CN208935334U - Mining gear-box - Google Patents
Mining gear-box Download PDFInfo
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- CN208935334U CN208935334U CN201821718410.XU CN201821718410U CN208935334U CN 208935334 U CN208935334 U CN 208935334U CN 201821718410 U CN201821718410 U CN 201821718410U CN 208935334 U CN208935334 U CN 208935334U
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- gear
- bearing
- cabinet
- shaft
- gear axis
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Abstract
The utility model discloses a kind of mining gear-boxes, including cabinet, and the case lid being set on cabinet；Transmission component is provided in cabinet；Transmission component includes the input shaft successively engaged, the first transmission shaft, second driving shaft and take-off (propeller) shaft；Input shaft is connected to motor.Present apparatus bearing capacity is high, small in size, the operation is stable, transmission efficiency are high.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, and in particular to a kind of mining gear-box.
Background technique
Gear-box is a kind of very important transmission device in mechanical movement, is installed on various mechanical parts, using model
It encloses very extensive；And when carrying out mining activity, due to needing very sufficient power in mining process, in the various of mining
In equipment, even more need to be promoted the transmission efficiency of power by installation gear-box, to meet the needs of mining.But existing tooth
Roller box can not reduce the volume of gear-box, and there is oil while promoting transmission efficiency when being applied on winning equipment
Wen Gao, noise are up to the problem of 90db and oil leak.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provides a kind of mining gear-box, can effectively solve existing
The problem of gearbox drive low efficiency, oil leak.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of mining gear-box, including cabinet, and the case lid being set on cabinet；Transmission component is provided in cabinet；
Transmission component includes the input shaft successively engaged, the first transmission shaft, second driving shaft and take-off (propeller) shaft；Input shaft and motor
Connection.
Further, input shaft includes the tooth set being connected to motor；One end of tooth set is connect by the first oil sealing with case lid,
The other end is embedded in the first end cover for being set to the bottom of box.
Further, the both ends of tooth set are provided with step；Socket is provided between step and the first oil sealing to put on tooth
Second bearing；First bearing is provided between first end cover and tooth set.
Further, the first transmission shaft includes first gear axis；First gear axis one end is connected by the second oil sealing and case lid
It connects, other end insertion is set in the second end cover of the bottom of box；And the engaged with tooth set is provided on first gear axis
One gear；The first key engaged therewith is provided in first gear.
Further, 3rd bearing is provided between the second oil sealing and first gear axis；Second end cover and first gear axis
Between be provided with fourth bearing；The first spacing being socketed on first gear axis is provided between first gear and fourth bearing
Ring.
Further, second driving shaft includes second gear axis；Second gear axis one end is connected by third oil sealing and case lid
It connects, other end insertion is set in the third end cap of the bottom of box；And it is provided on second gear axis and is nibbled with first gear axis
The second gear of conjunction；The second key engaged therewith is provided in second gear.
Further, 5th bearing is provided between third oil sealing and second gear axis；Third end cap and second gear axis
Between be provided with 6th bearing；The second spacing being socketed on second gear axis is provided between second gear and 5th bearing
Ring.
Further, take-off (propeller) shaft includes output shaft；Output shaft one end is connect by the 4th oil sealing with case lid, the other end
It is provided with the 4th end cap, and is connect by bolt with cabinet；And the third engaged with second gear axis is provided on output shaft
Gear；Third key engaged therewith is provided on third gear.
Further, 7th bearing is provided between the 4th oil sealing and output shaft；It is arranged between 4th end cap and output shaft
There is 8th bearing；It is socketed with above 7th bearing on output shaft, and is located at the set in case lid simultaneously.
Further, Ventilated cap is provided on case lid；Ventilated cap includes the connector sleeve being connected to case lid；Connector sleeve is far from case
One end of lid is provided with the crown being structure as a whole with connector sleeve；It is provided with the lever extended in connector sleeve on crown, and
It is provided on crown and passes through the nut being threadedly engaged with lever；And the part that lever extends in connector sleeve is socketed with steel mesh.
The utility model has the following beneficial effects:
1, the helical angle that the present apparatus increases gear makes bearing capacity high, reduces the rotational noise of gear-box, into
When row transmission, transmission efficiency is high, and stability is strong.
2, it by the first oil sealing, the second oil sealing, third oil sealing and the 4th oil sealing that are arranged in the present apparatus, and is set to
Ventilated cap on case lid can be effectively prevented the oil leakage in device, solve Leakage, meanwhile, Ventilated cap can also balance
Pressure inside and outside cabinet, prevents foreign object from entering.
3, oil level is turned down, and makes to reduce the energy loss for stirring oil in transmission, is improved the transmission efficiency of gear-box and is reduced gear
The temperature rise of case.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present apparatus；
Fig. 2 is the structural schematic diagram of input shaft；
Fig. 3 is the structural schematic diagram of the first transmission shaft；
Fig. 4 is the structural schematic diagram of second driving shaft；
Fig. 5 is the structural schematic diagram of take-off (propeller) shaft；
Fig. 6 is the structural schematic diagram of Ventilated cap.
Wherein, 1, input shaft；2, the first transmission shaft；3, second driving shaft；4, take-off (propeller) shaft；5, cabinet；6, case lid；7,
Ventilated cap；8, straight pin；9, steel mesh；10, the first washer；11, lens；12, the first O-ring；13, screw plug；14, hanging ring；15,
Nut；16, tooth set；17, gasket；18, the second O-ring；19, internal circlip；20, first bearing；21, first end cover；
22, second end cover；23, bolt；24, second packing ring；25, the first oil sealing；26, first gear axis；27, first gear；28, first
Distance collar；29, lever；30, second gear；31, fourth bearing；32, the first key；33, second gear axis；34, third end cap；
35, the second distance collar；36 crowns；37, third key；38,8th bearing；39, connector sleeve；40,6th bearing；41, the second key；
42, it covers；43, output shaft；44, third gear；45, the 4th end cap.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all are created using the utility model of the utility model design in the column of protection.
Embodiment
As shown in Figure 1, the mining gear-box, including cabinet 5 and the case lid 6 being covered on cabinet 5, case lid 6 and cabinet 5
Side is fixed by straight pin 8, and the other side is provided with the first washer 10 by bolt M12 between bolt M12 and case lid 6.
As shown in Figure 1, being provided with lens 11 on the side outer wall that cabinet 5 closes on input shaft 1, then closed in cabinet 5
The bottom of lens 11 by being threadedly engaged setting screw plug 13, and is provided with lift-off seal performance between screw plug 13 and cabinet 5
The first O-ring 12.
As shown in Figure 1, being movably set with transmission component in cabinet 5, which includes the input shaft successively engaged
1, the first transmission shaft 2, second driving shaft 3 and take-off (propeller) shaft 4, wherein input shaft 1 is connected to motor, take-off (propeller) shaft 4 and row
Walk mechanism connection.
As shown in Fig. 2, 1 rated input power P=6KW of the input shaft, is fully loaded with input speed n=1226rpm, zero load input
Revolving speed n=4800rpm, including tooth set 16, are made, containing external tooth, after carburizing and quenching is handled, the flank of tooth is hard of 20 CrMnMo
Degree is 58-62HRC, and internal spline uses INT18Zx1.5mx30Px6H (GB/T3478.1-2008), wherein internal spline and motor
Alienation spline fitted in shaft.
As shown in Fig. 2, one end of tooth set 16 is connect by the first oil sealing 25 with case lid 6, and in the first oil sealing 25 and tooth
The second bearing being socketed on tooth set 16 is provided between set 16 by interference fit, magnitude of interference is 0.005~0.015mm, is made
Obtaining tooth set 16 can rotate relative to case lid 6；The other end is embedded in the first end cover 21 for being set to 5 bottom of cabinet.
As illustrated in fig. 1 and 2, first end cover 21 extends to outside cabinet 5, and by fixed between bolt 23 and cabinet 5, and
Second packing ring 24 is provided between bolt 23 and cabinet 5, meanwhile, to enable tooth set 16 to rotate in cabinet 5, in first end
Lid 21 and tooth set 16 between by interference fit be provided be socketed on tooth set 16 on first bearing 20, magnitude of interference be 0.005~
0.015mm；In addition, to guarantee the fixation position between first bearing 20 and second bearing and tooth set 16, at the both ends of tooth set 16
It is provided with the step in convex shape, to limit to first bearing 20 and second bearing.
As shown in Fig. 2, successively being set in the inside that tooth set 16 closes on first end cover 21 along the direction far from first end cover 21
It is equipped with internal circlip 19 and gasket 17, meanwhile, it is lift-off seal performance, covers in gasket 17 and tooth and set between 16 inner walls
It is equipped with the second O-ring 18, as a result, under the cooperation of gasket 17, the 2nd O type circle 18 and internal circlip 19, Neng Gouyou
Effect ground comes the lubricating oil in device with air insulated, to prevent oil leak.
As shown in figure 3,2 rated input power P=6KW of the first transmission shaft, is fully loaded with input speed n=400rpm, it is unloaded defeated
Enter revolving speed n=1569rpm；It including the first gear axis 26 with external tooth, is made of 20CrMnMo, and passes through interference fit
Mode is socketed with first gear 27, magnitude of interference 0.02-0.05mm, meanwhile, it is provided in first gear 27 engaged therewith
First key 32, and first gear 27 is meshed with the external tooth of tooth set 16, forms the first cylindrical gear pair.
The technical parameter of first cylindrical gear pair are as follows: center is away from a=97mm, normal module 2.75mm, principal and subordinate's movable tooth number
More left-handed than 6 ° of 17/52, helical angle, first gear 27 gear width 20mm, 5 grades of accuracy class, the teeth portion warp of first gear 27
Carburizing and quenching, the Available Hardened Depth 0.4-0.7mm, tooth face hardness 58-62HRC, core hardness 33-48HRC, normal direction engagement side
Gap is 0.2~0.3mm.
As shown in figures 1 and 3,26 one end of first gear axis is connect by the second oil sealing with case lid 6, and in the second oil sealing and
The 3rd bearing being socketed on first gear axis 26 is provided with by interference fit between first gear axis 26, magnitude of interference is
0.005~0.015mm enables first gear axis 26 to rotate relative to case lid 6；Wherein, 3rd bearing is deep groove ball bearing
6307。
As shown in figures 1 and 3, the other end insertion of first gear axis 26 is set to the second end cover 22 of 5 bottom of cabinet, together
When, second end cover 22 passes through fixes between bolt 23 and cabinet 5, and second packing ring 24 is provided between bolt 23 and cabinet 5,
Meanwhile to enable first gear axis 26 to rotate in cabinet 5, matched between second end cover 22 and first gear axis 26 by interference
Conjunction is provided with the fourth bearing 31 being socketed on first gear axis 26, and magnitude of interference is 0.005~0.015mm, wherein fourth bearing
31 be deep groove ball bearing 6307.
It is socketed on first gear axis 26 as shown in figure 3, being also provided between first gear 27 and fourth bearing 31
First distance collar 28.
As shown in Figure 1 and Figure 4,3 rated input power P=6KW of the second driving shaft is fully loaded with input speed n=
98.5rpm, unloaded input speed n=385.5rpm, including have external tooth second gear axis 33, the second gear axis 33 by
20CrMnMo is made, and second gear 30 is socketed with by way of interference fit, magnitude of interference 0.02-0.05mm, meanwhile,
The second key 41 engaged therewith is provided in second gear 30, and second gear 30 is mutually nibbled with the external tooth on first gear axis 26
It closes, forms the second cylindrical gear pair.
The technical parameter of second cylindrical gear pair are as follows: the heart moves moving gear away from a=128mm, normal module 3.5mm, principal and subordinate
The gear width 30mm of gear ratio 15/57,10 ° of helical angle, second gear 30,6 grades of accuracy class, the teeth portion warp of second gear 30
Carburizing and quenching, the Available Hardened Depth 0.5-0.8mm, tooth face hardness 58-62HRC, core hardness 33-48HRC, normal direction engagement side
Gap is 0.15~0.25mm.
As shown in Figure 1 and Figure 4,33 one end of second gear axis is connect by third oil sealing with case lid 6, and in third oil sealing and
The 5th bearing being socketed on second gear axis 33 is provided with by interference fit between second gear axis 33, magnitude of interference is
0.005~0.015mm enables second gear axis 33 to rotate relative to case lid 6；Wherein, 5th bearing is deep groove ball bearing
6309。
As shown in Figure 1 and Figure 4, the other end insertion of second gear axis 33 is set to the third end cap 34 of 5 bottom of cabinet, together
When, third end cap 34 passes through to be fixed between bolt 23 and cabinet 5, and second packing ring 24 is provided between bolt 23 and cabinet 5；
To enable second gear axis 33 to rotate in cabinet 5, set between third end cap 34 and second gear axis 33 by interference fit
It is equipped with the 6th bearing 40 being socketed on second gear axis 33, magnitude of interference is 0.005~0.015mm, wherein 6th bearing 40 is
Deep groove ball bearing 6309.
As shown in figure 4, being also provided be socketed on second gear axis 33 between second gear 30 and 5th bearing
Two distance collars 35.
As shown in Figure 1 and Figure 5,4 rated output power P=6KW of take-off (propeller) shaft is fully loaded with output revolving speed n=24.2rpm,
Zero load output revolving speed n=95rpm, including containing internalization by output shaft 43, by medium carbon steel 42CrMo pass through modifier treatment system
At hardness is 270~300HBS, and internal spline uses INT20Zx3mx30Px6H (GB/T3478.1-2008), and in output shaft
It is socketed with third gear 44 on 43 by way of interference fit, magnitude of interference 0.02-0.05mm, meanwhile, in third gear 44
On be provided with third key 37 engaged therewith, and third gear 44 is meshed with the external tooth of second gear axis 33, forms third circle
Stud wheel pair.
The technical parameter of the third cylindrical gear pair are as follows: move moving gear away from a=167mm, normal module 4mm, principal and subordinate in center
Gear ratio 16/65,12 ° of helical angle, third gear 44 gear width 50mm, 6 grades of accuracy class, the teeth portion of third gear 44 warp
Carburizing and quenching, the Available Hardened Depth 0.7-1mm, tooth face hardness 58-62HRC, core hardness 33-48HRC, normal direction meshing backlass are
0.1~0.2mm.
As shown in Figure 1 and Figure 5,43 one end of output shaft is connect by the 4th oil sealing with case lid 6, and in the 4th oil sealing and output
The 7th bearing being socketed on output shaft 43 is provided with by interference fit between axis 43, magnitude of interference is 0.005~0.015mm,
Output shaft 43 is rotated relative to case lid 6；Wherein, 7th bearing is deep groove ball bearing 6218.
As shown in Figure 1 and Figure 5, the other end insertion of output shaft 43 is set in the 4th end cap 45 of 5 bottom of cabinet, together
When, the 4th end cap 45 passes through to be fixed between bolt 23 and cabinet 5, and is provided with second packing ring between bolt 23 and cabinet 5
24；To enable output shaft 43 to rotate in cabinet 5, it is provided between the 4th end cap 45 and output shaft 43 by interference fit
The 8th bearing 38 being socketed on output shaft 43, magnitude of interference are 0.005~0.015mm, wherein 8th bearing 38 is deep-groove ball axis
Hold 6218.
As shown in figure 5, the one end of output shaft 43 far from the 4th end cap 45, continues to prolong into case lid 6 along 7th bearing end
It stretches, and set 42 above 7th bearing is socketed with by slight interference cooperation in elongated end, cover 42 two sides and be serrated, mistake
The amount of being full of is 0.015~0.03mm, has the function of labyrinth oil sealing, can prevent the entrance of foreign object, and is avoided that in cabinet 5
Oil leakage.
As shown in Figure 1, it also is welded with hanging ring 14 on the top of case lid 6, for mobile installation case lid 6, meanwhile, in case lid 6
After the installation is completed with cabinet 5, moreover it is possible to the hanging parts as gear-box entirety.
As shown in Figure 1, being the pressure of guard box inside and outside, prevent the intracorporal oil leakage of case and foreign object from entering, on case lid 6
It is provided with the Ventilated cap 7 being connected to cabinet 5.
As shown in fig. 6, the Ventilated cap 7 includes including the connector sleeve 39 being connected to cabinet 5；Connector sleeve 39 is far from case lid 6
One end is provided with the crown 36 being structure as a whole with connector sleeve 39；The lever extended in connector sleeve 39 is provided on crown 36
29, and be provided on crown 36 and pass through the nut 15 being threadedly engaged with lever 29；And lever 29 extends in connector sleeve 39
Part is socketed with steel mesh 9.
The transmission principle of the present apparatus are as follows:
Motor torque is passed to tooth set 16 by the internal spline cooperation of alienation spline and tooth set 16 on motor shaft, then tooth set
External tooth and first gear 27 on 16 form the first cylindrical gear pair, deliver torque to first gear axis 26；Again by the first tooth
External tooth and second gear 30 on wheel shaft 26 form the second cylindrical gear pair and deliver torque to second gear axis 33；Again by the
External tooth and third gear 44 on two gear shafts 33 form third cylindrical gear pair, deliver torque to output shaft 43；Finally lead to
The internal spline for crossing output shaft 43 provides power and transmits torque to walking mechanism, that is, completes entire transmission process.
The delivery test and performance test process of mine vertical gear-box provided by the utility model are dedicated according to industry
The delivery test project of gear-box carries out, and mainly includes following project:
(1) no-load test: according to testing gear case outline requirement input different rotating speeds, during test should without abnormal sound,
The abnormal conditions such as oil leak.
(2) temperature rise is tested: without abnormal fever phenomenon, temperature rise is no more than 50 DEG C for cabinet, bearing block outer surface.
(3) noise testing: each axis rotates flexible, smooth running, noise figure and answers≤85dB in operating.
Claims (9)
1. a kind of mining gear-box, which is characterized in that including cabinet (5), and the case lid (6) being set on cabinet (5)；It is described
Transmission component is movably set in cabinet (5)；The transmission component includes input shaft (1), the first transmission shaft successively engaged
(2), second driving shaft (3) and take-off (propeller) shaft (4)；The input shaft (1) is connected to motor；
Ventilated cap (7) are provided on the case lid (6)；The Ventilated cap (7) includes the connector sleeve (39) being connected to cabinet (5)；
The connector sleeve (39) is provided with the crown (36) being structure as a whole with connector sleeve (39) far from the one end of case lid (6)；The cap
It is provided with the lever (29) extended in connector sleeve (39) on top (36), and is provided on crown (36) and passes through with lever (29)
The nut (15) being threadedly engaged；And the part that the lever (29) extends in connector sleeve (39) is socketed with steel mesh (9).
2. mining gear-box according to claim 1, which is characterized in that the input shaft (1) includes being connected to motor
Tooth set (16)；One end of the tooth set (16) is connect by the first oil sealing (25) with case lid (6), and other end insertion is set to cabinet
(5) in the first end cover (21) of bottom.
3. mining gear-box according to claim 2, which is characterized in that the both ends of the tooth set (16) are provided with platform
Rank；The second bearing being provided between the step and the first oil sealing (25) on socket and tooth set (16)；The first end cover
(21) it is provided between tooth set (16) first bearing (20).
4. mining gear-box according to claim 2, which is characterized in that first transmission shaft (2) includes first gear
Axis (26)；Described first gear axis (26) one end is connect by the second oil sealing with case lid (6), and other end insertion is set to cabinet
(5) in the second end cover (22) of bottom；And the first tooth engaged with tooth set (16) is provided on the first gear axis (26)
It takes turns (27)；The first key (32) engaged therewith is provided on the first gear (27).
5. mining gear-box according to claim 4, which is characterized in that second oil sealing and first gear axis (26) it
Between be provided with 3rd bearing；Fourth bearing (31) are provided between the second end cover (22) and first gear axis (26)；It is described
The first distance collar (28) being socketed on first gear axis (26) is provided between first gear (27) and fourth bearing (31).
6. mining gear-box according to claim 4, which is characterized in that the second driving shaft (3) includes second gear
Axis (33)；Described second gear axis (33) one end is connect by third oil sealing with case lid (6), and other end insertion is set to cabinet
(5) the third end cap (34) of bottom；And engaged with first gear axis (26) is provided on the second gear axis (33)
Two gears (30)；The second key (41) engaged therewith is provided on the second gear (30).
7. mining gear-box according to claim 6, which is characterized in that the third oil sealing and second gear axis (33) it
Between be provided with 5th bearing；6th bearing (40) are provided between the third end cap (34) and second gear axis (33)；Second
The second distance collar (35) being socketed on second gear axis (33) is provided between gear (30) and 5th bearing.
8. mining gear-box according to claim 6, which is characterized in that the take-off (propeller) shaft (4) includes output shaft
(43)；Described output shaft (43) one end is connect by the 4th oil sealing with case lid (6), and other end insertion is set to cabinet (5) bottom
The 4th end cap (45)；And the third gear (44) engaged with second gear axis (33) is provided on the output shaft (43)；
Third key (37) engaged therewith is provided on the third gear (44).
9. mining gear-box according to claim 8, which is characterized in that set between the 4th oil sealing and output shaft (43)
It is equipped with 7th bearing；8th bearing (38) are provided between 4th end cap (45) and output shaft (43)；The output shaft
(43) it is socketed with above 7th bearing on, and is located at the set (42) in case lid (6) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718410.XU CN208935334U (en) | 2018-10-22 | 2018-10-22 | Mining gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718410.XU CN208935334U (en) | 2018-10-22 | 2018-10-22 | Mining gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935334U true CN208935334U (en) | 2019-06-04 |
Family
ID=66725585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821718410.XU Active CN208935334U (en) | 2018-10-22 | 2018-10-22 | Mining gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058436A (en) * | 2018-10-22 | 2018-12-21 | 资阳中工机车传动有限公司 | Mining gear-box |
| CN110440212A (en) * | 2019-08-27 | 2019-11-12 | 芜湖乐知智能科技有限公司 | A kind of 5G solar energy wisdom street lamp is gently stood system |
-
2018
- 2018-10-22 CN CN201821718410.XU patent/CN208935334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058436A (en) * | 2018-10-22 | 2018-12-21 | 资阳中工机车传动有限公司 | Mining gear-box |
| CN109058436B (en) * | 2018-10-22 | 2023-08-29 | 资阳中工机车传动有限公司 | Mining gear box |
| CN110440212A (en) * | 2019-08-27 | 2019-11-12 | 芜湖乐知智能科技有限公司 | A kind of 5G solar energy wisdom street lamp is gently stood system |
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