CN220484484U - Alarming emergency stop device for personnel falling beside reversed loader - Google Patents
Alarming emergency stop device for personnel falling beside reversed loader Download PDFInfo
- Publication number
- CN220484484U CN220484484U CN202321884532.7U CN202321884532U CN220484484U CN 220484484 U CN220484484 U CN 220484484U CN 202321884532 U CN202321884532 U CN 202321884532U CN 220484484 U CN220484484 U CN 220484484U
- Authority
- CN
- China
- Prior art keywords
- human body
- signal
- body sensor
- induction sensor
- body induction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003028 elevating effect Effects 0.000 claims description 15
- 238000005065 mining Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims 2
- 230000006698 induction Effects 0.000 abstract description 34
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Control Of Conveyors (AREA)
Abstract
The utility model discloses an alarming emergency stop device for people falling beside a transfer conveyor, which comprises the transfer conveyor with a conveying roadway connected with a slide discharge opening, wherein a first human body induction sensor is arranged at a distance from the side wall of the transfer conveyor to the slide discharge opening, a second human body induction sensor is arranged at intervals from the first human body induction sensor, the signal output of the first human body induction sensor and the signal output of the second human body induction sensor are connected with a PLC (programmable logic controller), the control output of the PLC is respectively connected with a lower computer stop input circuit and an acoustic-optical generator of the transfer conveyor, the PLC sends out an early warning acoustic-optical signal to remind the people to enter an early warning area after receiving the signal of the first human body induction sensor, and the alarm outputs a stop signal to the lower computer stop input circuit to stop the transfer conveyor after receiving the signal of the second human body induction sensor. The utility model can prevent casualties from happening under the condition of ensuring the normal operation of equipment.
Description
Technical Field
The utility model relates to an alarming emergency stop device for personnel falling into a side of a reversed loader.
Background
In the fully-mechanized mining and fully-mechanized caving face, a space is reserved between a transfer machine arranged in a conveying tunnel and the discharge lap joint of the front and rear conveyor heads and an end bracket, and a protective fence (or a protective chain) is arranged, so that the space between the side walls of the transfer machine tunnel is narrow, and when workers work, the transfer machine in operation causes great harm to the production of the work and the safety of maintenance personnel, and is a site with frequent accidents. After the operator mistakenly enters a narrow space beside the reversed loader, the distance between the operation site and the reversed loader is not easy to find, if the machine is not stopped in time, the operator can enter the reversed loader crusher, and casualties are caused.
Disclosure of Invention
The utility model provides an alarming emergency stop device for people falling into the side of a reversed loader aiming at the problems, and the sensor is arranged between the reversed loader and a unloading machine head of a conveyor, so that once people mistakenly enter the area, the sensor monitors that the reversed loader stops running, and the occurrence of casualties is prevented.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a personnel drop into other warning scram device of elevating conveyor, includes elevating conveyor and the PLC controller that sets up at the transportation tunnel, and elevating conveyor links up the swift current discharge mouth and will follow the colliery that the swift current discharge mouth was sent and transfer to the next process, wherein: the transfer conveyor comprises a transfer conveyor body, a transfer conveyor, a lower computer stop input circuit, an acousto-optic generator, a PLC (programmable logic controller) controller, a warning acousto-optic generator, a warning area and a dangerous acousto-optic signal, wherein the transfer conveyor body is horizontally arranged at a distance from a slide discharge opening to the transfer conveyor body, a first human body induction sensor is horizontally arranged between the transfer conveyor body and the transfer conveyor body, a second human body induction sensor is horizontally arranged between the transfer conveyor body and the transfer conveyor body, the first human body induction sensor and the transfer conveyor body is horizontally arranged at a distance from the slide discharge opening, the first human body induction sensor and the second human body induction sensor are horizontally arranged at intervals, the first human body induction sensor signal output and the second human body induction sensor signal output are respectively connected with two signal input ends of the PLC controller, one output end of the PLC controller is connected with the lower computer stop input circuit of the transfer conveyor body, the other output end of the PLC controller is connected with the acousto-optic generator, the PLC controller triggers the acousto-optic generator to send out warning acousto-optic signal after receiving the first human body induction sensor signal, the first human body induction sensor signal is triggered to send out dangerous acousto-optic signal to the warning area, and the PLC controller receives the second human body signal.
The scheme is further as follows: the first human body induction sensor and the second human body induction sensor are mining intrinsic safety type pyroelectric infrared sensors respectively.
The scheme is further as follows: the early warning sound-light signal and the dangerous sound-light signal are signals with two different sounds and different light shining.
The scheme is further as follows: the alarm emergency stop device is also provided with an explosion-proof reset button, the explosion-proof reset button is connected with a third signal input end of the PLC controller, and after the alarm is released, the alarm signal output of the PLC controller is released by pressing the explosion-proof reset button, so that the normal operation of the reversed loader is restored.
The scheme is further as follows: the horizontal distance of the first human body induction sensor from the slide discharge opening is 1.5m to 2m, the distance of the second human body induction sensor from the first human body induction sensor is 2m, holes are formed in the position, 1.3m to 1.5m, of the side wall of the transfer conveyor from the ground, and the first human body induction sensor and the second human body induction sensor are respectively fixed in the holes.
The beneficial effects of the utility model are as follows: through setting up the sensor between the elevating conveyor and conveyer aircraft nose unloading is taken to two sensor settings around being, set up respectively in warning area and shut down the region, make personnel once mistake income warning area and be reminded, once being monitored by the regional sensor of shut down, stop elevating conveyor operation immediately, prevent the emergence of casualties accident under the circumstances of guaranteeing equipment normal operating.
The utility model is described in detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Detailed Description
The utility model provides a personnel drop into other warning scram device of elevating conveyor, as shown in fig. 1, warning scram device includes elevating conveyor 1 and the PLC controller 2 that set up in the transportation tunnel, and elevating conveyor links up the coal mine that the swift current discharge opening was sent out to the next process with swift current discharge opening 3, wherein: a first human body induction sensor 4 is arranged on the side wall of the reversed loader 1 horizontally at a distance from the slide discharge opening 3, the distance is determined according to the position of a warning area, the reversed loader is usually arranged in a range of 1.5m to 2m, a second human body induction sensor 5 is horizontally arranged at a distance from the first human body induction sensor 4, and the distance of the horizontal interval is usually 2m; for safety, the first human body induction sensor and the second human body induction sensor are mining intrinsic safety type pyroelectric infrared sensors with the model number of GUR6 respectively; the signal output of the first human body induction sensor 4 and the signal output of the second human body induction sensor 5 are respectively connected with two signal input ends of the PLC controller 2, one output end of the PLC controller 2 is connected with a lower computer stop input circuit 101 of the reversed loader to control the reversed loader to stop running, the other output end of the PLC controller 2 is connected with an acousto-optic generator 6, the PLC controller 2 triggers the acousto-optic generator 6 to send an early warning acousto-optic signal to remind a person to enter an early warning area after receiving the signal of the first human body induction sensor 4, the PLC controller 2 triggers the acousto-optic generator 6 to send a dangerous acousto-optic signal after receiving the signal of the second human body induction sensor 4, and meanwhile outputs a stop signal to the lower computer stop input circuit to stop the operation of the reversed loader 1.
Wherein: the acousto-optic generator 6 is a mining flameproof and intrinsically safe acousto-optic generator 6 with the model of KXB127, and the early warning acousto-optic signal and the dangerous acousto-optic signal are signals for emitting two different sounds and flashing different lights, for example: the early warning sound and light signals are intermittent sound and light signals, and the dangerous sound and light signals are continuous sound and light signals.
In the examples: the alarm emergency stop device is also provided with an explosion-proof reset button 7, the explosion-proof reset button 7 is connected with a third signal input end of the PLC controller 2, and after the alarm is released, the alarm signal output of the PLC controller 2 is released by pressing the explosion-proof reset button 7, so that the normal operation of the reversed loader 1 is restored.
In the embodiment, holes are formed in the position, which is 1.3m to 1.5m away from the ground, of the side wall of the reversed loader, and the first human body induction sensor and the second human body induction sensor are respectively fixed in the holes.
The specific implementation method comprises the following steps: because the intrinsic safety type pyroelectric infrared sensor is a curtain type detector, the detection angle is 110 degrees, and when personnel drop into a slit of a reversed loader, the minimum width of the personnel body is 500mm, so according to field test, the first sensor is arranged at the pedestrian side of the reversed loader and is at a position 720mm away from the bottom plate of the reversed loader. The second sensor is located 2m from the first sensor in the direction of the machine head and has a height of 720mm.
According to the embodiment, the sensor is arranged between the reversed loader and the unloading machine head of the conveyor, the front sensor and the rear sensor are respectively arranged in the warning area and the stopping area, so that a person is reminded once entering the warning area by mistake, and once the person is monitored by the stopping area sensor, the reversed loader is stopped to run immediately, and the occurrence of casualties is prevented under the condition that the normal running of equipment is ensured.
Claims (5)
1. The utility model provides a personnel drop into the other warning scram device of elevating conveyor, includes elevating conveyor and the PLC controller that sets up at the transportation tunnel, elevating conveyor links up the swift current discharge opening and will send out from the colliery of swift current discharge opening and transfer to the next process, its characterized in that is provided with first human body sensor at elevating conveyor lateral wall level distance swift current discharge opening a section distance, is provided with the second human body sensor with first human body sensor horizontal interval, first human body sensor signal output with two signal input part of PLC controller are connected respectively to second human body sensor signal output, and the lower computer stop input circuit of elevating conveyor is connected to one output of PLC controller, and the acousto-optic generator is connected to another output of PLC controller, and the PLC controller triggers the acousto-optic generator after receiving first human body sensor signal and sends out the warning acousto-optic signal after receiving the second human body sensor signal and triggers the acousto-optic generator and send dangerous acousto-optic signal, simultaneously output stop signal to stop the operation of elevating conveyor stop input circuit of elevating conveyor.
2. The alarm emergency stop device according to claim 1, wherein the first and second human body sensing sensors are mining intrinsic safety type pyroelectric infrared sensors, respectively.
3. The alarm emergency stop device of claim 1, wherein the pre-alarm audible and visual signals and the hazard audible and visual signals are two different sounds and different light flashing signals.
4. The alarm emergency stop device according to claim 3, wherein the alarm emergency stop device is further provided with an explosion-proof reset button, the explosion-proof reset button is connected to a third signal input end of the PLC controller, and when the alarm is released, the alarm signal output of the PLC controller is released by pressing the explosion-proof reset button, and the normal operation of the transfer machine is resumed.
5. The alarm emergency stop device according to claim 1, wherein the first human body sensor is horizontally spaced from the slide discharge opening by a distance of 1.5m to 2m, the second human body sensor is spaced from the first human body sensor by a distance of 2m, a hole is formed in a position of 1.3m to 1.5m from the ground on the side wall of the transfer conveyor, and the first human body sensor and the second human body sensor are respectively fixed in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884532.7U CN220484484U (en) | 2023-07-18 | 2023-07-18 | Alarming emergency stop device for personnel falling beside reversed loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884532.7U CN220484484U (en) | 2023-07-18 | 2023-07-18 | Alarming emergency stop device for personnel falling beside reversed loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220484484U true CN220484484U (en) | 2024-02-13 |
Family
ID=89836813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321884532.7U Active CN220484484U (en) | 2023-07-18 | 2023-07-18 | Alarming emergency stop device for personnel falling beside reversed loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220484484U (en) |
-
2023
- 2023-07-18 CN CN202321884532.7U patent/CN220484484U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204489903U (en) | Band conveyor safety detection protective device | |
| CN220484484U (en) | Alarming emergency stop device for personnel falling beside reversed loader | |
| CN201665424U (en) | Monitoring device for personnel on coal mine belt conveyor | |
| CN206187915U (en) | Band conveyer safety protection system | |
| CN105151717B (en) | Metal detector for belt conveyer | |
| CN207601982U (en) | A kind of belt-conveying monitoring and alarming system | |
| CN203237720U (en) | Omnibearing conveying belt intelligent monitoring and protecting system | |
| CN211395457U (en) | Traffic cone turnover alarm system | |
| CN216188708U (en) | Belt anti-tearing protection device suitable for TBM | |
| CN209444372U (en) | A kind of development machine pedestrains safety warning/locking device | |
| CN204777390U (en) | Rubber belt conveyor protection device | |
| CN206705159U (en) | A kind of mine belt conveyor monitoring device safe for operation | |
| CN207002048U (en) | A kind of protecting against collision of driving vehicles device | |
| CN217028912U (en) | Heading machine with early warning function | |
| CN108678809A (en) | A kind of safety monitoring device for mine based on computer control | |
| CN214063039U (en) | Intelligent monitoring device for mining auxiliary transportation system | |
| CN105035681A (en) | Belt-conveyer taken person offside monitoring system based on DSP | |
| CN104912595B (en) | Mining man-machine locking system and control method | |
| CN202187763U (en) | Tunneller | |
| CN210515600U (en) | Personnel safety detection system based on three-dimensional image and intelligent video technology | |
| CN106809717A (en) | A kind of supporting safety device of escalator | |
| CN214878025U (en) | Safety alarm locking device for inspection and repair of reversed loader | |
| CN206144600U (en) | Inclined shaft safety transport corridor | |
| CN208631521U (en) | A kind of coal conveyer belt safety alarm device | |
| CN219448281U (en) | Failure alarm power-off protection system for protection net of belt conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |