CN112830281A

CN112830281A - Belt conveyor with position-changeable discharge port

Info

Publication number: CN112830281A
Application number: CN202110200917.6A
Authority: CN
Inventors: 王猛; 肖培军; 赵峰; 任金山; 袁松; 李鹏鹏; 邱孟柯; 胡莎莎
Original assignee: Cofco Engineering Equipment Wuxi Co ltd
Current assignee: Cofco Engineering Equipment Wuxi Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-05-25
Anticipated expiration: 2041-02-23
Also published as: CN112830281B

Abstract

The invention relates to the field of belt conveyors, and discloses a belt conveyor with a variable discharge port, wherein a controller is started, a humidity detector is used for detecting the humidity of grains, a detection signal is transmitted into the controller through a data line after detection and is compared with a value set by the controller, an air supply motor and a heating frame are respectively started according to a humidity comparison result, the air supply motor is used for rotating a fan to different speeds according to the control of the controller, a heating wire is controlled to be heated to different temperatures, the fan rotates to generate certain air volume, the air is blown into the heating frame to be heated through the heating wire and then blown into an anti-skid groove, so that the grains can be dried, and meanwhile, the air speed and the heating temperature are controlled through the controller according to the humidity comparison value, so that the aim of saving energy is also fulfilled.

Description

Belt conveyor with position-changeable discharge port

Technical Field

The invention relates to the field of belt conveyors, in particular to a belt conveyor with a variable discharge hole.

Background

With the development of the grain industry, the currently built grain bin is larger and larger, most of the leveling work of the grain after being put into the grain bin is manual operation for a high-sized horizontal warehouse, the leveling speed is low, the labor intensity is high, the leveling efficiency is low, the working environment of leveling workers is poor, the leveling operation is limited by the grain harvesting period, the warehousing time of general grains is concentrated, if the leveling operation of the grain bin is difficult to complete in a short time, the optimal storage time of the grain is easily missed, the grain is heated and generates insects, the operation cost of later-period fumigation, ventilation and the like is increased, and the storage safety and the quality of the grain are influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the belt conveyor with the position-changeable discharge port, which has the advantages of wide-angle discharging, grain bin utilization rate improvement and the like so as to meet the bin leveling requirement of grains.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a belt conveyor with a variable discharge port comprises a conveying frame, wherein bow-shaped electric slide rails are fixedly connected to the side wall of one side, far away from each other, of the conveying frame, electric slide blocks are sleeved on one sides of the two bow-shaped electric slide rails in a sliding mode, connecting plates are fixedly connected to the sides, close to each other, of the two electric slide blocks, one side, close to each other, of the two connecting plates is fixedly connected with a same moving frame, two connecting columns are fixedly connected to the inner wall of the bottom of the moving frame, the bottom of the two connecting columns is fixedly connected with a same heating frame, a conducting wire is fixedly connected to one side of the heating frame, heating wires are fixedly connected in the heating frame, a plurality of uniformly distributed exchange holes are formed in the top and the bottom of the heating frame, a mounting hole is formed in the top of the moving frame, an air supply motor is fixedly connected in the mounting, the top fixedly connected with control line of air supply motor, the output fixedly connected with shaft coupling of air supply motor, the one end fixedly connected with input shaft of shaft coupling, the bottom fixedly connected with fan of input shaft.

Preferably, the top fixedly connected with controller of removal frame, one side fixedly connected with moisture detector of removal frame, one side fixedly connected with data line of moisture detector, the data line with the control line with the other end of conducting wire all with the controller is connected, and is electric connection, carry two fixed blocks of top fixedly connected with of frame, two the equal fixedly connected with dead lever in top of fixed block.

Preferably, two the same hopper down of top fixedly connected with of dead lever, the unloading hole has been seted up to one side of hopper down, one side fixedly connected with ejection of compact frame in unloading hole, the bottom fixedly connected with base of carrying the frame, fixedly connected with conveying motor in the base, the output of conveying motor passes through shaft coupling fixedly connected with axis of rotation, the one end fixedly connected with driving pulley of axis of rotation.

Preferably, two rotation holes, two same relative are respectively seted up on the one side lateral wall that the transport frame is close to each other and all rotate in the rotation hole and be connected with same driven shaft, two corresponding four are run through respectively at the both ends of driven shaft the rotation hole, and extend to four respectively outside one side of rotation hole, two the equal fixedly connected with driven pulley of one end of driven shaft, two driven pulley's position all with driving pulley's position is corresponding.

Preferably, the two driven belt pulleys and one side of the driving belt pulley are jointly tensioned with a same transmission belt, one side of each driven shaft is fixedly sleeved with a conveying roller, the moving frame is internally and fixedly connected with two fixed shafts, one side of each fixed shaft is respectively rotatably sleeved with a discharging roller and a reversing roller, the discharging roller, the reversing roller and one side of each conveying roller are jointly tensioned with a same conveying belt, and one side of each conveying belt is provided with a plurality of evenly-distributed anti-skidding grooves.

Preferably, two a plurality of arc post that distribute evenly of equal fixedly connected with on the conveying roller, a plurality of arc lantern rings that distribute evenly of one side fixedly connected with of conveyer belt, it is a plurality of the position of arc post is respectively with a plurality of the position of arc lantern ring corresponds each other, and mutual adaptation, two mounting grooves have been seted up to one side of removing the frame, two the same unloading bottom plate of fixedly connected with in the mounting groove, the unloading bottom plate sets up to both sides slope, two unloading roofs of the both ends top fixedly connected with of unloading bottom plate.

Preferably, the moving frame is fixedly connected to a fixing plate on the side wall far away from the moving frame, two first lugs are fixedly connected to one side of the fixing plate, two first lugs at the same relative position are fixedly connected to the same support column on the side wall near to the first lugs, a rotary blanking plate is rotatably sleeved on one side of the support column, the two rotary blanking plates are respectively corresponding to two ends of the blanking bottom plate, two second lugs are fixedly connected to the bottoms of the rotary blanking plates, and a fixing column is fixedly connected to one side of the second lugs at the same relative position near to the second lugs.

Preferably, the equal fixedly connected with in one side that the removal frame was kept away from each other removes splint, two remove splint's position respectively with two the position of fixed plate corresponds each other, two remove the equal fixedly connected with two arc lugs in one side of splint, two of same relative position the equal fixedly connected with in one side that the arc lug is close to each other is same pillar, two the cylinder has all been rotated to one side of pillar and has been cup jointed, two the equal sliding connection of output of cylinder has the telescopic link, two the top of telescopic link is connected with two fixed columns respectively.

Preferably, the bottom of carrying the frame is equipped with two mobile stations, two the equal fixedly connected with hydraulic cylinder in top of mobile station, two the equal sliding connection of hydraulic cylinder's output has a hydraulic stem, two the top of hydraulic stem all with carry the frame to be connected, two the equal fixedly connected with two cylinders in bottom of mobile station, two the equal fixedly connected with movable pulley in cylindrical bottom.

(III) advantageous effects

Compared with the prior art, the invention provides a belt conveyor with a changeable discharge hole, which has the following beneficial effects:

1. the belt conveyor with the position-changeable discharge port has the advantages that the speed block of the leveling bin is high, the blanking range is wide, the grain can be quickly put in the bin under the condition of ensuring the drying degree of the grain, the storage safety and the quality of the grain are ensured, and the problems that in the prior art, the storage time is concentrated in the grain harvesting period, the leveling bin is operated manually, the leveling bin speed is low, the labor intensity is high, the leveling bin efficiency is low, the working environment of leveling staff is poor, the optimal storage time of the grain is easily missed, the grain is heated, the insect is generated and the like are solved.

2. This band conveyer that discharge gate can shift through starting two electronic sliders, thereby two electronic sliders slide on two corresponding bow-shaped electric slide rail and make the removal frame slide, and then make blanking roller and switching-over roller remove through removing the frame, drive blanking roller and switching-over roller round trip movement on bow-shaped electric slide rail through electronic slider to play even flat effect in storehouse, avoid grain to pile up.

3. This belt conveyor that discharge gate is displaceable, detect the humidity of grain through the moisture detector, detect the back and pass into the controller with the detected signal through the data line in, contrast with the numerical value that the controller set for, open air supply motor and heating frame respectively according to humidity contrast result, make air supply motor make the fan rotate to different speeds according to the control of controller, the heating of simultaneous control heater strip is to different temperatures, thereby can dry grain, control wind speed and heating temperature according to humidity contrast value, thereby also realize energy-conserving purpose.

4. This belt conveyor that discharge gate can shift, thereby make the conveyer belt rotate through starting conveying motor, and then make grain fall into the unloading bottom plate in, thereby collect grain through rotatory flitch down at last, start two cylinders, make two telescopic links stretch out and draw back and remove, remove and then make rotatory flitch down use the support column as rotation center rotatory through the telescopic link, thereby can adjust the angle of rotatory flitch down, realize wide angle unloading's purpose, avoid the unable grain of depositing in granary corner, the scope of unloading is further enlarged in the removal of cooperation electric slider simultaneously, can cover bigger granary area, avoid frequently moving the conveyer, guarantee flat storehouse efficiency.

5. This band conveyer that discharge gate displaceable through the setting of two conveying rollers and unloading roller and switching-over roller to make the conveyer belt have certain tensity, avoid too tight to lead to frictional force increase, remove the difficulty, reduce the life of conveyer belt then.

6. This band conveyer that discharge gate can shift through the setting that a plurality of arc posts and a plurality of arcs traded the cover for driving belt can the steady drive, avoids driving belt phenomenon of skidding to appear in the drive process, has improved the transport performance of device.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic perspective view of a portion of the present invention;

FIG. 4 is a perspective view of the conveyor belt of the present invention;

FIG. 5 is a schematic perspective view of the FIG. 3 assembly from another perspective according to the present invention;

FIG. 6 is a schematic perspective view of a movable frame according to the present invention;

FIG. 7 is a schematic perspective view of another embodiment of the conveyor belt of the present invention;

FIG. 8 is a schematic perspective view of the heating frame and blower motor of the present invention;

FIG. 9 is a schematic perspective view of another perspective of the movable frame of the present invention;

FIG. 10 is an enlarged perspective view of the structure at A in FIG. 7 according to the present invention.

In the figure: 1. a conveying frame; 2. an arcuate electric slide rail; 3. an electric slider; 4. a connecting plate; 5. moving the frame; 6. connecting columns; 7. a heating frame; 8. heating wires; 9. an exchange well; 10. mounting holes; 11. an air supply motor; 12. a fan; 13. a controller; 14. a humidity detector; 15. a fixed block; 16. fixing the rod; 17. feeding a hopper; 18. discharging the material frame; 19. a base; 20. a conveying motor; 21. a drive pulley; 22. a driven shaft; 23. a driven pulley; 24. a conveying roller; 25. a fixed shaft; 26. a blanking roller; 27. a reversing roller; 28. a drive belt; 29. a conveyor belt; 30. an anti-slip groove; 31. an arc-shaped column; 32. an arc-shaped lantern ring; 33. mounting grooves; 34. a blanking bottom plate; 35. blanking a top plate; 36. a fixing plate; 37. a first bump; 38. rotating the blanking plate; 39. a second bump; 40. moving the clamping plate; 41. an arc-shaped bump; 42. a cylinder; 43. a telescopic rod; 44. a mobile station; 45. a lifting hydraulic cylinder; 46. the pulley is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As described in the background of the invention, the prior art has disadvantages, and in order to solve the above technical problems, the present application provides a belt conveyor with a variable discharge port.

In a typical embodiment of the present application, as shown in fig. 1-10, a belt conveyor with a variable discharge port comprises a conveying frame 1, wherein the side wall of one side of the conveying frame 1 away from each other is fixedly connected with an arched electric slide rail 2, one side of each arched electric slide rail 2 is slidably sleeved with an electric slide block 3, one side of each electric slide block 3 close to each other is fixedly connected with a connecting plate 4, one side of each connecting plate 4 close to each other is fixedly connected with a same moving frame 5, the inner wall of the bottom of the moving frame 5 is fixedly connected with two connecting columns 6, the bottom of each connecting column 6 is fixedly connected with a same heating frame 7, one side of the heating frame 7 is fixedly connected with a conducting wire, heating wires 8 are fixedly connected in the heating frame 7, the top and the bottom of the heating frame 7 are respectively provided with a plurality of uniformly distributed exchange holes 9, the top of the moving frame 5 is provided, fixedly connected with air supply motor 11 in the mounting hole 10, the position of air supply motor 11 is corresponding with the position of heating frame 7, and the top fixedly connected with control line of air supply motor 11, the output fixedly connected with shaft coupling of air supply motor 11, the one end fixedly connected with input shaft of shaft coupling, the bottom fixedly connected with fan 12 of input shaft.

Further, in above-mentioned scheme, remove the top fixedly connected with controller 13 of frame 5, remove one side fixedly connected with moisture detector 14 of frame 5, one side fixedly connected with data line of moisture detector 14, the other end of data line and control line and conducting wire all is connected with controller 13, and be electric connection, carry two fixed blocks 15 of top fixedly connected with of frame 1, the equal fixedly connected with dead lever 16 in top of two fixed blocks 15, through moisture detector 14's setting, can carry out humidity detection to grain.

Further, in the above scheme, the same hopper 17 down of top fixedly connected with of two dead levers 16, the unloading hole has been seted up to one side of hopper 17 down, one side fixedly connected with ejection of compact frame 18 in unloading hole, carry the bottom fixedly connected with base 19 of frame 1, fixedly connected with conveying motor 20 in the base 19, shaft coupling fixedly connected with axis of rotation is passed through to conveying motor 20's output, the one end fixedly connected with drive pulley 21 of axis of rotation, through the setting of hopper 17 down, the grain of being convenient for carries out the unloading.

Further, in above-mentioned scheme, two rotation holes have been seted up respectively on the lateral wall of one side that transport frame 1 is close to each other, equal rotation is connected with same driven shaft 22 in two same relative rotation holes, two driven shaft 22's both ends run through four corresponding rotation holes respectively, and extend to outside one side in four rotation holes respectively, the equal fixedly connected with driven pulley 23 of one end of two driven shafts 22, two driven pulley 23's position all corresponds with driving pulley 21's position, through two driven pulley 23's setting, setting through driven pulley 23, make two conveying rollers 24 can rotate.

Further, in the above scheme, the same transmission belt 28 is tensioned on one side of the two driven pulleys 23 and one side of the driving pulley 21 together, the conveying rollers 24 are fixedly sleeved on one side of the two driven shafts 22, the two fixed shafts 25 are fixedly connected in the movable frame 5, one side of each of the two fixed shafts 25 is rotatably sleeved with the discharging roller 26 and the reversing roller 27 respectively, the same conveying belt 29 is tensioned on one side of each of the discharging roller 26, the reversing roller 27 and the two conveying rollers 24 together, a plurality of uniformly-distributed anti-skid grooves 30 are formed in one side of the conveying belt 29, and grains can be conveyed through the arrangement of the conveying belt 29.

Further, in the above-mentioned scheme, a plurality of even arc post 31 of distribution of equal fixedly connected with on two conveying rollers 24, the even arc lantern ring 32 of one side fixedly connected with of conveyer belt 29, the position of a plurality of arc post 31 corresponds with the position of a plurality of arc lantern ring 32 respectively each other, and mutual adaptation, two mounting grooves 33 have been seted up to one side of removal frame 5, the same unloading bottom plate 34 of fixedly connected with in two mounting grooves 33, unloading bottom plate 34 sets up to both sides slope, two unloading roof 35 of the both ends top fixedly connected with of unloading bottom plate, setting through unloading bottom plate 34, make grain can get into in the rotatory flitch 38 down.

Further, in above-mentioned scheme, remove on the mutual lateral wall of keeping away from of frame 5 equal fixedly connected with fixed plate 36, two first lugs 37 of the equal fixedly connected with in one side of two fixed plates 36, the same support column of the equal fixedly connected with in one side that two first lugs 37 of same relative position are close to each other, one side of two support columns is all rotated and has been cup jointed rotatory flitch 38 down, the position of two rotatory flitchs 38 down is corresponding with the both ends of unloading bottom plate 34 respectively, two second lugs 39 of the equal fixedly connected with in bottom of two rotatory flitchs 38 down, the same fixed column of the equal fixedly connected with in one side that two second lugs 39 of same relative position are close to each other.

Further, in above-mentioned scheme, remove the equal fixedly connected with in one side that frame 5 kept away from each other and remove splint 40, two positions that remove splint 40 correspond with the position of two fixed plates 36 respectively each other, two arc lugs 41 of the equal fixedly connected with in one side of two removal splint 40, the same pillar of the equal fixedly connected with in one side that two arc lugs 41 of same relative position are close to each other, cylinder 42 has all been cup jointed in one side of two pillars, the equal sliding connection of output of two cylinder 42 has telescopic link 43, the top of two telescopic links 43 is connected with two fixed columns respectively, setting through cylinder 42, make rotatory flitch 38 can adjust to different angles down, thereby realize wide angle unloading.

Further, in the above scheme, two moving tables 44 are arranged at the bottom of the conveying frame 1, the tops of the two moving tables 44 are fixedly connected with lifting hydraulic cylinders 45, the output ends of the two lifting hydraulic cylinders 45 are slidably connected with hydraulic rods, the top ends of the two hydraulic rods are connected with the conveying frame 1, the bottoms of the two moving tables 44 are fixedly connected with two cylinders, the bottom ends of the two cylinders are fixedly connected with moving pulleys 46, and the whole conveyor can be adjusted to different heights through the arrangement of the lifting hydraulic cylinders 45; further, the entire conveyor is facilitated to move on the ground by the arrangement of the moving pulleys 46.

When using, pour grain into hopper 17 down in, and then fall into anti-skidding groove 30 through ejection of compact frame 18 in, start two electronic slider 3, two electronic slider 3 slide on two corresponding bow-shaped electronic slide rails 2, thereby two electronic slider 3 make and remove frame 5 and slide, and then make unloading roller 26 and switching-over roller 27 remove through removing frame 5, drive unloading roller 26 and switching-over roller 27 round trip movement on bow-shaped electronic slide rail 2 through electronic slider 3, thereby play the effect in even flat storehouse, avoid grain to pile up in anti-skidding groove 30.

The controller 13 is started, the humidity of the grain is detected by the humidity detector 14, a detection signal is transmitted into the controller 13 through a data line after detection, the detection signal is compared with a numerical value set by the controller 13, the air supply motor 11 and the heating frame 7 are respectively started according to a humidity comparison result, the air supply motor 11 enables the fan 12 to rotate to different speeds according to the control of the controller 13, meanwhile, the heating wire 8 is controlled to heat to different temperatures, the fan 12 rotates to generate certain air volume, air is blown into the heating frame 7 to be heated through the heating wire 8, and then blown into the anti-skidding groove 30, so that the grain can be dried, insufficient drying or excessive heating of the grain stored in a warehouse can be avoided, the quality of the grain is improved, meanwhile, the air speed and the heating temperature are controlled through the controller 13 according to a humidity comparison value, and the purpose of.

The conveying motor 20 is started, the conveying motor 20 enables the driving belt pulley 21 to rotate, the driving belt pulley 21 enables the two driven belt pulleys 23 to rotate through the transmission belt 28, the two driven belt pulleys 23 enable the two conveying rollers 24 to rotate through the driven shaft 22, the two conveying rollers 24 enable the conveying belt 29 to rotate, then grains fall into the blanking bottom plate 34, the grains are guided to two sides through the blanking bottom plate 34 and finally collected through the rotary blanking plate 38, the two air cylinders 42 are started, the two telescopic rods 43 are made to move in a telescopic mode, the rotary blanking plate 38 is made to rotate by taking the supporting columns as the rotating centers through the movement of the telescopic rods 43, the angle of the rotary blanking plate 38 can be adjusted, the purpose of wide-angle blanking is achieved, grains cannot be stored at corners of a granary, meanwhile, the blanking range is further expanded by matching with the movement of the electric sliding block, the conveyor is prevented from being frequently moved, and the leveling efficiency is ensured.

Through the setting of two conveying rollers 24 and unloading roller 26 and switching-over roller 27 to make conveyer belt 29 have certain tensity, avoid too tight to lead to frictional force increase, remove the difficulty, then reduce conveyer belt 29's life.

Through the setting of a plurality of arc posts 31 and a plurality of arc lantern ring 32 for conveyer belt 29 can the steady drive, avoids conveyer belt 29 the phenomenon of skidding to appear in the drive process, has improved the transport performance of device.

The belt conveyor with the position-changeable discharge port has the advantages that the bin leveling speed block is wide in discharging range, grains can be quickly stored in the bin under the condition that the drying degree of the grains is ensured, and the storage safety and the quality of the grains are ensured.

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.

Claims

1. The utility model provides a band conveyer of discharge gate displaceable, includes and carries frame (1), its characterized in that: carry on equal fixedly connected with bow-shaped electric slide rail (2), two on the lateral wall of one side that frame (1) kept away from each other the equal slip in one side of bow-shaped electric slide rail (2) has cup jointed electric slider (3), two the equal fixedly connected with connecting plate (4), two of one side fixedly connected with that electric slider (3) are close to each other one side that connecting plate (4) are close to each other is same removes frame (5), remove two spliced pole (6) of bottom inner wall fixedly connected with of frame (5), two the same heating frame (7) of bottom fixedly connected with of spliced pole (6), one side fixedly connected with conduction line of heating frame (7), fixedly connected with heater strip (8) in heating frame (7), a plurality of even exchange hole (9) of distribution have all been seted up to the top and the bottom of heating frame (7).

2. The belt conveyor with the variable discharging port as claimed in claim 1, wherein: the top of the movable frame (5) is provided with a mounting hole (10), an air supply motor (11) is fixedly connected in the mounting hole (10), the position of the air supply motor (11) corresponds to the position of the heating frame (7), the top of the air supply motor (11) is fixedly connected with a control wire, the output end of the air supply motor (11) is fixedly connected with a coupler, one end of the coupling is fixedly connected with an input shaft, the bottom end of the input shaft is fixedly connected with a fan (12), the top of the movable frame (5) is fixedly connected with a controller (13), one side of the movable frame (5) is fixedly connected with a humidity detector (14), one side fixedly connected with data line of moisture detector (14), the data line with the control line with the other end of conduction line all with controller (13) are connected, and are electric connection.

3. The belt conveyor with the variable discharge port as claimed in claim 2, wherein: carry two fixed blocks (15) of top fixedly connected with of frame (1), two equal fixedly connected with dead lever (16) in top of fixed block (15), two the same hopper (17) down of top fixedly connected with of dead lever (16), the unloading hole has been seted up to one side of hopper (17) down, one side fixedly connected with ejection of compact frame (18) in unloading hole.

4. The belt conveyor with the variable discharging port as claimed in claim 1, wherein: the bottom of the conveying frame (1) is fixedly connected with a base (19), a conveying motor (20) is fixedly connected in the base (19), the output end of the conveying motor (20) is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft is fixedly connected with a driving belt pulley (21), two rotating holes are respectively formed in the side wall, close to each other, of the conveying frame (1), the same driven shaft (22) is respectively and rotatably connected in the two opposite rotating holes, the two ends of the two driven shafts (22) respectively penetrate through the four corresponding rotating holes and respectively extend out of one side of the four rotating holes, one end of each of the two driven shafts (22) is fixedly connected with a driven belt pulley (23), and the positions of the two driven belt pulleys (23) are corresponding to the positions of the driving belt pulley (21), the same transmission belt (28) is tensioned on one side of the two driven pulleys (23) and one side of the driving pulley (21).

5. The belt conveyor with the variable discharge port as claimed in claim 4, wherein: two one side of driven shaft (22) all is fixed the cover and is connected with conveying roller (24), move two fixed axles (25) of fixedly connected with in frame (5), two one side of fixed axle (25) rotates respectively and has cup jointed unloading roller (26) and switching-over roller (27), unloading roller (26) with switching-over roller (27) and two the common tensioning has same conveyer belt (29) on one side of conveying roller (24), be equipped with a plurality of even antiskid groove (30) of distribution on one side of conveyer belt (29).

6. The belt conveyor with the variable discharge port as claimed in claim 5, wherein: two a plurality of arc post (31) that equal fixedly connected with is even on conveying roller (24), a plurality of arc lantern ring (32) that distribute evenly of one side fixedly connected with of conveyer belt (29), it is a plurality of the position of arc post (31) is respectively with a plurality of the position of the arc lantern ring (32) corresponds each other, and mutual adaptation, two mounting grooves (33), two have been seted up to one side of removal frame (5) the same unloading bottom plate (34) of fixedly connected with in mounting groove (33), unloading bottom plate (34) set up to the slope of both sides, two unloading roof (35) of the both ends top fixedly connected with of unloading bottom plate (34).

7. The belt conveyor with the variable discharging port as claimed in claim 1, wherein: the material discharging device is characterized in that a fixed plate (36) is fixedly connected to one side wall, far away from each other, of the moving frame (5), two first lugs (37) are fixedly connected to one side of the fixed plate (36), one side of each first lug (37) in the same relative position is fixedly connected to the same supporting column in one side, one side of each supporting column is rotatably sleeved with a rotary discharging plate (38), the positions of the rotary discharging plates (38) are corresponding to the two ends of a discharging bottom plate (34), two second lugs (39) are fixedly connected to the bottom of each rotary discharging plate (38), and one side of each second lug (39) in the same relative position is fixedly connected to the same fixed column in one side.

8. The belt conveyor with the variable discharge port as claimed in claim 7, wherein: remove the equal fixedly connected with in one side that frame (5) kept away from each other and remove splint (40), two the position of removing splint (40) respectively with two the position of fixed plate (36) corresponds each other, two the equal fixedly connected with two arc lugs (41) in one side of removing splint (40), two of same relative position the equal fixedly connected with in one side that arc lug (41) are close to each other is same pillar, two cylinder (42), two have all been rotated to one side of pillar the equal sliding connection of output of cylinder (42) has telescopic link (43), two the top of telescopic link (43) is connected with two fixed columns respectively.

9. The belt conveyor with the variable discharging port as claimed in claim 1, wherein: the bottom of carrying frame (1) is equipped with two mobile stations (44), two the equal fixedly connected with hydraulic cylinder (45) in top of mobile station (44), two the equal sliding connection of output of hydraulic cylinder (45) has the hydraulic stem, two the top of hydraulic stem all with carry frame (1) to be connected, two the equal fixedly connected with two cylinders in bottom of mobile station (44), two the equal fixedly connected with in cylindrical bottom removes pulley (46).