CN115480044A - Geological disaster early warning device for landslide and application method thereof - Google Patents
Geological disaster early warning device for landslide and application method thereof Download PDFInfo
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- CN115480044A CN115480044A CN202211138533.7A CN202211138533A CN115480044A CN 115480044 A CN115480044 A CN 115480044A CN 202211138533 A CN202211138533 A CN 202211138533A CN 115480044 A CN115480044 A CN 115480044A
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- 239000003086 colorant Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
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- G—PHYSICS
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
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Abstract
The invention discloses a geological disaster early warning device for landslide, which comprises a sleeve vertically arranged in a landslide body, a sliding block and an installation table, wherein the sliding block is arranged on the sleeve in a sliding manner, the side surface of the installation table is hinged with a rotating block and a first gear, one end of the rotating block is provided with a traction rope connected with the upper end of the sliding block, the other end of the rotating block is provided with a second gear meshed with the first gear, and the transmission ratio of the first gear to the second gear is greater than 1; a rotating speed sensor for measuring the rotating speed of the first gear and the number of times of shielding parallel light of the trigger rod are arranged on the mounting table; the invention also discloses a using method, which comprises the steps S1-S4. The method can determine whether the landslide occurs or not and also determine the severity of the landslide; and two measuring devices are arranged to determine landslide, so that the reliability of early warning is improved.
Description
Technical Field
The invention relates to the technical field of landslide, in particular to a geological disaster early warning device for landslide and a using method thereof.
Background
The landslide refers to the action and phenomenon that a certain part of rock and soil on a mountain slope generates shearing displacement along a certain weak structural plane (belt) under the action of gravity (including the gravity of the rock and soil and the dynamic and static pressure of underground water) and integrally moves to the lower part of the slope.
At present, a landslide early warning device is often used to avoid the influence of landslide on the life safety of people; however, the monitoring index of the conventional landslide early warning device is single, and the early warning reliability is low because the early warning device usually predicts by only monitoring the opening size of a crack or by only monitoring the pore water pressure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the early warning device for the geological disaster of the landslide with high reliability and the using method thereof.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
in a first aspect, a geological disaster early warning device for landslide is provided, which includes:
the sleeve is vertically arranged in the landslide body, the lower end of the sleeve is fixedly connected with the stable bedrock, and a sliding block for sensing the sliding of the landslide body is arranged on the sleeve in a sliding manner;
one end of the workbench is fixedly connected with the stable bedrock;
the mounting table is arranged on the workbench, the side surface of the mounting table is hinged with a rotating block and a first gear, one end of the rotating block is provided with a traction rope connected with the upper end of the sliding block, the other end of the rotating block is provided with a second gear meshed with the first gear, and the transmission ratio of the first gear to the second gear is greater than 1;
a rotation speed sensor arranged on the mounting table and used for measuring the rotation speed of the first gear;
the trigger rod is fixedly arranged on the first gear and is positioned between the first gear and the mounting table;
the photoelectric counter is arranged on the mounting table and used for measuring the frequency of the trigger rod for shielding the parallel light of the trigger rod;
the control unit, its with rotational speed sensor, photoelectric counter and a plurality of warning light electricity connection with different colours representation mountain landslide circumstances, it includes:
the receiving module is used for receiving the rotating speed information of the first gear and the triggering frequency information of the photoelectric counter;
the calculation module is used for calculating the angular acceleration information of the first gear according to the rotating speed information of the first gear;
the judging module is used for judging the landslide condition according to the angular acceleration information of the first gear and the triggering frequency information of the photoelectric counter;
and the execution module is used for controlling the warning lamps with different colors to be lightened according to the landslide condition.
The beneficial effects of adopting the above technical scheme are: the vertical motion of the landslide is represented by the sliding of the sliding block on the sleeve, the sliding block can vertically slide downwards and pull the traction rope downwards when being influenced by the sliding of the landslide body, so that the rotating block rotates and drives the first gear to rotate through the second gear, the rotating speed of the first gear is measured through the rotating speed sensor, the angular acceleration of the first gear is calculated, whether the vertical displacement of the landslide body is changed in an accelerated manner or not is reversely deduced, and whether the landslide body landslide occurs or not is determined; in addition, the photoelectric counter determines the size of the vertical displacement of the landslide body according to the triggering times, and further determines the severity of the landslide; in the scheme, two measuring devices are arranged to determine landslide, so that the reliability of early warning is improved;
the landslide situation is represented by the warning lamps with different colors, so that people can determine the severity of the landslide through the lighted warning lamps with different colors, and people can escape or deal with the landslide;
through the matching of the first gear and the second gear, the vertical displacement condition of the landslide can be amplified, the measurement of a rotating speed sensor is facilitated, and the photoelectric counter is also facilitated to determine the severity of the landslide;
the mounting table and the parts on the mounting table are stably fixed in the stable bedrock through the workbench, so that the influence on the mounting table and the parts on the mounting table during landslide is favorably avoided, and the reliability of early warning is improved.
Further, the sliding block includes that the slip sets up first slider and the second slider on the sleeve pipe, and the connection can be dismantled in the upper end of first slider to the second slider, and the inboard upper portion of first slider is provided with a plurality of mounting grooves, is provided with a plurality of spheroids with the contact of sleeve pipe outer wall in the mounting groove.
The beneficial effects of adopting the above technical scheme are: the second sliding body is detachably connected to the upper end of the first sliding body, so that a plurality of balls can be conveniently arranged in the mounting groove; the second sliding body generates rolling friction between the ball body and the outer wall of the sleeve, and the resistance of the outer wall of the sleeve to the sliding block is reduced.
Furthermore, a first sealing body is arranged between the lower part of the first sliding body and the sleeve, and a second sealing body is arranged between the second sliding body and the sleeve; the effect of the ball body is prevented from being influenced by water, soil or silt entering the mounting groove through the first sealing body and the second sealing body.
Further, first slider is the round platform of middle part trompil, and the sectional area on first slider upper portion is greater than the sectional area of first slider lower part to be favorable to the vertical downstream of sliding block.
Further, the vertical sand grip that is provided with on the sheathed tube outer wall, on first sliding body and the second sliding body respectively the vertical first logical groove and the second that are provided with the sand grip assorted lead to the groove to avoid leading to the haulage rope to twine on the sleeve pipe because of the sliding block rotates on the sleeve pipe, thereby ensure the normal slip of sliding block and ensure the reliability of measuring and early warning.
Furthermore, a baffle plate is arranged below the sleeve, and a reinforced concrete structure anchored with the stable bedrock is arranged below the baffle plate; the lower end of the workbench is provided with a plurality of connecting rods anchored with the stable bedrock; the sleeve pipe is anchored in the stable bedrock through the reinforced concrete structure, and the workbench is anchored in the stable bedrock through the connecting rod, so that the stability of the sleeve pipe, the workbench and all parts on the workbench is ensured.
Furthermore, a plurality of through holes are vertically formed in the side wall of the sleeve, a filter screen is arranged at the through holes, and a plurality of pressure sensors electrically connected with the control unit are vertically arranged in the sleeve; the through hole can make the water in the landslide body get into the sleeve intraductally, and the ground in the landslide body can be avoided to the filter screen gets into the sleeve pipe, and pressure sensor then can measure the water pressure to monitor the water level, be favorable to judging whether to have the landslide risk and conveniently handle according to the water level.
Furthermore, a working hole and a first pulley positioned above the working hole are arranged on the workbench, the working hole is positioned above the sleeve, a second pulley is arranged on the mounting platform, and a traction rope is wound on the first pulley and the second pulley; the working hole is formed in the working platform, so that the construction operation plate group can conveniently perform drilling operation on the position before the sleeve is placed; and the first pulley and the second pulley play a steering role in the traction rope, so that the traction rope can be extended to the rotating block.
Furthermore, a control box is arranged on the workbench, a storage battery, a solar controller electrically connected with the storage battery and a control unit are arranged in the control box, and a solar panel electrically connected with the solar controller is arranged at the upper end of the control box; the solar panel absorbs solar energy and converts the solar energy into electric energy, so as to charge the storage battery and further supply power to the control unit, the photoelectric counter and the rotating speed sensor.
In a second aspect, a use method of the geological disaster early warning device for landslide is further provided, and the use method comprises the following steps:
s1: acquiring rotating speed information of a first gear and triggering frequency information of a photoelectric counter;
s2: calculating angular acceleration information of the first gear according to the rotating speed information of the first gear;
s3: judging the landslide condition according to the angular acceleration information of the first gear and the triggering frequency information of the photoelectric counter;
if the angular acceleration is not increased, no landslide occurs;
if the angular acceleration is increased and the photoelectric counter is triggered once, the landslide is a common landslide;
if the angular acceleration is increased and the photoelectric counter is triggered twice, the landslide is a heavier landslide;
if the angular acceleration is increased and the triggering frequency of the photoelectric counter is greater than two times, the landslide is a serious landslide;
s4: according to the landslide situation, the warning lamps with different colors are controlled to be lightened.
Drawings
FIG. 1 is a schematic structural diagram of a landslide geological disaster early warning device;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the structure at C in FIG. 1;
the device comprises a base rock, a landslide body, a reinforced concrete structure, a steel bar in the circumferential direction, 302, a vertical steel bar, 4, a sliding block, 401, a first sliding body, 402, a second sliding body, 5, a sleeve, 6, a working hole, 7, a traction rope, 8, a first pulley, 9, a workbench, 10, a second gear, 11, a second pulley, 12, a rotating block, 13, a first gear, 14, an installation platform, 15, a solar panel, 16, a control box, 17, a control unit, 18, a connecting rod, 19, a trigger rod, 20, a rotating speed sensor, 21, a photoelectric counter, 22, a first through groove, 23, a convex strip, 24, a grouting pipe, 25, a first sealing body, 26, a sphere, 27, an installation groove, 28, a second sealing body, 29, a grouting hole, 30, a baffle, 31 and a second through groove.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined by the appended claims, and all changes that can be made by the invention using the inventive concept are intended to be protected.
As shown in fig. 1 and fig. 2, the present solution provides a geological disaster early warning device for landslide, which includes:
the sleeve 5 is vertically arranged in the landslide body 2, the lower end of the sleeve is fixedly connected with the stable bedrock 1, and a sliding block 4 for sensing the sliding of the landslide body is arranged on the sleeve in a sliding mode; one end of the workbench 9 is fixedly connected with the stable bedrock 1; the installation table 14 is arranged on the workbench 9, the side surface of the installation table is hinged with a rotating block 12 and a first gear 13, one end of the rotating block 12 is provided with a traction rope 7 connected with the upper end of the sliding block 4, the other end of the rotating block 12 is provided with a second gear 10 meshed with the first gear 13, and the transmission ratio of the first gear 13 to the second gear 10 is more than 1;
a rotation speed sensor 20 provided on the mount table 14 for measuring a rotation speed of the first gear 13;
a trigger lever 19 fixedly provided on the first gear 13, between the first gear 13 and the mount table 14; a photoelectric counter 21, which is arranged on the mounting table 14 and is used for measuring the number of times that the trigger bar 19 blocks the parallel light;
the control unit 17 is electrically connected with the rotating speed sensor 20, the photoelectric counter 21 and a plurality of warning lamps which represent landslide conditions in different colors, and comprises a receiving module, a calculating module, a judging module and an executing module; the receiving module is used for receiving the rotating speed information of the first gear 13 and the triggering frequency information of the photoelectric counter 21; the calculation module is used for calculating the angular acceleration information of the first gear 13 according to the rotating speed information of the first gear 13; the judging module is used for judging the landslide condition according to the angular acceleration information of the first gear 13 and the triggering frequency information of the photoelectric counter 21; the execution module is used for controlling the warning lamps with different colors to be lightened according to the landslide condition;
the transmission ratio of the first gear 13 and the second gear 10 and the number of the warning lamps with different colors can be adjusted according to the level of the early warning severity, for example, warning lamps with three colors are arranged in the scheme to indicate the severity of three landslide, a green warning lamp indicates general landslide, a yellow warning lamp indicates heavy landslide, and a red warning lamp indicates severe landslide; in addition, the control unit 17 may be electrically connected to a wireless transmission module, thereby transmitting the landslide situation to the remote terminal.
The vertical motion of the landslide is represented by the sliding of the sliding block 4 on the sleeve 5, the sliding block 4 vertically slides downwards and pulls the traction rope 7 downwards when being influenced by the sliding of the landslide body 2, so that the rotating block 12 rotates and drives the first gear 13 to rotate through the second gear 10, the rotating speed of the first gear 13 is measured through the rotating speed sensor 20, the angular acceleration of the first gear 13 is calculated, whether the vertical displacement of the landslide body 2 is changed in an accelerated manner or not is reversely deduced, and whether the landslide occurs or not is further determined; in addition, the photoelectric counter 21 determines the size of the vertical displacement of the landslide body 2 according to the triggering times, and further determines the severity of the landslide; in the scheme, two measuring devices are arranged to determine landslide, so that the reliability of early warning is improved;
the landslide situation is represented by the warning lamps with different colors, so that people can determine the severity of the landslide through the lighted warning lamps with different colors, and people can escape or deal with the landslide;
through the matching of the first gear 13 and the second gear 10, the vertical displacement condition of the landslide can be amplified, the measurement of the rotating speed sensor 20 is facilitated, and the photoelectric counter 21 is also facilitated to determine the severity of the landslide; in addition, a gear set can be arranged between the first gear 13 and the second gear 10 to further amplify the vertical displacement condition of the landslide.
The installation table 14 and parts on the installation table are stably fixed in the stable bedrock 1 through the workbench 9, so that the installation table 14 and the parts on the installation table are favorably prevented from being influenced during landslide, and the reliability of early warning is improved.
As shown in fig. 3, the sliding block 4 includes a first sliding body 401 and a second sliding body 402 slidably disposed on the sleeve 5, the second sliding body 402 is detachably connected to the upper end of the first sliding body 401, the upper portion of the inner side of the first sliding body 401 is provided with a plurality of mounting grooves 27, and the mounting grooves 27 are provided with a plurality of balls 26 contacting with the outer wall of the sleeve 5; the second sliding body 402 is detachably connected to the upper end of the first sliding body 401, which is beneficial to loading a plurality of balls 26 into the mounting groove 27; the second sliding body 402 reduces the resistance of the outer wall of the sleeve 5 to the sliding block 4 through the rolling friction between the ball 26 and the outer wall of the sleeve 5; wherein the ball 26 may be a steel ball.
In one embodiment of the present invention, a first sealing body 25 is provided between the lower portion of the first sliding body 401 and the sleeve 5, and a second sealing body 28 is provided between the second sliding body 402 and the sleeve 5; the effect of the ball 26 is prevented from being affected by water, soil or sand entering the mounting groove 27 by the first sealing body 25 and the second sealing body 28.
When designing, the preferred first slider 401 of this scheme is the round platform of middle part trompil, and the sectional area on first slider 401 upper portion is greater than the sectional area of first slider 401 lower part to be favorable to the vertical downstream of sliding block 4.
During the implementation, the vertical sand grip 23 that is provided with on the preferred sleeve pipe 5's of this scheme outer wall, respectively on first slider 401 and the second slider 402 vertically be provided with sand grip 23 assorted first logical groove 22 and second logical groove 31 to avoid leading to haulage rope 7 to twine on sleeve pipe 5 because of sliding block 4 rotates on sleeve pipe 5, thereby ensure sliding block 4's normal slip and ensure the reliability of measurement and early warning.
As shown in fig. 1 and 4, a baffle 30 is arranged below the casing 5, and a reinforced concrete structure 3 anchored with the stable bedrock 1 is arranged below the baffle 30; the lower end of the working table 9 is provided with a plurality of connecting rods 18 anchored with the stable bedrock 1; the casing 5 is anchored in the stable bedrock 1 through the reinforced concrete structure 3, and the workbench 9 is anchored in the stable bedrock 1 through the connecting rod 18, so that the stability of the casing 5, the workbench 9 and each part on the workbench 9 is ensured; in addition, the lower end of the baffle 30 is provided with a plurality of vertical steel bars 302, a plurality of circumferential steel bars 301 are wound on the outer sides of the vertical steel bars 302, the baffle 30 can be provided with grouting holes 29, so that the grouting pipes 24 can conveniently penetrate through the sleeve 5 and the grouting holes 29, grouting is carried out on the lower end of the baffle 30, the sleeve 5 is anchored in the stable bedrock 1, and the baffle 30 prevents concrete slurry from overflowing to the outer wall of the sleeve 5; meanwhile, the upper end of the sleeve 5 can be provided with a panel, so that the landslide body 2 is supported through the reinforced concrete structure 3, the sleeve 5 and the panel.
During design, the side wall of the optimized sleeve 5 is vertically provided with a plurality of through holes, the through holes are provided with filter screens, and a plurality of pressure sensors electrically connected with the control unit 17 are vertically arranged in the sleeve 5; the through hole can enable water in the landslide body 2 to enter the sleeve 5, the filter screen can prevent rock soil in the landslide body 2 from entering the sleeve 5, the pressure sensor can measure water pressure, and therefore water level is monitored, whether landslide risk exists or not can be judged according to the water level, and disposal is convenient; when the water level is too high, the landslide risk is large, and water should be pumped or reinforced in time.
When the scheme is implemented, a working hole 6 and a first pulley 8 positioned above the working hole 6 are preferably arranged on a working platform 9, the working hole 6 is positioned above a sleeve 5, a second pulley 11 is arranged on an installation platform 14, and a traction rope 7 is wound on the first pulley 8 and the second pulley 11; the working hole 6 is formed in the working platform 9, so that the construction operation plate group can conveniently drill the position before the sleeve 5 is placed; the first pulley 8 and the second pulley 11 have a steering effect on the traction rope 7, and the traction rope 7 is favorably extended to the rotating block 12; wherein, the first pulley 8 and the second pulley 11 are both fixed pulleys.
In one embodiment of the invention, a control box 16 is arranged on the workbench 9, a storage battery, a solar controller electrically connected with the storage battery and a control unit 17 are arranged in the control box 16, and a solar panel 15 electrically connected with the solar controller is arranged at the upper end of the control box 16; the solar panel 15 absorbs solar energy and converts it into electrical energy to charge the battery and thus power the control unit 17, the photoelectric counter 21 and the rotation speed sensor 20.
In addition, the scheme also provides a using method of the geological disaster early warning device for landslide, which comprises the following steps:
s1: acquiring the rotating speed information of the first gear 13 and the triggering frequency information of the photoelectric counter 21;
s2: calculating angular acceleration information of the first gear 13 according to the rotation speed information of the first gear 13;
s3: judging the landslide condition according to the angular acceleration information of the first gear 13 and the triggering frequency information of the photoelectric counter 21;
if the angular acceleration is not increased, no landslide occurs;
if the angular acceleration is increased and the photoelectric counter 21 is triggered once, the landslide is a general landslide;
if the angular acceleration is increased and the photoelectric counter 21 is triggered twice, the landslide is a heavier landslide;
if the angular acceleration is increased and the triggering frequency of the photoelectric counter 21 is greater than two times, the landslide is a serious landslide;
s4: according to the landslide condition, controlling warning lamps with different colors to light;
if no landslide occurs, the warning lamp is not on;
if the landslide is general, the green warning lamp is turned on;
if the landslide is a heavier landslide, the yellow warning lamp is turned on;
and if the landslide is severe, the red warning lamp is turned on.
Claims (10)
1. The utility model provides a be used for landslide geological disaster early warning device which characterized in that includes:
the sleeve (5) is vertically arranged in the landslide body (2), the lower end of the sleeve is fixedly connected with the stable bedrock (1), and a sliding block (4) for sensing the sliding of the landslide body (2) is arranged on the sleeve in a sliding mode;
one end of the workbench (9) is fixedly connected with the stable bedrock (1);
the mounting table (14) is arranged on the workbench (9), the side face of the mounting table is hinged with a rotating block (12) and a first gear (13), one end of the rotating block (12) is provided with a traction rope (7) connected with the upper end of the sliding block (4), the other end of the rotating block (12) is provided with a second gear (10) meshed with the first gear (13), and the transmission ratio of the first gear (13) to the second gear (10) is greater than 1;
a rotational speed sensor (20) provided on the mount table (14) for measuring a rotational speed of the first gear (13);
a trigger lever (19) fixedly arranged on the first gear (13) and positioned between the first gear (13) and the mounting table (14);
a photoelectric counter (21) arranged on the mounting table (14) and used for measuring the number of times of the trigger rod (19) for shielding parallel light;
the control unit (17), it with rotational speed sensor (20), photoelectric counter (21) and a plurality of warning light electric connection that show the landslide condition with different colours, it includes:
the receiving module is used for receiving the rotating speed information of the first gear (13) and the triggering frequency information of the photoelectric counter (21);
the calculation module is used for calculating the angular acceleration information of the first gear (13) according to the rotating speed information of the first gear (13);
the judging module is used for judging the landslide condition according to the angular acceleration information of the first gear (13) and the triggering frequency information of the photoelectric counter (21);
and the execution module is used for controlling the warning lamps with different colors to be lightened according to the landslide condition.
2. The geological disaster early warning device for mountain landslide as claimed in claim 1, wherein the sliding block (4) comprises a first sliding body (401) and a second sliding body (402) slidably disposed on the sleeve (5), the second sliding body (402) is detachably connected to the upper end of the first sliding body (401), the upper part of the inner side of the first sliding body (401) is provided with a plurality of mounting grooves (27), and the mounting grooves (27) are provided with a plurality of balls (26) contacting with the outer wall of the sleeve (5).
3. The geological disaster early warning device for landslide according to claim 2, wherein a first sealing body (25) is arranged between the lower part of the first sliding body (401) and the casing (5), and a second sealing body (28) is arranged between the second sliding body (402) and the casing (5).
4. The geological disaster warning device for landslide according to claim 2, wherein the first sliding body (401) is a truncated cone with an opening at the middle part, and the sectional area of the upper part of the first sliding body (401) is larger than that of the lower part of the first sliding body (401).
5. The geological disaster early warning device for landslide according to claim 2, wherein a convex strip (23) is vertically arranged on the outer wall of the sleeve (5), and a first through groove (22) and a second through groove (31) which are matched with the convex strip (23) are vertically arranged on the first sliding body (401) and the second sliding body (402) respectively.
6. The geological disaster early warning device for landslide according to claim 1, wherein a baffle (30) is arranged below the sleeve (5), and a reinforced concrete structure (3) anchored with the stable bedrock (1) is arranged below the baffle (30); the lower end of the working table (9) is provided with a plurality of connecting rods (18) anchored with the stable bedrock (1).
7. The geological disaster early warning device for landslide according to claim 1, wherein the side wall of the sleeve (5) is vertically provided with a plurality of through holes, a filter screen is arranged at the through holes, and a plurality of pressure sensors electrically connected with the control unit (17) are vertically arranged in the sleeve (5).
8. The geological disaster early warning device for landslide according to claim 1, wherein a working hole (6) and a first pulley (8) located above the working hole (6) are arranged on the working platform (9), the working hole (6) is located above the sleeve (5), a second pulley (11) is arranged on the mounting platform (14), and the traction rope (7) is wound on the first pulley (8) and the second pulley (11).
9. The geological disaster early warning device for mountain landslide as claimed in claim 1, wherein the workbench (9) is provided with a control box (16), the control box (16) is provided with a storage battery, a solar controller electrically connected with the storage battery and the control unit (17), and the upper end of the control box (16) is provided with a solar panel (15) electrically connected with the solar controller.
10. Use of the device for pre-warning of geological disasters of landslide according to any one of claims 1-9, comprising the steps of:
s1: acquiring rotating speed information of a first gear (13) and triggering frequency information of a photoelectric counter (21);
s2: calculating angular acceleration information of the first gear (13) according to the rotating speed information of the first gear (13);
s3: judging the landslide condition according to the angular acceleration information of the first gear (13) and the triggering frequency information of the photoelectric counter (21);
if the angular acceleration is not increased, no landslide occurs;
if the angular acceleration is increased and the photoelectric counter (21) is triggered once, the landslide is a common landslide;
if the angular acceleration is increased and the photoelectric counter (21) is triggered twice, the landslide is a heavier landslide;
if the angular acceleration is increased and the triggering frequency of the photoelectric counter (21) is more than two times, the landslide is serious;
s4: according to the landslide condition, the warning lamps with different colors are controlled to be lightened.
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