CN110654808A

CN110654808A - Conveyer belt off tracking sensor

Info

Publication number: CN110654808A
Application number: CN201910940730.2A
Authority: CN
Inventors: 吴玉荣
Original assignee: Nanjing Kaimengshi Electronic Technology Co Ltd
Current assignee: Nanjing Kaimengshi Electronic Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-01-07

Abstract

The invention discloses a conveyor belt deviation sensor, which comprises a roller, a rotating block, fixed angle steel, a machine box, a sensing device and an alarm device, the induction device and the alarm device are both fixedly connected with the case, a battery is arranged in the case, a proximity switch is arranged in the case, the proximity switch is respectively and electrically connected with the battery, the induction device and the alarm device, the upper end of the case is connected with a fixed angle steel, the fixed angle steel is provided with a rotating shaft, the rotating block is sleeved on the rotating shaft, the rotating shaft is provided with a torsional spring, one end of the torsion spring is connected with the rotating shaft, the other end of the torsion spring is connected with the rotating block, the upper end of the rotating block is provided with a rolling shaft, the roller is sleeved on the rolling shaft, the roller is arranged on one side of the belt and is in rolling fit with the edge of the belt, the lower end of the rotating block is provided with a swing rod, and the swing rod is matched with the proximity switch.

Description

Conveyer belt off tracking sensor

Technical Field

The invention relates to the technical field of deviation sensors, in particular to a conveyer belt deviation sensor.

Background

The belt conveyer is widely applied to industries such as metallurgy, mine and the like, and the belt deviation fault is easy to occur in the running process of the belt conveyer, and the main reasons are as follows: 1. the materials which are not transported on the belt are not uniformly distributed; 2. the bearing of a certain carrier roller at the lower part of the belt is damaged, and the carrier roller cannot rotate to increase resistance to the belt; 3. due to the long running time of the belt, the internal structure of the belt is elongated or uneven.

When the deviation is caused by the problems, the service life of the belt is influenced to a certain extent when the belt runs in the deviation state, and the belt tearing fault is caused by serious deviation running.

The mode that is used for the belt off tracking to detect at present is for utilizing laser to detect, but because the belt service environment is generally all comparatively abominable, the dust is more, seriously influences the accuracy that laser detected.

Disclosure of Invention

The invention aims at the defects in the prior art, and provides a conveyor belt deviation sensor which can detect the running position of a belt, the detection of the sensor is carried out by using mechanical displacement, the problem that the detection is easy to be influenced by dust to cause detection failure by using light at present is solved, the use of equipment is slightly influenced by the environment, and the use environment is wider and more reliable.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a conveyer belt off tracking sensor, includes cylinder, rotatory piece, fixed angle steel, machine box, induction system, alarm device all with machine box fixed connection, be equipped with the battery in the machine box, be equipped with proximity switch in the machine box, proximity switch is connected with battery, induction system and alarm device electricity respectively, machine box upper end even has fixed angle steel, be equipped with the pivot on the fixed angle steel, rotatory piece cover is in the pivot, be equipped with the torsional spring in the pivot, the one end and the pivot of torsional spring are connected, and the other end and the rotatory piece of torsional spring are connected, the upper end of rotatory piece is equipped with the roller bearing, the cylinder cover is on the roller bearing, the cylinder locate one side of belt and with the marginal roll cooperation of belt, the lower extreme of rotatory piece is equipped with the pendulum rod, pendulum rod and proximity switch cooperation.

Preferably, bearing grooves are formed in the two ends of the roller, the two bearing grooves are communicated through a shaft hole, the shaft hole is matched with the roller, and a bearing matched with the bearing grooves is sleeved on the roller.

Preferably, the roller bearing is sleeved with a supporting ring and a pressing ring, the supporting ring is fixedly connected with the roller bearing, the pressing ring is in sliding fit with the roller bearing, the roller is arranged at the upper end of the supporting ring, the pressing ring is arranged at the upper end of the roller, and the upper end of the pressing ring is provided with a fixing cap connected with the roller bearing.

Preferably, the fixed angle steel is provided with a limiting block positioned on one side of the rotating block.

Preferably, the upper end of the case is provided with a swing hole, and the swing rod is matched with the swing hole.

Preferably, induction system includes pilot lamp and relay, the relay passes through proximity switch and is connected with the battery electricity, the relay is connected with the pilot lamp through first normally open contact, the pilot lamp is connected with the outer wall of machine box.

Preferably, the alarm device comprises a time relay and a buzzer, the time relay is electrically connected with the indicator lamp through a second normally open contact, and the time relay is electrically connected with the buzzer through a time delay closing normally open contact.

Preferably, the lower extreme of machine box is equipped with the connecting plate that is used for fixing, be equipped with the reinforcing plate between connecting plate and the machine box.

The work flow of the conveyor belt deviation sensor specifically comprises the following steps:

the method comprises the following steps: when the belt deviates, the roller is pushed and drives the rotating block to rotate the swing rod to trigger the proximity switch;

step two: the relay is electrified, the first normally open contact is closed to enable the indicator light to be lightened to indicate that the belt deviates, meanwhile, the second normally open contact is closed, the time relay is electrified, and if the time relay is electrified after 10 minutes;

step three: if the belt does not return to the normal position, the time-delay closed normally-open contact is closed, and the buzzer gives out a fault prompt sound.

Compared with the prior art, the invention has the beneficial effects that:

1. the sensing device of the invention transmits signals to the alarm device to give out alarm sound, the position change of the belt is directly sensed by the device, and the alarm is given out to remind when the position change occurs, so as to realize the detection of the running position of the belt.

2. In order to ensure the firmness and reliability of the roller fixing, the two ends of the roller are provided with the bearing grooves, and the roller is sleeved with the bearings matched with the bearing grooves, so that the noise of the roller during rotation is reduced, the stability of the roller during operation is improved, and the service life is prolonged.

3. In order to fix the roller, the roller is sleeved with the supporting ring and the pressing ring, the roller is fixed through the supporting ring and the pressing ring, the position of the roller is limited, the roller cannot shake up and down during operation, and the operation reliability is ensured.

4. In order to ensure that the roller only rotates towards one direction, the fixed angle steel is provided with the limiting block positioned on one side of the rotating block, so that the roller is more reliable to use.

5. In order to improve the convenience of fixing, the lower end of the machine box is provided with a connecting plate for fixing, and a reinforcing plate is arranged between the connecting plate and the machine box, so that the strength of the device is improved.

6. According to the belt deviation reminding device, the belt deviation fault is reminded through the light and the sound respectively, the reminding is more accurate and timely, so that a worker can timely know the fault information to maintain the belt, the belt is protected, and the service life is prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the drum;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a circuit diagram of the present invention;

fig. 5 is a schematic view of the structure of the present invention in use.

In the figure: 1-a roller; 101-a bearing groove; 102-an axle hole; 2-rotating the block; 201-a roller; 202-a swing rod; 203-a supporting ring; 204-a bearing; 205-a pressure ring; 206-a locking cap; 3-fixing angle steel; 301-a rotating shaft; 302-torsion spring; 303-a limiting block; 4-a machine box; 401-oscillating aperture; 402-a connecting plate; 403-a reinforcement plate; 5-an indicator light; 501-first normally open contact; 6-a buzzer; 601-time-delay closed normally open contact; 7-a relay; 8-a battery; 9-a proximity switch; 10-time relay; 1001-second normally open contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, a conveyer belt off tracking sensor comprises a roller 1, a rotating block 2, a fixed angle steel 3, a case 4, an induction device and an alarm device, wherein the induction device and the alarm device are fixedly connected with the case 4, a battery 8 is arranged in the case 4, a proximity switch 9 is arranged in the case 4, the proximity switch 9 is electrically connected with the battery 8, the induction device and the alarm device respectively, the upper end of the case 4 is connected with the fixed angle steel 3, a rotating shaft 301 is arranged on the fixed angle steel 3, the rotating block 2 is sleeved on the rotating shaft 301, a torsion spring 302 is arranged on the rotating shaft 301, one end of the torsion spring 302 is connected with the rotating shaft 301, the other end of the torsion spring 302 is connected with the rotating block 2, a rolling shaft 201 is arranged at the upper end of the rotating block 2, the roller 1 is sleeved on the rolling shaft 201, the roller 1 is arranged on one side of a belt and is, the lower end of the rotating block 2 is provided with a swing rod 202, and the swing rod 202 is matched with the proximity switch 9.

As shown in fig. 5, the device is installed on both sides of the belt during use, fix the machine box 4 on the machine base of the equipment during installation, and the cylinder 1 is attached to the belt setting, detect the position of the belt respectively, when the belt takes place the off tracking, can promote the cylinder 1 to rotate, rotatory piece 2 revolves axle 301 and rotates under thrust, drive pendulum rod 202 and rotate and trigger proximity switch 9, after the circular telegram, induction system passes the signal to alarm device and sends out the alarm sound, through the position change of the device direct response belt, send out the police dispatch newspaper when taking place the position change and remind, realize the detection to the belt running position, the detection of this sensor utilizes mechanical displacement to detect, the problem that the present detection of utilizing light easily receives the dust influence and leads to detecting the inefficacy is solved, equipment uses and receives the environmental impact little, service environment is more extensively reliable.

In order to ensure the firmness and reliability of the roller fixation, as shown in fig. 2-3, the two ends of the roller 1 are provided with the bearing grooves 101, the two bearing grooves 101 are communicated through the shaft hole 102, the shaft hole 102 is matched with the roller 201, and the roller 201 is sleeved with the bearing 204 matched with the bearing grooves 101, so that the noise generated when the roller rotates is reduced, the stability of the roller during operation is improved, and the service life is prolonged.

In order to realize the fixation to the cylinder, as shown in fig. 3, the roller 201 is sleeved with a supporting ring 203 and a pressing ring 205, the supporting ring 203 is fixedly connected with the roller 201, the pressing ring 205 is in sliding fit with the roller 201, the roller 1 is arranged at the upper end of the supporting ring 203, the pressing ring 205 is arranged at the upper end of the roller 1, and the upper end of the pressing ring 205 is provided with a fixing cap 206 connected with the roller 201. The roller is fixed through the supporting ring and the pressing ring, the position of the roller is limited, the roller cannot shake up and down during operation, and the operation reliability is ensured.

In order to ensure that the roller only rotates towards one direction, a limiting block 303 positioned at one side of the rotating block 2 is arranged on the fixed angle steel 3.

Specifically, the upper end of the case 4 is provided with a swing hole 401, and the swing rod 202 is matched with the swing hole 401.

In order to improve the convenience of fixing, a connecting plate 402 for fixing is provided at the lower end of the casing 4, and a reinforcing plate 403 is provided between the connecting plate 402 and the casing 4.

The specific circuit connection mode is as follows:

as shown in fig. 4, the sensing device includes an indicator lamp 5 and a relay 7, the relay 7 is electrically connected to a battery 8 through a proximity switch 9, the relay 7 is connected to the indicator lamp 5 through a first normally open contact 501, and the indicator lamp 5 is connected to an outer wall of the housing 4.

The alarm device comprises a time relay 10 and a buzzer 6, wherein the time relay 10 is electrically connected with the indicator lamp 5 through a second normally-open contact 1001, and the time relay 10 is electrically connected with the buzzer 6 through a delay closed normally-open contact 601.

The specific working process is as follows:

when the belt is in position deviation, the roller 1 is pushed, the roller 1 drives the rotating block 2, so that the swing rod 202 rotates to trigger the proximity switch 9, the relay 7 is powered, the first normally-open contact 501 is closed to enable the indicator lamp 5 to be lightened to show the deviation of the belt, meanwhile, the second normally-open contact 1001 is closed, the time relay 10 is powered, if the belt does not return to the normal position after 10 minutes, the time-delay closed normally-open contact 601 is closed, and the buzzer 6 sends out a fault prompt sound; the belt deviation fault is respectively reminded through light and sound, the prompt is more accurate and timely, the worker can timely know fault information to maintain the belt, the belt is protected, and the service life is prolonged.

The technical effects are as follows: the sensing device of the invention transmits signals to the alarm device to give out alarm sound, the position change of the belt is directly sensed by the device, and the alarm is given out to remind when the position change occurs, so as to realize the detection of the running position of the belt. In order to ensure the firmness and reliability of the roller fixing, the two ends of the roller are provided with the bearing grooves, and the roller is sleeved with the bearings matched with the bearing grooves, so that the noise of the roller during rotation is reduced, the stability of the roller during operation is improved, and the service life is prolonged. In order to fix the roller, the roller is sleeved with the supporting ring and the pressing ring, the roller is fixed through the supporting ring and the pressing ring, the position of the roller is limited, the roller cannot shake up and down during operation, and the operation reliability is ensured. In order to ensure that the roller only rotates towards one direction, the fixed angle steel is provided with the limiting block positioned on one side of the rotating block, so that the roller is more reliable to use. In order to improve the convenience of fixing, the lower end of the machine box is provided with a connecting plate for fixing, and a reinforcing plate is arranged between the connecting plate and the machine box, so that the strength of the device is improved. According to the belt deviation reminding device, the belt deviation fault is reminded through the light and the sound respectively, the reminding is more accurate and timely, so that a worker can timely know the fault information to maintain the belt, the belt is protected, and the service life is prolonged.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a conveyer belt off tracking sensor which characterized in that: including cylinder (1), rotatory piece (2), fixed angle steel (3), machine box (4), induction system, alarm device all with machine box (4) fixed connection, be equipped with battery (8) in machine box (4), be equipped with proximity switch (9) in machine box (4), proximity switch (9) are connected with battery (8), induction system and alarm device electricity respectively, even there is fixed angle steel (3) machine box (4) upper end, be equipped with pivot (301) on fixed angle steel (3), rotatory piece (2) cover is on pivot (301), be equipped with torsional spring (302) on pivot (301), the one end and the pivot (301) of torsional spring (302) are connected, and the other end and the rotatory piece (2) of torsional spring (302) are connected, the upper end of rotatory piece (2) is equipped with roller bearing (201), cylinder (1) cover is on roller bearing (201), the roller (1) is arranged on one side of the belt and is in rolling fit with the edge of the belt, the lower end of the rotating block (2) is provided with a swing rod (202), and the swing rod (202) is matched with the proximity switch (9).

2. A conveyor belt off-tracking sensor as in claim 1 wherein: the two ends of the roller (1) are provided with bearing grooves (101), the two bearing grooves (101) are communicated with each other through a shaft hole (102), the shaft hole (102) is matched with a roller (201), and the roller (201) is sleeved with a bearing (204) matched with the bearing grooves (101).

3. A conveyor belt off-tracking sensor as in claim 2 wherein: the cover has ring (203), clamping ring (205) on roller bearing (201), ring (203) and roller bearing (201) fixed connection, clamping ring (205) and roller bearing (201) sliding fit, the upper end of ring (203) is located in cylinder (1), the upper end of cylinder (1) is located in clamping ring (205), the upper end of clamping ring (205) is equipped with locking cap (206) that roller bearing (201) are connected.

4. A conveyor belt off-tracking sensor as claimed in claim (1), wherein: and the fixed angle steel (3) is provided with a limiting block (303) positioned on one side of the rotating block (2).

5. A conveyor belt off-tracking sensor as claimed in claim (1), wherein: the upper end of the case (4) is provided with a swing hole (401), and the swing rod (202) is matched with the swing hole (401).

6. A conveyor belt off-tracking sensor as in claim 1 wherein: the induction system comprises an indicator lamp (5) and a relay (7), wherein the relay (7) is electrically connected with a battery (8) through a proximity switch (9), the relay (7) is connected with the indicator lamp (5) through a first normally open contact (501), and the indicator lamp (5) is connected with the outer wall of the case (4).

7. A conveyor belt off-tracking sensor as in claim 6 wherein: the alarm device comprises a time relay (10) and a buzzer (6), wherein the time relay (10) is electrically connected with the indicator lamp (5) through a second normally-open contact (1001), and the time relay (10) is electrically connected with the buzzer (6) through a time-delay closed normally-open contact (601).

8. A conveyor belt off-tracking sensor as in claim 1 wherein: the lower extreme of machine box (4) is equipped with connecting plate (402) that is used for fixing, be equipped with reinforcing plate (403) between connecting plate (402) and machine box (4).

9. The utility model provides a work flow of conveyer belt off tracking sensor which characterized in that: the method specifically comprises the following steps:

the method comprises the following steps: when the belt is deviated, the roller (1) is pushed, and the roller (1) drives the rotating block (2) to rotate the swing rod (202) to trigger the proximity switch (9);

step two: at the moment, the relay (7) is electrified, the first normally open contact (501) is closed to enable the indicator lamp (5) to be lightened to indicate that the belt deviates, meanwhile, the second normally open contact (1001) is closed, the time relay (10) is electrified, and if the time relay is electrified after 10 minutes;

step three: when the belt does not return to the normal position, the time-delay closed normally-open contact (601) is closed, and the buzzer (6) gives out a fault prompt sound.