CN217497749U

CN217497749U - Low-grade material belt conveyor of regulation formula

Info

Publication number: CN217497749U
Application number: CN202220143163.5U
Authority: CN
Inventors: 柯秋璧; 杨俊�; 胡海军; 杨海舰; 殷亮子
Original assignee: Wuhu Conch Cement Co Ltd
Current assignee: Wuhu Conch Cement Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-09-27
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses an adjustable low-grade material belt conveyor, which comprises a transfer platform foundation, a first blanking scraper-trough conveyer, a transfer platform device, a first conveyor belt, a fixed foundation, a driving motor, a material ladder group, a second blanking scraper-trough conveyer, a first driving roller, a second driving roller, a chain, a second conveyor belt and an adjusting device, a mounting column is fixed above the foundation of the transfer platform, a first baffle group is arranged above the first discharging chute, one side of the transfer platform device is fixed above a transfer platform foundation through a mounting column, the first conveying belt wrapping head wheel driving device is in driving connection with the conveying rollers, the adjustable low-grade material belt conveying device is provided with the fixing column, the effect of fixedly connecting two ends is achieved through the fixing column, and thereby play the effect that the atress was supported through the fixed column, play the effect of atress relative motion simultaneously through the fixed column in proper order.

Description

Low-grade material belt conveyor of regulation formula

Technical Field

The utility model relates to a low grade material belt conveyor technical field specifically is a low grade material belt conveyor of regulation formula.

Background

The low-grade material refers to a material with the calcium oxide percentage content range of 25.21-44.21, the low-grade material is one of main raw materials for producing clinker cement, the low-grade material is mined limestone in a mine, and due to the fact that height distance difference exists between the existing belt conveying devices, the limestone can be conveyed to other positions through multiple times of transferring in the limestone conveying process, the conveying speed is low, and conveying efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, a low grade material belt conveyors of regulation formula is provided, in order to solve the above-mentioned background art and to have the difference in height distance between the current belt conveyors who provides the through and lead to need just can carry the lime stone in the condition of other positions through transporting many times among the lime stone transportation process, not only so conveying speed is low still causes the slow condition of conveying efficiency, and current belt conveyors all takes head pulley drive arrangement to drive, lead to the unable condition of carrying out reverse transport of whole belt conveyors simultaneously, current belt conveyors one end can't be adjusted in proper order, lead to whole belt conveyors to reform transform the back can't carry the lime stone in corresponding regional problem of placing.

In order to achieve the above object, the utility model provides a following technical scheme: a regulating type low-grade material belt conveying device comprises a transfer platform foundation, a first blanking scraper-trough conveyer, a transfer platform device, a first conveying belt, a fixed foundation, a driving motor, a material ladder group, a second blanking scraper-trough conveyer, a first driving roller, a second driving roller, a chain, a second conveying belt and an adjusting device, wherein an installation column is fixed above the transfer platform foundation, a fixed frame is installed on one side of the transfer platform foundation, a first baffle group is installed above the first blanking scraper-trough conveyer, one end of the first blanking scraper-trough conveyer penetrates through the fixed frame to be fixedly connected with the fixed frame, one side of the transfer platform device is fixed above the transfer platform foundation through the installation column, a head wheel driving device is installed on one side inside the transfer platform device, meanwhile, the other side inside the transfer platform device is rotatably installed with a conveying roller, and the first conveying belt wraps the head wheel driving device and is driven by the conveying roller to be connected, the fixed foundation is arranged on one side of the transfer platform foundation, and a stress frame is arranged above the fixed foundation;

by adopting the technical scheme, the fixing frame is arranged, the effect of fixed connection is achieved through the fixing frame, the effect of penetrating through the fixed connection is achieved through the fixing frame, and the effect of bearing support is achieved through the fixing frame;

one end of the driving motor is fixedly provided with a driving gear, the other end of the driving motor is fixedly connected with the inner side of the stress frame, one end of the material ladder group is fixedly connected with one end of the first movable connecting piece group, one end of the other material ladder group is fixedly connected with the other end of the first movable connecting piece group, one side above the second discharging scraper-trough is fixedly provided with a second baffle, one end of the second discharging scraper-trough penetrates through the fixed frame and is fixedly connected with the fixed frame, meanwhile, the second discharging scraper-trough is fixedly connected with the lower part of the other end of the other material ladder group through the fixed frame, one end of the first driving roller penetrates through and is fixedly provided with a driven gear, the two ends of the first driving roller penetrate through one side inside the material ladder group and are movably connected with the other inside of the material ladder group, the other end of the material ladder group is fixedly connected with the upper part of the stress frame, the chain wraps the driving gear and the driven gear, the second conveying belt wraps the first driving roller and is in driving connection with the second driving roller;

by adopting the technical scheme, the driving motor is arranged, the effect of fixed connection is achieved through the driving motor, the effect of driving is achieved through the driving motor, meanwhile, the effect of driving rotation relative movement is achieved through the driving motor, and the driving motor is sequentially installed and fixed through the high-power driving motor, so that the situation that the small driving motor cannot drive the first driving roller to rotate in the working process and the rated output power of the small driving motor is exceeded to cause short circuit and wire burning of the whole driving motor is avoided;

the adjusting device is installed at the bottom of the material ladder group.

Preferably, the adjusting device comprises a sliding block, a second movable connecting member group, a sliding rod, a hydraulic telescopic rod, a third movable connecting member group and a fixing column, one side of the sliding block is fixedly connected with one end of the second movable connecting member group, the sliding rod penetrates through the sliding block and is fixedly connected with the bottom of the other material ladder group through the fixing block, one end of the hydraulic telescopic rod is fixedly connected with the other end of the other second movable connecting member group, the other end of the hydraulic telescopic rod is fixedly connected with one end of the third movable connecting member group, the other end of the third movable connecting member group is fixedly connected with one side of the fixing column, and one end of the fixing column is fixedly connected with one side of the bottom of the material ladder group.

Through adopting above-mentioned technical scheme, be equipped with the slider, not only play fixed connection's effect through the slider to thereby play through connection's effect through the slider, thereby play atress relative motion's effect simultaneously through the slider, thereby loop through the slider and play the effect that the slope atress supported, thereby the slider is provided with 1 group 2 once more and guarantees thereby another material ladder group atress slope in-process and keeps the slope in-process stability and the equilibrium of another material ladder group.

Preferably, the connection shape of the fixed foundation, the stress frame and the material ladder group is in a P shape.

Through adopting above-mentioned technical scheme, be equipped with the atress frame, not only play both sides fixed connection's effect through the atress frame, thereby play the effect that the atress supported through the atress frame, simultaneously play atress relative motion's effect equally through the atress frame, the atress frame takes steel sheet material to assemble in proper order and forms, the atress frame that forms through the equipment of steel sheet material not only provides higher installation stability for the material ladder group but also avoids the influence of mounting bracket material ladder group gravity to lead to the condition that atress slope and separation appear between mounting bracket and the fixed foundation.

Preferably, the driving motor, the driving gear, the driven gear, the first transmission roller, the second transmission belt and the second transmission roller form a rotation adjusting and conveying mechanism, and the rotation angle range of the rotation adjusting and conveying mechanism is 0-360 degrees.

Through adopting above-mentioned technical scheme, be equipped with first driving roller, not only play the effect that runs through fixed connection through first driving roller one end to thereby play the effect that runs through swing joint through first driving roller both ends, thereby play the effect that the atress drove simultaneously through first driving roller equally, thereby loop through first driving roller and play the effect of the relative rotary motion of atress, thereby play the effect that the parcel drove through first driving roller once more.

Preferably, the installation angle between the upper part of the second blanking slide and the second baffle ranges from 15 degrees to 25 degrees.

Through adopting above-mentioned technical scheme, be equipped with the second baffle, not only play fixed connection's effect through the second baffle, and keep off the effect that the atress drove equally through the second, thereby play the effect of carrying the fender material to the lime stone in the transportation process through the second baffle simultaneously, thereby avoid in proper order that the influence of another material ladder group slope transportation in-process lime stone atress leads to having corresponding unloading radian between lime stone and the second unloading scraper-trough conveyer easily, thereby surpass the circumstances that the unloading interval of second unloading scraper-trough conveyer fell in operational environment ground top when leading to the lime stone atress.

Preferably, the sliding block, the second movable connecting piece group, the sliding rod, the hydraulic telescopic rod, the third movable connecting piece group and the fixed column form a rotary sliding mechanism, and the rotating angle range of the rotary sliding mechanism is 0-30 degrees.

Through adopting above-mentioned technical scheme, be equipped with the slide bar, not only play through connection's effect through the slide bar to thereby play the effect of atress motion through the slide bar, thereby play fixed connection's effect through the slide bar simultaneously, loop through the slide bar and play the effect that the slope atress supported equally.

Compared with the prior art, the beneficial effects of the utility model are that: the adjustable belt conveyor for low-grade materials,

(1) the limestone conveying device is provided with a transfer platform foundation, a transfer platform device and a head wheel driving device, limestone conveyed above the transfer platform device is conveyed above other corresponding conveying devices in the working process of the wheel driving device, and the limestone can be conveyed to other positions only through multiple times of transfer in the conveying process of the limestone due to the height distance difference between the existing belt conveying devices, so that the conveying speed is low and the conveying efficiency is low;

(2) the driving motor is controlled to work through the controller, the driving gear is driven to move in the working process of the driving motor, meanwhile, the driven gear is driven to move through a chain in the working process of the driving gear, the first transmission roller and the second transmission belt are driven to work in the working process of the driven gear in sequence, limestone is conveyed in the working process of the second transmission belt again, and the second transmission belt is conveyed reversely in the positive and negative rotating working process of the driving motor, so that the existing belt conveying devices are driven by adopting a head wheel driving device, and meanwhile, the situation that the whole belt conveying device cannot convey reversely is caused;

(3) the adjusting device is arranged, the controller controls the hydraulic telescopic rod to work, the slide rod is driven to move through the slide block in the working process of the hydraulic telescopic rod, and meanwhile, the relative rotation height distance between the other material ladder group is adjusted in the moving process of the slide rod, so that the condition that limestone cannot be conveyed to a corresponding placing area after the whole belt conveying device is transformed due to the fact that one end of the existing belt conveying device cannot be adjusted is sequentially avoided;

(4) be provided with first unloading scraper-trough conveyer and second unloading scraper-trough conveyer, carry the lime stone in first conveyor belt top through the second unloading scraper-trough conveyer in the second conveyor belt working process to carry the lime stone respectively in other conveyer belt tops through first unloading scraper-trough conveyer and carry the processing both can, thereby avoid the unable accurate condition of carrying in other conveyer belt tops of first conveyor belt and second conveyer belt through first unloading scraper-trough conveyer and second unloading scraper-trough conveyer simultaneously.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic structural view of the material ladder group and the first movable connecting member group of the present invention;

fig. 3 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. the device comprises a transferring platform foundation, 2, a first blanking scraper-trough conveyer, 3, a first baffle group, 4, a transferring platform device, 5, a head wheel driving device, 6, a conveying roller, 7, a first conveying belt, 8, a fixed foundation, 9, a stress frame, 10, a driving motor, 11, a driving gear, 12, a material ladder group, 13, a first movable connecting piece group, 14, a second blanking scraper-trough conveyer, 15, a second baffle, 16, a first driving roller, 17, a driven gear, 18, a second driving roller, 19, a chain, 20, a second conveying belt, 21, an adjusting device, 2101, a sliding block, 2102, a second movable connecting piece group, 2103, a sliding rod, 2104, a hydraulic telescopic rod, 2105, a third movable connecting piece group, 2106 and a fixed column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a regulating type belt conveying device for low-grade materials is disclosed, as shown in figure 2, a mounting column is fixed above a transfer platform foundation 1, a fixing frame is installed on one side of the transfer platform foundation 1, a first baffle group 3 is installed above a first discharging chute 2, one end of the first discharging chute 2 penetrates through the fixing frame and is fixedly connected, one side of a transfer platform device 4 is fixed above the transfer platform foundation 1 through the mounting column, a head wheel driving device 5 is installed on one side inside the transfer platform device 4, a conveying roller 6 is installed on the other side inside the transfer platform device 4 in a rotating mode, a first conveying belt 7 wraps the head wheel driving device 5 and is in driving connection with the conveying roller 6, a fixed foundation 8 is installed on one side of the transfer platform foundation 1, a stress frame 9 is installed above the fixed foundation 8, a driving gear 11 is fixed at one end of a driving motor 10, and the other end of the driving motor 10 is fixedly connected with the inner side of the stress frame 9, one end of the material ladder group 12 is fixedly connected with one end of the first movable connecting piece group 13, one end of the other material ladder group 12 is fixedly connected with the other end of the other first movable connecting piece group 13, the connecting shape of the fixed foundation 8, the stress frame 9 and the material ladder group 12 is in a P shape, the connecting shape of the three is in a P shape, the practicability of the connection of the three is reflected, the simplicity and the stress stability of the connection of the three are reflected, the connecting shape of the three is in a P shape again, the whole weight of the material ladder group 12 is completely positioned above the fixed foundation 8 and the stress frame 9, meanwhile, the whole installation stability effect is provided for the material ladder group 12 after being integrally installed and fixed through the fixed foundation 8 and the stress frame 9, and the connecting shape of the three is in a P shape again, so that the other end of the material ladder group 12 can be conveniently adjusted relatively, when limestone needs to be conveyed, an operator controls the operation of the head wheel driving device 5 through the controller, the head wheel driving device 5 drives the conveying rollers 6 to rotate in the working process, the conveying rollers 6 drive the first conveying belts 7 and the transfer platform device 4 and the transfer platform foundation 1 to rotate relatively in the rotating process, and when the limestone falls above the first conveying belts 7, the limestone is conveyed above other conveying devices again through the first discharging scraper-trough conveyer 2 and the first baffle plate group 3 by the first conveying belts 7.

As shown in fig. 1, a second baffle 15 is fixed on one side above the second discharging chute 14, one end of the second discharging chute 14 penetrates through the fixing frame and is fixedly connected with the fixing frame, meanwhile, the second discharging chute 14 is fixedly connected with the lower part of the other end of the other material ladder set 12 through the fixing frame, the installation angle range between the upper part of the second discharging chute 14 and the second baffle 15 is 15-25 °, when the installation angle between the upper part of the second discharging chute 14 and the second baffle 15 is small, the second baffle 15 is installed, so that the feed inlet of the second discharging chute 14 is easily shielded, limestone cannot be conveyed above the first conveying belt 7 through the second discharging chute 14 in the conveying process of the limestone through the second conveying belt 20, and when the installation angle between the second baffle 15 and the second discharging chute 14 is too large, the influence of the force of the limestone on the second discharging chute 14 is easily caused by the arc-shaped belt force during the rotation process of the other end of the material ladder set 12 when the force is applied to the second discharging chute 14 In the blanking state, the situation that partial limestone is scattered above the transfer platform foundation 1 is easily caused at this time, so that the situation that the installation angle between the upper part of the second blanking scraper-trough 14 and the second baffle 15 is set to be 25 degrees in the above situation is avoided, one end of the first transmission roller 16 penetrates through and is fixed with the driven gear 17, the two ends of the first transmission roller 16 penetrate through one side inside the material ladder group 12 and are movably connected with the inside of the other material ladder group 12, the other end of the material ladder group 12 is fixedly connected with the upper part of the stress frame 9, the chain 19 wraps the driving gear 11 and is meshed with the driven gear 17, the second transmission belt 20 wraps the first transmission roller 16 and is connected with the second transmission roller 18 in a driving way, the driving motor 10, the driving gear 11, the driven gear 17, the first transmission roller 16, the second transmission belt 20 and the second transmission roller 18 form a rotary adjusting and conveying mechanism, the rotation angle range of the rotation adjusting conveying mechanism is 0-360 degrees, the controller controls the driving motor 10 to work, and the driving motor 10 drives the chain 19 to move through the driving gear 11 during the operation process, and the driven gear 17 drives the first driving roller 16 to move during the movement process of the chain 19, meanwhile, the first driving roller 16 drives the second driving roller 18 and the material ladder group 12 to rotate relatively through the second conveying belt 20 during the movement process, and the connection between the parts of the integral rotary adjusting conveying mechanism is simple and clear, and the integral rotary adjusting conveying mechanism is convenient to operate, replace and maintain, when the limestone falls above the second conveying belt 20 in sequence, at this time, the limestone is driven by the second conveying belt 20 to be conveyed above the first conveying belt 7 through the second blanking scraper-trough conveyer 14 and the second baffle 15, when the second conveying belt 20 needs to be conveyed reversely, the driving direction of the rotation of the driving motor 10 may be changed by the controller.

As shown in fig. 3, the adjusting device 21 is installed at the bottom of the elevator group 12, and the adjusting device 21 includes a sliding block 2101, a second movable connecting member set 2102, a sliding rod 2103, a hydraulic telescopic rod 2104, a third movable connecting member set 2105 and a fixing column 2106, one side of the sliding block 2101 is fixedly connected with one end of the second movable connecting member set 2102, the sliding rod 2103 penetrates through the sliding block 2101 and is fixedly connected with the bottom of another elevator group 12 through the fixing block, one end of the hydraulic telescopic rod 2104 is fixedly connected with the other end of the other second movable connecting member set 2102, the other end of the hydraulic telescopic rod 2104 is fixedly connected with one end of the third movable connecting member set 2105, the other end of the third movable connecting member set 2105 is fixedly connected with one side of the fixing column 2106, one end of the fixing column 2106 is fixedly connected with one side of the bottom of the elevator group 12, the sliding block 2101, the second movable connecting member set 2102, the sliding rod 2103, the hydraulic telescopic rod 2104, the third movable connecting member set 2105 and the fixing column 2106 constitute a rotary sliding mechanism, and the rotation angle range of the rotary sliding mechanism is 0-30 degrees, the controller controls the hydraulic telescopic rod 2104 to work, the second movable connecting piece group 2102 drives the sliding block 2101 and the sliding rod 2103 to move relatively in the working process of the hydraulic telescopic rod 2104, and the slide block 2101 and the slide bar 2103 drive the stock ladder group 12 to rotate relatively through the first movable connecting piece group 13 in the relative movement process, meanwhile, in the process of the stressed movement of the hydraulic telescopic rod 2104, the hydraulic telescopic rod rotates relatively through the third movable connecting piece group 2105 and the fixed column 2106, when the stock ladder sets 12 rotate to corresponding angles, the work of the hydraulic telescopic rods 2104 is stopped, and when the rotary sliding mechanism is at the maximum rotation angle of 30 degrees, the stock ladder sets 12 are in a relative folding state, when the integral rotary sliding mechanism is at 0 degree, the material ladder groups 12 are in a horizontal connection state, and the operator changes the relative transport distance height between the material ladder groups 12 through the above steps to facilitate the normal transport of limestone.

The working principle is as follows: when an adjustable belt conveyor for low-grade materials is used, firstly, a controller is used for controlling a driving motor 10 and a head wheel driving device 5 to work, the head wheel driving device 5 drives a first conveying belt 7 to move in the working process, the driving motor 10 drives a second conveying belt 20 to move in the working process, at the moment, when limestone is conveyed above the second conveying belt 20 through other conveying devices, the second conveying belt 20 conveys the limestone above the first conveying belt 7 through a second blanking scraper-trough conveyor 14, the first conveying belt 7 conveys the limestone above other conveying devices through a first blanking scraper-trough conveyor 2 again, when the relative rotation height between material ladder sets 12 needs to be adjusted, a controller is used for controlling a hydraulic telescopic rod 2104 to work again, the relative rotation height between the material ladder sets 12 is adjusted through a sliding block 2101 in the working process of the hydraulic telescopic rod 2104, the operation of the hydraulic telescopic rods 2104 is stopped when the material ladder assembly 12 is adjusted to the corresponding distance height, and the whole apparatus repeats the above-mentioned steps, so that the whole operation is completed, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, and are used merely to simplify the description of the present disclosure, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present disclosure.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a low grade material belt conveyors of regulation formula, including transport platform ground (1), first unloading scraper-trough conveyer (2), transport platform device (4), first conveyor belt (7), fixed ground (8), driving motor (10), material ladder group (12), second unloading scraper-trough conveyer (14), first driving roller (16), second driving roller (18), chain (19), second conveyor belt (20) and adjusting device (21), its characterized in that:

the device is characterized in that a mounting column is fixed above the transfer platform foundation (1), a fixing frame is installed on one side of the transfer platform foundation (1), a first baffle group (3) is installed above the first discharging chute (2), one end of the first discharging chute (2) penetrates through the fixing frame to be fixedly connected, one side of the transfer platform device (4) is fixed above the transfer platform foundation (1) through the mounting column, a head wheel driving device (5) is installed on one side inside the transfer platform device (4), meanwhile, a conveying roller (6) is rotatably installed on the other side inside the transfer platform device (4), a first conveying belt (7) wraps the head wheel driving device (5) and is in driving connection with the conveying roller (6), a fixed foundation (8) is installed on one side of the transfer platform foundation (1), and a stress frame (9) is installed above the fixed foundation (8);

driving motor (10) one end is fixed with driving gear (11), and driving motor (10) other end and atress frame (9) inboard fixed connection, material ladder group (12) one end and first swing joint group (13) one end fixed connection, and another material ladder group (12) one end and another first swing joint group (13) other end fixed connection, second unloading scraper-trough conveyer (14) top one side is fixed with second baffle (15), and second unloading scraper-trough conveyer (14) one end runs through mount and mount fixed connection, and second unloading scraper-trough conveyer (14) passes through mount and another material ladder group (12) other end below fixed connection simultaneously, first driving roller (16) one end is run through and is fixed with driven gear (17), and first driving roller (16) both ends run through the inside one side swing joint of material ladder group (12), second driving roller (18) both ends run through the inside other end of material ladder group (12) respectively and the inside swing joint of another material ladder group (12) The other end of the material ladder group (12) is fixedly connected with the upper part of the stress frame (9), the chain (19) wraps the driving gear (11) and is meshed with the driven gear (17) to be connected, and the second conveying belt (20) wraps the first driving roller (16) and the second driving roller (18) to be in driving connection;

the adjusting device (21) is arranged at the bottom of the material ladder group (12).

2. A regulated low grade material belt conveyor as claimed in claim 1 wherein: the adjusting device (21) comprises a sliding block (2101), a second movable connecting piece group (2102), a sliding rod (2103), a hydraulic telescopic rod (2104), a third movable connecting piece group (2105) and a fixing column (2106), one side of the sliding block (2101) is fixedly connected with one end of the second movable connecting piece group (2102), the sliding rod (2103) penetrates through the sliding block (2101) and is fixedly connected with the bottom of the other material ladder group (12) through a fixing block, one end of the hydraulic telescopic rod (2104) is fixedly connected with the other end of the other second movable connecting piece group (2102), the other end of the hydraulic telescopic rod (2104) is fixedly connected with one end of the third movable connecting piece group (2105), the other end of the third movable connecting piece group (2105) is fixedly connected with one side of the fixing column (2106), and one end of the fixing column (2106) is fixedly connected with one side of the bottom of the material ladder group (12).

3. A regulated low grade material belt conveyor as claimed in claim 1 wherein: the connection shape of the fixed foundation (8), the stress frame (9) and the material ladder group (12) is in a P shape.

4. A regulated low grade material belt conveyor as claimed in claim 1 wherein: the rotary adjusting conveying mechanism is composed of a driving motor (10), a driving gear (11), a driven gear (17), a first transmission roller (16), a second conveying belt (20) and a second transmission roller (18), and the rotating angle range of the rotary adjusting conveying mechanism is 0-360 degrees.

5. The adjustable low-grade material belt conveyor of claim 1, wherein: the installation angle range between the upper part of the second blanking chute (14) and the second baffle (15) is 15-25 degrees.

6. A regulated low grade material belt conveyor as claimed in claim 2 wherein: the sliding block (2101), the second movable connecting piece group (2102), the sliding rod (2103), the hydraulic telescopic rod (2104), the third movable connecting piece group (2105) and the fixed column (2106) form a rotary sliding mechanism, and the rotary sliding mechanism is in a rotating angle range of 0-30 degrees.