Belt conveyor

Abstract

The invention provides a belt conveyor which is characterized in that a head roller and a tail roller are rotatably arranged on a frame body, the tail roller and a belt storage part are movably arranged on the frame body, and the moving direction of the belt storage part is perpendicular to the width direction of the frame body; the conveying belt is wound on the head roller, the tail roller and the belt storage piece; the first adjusting piece can adjust the position of the tail roller relative to the frame body, and the second adjusting piece can adjust the position of the belt storage piece relative to the frame body. The distance measuring part can detect the moving distance of the belt storage part and the tail roller; the control piece is in signal connection with the distance measuring piece, the first adjusting piece and the second adjusting piece so as to control the first adjusting piece and the second adjusting piece to work according to the detection result of the distance measuring piece. Through the technical scheme provided by the invention, the problem that the adjustment of the tail position adjustment mode of the belt conveyor for adapting to the change of the working surface in the prior art is inaccurate can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of coal mining, and in particular to a belt conveyor. Background Art

[0002] In coal mines and other mineral resource mining industries, retractable belt conveyors (retractable belt conveyors) are key material handling equipment used to continuously transport coal, ore and other materials from the working surface to the ground or the next processing point. The unique retractability of this type of conveyor enables it to adapt to the characteristics of the working surface constantly moving forward or backward, thereby maintaining the continuity and efficiency of material transportation.

[0003] The core parts of the retractable belt conveyor are the belt storage bin and the tensioning device. The belt storage bin is used to store extra conveyor belts. When the working surface moves forward or backward, the belt storage bin can release or recycle the conveyor belt to achieve the retraction of the conveyor. The tensioning device is responsible for adjusting the tension of the conveyor belt to ensure the stability and efficiency of the conveyor belt during transportation.

[0004] In the related art, when the tail position needs to be adjusted to adapt to changes in the working surface, the operator makes a subjective judgment through manual observation combined with experience to estimate the remaining conveyor belt in the belt storage bin and control the tail position adjustment of the retractable belt conveyor.

[0005] However, when the tail position needs to be adjusted to adapt to changes in the working surface, the adjustment method in the related art relies on the subjective judgment of the operator and has the problem of inaccuracy. Summary of the invention

[0006] The present invention provides a belt conveyor to solve the problem of inaccurate adjustment of the tail position of the belt conveyor in the related art to adapt to the change of the working surface.

[0007] The invention provides a belt conveyor, which comprises: a frame; a roller assembly, comprising a head roller, a tail roller and a driving member, wherein the head roller and the tail roller are rotatably arranged on the frame, the driving member is drivingly connected to the head roller or the tail roller, the rotation axis of the head roller and the rotation axis of the tail roller both extend along the width direction of the frame, and the tail roller can move along the length direction of the frame; a belt storage member, which is movably arranged on the frame, and the moving direction of the belt storage member is perpendicular to the width direction of the frame; a conveyor belt, which is wound around the head roller, the tail roller and the belt storage member; a tensioning adjustment member, comprising a first adjustment member and a second adjustment member, the first adjustment member can adjust the position of the tail roller relative to the frame, and the second adjustment member can adjust the position of the belt storage member relative to the frame; a distance measuring member, which can detect the moving distance of the belt storage member and the tail roller; and a control member, which is respectively connected to the distance measuring member, the first adjustment member and the second adjustment member by signal, so as to control the operation of the first adjustment member and the second adjustment member according to the detection result of the distance measuring member.

[0008] Furthermore, the control component includes a communication component and a data analysis component. The communication component is connected to the ranging component by signal to receive the detection result of the ranging component. The data analysis component is connected to the communication component by signal to analyze the data received by the communication component. The communication component is also connected to the first adjustment component and the second adjustment component by signal respectively to control the operation of the first adjustment component and the second adjustment component according to the analysis result of the data analysis component.

[0009] Furthermore, the control component also includes an input component, which is signal-connected to the data analysis component to modify analysis parameters of the data analysis component according to input information of the input component.

[0010] Furthermore, the distance measuring device is a millimeter-level laser distance measuring device.

[0011] Furthermore, the distance measuring member comprises a first distance measuring element and a second distance measuring element, the first distance measuring element can detect the moving distance of the belt storage member, and the second distance measuring element can detect the moving distance of the tail roller.

[0012] Furthermore, the first ranging element includes a first transmitting element and a first receiving element, the second ranging element includes a second transmitting element and a second receiving element, the first transmitting element and the second transmitting element are both arranged on the frame, the first receiving element is arranged on the belt storage element, and the second receiving element is arranged on the tail roller, and the first receiving element and the second receiving element are both connected to the control element signal.

[0013] Furthermore, the belt conveyor also includes: an alarm component, a control component connected to the alarm component signal to control the operation of the alarm component according to the detection result of the distance measuring component; and / or a data storage component connected to the distance measuring component signal to store the detection result of the distance measuring component.

[0014] Furthermore, the belt storage device includes: a belt storage bin, which is movably arranged on the frame, and the moving direction of the belt storage bin is perpendicular to the width direction of the frame, and a second adjusting member is arranged between the belt storage bin and the frame to adjust the position of the belt storage bin relative to the frame; a belt storage roller, which is rotatably arranged in the belt storage bin, and the rotation axis of the belt storage roller is parallel to the rotation axis of the head roller, and the conveyor belt is wound around the head roller, the tail roller and the belt storage roller.

[0015] Further, the belt conveyor also includes a first guide rail, which is arranged on the frame, extending along the length direction of the frame, and the tail roller is movably arranged on the first guide rail along the extension direction of the first guide rail; and / or, the belt conveyor also includes a tail frame, which is movably arranged on the frame along the length direction of the frame, the first adjusting member can adjust the position of the tail frame relative to the frame, the tail roller is rotatably arranged on the tail frame, and the distance measuring member can detect the moving distance of the tail frame.

[0016] Further, the moving direction of the belt storage member is parallel to the length direction of the frame; and / or, the belt conveyor further comprises a second guide rail, the second guide rail is arranged on the frame, and the belt storage member is movably arranged on the second guide rail along the extension direction of the second guide rail.

[0017] According to the technical solution of the present invention, the belt conveyor includes a frame, a roller assembly, a belt storage member, a conveyor belt, a tensioning adjustment member, a distance measuring member and a control member. When the tail roller approaches the head roller, the distance measuring member is used to detect the moving distance of the tail roller. The control member calculates the moving distance required by the belt storage member according to the preset proportional parameters based on the moving distance of the tail roller. The control member controls the second adjustment member to adjust the position of the belt storage member relative to the frame so that the belt storage member moves away from the head roller until the moving distance meets the moving distance required by the belt storage member. When the belt storage member approaches the head roller, the distance measuring member is used to detect the moving distance of the belt storage member. The control member calculates the moving distance required by the tail roller according to the preset proportional parameters based on the moving distance of the belt storage member. The control member controls the first adjustment member to adjust the position of the tail roller relative to the frame so that the tail roller moves away from the head roller until the moving distance meets the moving distance required by the tail roller. The belt conveyor provided in this embodiment utilizes a distance measuring member to detect the moving distance of the belt storage member and the tail roller, thereby improving the detection accuracy of the position of the belt storage member relative to the frame and the position of the tail roller relative to the frame, and the control member controls the operation of the first adjusting member and the second adjusting member according to the detection result of the distance measuring member, thereby avoiding the roughness and uncertainty of the position adjustment of the belt storage member and the tail roller, avoiding dependence on the operator's experience, eliminating the need for frequent manual adjustment and monitoring, reducing the daily operation and maintenance costs of the belt conveyor, improving material transportation efficiency, reducing energy consumption and production costs, and improving the operational automation level of retracting or extending the tail position of the belt conveyor, thereby improving production efficiency and work safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 A schematic structural diagram of a belt conveyor provided according to an embodiment of the present invention is shown.

[0020] The above drawings include the following reference numerals:

[0021] 10. Roller assembly; 11. Head roller; 12. Tail roller;

[0022] 20. Belt storage member; 21. Belt storage bin; 22. Belt storage roller;

[0023] 30. Conveyor belt;

[0024] 40. Tensioning adjusting member; 41. Second adjusting member. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1 As shown, an embodiment of the present invention provides a belt conveyor, which includes a frame, a roller assembly 10, a belt storage member 20, a conveyor belt 30, a tensioning adjustment member 40, a distance measuring member and a control member. The roller assembly 10 includes a head roller 11, a tail roller 12 and a driving member. The head roller 11 and the tail roller 12 are rotatably arranged on the frame, and the driving member is drivingly connected to the head roller 11 or the tail roller 12. The rotation axis of the head roller 11 and the rotation axis of the tail roller 12 both extend along the width direction of the frame, and the tail roller 12 can move along the length direction of the frame. The belt storage member 20 is movably arranged on the frame. The moving direction of the belt storage member 20 is perpendicular to the width direction of the frame, the conveyor belt 30 is wound around the head roller 11, the tail roller 12 and the belt storage member 20, the tensioning adjusting member 40 includes a first adjusting member and a second adjusting member 41, the first adjusting member can adjust the position of the tail roller 12 relative to the frame, the second adjusting member 41 can adjust the position of the belt storage member 20 relative to the frame, the distance measuring member can detect the moving distance of the belt storage member 20 and the tail roller 12, and the control member is respectively connected with the distance measuring member, the first adjusting member and the second adjusting member 41 for controlling the operation of the first adjusting member and the second adjusting member 41 according to the detection result of the distance measuring member.

[0027] The belt conveyor provided by the present embodiment is applied, and the belt conveyor includes a frame, a roller assembly 10, a belt storage member 20, a conveyor belt 30, a tensioning adjustment member 40, a distance measuring member, and a control member. In the process of the tail roller 12 approaching the head roller 11, the distance measuring member is used to detect the moving distance of the tail roller 12, and the control member calculates the moving distance required by the belt storage member 20 according to the preset proportional parameters based on the moving distance of the tail roller 12. The control member controls the second adjustment member 41 to adjust the position of the belt storage member 20 relative to the frame, so that the belt storage member 20 is away from the head roller 11 until the moving distance meets the moving distance required by the belt storage member 20. In the process of the belt storage member 20 approaching the head roller 11, the distance measuring member is used to detect the moving distance of the belt storage member 20, and the control member calculates the moving distance required by the tail roller 12 according to the preset proportional parameters based on the moving distance of the belt storage member 20. The control member controls the first adjustment member to adjust the position of the tail roller 12 relative to the frame, so that the tail roller 12 is away from the head roller 11 until the moving distance meets the moving distance required by the tail roller 12. The belt conveyor provided in this embodiment uses a distance measuring member to detect the moving distance of the belt storage member 20 and the tail roller 12, thereby improving the detection accuracy of the position of the belt storage member 20 relative to the frame and the position of the tail roller 12 relative to the frame, and the control member controls the operation of the first adjustment member and the second adjustment member 41 according to the detection result of the distance measuring member, thereby avoiding the roughness and uncertainty of the position adjustment of the belt storage member 20 and the tail roller 12, avoiding dependence on the operator's experience, and eliminating the need for frequent manual adjustment and monitoring, thereby reducing the daily operation and maintenance costs of the belt conveyor, improving material transportation efficiency, reducing energy consumption and production costs, and improving the operation automation level of retracting or extending the tail position of the belt conveyor, thereby improving production efficiency and work safety.

[0028] In this embodiment, the control element includes a communication element and a data analysis element. The communication element is connected to the distance measuring element by signal to receive the detection result of the distance measuring element. The data analysis element is connected to the communication element by signal to analyze the data received by the communication element. The communication element is also connected to the first adjustment element and the second adjustment element 41 by signal to control the operation of the first adjustment element and the second adjustment element 41 according to the analysis result of the data analysis element. The communication element receives the detection result of the distance measuring element, and the data analysis element analyzes the data received by the communication element to obtain the target moving distance. The communication element controls the operation of the first adjustment element or the second adjustment element 41 according to the target moving distance, automatically adjusts the position of the tail roller 12 and the belt storage element 20, ensures that the belt conveyor can operate stably in a dynamically changing environment, effectively avoids the problem of slipping or over-tensioning of the conveyor belt, and improves the adaptability and reliability of the conveyor.

[0029] In this embodiment, the control unit also includes an input unit, which is connected to the data analysis unit by signal so as to modify the analysis parameters of the data analysis unit according to the input information of the input unit. The operator can use the input unit to adjust the analysis parameters of the data analysis unit (i.e., the preset proportional parameters) according to actual needs, thereby improving the flexibility of the control unit.

[0030] In this embodiment, the distance measuring component is a millimeter-level laser distance measuring device. Using a millimeter-level laser distance measuring device as the distance measuring component can improve the accuracy of the measurement result and improve the adjustment accuracy of the tension adjusting component 40.

[0031] In this embodiment, the distance measuring member includes a first distance measuring element and a second distance measuring element, wherein the first distance measuring element can detect the moving distance of the tape storage member 20, and the second distance measuring element can detect the moving distance of the tail roller 12. The first distance measuring element and the second distance measuring element are used to respectively detect the moving distance of the tape storage member 20 and the moving distance of the tail roller 12, thereby avoiding the measurement error that may be caused by a single distance measuring element, improving the accuracy of the measurement result, improving the adjustment accuracy of the tension adjusting member 40, and improving the operation efficiency and safety of the conveyor.

[0032] In this embodiment, the first distance measuring element includes a first transmitter and a first receiver, the second distance measuring element includes a second transmitter and a second receiver, the first transmitter and the second transmitter are both arranged on the frame, the first receiver is arranged on the belt storage member 20, the second receiver is arranged on the tail roller 12, and the first receiver and the second receiver are both connected to the control member signal. By adopting the above-mentioned first distance measuring element and second distance measuring element, the separated transmitter and receiver design can avoid the interference of the conveyor belt 30 and the conveyed material on the distance measuring signal, improve the accuracy and stability of the distance measuring, and is suitable for material transportation under complex working conditions, such as open-pit mines, construction sites, etc.

[0033] In this embodiment, the belt conveyor further includes an alarm component, and the control component is connected to the alarm component signal to control the alarm component to work according to the detection result of the distance measuring component. When the distance measuring component detects that the position of the tail roller 12 relative to the frame exceeds the safe range, the control component controls the alarm component to issue an alarm in time, and records the abnormal data at the same time, which is convenient for subsequent troubleshooting and maintenance, thereby improving the intelligent management level of the conveyor and being suitable for unmanned or remotely monitored operating environments, such as automated production lines, remote mines, etc.

[0034] In this embodiment, the belt conveyor also includes a data storage element, which is connected to the distance measuring element signal to store the detection results of the distance measuring element, so that the operation data of the belt conveyor (the moving distance of the belt storage element 20 and the moving distance of the tail roller 12 detected by the distance measuring element) can be systematically recorded and analyzed, which is beneficial to the in-depth understanding and optimization of the conveyor performance and to improving the level of refined mine production management.

[0035] like Figure 1 As shown, the tape storage member 20 includes a tape storage bin 21 and a tape storage roller 22. The tape storage bin 21 is movably arranged on the frame, and the moving direction of the tape storage bin 21 is perpendicular to the width direction of the frame. The second adjusting member 41 is arranged between the tape storage bin 21 and the frame to adjust the position of the tape storage bin 21 relative to the frame. The tape storage roller 22 is rotatably arranged in the tape storage bin 21, and the rotation axis of the tape storage roller 22 is parallel to the rotation axis of the head roller 11. The conveyor belt 30 is wound around the head roller 11, the tail roller 12 and the tape storage roller 22. Through the design of the tape storage bin 21 and the tape storage roller 22, the tape storage bin 21 is used to protect the tape storage roller 22 and the conveyor belt 30 wound around the tape storage roller 22.

[0036] In this embodiment, the belt conveyor further includes a first guide rail, which is arranged on the frame and extends along the length direction of the frame, and the tail roller 12 is movably arranged on the first guide rail along the extension direction of the first guide rail. The guiding effect of the first guide rail makes the movement of the tail roller 12 more stable and accurate, improves the operation efficiency and stability of the belt conveyor, and is suitable for long-distance transportation and scenes requiring high-precision positioning, such as container loading and unloading in large ports, production lines of precision electronic equipment, etc.

[0037] In this embodiment, the belt conveyor further comprises a tail frame, which is movably arranged on the frame along the length direction of the frame, the first adjusting member can adjust the position of the tail frame relative to the frame, the tail roller 12 is rotatably arranged on the tail frame, and the distance measuring member can detect the moving distance of the tail frame. The support function of the tail frame makes the movement of the tail roller 12 more stable and accurate, improves the operation efficiency and stability of the belt conveyor, and is suitable for long-distance transportation and scenes requiring high-precision positioning, such as container loading and unloading in large ports, production lines of precision electronic equipment, etc.

[0038] In this embodiment, the moving direction of the belt storage member 20 is parallel to the length direction of the frame. The belt storage member 20 designed with the above moving direction can save the extra space required by the belt storage member 20 and improve the compactness of the belt conveyor structure.

[0039] In this embodiment, the belt conveyor further comprises a second guide rail, which is arranged on the frame, and the belt storage member 20 is movably arranged on the second guide rail along the extension direction of the second guide rail, so that the movement of the belt storage member 20 is more stable and accurate, and the operation efficiency and stability of the belt conveyor are improved, which is suitable for long-distance transportation and scenes requiring high-precision positioning, such as container loading and unloading in large ports, production lines of precision electronic equipment, etc.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0042] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0043] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0044] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A belt conveyor, characterized in that: The belt conveyor comprises: Frame; A roller assembly (10) comprises a head roller (11), a tail roller (12) and a driving member, wherein the head roller (11) and the tail roller (12) are rotatably arranged on the frame, the driving member is drivingly connected to the head roller (11) or the tail roller (12), the rotation axis of the head roller (11) and the rotation axis of the tail roller (12) both extend along the width direction of the frame, and the tail roller (12) can move along the length direction of the frame; A tape storage member (20) is movably arranged on the frame, and the moving direction of the tape storage member (20) is perpendicular to the width direction of the frame; A conveyor belt (30) is wound around the head roller (11), the tail roller (12) and the belt storage member (20); A tensioning adjustment member (40) comprising a first adjustment member and a second adjustment member (41), wherein the first adjustment member is capable of adjusting the position of the tail roller (12) relative to the frame, and the second adjustment member (41) is capable of adjusting the position of the belt storage member (20) relative to the frame; A distance measuring member capable of detecting the moving distance of the belt storage member (20) and the tail roller (12); A control component is respectively connected to the distance measuring component, the first adjusting component and the second adjusting component (41) by signals, so as to control the operation of the first adjusting component and the second adjusting component (41) according to the detection result of the distance measuring component.

2. The belt conveyor according to claim 1, characterized in that: The control component includes a communication component and a data analysis component. The communication component is connected to the distance measuring component by signal so as to receive the detection result of the distance measuring component. The data analysis component is connected to the communication component by signal so as to analyze the data received by the communication component. The communication component is also connected to the first adjustment component and the second adjustment component (41) by signal so as to control the operation of the first adjustment component and the second adjustment component (41) according to the analysis result of the data analysis component.

3. The belt conveyor according to claim 2, characterized in that: The control component also includes an input component, which is signal-connected to the data analysis component to modify the analysis parameters of the data analysis component according to the input information of the input component.

4. The belt conveyor according to claim 1, characterized in that: The distance measuring component is a millimeter-level laser distance measuring device.

5. The belt conveyor according to claim 1, characterized in that: The distance measuring element comprises a first distance measuring element and a second distance measuring element, wherein the first distance measuring element can detect the moving distance of the belt storage element (20), and the second distance measuring element can detect the moving distance of the tail roller (12).

6. The belt conveyor according to claim 5, characterized in that: The first distance measuring element comprises a first transmitting element and a first receiving element, and the second distance measuring element comprises a second transmitting element and a second receiving element. The first transmitting element and the second transmitting element are both arranged on the frame, the first receiving element is arranged on the belt storage element (20), and the second receiving element is arranged on the tail roller (12). The first receiving element and the second receiving element are both connected to the control element by signal.

7. The belt conveyor according to claim 1, characterized in that: The belt conveyor also includes: an alarm component, wherein the control component is connected to the alarm component signal to control the alarm component to operate according to the detection result of the distance measuring component; and / or, The data storage element is connected to the distance measuring element signal to store the detection result of the distance measuring element.

8. The belt conveyor according to claim 1, characterized in that: The belt storage member (20) comprises: A tape storage bin (21) is movably arranged on the frame, the moving direction of the tape storage bin (21) is perpendicular to the width direction of the frame, and the second adjusting member (41) is arranged between the tape storage bin (21) and the frame to adjust the position of the tape storage bin (21) relative to the frame; A belt storage roller (22) is rotatably arranged in the belt storage bin (21), the rotation axis of the belt storage roller (22) is parallel to the rotation axis of the head roller (11), and the conveyor belt (30) is wound around the head roller (11), the tail roller (12) and the belt storage roller (22).

9. The belt conveyor according to claim 1, characterized in that: The belt conveyor further comprises a first guide rail, which is arranged on the frame, the first guide rail extends along the length direction of the frame, and the tail roller (12) is movably arranged on the first guide rail along the extension direction of the first guide rail; and / or, The belt conveyor also includes a tail frame, which is movably arranged on the frame along the length direction of the frame, the first adjusting member can adjust the position of the tail frame relative to the frame, the tail roller (12) is rotatably arranged on the tail frame, and the distance measuring member can detect the moving distance of the tail frame.

10. The belt conveyor according to claim 1, characterized in that: The moving direction of the belt storage member (20) is parallel to the length direction of the frame; and / or, The belt conveyor further comprises a second guide rail, which is arranged on the frame body, and the belt storage member (20) is movably arranged on the second guide rail along the extension direction of the second guide rail.

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