CN115508883B - Artificial seismic source device for geophysical exploration - Google Patents
Artificial seismic source device for geophysical exploration Download PDFInfo
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- CN115508883B CN115508883B CN202211305698.9A CN202211305698A CN115508883B CN 115508883 B CN115508883 B CN 115508883B CN 202211305698 A CN202211305698 A CN 202211305698A CN 115508883 B CN115508883 B CN 115508883B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
- G01V1/09—Transporting arrangements, e.g. on vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
- G01V1/147—Generating seismic energy using mechanical driving means, e.g. motor driven shaft using impact of dropping masses
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Abstract
The invention discloses an artificial seismic source device for geophysical exploration, which relates to the technical field of geological exploration equipment and comprises a stress base mechanism which is installed on a mobile vehicle in a lifting manner, wherein the stress base mechanism is provided with a seismic source hammer mechanism which can generate impact force on the stress base mechanism, and the artificial seismic source device also comprises a leveling mechanism which is positioned below a vehicle body, wherein the leveling mechanism can form a leveling surface for placing the stress base mechanism on the ground.
Description
Technical Field
The invention relates to the technical field of geological exploration equipment, in particular to an artificial seismic source device for geophysical exploration.
Background
Geophysical prospecting is based on differences in physical properties, such as density, magnetization, conductivity, and radioactivity, between rock, ore, or stratum and surrounding rock, and by observing various physical field distributions and changes of the earth by using principles and methods of physics, wherein the geological condition of the subsurface is prospected by using propagation rules of seismic waves excited by artificial seismic sources in the stratum with different elasticity.
The prior Chinese patent publication number is as follows: CN208872881U, the name of this patent is a "seismic source vehicle", this patent includes "automobile body, go up and down to be provided with the lifter plate on the automobile body, be fixed with the lift pneumatic cylinder on the lifter plate, be fixed with the weight on the piston rod of lift pneumatic cylinder, set up the perforation that is convenient for the weight to pass on the automobile body, to the problem that the weight impact strength is not enough exists in prior art, the utility model through raising the lifter plate, the height of lift pneumatic cylinder and weight is improved, increase the potential energy and the stroke of weight, improve the impact strength of weight to ground.
The conventional artificial seismic source device is usually a vehicle-mounted seismic source device, in the practical use, a plane plate is contacted and attached with a flat bottom surface through a lifting system on a vehicle body, then the weight of the whole vehicle body is concentrated on the ground where the plane plate is located, and then the top of the plane plate is repeatedly impacted and beaten through a position impact device, so that vibration impact is formed on the ground.
Disclosure of Invention
The invention aims to provide an artificial seismic source device for geophysical exploration, which aims to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides an artifical focus device that geophysical prospecting was used, includes the atress base mechanism of lift installation on the locomotive, install the focus hammer mechanism that can produce impact force to the atress base mechanism on the atress base mechanism, still including the leveling mechanism that is located the automobile body below, leveling mechanism can form the level and smooth face of placing the atress base mechanism subaerial.
Preferably, the stress base mechanism comprises a mounting plate which is connected with the moving vehicle in a lifting manner, the mounting plate is a circular plate body parallel to the bottom surface of the vehicle, and the leveling mechanism is in transmission connection with the seismic source hammer mechanism through a transmission mechanism.
Preferably, the leveling mechanism comprises a rotating ring sleeved with the mounting plate in an annular mode, the rotating ring is provided with a toothed ring structure meshed with the transmission mechanism in a transmission mode, and the rotating ring is provided with a plurality of leveling assemblies capable of leveling the ground.
Preferably, the toothed ring structure comprises an annular cavity arranged in the rotating ring, a plurality of evenly arranged through holes are formed in the top of the annular cavity, each through hole is movably inserted with a bar, and each bar extending out of the through hole forms the toothed ring structure at the top of the rotating ring.
Preferably, an annular ring is arranged in the annular cavity, and a wedge-shaped block which can support the extending through opening of the bar is fixed on the annular ring.
Preferably, an annular groove matched with the annular ring in a clamping manner is formed in the annular wall of the annular cavity, so that the annular ring can divide the annular cavity into an upper cavity space part and a lower cavity space part, and the wedge-shaped block is located in the upper cavity space.
Preferably, each of the shaving assemblies includes a blade unit capable of cutting the ground when the rotary ring rotates, and a latch unit capable of locking the annular ring inside the annular cavity in a locked state.
Preferably, the blade unit comprises a strip opening formed in the bottom of the rotating ring, a blade body movably hinged with the annular ring is movably penetrated in the strip opening, and one end of the blade body can extend out of the annular cavity.
Preferably, the pin lock unit comprises a plurality of pin holes uniformly formed in the annular ring, a pin rod is inserted in the middle of the pin holes, and one end of the pin rod is sleeved with a sleeve fixed with the inner wall of the annular cavity.
Preferably, the side surface of the sleeve is movably penetrated with a connecting unit, and the connecting unit enables the cutter body to switch the locking state of the pin locking unit when the deflection angle position is changed.
According to the artificial seismic source device for geophysical prospecting, the leveling mechanism is arranged below the vehicle body, so that a leveling surface for placing the stress base mechanism can be formed on the ground, stable placement of the stress base mechanism on the ground is facilitated, unstable influence caused by the whole vehicle body is eliminated, deflection of the direction of impact force of the seismic source hammer mechanism is avoided, and normal and stable working state of the artificial seismic source device can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic side partially cut-away view of an artificial seismic source device for geophysical prospecting according to the present invention;
FIG. 2 is a schematic diagram showing the transmission adaptation of the transmission mechanism and the leveling mechanism of the artificial seismic source device for geophysical prospecting;
FIG. 3 is a schematic view of the internal structure of a rotating ring of an artificial seismic source device for geophysical prospecting according to the present invention, partially in section;
FIG. 4 is an enlarged view of the invention at A in FIG. 3;
fig. 5 is an enlarged view of a portion a of fig. 3 in another embodiment of the present invention.
Reference numerals illustrate:
1. A force-bearing base mechanism; 2. a source hammer mechanism; 3. a mounting plate; 4. a leveling mechanism; 4.1, rotating the ring; 4.2, a toothed ring structure; 4.21, annular cavity; 4.22, a through port; 4.23, bars; 4.24, an annular ring; 4.25, wedge blocks; 4.26, annular groove; 5. a transmission mechanism; 5.1, a shaft lever; 5.2, a hinged support; 5.3, gears; 5.4, a unidirectional ratchet disc; 5.5, a rack; 6. a flattening component; 7. a blade unit; 7.1, a strip port; 7.2, a cutter body; 8. a latch unit; 8.1, a bolt hole; 8.2, a bolt rod; 8.3, a sleeve; 8.4, a connection unit; 9. a hydraulic lifting column; 9.1, upper stop block; 9.2, lower stop block; 10. an open slot; 11. a support post; 12. a tension spring; 13. a transverse blade; 14. a knife handle; 15. a side opening; 16. a connecting strip; 16.1, a first bar; 16.2, a second bar; 17. a strip track port; 18. and (5) a shaft post.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-5, an artificial seismic source device for geophysical prospecting provided by the embodiment of the invention comprises a stress base mechanism 1 installed on a mobile vehicle in a lifting manner, a seismic source hammer mechanism 2 capable of generating impact force on the stress base mechanism 1 is installed on the stress base mechanism 1, and a leveling mechanism 4 positioned below a vehicle body, wherein the leveling mechanism 4 can form a leveling surface on the ground for placing the stress base mechanism 1.
Specifically, the whole stress base mechanism 1 is of a plate type structure, the plate surface of the stress base mechanism 1 is parallel to the bottom surface of the vehicle body, the stress base mechanism 1 is positioned below the vehicle body in a storage state, the extending state is close to and attached to the ground, the moving direction line of the stress base mechanism is perpendicular to the plate surface of the stress base mechanism 1, the vibration source hammer mechanism 2 is positioned above the stress base mechanism 1, when the vibration source hammer mechanism 2 is a hydraulic impact hammer, the force application direction of the hammer body vertically faces the top surface of the stress base mechanism 1, and the leveling mechanism 4 is a bucket mechanism arranged on the moving vehicle, so that a plane part is formed on a path through which the moving vehicle passes;
in the in-service use, when the ground position that the artifical focus device will set up is the state that the pothole is uneven, with scraper bowl mechanism and ground parallel and level this moment, power and make scraper bowl mechanism carry out the shovel level with place ground when utilizing the automobile body to form the level face of placing atress base mechanism subaerial, be favorable to atress base mechanism to placing subaerial steady, be favorable to eliminating the unstable influence that whole automobile body caused, also be favorable to avoiding the direction of the impact force of focus hammer mechanism to take place the skew simultaneously, can ensure that artifical focus device has normal stable operating condition.
In another embodiment provided by the invention, the stress base mechanism 1 comprises a mounting plate 3 which is in lifting connection with the mobile vehicle, the mounting plate 3 is a circular plate body parallel to the bottom surface of the vehicle, the leveling mechanism 4 is in transmission connection with the vibration source hammer mechanism 2 through a transmission mechanism 5, the plate surface of the mounting plate 3 is parallel to the bottom surface of the vehicle body, the moving direction line of the mounting plate 3 is vertical to the plate surface of the mounting plate, the mounting plate 3 is connected with the vehicle body through a plurality of hydraulic lifting columns 9, so that the distance between the mounting plate 3 and the ground is controlled, the vibration source hammer mechanism 2 on the top surface of the mounting plate 3 is connected with the hydraulic lifting columns 9, the impact force released by the power output hammer of the vibration source hammer mechanism 2 can act on the top surface of the mounting plate 3, and in actual use, when the bottom surface of the mounting plate 3 is in contact adhesion with the ground, the impact force released by the power output hammer of the vibration source hammer mechanism 2 can act on the top surface of the mounting plate 3, so that the vibration source hammer mechanism acts on the ground through the mounting plate 3;
It should be further noted that, the annular open slot 10 is formed below the mounting plate 3, so that the circumferential edge of the mounting plate 3 is in a stepped structure, the column body of the movable column of the hydraulic lifting column 9 is perpendicular to the slot bottom of the open slot 10 on the mounting plate 3, that is, the column body of the movable column of the hydraulic lifting column 9 vertically penetrates through the slot bottom of the open slot 10, specifically, as shown in fig. 1, the top position of the movable column of the hydraulic lifting column 9 is provided with an upper stop block 9.1 fixed with the movable column of the hydraulic lifting column 9, the bottom position of the movable column of the hydraulic lifting column 9 is provided with a lower stop block 9.2 fixed with the movable column of the hydraulic lifting column 9, and the lower stop block 9.2 is located in the open slot 10, wherein, the mounting plate 3 cannot be simultaneously contacted with the upper stop block 9.1 and the lower stop block 9.2, when the mounting plate 3 is contacted with the upper stop block 9.1, the movable column of the mounting plate 3 is in a close contact position relative to the hydraulic lifting column 9, and when the mounting plate 3 is contacted with the lower stop block 9.2, the movable column of the mounting plate 3 is in a pull-off position relative to the movable column of the hydraulic lifting column 9;
Furthermore, the seismic source hammer mechanism 2 is fixedly connected with the tops of the upper stop blocks 9.1 through the supporting columns 11, so that the seismic source hammer mechanism 2 can be changed along with the position of the hydraulic lifting column 9 in the vertical direction relative to the ground, and the impact force generated by the seismic source hammer mechanism 2 can be ensured to act on the ground.
In the actual use process, when the mounting plate 3 is suspended on the ground, the mounting plate 3 is at a pull-out position, the distance between the mounting plate 3 and the seismic source hammer mechanism 2 is far, then the impact hammer of the seismic source hammer mechanism 2 cannot be contacted with the mounting plate 3, the mounting plate 3 is outside the maximum extension stroke of the impact hammer of the seismic source hammer mechanism 2, when the mounting plate 3 is contacted with the ground and receives extrusion reaction force of the ground, the mounting plate 3 is at a cling position, the mounting plate 3 is in the maximum extension stroke of the impact hammer of the seismic source hammer mechanism 2, the distance between the mounting plate 3 and the seismic source hammer mechanism 2 is shortened and is close, then the impact hammer of the seismic source hammer mechanism 2 can be contacted with the mounting plate 3, and the mounting plate 3 is impacted and transferred to the contacted ground.
In still another embodiment provided by the invention, the leveling mechanism 4 comprises a rotating ring 4.1 sleeved with the mounting plate 3 in a ring shape, the ring surface of the rotating ring 4.1 is flush with the plate surface of the mounting plate 3, a toothed ring structure 4.2 meshed with the transmission mechanism 5 in a transmission way is arranged on the rotating ring 4.1, a plurality of leveling components 6 capable of leveling the ground are arranged on the rotating ring 4.1, wherein the transmission mechanism 5 comprises a shaft lever 5.1 parallel to the top of the mounting plate 3, two hinged supports 5.2 fixed with the mounting plate 3 are rotatably arranged on the shaft lever 5.1, so that the shaft lever 5.1 can axially rotate on the mounting plate 3, a gear 5.3 meshed with the toothed ring structure 4.2 is fixed at one end of the shaft lever 5.1, and when the shaft lever 5.1 axially rotates, the rotating ring 4.1 rotates relative to the mounting plate 3, so that the leveling components 6 are driven to level the raised part of the ground;
It should be further noted that, be fixed with one-way ratchet disc 5.4 on axostylus axostyle 5.1, one-way ratchet disc 5.4's side meshing has rack 5.5, rack 5.5 is fixed with the jump bit of focus hammer mechanism 2, rack 5.5 can take place corresponding meshing motion along with the jump bit of focus hammer mechanism 2 and one-way ratchet disc 5.4, rack 5.5's length direction is perpendicular with mounting panel 3's top surface, in the in-service use, when focus hammer mechanism 2's jump bit moves towards mounting panel 3 direction, rack 5.5 can take place effective meshing drive with one-way ratchet disc 5.4 this moment, thereby make axostylus axostyle 5.1 take place to rotate, when focus hammer mechanism 2's jump bit deviates from mounting panel 3 direction motion, this moment rack 5.5 can's unable take place effective meshing drive with one-way ratchet disc 5.4, idle running, thereby make axostylus axostyle 5.1 unable take place to rotate.
In still another embodiment provided by the invention, the toothed ring structure 4.2 comprises an annular cavity 4.21 arranged in the rotating ring 4.1, the center of the annular cavity 4.21 coincides with the center of the rotating ring 4.1, a plurality of evenly distributed through holes 4.22 are formed in the top of the annular cavity 4.21, the strip rods 4.23 are movably inserted into the through holes 4.22, the strip rods 4.23 extending out of the through holes 4.22 form a toothed ring structure at the top of the rotating ring 4.1, and the toothed ring structure can be meshed with the unidirectional ratchet disc 5.4 so as to drive the rotating ring 4.1 to rotate.
In still another embodiment provided by the invention, an annular ring 4.24 is arranged in an annular cavity 4.21, wedge-shaped blocks 4.25 capable of supporting the extending through holes 4.22 of the rod 4.23 are fixed on the annular ring 4.24, specifically, the number of the wedge-shaped blocks 4.25 is the same as that of the rod 4.23, each wedge-shaped block 4.25 corresponds to one rod 4.23, the inclined planes of the wedge-shaped blocks 4.25 on the annular ring 4.24 face in the same clockwise direction, when one end of the rod 4.23 positioned in the annular cavity 4.21 is positioned on the inclined plane of the wedge-shaped block 4.25, the support of the rod 4.23 by the wedge-shaped block 4.25 is in a state of extending through holes 4.22, the rod 4.23 extending out of the through holes 4.22 forms a toothed ring type structure at the top of the rotary ring 4.1, the toothed ring structure 4.2 is in a state, when one end of the rod 4.23 positioned in the annular cavity 4.21 is separated from the inclined plane of the wedge-shaped block 4.25, the toothed ring 4.23 is in a state of no toothed ring type, and the toothed ring 4.2 cannot be driven in a unidirectional rotation state, and the toothed ring 4.2 cannot be in a state of the top of the rotary ring 4.1;
In still another embodiment provided by the invention, an annular groove 4.26 which is in clamping fit with the annular ring 4.24 is formed in the annular wall of the annular cavity 4.21, so that the annular ring 4.24 enables the annular cavity 4.21 to be divided into an upper cavity space part and a lower cavity space part, the wedge-shaped block 4.25 is positioned in the upper cavity space, the cross section of the ring body of the annular ring 4.24 is rectangular, the annular ring 4.24 can circumferentially rotate along the annular groove 4.26 in the annular cavity 4.21, the annular ring 4.24 is connected with the inner wall of the annular cavity 4.21 through the tension spring 12, when the toothed ring structure 4.2 is in a bearing state, the tension spring 12 is in a natural shrinkage state, when the toothed ring structure 4.2 is in a disengaged state, the tension spring 12 is in a stressed stretching state, and the tension spring 12 in a stretching deformation state has an elastic restoring force for restoring the toothed ring structure 4.2 from the disengaged state to the bearing state.
In still another embodiment provided by the invention, each leveling component 6 comprises a blade unit 7 and a pin lock unit 8, the blade unit 7 can cut the ground when the rotating ring 4.1 rotates, the pin lock unit 8 can lock the annular ring 4.24 in the annular cavity 4.21 in a locked and locked state, in the practical use process, the pin lock unit 8 has two states, namely a locked state and an unlocked state, when the pin lock unit 8 is in the locked state, the annular ring 4.24 is in the locked state in the annular cavity 4.21, the annular ring 4.24 cannot deflect due to external force, the wedge block 4.25 always keeps the support of the bar 4.23, namely the toothed ring structure 4.2 keeps the engaged state, when the pin lock unit 8 is in the unlocked state, the annular ring 4.24 is not locked in the annular cavity 4.21 again, the toothed ring structure 4.2 can be converted from the engaged state to the disengaged state after the annular ring 4.24 is deflected due to external force.
In still another embodiment provided by the invention, the blade unit 7 comprises a strip opening 7.1 formed at the bottom of the rotating ring 4.1, a blade body 7.2 movably hinged with the annular ring 4.24 is movably penetrated in the strip opening 7.1, the blade body 7.2 consists of a cutter handle 14 and a transverse blade 13, wherein one end of the blade body 7.2 can extend out of the annular cavity 4.21, namely one end of the cutter handle 14 extends out of the annular cavity 4.21, the blade body 7.2 can deflect around a hinge point with the annular ring 4.24, namely one end of the cutter handle 14 can deflect around a hinge point with the annular ring 4.24, one end of the cutter handle 14 away from the annular ring 4.24 is fixedly connected with the transverse blade 13 vertically, the transverse blade 13 is positioned below the mounting plate 3, and further description is that the length direction line of the transverse blade 13 is parallel to the mounting plate 3, and the cutter face of the transverse blade 13 is perpendicular to the end of the cutter handle 14;
in the actual use process, when the cutter body 7.2 is not contacted with the ground, the cutter handle 14 of the cutter body 7.2 is vertical to the bottom surface of the mounting plate 3, the cutter surface of the transverse cutter blade 13 is parallel to the ground, the cutter body 7.2 is in a vertical position, the pin lock unit 8 is in a pin lock state, along with the rotation of the rotating ring 4.1, when the cutter body 7.2 is contacted with a bulge on the ground, the cutter body 7.2 deflects under the reaction force of the bulge on the ground, the cutter body 7.2 is in a deflection position, the pin lock unit 8 is in an unlocking state, the included angle between the cutter handle 14 of the cutter body 7.2 and the bottom surface of the mounting plate 3 is an acute angle, the cutter handle 14 is contacted with the end edge of the strip-shaped opening 7.1, the cutter body 7.2 forms a hoe structure on the ground, so that the bulge on the ground is shaved, and in the planing process, the cutter body 7.2 always has a component force for rotating the annular ring 4.24 in the rotating direction,
However, since there are a plurality of blade units 7, when planing the protruding parts on the ground, only the protruding parts can contact with the blade bodies 7.2 at first, that is, the blade bodies 7.2 on the blade units 7 cannot be simultaneously subjected to the reaction force of the ground, so that the rotation of the annular ring 4.24 is still limited by the other pin locking units 8 in the pin locking state, as the mounting plate 3 gradually approaches the ground, the protruding parts on the ground gradually decrease, the ground tends to planarize, finally the blade bodies 7.2 on the blade units 7 are simultaneously subjected to the reaction force of the ground, the blade bodies 7.2 are all in the deflection position, at this time, the pin locking units 8 corresponding to the blade bodies 7.2 are all in the unlocking state, then the annular ring 4.24 rotates, the tooth ring structure 4.2 is converted from the pin locking state, then the annular ring 4.1 stops rotating, the leveling component 6 does not level the ground any more, and then the mounting plate 3 moves downwards along with the hydraulic lifting column 9 until the mounting plate 3 is in the close contact with the movable column 9 in the hydraulic lifting column position.
In still another embodiment provided by the invention, the pin lock unit 8 comprises a plurality of pin holes 8.1 uniformly formed on the annular ring 4.24, the pin holes 8.1 are inserted and matched with pin rods 8.2, one ends of the pin rods 8.2 are sleeved with sleeves 8.3 fixed with the inner wall of the annular cavity 4.21, the side surfaces of the sleeves 8.3 movably penetrate through the connecting units 8.4, the connecting units 8.4 enable the cutter body 7.2 to switch the locking state of the pin lock unit 8 when the deflection angle position is changed, specifically, two sides of the sleeves 8.3 are provided with side openings 15, the length direction line of the side openings 15 is parallel to the axial line of the sleeves 8.3, the connecting units 8.4 comprise connecting strips 16 movably penetrating through the two side openings 15, the connecting strips 16 are bent strips and are formed by connecting a first rod 16.1 and a second rod 16.2, a long track port 17 is formed in a length track line of the connecting strips 16, one ends of the connecting strips 16 are provided with a second rod 16.2 and a cutter handle 14, the length track lines of the connecting strips 16.3 are fixedly arranged in the sleeve 8.3, the long track ports 18 can be fixedly connected with the long shaft tracks 18 along the long shaft tracks 18, and the long shaft 18 can be fixedly connected with the long shaft 18, and the pin shafts 18 are movably connected with the long shaft 18;
In actual use, when the cutter body 7.2 is in the vertical position, the second rod 16.2 part of the connecting strip 16 is in the horizontal state, the connecting strip 16 plays a lifting role on the latch rod 8.2 in the sleeve 8.3, one end of the latch rod 8.2 extends out of the cylinder opening of the sleeve 8.3 and is spliced with the latch hole 8.1, the latch unit 8 is in the latch state, and when the cutter body 7.2 is in the inclined position, the first rod 16.1 part of the connecting strip 16 is in the horizontal state, the connecting strip 16 pulls the latch rod 8.2 towards the inside of the sleeve 8.3, one end of the latch rod 8.2 is retracted into the cylinder opening of the sleeve 8.3, the latch rod 8.2 is completely separated from the latch hole 8.1, and the latch unit 8 is in the unlocking state. Mark
In still another embodiment provided by the invention, the tension spring 12 is used for being connected between the handle 14 and the sleeve 8.3, when the handle 14 is in the inclined position at the cutter body 7.2, the tension spring 12 is in the first tension state, the deformation amount of the tension spring 12 is one third of the maximum deformation amount of the tension spring 12, when each locking unit 8 is in the unlocking state, then the annular ring 4.24 rotates, further tension deformation occurs at the tension spring 12 correspondingly, the tension spring 12 is in the second tension state, the deformation amount of the tension spring 12 is two thirds of the maximum deformation amount of the tension spring 12, similarly, when the mounting plate 3 is separated from the ground, the tension spring 12 is restored to the first tension state from the second tension state, so that the annular ring 4.24 is restored to the initial position, the wedge block 4.25 supports the bar 4.23 again, the tension spring 12 is restored to the natural shrinkage state from the first tension state, the cutter body 7.2 is in the vertical position, the second bar 16.2 of the connecting bar 16 is in the horizontal state, and the locking unit 8 is restored to the locking state.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (5)
1. The utility model provides an artifical focus device that geophysical prospecting was used, installs stress base mechanism (1) on the locomotive including the lift, install focus hammer mechanism (2) that can produce impact force to stress base mechanism (1) on stress base mechanism (1), its characterized in that: the device is characterized by further comprising a leveling mechanism (4) positioned below the vehicle body, wherein the leveling mechanism (4) can form a leveling surface for placing the stress base mechanism (1) on the ground, the stress base mechanism (1) comprises a mounting plate (3) which is connected with the moving vehicle in a lifting manner, the mounting plate (3) is a circular plate body parallel to the bottom surface of the vehicle, and the leveling mechanism (4) is in transmission connection with the seismic source hammer mechanism (2) through a transmission mechanism (5);
The leveling mechanism (4) comprises a rotating ring (4.1) which is sleeved with the mounting plate (3) in an annular mode, the rotating ring (4.1) is provided with a toothed ring structure (4.2) which is meshed with the transmission mechanism (5) in a transmission mode, and the rotating ring (4.1) is provided with a plurality of leveling assemblies (6) which can level the ground;
The gear ring structure (4.2) comprises an annular cavity (4.21) arranged in the rotating ring (4.1), a plurality of evenly-distributed through holes (4.22) are formed in the top of the annular cavity (4.21), a bar (4.23) is movably inserted into each through hole (4.22), and the bars (4.23) extending out of the through holes (4.22) form the gear ring structure at the top of the rotating ring (4.1);
an annular ring (4.24) is arranged in the annular cavity (4.21), and a wedge-shaped block (4.25) which can support the extending opening (4.22) of the bar (4.23) is fixed on the annular ring (4.24);
annular groove (4.26) matched with annular ring (4.24) in a clamping mode is formed in the annular wall of annular cavity (4.21), so that annular ring (4.24) enables annular cavity (4.21) to be divided into an upper cavity space portion and a lower cavity space portion, and wedge-shaped blocks (4.25) are located in the upper cavity space.
2. A seismic source device for geophysical prospecting according to claim 1, wherein each of said levelling assemblies (6) comprises a blade unit (7) and a pin lock unit (8), said blade unit (7) being capable of cutting the ground when the rotating ring (4.1) is rotated, said pin lock unit (8) being capable of locking the annular ring (4.24) inside the annular cavity (4.21) in the locked condition.
3. The artificial seismic source device for geophysical prospecting according to claim 2, wherein the blade unit (7) comprises a strip opening (7.1) formed in the bottom of the rotary ring (4.1), a blade body (7.2) movably hinged with the annular ring (4.24) is movably penetrated in the strip opening (7.1), and one end of the blade body (7.2) can extend out of the annular cavity (4.21).
4. A seismic source device for geophysical prospecting according to claim 3, wherein the latch unit (8) comprises a plurality of latch holes (8.1) uniformly formed in the annular ring (4.24), a latch rod (8.2) is inserted and connected in the latch holes (8.1), and a sleeve (8.3) fixed with the inner wall of the annular cavity (4.21) is sleeved at one end of the latch rod (8.2).
5. A seismic source device for geophysical prospecting according to claim 4, wherein the sleeve (8.3) is provided with a connecting unit (8.4) extending laterally, said connecting unit (8.4) allowing the cutter body (7.2) to switch the locking state of the locking unit (8) when the angular position is changed.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208858A (en) * | 2000-01-27 | 2001-08-03 | Satoshi Izumoya | Alternate focus for geophysical exploration |
| CN105824044A (en) * | 2016-06-02 | 2016-08-03 | 蒙泽喜 | Seismic exploration system for petroleum exploration |
| CN215494186U (en) * | 2021-09-09 | 2022-01-11 | 王超 | Engineering geophysical exploration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9170343B2 (en) * | 2012-04-30 | 2015-10-27 | Conocophillips Company | Quasi-impulsive displacement source |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208858A (en) * | 2000-01-27 | 2001-08-03 | Satoshi Izumoya | Alternate focus for geophysical exploration |
| CN105824044A (en) * | 2016-06-02 | 2016-08-03 | 蒙泽喜 | Seismic exploration system for petroleum exploration |
| CN215494186U (en) * | 2021-09-09 | 2022-01-11 | 王超 | Engineering geophysical exploration device |
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