Coal leakage monitoring device for belt conveyor

Abstract

The utility model relates to a belt conveyor coal leakage monitoring device which comprises a tray, a touch probe, a baffle and a reed switch, the tray is erected between a feeding section belt and a return section belt in the width direction of the belt, the touch probe is arranged above the tray, the baffle is rotatably arranged below the tray, and the reed switch is arranged on the baffle. The reed switch is arranged below the tray and corresponds to the magnet on the baffle, the distance between the reed switch and the tray in the vertical direction is adjustable, and the technical problems that when the coal leakage phenomenon occurs in the prior art, coal is wasted, and even normal operation of the belt conveyor is affected can be solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine equipment, and concretely relates to a coal running monitoring device of belt conveyor. BACKGROUND

[0002] The belt conveyor is widely applied in mining, chemical industry, food light industry and other industries due to its excellent continuous and large conveying capacity, and the belt thereof is the feeding section belt of the upper layer and the return section belt of the lower layer. In the actual production process, when the feeding section belt is torn, coal will fall on the return section belt, which is called "coal running", thereby causing waste, and after the coal falls on the return section belt, the coal will be adhered to the conveying roller at the end of the belt conveyor along with the return section belt, which will seriously hinder the transmission between the conveying roller and the belt, thereby affecting the normal operation of the belt conveyor. SUMMARY

[0003] In view of various deficiencies of the prior art, the coal running monitoring device of the belt conveyor is provided to solve the technical problem that the coal is wasted and the normal operation of the belt conveyor is affected when the coal running phenomenon occurs in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A coal running monitoring device of belt conveyor, including tray, touch probe, baffle and reed switch, the tray is erected between the feeding section belt and the return section belt along the width direction of the belt, the touch probe is arranged above the tray, the baffle is rotatably arranged below the tray, the reed switch is arranged below the tray and corresponds to the magnet on the baffle, and the distance between the reed switch and the tray in the vertical direction is adjustable.

[0006] The technical scheme is further provided as follows: the tray comprises a disc surface and a support plate, the disc surface is arranged along the width direction of the belt, and the front and rear ends of the disc surface are extended upward and bent to form limiting portions along the conveying direction of the belt, and the support plate is arranged at the front and rear ends of the disc surface.

[0007] The technical scheme is further provided as follows: the support frame comprises a cross beam and a stand column, the end of the support plate is provided with a inverted U-shaped mounting seat, the cross beam is embedded in the inner cavity of the inverted U-shaped mounting seat and locked by a first locking member.

[0008] The technical scheme is further provided as follows: the touch probe is connected with a mounting frame, the bottom of the mounting frame extends to the side surface of the cross beam, the other side surface of the cross beam is provided with a fixed plate, and the second locking member is arranged between the fixed plate and the bottom of the mounting frame.

[0009] The upper portion of the baffle is provided with a connecting shaft, and a bearing assembly is arranged between the end of the connecting shaft and the tray.

[0010] The baffle is connected with the connecting shaft through a connecting assembly, the connecting assembly comprises an auxiliary plate, a first connecting plate and a second connecting plate, the auxiliary plate and the first connecting plate are respectively arranged on the two sides of the baffle, the top of the second connecting plate is connected with the connecting shaft, the bottom of the second connecting plate is embedded in the first connecting plate, and a third locking piece is arranged between the auxiliary plate, the baffle, the first connecting plate and the second connecting plate.

[0011] The first connecting plate is provided in a C-shaped structure, an opening in communication with a cavity of the C-shaped structure is arranged on the first connecting plate, and the bottom of the second connecting plate penetrates through the opening and extends into the cavity of the C-shaped structure.

[0012] The dry reed is arranged on a fixing seat, the fixing seat is connected with the tray through a mounting plate, a strip-shaped groove extending in the vertical direction is arranged on the mounting plate, and a fourth locking piece is arranged between the fixing seat and the strip-shaped groove.

[0013] The baffle is provided with a connecting shaft, and a bearing assembly is arranged between the end of the connecting shaft and the tray.

[0014] When the feeding section belt is torn, the tray can receive and collect the falling coal, and the accumulated coal pile touches the touch probe, so that the protection shutdown is triggered, meanwhile, the baffle is arranged above the return section belt, when coal running occurs, the accumulated coal flow on the return section belt pushes the baffle to deflect, the dry reed is separated from the magnet, the dry reed is triggered, and the protection shutdown is triggered again, so that the double protection of the coal falling from the feeding section belt and the coal flowing from the return section belt is realized, and thus the waste and the normal operation of the belt conveyor are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the coal running monitoring device of the belt conveyor in the embodiment of the utility model;

[0016] Figure 2 is an assembly schematic view of the tray, the touch probe and the cross beam in the embodiment of the utility model;

[0017] Figure 3 is an assembly schematic view of the baffle and the connecting assembly in the embodiment of the utility model;

[0018] Figure 4 is an assembly schematic view of the dry reed, the fixing seat and the mounting plate in the embodiment of the utility model.

[0019] In the drawing: 1, feeding section belt; 2, return section belt; 3, tray; 301, tray surface; 302, support plate; 4, touch probe; 5, baffle; 6, upright column; 7, cross beam; 8, inverted U-shaped mounting seat; 9, mounting frame; 10, first connecting plate; 11, second connecting plate; 12, connecting shaft; 13, magnet; 14, reed switch; 15, mounting plate; 16, fixed plate; 17, auxiliary plate; 18, strip-shaped groove; 19, fixing seat. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical scheme of the utility model, the technical scheme of the utility model will be described clearly and completely below in combination with the drawings of the utility model. Based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without making creative efforts should belong to the protection scope of the present application. In addition, the direction words mentioned in the following embodiments, such as "up", "down", "left", "right", etc. are only the directions of the drawings, therefore, the direction words used are used for illustration but not for limiting the present application.

[0021] The utility model will be further described below in combination with the drawings and the preferred embodiments.

[0022] According to the utility model embodiment, a coal running monitoring device of belt conveyor is provided, please refer to Figures 1 to 4 , including tray 3, touch probe 4, baffle 5 and reed switch 14, tray 3 is erected between feeding section belt 1 and return section belt 2 along the width direction of belt, touch probe 4 is set to tray 3 top, baffle 5 is rotatably set to tray 3 below, reed switch 14 is set to tray 3 below and is correspondingly set with magnet 13 on baffle 5, the distance of reed switch 14 and tray 3 in vertical direction is adjustable.

[0023] It should be noted that when the feeding section belt 1 is torn, the tray 3 can receive and collect the falling coal, and the accumulated coal pile touches the touch probe 4, triggering the protection shutdown. At the same time, the baffle 5 is provided above the return section belt 2. When the coal running occurs, the accumulated coal flow on the return section belt 2 pushes the baffle 5 to deflect, the reed switch 14 is separated from the magnet 13, the reed switch 14 is triggered, and the protection shutdown is also triggered, realizing the double protection of the coal falling from the feeding section belt 1 and the coal coming from the return section belt 2 after the feeding section belt 1 is torn, so as to avoid waste and affect the normal operation of the belt conveyor.

[0024] In the coal running monitoring device of belt conveyor of the embodiment, please refer to Figures 1 to 4The tray 3 comprises a disc surface 301 and a support plate 302, the disc surface 301 is arranged along the belt width direction, and the front and rear ends of the disc surface 301 extend upward and are bent to form limiting portions along the belt conveying direction, and the support plate 302 is arranged at the front and rear ends of the disc surface 301.

[0025] It should be noted that the disc surface 301 is erected on the support frame through the support plate 302 to improve stability; the limiting portion can block the falling coal to a certain extent to avoid the coal falling from the disc surface 301 to the upper side of the return section belt 2.

[0026] In the coal running monitoring device of the belt conveyor in the embodiment, please refer to Figures 1 to 4 , and the support frame comprises a cross beam 7 and a stand column 6, the end of the support plate 302 is provided with a reverse U-shaped mounting seat 8, the cross beam 7 is embedded in the internal cavity of the reverse U-shaped mounting seat 8 and locked through a first locking piece.

[0027] It should be noted that the cross beam 7 is arranged along the belt conveying direction, and the stand column 6 supports the cross beam 7; after the cross beam 7 is embedded in the internal cavity of the reverse U-shaped mounting seat 8, the first locking piece is tightened, so that the tray 3 and the support frame are assembled; similarly, after the first locking piece is loosened, the tray 3 can be moved along the cross beam 7 to change the installation position of the tray 3. Preferably, the first locking piece is a bolt.

[0028] In the coal running monitoring device of the belt conveyor in the embodiment, please refer to Figures 1 to 4 , the contact probe 4 is connected with the mounting frame 9, the bottom of the mounting frame 9 extends to the side surface of the cross beam 7, the other side surface of the cross beam 7 is provided with a fixed plate 16, and the second locking piece is arranged between the fixed plate 16 and the bottom of the mounting frame 9.

[0029] It should be noted that the use of the contact probe 4 to monitor whether there is a coal pile accumulated on the tray 3 is a mature prior art, and the specific structure of the contact probe 4 can refer to CN112209055A; the mounting frame 9 and the fixed plate 16 are respectively located on the two sides of the cross beam 7 and are connected by the second locking piece to realize the assembly of the contact probe 4 and the support frame. Preferably, the second locking piece is a bolt.

[0030] In the coal running monitoring device of the belt conveyor in the embodiment, please refer to Figures 1 to 4 , the upper side of the baffle 5 is provided with a connecting shaft 12, and the end of the connecting shaft 12 and the tray 3 are provided with a bearing assembly.

[0031] It should be noted that the bearing assembly is used to achieve the rotatable connection between the connecting shaft 12 and the tray 3; since the tray 3 does not cover the entire return section belt 2, when the feeding section belt 1 is torn and the coal falling does not trigger the contact probe 4, the coal flow accumulated on the return section belt 2 pushes the baffle 5 to deflect, the reed tube 14 is separated from the magnet 13, the reed tube 14 is triggered, and the protection shutdown can also be triggered.

[0032] In the coal running monitoring device of the belt conveyor, please refer to Figures 1 to 4 , the baffle 5 is connected with the connecting shaft 12 through the connecting assembly, the connecting assembly includes an auxiliary plate 17, a first connecting plate 10 and a second connecting plate 11, the auxiliary plate 17 and the first connecting plate 10 are respectively located on both sides of the baffle 5, the top of the second connecting plate 11 is connected with the connecting shaft 12, and the bottom of the second connecting plate 11 is embedded in the first connecting plate 10. The third locking member is arranged between the auxiliary plate 17, the baffle 5, the first connecting plate 10 and the second connecting plate 11.

[0033] Specifically, the first connecting plate 10 is provided in a C-shaped structure, the first connecting plate 10 is provided with an opening in communication with the cavity of the C-shaped structure, and the bottom of the second connecting plate 11 penetrates through the opening and extends into the cavity of the C-shaped structure.

[0034] It should be noted that under the action of the third locking member, the auxiliary plate 17 and the first connecting plate 10 respectively exert clamping force on the baffle 5, and at the same time, the second connecting plate 11 realizes the assembly of the baffle 5 and the connecting shaft 12; there is a gap between the bottom of the baffle 5 and the return section belt 2, and the length of the second connecting plate 11 embedded in the first connecting plate 10 is adjustable to adjust the installation height of the baffle 5; when coal running occurs, the coal flow accumulated on the return section belt 2 pushes the baffle 5 to deflect, the reed tube 14 is separated from the magnet 13, the reed tube 14 is triggered, and after the coal flow passes, the baffle 5 reversely deflects and resets under the action of its own gravity. Preferably, the third locking member is a bolt.

[0035] In the coal running monitoring device of the belt conveyor, please refer to Figures 1 to 4 , the reed tube 14 is arranged on the fixed seat 19, the fixed seat 19 is connected with the tray 3 through the mounting plate 15, the mounting plate 15 is provided with a strip-shaped groove 18 extending along the vertical direction, and the fourth locking member is arranged between the fixed seat 19 and the strip-shaped groove 18.

[0036] It should be noted that after loosening the fourth locking member, the fixed seat 19 can be slid along the strip-shaped groove 18 to adjust the installation height of the reed tube 14. Preferably, the fourth locking member is a bolt.

[0037] The utility model has made a detailed description, the above-mentioned, only for the preferred embodiment of the utility model, when cannot limit the utility model implementation range, namely all equal changes and modification that make in the application scope, should still belong to the utility model cover range.

Claims

1. A belt conveyor coal run monitoring device, characterised in that, The tray is arranged between the feeding section belt and the return section belt along the width direction of the belt, the touch probe is arranged above the tray, the baffle is rotatably arranged below the tray, the reed switch is arranged below the tray and corresponds to the magnet on the baffle, and the distance between the reed switch and the tray in the vertical direction is adjustable.

2. The belt conveyor coal leakage monitoring device of claim 1, wherein, The tray comprises a disc surface and a support plate, the disc surface is arranged along the width direction of the belt, and the front and rear ends of the disc surface extend upward and are bent to form limiting portions along the belt conveying direction, and the support plate is arranged at the front and rear ends of the disc surface.

3. The belt conveyor coal leakage monitoring device of claim 2, wherein, The support frame comprises a crossbeam and a stand, the end of the support plate is provided with a reverse U-shaped mounting seat, the crossbeam is embedded in the internal cavity of the reverse U-shaped mounting seat and locked by a first locking member.

4. The belt conveyor coal leakage monitoring device of claim 3, wherein, The touch probe is connected with a mounting frame, the bottom of the mounting frame extends to the side surface of the crossbeam, the other side surface of the crossbeam is provided with a fixed plate, and a second locking member is arranged between the bottom of the mounting frame and the fixed plate.

5. The belt conveyer coal leakage monitoring device according to claim 1, characterized in that, The upper portion of the baffle is provided with a connecting shaft, and a bearing assembly is arranged between the end of the connecting shaft and the tray.

6. The belt conveyor coal leakage monitoring device of claim 5, wherein, The baffle is connected with the connecting shaft through a connecting assembly, the connecting assembly comprises an auxiliary plate, a first connecting plate and a second connecting plate, the auxiliary plate and the first connecting plate are respectively arranged on the two sides of the baffle, the top of the second connecting plate is connected with the connecting shaft, the bottom of the second connecting plate is embedded in the first connecting plate, and a third locking member is arranged between the auxiliary plate, the baffle, the first connecting plate and the second connecting plate.

7. The belt conveyor coal leakage monitoring device of claim 6, wherein, The first connecting plate is arranged in a C-shaped structure, an opening is arranged on the first connecting plate and communicates with the cavity of the C-shaped structure, and the bottom of the second connecting plate penetrates through the opening and extends into the cavity of the C-shaped structure.

8. The belt conveyer coal leakage monitoring device of claim 1, wherein, The reed switch is arranged on a fixing seat, the fixing seat is connected with the tray through a mounting plate, the mounting plate is provided with a strip-shaped groove extending along the vertical direction, and a fourth locking member is arranged between the fixing seat and the strip-shaped groove.

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