Device for detecting and discharging foreign matters on machine head of belt conveyor

Abstract

The utility model discloses a belt conveyor head foreign matter detecting and discharging device, which relates to the technical field of belt conveyors and comprises a conveyor head and a protective shell, the protective shell is arranged on the outer side of the conveyor head, and the lower side of one end of the conveyor head is fixedly connected with the inner wall of the protective shell. A visual detection camera is fixedly arranged on the inner wall of the upper end of the protective shell, an electromagnet is arranged below the visual detection camera, a through groove is formed in the position, corresponding to the visual detection camera, of the surface of the electromagnet, and connecting rods are fixedly arranged on the two sides of the upper surface of the electromagnet correspondingly; the upper ends of the connecting rods extend to the outer side of the protective shell, and a transmission mechanism for driving the two connecting rods to move is arranged on the outer side of the protective shell. The iron foreign matter discharging device can automatically detect and discharge iron foreign matters on the conveyor head, and prevents the iron foreign matters from scratching a conveyor belt as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a foreign object detection and discharge device for the head of a belt conveyor. Background Art

[0002] Long foreign objects on the belt are a rather troublesome problem in the coal mine raw coal hoisting system, which are extremely likely to cause belt tearing production accidents and safety accidents during the process of personnel handling. During the transportation of the on-site belt, long foreign objects are easily mixed in.

[0003] The existing foreign object detection devices for the head of a belt conveyor can usually only detect the existence of foreign objects, and still require manual cleaning of the foreign objects. Therefore, it is necessary for workers to stay beside the conveyor, which is very labor-consuming. Summary of the Utility Model

[0004] In view of the problems existing in the existing foreign object detection devices for the head of a belt conveyor, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a foreign object detection and discharge device for the head of a belt conveyor, which solves the problem that the existing foreign object detection device for the head of a belt conveyor can only detect the existence of foreign objects, and still requires manual cleaning of the foreign objects. Therefore, it is necessary for workers to stay beside the conveyor, which is very labor-consuming.

[0006] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0007] A foreign object detection and discharge device for the head of a belt conveyor includes a conveyor head and a protective shell. The protective shell is arranged outside the conveyor head. One end of the lower side of the conveyor head is fixedly connected to the inner wall of the protective shell. A visual detection camera is fixedly arranged on the inner wall of the upper end of the protective shell. An electromagnet is arranged below the visual detection camera. A through groove is opened on the surface of the electromagnet at a position corresponding to the visual detection camera. Two connecting rods are fixedly arranged on both sides of the upper surface of the electromagnet. The upper ends of the connecting rods extend to the outside of the protective shell. A transmission mechanism for driving the two connecting rods to move is arranged outside the protective shell;

[0008] A discharge port is opened at the rear side of the protective shell at a position corresponding to the electromagnet. A guiding mechanism is arranged inside the discharge port.

[0009] Preferably, the guiding mechanism includes two guiding plates. The two guiding plates are symmetrically arranged on the front side of the discharge port. The closer sides of the two guiding plates are in contact with each other. The inner parts of the two sides of the guiding plates away from each other are fixedly sleeved with rotating rods. Both ends of the rotating rods are rotatably connected to the inner wall of the corresponding protective shell.

[0010] Preferably, the transmission mechanism includes a turntable and a movable ring. The movable ring is fixedly arranged between the upper ends of the two connecting rods. A vertical plate is fixedly arranged on the upper surface of the protective shell and behind the movable ring. A transmission rod is rotatably arranged on the front side of the vertical plate. The turntable is fixedly sleeved on the rod wall of the transmission rod. A round pin is eccentrically arranged on the front side of the turntable. The front end of the round pin passes through the movable ring. A motor is fixedly arranged on the rear side of the vertical plate. The output end of the motor is fixedly connected to the rear end of the transmission rod.

[0011] Preferably, torsion springs are movably sleeved on the rod walls of the two rotating rods. The two ends of each torsion spring are fixedly connected to the corresponding rotating rod and the inner wall of the protective shell respectively.

[0012] Preferably, the motor is fixedly connected to the vertical plate through a support frame.

[0013] Preferably, both of the guiding plates are transparent plates.

[0014] Preferably, both of the guiding plates are slightly inclined downward from front to back.

[0015] Preferably, rubber pads are arranged on both side surfaces of the electromagnet.

[0016] Preferably, a retaining ring is fixedly sleeved on the front end of the round pin.

[0017] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0018] In the present utility model, when the visual detection camera detects iron foreign matters on the conveyor belt at the head of the conveyor, the motor drives the turntable to rotate. The turntable drives the round pin to rotate around the transmission rod, that is, it can drive the round pin to push the movable ring. The movable ring drives the two connecting rods on both sides to move downward, that is, it can drive the electromagnet to push open the two guiding plates, and then magnetically adsorb the iron foreign matters on the conveyor belt. Then the round pin pushes the movable ring upward, so that the electromagnet drives the iron foreign matters to pass through the two guiding plates. Subsequently, the torsion spring drives the guiding plates to reset. Then the electromagnet disconnects the power supply, so that the iron foreign matters fall on the inclined guiding plates and can slide out of the discharge port along the guiding plates, that is, it realizes the automatic detection and discharge of iron foreign matters at the head of the conveyor, and tries to prevent the iron foreign matters from scratching the conveyor belt. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0020] Figure 1Schematic structural diagram of the foreign object detection and discharge device for the head of a belt conveyor proposed by the present utility model;

[0021] Figure 2 For Figure 1 Rear view structural diagram;

[0022] Figure 3 For Figure 1 Enlarged structural diagram of the partial A part in;

[0023] Figure 4 For Figure 1 Enlarged structural diagram of the partial B part in.

[0024] Explanation of reference numerals:

[0025] 1. Conveyor head; 2. Protective shell; 3. Visual detection camera; 4. Electromagnet; 5. Connecting rod; 6. Guide plate; 7. Vertical plate; 8. Movable ring; 9. Motor; 10. Round pin; 11. Transmission rod; 12. Turntable; 13. Rotating rod; 14. Torsion spring; 15. Retaining ring. Specific implementation mode

[0026] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further introduced in detail below with reference to the accompanying drawings.

[0027] Embodiment 1

[0028] Referring to Figures 1-4 , the foreign object detection and discharge device for the head of a belt conveyor includes a conveyor head 1 and a protective shell 2. The protective shell 2 is arranged on the outside of the conveyor head 1. The lower side of one end of the conveyor head 1 is fixedly connected to the inner wall of the protective shell 2. A visual detection camera 3 is fixedly arranged on the upper inner wall of the protective shell 2. An electromagnet 4 is arranged below the visual detection camera 3. A through groove is opened on the surface of the electromagnet 4 at a position corresponding to the visual detection camera 3. Both sides of the upper surface of the electromagnet 4 are fixedly provided with connecting rods 5, and the upper ends of the connecting rods 5 extend to the outside of the protective shell 2.

[0029] Embodiment 2

[0030] Referring to Figures 1-4, a discharge port is provided at the rear side of the protective case 2 corresponding to the electromagnet 4. A guiding mechanism is arranged inside the discharge port. The guiding mechanism includes two guiding plates 6. The two guiding plates 6 are symmetrically arranged at the front side of the discharge port. The closer sides of the two guiding plates 6 are in contact with each other. Inside the two sides of the two guiding plates 6 facing away from each other, a rotating rod 13 is fixedly sleeved. Both ends of the rotating rod 13 are rotatably connected to the inner wall of the corresponding protective case 2. The two guiding plates 6 are both transparent plates to prevent the guiding plates 6 from blocking the vision detection camera 3 as much as possible. The two guiding plates 6 are both slightly inclined downward from front to back to facilitate the discharge of foreign objects from the protective case 2. A torsion spring 14 is movably sleeved on the rod walls of the two rotating rods 13. The two ends of the torsion spring 14 are respectively fixedly connected to the corresponding rotating rod 13 and the inner wall of the protective case 2. Rubber pads are arranged on both side surfaces of the electromagnet 4 to prevent the electromagnet 4 from scratching the guiding plates 6 as much as possible.

[0031] Embodiment 3

[0032] Refer to Figures 1-4 , a transmission mechanism for driving the two connecting rods 5 to move is arranged on the outer side of the protective case 2. The transmission mechanism includes a turntable 12 and a movable ring 8. The movable ring 8 is fixedly arranged between the upper ends of the two connecting rods 5. A vertical plate 7 is fixedly arranged on the upper surface of the protective case 2 and behind the movable ring 8. A transmission rod 11 is rotatably arranged on the front side of the vertical plate 7. The turntable 12 is fixedly sleeved on the rod wall of the transmission rod 11. A round pin 10 is eccentrically arranged on the front side of the turntable 12. The front end of the round pin 10 passes through the movable ring 8. A motor 9 is fixedly arranged on the rear side of the vertical plate 7. The output end of the motor 9 is fixedly connected to the rear end of the transmission rod 11. The motor 9 is fixedly connected to the vertical plate 7 through a support frame. A retaining ring 15 is fixedly sleeved on the front end of the round pin 10 to prevent the round pin 10 from slipping out of the movable ring 8 as much as possible.

[0033] In the present utility model, when in use, when the vision detection camera 3 detects an iron foreign object on the conveyor belt of the conveyor head, the motor 9 drives the turntable 13 to rotate. The turntable 13 drives the round pin 10 to rotate around the transmission rod 11, that is, it can drive the round pin 10 to push the movable ring 8. The movable ring 8 drives the two connecting rods 5 on both sides to move downward, that is, it can drive the electromagnet 4 to push open the two guiding plates 6, and then magnetically adsorb the iron foreign object on the conveyor belt. Then the round pin 10 pushes the movable ring 8 upward, so that the electromagnet 4 drives the iron foreign object to pass through the two guiding plates 6. Subsequently, the torsion spring 14 drives the guiding plates 6 to reset. Then the electromagnet 4 is powered off, so that the iron foreign object falls on the inclined guiding plates 6, and it can slide out of the discharge port along the guiding plates 6, that is, it realizes the automatic detection and discharge of the iron foreign object on the conveyor head 1, and prevents the iron foreign object from scratching the conveyor belt as much as possible.

Claims

1. A belt conveyor head foreign body detection and removal device, comprising a conveyor head (1) and a protective shell (2), characterized in that: The protective shell (2) is arranged on the outer side of the conveyor head (1), and the lower side of one end of the conveyor head (1) is fixedly connected to the inner wall of the protective shell (2). A visual detection camera (3) is fixedly arranged on the inner wall of the upper end of the protective shell (2). An electromagnet (4) is arranged below the visual detection camera (3). A through groove is provided on the surface of the electromagnet (4) and at a position corresponding to the visual detection camera (3). Connecting rods (5) are fixedly arranged on both sides of the upper surface of the electromagnet (4). The upper ends of the connecting rods (5) extend to the outer side of the protective shell (2). A transmission mechanism for driving the two connecting rods (5) to move is arranged on the outer side of the protective shell (2); A discharge port is provided on the rear side of the protective shell (2) and at a position corresponding to the electromagnet (4), and a guide mechanism is provided inside the discharge port.

2. The belt conveyor head foreign body detection and removal device according to claim 1 is characterized in that: The guide mechanism comprises two guide plates (6), the two guide plates (6) are symmetrically arranged at the front side of the discharge port, the two guide plates (6) are close to each other on one side and abut against each other on the other side, and a rotating rod (13) is fixedly sleeved inside the two guide plates (6), and both ends of the rotating rod (13) are rotatably connected to the inner wall of the corresponding protective shell (2).

3. The belt conveyor head foreign body detection and removal device according to claim 1, characterized in that: The transmission mechanism comprises a rotating disk (12) and a movable ring (8), wherein the movable ring (8) is fixedly arranged between the upper ends of the two connecting rods (5), a vertical plate (7) is fixedly arranged on the upper surface of the protective shell (2) and located at the rear side of the movable ring (8), a transmission rod (11) is rotatably arranged on the front side of the vertical plate (7), the rotating disk (12) is fixedly sleeved on the rod wall of the transmission rod (11), a round pin (10) is eccentrically arranged on the front side of the rotating disk (12), the front end of the round pin (10) passes through the movable ring (8), a motor (9) is fixedly arranged on the rear side of the vertical plate (7), and the output end of the motor (9) is fixedly connected to the rear end of the transmission rod (11).

4. The belt conveyor head foreign body detection and removal device according to claim 2, characterized in that: The rod walls of the two rotating rods (13) are both movably sleeved with torsion springs (14), and the two ends of the torsion springs (14) are respectively fixedly connected to the corresponding rotating rods (13) and the inner wall of the protective shell (2).

5. The belt conveyor head foreign body detection and removal device according to claim 3, characterized in that: The motor (9) is fixedly connected to the vertical plate (7) via a support frame.

6. The belt conveyor head foreign body detection and removal device according to claim 2, characterized in that: The two guide plates (6) are both transparent plates.

7. The belt conveyor head foreign body detection and removal device according to claim 2, characterized in that: The two guide plates (6) are both arranged to be slightly inclined downward from front to back.

8. The device for detecting and removing foreign matter from the head of a belt conveyor according to claim 1, characterized in that: Rubber pads are provided on both side surfaces of the electromagnet (4).

9. The device for detecting and removing foreign matter from the head of a belt conveyor according to claim 3, characterized in that: A retaining ring (15) is fixedly sleeved on the front end of the round pin (10).

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