阅读说明：本技术 皮带跑偏检测开关及包括其的皮带跑偏控制系统 (Belt deviation detection switch and belt deviation control system comprising same ) 是由 李伟 李少祥 于 2019-08-21 设计创作，主要内容包括：公开一种皮带跑偏检测开关,包括：控制箱,包括微动开关,微动开关设于控制箱的箱体内；触发杆,可滑动设于箱体上,其第一端伸入箱体内,第二端露出所述箱体,触发杆用于朝向箱体内内收时触发所述微动开关；立辊,可转动设于触发杆的第二端的端头上,用于与皮带接触并在皮带的带动下转动；发电机,安装于立辊的转轴上,并与控制箱电性连接,发电机的转轴与立辊传动连接,使得发电机的转轴在立辊的带动下转动产生电能,并将电能传输至控制箱存储；当皮带跑偏时,推动触发杆朝向箱体内内收,从而触发微动开关,使得控制箱发出皮带跑偏信号。该检测开关无需要外部供电,无需要更换电池,减少维护量,降低使用成本。还公开一种皮带跑偏控制系统。(Disclosed is a belt deviation detection switch, including: the control box comprises a microswitch, and the microswitch is arranged in a box body of the control box; the trigger rod is slidably arranged on the box body, a first end of the trigger rod extends into the box body, a second end of the trigger rod is exposed out of the box body, and the trigger rod is used for triggering the micro switch when the trigger rod is retracted towards the inside of the box body; the vertical roller is rotatably arranged on the end head of the second end of the trigger rod and is used for being in contact with the belt and rotating under the driving of the belt; the generator is arranged on the rotating shaft of the vertical roller and is electrically connected with the control box, and the rotating shaft of the generator is in transmission connection with the vertical roller, so that the rotating shaft of the generator is driven by the vertical roller to rotate to generate electric energy and transmit the electric energy to the control box for storage; when the belt deviates, the trigger rod is pushed to retract towards the interior of the box body, so that the microswitch is triggered, and the control box sends a belt deviation signal. The detection switch does not need external power supply, does not need to replace a battery, reduces the maintenance amount and reduces the use cost. Also discloses a belt deviation control system.)

1. The utility model provides a belt off tracking detection switch which characterized in that includes:

the control box comprises a microswitch, and the microswitch is arranged in a box body of the control box;

the trigger rod is slidably arranged on the box body of the control box, the first end of the trigger rod extends into the box body, the second end of the trigger rod is exposed out of the box body, and the trigger rod is used for triggering the micro switch when the trigger rod is retracted towards the inside of the box body;

the vertical roller is rotatably arranged on the end head of the second end of the trigger rod and is used for being in contact with the belt and rotating under the driving of the belt;

the generator is arranged on the rotating shaft of the vertical roller and is electrically connected with the control box, and the rotating shaft of the generator is in transmission connection with the vertical roller, so that the rotating shaft of the generator rotates under the driving of the vertical roller to realize a power generation function to obtain electric energy, and the electric energy is transmitted to the control box to be stored so as to provide operation electric energy for the belt deviation detection switch;

when the belt deviates, the trigger rod is pushed to retract towards the inside of the box body, so that the micro switch is triggered, and the control box sends a belt deviation signal.

2. The belt deviation detecting switch according to claim 1, wherein the micro switch includes a body portion, a first connection terminal, a second connection terminal, and an operation cam,

the first wiring terminal and the second wiring terminal are respectively arranged on the body part, the action cam is arranged on the body part in a springback mode, the action cam is matched with the trigger rod for use, and when the trigger rod extrudes the action cam to deflect, the action cam is connected with the first wiring terminal and the second wiring terminal.

3. The belt deviation detecting switch according to claim 2, wherein the control box further comprises a rechargeable battery and a wireless signal transmitter arranged in the box body, the rechargeable battery is electrically connected with the first connecting terminal of the microswitch, and the second connecting terminal is electrically connected with the wireless signal transmitter;

the control box sends a belt deviation signal to the outside through the wireless signal transmitter, and the rechargeable battery is electrically connected with the generator.

4. The belt deviation detecting switch according to claim 3, wherein an alarm is arranged on the control box, and the alarm is electrically connected with the second wiring terminal of the microswitch.

5. The belt deviation detecting switch of claim 4, wherein the alarm is an audible and visual alarm.

6. The belt deviation detecting switch according to claim 1, wherein a sleeve is further arranged on an outer wall of the box body, a spring is arranged in the sleeve, the trigger rod is inserted in the spring in a penetrating manner, and the trigger rod can rebound and reset under the action of the spring.

7. The belt deviation detecting switch of claim 6, wherein a first end of the spring is pressed on the box body, a flange is arranged on the trigger rod, and a second end of the spring is pressed on the flange.

8. The belt deviation detecting switch as claimed in claim 1, wherein the generator is a micro generator, a rotating wheel is disposed on a rotating shaft of the micro generator, and the micro generator is connected with the vertical roller through the rotating wheel in a friction transmission manner.

9. The belt off-tracking detecting switch according to any one of claims 1 to 8, wherein the number of the micro switches is two, and the two micro switches are disposed at a predetermined distance from each other on a sliding path of the trigger lever.

10. A belt deviation control system is characterized by comprising:

a central controller;

the belt deviation detecting switch according to any one of claims 1 to 9, electrically connected to the central controller, for sending a belt deviation signal to the central controller;

and the deviation correcting device is electrically connected with the central controller and is used for receiving an instruction from the central controller to correct the deviation of the deviated belt.

Technical Field

The invention relates to the technical field of belt deviation detection switches, in particular to a belt deviation detection switch and a belt deviation control system comprising the same.

Background

In some places where the belt displacement needs to be measured, such as the position change of the belt, when the position change of the belt reaches a certain degree, real-time detection and alarm are needed to inform a control system, and certain measures are taken to prevent further deviation; for another example, when the belt position changes to a large extent, real-time detection and alarm are needed to inform the control system to immediately take measures to process, otherwise serious consequences can be generated.

In a general control system, the adopted deviation switch is a wired deviation switch, the deviation switch cannot accurately inform the deviation position of the belt, a cable bridge and a laid cable need to be installed in construction, the cost is high, the construction difficulty is high, and the use is inconvenient.

Disclosure of Invention

In view of this, the invention aims to provide a belt deviation detecting switch and a belt deviation control system comprising the same, which do not need external power supply or battery replacement, reduce maintenance amount, are convenient to use, and can reduce use cost, so as to solve the problems in the prior art.

According to a first aspect of the present invention, there is provided a belt deviation detecting switch including:

the control box comprises a microswitch, and the microswitch is arranged in a box body of the control box;

the trigger rod is slidably arranged on the box body of the control box, the first end of the trigger rod extends into the box body, the second end of the trigger rod is exposed out of the box body, and the trigger rod is used for triggering the micro switch when the trigger rod is retracted towards the inside of the box body;

the vertical roller is rotatably arranged on the end head of the second end of the trigger rod and is used for being in contact with the belt and rotating under the driving of the belt;

the generator is arranged on the rotating shaft of the vertical roller and is electrically connected with the control box, and the rotating shaft of the generator is in transmission connection with the vertical roller, so that the rotating shaft of the generator rotates under the driving of the vertical roller to realize a power generation function to obtain electric energy, and the electric energy is transmitted to the control box to be stored so as to provide operation electric energy for the belt deviation detection switch;

when the belt deviates, the trigger rod is pushed to retract towards the inside of the box body, so that the micro switch is triggered, and the control box sends a belt deviation signal.

Preferably, the microswitch comprises a body part, a first connection terminal, a second connection terminal and an action cam,

the first wiring terminal and the second wiring terminal are respectively arranged on the body part, the action cam is arranged on the body part in a springback mode, the action cam is matched with the trigger rod for use, and when the trigger rod extrudes the action cam to deflect, the action cam is connected with the first wiring terminal and the second wiring terminal.

Preferably, the control box further comprises a rechargeable battery and a wireless signal transmitter which are arranged in the box body, the rechargeable battery is electrically connected with the first wiring terminal of the microswitch, and the second wiring terminal is electrically connected with the wireless signal transmitter;

the control box sends a belt deviation signal to the outside through the wireless signal transmitter, and the rechargeable battery is electrically connected with the generator.

Preferably, the control box is provided with an alarm, and the alarm is electrically connected with the second wiring terminal of the microswitch.

Preferably, the alarm is an audible and visual alarm.

Preferably, the outer wall of the box body is further provided with a sleeve, a spring is arranged in the sleeve, the trigger rod is inserted into the spring in a penetrating mode, and the trigger rod can rebound and reset under the action of the spring.

Preferably, a first end of the spring is pressed on the box body, a flange is arranged on the trigger rod, and a second end of the spring is pressed on the flange.

Preferably, the generator is a micro generator, a rotating wheel is arranged on a rotating shaft of the micro generator, and the micro generator is in transmission connection with the vertical roller through the rotating wheel through friction force.

Preferably, the number of the micro switches is two, and the two micro switches are arranged on the sliding path of the trigger rod at a preset distance.

According to a second aspect of the present invention, there is provided a belt deviation control system, comprising:

a central controller;

the belt deviation detection switch is electrically connected with the central controller and is used for sending a belt deviation signal to the central controller;

and the deviation correcting device is electrically connected with the central controller and is used for receiving an instruction from the central controller to correct the deviation of the deviated belt.

The belt off tracking detection switch in this application and including its belt off tracking control system has following beneficial effect:

1. the micro generator is used for generating electric energy in use and storing the electric energy in the rechargeable battery for system use, external power supply is not needed, a cable bridge frame is not needed to be installed, cables are not needed to be laid, construction difficulty is low, use is convenient, the battery is not needed to be replaced, maintenance amount is reduced, and use cost is reduced;

2. the self-generating wireless alarm displacement switch adopts a wireless alarm mode, is different from the traditional wired alarm mode, and is provided with a wireless signal transmitter which can transmit a wireless signal containing position information to inform a control system of the position of belt deviation when a power supply is switched on by a microswitch; the wireless signal transmitter can transmit different signals under the control of the micro switches at different positions to distinguish the position change of the belt, so that a control system can take different measures;

3. the self-generating wireless alarm displacement switch does not need a power supply and a cable circuit when working, thereby reducing the investment and installation of cables, reducing the investment and installation of a cable bridge, reducing the workload, shortening the installation period and reducing the manpower investment;

4. the self-generating wireless alarm displacement switch is provided with an audible and visual alarm, and the audible and visual alarm sends out audible and visual signals while a wireless signal emitter sends out a wireless signal, so that the position of a site can be accurately indicated;

5. the self-generating wireless alarm displacement switch adopts intermittent power supply, only needs electric energy when the belt runs off the track and does not need electric energy at other times, and therefore the consumption of the battery is effectively saved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 shows a schematic structural diagram of a belt deviation detecting switch according to an embodiment of the present invention.

Fig. 2 shows a schematic view of the connection structure of the trigger bar, the vertical roll and the generator.

Fig. 3 shows a schematic structural diagram of a belt deviation control system according to an embodiment of the invention.

In the figure: the belt deviation detecting device comprises a belt deviation detecting switch 100, a control box 1, a box body 11, a mounting foot 111, a first micro switch 12, a second micro switch 13, a body part 131, an action cam 132, a wireless signal transmitter 14, an alarm 15, a trigger rod 2, a vertical roller 3, a generator 4, a rotating wheel 41, a sleeve 5, a spring 6, a rechargeable battery 7, a central controller 200 and a deviation correcting device 300.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

Fig. 1 shows a schematic structural diagram of a belt deviation detecting switch 100 according to an embodiment of the present invention. Fig. 2 shows a schematic view of the connection structure of the trigger lever 2, the edger 3, and the generator 4. As shown in fig. 1 to 2, the present invention provides a belt deviation detecting switch 100, and the belt deviation detecting switch 100 includes a control box 1, a trigger bar 2, a vertical roll 3, and a generator 4. The control box 1 comprises a microswitch, and the microswitch is arranged in a box body 11 of the control box 1; the trigger rod 2 is slidably arranged on the box body 11 of the control box 1, a first end of the trigger rod extends into the box body 11, a second end of the trigger rod is exposed out of the box body 11, and the trigger rod 2 is used for triggering the micro switch when the trigger rod is retracted towards the inside of the box body 11; the vertical roller 3 is rotatably arranged on the end head of the second end of the trigger rod 2 and is used for being in contact with a belt and rotating under the driving of the belt; the generator 4 is installed on the rotating shaft of the vertical roll 3 and electrically connected with the control box 1, and the rotating shaft of the generator 4 is in transmission connection with the vertical roll 3, so that the rotating shaft of the generator 4 is driven by the vertical roll 3 to rotate to achieve a power generation function to obtain electric energy, and the electric energy is transmitted to the control box 1 to be stored to provide operation electric energy for the belt deviation detection switch 100.

When the belt deviates, the trigger rod 2 is pushed to retract towards the inside of the box body 11, so that the micro switch is triggered, and the control box 1 sends a belt deviation signal.

The microswitch comprises a body 131, a first connection terminal, a second connection terminal (not shown) and an action cam 132, wherein the first connection terminal and the second connection terminal are respectively arranged on the body 131, the action cam 132 is arranged on the body 131 in a springback manner, the action cam 132 is matched with the trigger lever 2 for use, and when the trigger lever 2 extrudes the action cam 132, the action cam 132 connects the first connection terminal and the second connection terminal. A torsion spring is sleeved on the rotating shaft of the action cam 132, one end of the torsion spring is fixed on the action cam 132, the other end of the torsion spring is fixed on the body part 131, and the rebound resetting of the action cam 132 is realized through the torsion spring.

Regarding the problem that the actuating cam 132 is pressed to rotate to switch on the first connection terminal and the second connection terminal of the micro switch, in an embodiment, the first connection terminal of the micro switch is electrically connected to the rotating shaft of the micro switch, a copper sheet (not shown) is disposed on the body portion 131, the copper sheet and the rotating shaft of the actuating cam 132 are horizontally disposed and located on one side of the actuating cam 132, and the copper sheet is insulated from the body portion 131 and electrically connected to the second connection terminal of the micro switch. When the action cam 132 is pressed, the action cam rotates towards the copper sheet and is pressed on the copper sheet, so that the first connection terminal and the second connection terminal of the microswitch are electrically connected. Of course, here is only one embodiment in which two terminals of the micro switch are turned on, and the specific embodiment is not limited thereto.

In this embodiment, the number of the micro switches is two, and the micro switches include a first micro switch 12 and a second micro switch 13, and the two micro switches are disposed at a predetermined distance from each other on the sliding path of the trigger lever 2. Wherein the second microswitch 13 is arranged opposite the first microswitch 12, remote from the trigger lever 2.

When the belt is in a light off tracking state, the trigger lever 2 only extrudes the action cam 132 of the first microswitch 12, so that the first connection terminal and the second connection terminal of the first microswitch 12 are connected; when the belt is in a serious deviation state, the first end of the trigger rod 2 is greatly retracted towards the inside of the box body 11, and the trigger rod 2 sequentially extrudes the action cams 132 of the first micro switch 12 and the second micro switch 13, so that two wiring terminals of the first micro switch 12 and the second micro switch 13 are sequentially connected.

The control box 1 further comprises a rechargeable battery 7 and a wireless signal transmitter 14 which are arranged in the box body 11, the rechargeable battery 7 is electrically connected with the first wiring terminal of the microswitch, and the second wiring terminal is electrically connected with the wireless signal transmitter 14. When the micro switch is switched on and then triggers the wireless signal transmitter 14, the control box 1 sends a belt deviation signal to the outside through the wireless signal transmitter 14.

Further, for the off tracking position of accurate instruction belt, make things convenient for the site personnel to look over, be equipped with alarm 15 on the control box 1, alarm 15 with micro-gap switch's second binding post electric connection. When the micro switch is switched on, the alarm 15 is triggered to give an alarm.

In this embodiment, the alarm 15 is an audible and visual alarm 15. The audible and visual alarm 15 gives an alarm, so that the belt deviation position can be better indicated, field operators can be lifted, and the attention of the field operators can be better attracted.

Further, still be equipped with sleeve 5 on the outer wall of box 11, be equipped with spring 6 in the sleeve 5, the break-out of trigger bar 2 in spring 6, the break-out of trigger bar 2 can kick-back and reset under the effect of spring 6. The first end of the spring 6 is extruded on the outer wall of the box body 11, a flange is arranged on the trigger rod 2, and the second end of the spring 6 is extruded on the flange.

Of course, the trigger lever 2 is not limited to the flange, and in an alternative embodiment, a detent is provided on the spring 6, and the second end of the spring 6 is connected to the trigger lever 2 by the detent.

Further, the generator 4 is a micro generator 4, and the micro generator 4 is electrically connected with the rechargeable battery 7, so that the electric energy generated by the micro generator 4 is transmitted to the rechargeable battery 7 for storage and standby. A rotating wheel 41 is arranged on a rotating shaft of the micro-generator 4, and the micro-generator 4 is in transmission connection with the vertical roller 3 through the rotating wheel 41.

In this embodiment, four mounting pins 111 are provided on the outer wall of the electric cabinet 11, and the belt deviation detecting switch 100 is fixed by inserting bolts into the mounting pins 111.

In this embodiment, the rechargeable battery 7 is connected to the first terminals of the first microswitch 12 and the second microswitch 13, the second terminals of the first microswitch 12 and the second microswitch 13 are connected to the wireless signal transmitter 14, the generator 4 is connected to the rechargeable battery 7, and the second terminals of the first microswitch 12 and the second microswitch 13 are connected to the alarm 15 through wires.

It should be noted that, although the connecting wires between the components are crossed in fig. 1, there is no electrical connection relationship between the crossed wires, and the wires are only required to be routed when drawing.

Fig. 3 shows a schematic structural diagram of a belt deviation control system according to an embodiment of the invention. As shown in fig. 3, the present invention further provides a belt deviation control system, which includes a central controller 200, a belt deviation detecting switch 100 and a deviation rectifying device 300. The belt deviation detecting switch 100 is electrically connected with the central controller 200, and is used for sending a belt deviation signal to the central controller 200; the deviation correcting device 300 is electrically connected to the central controller 200, and is configured to receive an instruction from the central controller 200 to correct a deviation of the deviated belt.

When the belt deviation detecting switch 100 of the present invention is applied, the belt deviation detecting switch 100 is installed on, for example, a frame of a belt conveyor, so that the vertical roller 3 of the belt deviation detecting switch 100 is located on an outer ring of the belt and is in pressing contact with the belt. When the belt deviation detecting switch 100 is specifically set, the belt deviation detecting switch can be set at a plurality of positions of one belt conveyor. When the belt deviates, the deviating belt pushes the trigger rod 2 of at least one of the belt deviation detection switches 100 (generally, one of the trigger rods 2 is pushed), so that the trigger rod 2 is retracted towards the inside of the electric cabinet 11. When the deviation of the belt is light, the first end of the trigger rod 2 only presses the action cam 132 of the first microswitch 12 to rotate, so that two wiring terminals of the first microswitch 12 are switched on, at the moment, the rechargeable battery 7 supplies power to the wireless signal transmitter 14 and the alarm 15, so that the wireless signal transmitter 14 sends a primary belt deviation signal to a wireless signal receiver of the central controller 200, the central controller 200 sends a deviation rectifying instruction to the deviation rectifying device 300 to rectify the deviated belt, and meanwhile, the alarm 15 is triggered to accurately indicate the belt deviation position; when the belt is seriously deviated, the trigger rod 2 is continuously retracted to trigger the second microswitch 13 to be switched on, at the moment, the wireless signal transmitter 14 sends a secondary belt deviation signal to the central controller 200, the central controller 200 sends a deviation rectifying instruction to the deviation rectifying device 300 to rectify the deviated belt, and meanwhile, the alarm 15 is triggered to accurately indicate the belt deviation position. So, just realize the secondary detection to the belt off tracking to divide the condition to carry out severity and remind, effectively ensured the security of belt operation.

The belt deviation detection switch 100 in this application has following beneficial effect:

1. the micro generator 4 is arranged, generates electric energy when in use, stores the electric energy in the rechargeable battery 7 for system use, does not need external power supply, does not need to install a cable bridge and lay cables, has small construction difficulty and convenient use, does not need to replace the battery, reduces maintenance amount and reduces use cost;

2. the self-generating wireless alarm displacement switch adopts a wireless alarm mode, which is different from the traditional wired alarm mode, and is provided with a wireless signal emitter 14, when a power supply is switched on by a microswitch, a wireless signal containing position information can be emitted to inform a control system of the position of belt deviation; the wireless signal transmitter 14 can transmit different signals under the control of the micro switches at different positions to distinguish the size of the position change of the belt, so that the control system can take different measures;

3. the self-generating wireless alarm displacement switch does not need a power supply and a cable circuit when working, thereby reducing the investment and installation of cables, reducing the investment and installation of a cable bridge, reducing the workload, shortening the installation period and reducing the manpower investment;

4. the self-generating wireless alarm displacement switch is provided with an audible and visual alarm 15, and the audible and visual alarm 15 can emit audible and visual signals while the wireless signal emitter 14 emits wireless signals, so that the position of a site can be accurately indicated;

5. the self-generating wireless alarm displacement switch adopts intermittent power supply, only needs electric energy when the belt runs off the track and does not need electric energy at other times, and therefore the consumption of the battery is effectively saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.