CN212502575U - Longitudinal anti-scratching protection device for conveyor belt - Google Patents
Longitudinal anti-scratching protection device for conveyor belt Download PDFInfo
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- CN212502575U CN212502575U CN202020331309.XU CN202020331309U CN212502575U CN 212502575 U CN212502575 U CN 212502575U CN 202020331309 U CN202020331309 U CN 202020331309U CN 212502575 U CN212502575 U CN 212502575U
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Abstract
A longitudinal anti-scratching protection device for a conveyor belt is an ideal device for reliably preventing longitudinal scratching accidents of the conveyor belt and blocking faults of a material pipe. The belt conveyor is arranged above a belt of a belt conveyor and is positioned at a position where a blanking pipe is connected with a guide chute cover plate, when foreign matters (such as rod pieces, ironware, large materials and the like) capable of scratching the belt fall from the blanking pipe and run along with the belt, a sensor automatically alarms by monitoring the magnitude and displacement of the blocking acting force generated by the foreign matters on an induction plate to reach an early warning value, and sends a stopping instruction to stop the belt after the detection is confirmed by a conveyor control system, so that the belt stops running before being scratched, and the economic loss caused by the longitudinal scratching accident of the conveyor belt is effectively avoided. The belt longitudinal scratching risk detection device can reliably detect the belt longitudinal scratching risk and can detect the blockage fault of accumulation.
Description
Technical Field
The utility model belongs to conveyer protection field is a device for preventing conveyer belt vertically cuts apart accident, can advance, accurate prevention belt fish tail accident to effectively avoid and reduce the economic loss that the belt vertically cuts apart the accident and cause, also can accurately detect conveyer jam trouble simultaneously.
Background
The conveyor is a general mechanical device widely applied to industries such as electric power, metallurgy, mines, coal, chemical industry and port transportation. In the operation process of the conveyor, the working surface of the belt is often impacted and blocked by materials in various shapes, once foreign matters form a blocking condition, longitudinal scratching accidents of the adhesive tape can be caused, the accidents are sporadic and strong in destructive power, once the accidents happen, the belt cannot be found in time and stopped, the whole conveyor can be quickly scratched, the loss is huge, and the consequence is serious.
At present, the belt scratch protection products of conveyors at home and abroad are generally in extrusion type, railing type, photoelectric tube type, infrared ray type and ultrasonic type. These methods all use passive detection methods, namely: the device is arranged below the belt, and detects scattered materials to judge the belt scratching fault after the belt is scratched. In practical production application, the reliability is not high, and false alarms often occur, so that the practical requirements of safety production cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a prevent that the belt from vertically scratching the emergence of splitting the accident, break the passive detection mode of tradition, provide a novel conveyer belt and vertically prevent scratching the protection device that splits, its leading features is: the sensor automatically alarms by monitoring the clamping resistance acting force and displacement of the foreign matters on the induction plate to reach an early warning value when the foreign matters (such as rod pieces, ironware, large materials and the like) capable of scratching the belt fall from the blanking pipe and run along with the belt, and sends a stop instruction to stop the conveyor after the foreign matters are confirmed by the conveyor control system, so that the belt stops running before being scratched, the economic loss caused by the longitudinal scratching accident of the conveyor belt is effectively avoided, the belt longitudinal scratching risk can be reliably detected, and the blockage fault of deposits can be detected.
The utility model discloses conveyer belt vertically prevents drawing protection device that splits is for realizing above-mentioned purpose, and the technical method who adopts is as follows:
the vertical anti-scratching protection device for the conveyor belt is perpendicular to a conveyor, is arranged above the belt, is positioned at the position where a blanking pipe and a guide chute cover plate are connected, is in sealing connection with the blanking pipe, the guide chute cover plate and a guide chute side plate, and comprises a protection device, an induction plate, a main shaft, a protection device side plate, a limit stop, a vertical surface bearing, a crank, a nut, a positioning pin shaft, a spring seat, a return spring, an adjusting nut, an adjusting bolt, a control sheet, a sensor support and other parts.
The conveyor belt longitudinal anti-scratching protection device monitors that when normal materials of the conveyor run along with the belt, the surface of the materials has a certain distance from the induction plate of the protection device, the normal materials cannot touch the induction plate, and the sensor cannot send out an alarm signal.
The longitudinal anti-scratching protection device for the conveyor belt monitors that foreign matters (such as rod pieces, ironware, large materials and the like) fall from a blanking pipe and are blocked along with the running of the belt, the foreign matters react on the belt and the induction plate, the belt has the risk of scratching by the foreign matters, the induction plate rotates and moves towards the running direction of the belt under the pushing of the resistance of the foreign matters, and simultaneously drives the main shaft, the crank, the spring seat and the control sheet to rotate and move, when the induction plate rotates and moves to the limit stop, the induction surface of the control sheet approaches to the alarm point of the sensor, the sensor sends an alarm signal to the control system of the conveyor, and the control system automatically sends a halt instruction, so that the conveyor belt is alarmed and halted before the belt is scratched by the foreign matters, and the occurrence of longitudinal scratching accidents of the conveyor belt is.
Conveyer belt vertically prevents drawing protection device that splits, when there is deposit whereabouts to block up the blanking pipe in the monitoring, the deposit can promote the tablet to the belt traffic direction rotary motion, and when tablet rotary motion to limit stop, control panel response face proximity sensor alarm point, sensor send alarm signal to conveyer control system, and control system sends the shut down instruction automatically to the emergence of blanking pipe putty accident has been prevented.
Conveyer belt vertically prevents drawing protection device and splits can be according to the condition of conveyer handling capacity, set for the size that detects minimum card resistance, adjust the pressure size of return spring with adjusting bolt and adjusting nut, thereby set for the minimum card resistance size that the tablet can bear, when detecting there is the foreign matter card resistance, tablet swivelling movement to limit stop, limit stop not only has the effect of the limit displacement of definite tablet, and there is the effect of avoiding protection device to lose protect function because of bearing too big card resistance damage.
The utility model discloses conveyer belt vertically prevents scratching protection device's beneficial effect is:
(1) the mode that traditional protection device detected the material that spills passively after the belt has been scratched and judged the trouble is broken through, provide a novel initiative belt vertical anti-scratch protection device, judge the mode of vertical scratch trouble through the card resistance that the monitoring caused the produced foreign matter of the vertical scratch accident of belt and the displacement of tablet, report to the police before the belt is not scratched and shut down, it can not only in time reliable prevent belt scratch trouble, can detect simultaneously and block up the trouble.
(2) The utility model has simple installation and maintenance, high reliability and low false alarm rate;
(3) the utility model discloses the range of application is wide, and the quantity is big, and the using value benefit is high, possesses the condition of using widely comprehensively.
Drawings
FIG. 1 is a front view of a working structure of the longitudinal anti-scratch protection device for a conveyor belt of the utility model;
FIG. 2 is an enlarged view of the left area A of the front view of the longitudinal anti-scratch protection device of the conveyor belt in FIG. 1
As shown, the following arabic numerals represent:
1-carrier roller, 2-belt, 3-guide chute cover plate, 4-guide chute side plate, 5-foreign matter, 6-deposit, 7-blanking pipe, 8-induction plate, 9-positioning pin shaft, 10-spring seat, 11-crank, 12-main shaft, 13-nut, 14-elevation bearing, 15-protection device, 16-sensor, 17-sensor support, 18-protection device side plate, 19-control sheet, 20-return spring, 21-adjusting nut, 22-adjusting bolt, 23-limit stop block
Note: in FIG. 1, the symbol ← represents the belt running direction
Detailed Description
The invention is further described in the following description with reference to the accompanying drawings:
as shown in fig. 1, a belt 2 of the conveyor is supported by a carrier roller 1, and carries materials in a V-shape, a protection device 15 is installed above the belt 2, is located at a position where a blanking pipe 7 and a material guide chute cover plate 3 are connected, and is hermetically connected with the blanking pipe 7, the material guide chute cover plate 3 and a material guide chute side plate 4, and is characterized in that: the protective device 15 is internally provided with an induction plate 8, the induction plate 8 is fixed on a main shaft 12 perpendicular to the surface of a belt 2, a limit stop 23 is arranged at the limit position which limits the rotation and the movement of the induction plate 8 at the inner side of a protective device side plate 18, the main shaft 12 is fixed through vertical face bearings 14 arranged at two ends of the protective device side plate 18, two ends of the main shaft 12 are respectively provided with a crank 11 and fixed through nuts 13, the lower end of the crank 11 is fixedly connected with a spring seat 10 through a positioning pin shaft 9, an adjusting nut 21 opposite to the spring seat 10 is fixed on the protective device side plate 18, a return spring 20 is arranged between the spring seat 10 and the adjusting nut 21, the elastic force of the return spring 20 is adjusted through an adjusting bolt 22, a control sheet 19 is arranged on the crank 11, a sensor 16 is arranged above the induction surface of the control sheet 19, and the sensor 16.
When the conveyor belt longitudinal anti-scratching protection device monitors that normal materials run along with the conveyor belt 2, the distance between the surface of the material and the sensing plate 8 is a certain distance, the normal materials cannot touch the sensing plate 8, and the sensor 16 cannot send out an alarm signal.
As shown in fig. 1, the conveyor belt longitudinal anti-scratch protection device is monitoring that foreign objects 5 fall from the conveyor down pipe 7, when the belt 2 is jammed along with the running of the belt, the foreign body 5 reacts on the belt 2 and the induction plate 8, the belt 2 risks being scratched by the foreign body 5, at the moment, the induction plate 8 rotates and moves towards the running direction of the belt 2 under the pushing of the jamming resistance of the foreign body 5 as shown in an enlarged scale A in figure 2, at the same time, the main shaft 12, the crank 11, the spring seat 10 and the control piece 19 are driven to rotate, when the induction plate 8 rotates and moves to the limit stop 23, the sensing surface of the control plate 19 is close to the alarm point of the sensor 16, the sensor 16 sends out an alarm signal to a control system of the conveyor, the control system automatically sends out a stop command to stop the conveyor, therefore, the belt 2 is alarmed to stop before being scratched by the foreign matters 5, and the belt 2 is effectively prevented from being scratched by the foreign matters 5.
As shown in figure 1, the conveyor belt longitudinal anti-scratch protection device is used for monitoring the operation of a conveyor, when a deposit 6 falls to block a blanking pipe 7, the deposit 6 can push an induction plate 8 to rotate and move towards the operation direction of the belt 2 along with the operation of the belt 2, as shown in an enlarged mode A in figure 2, when the induction plate 8 rotates and moves to a limit stop 23, an induction surface of a control sheet 19 approaches an alarm point of a sensor 16, the sensor 16 sends an alarm signal to a conveyor control system, and the control system automatically sends a stop instruction to stop the operation of the conveyor, so that the occurrence of a material blocking accident of the blanking pipe 7 is effectively prevented.
The conveyer belt is vertical prevents drawing protection device and splits can be according to the condition of conveyer handling capacity, set for the size that detects minimum card resistance, adjust the pressure size of return spring 20 with adjusting bolt 22 and adjusting nut 21, thereby set for the minimum card resistance size that tablet 8 can bear, when belt 2 exists and is drawn the crack or the jam 6 jam risk by foreign matter 5, limit stop 23 not only has the effect of the limit displacement of tablet 8 of definite, has the effect of avoiding protection device 15 to lose protect function because of bearing too big card resistance damage.
Claims (5)
1. Conveyer belt vertically prevents drawing protection device that splits installs in the top of belt (2), is located the position that links up at blanking pipe (7) and baffle box apron (3), with blanking pipe (7), baffle box apron (3), baffle box curb plate (4) sealing connection, characterized by: an induction plate (8) is arranged in a protective device (15), the induction plate (8) is perpendicular to the surface of a belt (2) and fixed on a main shaft (12), a limit stop (23) is arranged at the limit position of the inner side of a protective device side plate (18) for limiting the rotation movement of the induction plate (8), the main shaft (12) is fixed through a vertical surface bearing (14) arranged at the two ends of the protective device side plate (18), two cranks (11) are respectively arranged at the two ends of the main shaft (12) and fixed through nuts (13), the lower end of each crank (11) is fixedly connected with a spring seat (10) through a positioning pin shaft (9), an adjusting nut (21) opposite to the spring seat (10) is fixed on the protective device side plate (18), a return spring (20) is arranged between the spring seat (10) and the adjusting nut (21), the elastic force of the return spring (20) is adjusted through an adjusting bolt (22), and a control sheet (19) is arranged on the crank (11), a sensor (16) is arranged above the sensing surface of the control sheet (19), and the sensor (16) is arranged on a sensor bracket (17).
2. A conveyor belt longitudinal anti-scratch protection device as claimed in claim 1, characterized in that the monitoring of normal material running with the conveyor belt (2) is such that the surface of the material is at a distance from the sensing plate (8), the normal material does not touch the sensing plate (8), and the sensor (16) does not give an alarm signal.
3. The longitudinal anti-scratching protection device for the conveyor belt according to claim 1, characterized in that a foreign object (5) falls from a falling pipe (7) of the conveyor and is jammed along with the running of the belt (2), the foreign object (5) reacts to the belt (2) and the induction plate (8), the belt (2) risks being scratched by the foreign object (5), at the moment, the induction plate (8) is pushed by the jamming resistance of the foreign object (5) to rotate towards the running direction of the belt (2) and simultaneously drives the main shaft (12), the crank (11), the spring seat (10) and the control plate (19) to rotate, when the induction plate (8) rotates to the limit stop (23), the induction surface of the control plate (19) approaches the alarm point of the sensor (16), the sensor (16) sends an alarm signal to a control system of the conveyor, the control system automatically sends a stop instruction to stop the running of the conveyor, therefore, the alarm is stopped before the belt (2) is not scratched by the foreign matters (5), and the belt (2) is effectively prevented from scratching by the foreign matters (5).
4. The longitudinal conveyor belt scratch-resistant protection device as claimed in claim 1, wherein when a deposit (6) falls to block a blanking pipe (7) when the monitoring conveyor runs, the deposit (6) can push the induction plate (8) to rotate and move towards the running direction of the belt (2) along with the running of the belt (2), when the induction plate (8) rotates and moves to the limit stop (23), the control sheet (19) senses that the sensor (16) approaches an alarm point, the sensor (16) sends an alarm signal to a conveyor control system, and the control system automatically sends a stop instruction to stop the conveyor, so that the occurrence of a blockage accident of the blanking pipe (7) is effectively prevented.
5. A belt longitudinal anti-scratch protection device for a conveyor, as claimed in claim 1, characterized in that the adjustment bolt (22) and the adjustment nut (21) are used to adjust the pressure of the return spring (20) so as to set the minimum clamping resistance that the induction plate (8) can bear, when the belt (2) has a risk of scratching or blocking, the limit stop (23) not only has the function of limiting the limit displacement of the induction plate (8), but also has the function of preventing the protection device (15) from losing the protection function due to damage caused by excessive clamping resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020331309.XU CN212502575U (en) | 2020-03-09 | 2020-03-09 | Longitudinal anti-scratching protection device for conveyor belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020331309.XU CN212502575U (en) | 2020-03-09 | 2020-03-09 | Longitudinal anti-scratching protection device for conveyor belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212502575U true CN212502575U (en) | 2021-02-09 |
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ID=74440334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020331309.XU Active CN212502575U (en) | 2020-03-09 | 2020-03-09 | Longitudinal anti-scratching protection device for conveyor belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212502575U (en) |
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2020
- 2020-03-09 CN CN202020331309.XU patent/CN212502575U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: 066004 No.1-1, Tianshan North Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee after: Qinhuangdao Method Technology Co., Ltd. Address before: 066004 No.1-1, Tianshan North Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee before: QINHUANGDAO RONGDA ENGINEERING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |