Belt breakage protector and belt conveying system

Abstract

The utility model relates to a belt breakage protector and a belt conveying system. The belt breakage protector comprises a mounting piece, a pressing rod, a connecting piece, a magnetic block and a proximity sensor. The extension direction of the pressing rod is the same as the width direction of the conveying belt, the pressing rod is connected with the connecting piece, the connecting piece is rotatably arranged on the mounting piece between a normal position and an alarm position, and the rotating axis of the connecting piece is separated from the pressing rod, so that the connecting piece moves from the normal position to the alarm position when the pressing rod bears the falling conveying belt; the magnetic block is arranged on the connecting piece; the proximity sensor is arranged on the installation part, and at the alarm position, the detection end of the proximity sensor is opposite to the magnetic block in the extension direction of the pressing rod. According to the belt breakage protector, the magnetic block and the proximity sensor are matched to monitor the position of the pressing rod, the belt breakage protector is simple in structure, convenient to install and low in manufacturing cost, the belt breakage condition can be accurately alarmed, and the false alarm rate is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor broken belt detection technical field especially a kind of broken belt protector and belt conveying system. BACKGROUND

[0002] In related art, the broken detection of the conveying belt of belt conveyor uses a pair of detectors, the pair of detectors is connected by two steel wires, one end of the wire is fixed on a support frame, the other end is connected to the rocker arm of a tearing switch, and the two steel wires form a closed loop below the belt, when an object or torn belt is suspended and sweeps one or two steel wires, the tearing switch rocker arm is pulled to make the switch act to send alarm or stop signal, and the switch is automatically reset after the fault is handled. However, the detector needs to be installed in pairs, and the steel wire needs to be tied on the buckle during installation, which is troublesome. SUMMARY

[0003] The utility model aims at at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model proposes a broken belt protector, which uses the cooperation of magnetic block and proximity sensor to monitor the position of pressure rod, not only simple structure, easy installation, low cost, but also accurate alarm for broken belt condition, low false alarm rate.

[0004] The embodiment of the utility model proposes a belt conveying system.

[0005] The broken belt protector of the embodiment of the utility model comprises mounting piece, pressure rod, connecting piece, magnetic block and proximity sensor. The extension direction of the pressure rod is the same as the width direction of the conveying belt, the pressure rod is connected with the connecting piece, the connecting piece is rotatably arranged on the mounting piece between normal position and alarm position, the rotation axis of the connecting piece is spaced apart from the pressure rod, so that the connecting piece moves from the normal position to the alarm position when the pressure rod bears the falling conveying belt, the magnetic block is arranged on the connecting piece, and the proximity sensor is arranged on the mounting piece. In the alarm position, the detection end of the proximity sensor and the magnetic block are opposite in the extension direction of the pressure rod.

[0006] The broken belt protector of the embodiment of the utility model uses the cooperation of magnetic block and proximity sensor to monitor the position of pressure rod, not only simple structure, easy installation, low cost, but also accurate alarm for broken belt condition, low false alarm rate.

[0007] In some embodiments, the mounting piece comprises:

[0008] The mounting shell is provided with shaft hole and mounting hole, and the proximity sensor is arranged in the mounting hole;

[0009] A first rotating shaft is rotatably arranged in the shaft hole, and the first rotating shaft is connected with the connecting member;

[0010] An elastic member is connected at one end with the mounting shell and at the other end with the first rotating shaft so that the connecting member is in the normal position.

[0011] In some embodiments, the mounting shell is provided with a limiting groove, the first rotating shaft is provided with a limiting hole, the one end of the elastic member is located in the limiting groove, and the other end of the elastic member is located in the limiting hole.

[0012] In some embodiments, the limiting hole has a plurality of limiting holes arranged along the circumference of the first rotating shaft to form a limiting hole ring, and a plurality of limiting hole rings are arranged along the axial direction of the first rotating shaft.

[0013] In some embodiments, the elastic member is a spring, and the mounting shell is provided with a mounting ring at the position of the shaft hole, and the spring is sleeved on the mounting ring.

[0014] In some embodiments, the mounting member further comprises a limiting strip and a limiting column, both of which are arranged on the mounting shell, and the limiting strip and the limiting column are respectively located on both sides of the connecting member, in the normal position, one side of the connecting member abuts against the limiting column, and in the alarm position, the other side of the connecting member abuts against the limiting column.

[0015] In some embodiments, the connecting member comprises a first connecting rod and a first connecting plate, one end of the first connecting rod is connected with one end of the pressing rod, the extension direction of the first connecting rod intersects with the extension direction of the pressing rod, the first connecting plate comprises a first plate body, a second plate body and a third plate body, the first plate body, the second plate body and the third plate body are connected in sequence, the first plate body is perpendicular to the first connecting rod, the first plate body is bolted to the other end of the first connecting rod, the third plate body is perpendicular to the first rotating shaft, and the third plate body is bolted to the first rotating shaft.

[0016] In some embodiments, the second plate body comprises a first plate segment, a second plate segment and a third plate segment, one end of the first plate segment is connected with the first plate body, the other end of the first plate segment is connected with one end of the second plate segment, the other end of the second plate segment is connected with the third plate body, the magnetic block is arranged on the side of the first plate segment adjacent to the mounting shell, and the third plate segment is connected with the first plate segment, in the normal position, the third plate segment and the proximity sensor are opposite in the extension direction of the pressing rod.

[0017] In some embodiments, the mounting member further comprises:

[0018] a bearing seat, the bearing seat and the mounting shell being respectively located at two sides of the pressing rod;

[0019] a second rotating shaft, the second rotating shaft being rotatably arranged on the bearing seat;

[0020] the connecting piece further comprises a second connecting rod and a second connecting plate, one end of the second connecting rod being connected with the other end of the pressing rod, the extending direction of the second connecting rod being crossed with the extending direction of the pressing rod, the second connecting plate comprising a fourth plate body and a fifth plate body connected with each other, the fourth plate body being perpendicular to the second connecting rod, the fourth plate body being bolted with the second connecting rod, the fifth plate body being perpendicular to the second rotating shaft, and the fifth plate body being bolted with the second rotating shaft.

[0021] In some embodiments, the included angle between the connecting piece in the normal position and the connecting piece in the alarm position is α, and α ranges from 30° to 60°.

[0022] The belt conveying system provided by the embodiment of the present application comprises a belt conveyor and a belt breakage protector, the belt conveyor has a conveying belt, the belt breakage protector is the belt breakage protector in any one of the embodiments, the pressing rod is located below the conveying belt, and in the movement direction of the part of the conveying belt adjacent to the pressing rod, the alarm position of the connecting piece is located downstream of the normal position. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the belt breakage protector according to the embodiment of the present application;

[0024] Figure 2 is a structural schematic view of the belt breakage protector according to the embodiment of the present application;

[0025] Figure 3 is a structural schematic view of the belt breakage protector according to the embodiment of the present application on the side of the pressing rod;

[0026] Figure 4 is a sectional structural schematic view of the belt breakage protector according to the embodiment of the present application on the side of the pressing rod;

[0027] Figure 5 is a structural schematic view of the mounting shell according to the embodiment of the present application;

[0028] Figure 6 is a structural schematic view of the mounting shell according to the embodiment of the present application;

[0029] Figure 7 is a structural schematic view of the first connecting plate according to the embodiment of the present application;

[0030] Figure 8 Figure 1 is a structural schematic view of a first rotating shaft according to an embodiment of the present application;

[0031] Reference signs:

[0032] 100, belt breakage protector;

[0033] 1, mounting member; 11, mounting housing; 111, limiting groove; 112, shaft hole; 113, mounting hole; 114, protrusion; 115, mounting ring; 12, first rotating shaft; 121, limiting hole; 13, elastic member; 14, limiting strip; 15, limiting column; 16, bearing seat; 17, second rotating shaft;

[0034] 2, pressure rod;

[0035] 3, connecting member; 31, first connecting plate; 311, first plate body; 3111, first through hole; 312, second plate body; 3121, first plate segment; 3122, second plate segment; 3123, third plate segment; 313, third plate body; 3131, second through hole; 32, first connecting rod; 33, second connecting rod; 34, second connecting plate; 341, fourth plate body; 3411, third through hole; 342, fifth plate body;

[0036] 4, magnetic block; 5, proximity sensor. DETAILED DESCRIPTION

[0037] Embodiments of the present application will be described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0038] The belt breakage protector 100 and the belt conveying system according to the embodiments of the present application will be described in detail below with reference to the drawings.

[0039] As shown in Figures 1 to 8 , the belt breakage protector 100 according to the embodiments of the present application includes a mounting member 1, a pressure rod 2, a connecting member 3, a magnetic block 4, and a proximity sensor 5.

[0040] The extension direction (e.g., the left-right direction in Figure 1 ) of the pressure rod 2 is the same as the width direction of the conveying belt. The pressure rod 2 is connected to the connecting member 3, which is rotatably provided on the mounting member 1 between a normal position and an alarm position, and the rotation axis of the connecting member 3 is spaced apart from the pressure rod 2 so that the connecting member 3 moves from the normal position to the alarm position when the pressure rod 2 bears the fallen conveying belt. The magnetic block 4 is provided on the connecting member 3. The proximity sensor 5 is provided on the mounting member 1, and in the alarm position, the detection end of the proximity sensor 5 is opposite to the magnetic block 4 in the extension direction of the pressure rod 2.

[0041] The belt conveyor system of this embodiment includes a belt conveyor (not shown) and a belt breakage protector 100. The belt conveyor has a conveyor belt. A pressure bar 2 is located below the conveyor belt. In the direction of movement of the portion of the conveyor belt adjacent to the pressure bar 2, the alarm position of the connector 3 is downstream of the normal position.

[0042] For example, with Figure 2 The direction shown is the reference. The pressure bar 2 extends in the left-right direction. The belt breakage protector 100 is located below the conveyor belt. The conveyor belt adjacent to the pressure bar 2 moves from front to back. The alarm position is located behind the normal position. When the conveyor belt breaks, it falls. Due to the inertia of the conveyor belt, it falls backward and downward, landing on the pressure bar 2. The pressure bar 2 moves backward under the movement of the conveyor belt and gravity, causing the connecting piece 3 to rotate clockwise. The magnetic block moves synchronously with the connecting piece 3, moving the connecting piece 3 from the normal position to the alarm position. The magnetic block 4 moves until it is directly opposite the detection end of the proximity sensor 5 in the extension direction of the pressure bar 2, triggering the proximity sensor 5 to activate and issue an alarm signal. To handle the fault, after removing the conveyor belt from the pressure bar 2, push the pressure bar 2 to reset it, causing the connecting piece 3 to move from the alarm position to the normal position. The proximity sensor 5 will then automatically reset.

[0043] The belt breakage protector 100 of this embodiment uses a pressure rod 2 to support the falling conveyor belt, transferring part of the belt's motion and gravity to the connecting member 3. This causes the connecting member 3 to move from its normal position to the alarm position. The movement of the connecting member 3 is detected by the cooperation of a magnetic block 4 and a proximity sensor 5. When the magnetic block moves from a position offset from the proximity sensor 5 to a position directly opposite it, the proximity sensor 5 is triggered to sound an alarm, thus achieving belt breakage monitoring of the conveyor belt. Furthermore, the monitoring by the magnetic block 4 and the proximity sensor 5 is stable and reliable, and the proximity sensor 5 is not easily affected by other metal parts in the environment. This allows the belt breakage protector 100 of this embodiment to accurately alarm for belt breakage with a low false alarm rate.

[0044] Therefore, the belt breakage protector 100 of this utility model uses the cooperation of magnetic block 4 and proximity sensor 5 to monitor the position of pressure rod 2. It is not only simple in structure and easy to install, but also low in cost. It can also accurately alarm the belt breakage situation with a low false alarm rate.

[0045] Therefore, the belt conveyor system of this utility model embodiment can accurately alarm for belt breakage and has a low false alarm rate.

[0046] In some embodiments, the mounting component 1 includes a mounting shell 11, a first rotating shaft 12, and an elastic element 13.

[0047] The mounting shell 11 is provided with an axle hole 112 and a mounting hole 113, and the proximity sensor 5 is arranged in the mounting hole 113. Specifically, the proximity sensor 5 is a proximity switch with a threaded shell, and the mounting hole 113 is a threaded hole. The proximity sensor 5 is threadedly connected and matched in the mounting hole 113 and is fastened by a nut.

[0048] The first rotating shaft 12 is rotatably arranged in the axle hole 112, and the first rotating shaft 12 is connected with the connecting piece 3. One end of the elastic piece 13 is connected with the mounting shell 11, and the other end of the elastic piece 13 is connected with the first rotating shaft 12 so that the connecting piece 3 is located at the normal position. The elastic piece 13 has elasticity and can be deformed. When the elastic piece 13 is installed, the elastic piece 13 is connected with the mounting shell 11 and the first rotating shaft 12, so that the elastic piece 13 accumulates a certain elastic force, ensures that the connecting piece 3 on the first rotating shaft 12 is located at the normal position, avoids that the pressing rod 2 and the first connecting piece 3 are affected by their own gravity, wind, impurities and other factors in the environment to rotate, thereby avoiding false reporting of the proximity sensor 5, reducing the false reporting rate, and improving the accuracy of the belt breakage monitor and alarm of the belt breakage protector 100 of the embodiment of the utility model. Moreover, after the fault is removed and the conveying belt is separated from the pressing rod 2, the elastic force of the elastic piece 13 can drive the first rotating shaft 12, the connecting piece 3 and the pressing rod 2 to automatically reset, thereby reducing the operation process of personnel.

[0049] In some embodiments, as shown in Figure 4 and Figure 6 The mounting shell 11 is provided with a limiting groove 111, and the first rotating shaft 12 is provided with a limiting hole 121. One end of the elastic piece 13 is located in the limiting groove 111, and the other end of the elastic piece 13 is located in the limiting hole 121.

[0050] Specifically, the elastic piece 13 is located on the inner side of the mounting shell 11, and the inner side of the mounting shell 11 is provided with two protrusions 114. The limiting groove 111 is formed between the two protrusions 114.

[0051] In some embodiments, as shown in Figure 4 and Figure 8 The limiting hole 121 has a plurality of limiting holes 121. The plurality of limiting holes 121 are arranged in a circle along the circumference of the first rotating shaft 12 to form a limiting hole circle, and a plurality of limiting hole circles are arranged in the axial direction of the first rotating shaft 12. The arrangement of the plurality of limiting holes 121 allows the position of the other end of the elastic piece 13 to be adjustable, so that the initial accumulated elastic force of the elastic piece 13 can be adjusted, thereby adapting to the pressing rod 2, the connecting piece 3 and the first rotating shaft 12 of different weights, adapting to different angles between the normal position and the alarm position, and making the adaptability and reliability of the belt breakage protector 100 of the embodiment of the utility model good.

[0052] In some embodiments, the elastic member 13 is a spring, the mounting shell 11 is provided with a mounting ring 115 at the position of the shaft hole 112, and the spring is sleeved on the mounting ring 115. The spring has simple structure, convenient installation, and low cost, which is conducive to reducing the cost of the broken belt protector 100 of the embodiment of the utility model and improving the convenience of installation of the broken belt protector 100.

[0053] Specifically, among the plurality of limiting holes 121, the diameters of at least two limiting holes 121 are different, so as to adapt to the installation of springs with different diameters, and further improve the adaptability and reliability of the broken belt protector 100 of the embodiment of the utility model.

[0054] In some embodiments, as shown in Figures 2 to 5 The mounting member 1 further includes a limiting strip 14 and a limiting column 15, both of which are arranged on the mounting shell 11 and are located on the two sides of the connecting member 3. In the normal position, one side of the connecting member 3 abuts against the limiting column 15, and in the alarm position, the other side of the connecting member 3 abuts against the limiting column 15. The limiting strip 14 can limit the rotation direction of the connecting member 3. On the one hand, even if the force exerted by the elastic member 13 on the first rotating shaft 12 has a tendency to drive the first rotating shaft 12 to rotate in the direction of the limiting strip 14, the stability of the connecting member 3 in the normal position can be ensured, and on the other hand, when impacted by the falling conveying belt, the pressure rod 2 can be ensured to move to the alarm position.

[0055] In some embodiments, as shown in Figure 5 The angle between the connecting member 3 in the normal position and the connecting member 3 in the alarm position is α, and the range of α is 30°-60°. That is to say, after the conveying belt falls on the pressure rod 2 and drives the connecting member 3 to rotate by an angle of α, the magnetic block 4 rotates by an angle of α, and the range of α is 30°-60°, so that the angle between the normal position and the alarm position is small, the connecting member 3 quickly moves to the alarm position, so that the magnetic block 4 quickly moves to the position corresponding to the proximity sensor 5, and then an alarm is given. Moreover, after the fault is solved, the small rotation angle is also conducive to the automatic rotation of the connecting member 3 under the driving of the elastic member 13.

[0056] In some embodiments, the connecting piece 3 comprises a first connecting rod 32 and a first connecting plate 31. One end (upper end) of the first connecting rod 32 is connected with one end (right end) of the pressing rod 2, and the extending direction of the first connecting rod 32 intersects with the extending direction of the pressing rod 2. The first connecting plate 31 comprises a first plate body 311, a second plate body 312 and a third plate body 313 which are connected in sequence, the first plate body 311 is perpendicular to the first connecting rod 32, the first plate body 311 is bolted with the other end of the first connecting rod 32, the third plate body 313 is perpendicular to the first rotating shaft 12, and the third plate body 313 is bolted with the first rotating shaft 12.

[0057] Specifically, the first plate body 311 is provided with a first through hole 3111, the other end of the first connecting rod 32 is provided with a first threaded section, the first threaded section of the first connecting rod 32 is arranged in the first through hole 3111, and a nut is used to fasten the first threaded section and the first plate body 311. The third plate body 313 is provided with a second through hole, the second through hole 3131 is a square hole, the first rotating shaft 12 is provided with a second threaded section, the second threaded section is arranged in the second through hole 3131, and a nut is used to fasten the second threaded section and the third plate body 313.

[0058] The connecting mode of the first connecting rod 32 and the first plate body 311 is simple, and the connecting mode of the first rotating shaft 12 and the third plate body 313 is simple, thereby facilitating further improvement of the installation convenience of the broken belt protector 100.

[0059] Specifically, the first connecting rod 32 is perpendicular to the pressing rod 2. The first connecting rod 32 and the pressing rod 2 are an integral structure.

[0060] Specifically, in the normal position, the pressing rod 2 is located at the highest point, and the first connecting rod 31 and the third plate body 313 are both in a vertical state.

[0061] In some embodiments, the second plate body 312 comprises a first plate section 3121, a second plate section 3122 and a third plate section 3123, one end (upper end) of the first plate section 3121 is connected with the first plate body 311, the other end (lower end) of the first plate section 3121 is connected with one end of the second plate section 3122, the other end of the second plate section 3122 is connected with the third plate body 313, and the magnetic block 4 is arranged on one side of the first plate section 3121 adjacent to the mounting shell 11, as shown in the figure, the magnetic block 4 is located on the right side of the first plate section 3121. Figure 1 The third plate section 3123 is connected with the first plate section 3121, and in the normal position, the third plate section 3123 is opposite to the proximity sensor 5 in the extending direction of the pressing rod 2, thereby forming protection for the proximity sensor 5, avoiding impurities in the environment from colliding on the detection end head of the proximity sensor 5, thereby improving the safety of the proximity sensor 5 and improving the reliability of the power-off protector of the embodiment of the utility model.

[0062] In some embodiments, the mounting member 1 further comprises a bearing seat 16 and a second rotating shaft 17. The bearing seat 16 and the mounting shell 11 are respectively located on both sides of the pressing rod 2, that is, the bearing seat 16 is located on the other end (left end) of the pressing rod 2, and the second rotating shaft 17 is rotatably arranged on the bearing seat 16. The connecting member 3 further comprises a second connecting rod 33 and a second connecting plate 34. One end (upper end) of the second connecting rod 33 is connected to the other end (left end) of the pressing rod 2, and the extending direction of the second connecting rod 33 intersects with the extending direction of the pressing rod 2. The second connecting plate 34 comprises a fourth plate body 341 and a fifth plate body 342 connected to each other. The fourth plate body 341 is perpendicular to the second connecting rod 33, and the fourth plate body 341 is bolted to the second connecting rod 33. The fifth plate body 342 is perpendicular to the second rotating shaft 17, and the fifth plate body 342 is bolted to the second rotating shaft 17.

[0063] The bearing seat 16 and the mounting shell 11 form supports on both sides of the pressing rod 2, which can ensure the stability and impact resistance of the pressing rod 2, and avoid the pressing rod 2 from being skewed during use to affect the contact effect with the broken belt.

[0064] Specifically, the fourth plate body 341 is provided with a third through hole 3411, and the other end (lower end) of the second connecting rod 33 is provided with a third threaded section. The third threaded section of the second connecting rod 33 is arranged in the third through hole 3411, and a nut is used to fasten the third threaded section and the fourth plate body 341.

[0065] Specifically, the third through hole 3411 is a strip-shaped hole, and the position of the third threaded section in the third through hole can be adjusted, so that the position of the bearing seat 16 can be adjusted, facilitating the installation of the bearing seat 16 on the work site.

[0066] The fifth plate body 342 is provided with a fourth through hole, and the second rotating shaft 17 is provided with a fourth threaded section. The fourth threaded section is arranged in the fourth through hole, and a nut is used to fasten the fourth threaded section and the fifth plate body 342.

[0067] The connection mode of the second connecting rod 33 and the fourth plate body 341 is simple, and the connection mode of the second rotating shaft 17 and the fifth plate body 342 is simple, thereby facilitating the further improvement of the convenience of installation of the broken belt protector 100.

[0068] Specifically, the second connecting rod 33 is perpendicular to the pressing rod 2. The second connecting rod 33 and the pressing rod 2 are an integral structure.

[0069] In the description of the utility model, it is understood that the orientation or positional relationship indicated by 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 is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0070] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0071] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0072] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0073] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the skilled person in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0074] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A tape breakage protector (100), characterized in that, include: Mounting component (1); A pressure bar (2) and a connector (3) are provided. The extension direction of the pressure bar (2) is the same as the width direction of the conveyor belt. The pressure bar (2) is connected to the connector (3). The connector (3) is rotatably mounted on the mounting piece (1) between a normal position and an alarm position. The rotation axis of the connector (3) is spaced apart from the pressure bar (2) so that the connector (3) moves from the normal position to the alarm position when the pressure bar (2) bears the falling conveyor belt. Magnetic block (4), said magnetic block (4) is disposed on the connector (3); and A proximity sensor (5) is mounted on the mounting (1). At the alarm position, the detection end of the proximity sensor (5) is opposite to the magnetic block (4) in the extension direction of the pressure rod (2).

2. The tape breakage protector (100) according to claim 1, characterized in that, The mounting component (1) includes: Mounting housing (11), the mounting housing (11) is provided with shaft hole (112) and mounting hole (113), the proximity sensor (5) is disposed in the mounting hole (113); A first rotating shaft (12) is rotatably disposed in the shaft hole (112) and is connected to the connector (3); An elastic element (13) is provided, one end of which is connected to the mounting shell (11), and the other end of which is connected to the first rotating shaft (12) so that the connector (3) is in the normal position.

3. The belt breakage protector (100) according to claim 2, characterized in that, The mounting shell (11) is provided with a limiting groove (111), and the first rotating shaft (12) is provided with a limiting hole (121). One end of the elastic member (13) is located in the limiting groove (111), and the other end of the elastic member (13) is located in the limiting hole (121). There are a plurality of limiting holes (121), and the plurality of limiting holes (121) are arranged at intervals along the circumference of the first rotating shaft (12) to form a ring of limiting holes. The multiple rings of limiting holes are arranged at intervals along the axial direction of the first rotating shaft (12).

4. The tape breakage protector (100) according to claim 3, characterized in that, The elastic element (13) is a spring, and the mounting shell (11) has a mounting ring (115) at the position of the shaft hole (112), and the spring is sleeved on the mounting ring (115).

5. The belt breakage protector (100) according to claim 2, characterized in that, The mounting component (1) further includes a limiting strip (14) and a limiting post (15), both of which are provided on the mounting housing (11). The limiting strip (14) and the limiting post (15) are located on both sides of the connector (3). In the normal position, one side of the connector (3) abuts against the limiting post (15), and in the alarm position, the other side of the connector (3) abuts against the limiting post (15).

6. The belt breakage protector (100) according to claim 2, characterized in that, The connector (3) includes a first connecting rod (32) and a first connecting plate (31). One end of the first connecting rod (32) is connected to one end of the pressure rod (2). The extension direction of the first connecting rod (32) intersects the extension direction of the pressure rod (2). The first connecting plate (31) includes a first plate body (311), a second plate body (312), and a third plate body (313). The first plate body (311), the second plate body (312), and the third plate body (313) are connected in sequence. The first plate body (311) is perpendicular to the first connecting rod (32). The first plate body (311) is bolted to the other end of the first connecting rod (32). The third plate body (313) is perpendicular to the first rotating shaft (12). The third plate body (313) is bolted to the first rotating shaft (12).

7. The tape breakage protector (100) according to claim 6, characterized in that, The second plate (312) includes a first plate segment (3121), a second plate segment (3122), and a third plate segment (3123). One end of the first plate segment (3121) is connected to the first plate (311), the other end of the first plate segment (3121) is connected to one end of the second plate segment (3122), and the other end of the second plate segment (3122) is connected to the third plate (313). The magnetic block (4) is located on the side of the first plate segment (3121) adjacent to the mounting shell (11). The third plate segment (3123) is connected to the first plate segment (3121). In the normal position, the third plate segment (3123) and the proximity sensor (5) are opposite each other in the extension direction of the pressure rod (2).

8. The tape breakage protector (100) according to claim 6, characterized in that, The mounting component (1) further includes: The bearing housing (16) and the mounting shell (11) are located on both sides of the pressure rod (2); The second rotating shaft (17) is rotatably mounted on the bearing seat (16); The connector (3) further includes a second connecting rod (33) and a second connecting plate (34). One end of the second connecting rod (33) is connected to the other end of the pressure rod (2). The extension direction of the second connecting rod (33) intersects the extension direction of the pressure rod (2). The second connecting plate (34) includes a fourth plate (341) and a fifth plate (342) connected together. The fourth plate (341) is perpendicular to the second connecting rod (33) and is bolted to the second connecting rod (33). The fifth plate (342) is perpendicular to the second rotating shaft (17) and is bolted to the second rotating shaft (17).

9. The tape breakage protector (100) according to claim 1, characterized in that, The angle between the connector (3) in the normal position and the connector (3) in the alarm position is α, and the range of α is 30°-60°.

10. A belt conveyor system, characterized in that, include: A belt conveyor having a conveyor belt; A belt breakage protector (100), wherein the belt breakage protector (100) is the belt breakage protector (100) according to any one of claims 1 to 9, wherein the pressure bar (2) is located below the conveyor belt, and in the direction of movement of the portion of the conveyor belt adjacent to the pressure bar (2), the alarm position of the connector (3) is located downstream of the normal position.

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