CN212272956U - Cutting speed reducer of heading machine - Google Patents

Abstract

The utility model discloses a heading machine cutting reduction gear, including front bearing frame, rear axle bearing and sun gear, pass the front axle bearing and be equipped with the input shaft, pass the rear axle bearing and be equipped with the output shaft, sun gear outside cover is equipped with first planet carrier, evenly is equipped with first planet wheel on the first planet carrier, toothholder and input shaft in the excircle of first planet wheel meshes simultaneously, and output shaft outside cover is equipped with the second planet carrier, is equipped with the second planet wheel on the second planet carrier, toothholder and sun gear in the excircle of second planet wheel meshes simultaneously. The utility model has the advantages of reasonable design, through set up sun gear, first planet wheel and second planet wheel between input shaft and output shaft, through the second grade speed reduction, the high-speed of the input axle head of being connected with the motor is converted into the low-speed of the output axle head that is connected with equipment, has improved the moment of torsion of equipment, makes the equipment operation more powerful, steady, the effectual life who prolongs equipment.

Description

Cutting speed reducer of heading machine

Technical Field

The utility model belongs to the coal mining field especially relates to a entry driving machine cutting reduction gear.

Background

In the working process of the heading machine, the cutting operation of the coal bed is realized through the connection of the motor and the cutting head. The cutting head is directly connected with the high-speed rotating motor, so that the torque is small, the working efficiency is low, the damage of equipment is easily caused, and the service life of the equipment is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a heading machine cutting reduction gear.

The utility model discloses a realize like this: a cutting reducer of a heading machine comprises a front bearing seat and a rear bearing seat, wherein the front bearing seat supports and protects an input shaft, the rear bearing seat supports and protects an output shaft, an inner gear seat is arranged between the front bearing seat and the rear bearing seat to ensure the reliable meshing operation of a first planet wheel and a second planet wheel inside, the front bearing seat and the inner gear seat and the rear bearing seat are fixedly connected through screws, the assembly and the disassembly are convenient, the connection is firm and reliable, a cavity is formed among the front bearing seat, the rear bearing seat and the inner gear seat, a sun wheel is arranged in the cavity, a front bearing and an input shaft sleeve are sequentially arranged on the front bearing seat, the stable operation of the input shaft is ensured through the front bearing, the input shaft sleeve limits and protects the input shaft and the front bearing, and the input shaft is arranged at the center of penetrating through the front bearing seat, the front bearing, one end of the input shaft is connected with the sun wheel in a matching way, the other end of the input shaft is connected with the spline sleeve, the rear bearing block is sequentially provided with a rear bearing and an output shaft sleeve, the stable operation of the output shaft is ensured through the rear bearing, the output shaft and the rear bearing are limited and protected by the output shaft sleeve, the output shaft is arranged through the centers of the rear bearing block, the rear bearing and the output shaft sleeve, one end of the output shaft, which is positioned in the cavity, is connected with the sun wheel in a matching way, the outer side of the sun wheel is fixedly sleeved with a first planet carrier, the first planet carrier is uniformly and fixedly provided with a plurality of first supports which can be three, the first supports are provided with first planet wheels, a first bearing is arranged in each first planet wheel, the first supports penetrate through the first bearing, the first planet carrier rotates along with the rotation of the first planet wheels, and the excircle of the first planet wheels is simultaneously meshed, first planet wheel carries out the rotation in steady revolution, accomplishes the one-level speed reduction, the fixed cover in the outside that lies in the output shaft in the cavity is equipped with the second planet carrier, evenly fixed being provided with a plurality of second supports on the second planet carrier, can be five, be provided with the second planet wheel on the second support, be provided with the second bearing in the second planet wheel, the second support passes the second bearing, and the second planet carrier rotates along with the rotation of second planet wheel, toothholder and sun gear in the excircle meshing of second planet wheel simultaneously, rotation are carried out in the second planet wheel when steady revolution, accomplish the secondary speed reduction.

Preferably, the spline sleeve is provided with an oil cup, the lower end of the oil cup is communicated with the input shaft, lubricating oil is poured into the oil cup, reliable and smooth operation of all parts is guaranteed, and the service life of the equipment is prolonged.

Preferably, the central line of the front bearing seat, the central line of the rear bearing seat, the central line of the inner gear seat, the central line of the spline sleeve, the central line of the input shaft, the central line of the sun gear, the central line of the output shaft, the central line of the first planet carrier and the central line of the second planet carrier are on the same straight line, so that the reliable operation of the equipment is ensured, and the secondary speed reduction effect of the equipment is further ensured.

Preferably, the front bearing seat is provided with a front cover plate, the front cover plate is fixedly connected with the front bearing seat through screws, the joint of the front bearing seat and the spline housing is protected, damage is avoided, the rear bearing seat is provided with a rear cover plate, the rear cover plate is fixedly connected with the rear bearing seat through screws, the joint of the rear bearing seat and equipment is protected, and damage is avoided.

The utility model has the advantages that: the utility model has the advantages of reasonable design, through set up sun gear, first planet wheel and second planet wheel between input shaft and output shaft, through the second grade speed reduction, the high-speed of the input axle head of being connected with the motor is converted into the low-speed of the output axle head that is connected with equipment, has improved the moment of torsion of equipment, makes the equipment operation more powerful, steady, the effectual life who prolongs equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a front bearing seat; 2. a rear bearing seat; 3. an inner tooth holder; 4. a screw; 5. a cavity; 6. a sun gear; 7. a front bearing; 8. an input shaft sleeve; 9. an input shaft; 10. a spline housing; 11. a rear bearing; 12. an output shaft sleeve; 13. an output shaft; 14. a first carrier; 15. a first bracket; 16. a first planet gear; 17. a first bearing; 18. a second planet carrier; 19. a second bracket; 20. a second planet wheel; 21. a second bearing; 22. an oil cup; 23. a front cover plate; 24. a back cover plate.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the cutting reducer of the heading machine comprises a front bearing seat 1 and a rear bearing seat 2, wherein the front bearing seat 1 supports and protects an input shaft 9, the rear bearing seat 2 supports and protects an output shaft 13, an inner gear seat 3 is arranged between the front bearing seat 1 and the rear bearing seat 2 to ensure the reliable meshing operation of a first planet gear 16 and a second planet gear 20 inside, the front bearing seat 1 and the inner gear seat 3 and the rear bearing seat 2 and the inner gear seat 3 are fixedly connected through screws 4, the assembly and the disassembly are convenient, the connection is firm and reliable, a cavity 5 is formed among the front bearing seat 1, the rear bearing seat 2 and the inner gear seat 3, a sun gear 6 is arranged in the cavity 5, a front bearing 7 and an input shaft sleeve 8 are sequentially arranged on the front bearing seat 1 to ensure the stable operation of the input shaft 9 through the front bearing 7, and the input shaft sleeve 8 limits and protects the input shaft 9 and the front, the front bearing seat 1 is provided with a front cover plate 23, the front cover plate 23 is fixedly connected with the front bearing seat 1 through screws to protect the joint of the front bearing seat 1 and the spline housing 10 from being damaged, an input shaft 9 is arranged through the centers of the front bearing seat 1, the front bearing 7 and the input shaft housing 8, one end of the input shaft 9 is matched and connected with the sun wheel 6, the other end of the input shaft 9 is connected with the spline housing 10, the spline housing 10 is provided with an oil cup 22, the lower end of the oil cup 22 is communicated with the input shaft 9, lubricating oil is poured in through the oil cup 22 to ensure reliable and smooth operation among all parts, the service life of equipment is prolonged, the rear bearing 11 and the output shaft housing 12 are sequentially arranged on the rear bearing seat 2 to ensure stable operation of the output shaft 13 through the rear bearing 11, and the output shaft housing 12 performs limit protection on the output shaft 13 and the rear bearing 11, the rear bearing seat 2 is provided with a rear cover plate 24, the rear cover plate 24 is fixedly connected with the rear bearing seat 2 through screws, the joint of the rear bearing seat 2 and equipment is protected, damage is avoided, an output shaft 13 is arranged at the center of the rear bearing seat 2, a rear bearing 11 and an output shaft sleeve 12, one end of the output shaft 13, which is positioned in the cavity 5, is matched and connected with the sun wheel 6, the outer side of the sun wheel 6 is fixedly sleeved with a first planet carrier 14, the first planet carrier 14 is uniformly and fixedly provided with a plurality of first planet carriers 15, which can be three, the first planet carrier 15 is provided with a first planet wheel 16, the first planet wheel 16 is internally provided with a first bearing 17, the first planet carrier 15 penetrates through the first bearing 17, the first planet carrier 14 rotates along with the rotation of the first planet wheel 16, the outer circle of the first planet wheel 16 is simultaneously meshed with the inner gear seat 3 and the input shaft 9, the first planet wheel 16 rotates while revolving stably to complete first-stage speed reduction, a second planet carrier 18 is fixedly sleeved on the outer side of the output shaft 16 in the cavity 5, a plurality of second supports 19 which can be five are uniformly and fixedly arranged on the second planet carrier 18, a second planet wheel 20 is arranged on each second support 19, a second bearing 21 is arranged in each second planet wheel 20, each second support 19 penetrates through each second bearing 21, each second planet carrier 18 rotates along with the rotation of each second planet wheel 20, the outer circle of each second planet wheel 20 is meshed with the inner tooth holder 3 and the sun wheel 6 simultaneously, each second planet wheel 20 rotates while revolving stably to complete second-stage speed reduction, and the center line of the front bearing seat 1, the center line of the rear bearing seat 2, the center line of the inner tooth holder 3, the center line of the spline housing 10, the center line of the input shaft 9, the center line of the sun wheel 6, The central line of the output shaft 13, the central line of the first planet carrier 14 and the central line of the second planet carrier 18 are on the same straight line, so that the reliable operation of the equipment is ensured, and the secondary speed reduction effect of the equipment is further ensured.

During operation, the motor drives the input shaft 9 to rotate through the spline housing 10, the first planet wheel 16 meshed with the input shaft 9 starts to rotate, primary speed reduction is achieved, the first planet wheel 16 rotates, the first planet carrier 14 starts to rotate, the sun wheel 6 fixedly connected with the first planet carrier 14 rotates, the second planet wheel 20 meshed with the sun wheel 6 starts to rotate, secondary speed reduction is achieved, the second planet wheel 20 rotates, the second planet carrier 18 starts to rotate, the output shaft 13 fixedly connected with the second planet carrier 18 starts to rotate, and equipment connected with the output shaft 13 is driven to start to operate.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (4)

1. A cutting reducer of a heading machine is characterized by comprising a front bearing seat and a rear bearing seat, wherein an inner tooth seat is arranged between the front bearing seat and the rear bearing seat, the front bearing seat and the inner tooth seat are fixedly connected, the rear bearing seat and the inner tooth seat are fixedly connected through screws, a cavity is formed among the front bearing seat, the rear bearing seat and the inner tooth seat, a sun gear is arranged in the cavity, a front bearing and an input shaft sleeve are sequentially arranged on the front bearing seat, an input shaft is arranged through the centers of the front bearing seat, the front bearing and the input shaft sleeve, one end of the input shaft is connected with the sun gear in a matching way, the other end of the input shaft is connected with a spline sleeve, a rear bearing and an output shaft sleeve are sequentially arranged on the rear bearing seat, an output shaft is arranged through the centers of the rear bearing seat, the rear bearing and the output shaft sleeve, and one, the fixed cover in the outside of sun gear is equipped with first planet carrier, evenly fixed a plurality of first supports that are provided with on the first planet carrier, be provided with first planet wheel on the first support, be provided with first bearing in the first planet wheel, first bearing is passed to first support, toothholder and input shaft in the excircle simultaneous meshing of first planet wheel, the fixed cover in the outside that is located the output shaft in the cavity is equipped with the second planet carrier, evenly fixed a plurality of second supports that are provided with on the second planet carrier, be provided with the second planet wheel on the second support, be provided with the second bearing in the second planet wheel, the second support passes the second bearing, toothholder and sun gear in the excircle simultaneous meshing of second planet wheel.

2. A roadheader cutting reducer according to claim 1 wherein said spline housing is provided with an oil cup, the lower end of said oil cup communicating with the input shaft.

3. A cutting reducer of a heading machine according to claim 1 wherein the centre line of the front bearing block, the centre line of the rear bearing block, the centre line of the internal gear block, the centre line of the spline housing, the centre line of the input shaft, the centre line of the sun gear, the centre line of the output shaft, the centre line of the first planet carrier and the centre line of the second planet carrier are on the same line.

4. A reducer for cutting of heading machine according to claim 1, wherein the front bearing seat is provided with a front cover plate, the front cover plate is fixedly connected with the front bearing seat by screws, the rear bearing seat is provided with a rear cover plate, and the rear cover plate is fixedly connected with the rear bearing seat by screws.

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