CN213600894U - Earthquake detection device for shallow engineering - Google Patents
Earthquake detection device for shallow engineering Download PDFInfo
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- CN213600894U CN213600894U CN202022633326.1U CN202022633326U CN213600894U CN 213600894 U CN213600894 U CN 213600894U CN 202022633326 U CN202022633326 U CN 202022633326U CN 213600894 U CN213600894 U CN 213600894U
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Abstract
The utility model discloses a seismic detection device for shallow engineering, including being the circular shape fixed disk rotate on the other terminal surface of fixed disk and be equipped with the drill bit, driving motor's output and drill bit are connected set up the cavity in the drill bit be equipped with the wave detector in the cavity the external screw thread has been seted up on the ring outer wall, still include the sleeve that matches with the ring, sleeve one end is sealed, the sleeve other end is open be equipped with seismic wave perception module in the sleeve, seismic wave perception module is connected with the wave detector electricity set up on the inner wall of sleeve open end with external screw thread complex internal thread be equipped with the drive assembly who makes kicking block reciprocating motion on the fixed column, improve detection efficiency when large-scale shallow engineering seismic method surveys the dead zone.
Description
Technical Field
The utility model relates to a seismic wave detection area specifically is a seismic detection device for shallow engineering.
Background
The shallow engineering seismic method is the most widely applied method for detecting caves and empty areas at present. The geophone is an important device for field data acquisition, because of the special ground environment of a mine, particularly a metal mine, the geophone is difficult to insert, an iron nail column is generally adopted to knock and punch holes, then the iron nail column is shaken and pulled out, the ground hole is loosened, the geophone is inserted into the bottom surface again, the geophone at the moment is difficult to fix, the geophone is fixed by adopting the fixing mode and is easy to randomly shake, the data acquisition quality is greatly influenced, the problems are also faced when the earthquake method is used for detecting the hidden danger of a concrete dike dam and the vibration geophone is used for detecting the mine blasting vibration energy, and equipment for placing the geophone cannot be completely fixed, so that the investigation of the structure of underground rocks is not very accurate. Meanwhile, the weather for surveying the structure of the subsurface rock is severe, the existing seismograph is difficult to solve the problem of surveying the subsurface rock structure in the prior art, and the existing conventional fixing method also adopts the steps of piling and tamping soil and then inserting a wave detector, so that the fixing mode has large workload, unsatisfactory effect and inaccurate detection of blasting energy, is solved by adopting a gypsum filling and fixing mode, has high cost and long operation time, and is not suitable for detecting the dead zone by a large-scale shallow engineering seismic method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that above-mentioned background art provided, provide a seismic detection device for shallow engineering, avoid current geophone can not be very accurate to surveying of the structure of subsurface rock, and the unsuitable large-scale shallow engineering seismic method detection dead zone of current seismic detector.
The purpose of the utility model is mainly realized through the following technical scheme:
the earthquake detection device for shallow engineering comprises a round fixed disc, wherein a circular ring I is arranged on the end face of one end of the fixed disc, the outer diameter of the circular ring I is equal to the radius of the fixed disc, a through hole I is formed in the end face of the fixed disc, a driving motor is arranged in the through hole I, a drill bit is rotatably arranged on the other end face of the fixed disc, the output end of the driving motor is connected with the drill bit, a cavity is formed in the drill bit, a fixed column is fixedly arranged in the cavity along the axial direction of the drill bit, a plurality of branch pipes I are arranged on the outer wall of the fixed column along the circumferential direction of the fixed column, a plurality of branch pipes II which are in one-to-one correspondence with the branch pipes I are arranged on the inner wall of the cavity, a plurality of through holes II which are in one-to-one correspondence with the branch pipes II are arranged on the outer wall of the drill, the seismic wave sensing device comprises a plurality of guide grooves I corresponding to branch pipes I, a top block is arranged in each guide groove I in a sliding mode, a channel II for the top block to pass through is arranged on each branch pipe in the axial direction of the fixing column, a round rod is arranged in each channel I in a sliding mode, a spring I is sleeved on each round rod, one end of the spring I is connected with the outer wall of the round rod, the other end of the spring I is connected with the outer wall of the branch pipe II, the end face, close to one end of the fixing column, of each round rod is in contact with the side wall of the top block in the initial state, a blind hole I is formed in each round rod along the axis of the round rod, a detector is arranged in each blind hole I, an external thread is arranged on the outer wall of the round ring I, the seismic wave sensing module is arranged in each sleeve, one end of each sleeve is closed, the other end of each sleeve is open, and a seismic wave sensing module, the seismic wave sensing module is electrically connected with the geophone, an internal thread in threaded fit with the external thread is arranged on the inner wall of the open end of the sleeve, and a driving assembly for enabling the jacking block to reciprocate is arranged on the fixed column.
The technical scheme aims to solve the defects that no device for fixedly placing a seismometer is available when a seismic wave detector is used for surveying an underground rock structure in the prior art, and heat can not be dissipated in time during working, the earth pile is basically adopted for tamping and inserting a geophone, so that the workload is large, the effect is not ideal, the detection of the blasting energy is basically and completely solved by adopting a gypsum filling and fixing mode, the cost is high, the operation time is long, and the method is not suitable for large-scale shallow engineering seismic method detection of the dead zone; when the detector of the seismometer needs to be deeply buried underground, the detector is mainly placed in a through hole drilled by a screw bolt on the ground by the prior art, the detector is fixed in the through hole by gypsum and other substances, an auxiliary device which is not communicated can be driven into the underground by the drill through the drill, the geological shallow project is detected, when the device is driven into the underground by the drill to a certain depth, a top block is driven to move in a guide groove I by a driving assembly arranged on a fixed rod, the top block smoothly enters a channel II to extrude a round rod when sliding in the driving lower guide groove I of the driving assembly, so that the end part of the round rod is partially extruded out of the end part of the channel I, namely the end part of the round rod is extruded out of the through hole II, the end part of the round rod is leaked out of the outer end of the through hole II, the geophone protrudes out of the through hole II, the geophone can better detect seismic waves at the moment, the detection part of the seismic waves is prevented from being complete by the prior art, the detection efficiency is improved when a blank area is detected by a large-scale shallow engineering seismic method, the geophone is also protected, the through hole II is communicated with the branch pipe II, the circle center of the circle where the branch pipe I is located, the circle center of the circle where the branch pipe II is located and the coaxial circle center of the circle where the through hole II is located, the branch pipe I, the branch pipe II and the through hole II which are located on the same axis form a channel I, the device can be better fixed by using the drill bit in the process of gradually rising into the bottom surface through the drill bit, the thread on the drill bit is mainly used for realizing the close contact with the bottom surface, the seismic sensing module comprises the seismog, the seismograph adopts a time WZG-48 engineering seismograph, the seismograph is a special instrument which amplifies, displays and records seismic wave signals received by a geophone embedded on the surface of a medium, generally has the functions of filtering, amplifying, analog-to-digital conversion, digital recording, microcomputer processing and the like, the geophone is a seismic detector or receiver which is arranged on the ground, in water or under a well to pick up earth vibration, the geophone adopts an HB403-CDJ-D geophone which is essentially a sensor for converting mechanical vibration into electric signals, and a power supply used by the general engineering seismograph is a 12V direct current power supply.
Further, drive assembly includes a plurality of pneumatic cylinders the cover is equipped with ring III on the outer wall of fixed column, and every kicking block all is connected with ring III, and every pneumatic cylinder all sets up on the outer wall of fixed column, every the output and the ring III of pneumatic cylinder are connected. The drive assembly that enables through the setting makes smooth reciprocating motion in guide way I of kicking block, forces the more gentle operation of a plurality of kicking blocks when extrudeing the round bar.
Furthermore, each ejector block is hinged with a push rod, the push rod is provided with a torsion spring, the other end of the torsion spring is connected with the side wall of the ejector block, the outer wall of each round rod is provided with a guide groove I along the axial direction of the round rod, the guide groove I is communicated with the blind hole I, a push rod is arranged in the blind hole I in a sliding manner, the inner wall of the blind hole I is provided with two guide grooves II along the axial direction of the blind hole I, each guide groove II is internally provided with a guide block in a sliding manner, each guide groove II is internally provided with a spring III, the spring III is connected with the guide block, the guide block is connected with the outer wall of the push rod, the outer wall of the push rod is provided with a plurality of limit holes matched with the push rod along the axial direction of the push rod, the limit holes are exposed in the guide grooves I, after the push rod moves along with the ejector block to the direction close to the branch pipe I, the end part of the, the detector is connected with the ejector rod, and a rubber pad is arranged on the end face of the detector. Through the design, the round rod can be firstly pushed out of the through hole II through the ejector block, then the ejector rod arranged in the round rod is withdrawn from the blind hole I through the push rod, thereby protecting the geophone, preventing the geophone from being damaged and inaccurate in seismic waves measured by the geophone due to the direct contact of the geophone and the external environment, the front end of the detector is provided with a rubber pad to further prevent the detector from being damaged, the front end of the round rod is protruded with the through hole II in motion, after the push rod is inserted into the limiting hole, the ejector block is pushed by the hydraulic cylinder continuously, the push rod pushes the ejector rod out of the through hole II gradually after following the movement of the ejector block, therefore, the detection of seismic waves is realized, the push rod cannot swing along with the movement of the ejector block, and the push rod can be accurately inserted into the limiting hole formed in the ejector rod, so that the push rod is applied with a thrust force, and the ejector rod is pushed to move in the blind hole I.
Furthermore, two rectangular blind holes II are symmetrically arranged on the inner wall of each through hole II by taking the axis of the through hole II as a symmetry axis, a baffle plate matched with the blind hole II is movably arranged in each blind hole II, a plurality of springs II are arranged in each blind hole II, one end of each spring II is connected with the bottom of the blind hole II, the other end of each spring is connected with the baffle plate, two rectangular blind holes II are symmetrically arranged on the inner wall of each through hole II, a baffle plate matched with the blind hole II is movably arranged in each blind hole II, a plurality of springs II are arranged in each blind hole II, one end of each spring II is connected with the bottom of the blind hole II, when the round rod is pushed by the jacking block to gradually protrude out of the outer end of the through hole II, the two baffle plates push the spring under the pushing of the round rod to gradually return the end part of the baffle plate to the blind hole II, and the other ends of the springs are connected with the baffle plates to prevent a tester from fixing the device on the ground, because the drill bit and the ground earth or stone collide violently produced less earth and can enter the cavity through II through-holes to cause the interference to the part that sets up in the cavity, hinder the life reduction of the part in the cavity.
Further, be equipped with ring II in the sleeve, the outer wall and the telescopic inner wall of ring II are connected ring II is close to and is equipped with the rubber ring on the terminal surface of sleeve open end, and after the sleeve moved to the direction that is close to the fixed disk gradually under the cooperation of screw thread, the tip of ring II in rubber ring in close contact with. Through be in be equipped with ring II in the sleeve, the outer wall and the telescopic inner wall connection of ring II be equipped with the rubber ring on ring II is close to the terminal surface of sleeve open end, after the sleeve moves to the direction that is close to the fixed disk gradually under the cooperation of screw thread, the tip of ring II can prevent in rubber ring in close contact with and should prevent to prevent through the drill bit that dust or ponding from entering into the damage that causes instruments such as earthquake wave perception module in the sleeve when detecting earthquake wave with this device squeeze into the ground.
Furthermore, an annular groove I is formed in the end face, opposite to the fixed disc, of the drill bit, an annular groove II is formed in the end face, opposite to the drill bit, of the fixed disc, a sealing ring is movably arranged in the annular groove I, and the end portion of the sealing ring is partially embedded into the annular groove II. Prevent that the drill bit from carrying out the during operation rubble fine sand and piling up between the relative terminal surface of drill bit and fixed disk, cause the operation of drill bit not good, still be equipped with the handle that is T shape at telescopic blind end, the constructor of being convenient for is being convenient for operate carrying out the operation, is about to this device and squeezes into the detector underground through the drill bit and detects.
To sum up, compared with the prior art, the utility model has the following beneficial effects: the top rod arranged in the round rod is withdrawn out of the blind hole I through the push rod, so that the geophone is protected, the damage of the geophone caused by the direct contact of the geophone and the external environment is prevented, the earthquake waves measured by the geophone are inaccurate, the front end of the geophone is provided with a rubber pad which can further prevent the damage of the geophone, the device is driven into the ground through a drill bit to detect geological shallow engineering, when the device is driven into the ground through the drill bit to a certain depth, the device drives the top block to move in the guide groove I through the driving component arranged on the fixed rod, and the top block slides in the drive downloading guide groove I of the driving component to smoothly enter the channel II to extrude the round rod, so that the end part of the round rod is pushed to partially protrude out of the end part of the channel I, namely, the end part of the round rod is protruded out of the through hole II, and then the end, the geophone protrudes out of the through hole II, the geophone can better detect seismic waves, and the detection part of the seismic waves in the prior art is prevented from being complete.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a front view of the present solution.
Fig. 2 is a sectional view of the present embodiment.
Fig. 3 is a partially enlarged view of fig. 2 at B.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a partial sectional view of the carrier rod and the round rod.
The names corresponding to the reference numbers in the drawings are as follows:
the seismic wave sensor comprises a seismic wave sensing module 1, a sleeve 2, a driving motor 3, a ring I, a ring 5, a sealing sheet 6, a fixed disc 7, a drill bit 8, a fixed column 9, a baffle plate 10, a through hole II, a blind hole II 11, a spring II 12, a rubber pad 13, a branch pipe II 14, a spring I, a push rod 16, a limit hole 17, a guide groove III 18, a branch pipe I19, a channel II 20, a channel II 21, a push block 22, a ring III 23, a torsion spring 24, a push rod 25, a guide groove I, a round rod 26, a detector 27, a ring II 28, a rubber ring 29, a guide block 30 and a spring III.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 to 5, the earthquake detection device for shallow engineering in this embodiment includes a circular fixed disk 6, a circular ring i 4 is disposed on an end face of one end of the fixed disk 6, an outer diameter of the circular ring i 4 is equal to a radius of the fixed disk 6, a through hole i is disposed on the end face of the fixed disk 6, a driving motor 3 is disposed in the through hole i, a drill 7 is rotatably disposed on the other end face of the fixed disk 6, an output end of the driving motor 3 is connected to the drill 7, a cavity is disposed in the drill 7, a fixed column 8 is fixedly disposed in the cavity along an axial direction of the drill 7, a plurality of branch pipes i 19 are disposed on an outer wall of the fixed column 8 along a circumferential direction of the fixed column 8, a plurality of branch pipes ii 14 corresponding to the branch pipes i 19 one to one are disposed on an inner wall of the cavity, a plurality of through holes ii 10 corresponding to the branch pipes ii 14 one to, the through hole II 10 is communicated with the branch pipe II 14, the circle center of a circle where the branch pipe I19 is located, the circle center of a circle where the branch pipe II 14 is located and the circle center of a circle where the through hole II 10 is located are coaxial, the branch pipe I19, the branch pipe II 14 and the through hole which are located on the same axis form a channel I, a plurality of guide grooves I25 corresponding to the branch pipe I19 are formed in the outer wall of the fixing column 8 along the axial direction of the fixing column 8, a top block 21 is arranged in each guide groove I25 in a sliding mode, a channel II 20 for the top block 21 to pass through is arranged on each branch pipe, a round rod 26 is arranged in each channel I in a sliding mode, a spring I15 is sleeved on each round rod 26, one end of the spring I15 is connected with the outer wall of the round rod 26, the other end of the spring I15 is connected with the outer wall of the branch pipe II, and in an initial state, the end face, close to one end of the fixing column 8, the seismic wave sensor comprises a blind hole I, a detector 27, an external thread and a sleeve 2, wherein the blind hole I is formed in the round rod 26 along the axis of the round rod 26, the outer wall of the ring I4 is provided with the external thread, the sleeve 2 is matched with the ring I4, one end of the sleeve 2 is closed, the other end of the sleeve 2 is open, a seismic wave sensing module 1 is arranged in the sleeve 2, the seismic wave sensing module 1 is electrically connected with the detector 27, an internal thread matched with the external thread in a threaded mode is formed in the inner wall of the open end of the sleeve 2, and a driving assembly enabling the top block 21 to reciprocate is arranged on the fixed column 8.
The technical scheme aims to solve the defects that no device for fixedly placing a seismometer is available when a seismic wave detector is used for surveying an underground rock structure in the prior art, and heat can not be dissipated in time during working, basically adopts a mode of tamping earth piles to insert a geophone 27, has large workload and unsatisfactory effect, and detection of blasting energy is basically and completely solved by adopting a mode of filling and fixing gypsum, has high cost and long operation time, and is not suitable for detecting a dead zone by a large-scale shallow engineering seismic method;
the technical scheme is that a drill 7 is arranged on a fixed disk 6, when a geophone 27 of a seismometer needs to be deeply buried underground, the geophone 27 of the seismometer is placed in a through hole drilled by a screw bolt and on the ground by the prior art, the geophone 27 is fixed in the through hole by using substances such as plaster and the like, a blind auxiliary device can be driven into the underground by the drill 7 through the arranged drill 7, the device is detected for geological shallow engineering, when the device is driven into the underground to a certain depth by the drill 7, a driving component arranged on a fixed rod drives a top block 21 to move in a guide groove I25, the top block 21 slides in a driving and downloading guide groove I25 of the driving component and smoothly enters a channel II 20 to extrude a round rod 26, so as to push the end part of the round rod 26 to partially protrude out of the end part of the channel I, namely, after the end part of the round rod 26 protrudes out of the through hole II, the end part of the round rod 26 leaks out of the outer end of the through hole II, the geophone 27 protrudes out of the through hole II at the moment, the geophone 27 can better detect seismic waves, and the detection part of the seismic waves in the prior art is prevented from being complete.
Preferably, the driving assembly comprises a plurality of hydraulic cylinders, a ring III 22 is sleeved on the outer wall of the fixing column 8, each ejector block 21 is connected with the ring III 22, each hydraulic cylinder is arranged on the outer wall of the fixing column 8, and the output end of each hydraulic cylinder is connected with the ring III 22. The top block 21 can smoothly reciprocate in the guide groove I25 through the arranged driving assembly, so that the plurality of top blocks 21 are forced to operate more smoothly when the round rods 26 are extruded.
Preferably, a push rod 24 is hinged to each ejector block 21, a torsion spring 23 is arranged on each push rod 24, the other end of each torsion spring 23 is connected with the side wall of each ejector block 21, a guide groove I25 is formed in the outer wall of each round rod 26 along the axial direction of each round rod 26, each guide groove I25 is communicated with a blind hole I, an ejector rod 16 is arranged in each blind hole I in a sliding mode, two guide grooves II are formed in the inner wall of each blind hole I along the axial direction of each blind hole I, a guide block is arranged in each guide groove II in a sliding mode, a spring III is arranged in each guide groove II and connected with the guide block, each guide block is connected with the outer wall of the ejector rod 16, a plurality of limiting holes 17 matched with the push rods 24 are formed in the outer wall of the ejector rod 16 along the axial direction of the ejector rod 16, the plurality of limiting holes 17 are exposed in the guide grooves I25, and after the push rods 24 move along with the ejector blocks 21 towards the direction close to the branch pipes I19, the end of the push rod 24 is inserted into any one of the limiting holes 17, the detector 27 is connected with the ejector rod 16, and the end face of the detector 27 is provided with a rubber pad 13. Through the design, the round rod 26 can be pushed out of the through hole II 10 through the jacking block 21, then the jacking rod 16 arranged in the round rod 26 is withdrawn from the blind hole I through the push rod 24, so that the geophone 27 is protected, the geophone 27 is prevented from being damaged due to direct contact with the external environment, the seismic waves measured by the geophone 27 are inaccurate, and the front end of the geophone 27 is provided with the rubber pad 13 to further prevent the geophone 27 from being damaged.
Example 2
As shown in fig. 1 to 5, the present embodiment is further defined based on embodiment 1 as follows: in the embodiment, the axis of a through hole II 10 is taken as a symmetry axis, two rectangular blind holes II 11 are symmetrically arranged on the inner wall of the through hole II 10, a baffle 9 matched with the blind hole II 11 is movably arranged in each blind hole II 11, a plurality of springs II 12 are arranged in each blind hole II 11, one end of each spring II 12 is connected with the bottom of the blind hole II 11, the other end of each spring is connected with the baffle 9, when a round rod 26 protrudes out of the through hole II 10 gradually under the push of a top block, the two baffles 9 push the springs to enable the end of the baffle 9 to retreat into the blind holes 11 gradually under the push of the round rod 26, can prevent that measurement personnel from fixing this device when subaerial through drill bit 7 because drill bit 7 and ground earth or stone violent collision produce less earth with can enter into the cavity through II 10 of through-hole to cause the interference to the part that sets up at the cavity, hinder the life reduction of the part in the cavity.
Preferably, a circular ring II 28 is arranged in the sleeve 2, the outer wall of the circular ring II 28 is connected with the inner wall of the sleeve 2, a rubber ring 29 is arranged on the end face, close to the open end of the sleeve 2, of the circular ring II 28, and after the sleeve 2 gradually moves towards the direction close to the fixed disc 6 under the matching of threads, the end part of the circular ring II 28 is in close contact with the rubber ring 29. Through be in be equipped with ring II 28 in sleeve 2, the outer wall of ring II 28 and the inner wall connection of sleeve 2 be equipped with rubber ring 29 on ring II 28 is close to the terminal surface of the open end of sleeve 2, after sleeve 2 moves to the direction that is close to fixed disk 6 gradually under the cooperation of screw thread, the tip of ring II 28 can prevent in rubber ring 29 in close contact with can prevent to cause the damage of instruments such as seismic wave perception module 1 for preventing dust or ponding from entering into sleeve 2 when detecting seismic wave in will this device be squeezed into the underground through drill bit 7.
Preferably, an annular groove I is formed in the end face, opposite to the fixed disc 6, of the drill bit 7, an annular groove II is formed in the end face, opposite to the drill bit 7, of the fixed disc 6, a sealing ring 5 is movably arranged in the annular groove I, and the end portion of the sealing ring 5 is partially embedded into the annular groove II. Prevent that the drill bit 7 from carrying out the during operation rubble fine sand from piling up between the relative terminal surface of drill bit 7 and fixed disk 6, causing the operation of drill bit 7 not good, still be equipped with the handle that is T shape at the blind end of sleeve 2, the constructor of being convenient for is being operated and is being convenient for, is about to this device and squeezes into the underground through drill bit 7 with wave detector 27 and detects.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The earthquake detection device for shallow engineering is characterized by comprising a round fixed disc (6), a circular ring I (4) is arranged on the end face of one end of the fixed disc (6), a through hole I is formed in the end face of the fixed disc (6), a driving motor (3) is arranged in the through hole I, a drill bit (7) is rotatably arranged on the other end face of the fixed disc (6), the output end of the driving motor (3) is connected with the drill bit (7), a cavity is formed in the drill bit (7), a fixing column (8) is fixedly arranged in the cavity along the axial direction of the drill bit (7), a plurality of branch pipes I (19) are arranged on the outer wall of the fixing column (8) along the circumferential direction of the fixing column (8), a plurality of branch pipes II (14) which are in one-to-one correspondence with the branch pipes I (19) are arranged on the inner wall of the cavity, a plurality of through holes II (10) which are in one-to-one correspondence with the branch pipes II, the through hole II (10) is communicated with the branch pipe II (14), a channel I is formed by the branch pipe I (19), the branch pipe II (14) and the fixing disc (6) of the through hole II (10), a plurality of guide grooves III (18) corresponding to the branch pipe I (19) are formed in the outer wall of the fixing column (8) along the axial direction of the fixing column (8), a top block (21) is arranged in each guide groove III (18) in a sliding mode, a channel II (20) for the top block (21) to pass through is formed in each branch pipe, a round rod (26) is arranged in each channel I in a sliding mode, a spring I (15) is sleeved on each round rod (26), one end of each spring I (15) is connected with the outer wall of each round rod (26), the other end of each spring I (15) is connected with the outer wall of the branch pipe II (14), and in the initial state, the end face, close to one end of each round rod (26) of the fixing column (8), is in contact with the side wall of, the seismic wave sensor is characterized in that a blind hole I is formed in the round rod (26) along the axis of the round rod (26), a detector (27) is arranged in the blind hole I, an external thread is formed in the outer wall of the ring I (4), the seismic wave sensor further comprises a sleeve (2) matched with the ring I (4), one end of the sleeve (2) is sealed, the other end of the sleeve (2) is open, a seismic wave sensing module (1) is arranged in the sleeve (2), the seismic wave sensing module (1) is electrically connected with the detector (27), an internal thread matched with the external thread is formed in the inner wall of the open end of the sleeve (2), and a driving assembly enabling the ejector block (21) to move in a reciprocating mode is arranged on the fixing column (8).
2. The earthquake detection device for shallow engineering according to claim 1, wherein the driving assembly comprises a plurality of hydraulic cylinders, a ring III (22) is sleeved on the outer wall of the fixed column (8), each top block (21) is connected with the ring III (22), each hydraulic cylinder is arranged on the outer wall of the fixed column (8), and the output end of each hydraulic cylinder is connected with the ring III (22).
3. The earthquake detection device for shallow engineering according to claim 1, characterized in that each of the top blocks (21) is hinged with a push rod (24), the push rod (24) is provided with a torsion spring (23), the other end of the torsion spring (23) is connected with the side wall of the top block (21), the outer wall of each round rod (26) is provided with a guide groove I (25) along the axial direction of the round rod (26), the guide groove I (25) is communicated with the blind hole I, the blind hole I is internally provided with a top rod (16) in a sliding manner, the inner wall of the blind hole I is provided with two guide grooves II along the axial direction of the blind hole I, each guide groove II is internally provided with a guide block (30) in a sliding manner, each guide groove II is internally provided with a spring III (31), the spring III (31) is connected with the guide block, and the guide block is connected with the outer wall of the top rod (16), the axial along ejector pin (16) is in seted up a plurality ofly on the outer wall of ejector pin (16) with push rod (24) complex spacing hole (17), it is a plurality of spacing hole (17) all expose in guide way I (25), after push rod (24) moved to the direction that is close to branch pipe I (19) along with kicking block (21), the tip of push rod (24) inserted in arbitrary spacing hole (17), wave detector (27) are connected with ejector pin (16) be equipped with rubber pad (13) on the terminal surface of wave detector (27).
4. The earthquake detection device for shallow engineering according to claim 3, characterized in that two rectangular blind holes II (11) are symmetrically arranged on the inner wall of the through hole II (10) by taking the axis of the through hole II (10) as a symmetry axis, a baffle (9) matched with the blind hole II (11) is movably arranged in each blind hole II (11), a plurality of springs II (12) are arranged in each blind hole II (11), one end of each spring II (12) is connected with the bottom of the blind hole II (11), the other end of each spring II (12) is connected with the baffle (9), and when the round rod (26) is pushed by the ejector block to protrude out of the outer end of the through hole II (10) gradually, the two baffles (9) push the round rod (26) to extrude the spring to enable the end of the baffle (9) to gradually retreat into the blind hole II (11).
5. The earthquake detection device for shallow engineering according to claim 1, characterized in that a circular ring II (28) is arranged in the sleeve (2), the outer wall of the circular ring II (28) is connected with the inner wall of the sleeve (2), a rubber ring (29) is arranged on the end face of the circular ring II (28) close to the open end of the sleeve (2), and after the sleeve (2) moves gradually in the direction close to the fixed disc (6) under the matching of threads, the end part of the circular ring I (4) is in close contact with the rubber ring (29).
6. The earthquake detection device for shallow engineering according to claim 1, wherein an annular groove I is formed in the end face of the drill bit (7) opposite to the fixed disk (6), an annular groove II is formed in the end face of the fixed disk (6) opposite to the drill bit (7), a sealing ring (5) is movably arranged in the annular groove I, and the end part of the sealing ring (5) is partially embedded into the annular groove II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022633326.1U CN213600894U (en) | 2020-11-13 | 2020-11-13 | Earthquake detection device for shallow engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118050779A (en) * | 2024-04-16 | 2024-05-17 | 山东省煤田地质局物探测量队 | Underground detector for geophysical exploration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118050779A (en) * | 2024-04-16 | 2024-05-17 | 山东省煤田地质局物探测量队 | Underground detector for geophysical exploration |
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