Deviation sensor and mining belt conveyor

Abstract

The utility model discloses a deviation sensor and a mining belt conveyor, the deviation sensor comprises: a housing (10), an accommodating cavity (11) is defined in the housing (10), the housing (10) is fixedly connected to the conveyor and is close to one side of a belt; the sensor body (20) is fixedly connected to the interior of the accommodating cavity (11); the carrier roller (30) is movably connected to the shell (10), the side of the first end (301) of the carrier roller (30) is close to the conveyor belt, and the side of the second end (302) of the carrier roller (30) is close to the sensor body (20); wherein the carrier roller (30) can move in a switching mode between the abutting position where the carrier roller (30) abuts against the sensor body (20) and the far position where the carrier roller (30) is far away from the sensor body (20), and when the carrier roller (30) abuts against the sensor body (20), the sensor body (20) converts the position of the carrier roller (30) into an optical signal.

Description

Technical Field

[0001] This utility model relates to the field of belt misalignment sensor technology, and in particular to a belt misalignment sensor and a mining belt conveyor. Background Technology

[0002] In the fields of industrial automation and logistics transportation, belt conveyors are widely used as efficient material handling equipment for transporting bulk materials such as coal, ore, and grain. These conveyors achieve continuous material transport through the friction between the conveyor belt and idlers / drums, offering advantages such as high conveying capacity, stable operation, and easy maintenance. However, during operation, the conveyor belt may deviate from its intended track, a phenomenon known as belt misalignment. This not only affects conveying efficiency but can also lead to mechanical failures and safety accidents.

[0003] A belt misalignment sensor is a safety protection device installed on a belt conveyor, mainly used to detect whether the conveyor belt deviates from its predetermined track during operation. The sensor can promptly issue an alarm or stop the machine when the belt deviates from its normal position, thus preventing further losses. However, existing belt misalignment sensors have some limitations in practical applications: for example, the harsh working environment of belt conveyors can easily cause dust to enter the sensor, interfering with its normal operation and affecting its service life; also, the existing sensors have a relatively complex structure, making disassembly and assembly inconvenient and hindering detection and maintenance; furthermore, the idlers in existing structures cannot automatically return to their original position after deviating, requiring manual adjustment, which is inconvenient to use. Summary of the Invention

[0004] This solution addresses the problems and needs raised above. This utility model aims to solve at least one of the above problems by proposing a belt misalignment sensor and a mining belt conveyor. Due to the adoption of the following technical features, it is able to achieve the above technical objectives and bring about other technical effects.

[0005] One objective of this invention is to provide a deviation sensor, comprising:

[0006] A housing having an internally defined receiving cavity, the housing being fixedly connected to the conveyor and located on the side near the belt;

[0007] The sensor body is fixedly connected inside the receiving cavity;

[0008] An idler roller is movably connected to the housing, with its first end side disposed near the conveyor belt and its second end side disposed near the sensor body;

[0009] The idler roller is capable of switching between a stop position against the sensor body and a distance position away from the sensor body, and when the idler roller stops against the sensor body, the sensor body converts the position of the idler roller into an optical signal.

[0010] In this technical solution, when the belt is not misaligned, there is a certain gap between the belt and the idler roller, and the idler roller is not in contact with the sensor body, i.e., the idler roller is in a far-off position. When the belt misaligns, the belt will contact the first end of the idler roller and squeeze the idler roller, causing the idler roller to deflect. When the idler roller deflects at a certain angle, the second end of the idler roller contacts the fiber optic misalignment sensor body, i.e., the idler roller is in a stopped position. The fiber optic misalignment sensor body emits a light signal, thereby alerting the conveyor belt to misalignment. This misalignment sensor provides a more compact and protective structure, reducing the intrusion of dust and other contaminants into the sensor's interior, thus improving the durability and service life of the misalignment sensor. Moreover, the structure is simple, easy to detect and maintain, and can self-restore its original position, saving manual operation and making it convenient to use.

[0011] In addition, the deviation sensor according to this utility model may also have the following technical features:

[0012] In one example of this utility model, it further includes: a connecting rod that is telescopically connected in the through hole, wherein when the conveyor belt deflects, the connecting rod is driven by the idler roller to move along the extension direction of the through hole and abut against the sensor body; wherein the through hole communicating with the receiving cavity is provided on the housing.

[0013] In one example of this utility model, the idler roller includes an idler roller body and a hemispherical head, the hemispherical head being hinged to the housing. When the conveyor belt deflects, the idler roller is driven to swing, thereby driving the connecting rod to move along the extension direction of the through hole.

[0014] In one example of this utility model, it also includes: a protective shell.

[0015] It has an installation cavity, the protective shell is fixedly connected to the housing and communicates with the through hole, and the hemispherical head is hinged in the installation cavity.

[0016] In one example of this utility model, it also includes: an elastic element.

[0017] One end of the element is fixedly connected to the through hole and sleeved on the connecting rod. The element is configured such that the connecting rod abuts against the hemispherical head under the action of elastic force, and when the idler roller moves from the far-away position to the abutting position, the elastic element generates an elastic force that causes the idler roller to return to the far-away position.

[0018] In one example of this utility model, it also includes: an elastic element.

[0019] It is disposed between the connecting rod and the housing, configured such that the connecting rod abuts against the hemispherical head under the action of elastic force, and when the idler roller moves from the remote position to the abutting position, the elastic element generates an elastic force that causes the idler roller to return to the remote position.

[0020] In one example of this utility model, the elastic element is one of the following: a compression spring, a tension spring, a spring sheet, and a rubber component.

[0021] In one example of this utility model, the housing is fixedly connected to the conveyor by fasteners, wherein at least one first connecting hole is provided on one of the housing and the conveyor, and at least one second connecting hole is provided on the other, and the fasteners pass through the first connecting hole and the second connecting hole in sequence.

[0022] In one example of this utility model, at least one ear plate is formed on the housing, and the first connecting hole or the second connecting hole is formed on the ear plate.

[0023] Another objective of this invention is to provide a mining belt conveyor, including the deviation sensor described above.

[0024] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, so as to facilitate an understanding of the features and advantages of the present invention. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. The drawings are merely illustrative of some embodiments of this utility model and are not intended to limit the scope of all embodiments of this utility model.

[0026] Figure 1 This is a front view of the belt misalignment sensor according to an embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the belt misalignment sensor according to an embodiment of the present invention;

[0028] Figure 3 This is an internal structural diagram of the misalignment sensor according to an embodiment of the present invention.

[0029] List of reference numerals in the attached diagram:

[0030] Misalignment sensor 100;

[0031] Casing 10;

[0032] Receiving cavity 11;

[0033] Earplate 12;

[0034] First connecting hole 121;

[0035] Through hole 13;

[0036] Sensor body 20;

[0037] 30 idler rollers;

[0038] First end 301;

[0039] Second end 302;

[0040] The roller body 31;

[0041] Roller 311;

[0042] Hemispherical head 32;

[0043] Connecting rod 40;

[0044] Case 50;

[0045] Mounting cavity 51;

[0046] Elastic element 60. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0048] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, “an” or “a” and similar terms do not necessarily indicate a quantity limitation. Terms such as “comprising” or “including” mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0049] According to the first aspect of this utility model, a deviation sensor 100 is provided, such as... Figures 1 to 3 As shown, it includes:

[0050] A housing 10, which defines an internal receiving cavity 11, is fixedly connected to the conveyor and is located on the side near the belt.

[0051] The sensor body 20 is fixedly connected to the receiving cavity 11; for example, the sensor body 20 is an optical fiber sensor.

[0052] The idler roller 30 is movably connected to the housing 10, with its first end 301 located near the conveyor belt and its second end 302 located near the sensor body 20.

[0053] The idler roller 30 is capable of switching between a stop position against the sensor body 20 and a distance position away from the sensor body 20. When the idler roller 30 stops against the sensor body 20, the sensor body 20 converts the position of the idler roller 30 into an optical signal.

[0054] The working process of the misalignment sensor 100 is as follows:

[0055] When the belt is not misaligned, there is a certain gap between the belt and the idler roller 30, and the idler roller 30 is not in contact with the sensor body 20, that is, the idler roller 30 is in a far-away position. When the belt misaligns, the belt will contact the first end 301 of the idler roller 30 and squeeze the idler roller 30, thereby causing the idler roller 30 to deflect. When the idler roller 30 deflects at a certain angle, the second end 302 of the idler roller 30 contacts the fiber optic misalignment sensor 100 body, that is, the idler roller 30 is in a stop position. The fiber optic misalignment sensor 100 body emits a light signal, thereby warning that the conveyor belt is misaligned.

[0056] The misalignment sensor 100 offers a more compact and protective structure, reducing the intrusion of dust and other contaminants into the sensor's interior, thereby improving the sensor's durability and lifespan. Its simple structure facilitates detection and maintenance, and its ability to automatically return to its original position eliminates the need for manual operation, making it easy to use.

[0057] In one example of this utility model, it further includes: a connecting rod 40, which is telescopically connected in the through hole 13. When the conveyor belt deflects, the connecting rod 40 is driven by the idler roller 30 to move along the extension direction of the through hole 13 and abut against the sensor body 20; wherein, the through hole 13 communicating with the receiving cavity 11 is provided on the housing 10.

[0058] By setting the connecting rod 40, the external force of belt deviation borne by the idler roller 30 can be converted and transmitted to the connecting rod 40, so that the connecting rod 40 can move along the direction of extension of the through hole 13, thereby stopping against the sensor body 20 and causing it to emit a light signal.

[0059] Preferably, the connecting rod 40 has a T-shaped structure, with its upper end facing the hemispherical head 32 and its lower end facing the sensor body 20. This allows the connecting rod 40 to be easily inserted into the elastic member 60. Preferably, a connecting plate can also be provided at the lower end of the connecting rod 40 to increase the contact area with the sensor body 20 and improve the sensitivity of conveyor deviation detection.

[0060] In one example of this utility model, the idler roller 30 includes: an idler roller body 31 and a hemispherical head 32, the hemispherical head 32 being hinged to the housing 10. When the conveyor belt deflects, the idler roller 30 is driven to swing to drive the connecting rod 40 to move along the extension direction of the through hole 13.

[0061] Preferably, a roller 311 is provided on the roller body 31, which is pivotally connected to the roller body 31, so that when the roller body 31 is provided on both sides of the belt, it will be driven by the belt to rotate when it is in contact with the belt.

[0062] In other words, the hemispherical head 32 can swing in any direction on the housing 10, and the swing of the hemispherical head 32 can drive the connecting rod 40 to move along the extension direction of the through hole 13, thereby realizing the swing of the roller 30 into the linear movement of the connecting rod 40.

[0063] It should be noted that the hemispherical head 32 connection method is a mature existing technology, and will not be elaborated here.

[0064] In one example of this utility model, it also includes: a protective shell 50.

[0065] An installation cavity 51 is provided on it, the protective shell 50 is fixedly connected to the housing 10 and communicates with the through hole 13, and the hemispherical head 32 is hinged in the installation cavity 51;

[0066] In addition to facilitating the connection of the hemispherical head 32, the protective shell 50 also has the following effects: by setting the protective shell 50, it can support the roller 30 and further improve the reliability of the connection between the roller 30 and the housing 10; on the other hand, the protective shell 50 further protects the through hole 13 and further prevents dust and other contaminants from entering the sensor body 20.

[0067] For example, the protective shell 50 is connected to the housing 10 by fasteners such as bolts or screws.

[0068] Preferably, the inner contour of the upper end of the mounting cavity 51 is an arc-shaped structure adapted to the hemispherical head 32, thereby improving the fit between the mounting cavity 51 and the hemispherical head 32.

[0069] In one example of this utility model, it also includes: an elastic element 60.

[0070] One end of the elastic element 60 is fixedly connected to the through hole 13 and sleeved on the connecting rod 40. The configuration is such that the connecting rod 40 abuts against the hemispherical head 32 under the action of elastic force, and when the idler roller 30 moves from the away position to the abutting position, the elastic element 60 generates an elastic force that causes the idler roller 30 to return to the away position. For example, the elastic element 60 is a compression spring, one end of which is connected to the through hole 13, and the other end of which is connected to the connecting rod 40. Specifically, the upper end of the connecting rod 40 is provided with… There is a top plate, and a compression spring is sleeved on the connecting rod 40. One end of the spring abuts against the top plate, and the other end is fixed in the through hole 13. The elastic element 60 sleeved on the connecting rod 40 enables the connecting rod 40 to abut against the roller 30 under the action of elastic force, so that it can always be located in the mounting cavity 51 of the protective shell 50. At the same time, after the roller 30 swings, it drives the connecting rod 40, so that during the downward movement of the connecting rod 40, the compression spring also generates an elastic force that makes the connecting rod 40 return to its initial position.

[0071] In other words, when the belt is not misaligned, there is a certain gap between the belt and the idler roller 30, and the connecting rod 40 is not in contact with the sensor body 20, meaning the idler roller 30 is in a far-away position. When the belt misaligns, the belt will contact the first end 301 of the idler roller 30 and squeeze the idler roller 30, causing the idler roller 30 to deflect. When the idler roller 30 deflects at a certain angle, the second end 302 of the idler roller 30 drives the connecting rod 40 to contact the fiber optic misalignment sensor body 20, meaning the idler roller 30 is in a stop position. The fiber optic misalignment sensor body 20 emits a light signal, thereby warning that the conveyor belt is misaligned. At this time, the elastic element 60 generates an elastic force that causes the connecting rod 40 to return to its initial position. When the belt conveyor returns to normal, after the belt moves away from the idler roller 30, the misalignment sensor 100 has an automatic reset function under the action of the elastic element 60. The idler roller 30 and the connecting rod 40 are driven to move towards the idler roller 30 by the elastic force of the elastic element 60, thereby driving the idler roller 30 to move, and finally realizing that the idler roller 30 and the connecting rod 40 automatically return to the initial position.

[0072] In one example of this utility model, it also includes: an elastic element 60.

[0073] It is disposed between the connecting rod 40 and the housing 10, configured such that the connecting rod 40 abuts against the hemispherical head 32 under the action of elastic force, and when the idler roller 30 moves from the away position to the abutting position, the elastic element 60 generates an elastic force that causes the idler roller 30 to return to the away position. For example, the elastic element 60 is a spring sheet, one end of which is connected to the connecting rod 40 and the other end of which is connected to the housing 10, such that the spring sheet generates an elastic force that causes the connecting rod 40 to return to its initial position during the downward movement of the connecting rod 40.

[0074] An elastic element 60 is provided between the connecting rod 40 and the housing 60 so that the connecting rod 40 can resist the idler roller 30 under the action of elastic force, so that it can always be located in the mounting cavity 51 of the housing 50. At the same time, by providing the elastic element 60, the belt misalignment sensor 100 can also have an automatic reset function. When the belt conveyor returns to normal and the belt moves away from the idler roller 30, the idler roller 30 and the connecting rod 40 automatically return to the initial position by the elastic force of the spring. This reduces the need for manual intervention and improves the adaptability and reliability of the equipment.

[0075] In one example of this utility model, the elastic element 60 is one of the following: a compression spring, a tension spring, a spring sheet, and a rubber element.

[0076] In one example of this utility model, the housing 10 is fixedly connected to the conveyor by fasteners. The housing 10 and the conveyor are provided with at least one first connection hole 121 and at least one second connection hole respectively. The fasteners pass through the first connection hole 121 and the second connection hole in sequence.

[0077] The housing 10 can be reliably fixed to the conveyor using fasteners, and it is easy to assemble and disassemble.

[0078] Preferably, the housing 10 is connected to the conveyor by a plurality of fasteners, which are spaced apart along the circumferential direction of the housing 10.

[0079] In one example of this utility model, at least one ear plate 12 is formed on the housing 10, and the first connecting hole 121 or the second connecting hole is formed on the ear plate 12;

[0080] In short, the first connecting hole 121 or the second connecting hole is provided on the ear plate 12, so that fasteners can pass through the first connecting hole 121 or the second connecting hole of the ear plate 12.

[0081] Preferably, the ear plates 12 include a plurality of ear plates, which are spaced apart along the circumferential direction of the housing 10.

[0082] A mining belt conveyor according to a second aspect of the present invention includes a belt misalignment sensor 100 as described above.

[0083] When the belt of the belt conveyor is not misaligned, there is a certain gap between the belt and the idler roller 30, and the idler roller 30 is not in contact with the sensor body 20, that is, the idler roller 30 is in a far-away position. When the belt misaligns, the belt will contact the first end 301 of the idler roller 30 and squeeze the idler roller 30, thereby causing the idler roller 30 to deflect. When the idler roller 30 deflects at a certain angle, the second end 302 of the idler roller 30 can convert the external force of the belt misalignment on the idler roller 30 and transmit it to the connecting rod 40. That is, the second end 302 of the idler roller 30 drives the connecting rod 40 to move, so that the connecting rod 40 can move along the direction of extension of the through hole 13, thereby stopping it from contacting the fiber optic misalignment sensor body 20 on the sensor body 20. That is, the idler roller 30 is in the stopped position, and the fiber optic misalignment sensor body 20 emits a light signal, thereby warning that the belt of the conveyor is misaligned.

[0084] The belt conveyor misalignment sensor 100 of this utility model has an automatic reset function. When the belt conveyor returns to normal and the belt moves away from the idler roller 30, the idler roller 30 and the connecting rod 40 automatically return to their initial positions through the elastic force of the spring. This reduces the need for manual intervention and improves the adaptability and reliability of the equipment.

[0085] The belt conveyor of this utility model has been structurally optimized based on the existing technology. The protective shell 50 and the housing of the misalignment sensor 100 protect the connecting end of the idler roller 30, the connecting rod 40, and the fiber optic misalignment sensor body 20, providing a more compact and protective structure. This reduces the intrusion of dust and other contaminants into the sensor, thereby improving the sensor's durability and service life. Moreover, the structure is simple, easy to detect and maintain, and can automatically return to its original position, saving manual operation and making it convenient to use.

[0086] The foregoing description, with reference to preferred embodiments, details exemplary implementations of the belt misalignment sensor 100 and the mining belt conveyor proposed in this utility model. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the concept of this utility model, and various combinations can be made to the various technical features and structures proposed in this utility model without exceeding the protection scope of this utility model, which is determined by the appended claims.

Claims

1. A deviation sensor, characterized in that, include: A housing (10) having an internally defined receiving cavity (11) is fixedly connected to the conveyor and to the side near the belt. The sensor body (20) is fixedly connected to the receiving cavity (11); The idler roller (30) is movably connected to the housing (10), with its first end (301) located near the conveyor belt and its second end (302) located near the sensor body (20). The idler roller (30) is capable of switching between a stop position against the sensor body (20) and a distance position away from the sensor body (20), and when the idler roller (30) stops against the sensor body (20), the sensor body (20) converts the position of the idler roller (30) into an optical signal.

2. The belt misalignment sensor according to claim 1, characterized in that, It also includes: a connecting rod (40) which is telescopically connected in the through hole (13). When the conveyor belt deflects, the connecting rod (40) is driven by the idler roller (30) to move along the extension direction of the through hole (13) and abut against the sensor body (20); wherein the through hole (13) communicating with the receiving cavity (11) is provided on the housing (10).

3. The belt misalignment sensor according to claim 2, characterized in that, The idler (30) includes an idler body (31) and a hemispherical head (32), the hemispherical head (32) being hinged to the housing (10). When the conveyor belt deflects, the idler (30) is driven to swing to drive the connecting rod (40) to move along the extension direction of the through hole (13).

4. The belt misalignment sensor according to claim 3, characterized in that, Also includes: protective shell (50), An installation cavity (51) is provided on it. The protective shell (50) is fixedly connected to the housing (10) and communicates with the through hole (13). The hemispherical head (32) is hinged in the installation cavity (51).

5. The belt misalignment sensor according to claim 2, characterized in that, It also includes: elastic element (60). One end of it is fixedly connected to the through hole (13) and sleeved on the connecting rod (40), configured such that the connecting rod (40) abuts against the hemispherical head (32) under the action of elastic force, and when the idler roller (30) moves from the away position to the abutting position, the elastic element (60) generates an elastic force that causes the idler roller (30) to return to the away position.

6. The belt misalignment sensor according to claim 2, characterized in that, It also includes: elastic element (60). It is disposed between the connecting rod (40) and the housing (10), configured such that the connecting rod (40) abuts against the hemispherical head (32) under the action of elastic force, and when the idler roller (30) moves from the remote position to the abutting position, the elastic element (60) generates an elastic force that causes the idler roller (30) to return to the remote position.

7. The belt misalignment sensor according to claim 6, characterized in that, The elastic element (60) is one of the following: compression spring, tension spring, spring sheet, and rubber element.

8. The belt misalignment sensor according to claim 1, characterized in that, The housing (10) is fixedly connected to the conveyor by fasteners. The housing (10) and the conveyor are provided with at least one first connection hole (121) and at least one second connection hole respectively. The fasteners pass through the first connection hole (121) and the second connection hole in sequence.

9. The belt misalignment sensor according to claim 8, characterized in that, At least one ear plate (12) is formed on the housing (10), and the first connection hole (121) or the second connection hole is formed on the ear plate (12).

10. A mining belt conveyor, characterized in that, Includes the deviation sensor (100) as described in any one of claims 1 to 9.

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