Steel frame double-layer belt conveyor with fault self-diagnosis function

By introducing a self-diagnostic detection unit into the steel-framed double-layer belt conveyor, the tension of the conveyor belt can be monitored and adjusted in real time, solving the problem of conveyor belt slack and sagging, and improving the stability and service life of the equipment.

CN224030003UActive Publication Date: 2026-03-24YUNNAN MINGXIN HEAVY IND MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

During long-term operation, the conveyor belt of existing belt conveyors is prone to slack and sagging, which leads to unstable material conveying and even equipment failure, and is difficult to detect and adjust in a timely manner.

Method used

A steel-framed double-layer belt conveyor with fault self-diagnosis function was designed. The tension of the conveyor belt is monitored in real time by the detection unit, and the wheel distance between the conveyor rollers is automatically adjusted when the conveyor belt sags beyond the preset value to ensure that the conveyor belt remains taut.

Benefits of technology

It enables timely detection and automatic adjustment of conveyor belt slack and sagging, improving the stability of material conveying, preventing slippage, and extending the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a steel frame double-layer belt conveyor with a fault self-diagnosis function, which belongs to the technical field of conveyors and comprises a steel frame body, a conveying unit, a connecting unit, a supporting unit, a detecting unit and a resetting unit. The number of the steel frame bodies is two. The two conveying units are arranged on the two steel frame bodies in a sliding mode correspondingly. The multiple connecting units are arranged on the steel frame body and rotationally connected with the conveying unit. The supporting unit is arranged on the steel frame body; the detection unit is rotationally arranged on the supporting unit and is in sliding connection with the conveying unit; the reset unit is arranged on the supporting unit and connected with the detection unit. The steel frame body comprises transverse rods, vertical rods arranged on the transverse rods and angle steel used for connecting the transverse rods and the vertical rods. According to the utility model, the falling degree of the conveying belt can be detected, and after the conveying belt is adjusted, the detection unit automatically resets.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a conveyor technical field especially, it relates to a kind of steel frame double-layer belt conveyor with fault self-diagnosis function. BACKGROUND

[0002] As the material conveying equipment commonly used in industrial production, belt conveyor is widely used in mining, logistics, chemical industry and other fields. Steel frame double-layer belt conveyor plays an important role in multi-layer material conveying scene due to its compact structure and high conveying efficiency. However, in the long-term operation process of the existing belt conveyor, the conveying belt is prone to stretch and deform due to the influence of material weight and the gravity of the conveying belt itself, resulting in length increase, and then the problem of middle part of conveying roller falling. The sagging of the conveying belt not only affects the stability of material conveying, but also may cause the slipping phenomenon between the conveying belt and the conveying roller, reduce the transmission efficiency, and even cause equipment failure.

[0003] In the prior art, it is difficult to detect the sagging degree of the conveying belt. Often, it is not until the slipping failure occurs that the sagging of the conveying belt is found, which affects the use. UTILITY MODEL CONTENTS

[0004] The utility model aims at the problems in the background art, and provides a steel frame double-layer belt conveyor with fault self-diagnosis function, which can detect the sagging degree of the conveying belt, and the detection unit is automatically reset after the adjustment of the conveying belt is completed.

[0005] The technical scheme of the utility model: a steel frame double-layer belt conveyor with fault self-diagnosis function, comprising,

[0006] Two steel frame bodies are provided.

[0007] Two conveying units are slidingly arranged on the two steel frame bodies respectively.

[0008] A plurality of connecting units are arranged on the steel frame body and are rotationally connected with the conveying units.

[0009] A supporting unit is arranged on the steel frame body.

[0010] A detection unit is rotationally arranged on the supporting unit and is slidingly connected with the conveying unit.

[0011] A reset unit is arranged on the supporting unit and is connected with the detection unit.

[0012] Preferably, the steel frame body comprises a horizontal rod, a vertical rod arranged on the horizontal rod, and an angle steel for connecting the horizontal rod and the vertical rod; the horizontal rods are connected by vertical rods.

[0013] Preferably, the conveying unit comprises a driving assembly arranged on the cross bar, two conveying rollers rotatably arranged on the cross bar, and a conveying belt arranged on the conveying rollers.

[0014] Preferably, the driving assembly comprises a motor frame arranged on the cross bar, a driving motor arranged on the motor frame, a belt transmission part arranged on the driving motor and drivingly connected with the conveying rollers, and a protective cover arranged on the driving motor and covering the belt transmission part.

[0015] Preferably, the connecting unit comprises two connecting seats arranged on the cross bar and having receiving grooves, a connecting rod arranged on the connecting seats and embedded in the receiving grooves of the other connecting seat, and a bearing arranged between the two connecting seats and rotatably connected with the conveying rollers.

[0016] Preferably, the supporting unit comprises a connecting block arranged on the cross bar, and a supporting arm arranged on the connecting block and having a sliding groove; the connecting block and the supporting arm form a T-shaped structure.

[0017] Preferably, the detecting unit comprises a sliding roller slidingly connected with the conveying belt, two rotating arms arranged at two ends of the sliding roller and rotatably connected with the sliding roller and the supporting arm, and a rotation detecting assembly arranged on the supporting arm and connected with any one of the rotating arms; the sliding roller, the rotating arms and the supporting arm form a parallelogram.

[0018] Preferably, the resetting unit comprises a connecting frame arranged on the supporting arm, a tension spring arranged at two ends of the connecting frame and the rotating arm, and a limiting block arranged on the supporting arm for limiting rotation of the rotating arm; the limiting block is provided with a limiting inclined groove and abuts against the rotating arm.

[0019] Compared with the prior art, the utility model has the beneficial technical effects that:

[0020] In the utility model, when the articles are transported on the conveying belt for a long time, the conveying belt is deformed due to the weight, the length of the conveying belt is increased, the part of the conveying belt located in the middle of the conveying rollers is deformed when the gravity is pressed, the detecting unit is used for monitoring when the deformation occurs, the shaft distance between the conveying rollers is adjusted when the degree of the deformation is greater than the preset value, the conveying belt is in the tension state again, the stability of the conveying is ensured, and the slipping phenomenon is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0022] Figure 1 The structural schematic diagram of the embodiment in the present application is shown in the figure.

[0023] Figure 2 The structural schematic diagram of the embodiment in the present application is shown in the figure. Figure 1

[0024] Figure 3 The structural exploded view of the embodiment in the present application is shown in the figure.

[0025] Figure 4 The partial structural exploded view of the embodiment in the present application is shown in the figure.

[0026] Figure 5 The partial structural schematic diagram of the embodiment in the present application is shown in the figure.

[0027] Figure 6 The partial structural schematic diagram of the embodiment in the present application is shown in the figure. Figure 5

[0028] Figure 7 The structural schematic diagram of the limiting block in the present application is shown in the figure.

[0029] The drawings are as follows: 1, steel frame body; 101, horizontal rod; 102, vertical rod; 103, angle steel; 2, conveying unit; 201, driving assembly; 202, conveying roller; 203, conveying belt; 2011, driving motor; 2012, motor frame; 2013, protective cover; 2014, belt transmission part; 3, connecting unit; 301, connecting seat; 302, plug rod; 303, bearing; 304, storage groove; 4, supporting unit; 401, connecting block; 402, supporting arm; 5, detection unit; 501, sliding roller; 502, rotating arm; 503, rotation detection assembly; 6, reset unit; 601, connecting frame; 602, tension spring; 603, limiting block; 6031, limiting inclined groove. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0031] ​​Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive, either alone or selectively, with other embodiments.

[0033] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0034] Example 1

[0035] like Figures 1-7 As shown, the present invention proposes a steel frame double-layer belt conveyor with fault self-diagnosis function, comprising a steel frame body 1, a conveying unit 2, a connecting unit 3, a supporting unit 4, a detection unit 5, and a reset unit 6.

[0036] Two steel frame bodies 1 are provided; two conveying units 2 are provided and slidably mounted on the two steel frame bodies 1 respectively; multiple connecting units 3 are provided and all are mounted on the steel frame bodies 1 and rotatably connected to the conveying units 2; a support unit 4 is provided on the steel frame body 1; a detection unit 5 is rotatably mounted on the support unit 4 and slidably connected to the conveying units 2; a reset unit 6 is provided on the support unit 4 and connected to the detection unit 5. The steel frame body 1 includes a horizontal bar 101, a vertical bar 102 provided on the horizontal bar 101, and an angle steel 103 for connecting the horizontal bar 101 and the vertical bar 102; the horizontal bars 101 are connected to each other through the vertical bars 102.

[0037] The conveying unit 2 comprises a driving assembly 201 arranged on the cross bar 101, two conveying rollers 202 rotatably arranged on the cross bar 101, and a conveying belt 203 arranged on the conveying rollers 202.

[0038] In the embodiment, the two-layer cross bar 101 is supported and connected through the vertical bar 102, the cross bar 101 and the vertical bar 102 are connected and fixed through the angle steel 103, the driving motor 2011 drives the conveying roller 202 to rotate through the belt transmission part 2014, the motor bracket 2012 is used for supporting and fixing the driving motor 2011, the protective cover 2013 is used for protecting the belt transmission part 2014, the conveying roller 202 drives the conveying belt 203 to move, so that the article can be conveyed, when the article is transported on the conveying belt 203 for a long time, the conveying belt 203 is deformed due to the weight, the length of the conveying belt 203 is increased, when the conveying belt 203 is pressed by the gravity again, the part of the conveying belt 203 located in the middle of the conveying roller 202 is deformed downward, when the deformation occurs, the detection unit 5 is used for detection, when the downward degree is greater than a preset value, the shaft distance between the conveying rollers 202 needs to be adjusted, so that the conveying belt 203 is in the tension state again, the stability of conveying is ensured, and the slipping phenomenon is prevented.

[0039] Embodiment two

[0040] As shown in Figures 1-7 Compared with the embodiment one, the connecting unit 3 in the embodiment comprises two connecting seats 301 provided with receiving grooves 304 and arranged on the cross bar 101, a connecting rod 302 arranged on the connecting seat 301 and embedded in the receiving groove 304 of the other connecting seat 301, and a bearing 303 arranged between the two connecting seats 301 and rotatably connected with the conveying roller 202.

[0041] In the embodiment, the two connecting seats 301 are placed in positive and reverse directions respectively, so that the insertion rod 302 can be accommodated in the accommodation groove 304, the insertion rod 302 is inserted into the accommodation groove 304, and the bearing 303 is located in the connecting seat 301, the bearing 303 is installed on the rotating shaft of the conveying roller 202, the insertion rod 302 is provided with a positioning hole, when the positioning holes are aligned, the two connecting seats 301 can be fixed by bolts, so that the two connecting seats 301 are reliably connected, and the connecting seat 301 is fixed to the cross rod 101, so that the conveying roller 202 can be supported, and the conveying roller 202 rotates more stably, and the structure of the connecting unit 3 can realize convenient disassembly and assembly, and the positive and reverse structures can facilitate replacement.

[0042] Embodiment three

[0043] As Figures 1-7 shown, the steel frame double-belt conveyor with the fault self-diagnosis function, compared with the embodiment one or the embodiment two, the support unit 4 in the embodiment comprises a connecting block 401 arranged on the cross rod 101 and a support arm 402 provided on the connecting block 401 and having a sliding groove.

[0044] The detection unit 5 comprises a sliding roller 501 in sliding connection with the conveying belt 203, two rotating arms 502 rotatably connected with the sliding roller 501 and the support arm 402 at two ends respectively, and a rotation detection assembly 503 arranged on the support arm 402 and connected with any one rotating arm 502, the sliding roller 501, the rotating arm 502 and the support arm 402 form a parallelogram, the detection unit 5 can judge the tightness degree of the conveying belt 203 according to the downward movement distance, and can detect the tightness degree of the conveying belt 203 in real time.

[0045] The reset unit 6 comprises a connecting frame 601 arranged on the support arm 402, a tension spring 602 connected with the connecting frame 601 and the rotating arm 502 at two ends respectively, and a limiting block 603 arranged on the support arm 402 and used for limiting rotation of the rotating arm 502, the limiting block 603 is provided with a limiting inclined groove 6031 and is attached to the rotating arm 502, and the reset unit 6 is used for driving the rotating arm 502 to flip and reset, the rotating arm 502 is driven to rotate by the tension spring 602, and the maximum angle of the rotating arm 502 in the flipping is limited by the limiting block 603.

[0046] In the embodiment, the connecting block 401 is installed on the cross rod 101 and is located at the middle position of the two conveying rollers 202, where the deformation of the conveying belt 203 is the largest after the conveying belt 203 is pressed by the weight; when the conveying belt 203 has the weight, the weight causes the deformation of the conveying belt 203, the conveying belt 203 is pressed on the sliding roller 501, thereby the sliding roller 501 can be pushed to move downward, and the parallelogram structure formed by the two rotating arms 502 can make the sliding roller 501 always keep horizontal, thereby better contacting with the conveying belt 203.

[0047] When the sliding roller 501 moves downward, the rotating arm 502 is driven to rotate, the rotating arm 502 drives the knob of the rotation detection assembly 503 to rotate, the resistance is changed, thereby the output current is changed, the change of the current is used to judge the sagging amplitude of the conveying belt 203, when the sagging amplitude of the conveying belt 203 is too large, the current output by the limiting block 603 is used to judge, at this time, the position of the conveying roller 202 needs to be adjusted, so that the conveying belt 203 is in the taut state, preventing the conveying belt 203 in the slack state from affecting the movement conveying, thereby the slack fault of the conveying roller 202 can be detected, the limiting block 603 can be used to detect at low cost, and the structure is simple and not easy to be damaged.

[0048] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A steel-framed double-layer belt conveyor with self-diagnosis function, characterized in that: include, The steel frame body (1) has two parts; Two conveying units (2) are provided and are slidably mounted on the two steel frame bodies (1); Multiple connecting units (3) are provided, all of which are mounted on the steel frame body (1) and rotatably connected to the conveying unit (2); Support unit (4) is provided on the steel frame body (1); The detection unit (5) is rotatably mounted on the support unit (4) and slidably connected to the conveying unit (2); A reset unit (6) is disposed on the support unit (4) and connected to the detection unit (5).

2. The steel framed double-belt conveyor having a failure self-diagnosis function according to claim 1, characterized by, The steel frame body (1) includes a horizontal bar (101), a vertical bar (102) disposed on the horizontal bar (101), and an angle steel (103) for connecting the horizontal bar (101) and the vertical bar (102); the horizontal bars (101) are connected to each other by the vertical bar (102).

3. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 2, characterized in that, The conveying unit (2) includes a drive assembly (201) disposed on the crossbar (101), two conveying rollers (202) disposed on the crossbar (101) and both rotatably disposed on the crossbar (101), and a conveyor belt (203) disposed on the conveying rollers (202).

4. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 3, characterized in that, The drive assembly (201) includes a motor frame (2012) mounted on the crossbar (101), a drive motor (2011) mounted on the motor frame (2012), a belt drive unit (2014) mounted on the drive motor (2011) and drivenly connected to the conveyor roller (202), and a protective cover (2013) mounted on the drive motor (2011) and covering the belt drive unit (2014).

5. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 4, characterized in that, The connecting unit (3) includes two connecting seats (301) provided on the crossbar (101) and having a receiving groove (304), a plug rod (302) provided on the connecting seat (301) and embedded in the receiving groove (304) on the other connecting seat (301), and a bearing (303) provided between the two connecting seats (301) and rotatably connected to the conveying roller (202).

6. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 5, characterized in that, The support unit (4) includes a connecting block (401) disposed on the crossbar (101) and a support arm (402) disposed on the connecting block (401) and having a sliding groove; the connecting block (401) and the support arm (402) form a T-shaped structure.

7. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 6, characterized in that, The detection unit (5) includes a sliding roller (501) slidably connected to the conveyor belt (203), two rotating arms (502) respectively rotatably connected at both ends to the sliding roller (501) and the support arm (402), and a rotating detection component (503) disposed on the support arm (402) and connected to any one of the rotating arms (502); the sliding roller (501), the rotating arm (502) and the support arm (402) form a parallelogram.

8. A steel-framed double-layer belt conveyor with fault self-diagnosis function according to claim 7, characterized in that, The reset unit (6) includes a connecting frame (601) disposed on the support arm (402), a tension spring (602) connected at both ends to the connecting frame (601) and the rotating arm (502) respectively, and a limiting block (603) disposed on the support arm (402) to limit the rotation of the rotating arm (502); the limiting block (603) is provided with a limiting groove (6031) and fits against the rotating arm (502).