CN218132151U

CN218132151U - Opencut coal mine coal mining and excavating device

Info

Publication number: CN218132151U
Application number: CN202221775477.3U
Authority: CN
Inventors: 林型政; 张守雄; 崔玉峰; 杨金山
Original assignee: Baicheng Xinxing Mining Development Co ltd
Current assignee: Baicheng Xinxing Mining Development Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-27
Anticipated expiration: 2032-07-11

Abstract

The utility model belongs to the technical field of the colliery processing technique and specifically relates to indicate an opencut coal mine coal adopts excavating device. It has solved the problem that can not smash the coal cinder. It includes the base, is equipped with the hopper on the base, is provided with the transfer passage with the hopper intercommunication on the base, rotates on the hopper and is connected with the apron, and the apron covers the bottom opening of hopper, is equipped with two parallel arrangement's crushing roller in the transfer passage, and circumference is equipped with broken tooth on the crushing roller, and there is the clearance between two broken toothings, is equipped with on the base to be used for driving two synchronous pivoted actuating mechanism in opposite directions of broken tooth. The utility model discloses can smash the coal cinder, avoid the coal cinder to block up, ensure the working process normal.

Description

Opencut coal mine coal mining and excavating device

Technical Field

The utility model belongs to the technical field of the colliery processing technique and specifically relates to indicate an opencut coal mine coal adopts excavating device.

Background

For a long time, the mining of medium and small coal mines, particularly medium and thin and extremely thin layer coal mines at home and abroad is almost all manual operation, and safe and effective production machinery is not available. A large number of coal outburst and marsh gas mines in China can only be manually operated, so far, the coal outburst phenomenon cannot be accurately predicted in the world like an earthquake, a very effective prevention means is not provided, the phenomenon is sensed by the experience of workers, a large number of coal mine workers die of the coal outburst accidents, the working efficiency is extremely low, and the danger is extremely high.

When the existing coal mining machine encounters hard stone blocks in coal mining work, the coal blocks can not be crushed, so that the coal blocks are easy to block in a conveying channel in the machine, and the working process is influenced.

Disclosure of Invention

The utility model provides an opencut coal mine coal is adopted and is dug device can smash the coal cinder, avoids the coal cinder to block up, and the guarantee course of work is normal.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a coal mining and excavating device for opencut coal mine, includes the base, be equipped with the hopper on the base, be provided with the transfer passage with the hopper intercommunication on the base, it is connected with the apron to rotate on the hopper, the apron covers the bottom opening of hopper, be equipped with two parallel arrangement's crushing roller in the transfer passage, circumference is equipped with broken tooth on the crushing roller, two there is the clearance between broken tooth, be equipped with on the base and be used for driving two synchronous pivoted actuating mechanism in opposite directions of broken tooth.

Further, fixedly connected with pivot on the apron, the pivot rotates to be connected on the hopper, be equipped with the rotation motor on the hopper, the output and the pivot coaxial link firmly of rotation motor.

Furthermore, a rotating opening is formed in one side of the top end of the hopper, the rotating shaft is located at the opening of the rotating opening, a chamfer is arranged at the free end of the bottom surface of the cover plate, a chamfer transition is formed in one end of the rotating shaft at the opening of the top end of the hopper, a partition plate is arranged on the bottom surface of the cover plate, and the inner side of the partition plate is flush with the inner side of the hopper when the cover plate rotates in a vertical state.

Furthermore, a bottom plate extends outwards from the rotary opening, a positioning plate longitudinally extends from the bottom plate, and the cover plate is attached to the positioning plate in a vertical state when rotating.

Further, actuating mechanism includes driving motor, drive gear, auxiliary gear, first gear and second gear, driving motor locates on the base, drive gear links firmly with driving motor's the output is coaxial, auxiliary gear horizontal rotation connects on the base, auxiliary gear and first gear mesh with drive gear's both sides respectively, drive gear's one side meshing is kept away from with auxiliary gear to the second gear, first gear and second gear link firmly with two crushing roller one-to-one coaxial respectively, the synchronous downwardly rotating of the opposite sides that drives first gear and second gear when driving motor rotates.

Further, the two crushing rollers have different diameters.

Furthermore, a vibration motor is arranged on the hopper.

Further, conveying channel's bottom slope sets up, conveying channel's bottom opening part corresponds and is provided with the row's of horizontal extension storehouse.

The utility model has the advantages that:

1. the coal briquette can be crushed, the blockage of the coal briquette is avoided, and the normal working process is guaranteed.

2. When the coal cinder flows on two crushing rollers, flow to the less crushing roller of diameter, do benefit to and prevent that the coal cinder from piling up between two crushing rollers, be convenient for promote the coal cinder crushing effect.

3. The coal block shaking device is beneficial to shaking the coal block, so that the moving effect of the coal block is accelerated, the coal block positioned between the crushing roller and the inner side of the conveying channel can be shaken conveniently, and the coal block remained between two dead angles of the crushing roller can be shaken out.

Drawings

FIG. 1 is a schematic view of a first configuration of the present opencast coal mine coal mining device;

FIG. 2 is a cross-sectional view of the open pit coal mine coal mining device;

FIG. 3 is a second schematic illustration of the open pit coal mine coal mining device;

FIG. 4 is a schematic third construction of the open pit coal mine coal mining device;

FIG. 5 is an enlarged view taken at A in FIG. 4;

description of the reference numerals:

1. a base; 2. a hopper; 3. a delivery channel; 4. a cover plate; 5. a crushing roller; 6. crushing teeth; 7. a drive mechanism; 71. a drive motor; 72. a drive gear; 73. an auxiliary gear; 74. a first gear; 75. a second gear; 8. a rotating shaft; 9. rotating the motor; 10. turning the opening; 11. chamfering; 12. a partition plate; 13. a base plate; 14. positioning a plate; 15. a vibration motor; 16. and discharging a material bin.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1-5, an opencut coal mining and excavating device comprises a base 1, a hopper 2 is arranged on the base 1, a conveying channel 3 communicated with the hopper 2 is arranged on the base 1, a cover plate 4 is connected to the hopper 2 in a rotating manner, the cover plate 4 covers the bottom opening of the hopper 2, two crushing rollers 5 arranged in parallel are arranged in the conveying channel 3, crushing teeth 6 are circumferentially arranged on the crushing rollers 5, a gap exists between the two crushing teeth 6, and a driving mechanism 7 used for driving the two crushing teeth 6 to rotate synchronously and oppositely is arranged on the base 1.

As shown in fig. 1, 2 and 5, in this embodiment, the cover plate 4 is fixedly connected with a rotating shaft 8, the rotating shaft 8 is rotatably connected to the hopper 2, the hopper 2 is provided with a rotating motor 9, and the output end of the rotating motor 9 is coaxially fixedly connected with the rotating shaft 8.

The cover plate 4 is driven to rotate by the arranged rotating motor 9, so that the rotation of the cover plate 4 is controlled, the labor is saved, and the automatic control is facilitated.

As shown in fig. 1, 3, and 4, in this embodiment, a rotary opening 10 is formed at one side of the top end of the hopper 2, the rotating shaft 8 is located at an opening of the rotary opening 10, a chamfer 11 is formed at a free end of the bottom surface of the cover plate 4, the opening at the top end of the hopper 2 is provided with a chamfer 11 at one end of the rotating shaft 8 (as is clear from the drawing, no reference numeral is added in the drawing and the description), a partition plate 12 is arranged at the bottom surface of the cover plate 4, and when the cover plate 4 rotates, the inner side of the partition plate 12 is flush with the inner side of the hopper 2 in a vertical state.

Through the arranged rotating opening 10, the cover plate 4 is combined with the inner wall of the hopper 2 when being vertical, so that the cover plate 4 can be conveniently hidden and rotated to be in a vertical state, and the structure is compact; the chamfer 11 and the chamfer 11 are arranged excessively, so that the cover plate 4 can rotate smoothly; through the baffle 12 that sets up, the inboard of baffle 12 flushes with the inboard of hopper 2 when apron 4 rotates the vertical state, and the inboard of being convenient for ensure hopper 2 flushes, reduces colliding with between coal briquette and apron 4, and the coal briquette of being convenient for flows smoothly at this open end.

As shown in fig. 2 and 4, in the present embodiment, a bottom plate 13 extends outward from the rotary opening 10, and a positioning plate 14 extends longitudinally from the bottom plate 13, and is attached to the positioning plate 14 in an upright state when the cover plate 4 rotates.

The cover plate 4 can be accurately positioned when vertically placed, and the cover plate 4 can be rotated quickly.

As shown in fig. 2, 3, and 5, in this embodiment, the driving mechanism 7 includes a driving motor 71, a driving gear 72, an auxiliary gear 73, a first gear 74, and a second gear 75, the driving motor 71 is disposed on the base 1, the driving gear 72 is coaxially and fixedly connected to an output end of the driving motor 71, the auxiliary gear 73 is horizontally and rotatably connected to the base 1, the auxiliary gear 73 and the first gear 74 are respectively engaged with two sides of the driving gear 72, the second gear 75 is engaged with one side of the auxiliary gear 73 away from the driving gear 72, the first gear 74 and the second gear 75 are respectively and coaxially and correspondingly connected to the two crushing rollers 5, and when the driving motor 71 rotates, the driving opposite sides of the first gear 74 and the second gear 75 synchronously rotate downward.

As shown in fig. 1, 2, 4 and 5, the driving gear 72 is driven to rotate by the driving motor 71, the auxiliary gear 73 and the first gear 74 are driven to rotate, the steering direction of the auxiliary gear 73 is the same as that of the first gear 74, the second gear 75 is driven to rotate by the auxiliary gear 73, the steering direction of the driving gear 72 is opposite to that of the auxiliary gear 73, so that the steering directions of the first gear 74 and the second gear 75 are ensured to be opposite, the driving motor 71 drives the opposite sides of the first gear 74 and the second gear 75 to synchronously rotate downwards when rotating, so that the crushing teeth 6 are driven to crush the coal blocks, the crushing degree of the coal blocks is controlled by gaps existing between the crushing teeth 6 until the coal blocks can smoothly flow to the bottom of the conveying channel 3 after being crushed, the crushing effect of the coal blocks is effectively improved, the coal blocks can be crushed, the blockage of the coal blocks is avoided, and the normal working process is ensured.

In this embodiment, the two crushing rollers 5 are not the same diameter. When the coal cinder flows on two crushing rollers 5, flow to the less crushing roller 5 of diameter, do benefit to and prevent that the coal cinder from piling up between two crushing rollers 5, be convenient for promote the coal cinder crushing effect.

As shown in fig. 3, in the present embodiment, the hopper 2 is provided with a vibration motor 15. The coal block shaking device is beneficial to shaking the coal block, accelerates the moving effect of the coal block, is convenient for shaking the coal block between the inner sides of the crushing roller 5 and the conveying channel 3, and can shake out the coal block remained between two dead angles of the crushing roller 5.

As shown in fig. 2 and 3, in this embodiment, the bottom end of the conveying channel 3 is obliquely arranged, and a horizontally extending discharging bin 16 is correspondingly arranged at the opening of the bottom end of the conveying channel 3.

After being crushed, the coal blocks fall downwards through a gap between the two crushing rollers 5 and the inner wall of the conveying channel 3, flow out along the bottom of the conveying channel 3 and are finally discharged smoothly through the discharge bin 16.

All the technical features in the embodiment can be freely combined according to actual needs.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The above embodiment is a preferred implementation scheme of the present invention, and in addition, the present invention includes other implementation schemes, and any obvious replacement is within the protection scope of the present invention without departing from the concept of the present invention.

Claims

1. The utility model provides an opencut coal mine coal mining and excavating device, includes base (1), be equipped with hopper (2) on base (1), be provided with on base (1) with delivery passage (3) of hopper (2) intercommunication, a serial communication port, it is connected with apron (4) to rotate on hopper (2), apron (4) cover the bottom opening of hopper (2), be equipped with two parallel arrangement's crushing roller (5) in delivery passage (3), circumference is equipped with broken tooth (6) on crushing roller (5), two there is the clearance between broken tooth (6), be equipped with on base (1) and be used for driving two broken tooth (6) synchronous pivoted actuating mechanism (7) in opposite directions.

2. An opencut coal mining device according to claim 1, wherein a rotating shaft (8) is fixedly connected to the cover plate (4), the rotating shaft (8) is rotatably connected to the hopper (2), a rotating motor (9) is arranged on the hopper (2), and an output end of the rotating motor (9) is coaxially and fixedly connected with the rotating shaft (8).

3. The coal mining and excavating device for the open pit coal mine according to claim 2, characterized in that a rotary opening (10) is formed at one side of the top end of the hopper (2), the rotary shaft (8) is positioned at the opening of the rotary opening (10), a chamfer (11) is formed at the free end of the bottom surface of the cover plate (4), the transition of the chamfer (11) at one end of the rotary shaft (8) is formed at the top end opening of the hopper (2), a partition plate (12) is arranged at the bottom surface of the cover plate (4), and the inner side of the partition plate (12) is flush with the inner side of the hopper (2) in a vertical state when the cover plate (4) rotates.

4. An opencast coal mine coal mining device as defined in claim 3, wherein a bottom plate (13) extends outwardly from the mouth (10), and a retainer plate (14) extends longitudinally from the bottom plate (13) and engages the retainer plate (14) when the cover plate (4) is rotated in the upright position.

5. The opencast coal mine coal mining and excavating device according to claim 1, characterized in that the driving mechanism (7) includes a driving motor (71), a driving gear (72), an auxiliary gear (73), a first gear (74) and a second gear (75), the driving motor (71) is disposed on the base (1), the driving gear (72) is coaxially and fixedly connected with an output end of the driving motor (71), the auxiliary gear (73) is horizontally and rotatably connected to the base (1), the auxiliary gear (73) and the first gear (74) are respectively engaged with two sides of the driving gear (72), the second gear (75) is engaged with one side of the auxiliary gear (73) far away from the driving gear (72), the first gear (74) and the second gear (75) are respectively coaxially and correspondingly fixedly connected with the two crushing rollers (5), and when the driving motor (71) rotates, the opposite sides of the first gear (74) and the second gear (75) are synchronously and downwardly rotated.

6. An opencast coal mine coal mining device according to claim 5, wherein the two crushing rollers (5) are of different diameters.

7. An opencast coal mine coal mining device as defined in claim 1, wherein the hopper (2) is provided with a vibration motor (15).

8. An opencut coal mining device according to claim 1, characterized in that the bottom end of the conveying channel (3) is arranged obliquely, and a horizontally extending discharge bin (16) is correspondingly arranged at the opening at the bottom end of the conveying channel (3).