CN215120446U

CN215120446U - Conveyor belt energy recovery device

Info

Publication number: CN215120446U
Application number: CN202120454050.2U
Authority: CN
Inventors: 赵守国
Original assignee: Baotou Guoan Science & Technology Co ltd
Current assignee: Baotou Guoan Engineering Machinery Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-12-10
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a belt conveyor technical field, concretely relates to conveyer belt energy recuperation equipment includes the roller, the back shaft, first seal receptacle, second seal receptacle and electricity generation subassembly, the cavity that has the axial that link up along the roller in the roller, the cavity has relative first end and second end in the axial of roller, the back shaft passes the cavity in order to support the roller along the axial of roller, the roller is rotatable for the back shaft, first seal receptacle and second seal receptacle overlap respectively and establish on the back shaft, first seal receptacle is used for the first end of sealed cavity, the second seal receptacle is used for the second end of sealed cavity, electricity generation subassembly is established in the cavity, electricity generation subassembly includes the permanent magnetism ring, stator core and the stator coil of winding on the stator core, the stator core cover is established on the back shaft, the permanent magnetism ring encircles the stator coil periphery and rotatable along with the roller. The utility model discloses conveyer belt energy recuperation equipment, the energy recuperation that can realize the conveyer belt still can reach the effect of flame proof, improve the security of equipment operation.

Description

Conveyor belt energy recovery device

Technical Field

The utility model relates to a belt conveyor technical field, concretely relates to conveyer belt energy recuperation equipment.

Background

The conveyor belt conveyor is widely applied to industries such as coal, mines, ports, metallurgy, manufacturing and the like. The speed regulation of the process of conveying materials by the conveying belt is indispensable, the traditional mechanism speed reduction mode is a mechanical or hydraulic pressurization braking mode, kinetic energy is converted into heat energy through a braking mechanism and is consumed, and meanwhile, the friction surface of the mechanism correspondingly has certain material loss.

In the related art, a mineral aggregate conveyor belt gravitational potential energy feedback power generation device is provided, energy recovery and current conversion of a conveyor belt are realized by arranging a power generation roller and an inverter, however, the inventor of the application finds that the related art cannot achieve the explosion-proof effect, and therefore cannot be used in dangerous places with explosive gases.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a conveyer belt energy recuperation equipment, the energy recuperation that can realize the conveyer belt still can reach the effect of flame proof, improve equipment operation's security.

According to the utility model discloses conveyer belt energy recuperation equipment includes: the roller is internally provided with a chamber which penetrates along the axial direction of the roller, and the chamber is provided with a first end and a second end which are opposite in the axial direction of the roller; a support shaft passing through the chamber in an axial direction of the roll drum to support the roll drum, the roll drum being rotatable with respect to the support shaft; the first sealing seat and the second sealing seat are respectively sleeved on the supporting shaft, the first sealing seat is used for sealing the first end of the cavity, and the second sealing seat is used for sealing the second end of the cavity; the power generation assembly is arranged in the cavity and comprises a permanent magnet ring, a stator core and a stator coil wound on the stator core, the stator core is sleeved on the supporting shaft, and the permanent magnet ring surrounds the periphery of the stator coil and is rotatable along with the roller.

According to the utility model discloses conveyer belt energy recuperation equipment, the energy recuperation that can realize the conveyer belt still can reach the effect of flame proof, improve the security of equipment operation.

In some embodiments, the conveyor belt energy recovery device further comprises a first explosion-proof assembly, and the first explosion-proof assembly is arranged at the first end of the chamber.

In some embodiments, the first flameproof component comprises a first flameproof sleeve and an annular seat, the annular seat is arranged in the first flameproof sleeve, the first flameproof sleeve is matched with the first end of the cavity and abuts against the first end face of the roller, the outer periphery of the first flameproof sleeve is in contact with the inner periphery of the roller, the outer periphery of the annular seat is in contact with the inner periphery of the first flameproof sleeve, the annular seat is sleeved on the support shaft, and the annular seat and the stator coil are arranged at intervals in the axial direction of the support shaft.

In some embodiments, the permanent magnet ring is disposed within the first flameproof sleeve.

In some embodiments, an accommodating cavity is formed in the annular seat, a first bearing is arranged in the accommodating cavity, the first bearing is sleeved on the supporting shaft, the first explosion-proof assembly further comprises a spacer sleeve, the spacer sleeve is sleeved on the supporting shaft, a first end of the spacer sleeve abuts against an inner ring of the first bearing, and a second end of the spacer sleeve abuts against the stator core.

In some embodiments, the first flameproof component further includes a first dust ring arranged in the accommodating cavity, and the first dust ring is sleeved on the spacer and located between the first bearing and the annular seat.

In some embodiments, the conveyor belt energy recovery device further comprises a second flameproof component, and the second flameproof component is arranged at the second end of the chamber.

In some embodiments, the second explosion-proof component comprises a second explosion-proof sleeve, a shaft sleeve and a second bearing, the shaft sleeve is arranged in the second explosion-proof sleeve, the second explosion-proof sleeve is matched with the second end of the cavity and is abutted against the second end face of the roller, the periphery of the second explosion-proof sleeve is in contact with the inner periphery of the roller, the shaft sleeve is sleeved on the supporting shaft, and the second bearing is sleeved on the shaft sleeve.

In some embodiments, the second flameproof component further comprises a second dustproof ring, the second dustproof ring is sleeved on the shaft sleeve, and the second dustproof ring is arranged on one side, far away from the power generation component, of the second bearing.

In some embodiments, an inverter is included in communication with the power generation assembly, the inverter being mounted on the support shaft and spaced from the power generation assembly in an axial direction of the support shaft.

Drawings

Fig. 1 is a schematic structural diagram of a conveyor belt energy recovery apparatus according to an embodiment of the present invention.

Reference numerals:

the length of the roll 1, the chamber 101,

the support shaft 2 is provided with a plurality of support holes,

the flame-proof device comprises a first flame-proof component 3, a first flame-proof sleeve 301, a first annular flange 3011, an annular seat 302, a containing cavity 3021, a spacer 303, a first dust-proof ring 304, a first bearing 305,

a second explosion-proof component 4, a second explosion-proof sleeve 401, a shaft sleeve 402, a second bearing 403, a second dust ring 404,

a first seal seat 5, a second seal seat 6, an annular mounting portion 601,

a power generation assembly 7, a permanent magnet ring 701, a stator core 702,

the device comprises an inverter 8, a mounting frame 9, a first lip-shaped sealing ring 10 and a second lip-shaped sealing ring 11.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the energy recovery device for a conveyor belt according to the embodiment of the present invention includes a roller 1, a support shaft 2, a first seal seat 5, a second seal seat 6, and a power generation assembly 7.

The roll 1 has a chamber 101 penetrating therein in the axial direction of the roll 1 (the left-right direction as viewed in fig. 1), and the chamber 101 has a first end (the left end of the roll 1 as viewed in fig. 1) and a second end (the right end of the roll 1 as viewed in fig. 1) opposite in the axial direction of the roll 1.

A support shaft 2 passes through the chamber 101 in the axial direction of the roll 1 to support the roll 1, and the roll 1 is rotatable with respect to the support shaft 2.

Specifically, as shown in fig. 1, the supporting shaft 2 is coaxially arranged with the roller 1, the left end and the right end of the supporting shaft 2 extend out of the chamber 101, and the left end and the right end of the supporting shaft 2 are both provided with mounting holes, through which the supporting shaft 2 can be connected with an external device so as to fix the supporting shaft 2.

The first seal seat 5 and the second seal seat 6 are respectively sleeved on the support shaft 2, the first seal seat 5 is used for sealing a first end of the chamber 101 (such as the left end of the chamber 101 shown in fig. 1), and the second seal seat 6 is used for sealing a second end of the chamber 101 (such as the right end of the chamber 101 shown in fig. 1).

The power generation assembly 7 is arranged in the cavity 101, the power generation assembly 7 comprises a permanent magnet ring 701, a stator core 702 and a stator coil wound on the stator core 702, the stator core 702 is sleeved on the support shaft 2, and the permanent magnet ring 701 surrounds the periphery of the stator coil and can rotate along with the roller 1.

Specifically, as shown in fig. 1, the power generation module 7, the first seal holder 5, and the second seal holder 6 are arranged at intervals in the left-right direction, and the power generation module 7 is provided between the first seal holder 5 and the second seal holder 6. The stator core 702 is sleeved on the support shaft 2 through a mounting sleeve, the mounting sleeve is sleeved on the support shaft 2, and the stator core 702 is connected with the mounting sleeve through a key.

According to the utility model discloses conveyer belt energy recuperation equipment can realize the energy recuperation of conveyer belt through setting up electricity generation subassembly 7, and first seal receptacle 5 and second seal receptacle 6 seal up cavity 101 both ends about, improve the flame proof effect, still can reduce the influence of external environment to the electricity generation subassembly 7 that is located cavity 101, improve the security of equipment operation.

In some embodiments, the conveyor belt energy recovery apparatus further includes a first flameproof assembly 3, and the first flameproof assembly 3 is disposed at a first end of the chamber 101 (e.g., a left end of the chamber 101 shown in fig. 1).

In some embodiments, the first flameproof assembly 3 includes a first flameproof sleeve 301 and an annular seat 302, the annular seat 302 is disposed in the first flameproof sleeve 301, the first flameproof sleeve 301 is fitted to the first end of the chamber 101 and abuts against the first end surface of the roller 1, an outer periphery of the first flameproof sleeve 301 contacts with an inner periphery of the roller 1, an outer periphery of the annular seat 302 contacts with an inner periphery of the first flameproof sleeve 301, the annular seat 302 is sleeved on the support shaft 2, and the annular seat 302 and the stator coil 2 are arranged at intervals in an axial direction of the support shaft 2.

Specifically, the left end of the first flameproof sleeve 301 is provided with a first annular flange 3011, the right end face of the first annular flange 3011 abuts against the left end face of the roller 1, the annular seat 302 is arranged at the left end of the first flameproof sleeve 301, the left end of the annular seat 302 is provided with a hole circlip, the hole circlip is used for limiting the axial movement of the annular seat 302, the sealing performance of the left end of the chamber 101 is improved, and the running stability of the device is improved.

In some embodiments, the permanent magnet ring 701 is disposed within the first flameproof sleeve 301.

Specifically, as shown in fig. 1, a permanent magnet ring 701 is provided at the right end of the first flameproof sleeve 301, the inner circumferential surface of the permanent magnet ring 701 is flush with the inner circumferential surface of the first flameproof sleeve 301, the dimension of the permanent magnet ring 701 in the left-right direction is smaller than the dimension of the stator core 702 in the left-right direction, the permanent magnet ring 701 and the stator coil are arranged in opposition in the up-down direction, and the dimension of the permanent magnet ring 701 in the left-right direction is smaller than the dimension of the stator coil in the left-right direction.

In some embodiments, an accommodating cavity 3021 is formed in the annular seat 302, a first bearing 305 is formed in the accommodating cavity 3021, the first bearing 305 is sleeved on the support shaft 2, the first flameproof assembly 3 further includes a spacer 303, the spacer 303 is sleeved on the support shaft 2, a first end of the spacer 303 abuts against an inner ring of the first bearing 305, and a second end of the spacer 303 abuts against the stator core 702.

Specifically, as shown in fig. 1, the first bearing 305 and the first seal housing 5 are both disposed in the accommodating cavity 3021, the first bearing 305 is located at the right side of the first seal housing 5, and the right end of the first seal housing 5 abuts against the left end of the first bearing 305. The embodiment of the utility model provides a through setting up first seal receptacle 5, through the leakproofness that improves the cavity 101 left end to improve flame proof performance, improve equipment operation's security and stability through setting up first bearing 305, guarantee that first flame proof subassembly 3 steadily rotates on back shaft 2, improve equipment operating stability.

The left end of the spacer 303 extends into the annular seat 302, the left end of the spacer 303 abuts against the right end of the first bearing 305, and the right end of the spacer 303 is in contact with the left end of the mounting sleeve. The embodiment of the utility model provides a through setting up spacer 303, with first flame proof subassembly 3 and stator core 702 interval on the left right direction, avoid first flame proof subassembly 3 and stator core 702 to bump, improve the security and the stability of equipment operation.

It should be noted that a cavity is arranged at the left end of the first seal holder 5, an axial elastic retaining ring is arranged in the cavity, the axial elastic retaining ring is sleeved on the support shaft 2, and the axial elastic retaining ring is used for fixing the axial position of the first seal holder 5, so that the first seal holder 5 is prevented from moving in the axial direction, and the running stability of the device is improved.

A first lip-shaped sealing ring 10 is further arranged in a cavity at the left end of the first sealing seat 5, the first lip-shaped sealing ring 10 is sleeved on the supporting shaft 2, and the left end face of the first lip-shaped sealing ring 10 is flush with the left end face of the first sealing seat 5.

The embodiment of the utility model provides a seal through setting up first lip, seal the left end of first seal receptacle 5, still can improve the leakproofness to cavity 101.

In some embodiments, the first flameproof assembly 3 further includes a first dust ring 304 disposed in the accommodating cavity 3021, and the first dust ring 304 is disposed on the spacer 303 and between the first bearing 305 and the annular seat 302.

Specifically, as shown in fig. 1, the first dust ring 304 is disposed in the accommodating cavity 3021, the first dust ring 304 is disposed on the right side of the first bearing 305, the left end of the first dust ring 304 contacts with the right end face of the first bearing 305, and the left end of the first dust ring 304 abuts against the outer ring of the first bearing 305. The embodiment of the utility model provides a through setting up first dust ring 304, avoid outside dust to get into inside cavity 101, reduced external environment to the influence of electricity generation subassembly 7 and rotational speed detection subassembly, improve equipment operation's stability and security.

In some embodiments, the conveyor belt energy recovery apparatus further includes a second flameproof assembly 4, and the second flameproof assembly 4 is disposed at a second end of the chamber 101 (e.g., at a right end of the chamber 101 shown in fig. 1).

In some embodiments, the second flameproof assembly 4 includes a second flameproof sleeve 401, a shaft sleeve 402 and a second bearing 403, the shaft sleeve 402 is disposed in the second flameproof sleeve 401, the second flameproof sleeve 401 is fitted to the second end of the chamber 101 and abuts against the second end face of the roller 1, the outer periphery of the second flameproof sleeve 401 contacts with the inner periphery of the roller 1, the shaft sleeve 402 is disposed on the support shaft 2, and the second bearing 403 is disposed on the shaft sleeve 402.

It should be noted that the shaft sleeve 402 is sleeved on the support shaft 2, the shaft sleeve 402 is stationary relative to the support shaft 2, and the second flameproof sleeve 401 rotates relative to the shaft sleeve 402.

Specifically, as shown in fig. 1, the second bearing 403 is disposed on the left side of the second seal holder 6, the second bearing 403 and the second seal holder 6 are arranged at an interval in the left-right direction, the outer periphery of the second bearing 403 contacts with the inner periphery of the second flameproof sleeve 401, and the left end of the second bearing 403 is further provided with a circlip for shaft, so that the bearing is prevented from moving to the left by the circlip for shaft.

Preferably, the outer periphery of the sleeve 402 is provided with an annular groove, and the circlip for shaft at the left end of the second bearing 403 is provided in the annular groove of the sleeve 402, thereby defining the position of the circlip for shaft in the left-right direction

Specifically, as shown in fig. 1, the right end of the second flameproof sleeve 401 is provided with a second annular flange, the left end face of the second annular flange is only abutted against the right end face of the roller 1, the inside step portion of the second flameproof sleeve 401, the periphery of the second seal holder 6 is provided with an annular mounting portion 601, the left end face of the annular mounting portion 601 of the second seal holder 6 is only abutted against the step portion of the second flameproof sleeve 401, the inside of the second flameproof sleeve 401 is further provided with an annular groove, the annular groove of the second flameproof sleeve 401 is arranged on the right side of the step portion, the annular groove of the second flameproof sleeve 401 is internally provided with a hole circlip, and the left end face of the hole circlip is in contact with the right end face of the second seal holder 6.

It should be noted that a cavity is arranged at the right end of the second seal holder 6, a second lip-shaped seal ring 11 is arranged in the cavity, the second lip-shaped seal ring 11 is sleeved on the shaft sleeve 402, and the right end surface of the second lip-shaped seal ring 11 is flush with the right end surface of the second seal holder 6.

The embodiment of the utility model provides a, annular installation department 601 of second seal receptacle 6 and the inside step portion butt of second flame proof sleeve 401, the right-hand member face contact of circlip for the hole and second seal receptacle 6 can inject the ascending position of second seal receptacle 6 about, avoids second seal receptacle 6 to take place the removal of direction about, improves the leakproofness of cavity 101, reaches the effect of flame proof, still can avoid the influence of external environment to electricity generation subassembly 7 and rotational speed detection subassembly.

Through establishing at second lip seal 11, seal the right-hand member of second seal receptacle 6, still can improve the leakproofness to cavity 101, further improved the flame proof effect.

In some embodiments, the second flameproof component 4 further includes a second dust ring 404, the second dust ring 404 is sleeved on the shaft sleeve 402, and the second dust ring 404 is disposed on a side of the second bearing 403 away from the power generation component 7.

Specifically, as shown in fig. 1, the second dust ring 404 is disposed between the second bearing 403 and the second seal holder 6, a left end surface of the second dust ring 404 is in contact with a right end surface of the second bearing 403, and a right end of the second dust ring 404 is in contact with a left end surface of the second seal holder 6.

In some embodiments, an inverter 8 connected to the power generation module 7 is included, and the inverter 8 is mounted on the support shaft 2 and arranged at a distance from the power generation module 7 in the axial direction of the support shaft 2.

Specifically, as shown in fig. 1, an inverter 8 is provided on the right side of the power generation module 7, and the inverter 8 converts direct current output from the power generation module 7 into alternating current. It can be understood that the output power of the inverter 8 can be adjusted according to actual needs, and the model of the inverter 8 in the embodiment of the present invention is not particularly limited.

In some embodiments, a mounting bracket 9 is included, the mounting bracket 9 is mounted on the support shaft 2, and the inverter 8 and the hall sensor are mounted on the mounting bracket 9.

Specifically, as shown in fig. 1, the mounting bracket 9 is fitted over the support shaft 2, the inverter 8 is provided at an upper end of the mounting bracket 9, and the hall sensor is provided at a lower end of the mounting bracket 9.

The operation principle of the conveyor belt energy recovery apparatus according to the embodiment of the present invention is described below with reference to fig. 1.

Will the utility model discloses conveyer belt energy recuperation equipment is as for present or predetermined conveyer belt below, contact roller 1's outer peripheral face and the surface of conveyer belt, at conveyer belt moving in-process, the friction drives roller 1 and rotates between conveyer belt and the roller 1, roller 1 rotates and drives first flame proof sleeve 301 and second flame proof sleeve 401 and rotates, first flame proof sleeve 301 drives permanent magnetic ring 701 and rotates, permanent magnetic ring 701 cooperates and produces the electric energy at the pivoted in-process and stator coil, the electric energy passes through the plug output after the conversion of dc-to-ac converter 8.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A conveyor belt energy recovery apparatus, comprising:

the roller is internally provided with a chamber which penetrates along the axial direction of the roller, and the chamber is provided with a first end and a second end which are opposite in the axial direction of the roller;

a support shaft passing through the chamber in an axial direction of the roll drum to support the roll drum, the roll drum being rotatable with respect to the support shaft;

the first sealing seat and the second sealing seat are respectively sleeved on the supporting shaft, the first sealing seat is used for sealing the first end of the cavity, and the second sealing seat is used for sealing the second end of the cavity;

the power generation assembly is arranged in the cavity and comprises a permanent magnet ring, a stator core and a stator coil wound on the stator core, the stator core is sleeved on the supporting shaft, and the permanent magnet ring surrounds the periphery of the stator coil and is rotatable along with the roller.

2. The conveyor belt energy recovery device of claim 1, further comprising a first flameproof component disposed at the first end of the chamber.

3. The conveyor belt energy recovery device of claim 2, wherein the first explosion-proof assembly comprises a first explosion-proof sleeve and an annular seat, the annular seat is arranged in the first explosion-proof sleeve, the first explosion-proof sleeve is matched with the first end of the cavity and abuts against the first end face of the roller, the outer periphery of the first explosion-proof sleeve is in contact with the inner periphery of the roller, the outer periphery of the annular seat is in contact with the inner periphery of the first explosion-proof sleeve, the annular seat is sleeved on the support shaft, and the annular seat and the stator coil are arranged in the axial direction of the support shaft at intervals.

4. The conveyor belt energy recovery device of claim 3, wherein the permanent magnet ring is disposed within the first flameproof sleeve.

5. The conveyor belt energy recovery apparatus of claim 4, wherein an accommodating cavity is provided in the annular seat, a first bearing is provided in the accommodating cavity, the first bearing is sleeved on the support shaft,

the first explosion-proof assembly further comprises a spacer bush, the spacer bush is sleeved on the supporting shaft, the first end of the spacer bush abuts against the inner ring of the first bearing, and the second end of the spacer bush abuts against the stator core.

6. The conveyor belt energy recovery device of claim 5, wherein the first flameproof assembly further comprises a first dust ring disposed in the containment chamber, the first dust ring being sleeved on the spacer and located between the first bearing and the annular seat.

7. The conveyor belt energy recovery device of claim 1, further comprising a second flameproof component disposed at a second end of the chamber.

8. The conveyor belt energy recovery device of claim 7, wherein the second flameproof component comprises a second flameproof sleeve, a shaft sleeve and a second bearing, the shaft sleeve is arranged in the second flameproof sleeve, the second flameproof sleeve is matched with the second end of the cavity and is abutted against the second end face of the roller, the outer periphery of the second flameproof sleeve is in contact with the inner periphery of the roller, the shaft sleeve is sleeved on the support shaft, and the second bearing is sleeved on the shaft sleeve.

9. The conveyor belt energy recovery device of claim 8, wherein the second flameproof component further comprises a second dust ring, the second dust ring is sleeved on the shaft sleeve, and the second dust ring is arranged on one side of the second bearing away from the power generation component.

10. A conveyor belt energy recovery apparatus as in claim 1 including an inverter connected to the power generation assembly, the inverter being mounted on the support shaft and spaced from the power generation assembly in the axial direction of the support shaft.