CN111530868A

CN111530868A - Dead-angle-free coal residue cleaning machine

Info

Publication number: CN111530868A
Application number: CN202010426177.3A
Authority: CN
Inventors: 闫鹏宇
Original assignee: Wenzhou Xingsheng Environmental Protection Technology Co ltd
Current assignee: Wenzhou Xingsheng Environmental Protection Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-14

Abstract

The invention discloses a dead-corner-free coal residue cleaning machine, which comprises a supporting table, wherein a moving device is arranged on the supporting table, the moving device comprises first rotating shafts which are symmetrical in four corners and can rotate and are arranged in the lower end surface of the supporting table, when the cleaning machine moves, the four first rotating shafts can be driven by a transmission system to synchronously rotate at the same angle, a telescopic device is arranged above the supporting table, the telescopic device comprises a supporting block fixedly arranged on the upper end surface of the supporting table, a first scraper blade is fixedly arranged at the left end of a first connecting block, the cleaning dead corner in residue scraping operation can be eliminated through the matching between the moving device and a turnover device, coal residues at corners in a residue cavity are scraped and cleaned, and the turnover device is turned over by the first scraper blade and a second scraper blade in the process of scraping the coal residues by the scraper blade driven by the telescopic device, more coal residues can be brought out, so that the cleaning operation is more efficient and faster, and the time is saved.

Description

Dead-angle-free coal residue cleaning machine

Technical Field

The invention relates to the technical field of slag raking machines, in particular to a dead-corner-free coal residue cleaning machine.

Background

The current coal is a solid combustible mineral formed by ancient plants buried underground and undergoing complex biochemical and physicochemical changes gradually, is one of main energy sources used by the human world since the eighteenth century, and has entered the twenty-first century, although the value of the coal is not as good as before, the coal is one of indispensable energy sources for production and life of human beings within a long time now and in the future, and is related to the stability of the development of the industry of China and the aspects of the whole society, and a lot of coal residues are inevitably remained in the transportation process of the coal and after the coal is combusted, and are generally removed by manual cleaning, but the residues are adhered to the cavity wall to bring great inconvenience to cleaning work, and the cleaning efficiency is poor. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows: during the transportation process of coal and after the coal is combusted, a lot of coal residues are inevitably left, and are generally swept away by manpower, however, the residues are adhered to the cavity wall, which brings great inconvenience to the cleaning work, and the cleaning quality is poor and the efficiency is low.

In order to solve the problems, the embodiment designs a dead-corner-free coal residue cleaning machine, which comprises a supporting table, wherein a moving device is arranged on the supporting table, the moving device comprises a first rotating shaft which is arranged in the lower end surface of the supporting table in a rotating manner and is symmetrical in four corners, a fixed block is fixedly arranged at the lower end of the first rotating shaft, a wheel groove with a downward opening is formed in the lower end surface of the fixed block, a first motor is fixedly arranged in the front wall of the wheel groove, the rear end of the first motor is positioned under the first rotating shaft, a ground wheel with the lower end extending outwards is connected in a power mode, when the cleaning machine needs to move in the cleaning operation process, the four first rotating shafts can be driven by a transmission system to rotate at the same angle synchronously, the cleaning machine can move conveniently, a telescopic device is arranged above the supporting table and comprises a supporting block fixedly arranged on the upper end surface of the supporting table, the supporting block is provided with a first telescopic slideway which is communicated from left to right, a first telescopic rod is arranged in the first telescopic slideway and can be penetrated from left to right and can slide from left to right, the left end of the first telescopic rod is provided with a connecting groove, a first connecting block with the left end extending outwards is arranged between the upper wall and the lower wall of the connecting groove in a rotating manner, the left end of the first connecting block is fixedly provided with a first scraper, the left end of the first telescopic rod is provided with a turnover device, the turnover device comprises a first slide block cavity which is arranged at the left end of the rear end surface of the first telescopic rod and has a backward opening, a first screw rod is arranged between the left wall and the right wall of the first slide block cavity in a rotating manner, a fourth motor is fixedly arranged in the left wall of the first slide block cavity, the left end of the first screw rod is in a power connection manner, a first slide block which can slide from left to right in the, first slider upper end extends to outside and can the pivoted be equipped with the connecting rod, the fixed second connecting block that is equipped with of first scraper blade rear end face, the one end of connecting rod can the pivoted connect in second connecting block up end. Preferably, the moving device comprises first worm gear cavities respectively arranged in the support table and above the first rotating shaft, the upper end of the first rotating shaft extends into the first worm gear cavity and is fixedly provided with a first worm gear, a second rotating shaft penetrates through and is rotatably arranged between the first worm gear cavities on the front side and the rear side, first worms meshed with the first worm gears are fixedly arranged in the first worm gear cavities at the front end and the rear end of the second rotating shaft, first gear cavities are arranged between the first worm gear cavities on the front side and the rear side, a first helical gear is fixedly arranged in the first gear cavity and penetrates through the first gear cavity, a second gear cavity is arranged between the first gear cavities on the left side and the right side, a third rotating shaft penetrates through and is rotatably arranged between the first gear cavity and the second gear cavity, and one end of the third rotating shaft in the first gear cavity is fixedly arranged on a second helical gear meshed with the first helical gear, a fourth helical gear is fixedly arranged at one end of the third rotating shaft in the second gear cavity, a second motor is fixedly arranged in the front wall of the second gear cavity, and a third helical gear meshed with the fourth helical gear is in power connection with the rear end of the second motor.

Preferably, the telescopic device comprises a second telescopic slideway which is communicated with the upper wall of the first telescopic rod and penetrates from left to right, a second telescopic rod is arranged in the second telescopic slideway in a left-right penetrating way and capable of sliding left and right, a limiting cavity with a downward opening is arranged on the lower end surface of the second telescopic rod, a limiting block fixedly connected with the first telescopic rod is arranged in the limiting cavity and can slide left and right, a first spring is fixedly connected between the right end of the limiting block and the inner wall of the limiting cavity, the upper wall of the second telescopic slideway is communicated with a through hole which is communicated with the left and the right, a worm gear which is fixedly connected with the upper end surface of the second telescopic rod is arranged in the through hole in a left-right penetrating way and can slide left and right, the upper wall of the through hole is communicated with a worm cavity, a third motor is fixedly arranged in the left wall of the worm cavity, and the right end of the third motor is in power connection with a second worm meshed with the worm rack.

Preferably, turning device is including locating first scraper blade right-hand member face opening right and opening forward turn over the board chamber, it is equipped with second slider chamber to turn over board chamber upper and lower wall symmetry and intercommunication, can the pivoted be equipped with the second screw rod between the wall before the second slider chamber, gliding be equipped with screw thread connection around the second slider chamber in the second screw rod of second screw rod, can the pivoted be equipped with between the second slider turn over the board, it extends to outer and fixed being equipped with the second scraper blade to turn over the board front end.

Preferably, the third connecting block at the left end of the front end face of the first telescopic rod, the upper end face of the third connecting block can be provided with a first turnover rod in a rotating manner, the right end face of the turnover plate is fixedly provided with a fixed rod, the right end of the fixed rod can be provided with a second turnover rod in a rotating manner, the rear end face of the second turnover rod is provided with a spring cavity with a backward opening, and the front end of the first turnover rod extends into the spring cavity and is fixedly connected with a second spring between the inner walls of the spring cavity.

Preferably, a second worm wheel cavity is formed in the rear wall of the second slider cavity, the rear end of the second screw extends into the second worm wheel cavity and is fixedly provided with a second worm wheel, a fourth rotating shaft penetrates through and is rotatably arranged between the second worm wheel cavity on the upper side and the second worm wheel cavity on the lower side, a fourth rotating shaft meshed with the second worm wheel is fixedly arranged at the upper end and the lower end of the fourth rotating shaft respectively in the second worm wheel cavity, a third gear cavity is formed in the rear wall of the turnover plate cavity, the fourth rotating shaft penetrates through the third gear cavity and is fixedly provided with a fifth helical gear in the third gear cavity, a fifth motor is fixedly arranged on the rear wall of the third gear cavity, and the front end of the fifth motor is in power connection with a sixth helical gear meshed with the fifth helical gear.

The invention has the beneficial effects that: according to the invention, through the cooperation between the moving device and the turnover device, the cleaning dead angle in the slag scraping operation is eliminated, the coal residues at the corners in the residue chamber are also scraped and cleaned, and in the process that the telescopic device drives the scraper to scrape the coal residues, the turnover device is turned over by the first scraper and the second scraper, so that more coal residues can be brought out, the cleaning operation is more efficient and faster, and the time is saved.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic overall structure diagram of a dead-corner-free coal residue cleaning machine of the present invention;

FIG. 2 is a sectional view taken in the direction "A-A" of FIG. 1;

FIG. 3 is a sectional view taken in the direction "B-B" of FIG. 1;

FIG. 4 is a cross-sectional view taken in the direction "C-C" of FIG. 1;

FIG. 5 is a cross-sectional view taken in the direction "D-D" of FIG. 2;

FIG. 6 is a cross-sectional view taken in the direction "E-E" of FIG. 4;

FIG. 7 is an enlarged schematic view of "F" of FIG. 4;

FIG. 8 is a sectional view taken in the direction "G-G" of FIG. 7;

fig. 9 is an enlarged schematic view of "H" of fig. 7.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a dead-corner-free coal residue cleaning machine which is mainly applied to cleaning operation of coal residues, and the invention is further explained by combining the attached drawings of the invention: the invention relates to a dead-corner-free coal residue cleaning machine, which comprises a supporting table 11, wherein a moving device 101 is arranged on the supporting table 11, the moving device 101 comprises a first rotating shaft 12 which is arranged in the lower end surface of the supporting table 11 in a four-corner symmetrical manner and can rotate, a fixed block 13 is fixedly arranged at the lower end of the first rotating shaft 12, a wheel groove 14 with a downward opening is arranged on the lower end surface of the fixed block 13, a first motor 15 is fixedly arranged in the front wall of the wheel groove 14, a ground wheel 16 with the lower end extending outwards is connected with the rear end of the first motor 15 and is positioned right below the first rotating shaft 12 in a power mode, when the cleaning machine needs to move in the cleaning operation process, the four first rotating shafts 12 can be driven by a transmission system to rotate synchronously at the same angle, the cleaning machine is convenient to move, a telescopic device 102 is arranged above the supporting table 11, the telescopic device 102 comprises a supporting block 29 fixedly arranged on the, the supporting block 29 is provided with a first telescopic slide 30 which is penetrated through from left to right, the first telescopic slide 30 is internally provided with a first telescopic rod 31 which penetrates through from left to right and slides from left to right, the left end of the first telescopic rod 31 is provided with a connecting groove 32, a first connecting block 33 which is arranged between the upper wall and the lower wall of the connecting groove 32 and can rotate and extend from the left end to the outside is arranged, the left end of the first connecting block 33 is fixedly provided with a first scraper 34, the left end of the first telescopic rod 31 is provided with a turnover device 103, the turnover device 103 comprises a first slide block cavity 45 which is arranged at the left end of the rear end surface of the first telescopic rod 31 and has a backward opening, a first screw rod 46 which can rotate is arranged between the left wall and the right wall of the first slide block cavity 45, a fourth motor 47 is fixedly arranged in the left wall of the first slide block cavity 45, the left end of the first screw rod 46 is connected with a first slide block 48 which is provided with the first screw rod 46 and can slide from left, the upper end of the first sliding block 48 extends to the outside and can be rotated to form a connecting rod 49, a second connecting block 50 is fixedly arranged on the rear end face of the first scraper 34, and one end of the connecting rod 49 can be rotated to be connected to the upper end face of the second connecting block 50.

Advantageously, as will be described in detail below, the moving device 101 includes first worm gear cavities 17 respectively disposed in the supporting platform 11 and located above the first rotating shaft 12, the upper end of the first rotating shaft 12 extends into the first worm gear cavities 17 and is fixedly provided with first worm gears 18, second rotating shafts 19 are disposed between the first worm gear cavities 17 on the front and rear sides in a penetrating manner and are rotatable, first worm gears 20 engaged with the first worm gears 18 are fixedly disposed in the first worm gear cavities 17 at the front and rear ends of the second rotating shafts 19, first gear cavities 21 are disposed between the first worm gear cavities 17 on the front and rear sides, the second rotating shafts 19 penetrate through the first gear cavities 21 and are fixedly provided with first helical gears 22 in the first gear cavities 21, second gear cavities 25 are disposed between the first gear cavities 21 on the left and right sides, third rotating shafts 23 are disposed between the first gear cavities 21 and the second gear cavities 25 in a penetrating manner and are rotatable, one end of the third rotating shaft 23 in the first gear cavity 21 is fixedly arranged on a second helical gear 24 meshed with the first helical gear 22, one end of the third rotating shaft 23 in the second gear cavity 25 is fixedly provided with a fourth helical gear 28, a second motor 26 is fixedly arranged in the front wall of the second gear cavity 25, and the rear end of the second motor 26 is in power connection with a third helical gear 27 meshed with the fourth helical gear 28.

Beneficially, as will be described in detail below, the telescopic device 102 includes a second telescopic slide way 35 penetrating through the upper wall of the first telescopic rod 31 from left to right and communicating with the upper wall of the first telescopic rod 31, a second telescopic rod 36 penetrating through the second telescopic slide way 35 from left to right and sliding from left to right, a limiting cavity 37 with a downward opening is disposed on the lower end surface of the second telescopic rod 36, a limiting block 38 fixedly connected to the first telescopic rod 31 is disposed in the limiting cavity 37 and capable of sliding from left to right, a first spring 39 is fixedly connected between the right end of the limiting block 38 and the inner wall of the limiting cavity 37, a through hole 40 penetrating through the upper wall of the second telescopic slide way 35 from left to right is disposed in the through hole 40, a worm rack 41 fixedly connected to the upper end surface of the second telescopic rod 36 is disposed in the through hole 40 and capable of sliding from left to right, a worm cavity 42 is disposed in the through hole 40, a third motor 43 is fixedly arranged in the left wall of the worm cavity 42, and a second worm 44 meshed with the worm rack 41 is dynamically connected to the right end of the third motor 43.

Beneficially, as detailed in the following, the turning device 103 includes a turning plate cavity 51 provided at the right end face of the first scraper 34 and having a rightward opening and a forward opening, the upper and lower walls of the turning plate cavity 51 are symmetrical and are communicated with each other to form a second slider cavity 52, a second screw 53 is rotatably provided between the front wall and the rear wall of the second slider cavity 52, the second slider cavity 52 is provided with a second screw 53 capable of sliding back and forth, the second screw 53 is threadedly connected to the second screw 53, a turning plate 55 is rotatably provided between the second sliders 54, and a second scraper 56 is fixedly provided at the front end of the turning plate 55 and extends to the outside.

Beneficially, a third connecting block 57 is arranged at the left end of the front end face of the first telescopic rod 31, a first turning rod 58 is rotatably arranged at the upper end face of the third connecting block 57, a fixing rod 59 is fixedly arranged at the right end face of the turning plate 55, a second turning rod 60 is rotatably arranged at the right end face of the fixing rod 59, a spring cavity 61 with a backward opening is arranged at the rear end face of the second turning rod 60, and a second spring 62 is fixedly connected between the front end of the first turning rod 58 extending into the spring cavity 61 and the inner wall of the spring cavity 61.

Beneficially, a second worm gear cavity 63 is arranged in the rear wall of the second slider cavity 52, the rear end of the second screw 53 extends into the second worm gear cavity 63 and is fixedly provided with a second worm gear 64, a fourth rotating shaft 65 penetrates through and is rotatably arranged between the second worm gear cavities 63 on the upper side and the lower side, the upper end and the lower end of the fourth rotating shaft 65 are respectively fixedly provided with a fourth rotating shaft 65 engaged with the second worm gear 64 in the second worm gear cavity 63, a third gear cavity 67 is arranged in the rear wall of the flip plate cavity 51, the fourth rotating shaft 65 penetrates through the third gear cavity 67 and is fixedly provided with a fifth helical gear 68 in the third gear cavity 67, a fifth motor 69 is fixedly arranged on the rear wall of the third gear cavity 67, and a sixth helical gear 70 engaged with the fifth helical gear 68 is dynamically connected to the front end of the fifth motor 69.

The following describes in detail the use steps of a dead-corner-free coal residue cleaning machine in the present disclosure with reference to fig. 1 to 9: at the beginning, the second telescopic rod 36 is at the right limit position, the first slide block 48 is at the right limit position, the first scraper 34 and the first telescopic rod 31 are in a parallel state, the second slide block 54 is at the rear limit position, the second scraper 56 is against the first scraper 34, the first turning rod 58 is at the lower limit position relative to the second turning rod 60, and the second spring 62 is in a stretched state all the time.

During operation, the first scraper 34 faces the cavity of the residue, the rear end face of the first scraper 34 clings to the rear wall of the cavity and extends into the cavity, the third motor 43 is started to drive the second worm 44 to rotate, the worm rack 41 and the second telescopic rod 36 are driven to slide left through the transmission of the worm and the worm rack, then the second telescopic rod 36 drives the first telescopic rod 31 to slide left, further when the second scraper 56 abuts against the left wall of the cavity, the fourth motor 47 is started to drive the first screw 46 to rotate, then the first slider 48 is driven to slide left through threaded connection, further the first scraper 34 is driven to turn forward through the connecting rod 49 so that the first scraper 34 turns over to be perpendicular to the first telescopic rod 31, in the process, the first telescopic rod 31 still slides left to ensure that the front end of the second scraper 56 clings to the left wall of the cavity all the time, coal residue clinging to the inner wall of the cavity is scraped away, then the fifth motor 69 is started to drive the sixth helical gear, and then the fifth bevel gear 68 and the fourth rotating shaft 65 are driven to rotate through gear engagement, then the fourth rotating shaft 65 drives the third worm 66 to rotate, and then the second screw 53 is driven to rotate through worm and gear transmission, and then the second slider 54 slides forwards, because the first turning rod 58 is connected with the second turning rod 60 through the second spring 62, in the process that the turning plate 55 slides forwards along with the second slider 54, the front ends of the turning plate 55 and the second scraper 56 turn rightwards, and then the third motor 43 drives the second worm 44 to rotate backwards, and then the first telescopic rod 31 slides rightwards to scrape out coal residues, and then when the first telescopic rod 31 extends into the chamber, the fourth motor 47 drives the first screw 46 to rotate backwards, so as to drive the first scraper 34 to reset, the fifth motor 69 drives the sixth bevel gear 70 to rotate backwards, and then the turning plate 55 and the second scraper 56 reset.

When the first telescopic rod 31 is extended into the chamber again and the first scraper 34 is turned over to be perpendicular to the first telescopic rod 31, the second motor 26 is started to drive the third bevel gear 27 to rotate, then the first worm 20 is driven to rotate by gear engagement, and the first worm wheel 18 is driven to synchronously rotate by worm and gear transmission, so that the fixed block 13 is driven to rotate by the same angle, then the first motor 15 is started to drive the land wheel 16 to rotate, so that the cleaning machine runs forwards, in the process of advancing the cleaner, due to the acting force of the first spring 39 on the limiting block 38, when the direction of the cleaner slightly deviates, the front end of the second scraper 56 can always abut against the left wall of the residue chamber, in the process, coal residues on the left wall of the residue chamber are scraped, and after the cleaning machine stops, the fifth motor 69 is started to drive the turning plate 55 and the second scraper 56 to turn over, so that the residues in the chamber are scraped.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a no dead angle coal residue descaling machine, includes a supporting bench, be equipped with mobile device on the supporting bench, its characterized in that: the moving device comprises a first rotating shaft which is symmetrical in four corners and can be arranged in the lower end face of the supporting table in a rotating mode, a fixed block is fixedly arranged at the lower end of the first rotating shaft, a wheel groove with a downward opening is formed in the lower end face of the fixed block, a first motor is fixedly arranged in the front wall of the wheel groove, the rear end of the first motor and the position under the first rotating shaft are in power connection with a land wheel with the lower end extending outwards, when the cleaning machine needs to move in the cleaning operation process, the four first rotating shafts can be driven by a transmission system to rotate synchronously at the same angle, the cleaning machine is convenient to move, a telescopic device is arranged above the supporting table and comprises a supporting block fixedly arranged on the upper end face of the supporting table, a first telescopic slideway is arranged on the supporting block in a left-right through mode, a first telescopic rod is arranged in the first telescopic slideway in a left-right through, the left end of the first telescopic rod is provided with a connecting groove, a first connecting block with the left end extending outwards is rotatably arranged between the upper wall and the lower wall of the connecting groove, a first scraper is fixedly arranged at the left end of the first connecting block, a turning device is arranged at the left end of the first telescopic rod, the turnover device comprises a first slide block cavity which is arranged at the left end of the rear end surface of the first telescopic rod and has a backward opening, a first screw rod is arranged between the left wall and the right wall of the first sliding block cavity in a rotating way, a fourth motor is fixedly arranged in the left wall of the first sliding block cavity, the left end of the first screw rod is in power connection with the fourth motor, a first sliding block which is in threaded connection with the first screw rod and can slide left and right in the first sliding block cavity is arranged, first slider upper end extends to outside and can the pivoted be equipped with the connecting rod, the fixed second connecting block that is equipped with of first scraper blade rear end face, the one end of connecting rod can the pivoted connect in second connecting block up end.

2. The dead-corner-free coal residue cleaning machine as claimed in claim 1, wherein: the moving device comprises first worm wheel cavities which are respectively arranged in the supporting table and are positioned above the first rotating shaft, the upper end of the first rotating shaft extends into the first worm wheel cavity and is fixedly provided with a first worm wheel, a second rotating shaft is arranged between the first worm wheel cavities on the front side and the rear side in a penetrating and rotating manner, the front end and the rear end of the second rotating shaft are fixedly provided with a first worm which is meshed with the first worm wheel in the first worm wheel cavity, a first gear cavity is arranged between the first worm wheel cavities on the front side and the rear side, the second rotating shaft penetrates through the first gear cavity and is fixedly provided with a first helical gear in the first gear cavity, a second gear cavity is arranged between the first gear cavity and the second gear cavity on the left side and the right side, a third rotating shaft is arranged between the first gear cavity and the second gear cavity in a penetrating and rotating manner, and one end of the third rotating shaft in the first gear cavity is fixedly arranged on a second helical gear which is meshed with the first helical gear, a fourth helical gear is fixedly arranged at one end of the third rotating shaft in the second gear cavity, a second motor is fixedly arranged in the front wall of the second gear cavity, and a third helical gear meshed with the fourth helical gear is in power connection with the rear end of the second motor.

3. The dead-corner-free coal residue cleaning machine as claimed in claim 1, wherein: the telescopic device comprises a second telescopic slideway which is communicated with the upper wall of the first telescopic rod and is communicated with the left and the right, a second telescopic rod is arranged in the second telescopic slideway in a left-right penetrating way and capable of sliding left and right, a limiting cavity with a downward opening is arranged on the lower end surface of the second telescopic rod, a limiting block fixedly connected with the first telescopic rod is arranged in the limiting cavity and can slide left and right, a first spring is fixedly connected between the right end of the limiting block and the inner wall of the limiting cavity, the upper wall of the second telescopic slideway is communicated with a through hole which is communicated with the left and the right, a worm gear which is fixedly connected with the upper end surface of the second telescopic rod is arranged in the through hole in a left-right penetrating way and can slide left and right, the upper wall of the through hole is communicated with a worm cavity, a third motor is fixedly arranged in the left wall of the worm cavity, and the right end of the third motor is in power connection with a second worm meshed with the worm rack.

4. The dead-corner-free coal residue cleaning machine as claimed in claim 1, wherein: turning device is including locating first scraper blade right-hand member face opening just opens the antecedent board chamber that turns over right, it is equipped with second slider chamber to turn over board chamber upper and lower wall symmetry and intercommunication, can the pivoted be equipped with the second screw rod between the wall before the second slider chamber, gliding be equipped with screw thread connection around the second slider intracavity in the second screw rod of second screw rod, can the pivoted be equipped with between the second slider and turn over the board, it extends to outer and fixed being equipped with the second scraper blade to turn over the board front end.

5. The dead-corner-free coal residue cleaning machine as claimed in claim 1, wherein: the spring cavity is characterized by comprising a third connecting block at the left end of the front end face of the first telescopic rod, a first turnover rod is arranged on the upper end face of the third connecting block in a rotatable manner, a fixed rod is fixedly arranged on the right end face of the turnover plate, a second turnover rod is arranged at the right end of the fixed rod in a rotatable manner, a spring cavity with a backward opening is arranged on the rear end face of the second turnover rod, and a second spring is fixedly connected between the front end of the first turnover rod and the inner wall of the spring cavity.

6. The dead-corner-free coal residue cleaning machine as claimed in claim 4, wherein: the second slider cavity rear wall is internally provided with a second worm gear cavity, the rear end of the second screw rod extends to a second worm gear cavity and is fixedly provided with a second worm gear, the upper side and the lower side of the second worm gear cavity are provided with a fourth rotating shaft in a penetrating and rotatable manner, the upper end and the lower end of the fourth rotating shaft are respectively fixedly provided with a fourth rotating shaft which is meshed with the second worm gear in the second worm gear cavity, the turning plate cavity rear wall is internally provided with a third gear cavity, the fourth rotating shaft penetrates through the third gear cavity and is fixedly provided with a fifth helical gear in the third gear cavity, the third gear cavity rear wall is fixedly provided with a fifth motor, and the front end of the fifth motor is in power connection with a sixth helical gear which is meshed with the fifth helical gear.