inspect, and has solved the troublesome problem that type is safeguarded and the use midium or long term exists in the past.
2, adopt twin-stage planetary reduction gear structure and be pair floating structures, and adopt three planet wheels of one-level planetary gear speed reducing mechanism design, the Gear Planet Transmission structure of four planet wheels of secondary planet reducing gear design has been properly settled the problem that thinner seam shearer hauled-part planetary reducer volume is little, speed ratio is big, intensity is high; Its pair floating structure can guarantee that retarder is having the installation precision error slightly or having under the situation of certain accuracy of manufacturing error, also installation and operation preferably; Simultaneously, design the overload protection axle in the reducer output shaft hole and adopted the optimal design of equal strength component, thereby can guarantee that the inner all driving components of tractive unit are difficult for overload and damage, made it safe operation.
3, optimal design, hard and soft combination, reduced fault point and safe and reliable to operation, helped further promoting the use of.
In sum, the utility model reasonable in design, Installation and Debugging and open and inspect conveniently and safe and reliable to operation can effectively solve existing multiple practical problem in the existing thinner seam shearer hauled-part planetary reducer using process.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Description of reference numerals:
The 1-gland; The 2-lower end cap; The 3-bottom;
The 4-housing; 5-supporting sleeve one; 6-supporting sleeve two;
The 7-primary planet carrier; 8-one-level planet wheel; 9-one-level planetary bearing;
10-one-level planet wheel shaft; 11-one-level planetary annular; 12-secondary planet frame;
13-secondary planet wheel; 14-secondary planet bearing; 15-secondary planet wheel shaft;
16-secondary planet ring gear; The 17-connecting pin; 18-traction electric machine pto;
19-supporting sleeve three; The 20-bolt.
Embodiment
As shown in Figure 1, the utility model comprise be installed on the shearer hauled-part and up and down all the housing 4 of opening, from top to bottom pack into housing 4 inner chambers traction electric machine pto 18, be sleeved on the one-level planetary reducer on the traction electric machine pto 18 and cooperate the second planetary reducer that carries out transmission with described one-level planetary reducer.Described one-level planetary reducer and second planetary reducer all with the 18 coaxial settings of traction electric machine pto, and described second planetary reducer is positioned under the one-level planetary reducer; Described one-level planetary reducer top is pressed with gland 1 and bottom 3 is equipped with in described second planetary reducer bottom.In the axis hole of the retarder pto that described second planetary reducer middle part is installed the overload protection axle is installed.
Described one-level planetary reducer comprises the one-level planetary annular 11 that is sleeved in the housing 4, a plurality of one-level planet wheel shafts 10 that evenly are laid in traction electric machine pto 18 outsides, being sleeved on the one-level planet wheel shaft 10 and forming an one-level planetary gear speed reducing mechanism with primary planet carrier 7. described one-level planet wheel shafts 10 and suit one-level planet wheel 8 thereon on being sleeved on traction electric machine pto 18 with the one-level planet wheel 8 that one-level planetary annular 11 is meshed. 10 of described one-level planet wheel 8 and one-level planet wheel shafts are connected by one-level planetary bearing 9.
Described second planetary reducer comprises the secondary planet ring gear 16 that is sleeved in the housing 4, a plurality of secondary planet wheel shaft 15 that evenly is laid in traction electric machine pto 18 outsides, be sleeved on the secondary planet wheel shaft 15 and the secondary planet that is meshed with secondary planet ring gear 16 wheel 13 and be sleeved on secondary planet frame 12 on the traction electric machine pto 18.Described secondary planet wheel shaft 15 and suit secondary planet wheel 13 is thereon formed a secondary planet reducing gear.15 on described secondary planet wheel 13 and secondary planet wheel shaft are connected by secondary planet bearing 14.
Described secondary planet ring gear 16 is positioned under the one-level planetary annular 11 and the two is fixedly connected, and one-level planetary annular 11 all is connected by connecting pin 17 with 3 of bottoms with 1 on gland and secondary planet ring gear 16.
In the present embodiment, the quantity of described one-level planetary gear speed reducing mechanism is three, and the quantity of described secondary planet reducing gear is four.That is to say that the spacing that the quantity of described one-level planet wheel shaft 10 and suit one-level planet wheel 8 thereon is 10 of three and adjacent two one-level planet wheel shafts all equates; The spacing that the quantity of described secondary planet wheel shaft 15 and suit secondary planet wheel 13 thereon is 15 on four and adjacent two secondary planet wheel shafts all equates.
Between described gland 1 and the primary planet carrier 7, all be lined with supporting sleeve between 15 on the secondary planet wheel shaft of primary planet carrier 7 and secondary planet frame 12 and secondary planet frame 12 and the bottom 3.Described bottom 3 below spiral-locks have lower end cap 2, and lower end cap 2 is fixed on the housing 4 by bolt 20.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (6)
1. low seam mining machinery integrated form twin-stage planetary reducer is characterized in that: comprise be installed on the shearer hauled-part and up and down all the housing (4) of opening, from top to bottom pack into housing (4) inner chamber traction electric machine pto (18), be sleeved on the one-level planetary reducer on the traction electric machine pto (18) and cooperate the second planetary reducer that carries out transmission with described one-level planetary reducer; Described one-level planetary reducer and second planetary reducer all with the coaxial setting of traction electric machine pto (18), and described second planetary reducer is positioned under the one-level planetary reducer; Described one-level planetary reducer top is pressed with gland (1) and bottom (3) is equipped with in described second planetary reducer bottom.
2. according to the described low seam mining machinery integrated form of claim 1 twin-stage planetary reducer, it is characterized in that: described one-level planetary reducer comprises the one-level planetary annular (11) that is sleeved in the housing (4), a plurality of one-level planet wheel shaft (10) that evenly is laid in traction electric machine pto (18) outside, be sleeved on that one-level planet wheel shaft (10) is gone up and the one-level planet wheel (8) that is meshed with one-level planetary annular (11) and be sleeved on primary planet carrier (7) on the traction electric machine pto (18); Described one-level planet wheel shaft (10) and suit one-level planet wheel (8) is thereon formed an one-level planetary gear speed reducing mechanism; Be connected by one-level planetary bearing (9) between described one-level planet wheel (8) and one-level planet wheel shaft (10);
Described second planetary reducer comprises the secondary planet ring gear (16) that is sleeved in the housing (4), a plurality of secondary planet wheel shaft (15) that evenly is laid in traction electric machine pto (18) outside, be sleeved on that secondary planet wheel shaft (15) is gone up and the secondary planet wheel (13) that is meshed with secondary planet ring gear (16) and be sleeved on secondary planet frame (12) on the traction electric machine pto (18); Described secondary planet wheel shaft (15) and suit secondary planet wheel (13) is thereon formed a secondary planet reducing gear; Be connected by secondary planet bearing (14) between described secondary planet wheel (13) and secondary planet wheel shaft (15);
Described secondary planet ring gear (16) is positioned under the one-level planetary annular (11) and the two is fixedly connected, all is connected by connecting pin (17) between one-level planetary annular (11) and gland (1) and between secondary planet ring gear (16) and bottom (3).
3. according to the described low seam mining machinery integrated form of claim 2 twin-stage planetary reducer, it is characterized in that: the quantity of described one-level planetary gear speed reducing mechanism is three.
4. according to claim 2 or 3 described low seam mining machinery integrated form twin-stage planetary reducers, it is characterized in that: the quantity of described secondary planet reducing gear is four.
5. according to claim 2 or 3 described low seam mining machinery integrated form twin-stage planetary reducers, it is characterized in that: between described gland (1) and the primary planet carrier (7), between primary planet carrier (7) and the secondary planet frame (12) and all be lined with supporting sleeve between secondary planet frame (12) and the bottom (3).
6. according to claim 1,2 or 3 described low seam mining machinery integrated form twin-stage planetary reducers, it is characterized in that: described bottom (3) below spiral-lock has lower end cap (2), and lower end cap (2) is fixed on the housing (4) by bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200339585U CN201448404U (en) | 2009-07-21 | 2009-07-21 | Integrated double planetary reduction gear for coal mining machine on low coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200339585U CN201448404U (en) | 2009-07-21 | 2009-07-21 | Integrated double planetary reduction gear for coal mining machine on low coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448404U true CN201448404U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200339585U Expired - Lifetime CN201448404U (en) | 2009-07-21 | 2009-07-21 | Integrated double planetary reduction gear for coal mining machine on low coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
-
2009
- 2009-07-21 CN CN2009200339585U patent/CN201448404U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
| CN102287185B (en) * | 2011-07-16 | 2013-11-06 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |