Driving device suitable for ultra-thin coal seam scraper conveyor

Abstract

The driving device comprises a left end cover, a right end cover and a planetary speed reduction assembly arranged between the left end cover and the right end cover, the planetary speed reduction assembly comprises an inner gear connected to the inner wall of the left end cover in a matched mode, and a planet carrier is connected between the left end cover and the right end cover in a matched mode. A roller is connected between the left end cover and the right end cover in a matched mode, a planet carrier is connected to the surface of the roller in a matched mode, a wheel shaft is connected into the left end cover in a matched mode, the coupler transmits power to a center wheel of the planetary reducer, the center wheel rotates to drive three planet wheels to rotate and revolve along the track of an inner gear, and revolution power is transmitted to the planet carrier. The planet carrier and the roller are integrated, so that the roller starts to rotate, the chain wheels on the roller start to rotate synchronously, the chain wheels drive the chain to move, the scraper on the chain moves, the scraper conveyor moves integrally, and coal briquettes falling on the scraper move along with the scraper.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine equipment, concretely to a driving device suitable for the scraper conveyor of extremely thin coal seam. BACKGROUND

[0002] With the increasing improvement of fully mechanized mining technology, the increase of mining output, the imbalance of matching ratio, the incompatibility of mining speed of thin coal seam and extremely thin coal seam, with the increasing exhaustion of domestic medium thick coal seam resources, it is imperative to fully utilize the coal resources in underground and mine the extremely thin coal seam. The extremely thin coal seam refers to the coal seam structure with the thickness less than 0.8 meters. Due to the narrow space, the mining operation is difficult, the output and efficiency are relatively low, and the cost is high.

[0003] The existing public patent (publication number CN201686285U) discloses a scraper conveyor for extremely thin coal seam, which is especially suitable for the fully mechanized mining field of extremely thin coal seam with the thickness of 0.65-0.8 m and the inclination angle of 45° or less. The scraper conveyor for extremely thin coal seam comprises a head, a tail, a middle trough, a middle trough baffle, a scraper chain and a guide block. The middle trough adopts a cast end and a rolled trough side, is connected by a dumbbell, and the coal wall side of the middle trough is welded with a guide block. The middle trough baffle is connected by a hinge. The driving devices of the head and the tail can be interchanged, and the left and right working faces of the whole machine can be interchanged. The scraper conveyor for extremely thin coal seam can effectively reduce the height of the middle trough, realize the fully mechanized mining of the extremely thin coal seam with the thickness of 0.65-0.8 m and the inclination angle of 45° or less, and improve the production efficiency.

[0004] However, there are some problems in the use of the existing automobile dust cover. 1. The scraper conveyor for extremely thin coal seam on the market needs to use the scraper conveyor to convey the coal blocks falling during mining to the reclaimer when mining in the extremely thin coal seam. However, due to the narrow space of the extremely thin coal seam, the height and width of the scraper conveyor are required to be not too high and wide, and the scraper conveyor for medium thick coal seam cannot be used for mining in the extremely thin coal seam. 2. The overall connection with the outside of the scraper conveyor for extremely thin coal seam on the market is low, the overall internal stability is weak, and it is not convenient for long-term use, which is prone to falling off and other situations. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a driving device suitable for the scraper conveyor of extremely thin coal seam to solve the problems in the background technology.

[0006] To solve the above technical problems, the utility model provides technical schemes as follows: A driving device suitable for extremely thin coal seam scraper conveyor, including left end cover, right end cover and the planetary reduction assembly who sets up between left end cover and right end cover,

[0007] The planetary reduction assembly includes a ring gear connected to the inner wall of the left end cover, a planet carrier connected between the left end cover and the right end cover, a drum connected between the left end cover and the right end cover, a planet carrier connected to the surface of the drum, an axle connected to the inside of the left end cover, a shaft coupling connected to the surface of the axle, a drive motor connected between the left end cover and the right end cover, and a shaft coupling input end connected to the output end of the drive motor. The drive motor is used for speed reduction operation.

[0008] The left end cover has a threaded hole on its surface, and the threaded hole is located at the four corners of the left end cover surface. The right end cover has a threaded hole on its surface, and the threaded hole is connected to the outside.

[0009] As a further scheme of the utility model, the planetary reduction assembly further includes a bearing connected to the inside of the left end cover, a drum connected to one end of the bearing, and a bearing connected to the inside of the right end cover.

[0010] As a further scheme of the utility model, the drum inside is connected to a motor bracket, the motor bracket surface is connected to a drive motor, and the motor bracket is in a cylindrical shape.

[0011] As a further scheme of the utility model, the inside of the left end cover is connected to a ring gear, and the ring gear surface is connected to a bearing.

[0012] As a further scheme of the utility model, the inside of the left end cover is connected to a planetary gear, the planetary gear surface is connected to a planet carrier, and the planet carrier inside is fixedly connected to a drum.

[0013] As a further scheme of the utility model, the inside of the left end cover is connected to a central wheel, the central wheel is connected to the output shaft of the drive motor through an axle and a shaft coupling, and the shaft coupling is a flexible shaft coupling.

[0014] As a further scheme of the utility model, the inside of the left end cover and the right end cover is connected to a rolling bearing, the outer ring of the rolling bearing is connected to the inner ring of the left end cover and the right end cover, the inner ring of the rolling bearing is in contact with the outer wall of the drum, the surface of the motor bracket is fixedly connected to a support plate, the end of the support plate is connected to a drive motor, the support plate extends from the center of the motor bracket and there are four of them, and the surface of the drum is connected to a sprocket.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses, when using, drive motor starts first, through the shaft coupling power transmission to the center wheel of planetary reducer, the rotation of center wheel drives 3 planetary gears to begin rotation, and revolves along the locus of internal gear, and the power transmission of revolution is given to planet carrier, and planet carrier and drum as a whole, therefore drum starts to rotate, when the sprocket on the drum starts synchronous rotation, and the sprocket moves with the chain, and the scraper on the chain moves, and the scraper conveyor moves as a whole, and the coal lump on the scraper moves with the scraper, and then the driving structure of traditional scraper conveyor is changed, and drive motor, reducer and drum are set up through the nesting mode, greatly reduce the space occupied by the driving device, is favorable for scraper conveyor to work under very thin coal seam, further improve the application range of scraper conveyor, and simultaneously, the driving device sets up drive motor and reducer in the inside of drum, and the drum is as the protective shell of drive motor and reducer, effectively avoid the damage of drive motor and reducer when the coal lump falls.

[0017] The utility model discloses the left end cover and right end cover between fixed connection upper planet carrier, and through planet carrier to the drum protection, and through planet carrier to the motor frame installation, and the multiple support plate of the inside center extension of motor frame carries out effective fixed drive motor, increases the connectivity of whole, and its left end cover and right end cover increase the connection position through the multiple threaded hole of surface opening, make it convenient to connect with outside, increase the connectivity of whole, and then very thin coal seam scraper conveyor when using, its overall and the connectivity of outside are higher, and the stability of its overall inside is higher, convenient for long -term use, and it is not easy to appear the occurrence of falling off etc. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the overall cross section structure schematic drawing of the utility model embodiment;

[0019] Figure 2 It is the overhead structure schematic drawing of the utility model embodiment;

[0020] Figure 3 It is the internal structure schematic drawing of the utility model embodiment drum;

[0021] Figure 4 It is the left end cover threaded hole structure schematic drawing of the utility model embodiment;

[0022] Figure 5 It is the right end cover threaded hole structure schematic drawing of the utility model embodiment

[0023] In the figure: 1. Left end cover; 2. Internal gear; 3. Planetary gear; 4. Center gear; 5. Axle; 6. Coupling; 7. Threaded hole; 8. Sprocket; 9. Rolling bearing; 10. Roller; 11. Support plate; 12. Motor frame; 13. Drive motor; 14. Right end cover; 15. Planetary carrier. DETAILED DESCRIPTION

[0024] To facilitate solving the problem, the embodiments of the present invention provide a drive device suitable for an ultra-thin coal seam scraper conveyor. The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0025] Example 1, as Figures 1 to 5 As shown, this embodiment provides a drive device suitable for an ultra-thin coal seam scraper conveyor, comprising a left end cover 1, a right end cover 14 and a planetary reduction assembly arranged between the left end cover 1 and the right end cover 14, the planetary reduction assembly comprising an internal gear 2 fitted and connected to the inner wall of the left end cover 1, a planetary carrier 15 fitted and connected between the left end cover 1 and the right end cover 14, a roller 10 fitted and connected between the left end cover 1 and the right end cover 14, the surface of the roller 10 fitted and connected to the planetary carrier 15, the interior of the left end cover 1 fitted and connected to the axle 5, the surface of the axle 5 fitted and connected to the coupling 6, a drive motor 13 fitted and connected between the left end cover 1 and the right end cover 14, the output end of the drive motor 13 being connected to the input end of the coupling 6, the deceleration operation being performed by the drive motor 13, a threaded hole 7 being opened on the surface of the left end cover 1, the threaded hole 7 being multiple and located at the four corners of the surface of the left end cover 1, a threaded hole 7 being opened on the surface of the right end cover 14, connected to the outside through the threaded hole 7.

[0026] Embodiment 2. In addition to all the technical features of embodiment 1, this embodiment also includes: the planetary reduction assembly also includes a bearing that is fitted and connected to the inside of the left end cover 1, one end of the bearing is fitted and connected to the roller 10, the inside of the right end cover 14 is fitted and connected to the bearing, the inside of the roller 10 is fitted and connected to the motor frame 12, the surface of the motor frame 12 is fitted and connected to the drive motor 13, the motor frame 12 is cylindrical, and it is convenient to provide transmission force through the rotation of the bearing. The cylindrical rotation of the motor frame 12 facilitates the fitting installation with the roller 10 to increase connectivity.

[0027] Further, the left end cover 1 is internally connected with the internal gear 2, the surface of the internal gear 2 is connected with the bearing, the left end cover 1 is internally connected with the planetary gear 3, the surface of the planetary gear 3 is connected with the planet carrier 15, the planet carrier 15 is internally fixedly connected with the roller 10, the bearing rotates to drive the internal gear 2 to rotate, thereby transmitting power, and the planet carrier 15 protects the roller 10.

[0028] Further, the left end cover 1 is internally connected with the center wheel 4, the center wheel 4 is connected with the output shaft of the driving motor 13 through the wheel shaft 5 and the shaft coupling 6, the shaft coupling 6 is a flexible shaft coupling 6, the left cover end and the right cover end are internally connected with the rolling bearing 9, the outer ring of the rolling bearing 9 is connected with the inner ring of the left cover end and the right cover end, the inner ring of the rolling bearing 9 is in contact with the outer wall of the roller 10, the surface of the motor bracket 12 is fixedly connected with the support plate 11, the end of the support plate 11 is connected with the driving motor 13, the support plate 11 extends from the center of the motor bracket 12 and is four, the surface of the roller 10 is connected with the chain wheel 8, the support plate 11 increases the protection of the driving motor 13, the rolling bearing 9 increases the practicability, so that it is convenient to rotate, and the shaft coupling 6 increases the power transmission.

[0029] In use, the driving motor 13 is started first, and the power is transmitted to the sun gear 4 of the planetary reducer through the shaft coupling 6, the rotation of the sun gear 4 drives the three planetary gears 3 to begin rotation and revolution along the track of the internal gear 2, the power of the revolution is transmitted to the planet carrier 15, and the planet carrier 15 is integrated with the drum 10, so that the drum 10 begins to rotate, at this time, the sprocket 8 on the drum 10 begins to rotate synchronously, the sprocket 8 moves with the chain, the scraper on the chain moves, the scraper conveyor moves as a whole, the coal blocks on the scraper move with the scraper, the internal gear 2 is driven to rotate by the bearing, thereby transmitting power, the planet carrier 15 protects the drum 10, thereby changing the driving structure of the traditional scraper conveyor, the driving motor 13, the reducer and the drum 10 are arranged in a nested manner, which greatly reduces the space occupied by the driving device, is beneficial to the work of the scraper conveyor in the extremely thin coal seam, further improves the application range of the scraper conveyor, and simultaneously the driving device sets the driving motor 13 and the reducer in the interior of the drum 10, and the drum 10 serves as a protective shell of the driving motor 13 and the reducer, effectively avoiding the damage of the driving motor 13 and the reducer when the coal blocks fall, the planet carrier 15 is fixedly connected between the left end cover 1 and the right end cover 14, the planet carrier 15 protects the drum 10, and the motor frame 12 is installed through the planet carrier 15, a plurality of support plates 11 extending from the center of the interior of the motor frame 12 effectively fix the driving motor 13, increase the connectivity of the whole, the left end cover 1 and the right end cover 14 increase the connection positions through a plurality of threaded holes 7 formed on the surfaces, and the left end cover 1 and the right end cover 14 are convenient to connect with the outside, thereby increasing the connectivity of the whole.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and it is intended to encompass all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A driving device for a scraper conveyor for an extremely thin coal seam, characterized by: It comprises a left end cover (1), a right end cover (14), and a planetary reduction assembly arranged between the left end cover (1) and the right end cover (14); The planetary reduction assembly comprises an internal gear (2) connected to the inner wall of the left end cover (1); a planetary carrier (15) is connected between the left end cover (1) and the right end cover (14); a roller (10) is connected between the left end cover (1) and the right end cover (14); the surface of the roller (10) is connected to the planetary carrier (15); the interior of the left end cover (1) is connected to the wheel shaft (5); the surface of the wheel shaft (5) is connected to the coupling (6); a driving motor (13) is connected between the left end cover (1) and the right end cover (14); the output end of the driving motor (13) is connected to the input end of the coupling (6); and a reduction operation is performed by the driving motor (13); The left end cover (1) has a surface provided with threaded holes (7), and the threaded holes (7) are multiple and located at the four corners of the left end cover (1). The right end cover (14) has a surface provided with threaded holes (7), and is connected to the outside through the threaded holes (7).

2. The driving device for an ultra-thin coal seam scraper conveyor according to claim 1, characterized in that: The planetary reduction assembly further comprises a bearing fitted and connected to the interior of the left end cover (1), one end of the bearing being fitted and connected to a roller (10), and the interior of the right end cover (14) being fitted and connected to a bearing.

3. The driving device for an ultra-thin coal seam scraper conveyor according to claim 1, characterized in that: The interior of the drum (10) is cooperatively connected to a motor frame (12), the surface of the motor frame (12) is cooperatively connected to a drive motor (13), and the motor frame (12) is cylindrical.

4. The driving device for an ultra-thin coal seam scraper conveyor according to claim 1, characterized in that: The left end cover (1) is internally connected with an internal gear (2), and the surface of the internal gear (2) is connected with a bearing.

5. The driving device for a scraper conveyor for an ultra-thin coal seam according to claim 1, characterized in that: The left end cover (1) is internally connected to a planetary gear (3), the surface of the planetary gear (3) is internally connected to a planetary carrier (15), and the interior of the planetary carrier (15) is fixedly connected to a roller (10).

6. The driving device for a scraper conveyor for an ultra-thin coal seam according to claim 1, characterized in that: The left end cover (1) is internally connected with a center wheel (4), and the center wheel (4) is connected to the output shaft of the drive motor (13) via a wheel shaft (5) and a coupling (6), and the coupling (6) is a flexible coupling (6).

7. The driving device for an ultra-thin coal seam scraper conveyor according to claim 3, characterized in that: The left end cover (1) and the right end cover (14) are internally connected with rolling bearings (9), the outer rings of the rolling bearings (9) are connected with the inner rings of the left end cover (1) and the right end cover (14), the inner rings of the rolling bearings (9) are in contact with the outer wall of the roller (10), the surface of the motor frame (12) is fixedly connected with a support plate (11), the end of the support plate (11) is connected with a drive motor (13), the support plates (11) extend from the center of the motor frame (12) and are four in number, and the surface of the roller (10) is connected with a sprocket (8).

Images