CN211604264U - Dead zone roof caving recording and alarming device - Google Patents
Dead zone roof caving recording and alarming device Download PDFInfo
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- CN211604264U CN211604264U CN201921755110.3U CN201921755110U CN211604264U CN 211604264 U CN211604264 U CN 211604264U CN 201921755110 U CN201921755110 U CN 201921755110U CN 211604264 U CN211604264 U CN 211604264U
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Abstract
The utility model relates to a recording and alarming device for roof fall in dead zone, which comprises a switch stay wire, a ground surface recording and alarming device and a monitoring point pendant which are respectively connected with the two ends of the switch stay wire, wherein the switch stay wire adopts a nylon thin rope, and the monitoring point pendant adopts cement lump; the earth surface recording and alarming device comprises a closed power supply box, a bidirectional switch and a power supply which are arranged in the power supply box and are mutually connected, a loudspeaker and a timer which are respectively connected with the power supply, and a signal lamp which is connected with the loudspeaker in series, wherein the signal lamp and the timer are respectively connected with two wiring ends of the bidirectional switch, and a movable end of the bidirectional switch, which is matched with the two wiring ends, is connected with a switch pull wire. The device realizes tracking monitoring and safety alarm of roof rock mass caving in the empty area by using simple circuit arrangement, has the characteristics of simple and convenient design and operation, safety, reliability, flexible circuit arrangement and the like, and can bring better economic benefit and social benefit to mines.
Description
Technical Field
This patent application belongs to dead zone country rock alarm device technical field, and more specifically says, relates to a dead zone roof caving record alarm device.
Background
With the rapid development of industry, mineral resources are continuously developed and utilized, and more goafs bring more threats to underground safety production. The monitoring of the stability of surrounding rocks in the goaf and the roof caving rule is necessary, and the research on the simple recording and alarming device for the roof caving in the goaf has great significance in recording and early warning of the roof caving in the movable goaf.
The surrounding rock in the dead zone is very easy to cause instability and caving under the interference of long-time exposure or blasting mining vibration of surrounding mine rooms, safety hazards are brought to continuous mining of underground ore body resources and surface industrial activities, so that researchers are urgently required to perform early warning and forecasting on goaf caving rules and roof caving, a simple goaf roof caving recording and alarming device placed in geological drilling holes is researched, the simple goaf roof caving recording and alarming device is applied to the monitoring and recording process of roof caving in the metastable movable goaf, and the underground safety production and disaster avoidance are very important.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a dead zone roof caving record alarm device, can effectively monitor collecting space zone country rock stability and roof caving law.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is:
a recording and alarming device for roof fall in a dead zone comprises a switch stay wire, a ground surface recording and alarming device and a monitoring point pendant, wherein the ground surface recording and alarming device and the monitoring point pendant are respectively connected to two ends of the switch stay wire; the earth surface recording and alarming device comprises a closed power supply box, a bidirectional switch and a power supply which are arranged in the power supply box and are mutually connected, a loudspeaker and a timer which are respectively connected with the power supply, and a signal lamp which is connected with the loudspeaker in series, wherein the signal lamp and the timer are respectively connected with two wiring ends of the bidirectional switch, and a movable end of the bidirectional switch, which is matched with the two wiring ends, is connected with a switch pull wire.
The utility model discloses technical scheme's further improvement lies in: the outer wall of the closed power box is provided with a hollow lead hole, and the movable end of the bidirectional switch is connected with a switch pull wire through the hollow lead hole.
The utility model discloses technical scheme's further improvement lies in: the loudspeaker comprises a base, a circular loudspeaker body arranged on the base through screws, and a plurality of radiating fins arranged on the loudspeaker body, wherein the radiating fins are of a multilayer arc structure which is symmetrically arranged, and each group of radiating fins are arranged towards the outer side of the loudspeaker body.
The utility model discloses technical scheme's further improvement lies in: the signal lamp is an LED signal lamp.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains is:
the utility model discloses in use utilizes simple and easy circuit arrangement to realize tracking monitoring and safety alarm to the falling of empty district roof rock mass, has characteristics such as design easy and simple to handle, safe and reliable, circuit arrangement are nimble, can bring better economic benefits and social for the mine mountain. The loudspeaker that sets up simple structure, the practicality is strong, and convenient to use has heat radiation fins on the speaker body, and the speaker heat dissipation is fast, can guarantee good tone quality, speaker and base zonulae occludens, and occupation space is little.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic connection diagram of the surface recording alarm device of the present invention;
fig. 3 is a schematic structural diagram of the speaker of the present invention;
wherein: 1. the device comprises a bidirectional switch, 2, a power supply, 3, a closed power supply box, 4, a signal lamp, 5, a loudspeaker, 51, a loudspeaker body, 52, a base, 53, screws, 54, radiating fins, 6, a timer, 7, a switch pull wire, 8, a ground surface recording alarm device, 9, a monitoring point pendant, 10, a ground surface, 11 and a goaf.
Detailed Description
The present invention will be described in further detail with reference to examples.
The utility model discloses a dead zone roof fall recording and alarming device, which comprises a switch stay wire 7, a ground surface recording and alarming device 8 and a monitoring point pendant 9 which are respectively connected with the two ends of the switch stay wire 7, wherein the switch stay wire 7 adopts a nylon thin rope, and the monitoring point pendant 9 adopts cement lumps (preferably light cement lumps, and also can adopt other heavy objects such as metal blocks and stones); the ground surface recording alarm device 8 comprises a closed power supply box 3, a bidirectional switch 1 and a power supply 2 which are arranged in the power supply box 3 and are connected with each other, a loudspeaker 5 and a timer 6 which are respectively connected with the power supply 2, and a signal lamp 4 which is connected with the loudspeaker 5 in series, wherein the signal lamp 4 and the timer 6 are respectively connected with two wiring ends of the bidirectional switch 1, and the movable end of the bidirectional switch 1 matched with the two wiring ends is connected with a switch pull wire 7. The outer wall of the closed power box 3 is provided with a hollow lead hole, and the movable end of the bidirectional switch 1 is connected with a switch pull wire 7 through the hollow lead hole.
The speaker 5 includes a base 52, a circular speaker body 51 disposed on the base 52 by screws 53, and a plurality of heat dissipation fins 54 disposed on the speaker body 51, wherein the heat dissipation fins 54 are symmetrically disposed in a multi-layer arc structure, and each set of heat dissipation fins 54 is disposed toward the outer side of the speaker body 51. The loudspeaker 5 is simple, practical and convenient, the heat radiating fins 54 are arranged on the loudspeaker body 51, the loudspeaker 5 can radiate heat quickly, good tone quality can be guaranteed, the loudspeaker body 51 is tightly connected with the base 52, the occupied space is small, and the installation is convenient.
The signal lamp 4 is an LED signal lamp.
The utility model discloses when field application, on 11 roofs in collecting space area overlying strata's the earth's surface 10, bore the monitoring geology drilling of the different degree of depth according to roof rock stratum thickness. The monitoring point hanging weight 9 is hung at the bottom of the drill hole by using the switch pull wire 7, and the other end of the switch pull wire 7 is connected to the bidirectional switch 1 of the ground surface recording alarm device 8. The initial connection state of the bidirectional switch 1 is such that the timer 6 in the parallel line and the power supply 2 form a path, and the initial value of the timer 6 is set to zero (the timer 6 is an instrument which can manually restore the initial value, and includes three values of day, time, and minutes, and can record the maximum time as 2 years). When the roof of the goaf 11 falls to the bottom of a geological drilling hole, the monitoring point pendant 9 is driven to fall, the switch pull wire 7 is pulled to pull the two-way switch 1 to cut off the power of the line where the timer 6 is located (at the moment, the data of the timer 6 is the duration time from the observation date to the monitoring point pendant 9 falling along with the roof), and meanwhile, the signal lamp 4 and the loudspeaker 5 which have the alarm function in the parallel line are communicated to send out an alarm signal.
The goaf roof caving recording alarm device is suitable for production mines with subsurface activity metastable goafs, and particularly suitable for mines with concentrated goaf distribution, tracking and recording requirements on the caving time of the goaf roof rock mass and high requirements on surface safety environment.
Claims (4)
1. The utility model provides a dead zone roof caving record alarm device which characterized in that: the monitoring device comprises a switch pull wire (7), a ground surface recording alarm device (8) and a monitoring point pendant (9), wherein the ground surface recording alarm device and the monitoring point pendant (9) are respectively connected to two ends of the switch pull wire (7), the switch pull wire (7) adopts a nylon thin rope, and the monitoring point pendant (9) adopts cement lumps; the earth surface recording alarm device (8) comprises a closed power supply box (3), a bidirectional switch (1) and a power supply (2) which are arranged in the power supply box (3) and are connected with each other, a loudspeaker (5) and a timer (6) which are respectively connected with the power supply (2), and a signal lamp (4) which is connected with the loudspeaker (5) in series, wherein the signal lamp (4) and the timer (6) are respectively connected with two wiring ends of the bidirectional switch (1), and the movable end of the bidirectional switch (1) matched with the two wiring ends is connected with a switch pull wire (7).
2. The dead zone roof fall recording and alarming device of claim 1, wherein: the outer wall of the closed power box (3) is provided with a hollow lead hole, and the movable end of the bidirectional switch (1) is connected with a switch pull wire (7) through the hollow lead hole.
3. A dead zone roof fall recording and warning device as claimed in claim 2, wherein: the loudspeaker (5) comprises a base (52), a circular loudspeaker body (51) arranged on the base (52) through screws (53), and a plurality of radiating fins (54) arranged on the loudspeaker body (51), wherein the radiating fins (54) are of a multilayer arc structure which are symmetrically arranged, and each group of radiating fins (54) are arranged towards the outer side of the loudspeaker body (51).
4. A dead zone roof fall recording and warning device as claimed in claim 3, wherein: the signal lamp (4) is an LED signal lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921755110.3U CN211604264U (en) | 2019-10-18 | 2019-10-18 | Dead zone roof caving recording and alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921755110.3U CN211604264U (en) | 2019-10-18 | 2019-10-18 | Dead zone roof caving recording and alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211604264U true CN211604264U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921755110.3U Active CN211604264U (en) | 2019-10-18 | 2019-10-18 | Dead zone roof caving recording and alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211604264U (en) |
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2019
- 2019-10-18 CN CN201921755110.3U patent/CN211604264U/en active Active
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