CN213116300U - Traction driving block assembly for coal mining machine - Google Patents
Traction driving block assembly for coal mining machine Download PDFInfo
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- CN213116300U CN213116300U CN202021870243.8U CN202021870243U CN213116300U CN 213116300 U CN213116300 U CN 213116300U CN 202021870243 U CN202021870243 U CN 202021870243U CN 213116300 U CN213116300 U CN 213116300U
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- sealing seat
- seat
- bearing
- groove
- driving gear
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Abstract
The utility model discloses a coal-winning machine is with pulling drive block group spare, main content is: the rear end of the driving gear is installed in a mounting hole in the driving block shell through a rear tapered roller bearing, a rear floating oil seal is installed on a third sealing seat and a fourth sealing seat, a bearing seat is installed in a mounting hole in the driving block shell, the front end of the driving gear is installed on the bearing seat through a front tapered roller bearing, a front floating oil seal is installed on the first sealing seat and the second sealing seat, a front packing is installed in an annular groove in the first sealing seat and is in contact with the inner wall of a center hole of the second sealing seat, a spacer sleeve is installed in a center hole in the bearing seat and presses the spacer sleeve on the front tapered roller bearing, a copper pad is installed in a groove in the right side face of a stop block, and a chain wheel assembly is installed on a. The utility model discloses simple structure and compactness, it is sealed effectual and the installation is dismantled very conveniently, has effectively improved its life, noise abatement and wearing and tearing simultaneously, job stabilization is reliable.
Description
Technical Field
The utility model relates to a coal-winning machine technical field, specifically speaking, in particular to coal-winning machine is with pulling drive block subassembly.
Background
When a rack wheel in the existing traction drive block assembly for the coal mining machine is meshed with a pin row, as the pin row is residual with cinder, the cinder on the pin row is brought into a drive block shell in the traction drive block assembly by a chain wheel assembly in motion, and two ends of a drive gear in the existing traction drive block assembly for the coal mining machine are both sealed by lips, the failure of the lips is easily caused along with the increase of accumulated cinder, so that the failure of a bearing in the drive block shell is caused; on the other hand, because the axial direction of a traction torque shaft in the traction driving block component for the existing coal mining machine is not fixed, the shaft is easy to move in the operation process, thereby generating noise, influencing the operation effect and seriously influencing the service life of the shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, disclose a coal-winning machine is with pulling the drive block group spare, its simple structure and compactness, it is sealed effectual and the installation dismantlement very convenient, effectively improved its life, noise abatement and wearing and tearing simultaneously, job stabilization is reliable.
The utility model provides a technical scheme that its technical problem adopted is: a traction drive block assembly for a coal mining machine comprises a drive block shell, a bearing seat, a bearing gland, a guide sliding shoe, a chain wheel assembly, a headless cylindrical pin, a rear fixing frame, a traction torque shaft, a drive gear, a first cover plate, a spacer bush, a stop block, a second cover plate, a copper pad, an inner retainer ring, a front fixing frame, a front tapered roller bearing, a front floating oil seal, a first sealing seat, a front packing, a second sealing seat, a rear packing, a third sealing seat, a rear floating oil seal, a rear tapered roller bearing and a fourth sealing seat, wherein the rear end of the drive gear is arranged in an installation hole in the drive block shell through the rear tapered roller bearing, the fourth sealing seat is fixedly arranged in an annular groove in the drive block shell, the third sealing seat is arranged on a step at the rear end of the drive gear, the rear floating oil seal is arranged on the third sealing seat and the fourth sealing seat, the rear packing is arranged in the annular groove in the third sealing seat and is in contact with the inner wall of a central, the bearing seat is fixedly arranged in a mounting hole on the driving block shell, the front end of the driving gear is arranged on the bearing seat through a front tapered roller bearing, the first sealing seat is arranged on a step at the front end of the driving gear, the second sealing seat is fixedly arranged in an annular groove on the right side surface of the bearing seat, the front floating oil seal is arranged on the first sealing seat and the second sealing seat, the front packing is arranged in the annular groove on the first sealing seat and is contacted with the inner wall of a central hole of the second sealing seat, the first cover plate is fixedly arranged on a window on the top surface of the driving block shell, the spacer sleeve is arranged in the central hole on the bearing seat and is pressed on the front tapered roller bearing, the bearing gland is fixedly arranged in a central groove on the left side surface of the bearing seat and is pressed on the spacer sleeve, and the second cover plate is fixedly arranged on a bearing cap, interior rand is installed in the annular groove on the drive gear centre bore, the dog is installed in the drive gear centre bore and the dog top is on interior rand, copper blanket fixed mounting is in the recess on the dog right flank, the traction torque axle passes through the spline and installs in the drive gear centre bore and traction torque jack on the copper blanket, the sprocket assembly is installed on headless cylindric lock, in the draw-in groove of headless cylindric lock front end on the preceding mount is installed, preceding mount fixed mounting is on direction smooth boots front side mounting groove, in the draw-in groove of headless cylindric lock rear end installation on the back mount, back mount fixed mounting is on direction smooth boots rear side mounting groove.
As a preferred embodiment of the present invention, the right side surface of the driving block casing is provided with an annular groove and a sealing ring.
As a preferred embodiment of the present invention, the first sealing seat is tightly sleeved on the step on the front side of the driving gear by interference fit.
As a preferred embodiment of the present invention, the third sealing seat is tightly sleeved on the step on the front side of the driving gear by interference fit.
As an optimal implementation mode of the utility model, install adjusting shim between bearing gland flange and bearing frame left side grooved underside.
The utility model realizes the sealing of the two ends of the driving gear by adopting the floating oil seal and the packing; the rear end of the driving gear is sealed through a rear floating oil seal and a rear packing which is arranged between the third sealing seat and the fourth sealing seat, the rear floating oil seal is sealed by adopting a mechanical end face, and meanwhile, the rear packing is made of an Effon graphite-coated carbon fiber material, so that the strength is high, the wear resistance is realized, and the self-lubrication is realized; the front end of the driving gear is sealed by a front floating oil seal and a front packing which is arranged between the first sealing seat and the second sealing seat, the front floating oil seal is sealed by a mechanical end face, and the front packing is made of an Effon graphite-coated carbon fiber material, so that the strength is high, the abrasion is resistant, and the self-lubricating performance is realized, the sealing effect is effectively improved, and the service life of the bearing is greatly prolonged; the traction torque shaft adopts an inner collar and wear-resistant copper pad structure in the axial direction, so that the axial fixation of the traction torque shaft is realized, the operation noise and the wear are greatly reduced, and the operation condition is improved; the traction motor drives the traction torque shaft to rotate through the speed reducer, the traction torque shaft drives the driving gear to rotate through the spline, the driving gear drives the chain wheel assembly to rotate through gear meshing, and the chain wheel is meshed with the pin row, so that the traction driving block assembly for the coal mining machine moves along the pin row.
Compared with the prior art, the utility model has the following advantage: the sealing device has the advantages of simple and compact structure, good sealing effect, convenient assembly and disassembly, effectively prolonged service life, reduced noise and abrasion, and stable and reliable operation.
Drawings
FIG. 1 is a front view of a structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure A-A of an embodiment of the present invention;
FIG. 3 is a partial view of an embodiment of the present invention at B;
fig. 4 is a partial view of a portion at C according to an embodiment of the present invention.
Description of reference numerals:
1: drive block housing, 2: bearing seat, 3: bearing gland, 4: guide shoe, 5: sprocket assembly, 6: headless cylindrical pin, 7: rear mount, 8: traction torque shaft, 9: drive gear, 10: first cover plate, 11: spacer bush, 12: stopper, 13: second cover plate, 14: copper pad, 15: inner collar, 16: front mount, 17: front tapered roller bearing, 18: front floating oil seal, 19: first seal seat, 20: front packing, 21: second seal seat, 22: rear packing, 23: third seal seat, 24: rear floating oil seal, 25: rear tapered roller bearing, 26: and a fourth seal seat.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 4, which illustrate a specific embodiment of the present invention; as shown in the figures, the utility model discloses a traction drive block assembly for coal mining machine, which comprises a drive block casing 1, a bearing seat 2, a bearing gland 3, a guide sliding shoe 4, a chain wheel assembly 5, a headless cylindrical pin 6, a rear fixing frame 7, a traction torque shaft 8, a drive gear 9, a first cover plate 10, a spacer 11, a stop block 12, a second cover plate 13, a copper pad 14, an inner clamping ring 15, a front fixing frame 16, a front tapered roller bearing 17, a front floating oil seal 18, a first sealing seat 19, a front packing 20, a second sealing seat 21, a rear packing 22, a third sealing seat 23, a rear floating oil seal 24, a rear tapered roller bearing 25 and a fourth sealing seat 26, wherein the rear end of the drive gear 9 is installed in an installation hole on the drive block casing 1 through the rear tapered roller bearing 25, the fourth sealing seat 26 is fixedly installed in an annular groove on the drive block casing 1, the third sealing seat 23 is installed on a stage at the rear end of the drive gear 9, the rear floating oil seal 24 is installed on a third seal seat 23 and a fourth seal seat 26, the rear packing 22 is installed in an annular groove on the third seal seat 23 and contacts with the inner wall of a central hole of the fourth seal seat 22 and the central hole of the fourth seal seat 26, the bearing seat 2 is fixedly installed in an installation hole on the driving block shell 1, the front end of the driving gear 9 is installed on the bearing seat 2 through a front tapered roller bearing 17, the first seal seat 19 is installed on a step at the front end of the driving gear 9, the second seal seat 21 is fixedly installed in an annular groove on the right side surface of the bearing seat 2, the front floating oil seal 18 is installed on the first seal seat 19 and the second seal seat 21, the front packing 20 is installed in an annular groove on the first seal seat 19 and contacts with the inner wall of the central hole of the second seal seat 21, the first cover plate 10 is fixedly installed on a window on the top surface of the driving block shell 1, the spacer bush 11 is arranged in a center hole on the bearing seat 2, the spacer bush 11 is pressed on the front tapered roller bearing 17, the bearing gland 3 is fixedly arranged in a center groove on the left side surface of the bearing seat 2, the bearing gland 3 is pressed on the spacer bush 11, the second cover plate 13 is fixedly arranged on the bearing gland 3, the inner retainer ring 15 is arranged in an annular groove on the center hole of the driving gear 1, the stopper 12 is arranged in the center hole of the driving gear 9, the stopper 12 is propped against the inner retainer ring 15, the copper pad 14 is fixedly arranged in a groove on the right side surface of the stopper 12, the traction torque shaft 8 is arranged in the center hole of the driving gear 9 through a spline, the traction torque shaft 8 is propped against the copper pad 14, the sprocket assembly 5 is arranged on the headless cylindrical pin 6, the front end of the headless cylindrical pin 6 is arranged in a clamping groove on the front fixing frame 16, the front fixing frame 16 is fixedly, the rear end of the headless cylindrical pin 6 is arranged in a clamping groove in the rear fixing frame 7, and the rear fixing frame 7 is fixedly arranged on a mounting groove in the rear side of the guide sliding shoe 4.
Preferably, an annular groove is formed in the right side surface of the driving block shell 1, and a sealing ring is installed in the annular groove.
Preferably, the first sealing seat 19 is tightly sleeved on the front side step of the driving gear 9 through interference fit.
Preferably, the third sealing seat 23 is tightly sleeved on the front side step of the driving gear 9 through interference fit.
Preferably, an adjusting gasket is arranged between the flange of the bearing gland 3 and the bottom surface of the groove on the left side of the bearing seat 2. Thereby realizing the pre-tightening of the front tapered roller bearing and the rear tapered roller bearing.
The utility model realizes the sealing of the two ends of the driving gear 9 by adopting the floating oil seal and the packing; the rear end of the driving gear 9 is sealed through a rear floating oil seal 24 and a rear packing 22 arranged between a third sealing seat 23 and a fourth sealing seat 26, the rear floating oil seal 24 is sealed by adopting a mechanical end face, and meanwhile, the rear packing 22 is made of an Everson graphite-coated carbon fiber material, so that the strength is high, the wear resistance is realized, and the self-lubrication is realized; the front end of the driving gear 9 is sealed by a front floating oil seal 18 and a front packing 20 arranged between a first sealing seat 19 and a second sealing seat 21, the front floating oil seal 18 is sealed by a mechanical end face, and the front packing 20 is made of an Everson graphite-coated carbon fiber material, so that the strength is high, the wear resistance is high, and the self-lubrication is realized, the sealing effect is effectively improved, and the service life of the bearing is greatly prolonged; the traction torque shaft 8 adopts an inner collar 15 and a wear-resistant copper pad 14 structure in the axial direction, so that the axial fixation of the traction torque shaft 8 is realized, the operation noise and the wear are greatly reduced, and the operation condition is improved; the traction motor drives the traction torque shaft 8 to rotate through the speed reducer, the traction torque shaft 8 drives the driving gear 9 to rotate through the spline, the driving gear 9 drives the chain wheel assembly 5 to rotate through gear meshing, and the chain wheel is meshed with the pin row, so that the traction driving block assembly for the coal mining machine moves along the pin row.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (5)
1. The utility model provides a coal-winning machine is with drawing drive block subassembly which characterized in that: the rear end of the driving gear is arranged in an installation hole on the driving block shell through the rear tapered roller bearing, the fourth sealing seat is fixedly arranged in an annular groove on the driving block shell, the third sealing seat is arranged on a step at the rear end of the driving gear, the rear floating oil seal is arranged on the third sealing seat and the fourth sealing seat, the rear tapered roller bearing is arranged in the annular groove on the third sealing seat, and the rear packing is contacted with the inner wall of a central hole of the fourth sealing seat, the bearing seat is fixedly arranged in a mounting hole on the driving block shell, the front end of the driving gear is arranged on the bearing seat through a front tapered roller bearing, the first sealing seat is arranged on a step at the front end of the driving gear, the second sealing seat is fixedly arranged in an annular groove on the right side surface of the bearing seat, the front floating oil seal is arranged on the first sealing seat and the second sealing seat, the front packing is arranged in the annular groove on the first sealing seat and is contacted with the inner wall of a central hole of the second sealing seat, the first cover plate is fixedly arranged on a window on the top surface of the driving block shell, the spacer sleeve is arranged in the central hole on the bearing seat and is pressed on the front tapered roller bearing, the bearing gland is fixedly arranged in a central groove on the left side surface of the bearing seat and is pressed on the spacer sleeve, and the second cover plate is fixedly arranged on a bearing cap, interior rand is installed in the annular groove on the drive gear centre bore, the dog is installed in the drive gear centre bore and the dog top is on interior rand, copper blanket fixed mounting is in the recess on the dog right flank, the traction torque axle passes through the spline and installs in the drive gear centre bore and traction torque jack on the copper blanket, the sprocket assembly is installed on headless cylindric lock, in the draw-in groove of headless cylindric lock front end on the preceding mount is installed, preceding mount fixed mounting is on direction smooth boots front side mounting groove, in the draw-in groove of headless cylindric lock rear end installation on the back mount, back mount fixed mounting is on direction smooth boots rear side mounting groove.
2. A traction drive block assembly for a coal mining machine as claimed in claim 1 wherein: an annular groove is arranged on the right side face of the driving block shell, and a sealing ring is arranged in the annular groove.
3. A traction drive block assembly for a coal mining machine as claimed in claim 1 wherein: the first sealing seat is tightly sleeved on the step on the front side of the driving gear through interference fit.
4. A traction drive block assembly for a coal mining machine as claimed in claim 1 wherein: the third sealing seat is tightly sleeved on the step at the front side of the driving gear through interference fit.
5. A traction drive block assembly for a coal mining machine as claimed in claim 1 wherein: and an adjusting gasket is arranged between the bearing gland flange and the bottom surface of the groove on the left side of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870243.8U CN213116300U (en) | 2020-08-31 | 2020-08-31 | Traction driving block assembly for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870243.8U CN213116300U (en) | 2020-08-31 | 2020-08-31 | Traction driving block assembly for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116300U true CN213116300U (en) | 2021-05-04 |
Family
ID=75658314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021870243.8U Active CN213116300U (en) | 2020-08-31 | 2020-08-31 | Traction driving block assembly for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116300U (en) |
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2020
- 2020-08-31 CN CN202021870243.8U patent/CN213116300U/en active Active
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