CN216510759U

CN216510759U - Belt conveyor

Info

Publication number: CN216510759U
Application number: CN202122478952.2U
Authority: CN
Inventors: 陈志威; 柴明道; 李赛
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-13
Anticipated expiration: 2031-10-14

Abstract

The utility model provides a belt conveyor, which comprises a frame, feeder hopper and transport mechanism install in the frame, transport mechanism includes frequency conversion drive assembly, the initiative cylinder, driven cylinder and conveyer, frequency conversion drive assembly is connected with the initiative cylinder, driven cylinder rotationally connects in the frame, the conveyer winding is on initiative cylinder and driven cylinder, the discharge gate of feeder hopper is located conveyer's top, frequency conversion drive assembly can order about the initiative cylinder according to the material characteristic frequency conversion and rotate. The belt conveyor has high conveying efficiency, can adjust the rotating speed and reduce the jumping.

Description

Belt conveyor

Technical Field

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

Background

Band conveyer is often used for the continuous conveyor of material, and current band conveyer adopts the motor to add the form drive of speed reducer, and shared space is big, and because the abominable and complicated of mine operating mode, current band conveyer often because of the material jump, leak near bearing roller or cylinder arouse the trouble, conveying efficiency is low, in addition, because band conveyer's top (the top of conveyer belt promptly) is not sealed, the phenomenon that the material splashes or the raise dust can appear when the transportation material, influences staff's health and safety.

SUMMERY OF THE UTILITY MODEL

In view of this, the belt conveyor of the utility model has high conveying efficiency, can adjust the rotating speed and reduce the material jumping.

The utility model provides a belt conveyor, includes frame, feeder hopper and transport mechanism, the feeder hopper with transport mechanism installs in the frame, transport mechanism includes frequency conversion drive assembly, initiative cylinder, driven cylinder and conveyer, frequency conversion drive assembly with the initiative cylinder is connected, the initiative cylinder driven cylinder rotationally connect in the frame, the conveyer winding is in the initiative cylinder with driven cylinder is last, the discharge gate of feeder hopper is located conveyer's top, frequency conversion drive assembly can order about according to material characteristic frequency conversion the initiative cylinder rotates.

In the utility model, the variable frequency driving component comprises a variable frequency motor and a speed reducer, wherein an output shaft of the variable frequency motor is connected with the speed reducer, and an output shaft of the speed reducer is connected with the driving roller.

In the utility model, a tensioning mechanism is arranged on the machine frame, the tensioning mechanism comprises a first sliding seat, a second sliding seat and a tensioning driver, the first sliding seat and the second sliding seat are slidably connected to the machine frame, the driven roller is connected between the first sliding seat and the second sliding seat, the tensioning driver is connected to the machine frame, and the tensioning driver is used for synchronously moving the first sliding seat, the second sliding seat and the driven roller to tension the conveying belt.

In the utility model, the driven drum is a direction-changing drum, the driven drum comprises an intermediate shaft and a plurality of direction-changing plates fixedly connected with the intermediate shaft, the plurality of direction-changing plates are arranged around the circumference of the intermediate shaft, and a material storage groove is formed between every two adjacent direction-changing plates.

According to the utility model, a funnel-shaped material cavity is arranged in the feed hopper, the discharge port is arranged at the bottom of the material cavity, a buffer plate is fixed in the material cavity, the buffer plate is obliquely arranged, and an included angle between the buffer plate and the conveying belt is an acute angle.

In the utility model, the belt conveyor further comprises a material homogenizing assembly, the material homogenizing assembly is fixed in the material cavity and comprises a connecting shaft and a material homogenizing plate, the connecting shaft is fixedly connected to the cavity wall of the material cavity, the material homogenizing plate is fixedly connected to the connecting shaft, the material homogenizing plate is arranged above the conveying belt, and a material homogenizing gap is formed between the material homogenizing plate and the conveying belt.

In the present invention, the conveying mechanism further includes a plurality of upper idlers, a plurality of lower idlers, and a comb-shaped idler, the plurality of upper idlers, the plurality of lower idlers, and the comb-shaped idler are rotatably connected to the frame, and the plurality of upper idlers, the plurality of lower idlers, and the comb-shaped idler are used to support the conveying belt.

In the utility model, the belt conveyor further comprises a material guide mechanism, the material guide mechanism is mounted on the rack and arranged at the discharge end of the conveying mechanism, the material guide mechanism comprises a material guide plate and a material guide driver, the material guide driver is connected with the material guide plate, and the material guide driver is used for driving the material guide plate to stretch and contract so as to control the material discharge area.

In the utility model, the belt conveyor further comprises a protective cover, the protective cover is connected to the rack, the conveying belt passes through the protective cover, and the end part of the protective cover is connected with or abutted against the feed hopper.

In the utility model, the protective cover comprises a first baffle plate, a second baffle plate and a top plate, the first baffle plate and the second baffle plate are arranged in parallel, the first baffle plate is fixedly connected to one side of the rack, the second baffle plate is fixedly connected to the other side of the rack, the top plate is fixedly connected between the first baffle plate and the second baffle plate, and the top plate and the conveying belt are arranged oppositely.

According to the belt conveyor, the driving modes of the motor and the speed reducer are replaced by the variable-frequency electric roller, the rotating speed of the driving roller can be adjusted according to the characteristics of materials, and the speed of the driving roller is increased on the premise of ensuring no rolling back of the materials, so that the conveying efficiency of the conveying belt is improved.

Drawings

Fig. 1 is a schematic view of the structure of the belt conveyor of the present invention.

Fig. 2 is a schematic cross-sectional view of the belt conveyor of the present invention.

Fig. 3 is a schematic top view of the belt conveyor of the present invention.

Fig. 4 is a schematic structural view of a driven roller of the belt conveyor of the present invention.

Fig. 5 is a partial structure schematic diagram of the homogenizing device of the utility model.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.

Fig. 1 is a schematic structural diagram of a belt conveyor of the present invention, fig. 2 is a schematic structural diagram of a belt conveyor of the present invention in cross section, fig. 3 is a schematic structural diagram of a belt conveyor of the present invention in top view, as shown in fig. 1, fig. 2 and fig. 3, the belt conveyor includes a frame 11, a feed hopper 12 and a conveying mechanism, the feed hopper 12 and the conveying mechanism are mounted on the frame 11, the conveying mechanism includes a variable frequency driving assembly 13, a driving roller 14, a driven roller 15 and a conveying belt 16, the variable frequency driving assembly 13 is connected with the driving roller 14, the driving roller 14 and the driven roller 15 are rotatably connected to the frame 11, the conveying belt 16 is wound on the driving roller 14 and the driven roller 15, a discharge port of the feed hopper 12 is located above the conveying belt 16, and the variable frequency driving assembly 13 can drive the driving roller 14 to rotate according to the material characteristics in a variable frequency manner. The variable frequency driving assembly 13 can adjust the rotating speed of the driving roller 14, and the phenomenon of material jumping is reduced. In this embodiment, the belt conveyor is mainly used for conveying materials such as ore and gravel in an environment such as a mine or a construction site, but not limited thereto.

According to the belt conveyor, the driving modes of the motor and the speed reducer are replaced by the variable-frequency electric roller, the rotating speed of the driving roller 14 can be adjusted according to the characteristics of materials, and the speed of the driving roller 14 is increased on the premise of ensuring that the materials do not roll back, so that the conveying efficiency of the conveying belt 16 is improved.

Further, the variable frequency driving assembly 13 includes a variable frequency motor and a speed reducer, an output shaft of the variable frequency motor is connected with the speed reducer, and an output shaft of the speed reducer is connected with the driving roller 14. In this embodiment, the inverter motor can adjust the rotation speed of the driving roller 14 according to the characteristics of the material, so as to ensure that the material is not rolled back, and the speed of the driving roller 14 is increased, thereby increasing the conveying efficiency of the conveyor belt 16 and reducing the phenomenon of material jumping.

Furthermore, a tensioning mechanism 17 is arranged on the machine frame 11, the tensioning mechanism 17 includes a first sliding seat (not shown), a second sliding seat (not shown), and a tensioning driver (not shown), the first sliding seat and the second sliding seat are slidably connected to the machine frame 11, the driven roller 15 is connected between the first sliding seat and the second sliding seat, the tensioning driver is connected to the machine frame 11, and the tensioning driver is used for synchronously moving the tensioning conveying belt 16 by the first sliding seat, the second sliding seat and the driven roller 15. In this embodiment, when the transmission belt 16 is in a loose condition, the tension driver can drive the first sliding seat, the second sliding seat and the driven roller 15 to synchronously move the tension transmission belt 16, so as to provide the transmission belt with the tension required by normal operation.

Fig. 4 is a schematic structural diagram of the driven drum 15 of the belt conveyor of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the driven drum 15 is a direction-changing drum, the driven drum 15 includes an intermediate shaft 151 and a plurality of direction-changing plates 152 fixedly connected to the intermediate shaft 151, the plurality of direction-changing plates 152 are arranged around the circumference of the intermediate shaft 151, and a storage trough 101 is formed between two adjacent direction-changing plates 152. In the present embodiment, the intermediate shaft 151 has a column structure with a large middle and two small ends, and the shape of the redirection plate 152 is, for example, a rectangle, a polygon, an irregular shape, or the like; when materials are clamped between the conveying belt 16 and the driven roller 15, the materials fall into the material storage groove 101, along with the rotation of the driven roller 15, the materials are discharged from the material storage groove 101 along the direction change plate 152, and the phenomena that the conveying belt 16 is abraded or damaged by the materials and the like are avoided.

As shown in fig. 1, 2 and 3, a funnel-shaped material cavity 102 is arranged in the feed hopper 12, a discharge port (not shown) is arranged at the bottom of the material cavity 102, a buffer plate 121 is fixed in the material cavity 102, the buffer plate 121 is obliquely arranged, and an included angle between the buffer plate 121 and the conveyor belt 16 is an acute angle. In this embodiment, the discharge gate sets up with conveyer 16 from top to bottom relatively, because directly has huge impact force when placing the material on conveyer 16, therefore buffer board 121 not only can reduce the impact force of material to conveyer 16, still has long-pending wear-resisting effect of material, in addition because buffer board 121 is the slope setting, the material can be passed through the feed inlet through its self action of gravity and remove to conveyer 16 on and convey.

Fig. 5 is a schematic view of a partial structure of the material homogenizing device of the present invention, and as shown in fig. 2, fig. 3 and fig. 5, the belt conveyor further includes a material homogenizing assembly 18, the material homogenizing assembly 18 is fixed in the material cavity 102, the material homogenizing assembly 18 includes a connecting shaft 181 and a material homogenizing plate 182, the connecting shaft 181 is fixedly connected to the cavity wall of the material cavity 102, the material homogenizing plate 182 is fixedly connected to the connecting shaft 181, the material homogenizing plate 182 is disposed above the conveyor belt 16, and a material homogenizing gap (not shown) is formed between the material homogenizing plate 182 and the conveyor belt 16. The leveling plate 182 uses its gravity to level the material accumulated on the conveyor belt 16 as it passes through the leveling assembly 18.

As shown in fig. 2, the conveying mechanism further includes a plurality of upper idlers 21, a plurality of lower idlers 22, and comb idlers, the plurality of upper idlers 21, the plurality of lower idlers 22, and the comb idlers being rotatably attached to the frame 11, the plurality of upper idlers 21, the plurality of lower idlers 22, and the comb idlers being used to support the conveying belt 16. In this embodiment, the upper carrier roller 21, the lower carrier roller 22 and the comb-shaped carrier roller are all connected to the frame 11 through bolts, the frame is provided with a plurality of upper bases and a plurality of lower bases, the upper bases and the lower bases are oppositely arranged, the upper bases and the lower bases are respectively and fixedly connected to the frame, the upper carrier roller 21 is installed on the upper bases, and the lower carrier roller 22 is installed on the lower bases.

As shown in fig. 1, 2 and 3, the belt conveyor further includes a material guiding mechanism 23, the material guiding mechanism 23 is installed on the frame 11, the material guiding mechanism 23 is disposed at the material discharging end 19 of the conveying mechanism, the material guiding mechanism 23 includes a material guiding plate (not shown) and a material guiding driver (not shown), the material guiding driver is connected to the material guiding plate, and the material guiding driver is used for driving the material guiding plate to stretch and contract so as to control a material discharging area of the material. In this embodiment, the both sides of stock guide are equipped with the curb plate respectively, make the material can concentrate the unloading, avoid the material to appear the phenomenon of scattering everywhere.

Further, the belt conveyor also includes a protective cover 24, the protective cover 24 is connected to the frame 11, the conveyor belt 16 passes through the protective cover 24, and the end of the protective cover 24 is connected to or abuts against the feed hopper 12. The safety cover 24 is used for preventing the materials from jumping out of the belt, so that the materials are prevented from falling, the safety time caused by falling is shortened, and dust is reduced.

Further, the protective cover 24 includes a first blocking plate 241, a second blocking plate 242, and a top plate 243, the first blocking plate 241 is disposed in parallel with the second blocking plate 242, the first blocking plate 241 is fixedly connected to one side of the frame 11, the second blocking plate 242 is fixedly connected to the other side of the frame 11, the top plate 243 is fixedly connected between the first blocking plate 241 and the second blocking plate 242, and the top plate 243 is disposed opposite to the conveyor belt 16. In the present embodiment, the first baffle 241 and the second baffle 242 are fixedly connected to the frame 11 by bolts or screws, the first baffle 241 has a rectangular shape or an arc shape, for example, the second baffle 242 has a rectangular shape or an arc shape, for example, the top plate 243 has a rectangular shape or an arc shape, for example, but not limited thereto.

Further, the belt conveyor further comprises a first sweeper (not shown) and a second sweeper (not shown), the first sweeper is fixedly connected to the bottom of the frame 11, the first sweeper is arranged at the discharge end 19, the second sweeper is fixedly connected to the bottom of the frame 11, the second sweeper is located between the feed hopper 12 and the discharge end 19, and the first sweeper and the second sweeper are used for cleaning residual materials adhered to the belt.

The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

Claims

1. A belt conveyor is characterized by comprising a frame (11), a feed hopper (12) and a conveying mechanism, the feed hopper (12) and the conveying mechanism are arranged on the frame (11), the transmission mechanism comprises a variable frequency driving component (13), a driving roller (14), a driven roller (15) and a transmission belt (16), the variable-frequency driving component (13) is connected with the driving roller (14), the driving roller (14) and the driven roller (15) are rotatably connected with the frame (11), the conveyor belt (16) being wound around the driving drum (14) and the driven drum (15), the discharge hole of the feed hopper (12) is positioned above the conveying belt (16), the variable-frequency driving component (13) can drive the driving roller (14) to rotate in a variable-frequency mode according to the material characteristics.

2. The belt conveyor according to claim 1, characterized in that the variable frequency drive assembly (13) comprises a variable frequency motor and a reducer, an output shaft of the variable frequency motor being connected to the reducer, an output shaft of the reducer being connected to the driving roller (14).

3. Belt conveyor according to claim 1, characterized in that the frame (11) is provided with a tensioning mechanism (17), the tensioning mechanism (17) comprising a first sliding seat, a second sliding seat and a tensioning drive, the first sliding seat and the second sliding seat being slidably connected to the frame (11), the driven roller (15) being connected between the first sliding seat and the second sliding seat, the tensioning drive being connected to the frame (11), the tensioning drive being adapted for synchronous movement of the first sliding seat, the second sliding seat and the driven roller (15) for tensioning the conveyor belt (16).

4. The belt conveyor of claim 3, wherein the driven drum (15) is a direction-changing drum, the driven drum (15) comprises an intermediate shaft (151) and a plurality of direction-changing plates (152) fixedly connected with the intermediate shaft (151), the plurality of direction-changing plates (152) are arranged around the circumference of the intermediate shaft (151), and a storage groove (101) is formed between two adjacent direction-changing plates (152).

5. The belt conveyor according to claim 1, wherein a funnel-shaped material cavity (102) is arranged in the feed hopper (12), the discharge port is arranged at the bottom of the material cavity (102), a buffer plate (121) is fixed in the material cavity (102), the buffer plate (121) is arranged in an inclined manner, and an included angle between the buffer plate (121) and the conveyor belt (16) is an acute angle.

6. The belt conveyor according to claim 5, further comprising a material homogenizing assembly (18), wherein the material homogenizing assembly (18) is fixed in the material cavity (102), the material homogenizing assembly (18) comprises a connecting shaft (181) and a material homogenizing plate (182), the connecting shaft (181) is fixedly connected to the cavity wall of the material cavity (102), the material homogenizing plate (182) is fixedly connected to the connecting shaft (181), the material homogenizing plate (182) is arranged above the conveying belt (16), and a material homogenizing gap is formed between the material homogenizing plate (182) and the conveying belt (16).

7. The belt conveyor according to claim 1, wherein said transfer mechanism further comprises a plurality of upper idlers (21), a plurality of lower idlers (22), and a comb idler, the plurality of upper idlers (21), the plurality of lower idlers (22), and the comb idler being rotatably attached to said frame (11), the plurality of upper idlers (21), the plurality of lower idlers (22), and the comb idler being for supporting said transfer belt (16).

8. The belt conveyor according to claim 1, further comprising a material guiding mechanism (23), wherein the material guiding mechanism (23) is mounted on the frame (11), the material guiding mechanism (23) is disposed at the discharging end (19) of the conveying mechanism, the material guiding mechanism (23) comprises a material guiding plate and a material guiding driver, the material guiding driver is connected to the material guiding plate, and the material guiding driver is configured to drive the material guiding plate to extend and retract so as to control a discharging area of the material.

9. Belt conveyor according to claim 1, characterized in that the belt conveyor further comprises a protective cover (24), the protective cover (24) being connected to the machine frame (11), the conveyor belt (16) passing through the protective cover (24), the end of the protective cover (24) being connected to or abutting against the feed hopper (12).

10. The belt conveyor of claim 9, wherein the protective cover (24) comprises a first baffle (241), a second baffle (242), and a top plate (243), the first baffle (241) and the second baffle (242) are arranged in parallel, the first baffle (241) is fixedly connected to one side of the frame (11), the second baffle (242) is fixedly connected to the other side of the frame (11), the top plate (243) is fixedly connected between the first baffle (241) and the second baffle (242), and the top plate (243) is arranged opposite to the conveyor belt (16).