CN201915958U - Rocker drum transmission structure of drum shearer - Google Patents
Rocker drum transmission structure of drum shearer Download PDFInfo
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- CN201915958U CN201915958U CN2010206935240U CN201020693524U CN201915958U CN 201915958 U CN201915958 U CN 201915958U CN 2010206935240 U CN2010206935240 U CN 2010206935240U CN 201020693524 U CN201020693524 U CN 201020693524U CN 201915958 U CN201915958 U CN 201915958U
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- rocking arm
- row
- pivoting support
- spraying
- roller pivoting
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Abstract
The utility model belongs to the field of shearers, particularly relates to a rocker drum transmission structure of a drum shearer. Transmission efficiency is improved to achieve energy conservation and emission reduction by simplifying a transmission chain structure. Drums and a rocker are connected in a transmission manner through three rows of roller slewing bearings, the inner circles of the three rows of roller slewing bearings are fixed to the rocker, and the cutting drums are fixed the outer circles of the three rows of roller slewing bearings. Pitch diameters of outer gears of the three rows of roller slewing bearings are enlarged mainly, input torque of driving gears can be multiply reduced while cutting forces of the drums are equal, and further transmission ratio of a fixed axis gear train is increased, the transmission chain structure is simplified (primary planet gear transmission is omitted, primary fixed axis gear transmission is omitted, and tertiary coordinated idler transmission is also omitted), and transmission reliability is improved and processing difficulty of a rocker casing is reduced since the drums are directly fixed to a large-sized slewing bearing capable of bearing various loads.
Description
Technical field
The utility model belongs to the coal-winning machine field, is specially a kind of rocking arm cylinder drive mechanism that is used for high-power major diameter flitting.
Background technology
Coal-winning machine was the nucleus equipment of fully-mechanized mining working; rocking arm cylinder drive mechanism is the important ingredient of coal-winning machine; the required power of cutting drum accounts for complete machine power about 80%; high-power coal cutter complete machine power reaches 3MW at present; by operation in a day 12 hours, and power consumption 36000 degree electricity improve transmission efficiency; just can reach and reduce the cutting motor input power, just equal energy-saving and emission-reduction; The processing of rocking arm housing is the most unmanageable foundry goods in the whole coal-winning machine, also is very crucial parts, because very tight apart from tolerance between the Kong Yukong, processing charges is very high, reduce the quantity in hole, just equal to reduce difficulty of processing, save processing charges.
The utility model content
One of the utility model purpose is to provide a kind of rocking arm cylinder drive mechanism of flitting, by simplifying the driving-chain structure, improves transmission efficiency, reduces the cutting motor power output, and then reaches energy-saving and emission-reduction.
Two of the utility model purpose is to provide a kind of rocking arm cylinder drive mechanism of flitting, reduces the processing quantity of the gear hole on the rocking arm, reduces the difficulty of processing of rocking arm.
The rocking arm cylinder drive mechanism that three of the utility model purpose is to provide a kind of flitting saves 3 idle pulleys and one-level planetary mechanism, and the one-level fixed shaft gear train has reduced assembly difficulty, has also saved cost simultaneously.
The technical solution of the utility model is:
A kind of rocking arm cylinder drive mechanism of flitting, this structure is provided with cylinder, rocking arm, be in transmission connection by three row's roller pivoting support bearings between cylinder, the rocking arm, three row's roller pivoting support bearing inner rings are fixed on the rocking arm, and cutting drum is fixed in three row's roller pivoting support bearing outer rings.
The rocking arm cylinder drive mechanism of described flitting, three row's roller pivoting support bearings adopt major diameter external gear three row's roller pivoting support bearings, and the external gear reference diameter scope of three row's roller pivoting support bearings is ￠ 1400mm-1650mm.
The rocking arm cylinder drive mechanism of described flitting, also comprise motor, epicyclic transmission mechanism, motor is fixed on the rocking arm, and motor directly is connected with epicyclic transmission mechanism, and the epicyclic transmission mechanism output gear directly meshes with three external gears of arranging the roller pivoting support bearings.
The rocking arm cylinder drive mechanism of described flitting, motor adopts 3300 volts of hv explosion-proof motors.
The rocking arm cylinder drive mechanism of described flitting, the external gear of the output gear of epicyclic transmission mechanism and three row's roller pivoting support bearings is formed the one-level fixed shaft gear train, and the external toothing of epicyclic transmission mechanism is bearing on the rocking arm housing by the tensioner cover.
The rocking arm cylinder drive mechanism of described flitting, epicyclic transmission mechanism adopt the floating solar wheel, and the floating solar wheel adopts spline to be connected with motor output shaft, and driving wheel is installed on the planet tumbler shaft.
The rocking arm cylinder drive mechanism of described flitting, also comprise rotating spraying mechanism, rotating spraying mechanism is provided with rotating spraying axle, spraying rotation circle, spraying pivoted arm connecting rod, the rotating spraying axle of rotating spraying mechanism is fixed on the rocking arm, the rotating spraying axle is in transmission connection by bearing and spraying rotation circle, spraying rotation circle is connected with three row's roller pivoting support bearing outer rings by spraying pivoted arm connecting rod, the glue pipe is communicated with water channel in the rotating spraying axle, between spraying rotation circle and the rotating spraying axle water rotatory sealing is set.
The rocking arm cylinder drive mechanism of described flitting, three row's roller pivoting support bearing inner rings communicate with the bearing oil fuel tube, and the bearing oil fuel tube is fixed on the rocking arm, regularly gives the bearing oiling by grease gun; The oil injection spray pipe communicates with oil pump, and the power source of oil pump drives a gear by three row's roller pivoting support bearing external gears, is input on the oil pump shaft.
The beneficial effects of the utility model are:
1, the utility model has utilized major diameter cutting drum diameter feature, changed conventional rocker driving-chain project organization, can amplify afterbody driven gear reference diameter more than 4 times, make the gearratio of afterbody reach 12, simplify the driving-chain structure, new drive mechanism is simplified the one-level Gear Planet Transmission, the one-level dead axle, coordinate the idle gear transmission for three grades, save 10 gear pairs and 5 pairs of bearings, thus machinery driving efficiency, improve more than 10%, under the situation that guarantees same cylinder power output, reduced power input to a machine, reach purpose of energy saving.
2, the utility model has been simplified the difficulty of processing of rocking arm housing, (motor hole, 3 are installed to be coordinated the idle pulley axis hole, connects the planetary mechanism hole by 6 original macropores, one-level fixed shaft gear train hole) is reduced to a macropore (the motor hole is installed) and an aperture (the internal spraying system hole is installed), sees Fig. 1 and Fig. 2.
3, the utility model drive mechanism saves the primary planet pinion transmission, three grades of transition wheels, and the transmission of one-level fixed axis gear has improved reliable transmission.
4, the utility model has been simplified drive mechanism, when reducing casting and difficulty of processing, has also reduced assembly difficulty, improves efficiency of assembling.
When 5, the utility model was safeguarded Gear Planet Transmission in the down-hole, under the situation of not unloading cylinder, the one-level epicyclic transmission mechanism was pulled down together with motor, thereby was convenient to safeguard.
6, the utility model directly is installed on cylinder on the floating bearing of three row's rollers that can bear various heavy load, has improved reliable transmission.
Description of drawings
Fig. 1 is that cutting drum is connected outward appearance with rocking arm and always schemes.
Fig. 2 is the revolved sectional view of Fig. 1.
Fig. 3 is the inner zoomed-in view that connects of cylinder.
Fig. 4 is the inner fixed shaft gear train zoomed-in view of cylinder.
Fig. 5 is the epicyclic transmission mechanism zoomed-in view.
Fig. 6 is a rotating spraying mechanism view.
Fig. 7 is the mounting structure figure of rotating spraying mechanism.
Fig. 8 is that the B of rotating spraying mechanism is to view.
Among the figure, 101 cylinders; 102 rocking arms; 103 motors; 104 epicyclic transmission mechanisms; 105 3 row's roller pivoting support bearings; 106 rotating spraying mechanisms; 107 3 row's roller pivoting support bearing inner rings; 108 3 row roller pivoting support bearing outer rings (band tooth); 109 driving wheels; 110 rotating seal rings; 111 motor output shafts; 112 rocking arm housings; 113 tensioner covers; 114 planet tumbler shafts; 115 oily injection spray pipes; 116 floating solars wheel; 117 water channels; 118 bearing oil fuel tubes; 119 spraying pivoted arm connecting rods; 120 spraying rotation circles; 121 spraying axle base plates; 122 rotating spraying axles; 123 bearings; 124 glue pipes; 125 water rotatory sealings; 126 planetary mechanism external toothings.
The specific embodiment
Shown in Fig. 1-8, the rocking arm cylinder drive mechanism of the utility model high-power coal cutter mainly comprises: cylinder 101; rocking arm 102; motor 103; epicyclic transmission mechanism 104; three row's roller pivoting support bearings 105; rotating spraying mechanism 106; three row's roller pivoting support bearing inner rings 107; three row's roller pivoting support bearing outer rings 108; driving wheel 109; rotating seal ring 110; motor output shaft 111; rocking arm housing 112; tensioner cover 113; planet tumbler shaft 114; oily injection spray pipe 115; floating solar wheel 116; water channel 117; bearing oil fuel tube 118; spraying pivoted arm connecting rod 119; spraying rotation circle 120; spraying axle base plate 121; rotating spraying axle 122; bearing 123; glue pipe 124; water rotatory sealing 125; planetary mechanism external toothing 126 etc., and concrete structure is as follows:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, be in transmission connection by three row's roller pivoting support bearings 105 between cylinder 101, the rocking arm 102, three row's roller pivoting support bearing inner rings 107 are fixed on the rocking arm 102, cutting drum 101 is fixed on three row's roller pivoting support bearing outer rings 108, and three row's roller pivoting support bearing outer rings 108 drive epicyclic transmission mechanism 104 transmissions by 3300 volts of hv explosion-proof motors 103.Motor 103 is fixed on the rocking arm 102, motor 103 directly is connected with epicyclic transmission mechanism 104, epicyclic transmission mechanism 104 output gears (driving wheel 109) directly mesh with three external gears of arranging roller pivoting support bearings 105, rotating seal ring 110 is arranged in the oil seal groove of cylinder 101 endoporus, form rotatory sealing between rotating seal ring 110 and the rocking arm 102, its effect is to prevent inner lubrication oil to external leakage, and the coal dust that also prevents simultaneously enters in the oil pocket.
As shown in Figure 4 and Figure 5, the output gear of epicyclic transmission mechanism 104 (driving wheel 109) is formed the one-level fixed shaft gear train with the external gear (driven pulley) of three row's roller pivoting support bearings 105, epicyclic transmission mechanism external toothing 126 is bearing on the rocking arm housing 112 by tensioner cover 113 (making epicyclic transmission mechanism external toothing 126 and cooperating of hole reach the zero clearance), to reduce fixed shaft gear train driving wheel jib-length, epicyclic transmission mechanism 104 adopts floating solar wheel 116, floating solar wheel 116 adopts spline to be connected with motor output shaft 111, motor output shaft 111 is connected with planet tumbler shaft 114, driving wheel 109 is installed on the planet tumbler shaft 114, oil injection spray pipe 115 is fixed on the rocking arm 102, the spout of oil injection spray pipe 115 is facing to the engagement place of driving wheel 109 and three row's roller pivoting support bearings 105, and its effect is to gear lubrication.
As Fig. 2, Fig. 6, Fig. 7 and shown in Figure 8, the rotating spraying axle 122 of rotating spraying mechanism 106 (there is water channel 117 centre) is fixed on the rocking arm 102, rotating spraying axle 122 is in transmission connection by bearing 123 and spraying rotation circle 120, spraying rotation circle 120 is connected with three row's roller pivoting support bearing outer rings 108 by spraying pivoted arm connecting rod 119, spraying rotation circle 120 rotates with cylinder 101 with three row's roller pivoting support bearing outer rings 108, glue pipe 124 is communicated with water channel 117 in the rotating spraying axle 122, between spraying rotation circle 120 and the rotating spraying axle 122 water rotatory sealing 125 is set, the top of rotating spraying mechanism is provided with spraying axle base plate 121 on cylinder 101, three row's roller pivoting support bearing inner rings 107 communicate with bearing oil fuel tube 118, and are regularly grease-added; The oil that adopts oil pump to get is given driving wheel 109 oil foglubrications, and the power source of oil pump can drive a gear by three row's roller pivoting support bearings, 105 external gears, is input on the oil pump shaft, and oil pump oil derives from lubricated oil (carrying out circulating lubricating).
In the utility model, three row's roller pivoting support bearings 105 adopt major diameter external gear three row's roller pivoting support bearings, the external gear reference diameter of three row's roller pivoting support bearings 105 is compared with the gear compound graduation circular diameter of the last level of traditional design and is amplified more than 4 times, the external gear reference diameter scope of three row's roller pivoting support bearings 105 is ￠ 1400-1650mm., three row's roller pivoting support bearings of major diameter external gear can bear various load simultaneously, are specially adapted to larger-diameter heavy-duty machinery.
Assembling of the present utility model and maintenance process are as follows:
The first step: epicyclic transmission mechanism 104 is assembled, and driving wheel 109 is not adorned earlier, and epicyclic transmission mechanism 104 is connected with motor 103 then, sees Fig. 2,5;
Second step: three row's roller pivoting support bearings 105 are fixed on the rocking arm 102, see Fig. 2,3,4;
The 3rd step: the first step is obtained parts pack on the manufactured rocking arm hole, use bolt, see Fig. 3,4,5;
The 4th step: driving wheel 109 is loaded onto, seen Fig. 4;
The 5th step: epicyclic transmission mechanism 104 external fixation covers are loaded onto, and adjusting tensioner again, to overlap 113 gaps be zero, sees Fig. 5;
The 6th step: cylinder 101 is loaded onto, seen Fig. 2,3,4;
The 7th step: the rotary part of rotating spraying mechanism 106 is loaded onto, seen Fig. 2,6,7,8.
When epicyclic transmission mechanism 104 goes wrong, open earlier and be convenient to dismounting plug (seeing 4,5) on the cylinder 101, unload the axle head baffle plate of driving wheel 109, again the bolt of fixed electrical machinery 103 is pulled down, motor 103 and epicyclic transmission mechanism 104 are extracted out together.
When three row's roller pivoting support bearings 105 have problem, cylinder 101 must be pulled down, tear three row's roller pivoting support bearings 105 again open.
Claims (8)
1. the rocking arm cylinder drive mechanism of a flitting, it is characterized in that: this structure is provided with cylinder, rocking arm, be in transmission connection by three row's roller pivoting support bearings between cylinder, the rocking arm, three row's roller pivoting support bearing inner rings are fixed on the rocking arm, and cutting drum is fixed in three row's roller pivoting support bearing outer rings.
2. according to the rocking arm cylinder drive mechanism of the described flitting of claim 1, it is characterized in that: three row's roller pivoting support bearings adopt major diameter external gear three row's roller pivoting support bearings, and the external gear reference diameter scope of three row's roller pivoting support bearings is ￠ 1400mm-1650mm.
3. according to the rocking arm cylinder drive mechanism of the described flitting of claim 1, it is characterized in that: also comprise motor, epicyclic transmission mechanism, motor is fixed on the rocking arm, motor directly is connected with epicyclic transmission mechanism, and the epicyclic transmission mechanism output gear directly meshes with three external gears of arranging the roller pivoting support bearings.
4. according to the rocking arm cylinder drive mechanism of the described flitting of claim 3, it is characterized in that: motor adopts 3300 volts of hv explosion-proof motors.
5. according to the rocking arm cylinder drive mechanism of the described flitting of claim 3, it is characterized in that: the external gear of the output gear of epicyclic transmission mechanism and three row's roller pivoting support bearings is formed the one-level fixed shaft gear train, and the external toothing of epicyclic transmission mechanism is bearing on the rocking arm housing by the tensioner cover.
6. according to the rocking arm cylinder drive mechanism of the described flitting of claim 3, it is characterized in that: epicyclic transmission mechanism adopts the floating solar wheel, and the floating solar wheel adopts spline to be connected with motor output shaft, and driving wheel is installed on the planet tumbler shaft.
7. according to the rocking arm cylinder drive mechanism of the described flitting of claim 1, it is characterized in that: also comprise rotating spraying mechanism, rotating spraying mechanism is provided with the rotating spraying axle, spraying rotation circle, spraying pivoted arm connecting rod, the rotating spraying axle of rotating spraying mechanism is fixed on the rocking arm, the rotating spraying axle is in transmission connection by bearing and spraying rotation circle, spraying rotation circle is connected with three row's roller pivoting support bearing outer rings by spraying pivoted arm connecting rod, the glue pipe is communicated with water channel in the rotating spraying axle, between spraying rotation circle and the rotating spraying axle water rotatory sealing is set.
8. according to the rocking arm cylinder drive mechanism of the described flitting of claim 1, it is characterized in that: three row's roller pivoting support bearing inner rings communicate with the bearing oil fuel tube, and the bearing oil fuel tube is fixed on the rocking arm, regularly gives the bearing oiling by grease gun; The oil injection spray pipe communicates with oil pump, and the power source of oil pump drives a gear by three row's roller pivoting support bearing external gears, is input on the oil pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206935240U CN201915958U (en) | 2010-12-30 | 2010-12-30 | Rocker drum transmission structure of drum shearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206935240U CN201915958U (en) | 2010-12-30 | 2010-12-30 | Rocker drum transmission structure of drum shearer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915958U true CN201915958U (en) | 2011-08-03 |
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ID=44415760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206935240U Expired - Fee Related CN201915958U (en) | 2010-12-30 | 2010-12-30 | Rocker drum transmission structure of drum shearer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562056A (en) * | 2012-01-30 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Small tooth difference type coal mining machine rocker arm |
| CN103352698A (en) * | 2013-06-17 | 2013-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Drum shearer rocker arm device |
-
2010
- 2010-12-30 CN CN2010206935240U patent/CN201915958U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562056A (en) * | 2012-01-30 | 2012-07-11 | 郑州四维机电设备制造有限公司 | Small tooth difference type coal mining machine rocker arm |
| CN103352698A (en) * | 2013-06-17 | 2013-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Drum shearer rocker arm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20131230 |