CN220097511U - Belt conveyor and belt conveyor - Google Patents

Abstract

The embodiment discloses belt conveyor and belt conveyor relates to material transport technical field, and belt conveyor is through transversely setting up two shielding mechanism side by side on drive frame, and the conveyer belt of winding on drive roll and driven voller is located between two shielding mechanism, can prevent through shielding mechanism that the material on the conveyer belt from falling from the side of conveyer belt like this to prevent that the material from falling to the conveyer belt, avoid causing the conveyer belt damage as far as possible.

Description

Belt conveyor and belt conveyor

Technical Field

The utility model relates to the technical field of material conveying, in particular to a belt conveying device and a belt conveyor.

Background

The color selector is equipment for automatically sorting out different-color particles in the particle materials by utilizing a photoelectric detection technology according to the difference of optical characteristics of the materials, and in the working process of the color selector, the materials to be sorted are stably conveyed to a sorting area from a feeding hopper area at a certain speed through a belt conveyor which is horizontally arranged, and the materials are horizontally thrown out at the front end of the belt conveyor to finish the work of identification, rejection and the like, so that the whole color selection process is realized. The belt conveyor is used as a core component of the color sorter, and the operation stability of the belt conveyor has a key effect on the whole sorting process.

The belt conveyor generally comprises a driving roller, a driven roller and a conveying belt wound outside the driving roller and the driven roller, however, when the conventional belt conveyor conveys materials, the materials easily fall between an upper layer and a lower layer of the conveying belt, and therefore the materials damage the conveying belt when the conveying belt moves along with the driving roller, and the conveying efficiency and the service life of the belt are affected.

Disclosure of Invention

The utility model aims to provide a belt conveyor device and a belt conveyor, which can prevent materials from falling onto a conveyor belt and avoid damage to the conveyor belt as much as possible.

In a first aspect, the present utility model provides a belt conveyor comprising:

a transmission frame;

a driving roller and a driven roller which are longitudinally arranged in parallel and can be rotationally arranged on the transmission frame;

a conveyor belt wound around the driving roller and the driven roller;

the two shielding mechanisms are transversely arranged on the transmission frame in parallel, the conveying belt is positioned between the two shielding mechanisms, and the shielding mechanisms are used for preventing materials on the conveying belt from falling from the side edges of the conveying belt.

In an alternative embodiment, the shielding mechanism comprises a flange assembly, the flange assembly comprises a connecting piece and a baffle, one end of the connecting piece is connected to the transmission frame at a position located outside the conveying belt, the other end of the connecting piece extends to the upper part of the conveying belt, and the baffle is connected to the other end of the connecting piece so as to be suspended on the conveying belt;

and/or the number of the groups of groups,

the shielding mechanism comprises a cover plate assembly, the cover plate assembly comprises a cover plate, a cover plate pressing curtain and a leather curtain pressing plate, the cover plate pressing curtain is arranged on the transmission frame and located at the position outside the conveying belt, the cover plate is arranged on the cover plate pressing curtain through the leather curtain pressing plate, the cover plates located on two sides of the conveying belt are mutually inclined, and the cover plates extend into the space between the upper layer and the lower layer of the conveying belt.

In an alternative embodiment, the transmission frame comprises a frame and a plurality of cross bars connected in the frame, and the driving roller and the driven roller are rotatably connected to the frame.

In an alternative embodiment, the frame is formed by welding a plurality of square tubes, the cross bar is made of C-shaped steel, and the cross bar is welded with the frame.

In an alternative embodiment, the belt conveying device further comprises a first bearing assembly, the first bearing assembly comprises a first bearing seat, a first bearing and a first dust ring, the first bearing seat is installed on the transmission frame, the first bearing and the first dust ring are fixed in the first bearing seat, and one end of the driving roller penetrates through the first bearing and the first dust ring.

In an alternative embodiment, the driven roller comprises a driven roller shaft and a driven roller, two ends of the driven roller shaft are fixed on the transmission frame, a second bearing assembly is sleeved on the driven roller shaft, the second bearing assembly comprises a second bearing and a second dust ring, and the driven roller is sleeved outside the second bearing and the second dust ring.

In an alternative embodiment, driven roller mounting plates capable of longitudinally adjusting positions are arranged on the transmission frame, and two ends of the driven roller shaft are respectively fixed on one driven roller mounting plate.

In an alternative embodiment, the transmission frame is further provided with a rotatable tensioning roller, and the tensioning roller is arranged between the upper layer and the lower layer of the conveying belt in a penetrating manner and presses the conveying belt downwards;

and/or the number of the groups of groups,

the dust scraping brush is also arranged on the transmission frame and is in sliding abutting connection with the lower surface of the conveying belt.

In a second aspect, the present utility model provides a belt conveyor comprising a frame and a belt conveyor according to any one of the preceding embodiments, wherein the drive frame is arranged on the frame.

In an alternative embodiment, two lateral sides of the transmission frame are respectively provided with a rotatable upper press roller, the stand is provided with a rotatable support roller, and the support roller corresponds to the upper press roller.

The beneficial effects of the embodiment of the utility model include:

through transversely setting up two shielding mechanism side by side on drive frame, and the conveyer belt of winding on drive roll and driven voller is located between two shielding mechanism, can prevent through shielding mechanism that the material on the conveyer belt from falling down from the side of conveyer belt like this to prevent that the material from falling to the conveyer belt, avoid causing the conveyer belt damage as far as possible.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a belt conveyor of the present embodiment;

fig. 2 is a schematic perspective view of a belt conveyor according to the present embodiment;

FIG. 3 is a perspective view showing the combined structure of the driving roller and the driving assembly of the present embodiment;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is an enlarged view of the portion A of FIG. 4;

FIG. 6 is an enlarged view of the portion B of FIG. 4;

FIG. 7 is a perspective view of the driven roller and the mounting plate thereof according to the present embodiment;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is an enlarged view of portion C of FIG. 8;

FIG. 10 is a perspective view of the tension roller of the present embodiment;

FIG. 11 is a front view of the cover plate assembly of the present embodiment;

fig. 12 is a side view of the cover plate assembly of the present embodiment.

Icon: 100-frames; 110-supporting legs; 200-a belt conveying device; 210-a transmission frame; 211-frame; 212-a cross bar; 213-supporting a roller frame; 2130—back-up rolls; 214-upper press roll frame; 2140-upper press roll; 215-supporting frames; 220-a drive roll; 221-a drive assembly; 2210—a drive motor; 2211-a driving wheel; 2212-driven wheel; 2213—a synchronous belt; 222-motor cover; 223-belt cover; 224-a first bearing assembly; 2241-a first bearing seat; 2242-first bearings; 2243-a first dust ring; 2244-circlips for first shaft; 2245-circlips for first holes; 2246-bearing seat cover plate; 2247-sealing rings; 230-driven roller; 231-driven roller shaft; 232-driven roller; 234-a second bearing assembly; 2341-a second bearing; 2342-a second dust ring; 2343 circlips for second shaft; 2344-circlip for second hole; 235-a driven roller mounting plate; 2353-an adjustment plate; 2354-adjusting screw; 240-tensioning roller; 241-a seated bearing; 242-tensioning bearing housing; 243-a tension roller connection plate; 250-conveyer belt; 260-a dust scraping brush; 270-a flange assembly; 271-a connector; 272-a baffle; 280-a cover plate assembly; 281-cover plate; 282-cover plate pressing curtain; 283-leather curtain press plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The mechanisms of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to fig. 1 to 12. The following embodiments and features of the embodiments may be combined with each other without conflict.

A belt conveyor can be used for a color sorter to convey granular materials to be color-sorted, and comprises a frame 100 and a belt conveying device 200 arranged on the frame 100.

The frame 100 is integrally formed by welding square pipes, so that the belt conveyor 200 is guaranteed to have enough bearing capacity, four supporting legs 110 are arranged at the bottom of the frame 100, and optionally, the heights of the supporting legs 110 can be adjusted, so that the belt conveyor 200 can be horizontal as much as possible.

A support roller frame 213 is provided on both lateral sides of the frame 100, a rotatable support roller 2130 is provided on the support roller frame 213, and a rotation axis of the support roller 2130 is provided along the longitudinal direction.

The belt conveyor 200 includes a driving frame 210, a driving roller 220, a driven roller 230, a tension roller 240, a conveyor belt 250, a dust scraping brush 260, and a shielding mechanism.

The driving frame 210 is mounted on the frame 100, and is mainly used for supporting the driving roller 220, the driven roller 230, the tension roller 240, the conveyor belt 250, the dust scraping brush 260, the shielding mechanism and the like. The driving frame 210 includes a frame 211 and a plurality of cross bars 212 connected in the frame 211, each cross bar 212 extends transversely, a driving roller 220 and a driven roller 230 are rotatably connected at front and rear ends of the frame 211 in a longitudinal direction, and axes of the driving roller 220 and the driven roller 230 are arranged along the transverse direction, so that the driving roller 220 and the driven roller 230 are longitudinally arranged on the driving frame 210 in parallel, a conveying belt 250 is wound on the driving roller 220 and the driven roller 230, and is divided into an upper layer and a lower layer by the driving roller 220 and the driven roller 230, and the upper layer of the conveying belt 250 is mainly used for conveying materials.

Wherein, frame 211 adopts a plurality of 60 mm's square pipe welding to form, and horizontal pole 212 is C shape steel, and the both ends and the frame 211 welding of horizontal pole 212, the interval between two vertically adjacent horizontal poles 212 is 90mm. In this way, the transmission frame 210 formed by welding the square tube and the C-shaped steel is integrally formed into a metal plate hollow structure, so that friction with the conveying belt 250 is reduced, the service life of the conveying belt 250 is prolonged, and the service efficiency of the conveying belt 250 is improved.

A plurality of support frames 215, specifically, four, are provided at the lower surface of the frame 211, and the support frames 215 may be connected to the frame 100 by means of screws or the like, thereby achieving the installation of the driving frame 210 on the frame 100.

The rotatable upper press roller 2140 is disposed on two lateral sides of the frame 211 of the driving frame 210 through the upper press roller frame 214, the rotation axis of the upper press roller 2140 is disposed along the longitudinal direction, the support roller 2130 corresponds to the upper press roller 2140, and the conveyor belt 250 can pass through between the support roller 2130 and the upper press roller 2140, so that when the conveyor belt 250 is removed, the friction between the support roller 2130 and the upper press roller 2140 and the conveyor belt 250 can be rotated during the process of pulling the conveyor belt 250 out along the lateral direction through the support roller 2130 and the upper press roller 2140, thereby guiding the conveyor belt 250, and facilitating and saving the removal of the conveyor belt 250.

The rotation power of the driving roller 220 is mainly realized through a driving assembly 221 in transmission connection with the driving roller 220, the driving assembly 221 comprises a driving motor 2210 and a transmission piece, the driving motor 2210 is installed on the transmission frame 210, and an output shaft of the driving motor 2210 is in transmission connection with one end of the driving roller 220 through the transmission piece, so that torque is transmitted to the driving roller 220 when the driving motor 2210 works, the driving roller 220 can rotate, and the conveying belt 250 is driven to work.

In this embodiment, the transmission member may specifically be a synchronous belt 2213 transmission mechanism, that is, the transmission member includes a driving wheel 2211, a driven wheel 2212 and a synchronous belt 2213, the driving wheel 2211 is sleeved on an output shaft of the driving motor 2210, the driven wheel 2212 is sleeved on one end of the driving roller 220, and the synchronous belt 2213 is wound on the driving wheel 2211 and the driven wheel 2212, so when the driving motor 2210 works, the driving wheel 2211 can drive the driven wheel 2212 to rotate through the synchronous belt 2213, and then drive the driving roller 220 to rotate through the driven wheel 2212.

In order to prevent the contamination from affecting the motor and the driving member, a motor cover 222 is installed outside the motor, and a belt cover 223 is installed outside the synchronous belt 2213, so that the use efficiency of the motor and the driving member is prolonged, thereby improving the use efficiency of the conveyor belt 250.

Of course, in other embodiments, the transmission member may be a multi-stage gear structure.

In this embodiment, two first bearing assemblies 224 are disposed on the transmission frame 210, and two ends of the driving roller 220 are respectively disposed through one first bearing assembly 224, so that the smoothness of rotation and the rotation precision are ensured by the first bearing assemblies 224.

Specifically, the first bearing assembly 224 includes a first bearing seat 2241, a first bearing 2242, and a first dust ring 2243, the first bearing seat 2241 is mounted on the transmission frame 210, the first bearing 2242 and the first dust ring 2243 are both fixed in the first bearing seat 2241, and either end of the driving roller 220 is disposed through the first bearing 2242 and the first dust ring 2243.

Meanwhile, in order to limit the position of the first bearing 2242 in the first bearing housing 2241, there is a first-shaft circlip 2244 on the driving roller 220, and a first-hole circlip 2245 is provided in the first bearing housing 2241, and the first-shaft circlip 2244 and the first-hole circlip 2245 are located on both sides of the first bearing 2242, respectively.

It should be noted that, for the first bearing assembly 224 that is worn at one end of the driving roller 220 and is used for connecting with the driving assembly 221, the first hole circlip 2245, the first bearing 2242 and the first shaft circlip 2244 are sequentially distributed between the two first dust rings 2243, so that dust is prevented from entering the first bearing seat 2241 as much as possible to damage the first bearing 2242, thereby prolonging the service life of the first bearing 2242, and further improving the service efficiency of the conveying belt 250.

In the first bearing assembly 224 that is penetrated at the end of the driving roller 220 far away from the driving assembly 221, the side of the first bearing seat 2241 far away from the driving assembly 221 is covered by a bearing seat cover plate 2246, a sealing ring 2247 such as an O-ring is sleeved outside the driving roller 220, the side near the driving assembly 221 is sealed by a first dust ring 2243, and a first shaft circlip 2244, a bearing and a first hole circlip 2245 are sequentially arranged between the first dust ring 2243 and the sealing ring 2247.

The driven roller 230 includes a driven roller shaft 231 and a driven roller 232, both ends of the driven roller shaft 231 are fixed to the driving frame 210, two second bearing assemblies 234 are sleeved on the driven roller shaft 231, the second bearing assemblies 234 include a second bearing 2341 and a second dust ring 2342, the second dust ring 2342 is closer to the end of the driven roller shaft 231 than the second bearing 2341, and the driven roller 232 is sleeved outside the second bearing 2341 and the second dust ring 2342. In this way, the second dust ring 2342 can prevent dust from affecting the second bearing 2341, and prolong the service life of the second bearing 2341.

In order to restrict the position of the second bearing 2341 on the driven roller shaft 231, a second-shaft circlip 2343 is provided on one side of the second bearing 2341, and a second-hole circlip 2344 is provided on the other side of the second bearing 2341.

The driven roller mounting plates 235 capable of longitudinally adjusting positions are arranged on the transmission frame 210, and two ends of the driven roller shaft 231 are respectively fixed on one driven roller mounting plate 235, so that the conveyor belt 250 can be loosened or tightened by changing the longitudinal position of the driven roller mounting plates 235 on the transmission frame 210, so that the conveyor belt 250 has proper tension, and the deviation is avoided as much as possible.

Specifically, the side surface of the driven roller mounting plate 235 is provided with a longitudinally extending sliding groove, the side surface of the transmission frame 210 is provided with a longitudinally extending sliding rail, and the sliding groove is in sliding fit with the sliding rail, so that the position of the driven roller mounting plate 235 on the transmission frame 210 is changed.

Wherein, still be provided with regulating plate 2353 in the side of drive frame 210, regulating plate 2353 wears to be equipped with adjusting screw 2354, adjusting screw 2354 and driven voller mounting panel 235 threaded connection, so, can realize the longitudinal movement of driven voller mounting panel 235 through screwing adjusting screw 2354, stop screwing adjusting screw 2354, then utilize the nut locking to realize fixing.

The rotatable tensioning roller 240 is further arranged on the transmission frame 210, the tensioning roller 240 is positioned between the driving roller 220 and the driven roller, the tensioning roller 240 is arranged between the upper layer and the lower layer of the conveying belt 250 in a penetrating manner, and the tensioning tube presses the conveying belt 250 downwards to tension the conveying belt 250.

Wherein, both ends of the tensioning roller 240 are respectively mounted on the transmission frame 210 through a belt seat bearing 241, and the belt seat bearing 241 is covered by a tensioning bearing cover 242 to prevent dust from affecting the bearing in the belt seat bearing 241. Wherein the seat body of the seat bearing 241 is mounted to the driving frame 210 through the tension roller connection plate 243.

In addition, a dust scraping brush 260 is further provided on the transmission frame 210, and the dust scraping brush 260 is slidably abutted against the lower surface of the conveyor belt 250, so that the dust of the material not adhered to the conveyor belt 250 is cleaned.

The two shielding mechanisms are transversely arranged on the transmission frame 210 in parallel, the conveying belt 250 is positioned between the two shielding mechanisms, and the shielding mechanisms are used for preventing materials on the conveying belt 250 from falling from the side edge of the conveying belt 250, so that the materials are prevented from falling to the conveying belt 250, and damage to the conveying belt 250 is avoided as much as possible.

The shielding mechanism comprises a flange assembly 270, the flange assembly 270 comprises a connecting piece 271 and a baffle 272, one end of the connecting piece 271 is connected to the transmission frame 210 at a position located outside the conveying belt 250, the other end of the connecting piece 271 extends to the upper side of the conveying belt 250, and the baffle 272 is connected to the other end of the connecting piece 271 so as to be suspended on the conveying belt 250. Wherein, the flexible strip is installed at the lower measuring edge of the baffle 272, so as to avoid scratch to the conveyer belt 250 as much as possible, and intercept the materials as much as possible.

The shielding mechanism comprises a cover plate assembly 280, the cover plate assembly 280 comprises a cover plate 281, a cover plate pressing curtain 282 and a leather curtain pressing plate 283, the cover plate pressing curtain 282 is arranged at the position, located on the outer side of the conveying belt 250, of the transmission frame 210, the cover plate 281 is arranged on the cover plate pressing curtain 282 through the leather curtain pressing plate 283, wherein the cover plates 281 located on two sides of the conveying belt 250 are mutually inclined and extend into the space between the upper layer and the lower layer of the conveying belt 250, and therefore when materials on the conveying belt 250 fall down beyond the flange assembly 270, the materials are prevented from entering the space between the upper layer and the lower layer of the conveying belt 250 as much as possible, and damage to the conveying belt 250 is reduced.

In summary, this embodiment discloses a belt conveyor 200 and a belt conveyor, by arranging two shielding mechanisms on a driving frame 210 in parallel, and a conveyor belt 250 wound on a driving roller 220 and a driven roller 230 between the two shielding mechanisms, materials on the conveyor belt 250 can be prevented from falling from the side of the conveyor belt 250 by the shielding mechanisms, so that the materials are prevented from falling to the conveyor belt 250, and damage to the conveyor belt 250 is avoided as much as possible.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (9)

1. A belt conveyor, comprising:

a transmission frame;

a driving roller and a driven roller which are longitudinally arranged in parallel and can be rotationally arranged on the transmission frame;

a conveyor belt wound around the driving roller and the driven roller;

the two shielding mechanisms are transversely arranged on the transmission frame in parallel, the conveying belt is positioned between the two shielding mechanisms, and the shielding mechanisms are used for preventing materials on the conveying belt from falling from the side edges of the conveying belt;

the transmission frame comprises a frame and a plurality of cross bars connected in the frame, and the driving roller and the driven roller are rotatably connected to the frame.

2. The belt conveyor of claim 1, wherein the shielding mechanism comprises a flange assembly, the flange assembly comprising a connector and a baffle, one end of the connector being connected to the transmission frame at a position outside the conveyor belt, the other end of the connector extending above the conveyor belt, the baffle being connected to the other end of the connector so as to hang on the conveyor belt;

and/or the number of the groups of groups,

the shielding mechanism comprises a cover plate assembly, the cover plate assembly comprises a cover plate, a cover plate pressing curtain and a leather curtain pressing plate, the cover plate pressing curtain is arranged on the transmission frame and located at the position outside the conveying belt, the cover plate is arranged on the cover plate pressing curtain through the leather curtain pressing plate, the cover plates located on two sides of the conveying belt are mutually inclined, and the cover plates extend into the space between the upper layer and the lower layer of the conveying belt.

3. The belt conveyor of claim 1, wherein the frame is welded from a plurality of square tubes, the cross bar is C-steel, and the cross bar is welded to the frame.

4. The belt conveyor of claim 1, further comprising a first bearing assembly, the first bearing assembly comprising a first bearing housing, a first bearing, and a first dust ring, the first bearing housing mounted to the drive frame, the first bearing and the first dust ring both secured within the first bearing housing, one end of the drive roller passing through the first bearing and the first dust ring.

5. The belt conveyor according to claim 1, wherein the driven roller includes a driven roller shaft and a driven roller, both ends of the driven roller shaft are fixed to the transmission frame, a second bearing assembly is sleeved on the driven roller shaft, the second bearing assembly includes a second bearing and a second dust ring, and the driven roller is sleeved outside the second bearing and the second dust ring.

6. The belt conveyor according to claim 5, wherein the drive frame is provided with driven roller mounting plates capable of longitudinally adjusting positions, and both ends of the driven roller shaft are respectively fixed to one of the driven roller mounting plates.

7. The belt conveyor according to claim 1, wherein the transmission frame is further provided with a rotatable tensioning roller, and the tensioning roller is arranged between the upper layer and the lower layer of the conveyor belt in a penetrating manner and presses the conveyor belt downwards;

and/or the number of the groups of groups,

the dust scraping brush is also arranged on the transmission frame and is in sliding abutting connection with the lower surface of the conveying belt.

8. A belt conveyor comprising a frame and the belt conveyor of any one of claims 1-7, wherein the drive frame is disposed on the frame.

9. The belt conveyor of claim 8, wherein the transmission frame is provided with rotatable upper press rollers on both lateral sides thereof, and the frame is provided with rotatable support rollers corresponding to the upper press rollers.