CN212449205U

CN212449205U - Movable belt conveyor

Info

Publication number: CN212449205U
Application number: CN202020367515.6U
Authority: CN
Inventors: 胡超; 杜松伟
Original assignee: Inner Mongolia Yinhong Energy Development Co ltd; Huai Mine West Mine Investment Management Co ltd
Current assignee: Inner Mongolia Yinhong Energy Development Co ltd; Huai Mine West Mine Investment Management Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-02
Anticipated expiration: 2030-03-20

Abstract

A movable belt conveyor comprises a driving device, a frame, a tensioning mechanism and a cleaning mechanism, wherein a machine head roller is arranged at one end of the frame and is in power connection with a driving shaft of the driving device; a bend drum is arranged at the other end of the frame, and an annular conveying belt is sleeved on the machine head roller and the bend drum; the frame comprises a plurality of middle frames which are sequentially hinged. The middle frames are hinged, the connection is reliable, and meanwhile, the structures can be adjusted in a self-adaptive mode according to terrains, so that the use requirements of various terrains are met. The whole height of the rack can be set lower, and the rack can be applied to narrow roadways. The utility model discloses can realize mechanized bedding construction in the limited region in combined mining working face return air cistron or other spaces, the utility model discloses an use has safe advantage such as being convenient for remove. The utility model discloses a combine and adopt the bottom of lying operation mechanization in working face return air crossheading or two roadways, reduced workman intensity of labour, improved production efficiency.

Description

Movable belt conveyor

Technical Field

The utility model relates to a combine in the pit and adopt technical field, in particular to portable belt feeder.

Background

During the mining period of most of the fully mechanized mining faces in China, the pressure of a return air crossheading or two roadways is obviously displayed in advance, and the problems of roadway deformation and serious bottom heave can occur, so that the roadway space can not meet the requirements of ventilation and the same operation. The tunnel still can lead to leading ahead support can't remove or need artifical very dark post nest of excavation when beating the monomer when warping seriously, at this moment need carry out the bottom of a sleeping in construction to the tunnel through the manual work, just can guarantee to satisfy above-mentioned condition.

The manual bottom laying construction can cause the following problems: 1. the workload of artificial bedding is large, and the labor intensity is high; 2. a large amount of coal (waste rock) which is seriously deformed and laid out in the roadway cannot be cleared, still accumulates and blocks on two sides of the roadway or a bottom plate in the roadway, and still has the problems that pedestrians cannot be used or the ventilation section is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combine in the pit and adopt working face return air crossheading or two tunnel mine pressures to show obviously, when needing to carry out the bottom of sleeping in construction shipment, can realize mechanized construction, reduce workman intensity of labour, improve production efficiency's light-duty portable belt feeder.

The utility model provides a movable belt conveyor, which comprises a driving device, a frame, a tensioning mechanism and a cleaning mechanism, wherein,

a machine head roller is arranged at one end of the machine frame and is in power connection with a driving shaft of the driving device;

a bend drum is arranged at the other end of the rack, and an annular conveying belt is sleeved on the machine head roller and the bend drum;

the rack comprises a plurality of middle frames which are sequentially hinged;

the tensioning mechanism is arranged on the rack and used for adjusting the mounting position of the machine head roller so as to tension the conveying belt;

the cleaning mechanism is arranged on the rack and used for cleaning the conveying belt.

Preferably, in the movable belt conveyor provided by the present invention, the middle frame includes two side frames disposed in parallel and a cross beam vertically disposed between the two side frames, the side frames include an upper cross bar, a lower cross bar and two side bars, the length of the upper cross bar is greater than that of the lower cross bar, the two side bars are disposed at the ends of the upper cross bar and the lower cross bar and form an inverted isosceles trapezoid structure with the upper cross bar and the lower cross bar; in two adjacent middle frames, the upper end vertexes of the side frames arranged on the same side are hinged, and the lower end vertexes of the side frames arranged on the same side are connected through a connecting plate.

Preferably, in the movable belt conveyor provided by the utility model, in two adjacent intermediate frames, the upper end vertexes of the side frames arranged at the same side are hinged by a pin shaft in a transition fit manner; in two adjacent middle frames, one end of the connecting plate is hinged with the lower end vertex of one of the side frames in a transition fit mode through a pin shaft, and the other end of the connecting plate is connected with the lower end vertex of the other side frame in a clearance fit mode through a pin shaft and a stroke hole.

Preferably, in the utility model provides a portable belt feeder, two be provided with upper idler and snub pulley between the side frame, in the direction of height, the snub pulley is located the downside of upper idler, the up side of upper idler with the internal surface contact of conveyer belt, the up side of snub pulley with the external surface contact of conveyer belt.

Preferably, the number of the upper carrier rollers is three, one of the upper carrier rollers is an upper carrier roller bottom roller, the upper carrier roller bottom roller is horizontally arranged, the other two of the upper carrier rollers are upper carrier roller side rollers, the upper carrier roller side rollers are respectively arranged at two ends of the upper carrier roller bottom roller, the upper carrier roller side rollers are obliquely arranged relative to the upper carrier roller bottom roller, and the conveying belt is in contact with the upper carrier roller bottom roller and the upper carrier roller side rollers to form a conveying surface with a groove-shaped structure for conveying materials.

Preferably, in the utility model provides an among the portable belt feeder, straining device is including lead screw and slider, slider slidable ground set up in the frame, the lead screw with slider screw-thread fit, be used for the drive the slider is in slip in the frame, the aircraft nose cylinder set up in on the slider and can follow the slider is in slip in the frame is used for adjusting the tensioning degree of conveyer belt.

Preferably, in the movable belt conveyor provided by the present invention, the cleaning mechanism comprises an elastic self-attaching cleaner disposed at a lower end of the head roller; the elastic self-attaching sweeper comprises a gravity part, a lever and a sweeping end, wherein the gravity part is arranged at one end of the lever, the sweeping end is arranged at the other end of the lever, the middle section of the lever is hinged on the rack through a fixing part, and the sweeping end is attached to the lower side surface of the conveying belt; the cleaning mechanism further comprises a plow-type cleaner which is arranged on the rack and used for collecting and cleaning materials on the inner side surface of the conveying belt.

Preferably, the utility model provides an among the portable belt feeder, still including connecing the hopper, connect the hopper set up in the tail end of frame is located the upside of conveyer belt, be used for collecting on the conveyer belt the material of transport.

Preferably, in the utility model provides an among the portable belt feeder, in the tail end of frame is equipped with rings.

Preferably, in the movable belt conveyor provided by the present invention, the upper carrier roller is a high polymer material upper carrier roller; the lower carrier roller is made of high polymer materials.

Preferably, in the utility model provides a portable belt feeder, drive arrangement is the emulsion motor.

The utility model has the advantages as follows:

the utility model provides a movable belt conveyor, which comprises a driving device, a frame, a tensioning mechanism and a cleaning mechanism, wherein one end of the frame is provided with a machine head roller which is connected with the driving shaft power of the driving device; a bend drum is arranged at the other end of the frame, and an annular conveying belt is sleeved on the machine head roller and the bend drum; the rack comprises a plurality of middle frames which are sequentially hinged; the tensioning mechanism is arranged on the frame and used for adjusting the mounting position of the machine head roller so as to tension the conveying belt; the cleaning mechanism is arranged on the frame and used for cleaning the conveying belt. Through the structural design, the rack is composed of a plurality of middle racks, so that the length of the whole rack can be adjusted according to actual use requirements. The intermediate frames are preferably hinged, the connection is reliable, and meanwhile, the structures can be adjusted in a self-adaptive mode according to terrains, so that the use requirements of various terrains are met. The whole height of the rack can be set lower, and the rack can be applied to narrow roadways. The frame adopts steel frame construction, has advantages such as processing simple manufacture, overall structure compactness, light intensity height. The driving device preferably adopts an emulsion motor, and the application of the emulsion motor has the advantages of explosion prevention, easy taking, and convenient installation, disassembly and transportation. Through the overall structure design to portable belt feeder, can realize mechanized bedding construction in the limited region in fully-mechanized working face return air crossheading (or two tunnels) or other spaces, the utility model discloses an use has advantages such as the removal of being convenient for safely. The utility model discloses a combine and adopt the bottom of lying operation mechanization in working face return air crossheading or two roadways, reduced workman intensity of labour, improved production efficiency.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:

fig. 1 is a schematic structural view of the middle mobile belt conveyor of the present invention;

FIG. 2 is a schematic cross-sectional view of the middle frame of the present invention;

FIG. 3 is a schematic structural view of the middle frame of the present invention;

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention;

fig. 5 is a schematic structural view of a machine head driving part of the middle-moving belt conveyor of the present invention;

fig. 6 is the structure schematic diagram of the tail part of the mobile belt conveyor of the utility model.

Description of reference numerals:

1. a frame; 2. a headstock; 3. a head drum; 4. a bend drum; 5. a conveyor belt; 6. a lead screw; 7. a slider; 8. a slipper; 9. cleaning the end; 10. a lever; 11. a gravity member; 12. a fixing member; 13. a support leg; 14. a plow type sweeper; 15. a hoisting ring; 16. a receiving hopper; 17. a travel hole; 18. a hinge ear; 19. a pin shaft; 20. a tailstock; 21. an upper supporting roller; 22. a lower carrier roller; 23. a cross beam; 24. a side lever; 25. an upper cross bar; 26. a lower cross bar; 27. a coupling; 28. an emulsion motor.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.

In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, for example, they may be fixed or hinged; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

As shown in fig. 1 to 6, fig. 1 is a schematic structural view of the middle mobile belt machine of the present invention; FIG. 2 is a schematic cross-sectional view of the middle frame of the present invention; FIG. 3 is a schematic structural view of the middle frame of the present invention; fig. 4 is a schematic structural diagram of the driving mechanism of the present invention; fig. 5 is a schematic structural view of a machine head driving part of the middle-moving belt conveyor of the present invention; fig. 6 is the structure schematic diagram of the tail part of the mobile belt conveyor of the utility model.

Specifically, as shown in fig. 1, the utility model provides a portable belt feeder, this portable belt feeder include drive arrangement, frame 1, straining device and clean the mechanism. Wherein, one end (the left end as shown in fig. 1) of the frame 1 is provided with a head roller 3, and the head roller 3 is in power connection with a driving shaft of the driving device. Further, a head frame 2 is arranged at one end of the frame 1, a head roller 3 is mounted on the head frame 2, and the head roller 3 can rotate on the head frame 2.

A direction changing drum 4 is provided on the other end (right end as viewed in fig. 1) of the frame 1. Further, a tail stock 20 is provided at the other end of the chassis 1, and the direction changing drum 4 is mounted on the tail stock 20, and the direction changing drum 4 is rotatable on the tail stock 20.

An annular conveying belt 5 is sleeved on the outer side surfaces of the head roller 3 and the bend drum 4. That is, two ends of the endless conveyor belt 5 are supported and tensioned by the head roller 3 and the bend drum 4, the conveyor belt 5 is driven by the rotation of the head roller 3 to rotate around, the conveyor belt 5 is sleeved on the head roller 3 and the bend drum 4 to form a group of upper and lower parallel belts, and the upper and lower belts are part of the conveyor belt 5.

Further, the head drum 3 is in power connection with an emulsion motor 28 through a coupling 27, and the emulsion motor 28 is used for providing power for the rotation of the head drum 3.

Further, as shown in fig. 1 to 3, the rack 1 includes a plurality of intermediate frames, and the intermediate frames are sequentially hinged; a plurality of intermediate frames are arranged between the headstock 2 and the tailstock 20, and the number of the intermediate frames can be selected by a user according to actual working requirements.

Specifically, the structure of the intermediate frame is as follows: including for the perpendicular side frame that sets up of horizontal plane, the side frame sets up two, and two side frames are parallel and the interval sets up, have set up a plurality of crossbeams 23 between two side frames for improve the structural strength and the structural stability of middle frame.

The side frames include an upper cross bar 25, a lower cross bar 26 and two side bars 24, wherein the length of the upper cross bar 25 is greater than that of the lower cross bar 26. The two side rods 24 are disposed at the ends of the upper cross rod 25 and the lower cross rod 26, and form an inverted isosceles trapezoid structure with the upper cross rod 25 and the lower cross rod 26.

In two adjacent middle frames, the upper end vertexes of the side frames arranged on the same side are hinged, and the lower end vertexes of the side frames arranged on the same side are connected through a connecting plate 20. The top points of the upper ends of the side frames arranged on the same side in the two adjacent middle frames are hinged in a transition fit mode through pin shafts; in two adjacent middle frames, one end of the connecting plate 20 is hinged with the lower end vertex of one side frame in a transition fit mode through a pin shaft, and the other end of the connecting plate 20 is connected with the lower end vertex of the other side frame in a clearance fit mode through the pin shaft and the stroke hole 17.

Further, as shown in fig. 2, the upper carrier roller 21 includes an upper carrier roller bottom roller disposed parallel to the cross beam 23 and upper carrier roller side rollers disposed at two ends of the upper carrier roller bottom roller, the two upper carrier roller side rollers and the upper carrier roller bottom roller together form a concave structure, the conveyor belt 5 contacts the upper carrier roller bottom roller and the upper carrier roller side rollers and forms a conveying surface with a groove structure, and the concave groove structure conveying surface is beneficial for carrying materials.

Further, the middle frame further comprises a sliding shoe 8, the sliding shoe 8 is of a certain height, the sliding shoe 8 is used for being in direct contact with the ground of a roadway and the like, and the bottom end of the sliding shoe 8 is set to be in a shape convenient to slide, so that the movable belt conveyor can be displaced when actually needed.

Further, as shown in fig. 1 and 3, the middle side frame of the present invention is an isosceles trapezoid with a large upper portion and a small lower portion. Specifically, in two adjacent middle frames, the upper end vertexes of the side frames arranged on the same side are hinged in a transition fit mode through pin shafts; in two adjacent middle frames, one end of the connecting plate 20 is hinged with the lower end vertex of one side frame in a transition fit mode through a pin shaft, and the other end of the connecting plate 20 is connected with the lower end vertex of the other side frame in a clearance fit mode through the pin shaft and the stroke hole 17.

Further, as shown in fig. 5, in order to ensure that the conveyor belt 5 is constantly kept in a tensioned state and ensure the material transportation effect, a tensioning mechanism is arranged on the mobile belt conveyor and is arranged on the frame 1 for tensioning the conveyor belt 5. The tensioning mechanism comprises a lead screw 6 and a sliding block 7, wherein the sliding block 7 is installed on the rack in a slidable mode, specifically, a sliding groove is formed in the rack, and the sliding block 7 is arranged in the sliding groove in a sliding mode. The lead screw 6 is rotatably installed on the rack, the sliding block 7 is in threaded fit with the lead screw 6, and the reciprocating motion of the sliding block 7 on the rack can be realized by the rotation of the lead screw 6. The machine head roller 3 is provided with a roller shaft, the roller shaft is provided with a mounting seat, the mounting seat is fixedly arranged on the sliding block 7, and the sliding block 7 moves on the rack to drive the machine head roller 3 to act, so that the conveying belt 5 is tensioned and loosened.

Further, in order to avoid the problem that the material is stuck to the conveyer belt 5, in this embodiment, the transfer type belt conveyor is provided with a cleaning mechanism, and the cleaning mechanism is arranged on the frame 1 and used for cleaning the conveyer belt 5.

Specifically, as shown in fig. 5, the cleaning mechanism includes an elastic self-attaching cleaner disposed at the lower end of the head roller 3, the elastic self-attaching cleaner includes a gravity component 11, a lever 10 and a cleaning end 9, the gravity component 11 is disposed at one end (e.g., the left end in fig. 5) of the lever 10, the cleaning end 9 is disposed at the other end (e.g., the right end in fig. 5) of the lever 10, the middle section of the lever 10 is hinged to the lower end of the frame 1 through a fixing member 12, the lever 10 can rotate around a connection point with the fixing member 12, the gravity component 11 applies an acting force to one end of the lever 10 so that the cleaning end 9 at the other end of the lever 10 is attached to the lower side surface of the conveyor belt 5, and when the conveyor belt 5 operates, the cleaning. In particular, the cleaning end 9 may be a plastic scraper, or a brush, or any other component capable of cleaning the conveyor belt 5.

Further, as shown in fig. 1 and 6, the sweeping mechanism further includes a plow-type sweeper 14 disposed on the frame 1 and inside the conveyor belt 5. The inside of the conveying belt 5 specifically means: the conveyor belt 5 is endless, the inside being the inside of the loop.

Furthermore, a receiving hopper 16 is arranged at the upper end of the bend drum 4, and the receiving hopper 16 is arranged at the tail end of the rack, is positioned at the upper side of the conveyer belt 5 and is used for collecting materials conveyed on the conveyer belt 5.

Further, a hanging ring 15 is arranged at the end of the frame 1.

The utility model provides a portable belt feeder is a novel portable belt conveyor system, and it is including the frame, and the frame comprises headstock 2, tailstock 20 and middle frame, and the main part framework part of headstock 2, tailstock 20 and middle frame all adopts hollow square steel to make. So can make the utility model discloses frame part processing simple manufacture, overall structure are compact, light, intensity is high, the installation is demolishd advantages such as transportation convenience.

The middle frames are of inverted trapezoid frame structures, the upper vertexes of the middle frames are hinged, and the lower vertexes of the middle frames are connected through the connecting plates, so that the middle frames can be adaptively adjusted according to the shape of the ground, and the use requirements of various terrains are met. Specifically, the headstock 2, the middle frame and the tailstock 20 are connected in a structure matching manner through the pin shaft 19, the connecting plate 20 and the hinge lug 18, so that the straightness of the belt operation is ensured, the change of the height fluctuation of the roadway bottom plate is adaptable, and the practicability is very high. Thereby make the utility model discloses realize mechanized bedding construction and safe swift removal in the combined mining working face return air crossheading (or two tunnels) and the limited region realization in other spaces.

The emulsion motor 28 has explosion-proof performance, can be used in high gas or coal dust explosion danger mines, and simultaneously, the emulsion motor 28 has the advantages of low speed, large torque (the adaptive transport distance can reach 80 meters), low operation noise, safety, reliability (brake emergency stop) and the like.

The upper carrier roller 21 and the lower carrier roller 22 of the movable belt conveyor are both made of high polymer materials, and the high polymer material carrier roller has the advantages of light weight, small running resistance, low noise, wear resistance, corrosion resistance, long service life and the like.

In order to move conveniently, the utility model discloses all install landing leg piston shoes 8 in headstock 2, intermediate frame, tailstock 20's bottom, accessible pulling force realizes whole steady movement.

The utility model discloses cooperate explosion-proof electric excavator decubitus shipment, through the jack pulling that presets jack or tunnel top, group and install on the fore-stock simultaneously and move the moving as a whole, it is big, high in labor strength to have solved artifical decubitus work load, and the tunnel warp the unable clearance of the big amount of coal (cash) that seriously crouches out, still piles up the jam in the both sides in tunnel or bottom plate in the tunnel, leads to unable pedestrian or the ventilation section not enough scheduling problem. The utility model discloses an use, realized fully mechanized and adopted the decubitus bottom operation mechanization in working face return air crossheading or two roadways, reduced workman intensity of labour, improved production efficiency.

Further, this portable belt feeder uses emulsion motor 28 drive, emulsion motor 28 uses the emulsion of working face emulsion pump station as drive power, only need lay hydraulic line can, do not need external power supply and cabling, 22 KW's emulsion motor 28 has explosion-proof capability, can use in the mine of high gas or having the coal dust explosion danger, this emulsion motor 28 has big moment of torsion of low-speed (adaptation transport distance can reach 80 meters) simultaneously, the running noise is little, advantages such as safe and reliable (brake scram).

The movable belt conveyor can be divided into three parts: the machine head driving part, the machine body middle frame part and the machine tail part.

For the handpiece drive section: comprises a headstock 2, a handpiece roller 3 with the diameter of 400mm is arranged on the headstock 2, and the handpiece roller 3 is connected with an emulsion motor 28 on the headstock 2 through a coupler 27. The headstock 2 adopts a 25mm steel structure frame, a sliding groove is formed in the headstock 2, a sliding block 7 is arranged in the sliding groove and is connected with a lead screw 6 in a matching mode with the sliding block 7, the lead screw 6 drives the sliding block 7 to slide on the headstock 2, the sliding distance of the sliding block 7 can reach 500mm, the machine head roller 3 is installed on the sliding block 7, the sliding block 7 drives the machine head roller 3 to move, and tensioning and loosening of the conveying belt 5 can be achieved. In order to ensure the stability of head installation and the flexibility of movement, two supporting legs 13 are arranged below the head frame 2, and sliding shoes 8 are arranged on the supporting legs 13. The utility model discloses at aircraft nose drive division, also set up elasticity from laminating sweeper 5 on the headstock 2 exactly, can in time clear up the coal slime that adheres to surface on conveyer belt 5 from laminating sweeper 5 through elasticity.

For the intermediate frame part of the fuselage: the middle frame part of the machine body is composed of a plurality of sections of middle frames, the length of each middle frame is 3 m/section, the middle frames are formed by splicing hollow square steel frames of 40 x 60mm, and hinge lugs 18 are arranged at the top point and the bottom point of each middle frame, so that the hinge lugs 18 can be used for installing pin shafts 19 and connecting plates 20. Specifically, the upper part of the middle frame is connected with the hinge lug 18 by using a pin 19, and the lower part of the middle frame is connected with the hinge lug by using a connecting plate 20. The hinge pin shaft 19 and the hinge lug 18 are in transition fit, so that the straightness of the belt conveyor is guaranteed, and the belt conveyor is convenient to disassemble and assemble. In the lower connecting structure of the middle frame, a hinge lug arranged at the top of the lower part of the middle frame is in transition fit with a pin hole at one end of the connecting plate 20, and the other end of the connecting plate 20 and the other middle frame are in clearance fit with a stroke hole 17, so that the movable belt conveyor can adapt to the fluctuation of the roadway. Meanwhile, the middle part of the middle frame is also provided with the supporting leg sliding shoes, so that the mounting and dismounting are convenient, and the stable self-moving of the tension is realized. The upper carrier roller 21 and the lower carrier roller 22 are arranged on the rack, the upper carrier roller 21 and the lower carrier roller 22 both use polymer carrier rollers, and the polymer carrier rollers have the advantages of light weight, small running resistance, low noise, wear resistance, corrosion resistance, long service life and the like. Specifically, the upper carrier roller 21 adopts a phi 89 x 275mm structure, and the lower carrier roller 22 adopts a phi 89 x 950mm structure.

For the tail part: the tail part comprises a tail frame 20, a bend cylinder 4 with phi 320 x 950mm is arranged on the tail frame 20, and meanwhile, a receiving hopper 16 is arranged on the tail frame 20, so that the mechanical bottom loading is facilitated, and the problem that the safe operation of the belt conveyor is influenced due to material throwing is prevented. The pear-type sweeper 12 is arranged above the conveyer belt 5 at the bottom of the machine tail and in front of the bend cylinder 4, so that coal (waste rock) thrown onto the conveyer belt 5 at the bottom of the belt conveyor in the transportation process can be cleaned in time, and the safety and reliability of the operation of the movable belt conveyor are guaranteed. Furthermore, two sides of the tail frame 20 are respectively provided with a high-strength hanging ring 15 for the whole sliding of the mobile belt conveyor dragged by a steel wire rope through a jack preset on the return air gateway or two roadway forearms or installed on the roadway top and side.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A movable belt conveyor is characterized by comprising a driving device, a frame, a tensioning mechanism and a cleaning mechanism, wherein,

the rack comprises a plurality of middle frames which are sequentially hinged;

2. The mobile belt conveyor of claim 1,

the middle frame comprises two side frames which are arranged in parallel and a cross beam which is vertically arranged between the two side frames, the side frames comprise an upper cross bar, a lower cross bar and two side bars, the length of the upper cross bar is greater than that of the lower cross bar, and the two side bars are arranged at the end parts of the upper cross bar and the lower cross bar and form an inverted isosceles trapezoid structure together with the upper cross bar and the lower cross bar;

in two adjacent middle frames, the upper end vertexes of the side frames arranged on the same side are hinged, and the lower end vertexes of the side frames arranged on the same side are connected through a connecting plate.

3. The mobile belt conveyor of claim 2,

in two adjacent middle frames, the upper end vertexes of the side frames arranged on the same side are hinged in a transition fit mode through pin shafts;

in two adjacent middle frames, one end of the connecting plate is hinged with the lower end vertex of one of the side frames in a transition fit mode through a pin shaft, and the other end of the connecting plate is connected with the lower end vertex of the other side frame in a clearance fit mode through a pin shaft and a stroke hole.

4. The mobile belt conveyor of claim 2,

an upper carrier roller and a lower carrier roller are arranged between the two side frames, in the height direction, the lower carrier roller is positioned at the lower side of the upper carrier roller, the upper side surface of the upper carrier roller is contacted with the inner surface of the conveying belt, and the upper side surface of the lower carrier roller is contacted with the outer surface of the conveying belt;

5. The mobile belt conveyor of claim 1,

the tensioning mechanism comprises a lead screw and a sliding block, the sliding block is slidably arranged on the rack, the lead screw is in threaded fit with the sliding block and is used for driving the sliding block to slide on the rack, and the machine head roller is arranged on the sliding block, can slide on the rack along with the sliding block and is used for adjusting the tensioning degree of the conveying belt.

6. The mobile belt conveyor of claim 1,

the cleaning mechanism comprises an elastic self-attaching cleaner arranged at the lower end of the machine head roller;

the elastic self-attaching sweeper comprises a gravity part, a lever and a sweeping end, wherein the gravity part is arranged at one end of the lever, the sweeping end is arranged at the other end of the lever, the middle section of the lever is hinged on the rack through a fixing part, and the sweeping end is attached to the lower side surface of the conveying belt;

the cleaning mechanism further comprises a plow-type cleaner which is arranged on the rack and used for collecting and cleaning materials on the inner side surface of the conveying belt.

7. The mobile belt conveyor of claim 1,

the material collecting device is characterized by further comprising a material collecting hopper, wherein the material collecting hopper is arranged at the tail end of the rack, is positioned on the upper side of the conveying belt and is used for collecting the conveyed materials on the conveying belt.

8. The mobile belt conveyor of claim 1,

and a hanging ring is arranged at the tail end of the rack.

9. The mobile belt conveyor of claim 4,

the upper carrier roller is made of high polymer materials;

the lower carrier roller is made of high polymer materials.

10. A mobile belt conveyor according to any one of claims 1 to 9,

the driving device is an emulsion motor.