Rotary damping type mining intrinsic safety leather type belt longitudinal tearing sensor for coal mine

Abstract

The utility model relates to the technical field of tearing sensors, and provides a rotary damping type mining intrinsic safety belt longitudinal tearing sensor for a coal mine, which comprises a material receiving frame, a sensor rotating rod is rotatably connected in the material receiving frame, and a scraping component for cleaning the inner wall of the material receiving frame is fixedly mounted on the outer side of the sensor rotating rod. A limiting assembly used for limiting the scraping position of the scraping assembly is arranged on the inner side wall of the material receiving frame, and a sensor driving machine used for driving the sensor rotating rod to rotate is fixedly installed on the outer side of the material receiving frame. According to the rotary damping type mining intrinsic safety leather type belt longitudinal tearing sensor for the coal mine, the arranged driving assembly can drive the discharging plate to discharge the coal mine falling from the interior of the receiving frame outwards, and while the scraping assembly performs the cleaning function, the auxiliary plate and the scraping assembly interact to clean the surface of the coal mine; residues of a coal mine are reduced, and then the problem that when the belt is replaced, the sensor needs to be detached and cleaned tediously is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tear sensors, and in particular to a rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines. Background Art

[0002] The mining intrinsically safe belt longitudinal tear sensor is mainly used to protect the belt conveyor in underground coal mines after the belt is longitudinally torn during use.

[0003] A Chinese patent discloses a rotary belt longitudinal tear sensor for coal mines, with the publication number CN215046402U. The patent states that "it includes a sensor housing, a sensor transmission rod, a rotating blade, a cable clamping nut, a material receiving box, a housing fixing nut and a transmission rod fixing seat, wherein the sensor transmission rod is arranged on the sensor housing, the rotating blade is arranged on the sensor transmission rod, the cable clamping nut is arranged on the sensor housing, and the material receiving box is arranged on the sensor transmission rod." The sensor is used to detect and sense the coal dropped when the belt is torn longitudinally through the material receiving box. However, since there will be coal residue inside the sensor after the coal drops, the sensor needs to be disassembled and cleaned synchronously after the belt is replaced, which increases the complexity of belt replacement. Utility Model Content

[0004] The utility model aims to provide a rotary damping intrinsically safe leather belt longitudinal tear sensor for coal mines, which solves the problem in the related art that the sensor needs to be disassembled and cleaned synchronously after the belt is replaced, which increases the complexity of belt replacement.

[0005] The technical solution of the utility model is as follows:

[0006] A rotary damping mining intrinsically safe leather belt longitudinal tear sensor for coal mines comprises a material receiving frame, the interior of the material receiving frame is rotatably connected to a sensor rotating rod, a scraping assembly for cleaning the inner wall of the material receiving frame is fixedly installed on the outer side of the sensor rotating rod, the inner side wall of the material receiving frame is provided with a limiting assembly for limiting the scraping position of the scraping assembly, a sensor driving machine for driving the sensor rotating rod to rotate is fixedly installed on the outer side of the material receiving frame, the bottom end of the material receiving frame is rotatably connected to two discharge rods, the outer sides of the two discharge rods are fixedly provided with discharge plates for discharging coal, the inner side wall of the material receiving frame is also rotatably connected to an auxiliary rotating rod, the outer side of the auxiliary rotating rod is fixedly provided with an auxiliary plate for assisting in cleaning the scraping assembly, and driving assemblies are provided on both sides of the material receiving frame for driving the discharge rod and the auxiliary rotating rod to rotate.

[0007] Preferably, the scraping assembly includes four limiting rods, and a plurality of outer plates are fixedly installed on the outer sides of the four limiting rods. The inner side walls of the outer plates are slidably connected to the inner plates, and the other ends of the inner plates are fixedly connected to the outer sides of the sensor rotating rods.

[0008] Preferably, the scraping assembly further comprises two limit springs fixedly mounted on the inner wall of the outer plate, and the other ends of the two limit springs are fixedly connected to one end of the inner plate.

[0009] Preferably, the limiting assembly comprises limiting plates slidably connected to both sides of the inner wall of the material receiving frame, and push rods are fixedly installed on both sides of the inner wall of the material receiving frame.

[0010] Preferably, the limiting assembly further comprises two displacement screws rotatably connected to the outer side of the limiting plate, a first linkage wheel is fixedly mounted on one end of the two displacement screws, and a first belt is sleeved on the outer side of the first linkage wheel.

[0011] Preferably, the driving assembly includes a plurality of transition rods rotatably connected to the outside of the material receiving frame, one end of the plurality of transition rods and both ends of the discharge rods are fixedly installed with linkage gears, the other end of the transition rods, the discharge rod and both ends of the auxiliary rotating rod are fixedly installed with a second linkage wheel, and the outer sides of the second linkage wheel are respectively sleeved with a second belt and a third belt.

[0012] Preferably, the driving assembly also includes an outer cover fixedly mounted on the outside of the material receiving frame, the inner side wall of the outer cover is rotatably connected to one end of the transition rod, and the inner side wall of the outer cover is rotatably connected to one end of the displacement screw, wherein one end of the transition rod and the displacement screw are both fixedly mounted with an operating rotating rod.

[0013] Preferably, a bottom plate is fixedly mounted on the bottom end of the receiving frame, and a return spring is rotatably connected between the bottom plate and the discharge plate.

[0014] Beneficial effects of the utility model:

[0015] The driving component that is set up can drive the discharge plate to discharge the coal that falls from the inside of the receiving frame to the outside, and at the same time, through the action of the limit component, the sensor rotating rod can drive the scraper component to clean and scrape the inner wall of the receiving frame according to the required situation when rotating, or monitor the belt tearing situation through the rotation of the scraper component on the inner wall of the receiving frame, and while the scraper component is cleaning, the auxiliary plate and the scraper component interact with each other to clean its surface, thereby reducing the residual coal, thereby solving the problem of tedious steps of disassembling and cleaning the sensor when replacing the belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the drive assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the material connection frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the outer panel of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0022] In the figure: 1. material receiving frame; 11. bottom plate; 12. reset spring; 2. sensor rotating rod; 3. scraping assembly; 31. limit rod; 32. outer plate; 33. inner plate; 34. limit spring; 4. limit assembly; 41. limit plate; 42. push rod; 43. displacement screw; 44. first linkage wheel; 45. first belt; 5. sensor driving machine; 6. discharge rod; 61. discharge plate; 7. auxiliary rotating rod; 71. auxiliary plate; 8. driving assembly; 81. transition rod; 82. linkage gear; 83. second linkage wheel; 84. second belt; 85. third belt; 86. outer cover; 87. operating rotating rod. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 , Figure 2 as well as Figure 3The present embodiment proposes a rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines, comprising a material receiving frame 1, the interior of the material receiving frame 1 is rotatably connected to a sensor rotating rod 2, a scraping assembly 3 for cleaning the inner wall of the material receiving frame 1 is fixedly installed on the outer side of the sensor rotating rod 2, a limiting assembly 4 for limiting the scraping position of the scraping assembly 3 is arranged on the inner side wall of the material receiving frame 1, a sensor driving machine 5 for driving the sensor rotating rod 2 to rotate is fixedly installed on the outer side of the material receiving frame 1, and two discharge rods are rotatably connected to the bottom end of the material receiving frame 1. Rod 6, the outer side of the two discharge rods 6 is fixedly installed with a discharge plate 61 for discharging coal mines, the inner side wall of the material receiving frame 1 is also rotatably connected with an auxiliary rotating rod 7, and the outer side of the auxiliary rotating rod 7 is fixedly installed with an auxiliary 71 for assisting the cleaning and scraping component 3. Both sides of the material receiving frame 1 are provided with a driving component 8 for driving the discharge rod 6 and the auxiliary rotating rod 7 to rotate. When the sensor is used to monitor the longitudinal tearing of the intrinsically safe leather belt for coal mines, the sensor driving machine 5 drives the sensor rotating rod 2 to rotate inside the material receiving frame 1. When there is a longitudinal tear in the intrinsically safe belt, the coal falls downward and is detected by the sensor, which transmits a signal to the transmission part of the belt to control the belt to stop rotating. When the belt is disassembled and replaced, the limit assembly 4 can slide toward the inner walls of the two ends of the material receiving frame 1, so that the material receiving frame 1 is separated from the limit of the scraper assembly 3. At this time, when the sensor rotating rod 2 drives the scraper assembly 3 to rotate, the scraper assembly 3 can be used to scrape and clean the coal along the inner wall of the material receiving frame 1, and then the driving assembly 8 controls the discharge rod 6, so that The discharge rod 6 can drive the discharge plate 61 to rotate downward, discharge the coal that falls from the inside of the receiving frame 1, and at the same time drive the auxiliary rotating rod 7 to rotate in the opposite direction, drive the auxiliary 71 to rotate outward from the inner wall of the receiving frame 1, so that the scraping component 3 rotating on the inner wall of the receiving frame 1 for cleaning interacts with the auxiliary 71, and the scraping component 3 can also be cleaned by the auxiliary 71, thereby reducing the residual coal inside the sensor after use, and there is no need to disassemble the sensor when replacing the belt, so that the overall sensor is more convenient to use;

[0025] See also Figure 3 , Figure 4 as well as Figure 5The present embodiment proposes a rotary damping intrinsically safe leather belt longitudinal tearing sensor for coal mines. The scraping assembly 3 includes four limit rods 31. A plurality of outer plates 32 are fixedly installed on the outer sides of the four limit rods 31. The inner side wall of the outer plate 32 is slidably connected with an inner plate 33. The other end of the inner plate 33 is fixedly connected to the outer side of the sensor rotating rod 2. The scraping assembly 3 also includes two limit springs 34 fixedly installed on the inner side wall of the outer plate 32. The other ends of the two limit springs 34 are fixedly connected to one end of the inner plate 33. The sensor rotating rod 2 drives the inner plate 33 and the outer plate 32 to rotate inside the material receiving frame 1. When performing circular rotation, the monitoring of coal mine falling is maintained. When cleaning, the limit spring 34 acts between the inner plate 33 and the outer plate 32, so that The outer side of the outer plate 32 rotates along the inner wall of the material receiving frame 1, and the coal remaining on the inner wall of the material receiving frame 1 is cleaned by the outer plate 32. The limiting assembly 4 includes a limiting plate 41 slidably connected to the inner wall of the material receiving frame 1 on both sides, and a push rod 42 is fixedly installed on both sides of the inner wall of the material receiving frame 1. The limiting assembly 4 also includes two displacement screws 43 rotatably connected to the outer side of the limiting plate 41, and one end of the two displacement screws 43 is fixedly installed with a first linkage wheel 44, and the outer side of the first linkage wheel 44 is sleeved with a first belt 45. When the limiting plate 41 moves to contact with the limiting rod 31, the limiting rod 31 drives the outer plate 32 to always rotate in the inner area of ​​the limiting plate 41, so as to monitor the falling of coal, and continue to keep in contact with the push rod 42 when the limiting rod 31 is separated from the limiting plate 41. When the material is touched, the outer plate 32 can continuously contact the inner wall of the material receiving frame 1 to scrape off the residue on the inner wall. The two displacement screws 43 are used to make the two lifting screws rotate synchronously and drive the limit plate 41 to slide through the first linkage wheel 44 and the first belt 45. The driving component 8 includes a plurality of transition rods 81 rotatably connected to the outside of the material receiving frame 1. One end of the plurality of transition rods 81 and both ends of the discharge rod 6 are fixedly installed with a linkage gear 82. The other end of the transition rod 81, the discharge rod 6 and both ends of the auxiliary rotating rod 7 are fixedly installed with a second linkage wheel 83. The outer sides of the second linkage wheel 83 are respectively sleeved with a second belt 84 and a third belt 85. Through the rotation of the transition rod 81, and then through the linkage gear 82 and the second linkage wheel 83 and the second belt 84, The action of makes the two discharging rods 6 drive the discharging plates 61 to rotate in the opposite direction relative to each other, and opens the bottom of the receiving frame 1. Then, through the action of the transition rod 81 and the linkage gear 82, as well as the second linkage wheel 83 and the third belt 85, the two auxiliary rotating rods 7 also drive the auxiliary 71 to rotate in the opposite direction relative to each other, and also rotate in the opposite direction relative to the receiving rod. When the outer plate 32 rotates, it can slide between the inner plate 33 so that the outer side of the outer plate 32 and the auxiliary 71 can contact and slide, so as to clean the coal mine on the outer side of the outer plate 32. The driving assembly 8 also includes an outer cover 86 fixedly installed on the outer side of the receiving frame 1, and the inner side wall of the outer cover 86 is rotatably connected to one end of the transition rod 81, and the inner side wall of the outer cover 86 is rotatably connected to one end of the displacement screw 43.One end of the transition rod 81 and the displacement screw 43 are fixedly installed with an operating rotating rod 87. The operating rotating rod 87 can operate the displacement screw 43 to rotate the transition rod 81. There is no need to disassemble the entire sensor. The bottom end of the material receiving frame 1 is fixedly installed with a bottom plate 11. A reset spring 12 is rotatably connected between the bottom plate 11 and the discharge plate 61. When there is no external force to operate the discharge plate 61, the discharge plate 61 is rotated to the initial position by the action of the reset spring 12. The discharge plate 61 seals the bottom of the material receiving frame 1 and continues to monitor the falling situation of the coal mine.

[0026] In the present embodiment, when in use, first when the limit plate 41 contacts the limit rod 31, the sensor driving machine 5 drives the sensor rotating rod 2 to rotate inside the material receiving frame 1, and monitors the longitudinal tearing of the inherently safe leather belt during transmission. When the inherently safe leather belt has longitudinal tearing, causing the coal on it to fall into the material receiving frame 1, the driving device is controlled to be shut down through the sensor. When the coal dropped into the material receiving frame 1 needs to be cleaned for reuse, the limit plate 41 is separated from the limit rod 31, so that the sensor rotating rod 2 drives the inner plate 33 and the outer plate 32 to rotate, and the outer plate 32 is kept in The sliding inside the receiving frame 1 clears the residual coal on its inner wall, and at the same time, the discharging rod 6 drives the discharging plate 61 to discharge the coal that has fallen from the inside of the receiving frame 1 to the outside. The discharging rod 6 drives the auxiliary rotating rod 7 to rotate in the opposite direction while rotating, and rotates the auxiliary 71 to the opposite direction of the inside of the receiving frame 1, so that the outer plate 32 slides on the auxiliary 71 and performs telescopic sliding while rotating, so that the coal on the outer plate 32 can be cleaned through the interaction with the auxiliary 71, thereby reducing the residual coal, thereby solving the problem of tedious steps of disassembling and cleaning the sensor when replacing the belt.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary damping intrinsically safe leather belt longitudinal tear sensor for coal mines, characterized in that: The invention comprises a material receiving frame (1), wherein the interior of the material receiving frame (1) is rotatably connected to a sensor rotating rod (2), a scraping assembly (3) for cleaning the inner wall of the material receiving frame (1) is fixedly installed on the outer side of the sensor rotating rod (2), a limiting assembly (4) for limiting the scraping position of the scraping assembly (3) is arranged on the inner side wall of the material receiving frame (1), a sensor driving machine (5) for driving the sensor rotating rod (2) to rotate is fixedly installed on the outer side of the material receiving frame (1), and the material receiving frame (1) is provided with a plurality of sensors. ) is rotatably connected to the bottom end thereof with two discharge rods (6), and discharge plates (61) for discharging coal are fixedly installed on the outer sides of the two discharge rods (6). The inner side wall of the receiving frame (1) is also rotatably connected to an auxiliary rotating rod (7), and an auxiliary plate (71) for assisting the cleaning and scraping assembly (3) is fixedly installed on the outer side of the auxiliary rotating rod (7). Both sides of the receiving frame (1) are provided with driving assemblies (8) for driving the discharge rods (6) and the auxiliary rotating rods (7) to rotate.

2. A rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 1, characterized in that: The scraping assembly (3) comprises four limiting rods (31), a plurality of outer plates (32) are fixedly mounted on the outer sides of the four limiting rods (31), an inner plate (33) is slidably connected to the inner side wall of the outer plate (32), and the other end of the inner plate (33) is fixedly connected to the outer side of the sensor rotating rod (2).

3. A rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 2, characterized in that: The scraping assembly (3) further comprises two limit springs (34) fixedly mounted on the inner wall of the outer plate (32), and the other ends of the two limit springs (34) are fixedly connected to one end of the inner plate (33).

4. A rotary damping intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 1, characterized in that: The limiting assembly (4) comprises limiting plates (41) slidably connected to the inner walls of the material receiving frame (1), and push rods (42) are fixedly mounted on the inner walls of the material receiving frame (1).

5. A rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 4, characterized in that: The limiting assembly (4) further comprises two displacement screws (43) rotatably connected to the outside of the limiting plate (41), a first linkage wheel (44) being fixedly mounted on one end of the two displacement screws (43), and a first belt (45) being sleeved on the outside of the first linkage wheel (44).

6. The rotary damping intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 1, characterized in that: The driving assembly (8) comprises a plurality of transition rods (81) rotatably connected to the outside of the material receiving frame (1), one end of the plurality of transition rods (81) and both ends of the material discharging rod (6) are fixedly mounted with linkage gears (82), the other end of the transition rod (81), the material discharging rod (6) and both ends of the auxiliary rotating rod (7) are fixedly mounted with second linkage wheels (83), and the outer sides of the second linkage wheels (83) are respectively sleeved with a second belt (84) and a third belt (85).

7. A rotary damping type intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 6, characterized in that: The driving assembly (8) further comprises an outer cover (86) fixedly mounted on the outside of the material receiving frame (1), the inner side wall of the outer cover (86) being rotatably connected to one end of the transition rod (81), the inner side wall of the outer cover (86) being rotatably connected to one end of the displacement screw rod (43), wherein one end of each of the transition rod (81) and the displacement screw rod (43) is fixedly mounted with an operating rotating rod (87).

8. The rotary damping intrinsically safe leather belt longitudinal tear sensor for coal mines according to claim 1 is characterized in that: A bottom plate (11) is fixedly mounted on the bottom end of the receiving frame (1), and a return spring (12) is rotatably connected between the bottom plate (11) and the discharge plate (61).

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