CN216302446U - Belt tearing protection device - Google Patents
Belt tearing protection device Download PDFInfo
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- CN216302446U CN216302446U CN202122710118.1U CN202122710118U CN216302446U CN 216302446 U CN216302446 U CN 216302446U CN 202122710118 U CN202122710118 U CN 202122710118U CN 216302446 U CN216302446 U CN 216302446U
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Abstract
The utility model discloses a belt tearing protection device which comprises a material receiving disc, a gravity monitoring device and a detection piece, wherein the material receiving disc is arranged between an upper layer belt and a lower layer belt, materials on the upper layer belt can fall into the material receiving disc after the upper layer belt is torn, the gravity monitoring device is connected with the material receiving disc, the gravity monitoring device performs corresponding action when the weight of the materials in the material receiving disc reaches a preset value, and the detection piece can detect the corresponding action performed by the gravity monitoring device so as to judge whether the upper layer belt is torn or not. The belt tearing degree detection device judges whether the belt tearing degree needs to be shut down for maintenance or not by monitoring the amount of materials thrown off through the upper belt, thereby effectively avoiding misoperation, reducing shutdown times and improving productivity.
Description
Technical Field
The utility model relates to the technical field of belt conveyors, in particular to a belt tearing protection device.
Background
The belt conveyor is also called as a belt conveyor and is widely applied to conveying materials. However, due to reasons such as the operating environment and the structure of the belt, the belt is easy to tear, coal leakage along the line can be caused once the belt is torn for a long distance, and great troubles are caused to later-stage maintenance and belt replacement if the coal leakage is not found in time. In order to find out that the belt is torn in time, the main machine is controlled to stop and give an alarm by detecting burrs or materials at the torn part of the belt. However, when the materials conveyed by the belt conveyor are relatively complex in composition, for example, in raw coal conveying, due to the fact that raw coal contains coal slime, large coal blocks, gangue and the like, the coal slime is easily adhered to the surface of the belt to cause false alarm of the conventional detection device, the large coal blocks or the gangue fall onto the belt to easily deform the belt under stress to cause false alarm of the conventional detection device, and finally, the whole production line cannot normally operate, and the production progress is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a belt tearing protection device which judges whether the tearing degree of a belt needs to be stopped for maintenance or not by monitoring the amount of materials scattered by passing through an upper layer belt, so that the misoperation can be effectively avoided, the stop times are reduced, and the productivity is improved.
In order to achieve the purpose, the utility model adopts the technical scheme that: a belt tear protection device, comprising:
the receiving tray is arranged between the upper layer belt and the lower layer belt, and the materials on the upper layer belt can fall into the receiving tray after the upper layer belt is torn,
the gravity monitoring device is connected with the receiving tray and performs corresponding action when the weight of the materials in the receiving tray reaches a preset value,
the detection piece can detect corresponding actions made by the gravity monitoring device so as to judge whether the upper belt is torn or not.
Above-mentioned protection device is torn to belt, characterized in that, gravity monitoring devices includes:
the guide post is fixedly arranged at the bottom of the material receiving disc and is vertically arranged at the bottom surface of the material receiving disc,
the mounting plate is arranged below the receiving disc, the mounting plate is provided with guide holes matched with the guide posts, the guide posts are inserted into the guide holes and can slide up and down along the guide holes, the detection piece is fixedly arranged in the middle of the mounting plate,
the spring, the spring suit is on the guide post, the spring is located between take-up (stock) pan and the mounting panel, and is used for supporting the take-up (stock) pan on the upper portion of mounting panel.
Foretell protection device is torn to belt, its characterized in that, the quantity of guide post is four, and four guide posts set up respectively on four angles of take-up (stock) pan bottom, the quantity of spring also is four, and four springs suit respectively are on the guide post that corresponds, mounting panel and frame fixed connection.
Foretell protection device is torn to belt, its characterized in that, be provided with the lower part spring fixing base that equals with spring quantity on the mounting panel, lower part spring fixing base fixes on the mounting panel, and the upper end of lower part spring fixing base is connected with the lower extreme of spring.
Foretell protection device is torn to belt, its characterized in that, be provided with the upper portion spring fixing base that equals with spring quantity on the take-up pan, upper portion spring fixing base fixes in the bottom of take-up pan, and the lower extreme of upper portion spring fixing base is connected with the upper end of spring, the upper end of guide post and the middle part fixed connection of upper portion spring fixing base.
The belt tearing protection device is characterized in that the detection piece is a proximity switch.
Above-mentioned protection device is torn to belt, characterized in that, gravity monitoring devices includes:
the rotating shaft is fixedly connected with the bottom of the receiving disc, the receiving disc is positioned on one side of the rotating shaft,
a counterweight rod, which is arranged perpendicular to the rotating shaft, one end of the counterweight rod is fixedly connected with the rotating shaft, the counterweight rod is positioned at the other side of the rotating shaft,
the counterweight block is arranged on the counterweight rod and can adjust the position of the counterweight block on the counterweight rod along the length direction of the counterweight rod,
the detection piece is arranged on the outer side of a path through which the counterweight rod passes when the rotating shaft rotates, and is used for detecting whether the counterweight rod passes through the path.
The belt tearing protection device is characterized in that the counterweight rod is a threaded rod, the counterweight block is sleeved on the counterweight rod, and locking nuts used for fixing the counterweight block on the counterweight rod are arranged on two sides of the counterweight block.
The belt tearing protection device is characterized in that the length direction of the rotating shaft is perpendicular to the running direction of the upper layer belt.
The belt tearing protection device is characterized in that the rotating shaft is rotatably mounted on the machine frame through a bearing seat.
The belt tearing protection device is characterized in that the detection piece is a proximity switch, a photoelectric switch or a Hall switch.
Compared with the prior art, the utility model has the following advantages:
1. the belt tearing degree detection device judges whether the belt tearing degree needs to be shut down for maintenance or not by monitoring the amount of materials thrown off through the upper belt, thereby effectively avoiding misoperation, reducing shutdown times and improving productivity.
2. The sensitivity of the belt tearing protection device can be adjusted by adjusting the position of the detection piece on the mounting plate or the position of the counterweight block on the counterweight rod.
3. The utility model has simple structure and can be manufactured by field materials.
The utility model is described in further detail below with reference to the figures and examples.
Drawings
Fig. 1 is a schematic view of the installation position of a belt tearing protection device on a belt conveyor in embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of a belt tearing protection device in embodiment 1 of the present invention.
Fig. 3 is an enlarged view a of fig. 1.
Fig. 4 is a schematic view of the installation position of the belt tearing protection device on the belt conveyor in embodiment 2 of the present invention.
Fig. 5 is a schematic perspective view of a belt tearing protection device in embodiment 2 of the present invention.
Description of reference numerals:
10-receiving tray; 20-gravity monitoring device; 21-a guide post;
22-a mounting plate; 22-1-pilot hole; 23-a spring;
23-1-lower spring holder; 23-2-upper spring holder;
30-a detection member; 40-upper belt; 50-lower layer belt;
60, a frame; 71-a rotating shaft; 72-a counterweight rod;
73-a counterweight; 74-lock nut.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.
It should be noted that, in the present invention, the belt of the belt conveyor is in an annular closed shape, and is installed on the frame 60 through the driving device, and the belt of the belt conveyor makes an annular motion, the upper layer belt 40 and the lower layer belt 50 in the present invention refer to the upper layer and the lower layer of the belt conveyor at a certain moment, and because the belt makes an annular motion, when the belt is torn, the belt at the upper layer may be torn, or the belt at the lower layer may be torn, but the torn position will move to the upper layer of the belt conveyor and be detected at all times, so the upper layer belt tear in the present invention is not only capable of detecting whether the belt at the upper layer is torn, but also may be detected when the torn position moves to the upper layer.
The utility model provides a belt tearing protection device, aiming at solving the problem that the conventional belt tearing detection device frequently malfunctions when transporting complex materials such as raw coal and the like.
Example 1
A belt tearing protection device shown in figures 1 and 4 comprises a receiving tray 10, a gravity monitoring device 20 and a detection piece 30, wherein the receiving tray 10 is arranged between an upper layer belt 40 and a lower layer belt 50, materials on the upper layer belt 40 can fall into the receiving tray 10 after the upper layer belt 40 is torn, the gravity monitoring device 20 is connected with the receiving tray 10, corresponding actions are performed by the gravity monitoring device 20 when the weight of the materials in the receiving tray 10 reaches a preset value, and the detection piece 30 can detect corresponding actions performed by the gravity monitoring device 20 to judge whether the upper layer belt 40 is torn or not.
In the embodiment, the material receiving disc 10 is arranged below the upper-layer belt 40, so that when the belt is torn, water and small-particle materials in the materials fall into the material receiving disc 10 through the tearing opening; after the materials are gathered to a certain degree, the materials in the receiving tray 10 drive the gravity monitoring device 20 to do corresponding actions, the detection piece 30 monitors the actions of the gravity monitoring device 20 and sends out control signals to the host of the belt conveyor, and the host of the belt conveyor controls the belt driving device of the belt conveyor to stop working according to the signals, and can also send out alarm information at the same time to remind a worker of timely overhauling. The belt tearing protection device judges whether the tearing degree of the belt needs to be shut down for maintenance or not by monitoring the amount of the materials scattered by the upper belt 40, thereby effectively avoiding misoperation, reducing shutdown times and improving productivity.
As shown in fig. 1 to 3, the gravity monitoring device 20 includes a guide post 21, a mounting plate 22 and a spring 23, the guide post 21 is fixedly mounted at the bottom of the receiving tray 10, the guide post 21 is vertically arranged at the bottom surface of the receiving tray 10, the mounting plate 22 is arranged below the receiving tray 10, the mounting plate 22 is provided with a guide hole 22-1 matched with the guide post 21, the guide post 21 is inserted into the guide hole 22-1 and can slide up and down along the guide hole 22-1, the detecting piece 30 is fixedly mounted at the middle part of the mounting plate 22, the spring 23 is sleeved on the guide post 21, the spring 23 is located between the receiving tray 10 and the mounting plate 22 and is used for supporting the receiving tray 10 at the upper part of the mounting plate 22.
In the present embodiment, the gravity monitoring device 20 utilizes the elastic force of a spring. When the take-up pan 10 falls into the material, the gravity of take-up pan 10 and material is greater than the elasticity of spring 23, take-up pan 10 and material can compress the spring and move down, the elasticity of spring 23 is along with the compression constantly increases, when the elasticity of spring 23 is equal with the gravity of take-up pan 10 and material, take-up pan 10 stops the lapse, the mid-mounting of mounting panel 22 has a detection piece 30, after take-up pan 10 moves down to the predetermined position, can detect by detection piece 30, detection piece 30 sends the signal of telecommunication for band conveyer, band conveyer's host computer stops work according to this signal control band conveyer's belt drive arrangement.
Preferably, the number of the guide posts 21 is four, four guide posts 21 are respectively arranged at four corners of the bottom of the take-up pan 10, the number of the springs 23 is also four, the four springs 23 are respectively sleeved on the corresponding guide posts 21, and the mounting plate 22 is fixedly connected with the rack 60.
Preferably, the mounting plate 22 is provided with lower spring fixing seats 23-1 in an amount equal to that of the springs 23, the lower spring fixing seats 23-1 are fixed on the mounting plate 22, and the upper ends of the lower spring fixing seats 23-1 are connected with the lower ends of the springs 23.
Preferably, the receiving tray 10 is provided with upper spring fixing seats 23-2 with the same number as the springs 23, the upper spring fixing seats 23-2 are fixed at the bottom of the receiving tray 10, the lower ends of the upper spring fixing seats 23-2 are connected with the upper ends of the springs 23, and the upper ends of the guide columns 21 are fixedly connected with the middle parts of the upper spring fixing seats 23-2.
Preferably, the detecting member 30 is a proximity switch.
Example 2
As shown in fig. 4 and 5, the gravity monitoring device 20 in this embodiment includes a rotating shaft 71, a weight rod 72 and a weight 73, the rotating shaft 71 is fixedly connected to the bottom of the receiving tray 10, the receiving tray 10 is located on one side of the rotating shaft 71, the weight rod 72 is perpendicular to the rotating shaft 71, one end of the weight rod 72 is fixedly connected to the rotating shaft 71, the weight rod 72 is located on the other side of the rotating shaft 71, the weight 73 is disposed on the weight rod 72, and the position of the weight 73 on the weight rod 72 can be adjusted along the length direction of the weight rod 72, the detecting member 30 is disposed outside the path through which the weight rod 72 is driven when the rotating shaft 71 rotates, and is used for detecting whether the weight rod 72 passes through the path.
In this embodiment, by using the lever principle, after the belt tearing material falls into the receiving tray 10 from the crack, the gravity on one side of the receiving tray 10 increases, when the gravity on one side of the receiving tray 10 increases to exceed the gravity on one side of the weight rod 72, the receiving tray 10 drives the rotating shaft 71 to rotate, the rotating shaft 71 drives the weight rod 72 to rotate, the detecting member 30 arranged on the outer side of the weight rod 72 detects that the weight rod 72 rotates, the detecting member 30 sends an electric signal to the belt conveyor, and the main machine of the belt conveyor controls the belt driving device of the belt conveyor to stop working according to the signal.
Preferably, the weight rod 72 is a threaded rod, the weight 73 is sleeved on the weight rod 72, and locking nuts 74 for fixing the weight 73 on the weight rod 72 are arranged on two sides of the weight 73.
Preferably, the length direction of the rotating shaft 71 is perpendicular to the running direction of the upper belt 40.
Preferably, the rotating shaft 71 is rotatably mounted on the frame 60 through a bearing housing.
Preferably, the detecting member 30 is a proximity switch, a photoelectric switch or a hall switch.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A belt tear protection device, comprising:
the receiving tray (10), the receiving tray (10) is arranged between the upper layer belt (40) and the lower layer belt (50), and the materials on the upper layer belt (40) can fall into the receiving tray (10) after being torn,
the gravity monitoring device (20), the gravity monitoring device (20) is connected with the receiving tray (10) and the gravity monitoring device (20) makes corresponding action when the weight of the materials in the receiving tray (10) reaches a preset value,
a detection member (30), the detection member (30) being capable of detecting a corresponding action made by the gravity monitoring device (20) to determine whether the upper belt (40) is torn.
2. A belt tear protection device according to claim 1, wherein said gravity monitoring device (20) comprises:
the guide post (21) is fixedly arranged at the bottom of the material receiving disc (10), the guide post (21) is vertically arranged at the bottom surface of the material receiving disc (10),
the mounting plate (22), the mounting plate (22) is arranged below the receiving tray (10), the mounting plate (22) is provided with a guide hole (22-1) matched with the guide post (21), the guide post (21) is inserted into the guide hole (22-1) and can slide up and down along the guide hole (22-1), the detection piece (30) is fixedly arranged in the middle of the mounting plate (22),
the spring (23), spring (23) suit is on guide post (21), spring (23) are located between take-up (10) and mounting panel (22) and are used for supporting take-up (10) on the upper portion of mounting panel (22).
3. The belt tearing protection device according to claim 2, wherein the number of the guide posts (21) is four, four guide posts (21) are respectively arranged at four corners of the bottom of the material receiving tray (10), the number of the springs (23) is also four, four springs (23) are respectively sleeved on the corresponding guide posts (21), and the mounting plate (22) is fixedly connected with the frame (60).
4. A belt tearing protection device according to claim 2 or 3, characterized in that the mounting plate (22) is provided with a number of lower spring holders (23-1) equal to the number of springs (23), the lower spring holders (23-1) are fixed on the mounting plate (22), and the upper ends of the lower spring holders (23-1) are connected with the lower ends of the springs (23).
5. The belt tearing protection device according to claim 4, wherein the take-up pan (10) is provided with upper spring fixing seats (23-2) with the number equal to that of the springs (23), the upper spring fixing seats (23-2) are fixed at the bottom of the take-up pan (10), the lower ends of the upper spring fixing seats (23-2) are connected with the upper ends of the springs (23), and the upper ends of the guide columns (21) are fixedly connected with the middle parts of the upper spring fixing seats (23-2).
6. A belt tear protection device according to claim 3, wherein said detecting member (30) is a proximity switch.
7. A belt tear protection device according to claim 1, wherein said gravity monitoring device (20) comprises:
the rotating shaft (71), the rotating shaft (71) is fixedly connected with the bottom of the material receiving disc (10), the material receiving disc (10) is positioned on one side of the rotating shaft (71),
the counterweight rod (72) is perpendicular to the rotating shaft (71), one end of the counterweight rod (72) is fixedly connected with the rotating shaft (71), the counterweight rod (72) is positioned on the other side of the rotating shaft (71),
a counterweight (73), wherein the counterweight (73) is arranged on the counterweight rod (72) and can adjust the position of the counterweight (73) on the counterweight rod (72) along the length direction of the counterweight rod (72),
the detection member (30) is provided outside a path through which the weight lever (72) is driven when the rotation shaft (71) rotates, and detects whether or not the weight lever (72) passes therethrough.
8. The belt tear protection device of claim 7, wherein the weight rod (72) is a threaded rod, the weight (73) is sleeved on the weight rod (72), and locking nuts (74) for fixing the weight (73) on the weight rod (72) are disposed on two sides of the weight (73).
9. A belt tear protection device as claimed in claim 7, wherein the length of the pivot shaft (71) is perpendicular to the direction of travel of the upper belt (40).
10. The belt tearing protection device according to claim 7, wherein the rotating shaft (71) is rotatably mounted on the frame (60) through a bearing seat, and the detecting member (30) is a proximity switch, a photoelectric switch or a Hall switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710118.1U CN216302446U (en) | 2021-11-05 | 2021-11-05 | Belt tearing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710118.1U CN216302446U (en) | 2021-11-05 | 2021-11-05 | Belt tearing protection device |
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| Publication Number | Publication Date |
|---|---|
| CN216302446U true CN216302446U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122710118.1U Active CN216302446U (en) | 2021-11-05 | 2021-11-05 | Belt tearing protection device |
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| CN (1) | CN216302446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583475A (en) * | 2022-11-03 | 2023-01-10 | 武汉顶力康自动化有限公司 | Intelligent control device and control method for preventing tearing and deviation of conveying belt |
-
2021
- 2021-11-05 CN CN202122710118.1U patent/CN216302446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583475A (en) * | 2022-11-03 | 2023-01-10 | 武汉顶力康自动化有限公司 | Intelligent control device and control method for preventing tearing and deviation of conveying belt |
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