CN111453297A - A damage self-alarm belt - Google Patents

Abstract

The invention discloses a damage self-alarm belt and a belt conveyor. The damage self-alarm belt comprises: a cavity belt filled with high-pressure air, at least one pressure sensor, an alarm device, and a signal transmission mechanism. In the cavity, the alarm device is arranged outside the cavity of the cavity belt, and both the pressure sensor and the alarm device are signal-connected to the signal transmission mechanism. When the cavity belt is damaged or broken, the high-pressure air in the cavity of the cavity belt leaks, the pressure sensor detects that the air pressure in the cavity belt drops, and the signal is transmitted to the alarm device through the signal transmission mechanism. The cavity belt is detected to realize timely and accurate damage detection of the cavity belt, which can quickly and efficiently alarm the damage and failure of the cavity belt, which has a positive effect on the smooth development of production.

Description

A damage self-alarm belt

technical field

The invention relates to the technical field of material conveying, and more particularly, to a damage self-alarming belt.

Background technique

In the process of material conveying, a large number of belt conveyors are used. However, during the operation of the belt, it is often easy to be scratched, torn or broken due to factors such as external materials and mechanical scratches or overloaded operation of the belt. If these belt damages cannot be found and dealt with in time, it is very easy to cause large-scale damage to the belt, and even lead to personal and equipment injury accidents. To this end, people have designed a variety of belt damage detection devices, in order to solve this problem. However, most of these damage detection devices check the external changes of the belt at limited points, which have shortcomings such as inaccurate and untimely detection.

To sum up, how to timely and accurately detect the damage of the belt is an urgent problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a damage self-alarming belt that can timely and accurately detect the damage of the cavity belt.

Another object of the present invention is to provide a belt conveyor including the above-mentioned damage self-alarming belt.

In order to achieve the above object, the present invention provides the following technical solutions:

A damage self-alarm belt, comprising: a cavity belt filled with high-pressure air, at least one pressure sensor, an alarm device, and a signal transmission mechanism, the pressure sensor is arranged in the cavity of the cavity belt, and the alarm device is arranged Outside the cavity of the cavity belt, both the pressure sensor and the alarm device are signally connected to the signal transmission mechanism.

Preferably, the pressure sensor is a pressure switch.

Preferably, the signal transmission mechanism includes a conductor disposed on the cavity belt, the pressure switch is connected to the inner surface of the conductor, and the alarm device is connected to the outer surface of the conductor.

Preferably, the electrical conductors are two parallel conductive strips.

Preferably, the alarm device includes an alarm device and two detection contacts, the alarm device is respectively connected to the two detection contacts, and the two detection contacts are respectively attached to the two conductive strips. The outer surface.

Preferably, the two detection contacts are respectively slidably attached to the outer surfaces of the two conductive strips.

Preferably, the alarms include sound alarms and light alarms.

A belt conveyor includes a body and any one of the above-mentioned damage self-alarming belts installed on the body.

A damage self-alarming belt provided by the present invention includes: a cavity belt filled with high-pressure air, at least one pressure sensor, an alarm device, and a signal transmission mechanism. The pressure sensor is arranged in the cavity of the cavity belt, and the alarm device is arranged in the empty cavity. Outside the cavity of the cavity belt, the pressure sensor and the alarm device are all signal-connected to the signal transmission mechanism.

When the cavity belt is damaged or broken, the high-pressure air in the cavity of the cavity belt leaks, the pressure sensor detects that the air pressure in the cavity belt drops, and the signal is transmitted to the alarm device through the signal transmission mechanism. The detection of the cavity belt can realize the timely and accurate damage detection of the cavity belt, and can quickly and efficiently alarm the damage and failure of the cavity belt, which has a positive effect on the smooth development of production.

The invention also provides a belt conveyor which can know the damage of the belt in time.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

Fig. 1 is the sectional view of the damage self-alarm belt provided by the present invention;

2 is a sectional view of the damaged cavity belt of the damaged self-alarm belt provided by the present invention;

Fig. 3 is the schematic diagram of the damage self-alarm belt provided by the present invention;

Fig. 4 is the enlarged view of A place in Fig. 3;

5 is a schematic diagram of damage to the cavity belt of the damaged self-alarm belt provided by the present invention;

FIG. 6 is an enlarged view of B in FIG. 5 .

In Figure 1-6:

1-cavity belt, 2-pressure switch, 3-high pressure air, 4-conductive strip, 5-detection contact, 6-alarm device.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The core of the present invention is to provide a damage self-alarming belt which can timely and accurately detect the damage of the cavity belt.

Another core of the present invention is to provide a belt conveyor including the above-mentioned damage self-alarming belt.

Please refer to FIGS. 1 to 6, FIG. 1 is a sectional view of the self-alarm belt for damage provided by the present invention; FIG. 2 is a cross-sectional view of the damaged self-alarm belt of the self-alarm belt provided by the present invention; FIG. 3 is provided by the present invention. Fig. 4 is an enlarged view of the damaged self-alarm belt in Fig. 3; Fig. 5 is a schematic diagram of damage to the cavity belt of the self-alarm belt provided by the present invention; Enlarge the image.

A damage self-alarm belt, comprising: a cavity belt 1 filled with high-pressure air 3, at least one pressure sensor, an alarm device 6, and a signal transmission mechanism, the pressure sensor is arranged in the cavity of the cavity belt 1, and the alarm device 6 is arranged in the cavity. Outside the cavity of the cavity belt 1, the pressure sensor and the alarm device 6 are all connected to the signal transmission mechanism.

It should be noted that the interior of the cavity belt 1 is hollow, the pressure sensor is arranged in the cavity of the cavity belt 1, and the high-pressure air 3 fills the cavity of the cavity belt 1, so that the pressure sensor detects the inside of the cavity belt 1 The pressure is in a normal state. When the cavity belt 1 is damaged and deflated, the pressure sensor detects that the cavity belt 1 is in an abnormal state.

The alarm device 6 is arranged outside the cavity of the cavity belt 1 and is not in contact with the cavity belt 1. The specific setting position of the alarm device 6 can be flexibly set according to the actual application. When the belt is conveyed, the alarm device 6 is always transmitted through the signal The mechanism is connected with the pressure sensor signal to ensure the continuity of signal transmission.

When the cavity belt 1 is damaged or broken, the high-pressure air 3 in the cavity of the cavity belt 1 leaks, the pressure sensor detects that the air pressure in the cavity belt 1 drops, and the signal is transmitted to the alarm device 6 through the signal transmission mechanism. The signal alarm can continuously detect the cavity belt 1, realize the timely and accurate damage detection of the cavity belt 1, and quickly and efficiently alarm the damage and failure of the cavity belt 1, which has a positive effect on the smooth development of production.

On the basis of the above embodiment, as a further preference, the pressure sensor is a pressure switch 2 .

It should be noted that the cavity belt 1 is connected in a ring shape, and is driven by the roller of the belt conveyor to transport materials. The alarm device 6 is connected to the pressure switch 2 through a signal transmission mechanism. When the cavity belt 1 is in good condition without damage, the pressure switch 2 in the cavity is in the closed state under the action of the high-pressure air 3, and the alarm device 6 detects the conduction of the passage and judges that the belt is normal. When the cavity belt 1 is damaged or broken, the high pressure air 3 in the belt cavity leaks, the pressure switch 2 is disconnected due to the pressure drop, the alarm device 6 detects the disconnection of the passage, judges that the belt is damaged, and the alarm device 6 issues a fault alarm. The pressure switch 2 has high sensitivity and accurate detection.

On the basis of the above embodiment, as a further preference, the signal transmission mechanism includes a conductor disposed on the cavity belt 1, the pressure switch 2 is connected to the inner surface of the conductor, and the alarm device 6 is connected to the outer surface of the conductor.

It should be noted that the conductor is arranged on the surface of the cavity belt 1, the inner side contacts the cavity of the cavity belt 1, and the outer side contacts the outside air, so the pressure switch 2 arranged in the cavity can be connected to the inner surface of the conductor , the alarm device 6 is connected to the outer surface of the conductor, and the conductor moves with the transmission of the cavity belt 1 . The arrangement of the electrical conductor can ensure the continuity of the connection between the pressure switch 2 and the alarm device 6 .

On the basis of the above embodiment, as a further preference, the conductors are two conductive strips 4 arranged in parallel.

It should be noted that there are two conductive strips 4, which are connected to the inside and outside of the cavity of the cavity belt 1, the inside is connected to the two poles of the pressure switch 2, and the outside is connected to the two poles of the alarm device 6 to form a closed loop. The length direction of the two parallel conductive strips 4 is consistent with the movement direction of the cavity belt 1 , and each conductive strip 4 is in a closed state and is annular to ensure continuity of signal transmission.

On the basis of the above embodiment, as a further preference, the alarm device 6 includes an alarm device and two detection contacts, the alarm device is respectively connected to the two detection contacts 5, and the two detection contacts 5 are respectively attached to the two detection contacts. The outer surface of the conductive strip 4 .

It should be noted that the cavity belt 1 is connected in a ring shape, and is driven by the roller of the belt conveyor to transport materials. The alarm device 6 is connected to the conductive bar 4 through sliding contact of the detection contact 5 , and then is connected to the pressure switch 2 . When the cavity belt 1 is in good condition without damage, the pressure switch 2 in the cavity is in the closed state under the action of the high-pressure air 3, and the alarm device 6 detects the conduction of the passage and judges that the belt is normal. When the cavity belt 1 is damaged or broken, the high pressure air 3 in the belt cavity leaks, the pressure switch 2 is disconnected due to the pressure drop, the alarm device 6 detects the disconnection of the passage, judges that the belt is damaged, and the alarm device 6 issues a fault alarm.

On the basis of the above embodiment, as a further preference, the two detection contacts 5 are slidably attached to the outer surfaces of the two conductive strips 4 respectively.

It should be noted that the sliding connection of the detection contact 5 to the outer surface of the conductive strip 4 can ensure that the detection contact 5 does not move with the movement of the conductive strip 4, so as to ensure the continuous movement of the cavity belt 1 uninterrupted, and it can also be simplified. line connection.

On the basis of the above embodiment, as a further preference, the alarm device includes a sound alarm device and a light alarm device. It should be noted that the alarm sound can be heard through the sound alarm and the alarm sound can be processed in time, and the alarm light emitted by the light alarm can deepen the impression on the staff, so that measures can be taken in time.

In addition to the above-mentioned damage self-alarm belt, the present invention also provides a belt conveyor, which includes a body and the damage self-alarm belt provided by any one of the above embodiments installed on the body.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The damage self-alarming belt and belt conveyor provided by the present invention are described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (8)

1. A damage self-alarming belt, comprising: the device comprises a cavity belt (1) filled with high-pressure air (3), at least one pressure sensor, an alarm device (6) and a signal transmission mechanism, wherein the pressure sensor is arranged in a cavity of the cavity belt (1), the alarm device (6) is arranged outside the cavity of the cavity belt (1), and the pressure sensor and the alarm device (6) are in signal connection with the signal transmission mechanism.

2. A damage self-alarming belt according to claim 1, characterized in that said pressure sensor is a pressure switch (2).

3. A self-alarming belt as claimed in claim 1, wherein said signal transmission means comprises an electrical conductor provided on said cavity belt (1), said pressure switch (2) being connected to an inner surface of said electrical conductor, and said alarm device (6) being connected to an outer surface of said electrical conductor.

4. A self-alarming belt as claimed in claim 3, wherein said electrical conductors are two parallel conductive strips (4).

5. A damage self-alarm belt according to claim 4, characterized in that said alarm device (6) comprises an alarm and two detection contacts, said alarm is connected to said two detection contacts (5), said two detection contacts (5) are respectively attached to the outer surfaces of said two conductive strips (4).

6. A self-alarming belt as claimed in claim 5, wherein the two detection contacts (5) are respectively in sliding fit with the outer surfaces of the two conductive strips (4).

7. A self-alarming belt as claimed in claim 5, wherein the alarm comprises an audible alarm and a light alarm.

8. A belt conveyor comprising a body and the self-alarming belt of any one of claims 1 to 7 mounted on the body.

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