CN216004053U

CN216004053U - Conveying rubber belt conveyor totally enclosed baffle box convenient to maintain

Info

Publication number: CN216004053U
Application number: CN202120854667.3U
Authority: CN
Inventors: 占佩; 金从兵
Original assignee: Hubei Kairui Zhixing Intelligent Equipment Co ltd
Current assignee: Hubei Kairui Zhixing Intelligent Equipment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-03-11
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a full-sealed guide chute of a conveyor belt, which is convenient to maintain, is arranged on a belt rack and comprises a carrier roller assembly, a conveyor belt, a side plate assembly, a top cover and an anti-overflow assembly, wherein the carrier roller assembly is arranged on the belt rack; the anti-overflow assembly is arranged on the inner side of the side plate assembly and is in sliding fit with the upper surface of the conveying adhesive tape; and a transparent observation window is arranged on the side plate assembly. The utility model has good sealing performance and can prevent the air pollution caused by the dissipation of dust; the operator can check the material condition and the equipment condition at any time through the observation window, and the later maintenance of the equipment is facilitated.

Description

Conveying rubber belt conveyor totally enclosed baffle box convenient to maintain

Technical Field

The utility model relates to the technical field of conveying and transferring of bulk solid materials by using a conveying rubber belt, in particular to a fully-sealed guide chute of a conveying rubber belt conveyor convenient to maintain.

Background

The conveying belt type conveyor is a common belt conveyor in a transfer system of a power plant, a port, a mine and the like, sealing equipment is often arranged at a discharging point of a conveying belt in order to prevent dust generated by materials in a conveying process from overflowing in a transfer station, and a fully-sealed guide chute convenient to maintain is designed to be an important measure for preventing dust from overflowing at the discharging point of the conveying belt conveyor. The core of the dust-settling device can ensure the dust-settling function of the fully-sealed guide chute and can facilitate the later-stage disassembly and maintenance of the fully-sealed guide chute. And present most totally enclosed baffle boxes all design into individual layer overall structure, have sealed effect not good, and a series of problems such as later stage unable dismantlement maintenance, consequently, design the totally enclosed baffle box of conveying rubber belt conveyor convenient to maintain becomes the key of solving this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides a fully-sealed guide chute of a conveyor belt conveyor, which is convenient to maintain, so as to solve the problem that the traditional conveyor belt conveyor is dust-overflowing or inconvenient to maintain later.

The technical scheme for solving the technical problems is as follows:

a full-sealed guide chute of a conveyor belt convenient to maintain is arranged on a belt rack and comprises a carrier roller assembly, a conveyor belt, side plate assemblies, a top cover and an anti-overflow assembly, wherein the carrier roller assembly is arranged on the belt rack, the conveyor belt is in sliding fit with the upper surface of the carrier roller assembly, the side plate assemblies are symmetrically arranged on two sides of the conveyor belt, the top cover is arranged at the top ends of the side plate assemblies, and the top cover, the side plate assemblies and the belt rack are connected to form a closed channel; the anti-overflow assembly is arranged on the inner side of the side plate assembly and is in sliding fit with the upper surface of the conveying adhesive tape; and a transparent observation window is arranged on the side plate assembly.

The utility model has the beneficial effects that: the bearing roller subassembly provides the roll support for the conveying sticky tape, and when the material transported on the conveying sticky tape, the anti-overflow subassembly provided the first layer protection for the material, prevents that it from falling out the conveying sticky tape, and the curb plate subassembly prevents for the material provides the second floor protection, prevents that the material from falling out the baffle box. An airtight feeding channel is formed among the top cover, the side plate assembly and the adhesive tape rack, so that dust in the material is prevented from being dissipated into the air to cause air pollution. Transparent observation window on the curb plate subassembly does benefit to the operator and looks over the material transportation condition at any time, also does benefit to the operator and looks over the equipment condition in the baffle box in order to carry out equipment maintenance.

On the basis of the technical scheme, the utility model can be further improved as follows.

Preferably, the anti-overflow assembly comprises a clamping piece and an anti-overflow skirt board which are connected with each other, the clamping piece is fixedly installed on the inner wall of the side plate assembly, the anti-overflow skirt board is arranged along the movement direction of the conveying adhesive tape, and the bottom edge of the anti-overflow skirt board is in sliding fit with the upper surface of the conveying adhesive tape.

The beneficial effect of adopting the above preferred scheme is: the clamping piece firmly installs anti-overflow skirtboard on the curb plate subassembly, forms sealedly between the bottom plate of anti-overflow skirtboard and the upper surface of conveying sticky tape, protects for the material, prevents that the material from dropping to the conveying sticky tape in the transportation outside.

Preferably, the side plate assembly comprises a rigid support plate, an observation window is formed in the rigid support plate, and a transparent cover plate is detachably mounted on the observation window.

The beneficial effect of adopting the above preferred scheme is: the rigid support plate is used as a rigid support piece of the side plate assembly, provides a foundation for mounting other internal parts for the guide chute and provides a sealed feeding environment for the guide chute. The apron does not influence the feeding condition and the equipment condition that the operator looked over the baffle box inside through the observation window when providing sealed for the observation window.

Preferably, the cover plate is made of glass fiber reinforced plastic.

The beneficial effect of adopting the above preferred scheme is: the cover plate made of glass fiber reinforced plastic has excellent rigidity and transparency, and can be used as a preferable observation window.

Preferably, the carrier roller assembly comprises a carrier roller frame, and a common carrier roller and side carrier rollers which are respectively installed on the carrier roller frame, wherein the common carrier roller is horizontally arranged, the side carrier rollers are respectively arranged on two sides of the common carrier roller, and the bottom ends of the side carrier rollers incline towards the common carrier roller.

The beneficial effect of adopting the above preferred scheme is: during the material transportation process, the conveying rubber belt loads materials and slides on the carrier roller assembly. The bearing roller subassembly provides the support for conveying sticky tape and material. The common carrier roller and the side carrier rollers at the two ends lift the conveying rubber belt into a shape that the two sides are slightly sunken towards the middle, so that materials are kept gathering at the middle position of the conveying rubber belt in the material conveying process, and the materials are prevented from falling out of the range of the conveying rubber belt to cause material loss.

Preferably, the carrier roller frame is further provided with a sliding plate assembly, the sliding plate assembly is detachably connected with the carrier roller frame through a sliding plate bracket, the sliding plate assembly is arranged close to one end, deviating from the common carrier roller, of the side carrier roller, and the sliding plate assembly is arranged in parallel with the adjacent side carrier roller.

The beneficial effect of adopting the above preferred scheme is: the slide subassembly provides the support for the both sides border of conveying sticky tape, and conveying sticky tape is at the transported substance material in-process, and the middle section of conveying sticky tape slides on bearing roller assembly, and the border of conveying sticky tape slides on the slide subassembly.

Preferably, the sliding plate assembly comprises a steel base and a sliding plate mounted on the steel base through bolts, and the sliding plate is preferably made of ultra-high molecular weight polyethylene. The steel base is installed on the sliding plate bracket through bolts, and the upper surface of the sliding plate is matched with the lower surface of the conveying rubber belt.

The beneficial effect of adopting the above preferred scheme is: the ultra-high molecular polyethylene sliding plate is fixed with a steel base by adopting an inner hexagonal countersunk head bolt. The ultra-high molecular weight polyethylene sliding plate has the characteristics of high wear resistance, small friction resistance and the like, can effectively avoid scratching the adhesive tape, and prolongs the service life.

Preferably, the upper part of the guide chute is further provided with a dust fall assembly, and the dust fall assembly is bridged at the upper ends of the side plate assemblies on the two sides through a supporting frame.

The beneficial effect of adopting the above preferred scheme is: dust fall subassembly has reduced the air dust in the material transportation, has reduced the dust of baffle box discharge gate, has reduced the air pollution degree.

Preferably, the dust fall subassembly includes a plurality of dust bars, the upper end and the support frame fixed connection of dust bar, the lower extreme of dust bar hangs naturally.

The beneficial effect of adopting the above preferred scheme is: the dust blocking strips are arranged on the upper portion of the guide chute, material dust during emptying and material transportation is effectively blocked, dust is blocked by the dust blocking strips and then falls down along the dust blocking strips to be transported away, firstly, the dust amount of a discharge port of the guide chute is reduced, the environment is protected, secondly, the material in a dust state is collected, and material loss in material transportation is reduced.

Preferably, an anti-deviation device is further fixedly arranged in the side plate assembly and is close to the edge of the conveying rubber belt.

The beneficial effect of adopting the above preferred scheme is: the deviation preventing device provides effective limiting for the conveying rubber belt, and prevents the conveying rubber belt from deviating to cause abnormal material transportation.

Preferably, the deviation preventing device is a conical roller arranged side by side, one end of an inner shaft of the conical roller is fixedly installed on the inner wall of the side plate assembly, and a rolling skin of the conical roller is matched with the edge of the conveying rubber belt; the periphery of the roller skin of the conical roller is provided with a conical ring groove, and the conical surface of the conical ring groove is matched with the edge of the conveying adhesive tape.

The beneficial effect of adopting the above preferred scheme is: the tapered rollers are arranged on two sides of the conveying rubber belt side by side, when the conveying rubber belt deviates in the operation process of the equipment, the edge of the conveying rubber belt is embedded into the tapered ring groove of the tapered rollers and is attached to the conical surface of the tapered ring groove, and the conveying rubber belt drives the tapered rollers to rotate to limit the conveying rubber belt. Because the contact surface of the conveying rubber belt and the conical roller is in rolling friction, the abrasion degree of the edge of the conveying rubber belt is reduced, and the service life of equipment is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of a fully-sealed material guide chute of a belt conveyor convenient for maintenance according to the utility model;

FIG. 2 is a partial schematic view of the side panel assembly of the present invention;

FIG. 3 is an exploded view of the idler assembly of the present invention;

figure 4 is a schematic view of the slide assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a supporting upright post, 2, a side plate assembly, 3, a top cover, 4, a carrier roller assembly, 5, a sliding plate assembly, 6, an anti-deviation device, 7, an anti-overflow assembly, 8, a dust fall assembly, 9, a rubber belt rack, 10 and a conveying rubber belt; 2a, a rigid support plate, 2b, a cover plate; 4a, a common carrier roller, 4b, a side carrier roller, 4c, a carrier roller frame, 4d and a sliding plate bracket; 5a, a steel base, 5b and a sliding plate.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, the present embodiment provides a fully-sealed material guide chute of a conveyor belt conveyor, which is convenient for maintenance, and is arranged on a belt rack 9, and comprises an idler assembly 4, a conveyor belt 10, a side plate assembly 2, a top cover 3 and an anti-overflow assembly 7. The carrier roller subassembly 4 is installed on the sticky tape frame 9, conveying sticky tape 10 with the upper surface sliding fit of carrier roller subassembly 4, the curb plate subassembly 2 symmetry sets up the both sides of conveying sticky tape 10, top cap 3 sets up 2 tops of curb plate subassembly, top cap 3 preferred use steel lid, top cap 3, curb plate subassembly 2 are connected with sticky tape frame 9 and are formed inclosed passageway. The outside of curb plate subassembly 2 still is fixed and is provided with support post 1, support post 1's bottom and sticky tape frame 9 fixed connection, curb plate subassembly 2's the outside and support post 1 fixed connection for further fixed to curb plate subassembly 2. The spill-proof assembly 7 is arranged on the inner side of the side plate assembly 2 and is in sliding fit with the upper surface of the conveying adhesive tape 10; and a transparent observation window is arranged on the side plate component 2. A complete material conveying channel consists of a plurality of sections of guide chutes, the main body part of each section of guide chute, such as the side plate assembly 2 and the top plate, is in sealing connection through flanges, and the flanges are sealed by soft rubber pads, so that a better sealing effect is achieved.

The carrier roller assembly 4 provides rolling support for the conveying adhesive tape 10, when the material is transported on the conveying adhesive tape 10, the anti-overflow assembly 7 provides a first layer protection for the material, prevents the material from falling out of the conveying adhesive tape 10, and the side plate assembly 2 provides a second layer protection for the material, prevents the material from falling out of the guide chute. An airtight feeding channel is formed among the top cover 3, the side plate assembly 2 and the adhesive tape rack 9, so that dust in materials is prevented from being dissipated into the air to cause air pollution. Transparent observation window on the curb plate subassembly 2 does benefit to the operator and looks over the material transportation condition at any time, also does benefit to the operator and looks over the equipment condition in the baffle box in order to carry out equipment maintenance.

On the basis of the above technical solution, the present embodiment can be further improved as follows.

In this embodiment, the spill-proof assembly 7 comprises a clamping piece and a spill-proof skirt board which are connected with each other, the clamping piece is fixedly installed on the inner wall of the side plate assembly 2, the spill-proof skirt board is arranged along the movement direction of the conveying adhesive tape 10, and the bottom edge of the spill-proof skirt board is in sliding fit with the upper surface of the conveying adhesive tape 10.

The clamping piece firmly installs the anti-overflow skirtboard on curb plate subassembly 2, forms sealedly between the bottom plate of anti-overflow skirtboard and the upper surface of conveying sticky tape 10, protects for the material, prevents that the material from dropping outside conveying sticky tape 10 in the transportation.

In the present embodiment, as shown in fig. 2, the side plate assembly 2 includes a rigid support plate 2a, and a steel plate is preferably used for the rigid support plate 2 a. An observation window is formed in the rigid support plate 2a, and a transparent cover plate 2b is detachably mounted on the observation window through a butterfly bolt.

The rigid support plate 2a is used as a rigid support member of the side plate assembly 2, provides a foundation for installing other internal parts for the material guide chute, and provides a sealed feeding environment for the material guide chute. The cover plate 2b provides sealing for the observation window, and meanwhile, the feeding condition and the equipment condition of the interior of the guide chute checked by an operator through the observation window are not influenced. The cover plate 2b is connected with the rigid support plate 2a through butterfly bolts, so that the observation window can be conveniently detached in the later period to maintain the internal parts of the material guide chute, for example, the anti-overflow assembly 7.

In this embodiment, the cover plate 2b is made of glass fiber reinforced plastic.

The glass fiber reinforced plastic cover plate 2b has excellent rigidity and transparency, and is preferable as an observation window.

In this embodiment, as shown in fig. 3, the idler assembly 4 includes an idler frame 4c, and a common idler 4a and a side idler 4b that are respectively mounted on the idler frame 4c, the common idler 4a is horizontally disposed, the side idlers 4b are disposed on two sides of the common idler 4a, and bottom ends of the side idlers 4b are inclined toward the common idler 4 a.

During material transport, the conveyor belt 10 loads the material, sliding on the idler assemblies 4. The idler assembly 4 provides support for the transfer tape 10 and material. The common carrier roller 4a and the side carrier rollers 4b at the two ends lift the conveying rubber belt 10 into a shape that the two sides are slightly sunken towards the middle, so that materials are kept gathered in the middle of the conveying rubber belt 10 in the material conveying process, and the materials are prevented from falling out of the range of the conveying rubber belt 10 to cause material loss.

In this embodiment, as shown in fig. 1 and 3, a sliding plate assembly 5 is further disposed on the roller frame 4c, the sliding plate assembly 5 is detachably connected to the roller frame 4c through a sliding plate bracket 4d, the sliding plate assembly 5 is disposed adjacent to an end of the side roller 4b, which is away from the common roller 4a, and the sliding plate assembly 5 is disposed in parallel with the adjacent side roller 4 b. Specifically, the sliding plate bracket 4d is connected with the roller frame 4c through a bolt, and the sliding plate assembly 5 is fixedly installed on the sliding plate bracket 4d through a bolt.

The sliding plate assembly 5 provides support for two side edges of the conveying rubber belt 10, the middle section of the conveying rubber belt 10 slides on the supporting roller assembly 4, and the edges of the conveying rubber belt 10 slide on the sliding plate assembly 5 in the material conveying process of the conveying rubber belt 10. Slide bracket 4d designs into movable bolted connection structure, is favorable to the later stage to change slide subassembly 5 and can need not to dismantle baffle box main part equipment (for example bearing roller frame 4c and totally enclosed baffle box main part), improves the dismouting convenience greatly.

In the present embodiment, as shown in fig. 4, the sliding plate assembly 5 includes a steel base 5a and a sliding plate 5b mounted on the steel base 5a by bolts, and the sliding plate 5b is preferably made of an ultra-high molecular weight polyethylene material. The steel base 5a is mounted on the slide plate bracket 4d by bolts, and the upper surface of the slide plate 5b is fitted to the lower surface of the conveyor belt 10.

The ultra-high molecular weight polyethylene sliding plate 5b is fixed with the steel base 5a by adopting an inner hexagonal countersunk head bolt. The ultra-high molecular weight polyethylene sliding plate 5b has the characteristics of high wear resistance, small friction resistance and the like, can effectively avoid scratching the adhesive tape, and prolongs the service life.

In this embodiment, as shown in fig. 1, a dust fall assembly 8 is further disposed at the upper portion of the material guide chute, support angle steels are disposed at the inner sides of the side plate assemblies 2, and the dust fall assembly 8 is bridged over the support angle steels at the upper ends of the side plate assemblies 2 at two sides by a support frame.

Dust fall subassembly 8 has reduced the air dust in the material transportation, has reduced the dust of baffle box discharge gate, has reduced the air pollution degree.

In this embodiment, dust fall subassembly 8 includes a plurality of dust bars, the upper end and the support frame fixed connection of dust bar, the lower extreme of dust bar hangs naturally. The dust blocking strip can be made of rubber, has flexibility and good dust adsorption capacity, is convenient to install and has a good dust falling effect.

The dust blocking strips are arranged on the upper portion of the guide chute, material dust during emptying and material transportation is effectively blocked, dust is blocked by the dust blocking strips and then falls down along the dust blocking strips to be transported away, firstly, the dust amount of a discharge port of the guide chute is reduced, the environment is protected, secondly, the material in a dust state is collected, and material loss in material transportation is reduced.

In this embodiment, as shown in fig. 1, a deviation preventing device 6 is further fixedly arranged in the side plate assembly 2, and the deviation preventing device 6 is arranged close to the edge of the conveying belt 10.

The deviation preventing device 6 provides effective limiting for the conveying rubber belt 10, and prevents the conveying rubber belt 10 from deviating, so that the conveying rubber belt 10 is scratched and abnormal material transportation is caused.

In this embodiment, the deviation preventing device 6 is a tapered roller arranged side by side, one end of an inner shaft of the tapered roller is fixedly mounted on the inner wall of the side plate assembly 2, and a rolling skin of the tapered roller is matched with the edge of the conveying rubber belt 10; the periphery of the roller skin of the conical roller is provided with a conical ring groove, and the conical surface of the conical ring groove is matched with the edge of the conveying rubber belt 10.

The conical rollers are arranged on two sides of the conveying rubber belt 10 side by side, when the conveying rubber belt 10 deviates in the operation process of the equipment, the edge of the conveying rubber belt 10 is embedded into the conical ring groove of the conical roller and is attached to the conical surface of the conical ring groove, and the conveying rubber belt 10 drives the conical roller to rotate to limit the conveying rubber belt 10. Because the contact surface of the conveying rubber belt 10 and the conical roller is in rolling friction, the abrasion degree of the edge of the conveying rubber belt 10 is reduced, and the service life of the equipment is prolonged.

The working principle is as follows:

during material transportation, a material is placed on the conveying rubber belt 10, the carrier roller assembly 4 provides support for the middle section of the conveying rubber belt 10, and the sliding plate assembly 5 provides support for the edge of the conveying rubber belt 10. The anti-overflow subassembly 7 is spacing with the material on the conveying sticky tape 10, for the material provides the first layer protection, makes the material remain throughout to be located the middle section position of conveying sticky tape 10. The side plate assembly 2 provides a second layer of protection for the materials and prevents the materials from falling out of the guide chute. An airtight feeding channel is formed among the top cover 3, the side plate assembly 2 and the adhesive tape rack 9, so that dust in materials is prevented from being dissipated into the air to cause air pollution. Transparent observation window on the curb plate subassembly 2 does benefit to the operator and looks over the material transportation condition at any time, also does benefit to the operator and looks over the equipment condition in the baffle box in order to carry out equipment maintenance. The cover plate 2b on the observation window can be detached, so that the maintenance of the internal parts of the material guide chute is facilitated. The common carrier roller 4a and the side carrier roller 4b are matched with each other, so that materials are gathered to the conveying belt 10 component. The material dust when the dust blocking strip will be put the blowing and during material transportation effectively blocks, and the dust is blockked the back by the dust blocking strip and is fallen in the material along the gliding of dust blocking strip and is transported away, has firstly reduced the dust volume of baffle box discharge gate, has protected the environment, secondly collects the material of dust state, has reduced the material loss in the material transportation. When the direction of the conveying rubber belt 10 deviates, the conical roller rotates along the edge of the conveying rubber belt 10 to limit the conveying rubber belt 10.

The baffle box of this embodiment is seal structure, has effectively prevented the pollution that the pay-off in-process dust loss caused the environment, and the pay-off condition and the equipment condition are observed at any time to the accessible observation window, and convenient to detach does benefit to the operator and looks over the equipment condition in the baffle box in order to carry out equipment maintenance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A full-sealed guide chute of a conveyor belt convenient to maintain is arranged on a belt rack (9) and is characterized by comprising a carrier roller assembly (4), a conveyor belt (10), side plate assemblies (2), a top cover (3) and an anti-overflow assembly (7), wherein the carrier roller assembly (4) is installed on the belt rack (9), the conveyor belt (10) is in sliding fit with the upper surface of the carrier roller assembly (4), the side plate assemblies (2) are symmetrically arranged on two sides of the conveyor belt (10), the top cover (3) is arranged at the top end of the side plate assembly (2), and the top cover (3), the side plate assemblies (2) and the belt rack (9) are connected to form a closed channel; the spill-proof assembly (7) is arranged on the inner side of the side plate assembly (2) and is in sliding fit with the upper surface of the conveying adhesive tape (10); a transparent observation window is arranged on the side plate component (2); still fixedly in the curb plate subassembly (2) be equipped with prevent off tracking device (6), prevent off tracking device (6) and be close to the border setting of conveying sticky tape (10).

2. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain as claimed in claim 1, characterized in that the spill-proof assembly (7) comprises a clamping piece and a spill-proof skirt board which are connected with each other, the clamping piece is fixedly arranged on the inner wall of the side plate assembly (2), the spill-proof skirt board is arranged along the movement direction of the conveyor belt (10), and the bottom edge of the spill-proof skirt board is in sliding fit with the upper surface of the conveyor belt (10).

3. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain as claimed in claim 1, wherein the side plate assembly (2) comprises a rigid support plate (2 a), the rigid support plate (2 a) is provided with a viewing window, and a transparent cover plate (2 b) is detachably mounted on the viewing window.

4. The conveyor belt conveyor fully-sealed material guiding chute convenient to maintain as claimed in claim 3, wherein the cover plate (2 b) is made of glass fiber reinforced plastic.

5. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain is characterized in that the carrier roller assembly (4) comprises a carrier roller frame (4 c), and a common carrier roller (4 a) and a side carrier roller (4 b) which are respectively installed on the carrier roller frame (4 c), wherein the common carrier roller (4 a) is horizontally arranged, the side carrier roller (4 b) is arranged on each of two sides of the common carrier roller (4 a), and the bottom end of each side carrier roller (4 b) inclines towards the common carrier roller (4 a).

6. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain is characterized in that a sliding plate assembly (5) is further arranged on the roller frame (4 c), the sliding plate assembly (5) is detachably connected with the roller frame (4 c) through a sliding plate bracket (4 d), the sliding plate assembly (5) is arranged close to one end, away from a common roller (4 a), of the side roller (4 b), and the sliding plate assembly (5) is arranged in parallel with the adjacent side roller (4 b).

7. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain as claimed in claim 1, wherein a dust fall assembly (8) is further arranged at the upper part of the material guide chute, and the dust fall assembly (8) is bridged at the upper ends of the two side plate assemblies (2) through a support frame.

8. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain as claimed in claim 7, wherein the dust fall assembly (8) comprises a plurality of dust blocking strips, the upper ends of the dust blocking strips are fixedly connected with the supporting frame, and the lower ends of the dust blocking strips are naturally suspended.

9. The conveyor belt conveyor fully-sealed material guide chute convenient to maintain as claimed in claim 1, wherein the deviation preventing device (6) is a conical roller arranged side by side, one end of an inner shaft of the conical roller is fixedly arranged on the inner wall of the side plate assembly (2), and a rolling skin of the conical roller is matched with the edge of the conveyor belt (10); the periphery of the roller skin of the conical roller is provided with a conical ring groove, and the conical surface of the conical ring groove is matched with the edge of the conveying rubber belt (10).