Transverse wave vibration system
1. The utility model provides a transverse wave vibration system, its characterized in that, transverse wave vibration system includes conduction frame, actuating mechanism and vibration mechanism, the conduction frame includes that a bottom plate and two parallel interval set up and the perpendicular to the riser of bottom plate, two the lower extreme of riser all with the bottom plate meets, actuating mechanism reaches vibration mechanism all is located two between the riser, vibration mechanism respectively with two the riser meets, vibration mechanism includes the vibration hammer block, actuating mechanism can drive the vibration hammer block in two along perpendicular to two between the riser the direction reciprocating motion of riser.
2. The shear wave vibration system of claim 1, wherein the vibration mechanism further comprises a vertical column, a first piston rod and a second piston rod, the vertical column is perpendicular to the bottom plate, the first piston rod and the second piston rod are both parallel to the bottom plate, the vertical column is located between two vertical plates, the first piston rod is connected between the vertical column and one of the vertical plates, and the second piston rod is connected between the vertical column and the other of the vertical plates.
3. The shear wave vibration system of claim 2, wherein the vibration hammer body comprises a first vibration hammer and a second vibration hammer, the first vibration hammer is slidably sleeved on the first piston rod, the second vibration hammer is slidably sleeved on the second piston rod, a first piston is arranged in the center of the first piston rod, a second piston is arranged in the center of the second piston rod, cavities are formed in the first vibration hammer and the second vibration hammer, the cavities in the first vibration hammer are separated by the first piston to form a first sealed cavity and a second sealed cavity, the cavities in the second vibration hammer are separated by the second piston to form a third sealed cavity and a fourth sealed cavity, the first cavity and the third cavity are closer to the upright column, and the first cavity and the third cavity are both communicated with the driving mechanism, the second cavity and the fourth cavity are far away from the upright post and are communicated through a communicating pipe.
4. The shear wave vibration system of claim 3, wherein the first and second hammers are fixedly connected by rigid connecting rods.
5. The shear wave vibration system of claim 3, wherein a first passage and a second passage are provided in the column, a first flow passage is formed in a portion of the first piston rod located between the first piston and the column, a second flow passage is formed in a portion of the second piston rod located between the second piston and the column, the first passage and the second passage are both communicated with the drive mechanism, the first passage is communicated with the first flow passage, the second passage is communicated with the second flow passage, the first flow passage is communicated with the interior of the first chamber, and the second flow passage is communicated with the interior of the third chamber.
6. A shear wave vibration system according to any one of claims 2 to 5 wherein the drive mechanism is a servo valve, the drive mechanism being located at the top of the column.
7. A shear wave vibration system according to any one of claims 3 to 5 wherein balance air cushions are provided between the first vibratory hammer and the base plate and between the second vibratory hammer and the base plate.
8. A shear wave vibration system according to any one of claims 1 to 5 wherein a coupling plate is provided below the base plate.
9. The shear wave vibration system of claim 8, wherein the lower surface of the coupling plate is formed with a plurality of coupling portions that are formed to protrude downward.
10. The shear wave vibration system of claim 9, wherein the coupling is a tapered coupling that decreases in size from top to bottom.
Background
Seismic exploration is an important means of exploring mineral resources. During seismic exploration, seismic waves need to be artificially excited, reflected waves and refracted waves in the transmission process of the seismic waves in different stratums are collected, the structure and the properties of the stratums are inverted by combining the characteristics of the seismic waves in the different stratums, and the possibility of mineral products is explained.
The vibroseis excitation system is one of the main means of current manual excitation, and with the progress of science and technology, people have higher and higher requirements on the resolution of stratum structures and rock properties, and the seismic exploration technology develops towards high density, high resolution and high efficiency.
The controllable seismic source applied to seismic exploration at present is mainly a hydraulic piston type longitudinal wave controllable seismic source, and the seismic exploration in special areas has great demand on a transverse wave controllable seismic source at present.
Disclosure of Invention
The invention aims to provide a transverse wave vibration system which can effectively provide a transverse wave controllable seismic source so as to meet the requirements of the existing seismic exploration.
In order to achieve the above purpose, the present invention provides a transverse wave vibration system, wherein the transverse wave vibration system includes a conduction frame, a driving mechanism and a vibration mechanism, the conduction frame includes a bottom plate and two vertical plates parallel and spaced to each other and perpendicular to the bottom plate, the lower ends of the two vertical plates are connected to the bottom plate, the driving mechanism and the vibration mechanism are located between the two vertical plates, the vibration mechanism is connected to the two vertical plates, the vibration mechanism includes a vibration hammer body, and the driving mechanism can drive the vibration hammer body to reciprocate between the two vertical plates in a direction perpendicular to the two vertical plates.
The transverse wave vibration system as described above, wherein the vibration mechanism further includes a vertical column, a first piston rod and a second piston rod, the vertical column is perpendicular to the bottom plate, the first piston rod and the second piston rod are all parallel to the bottom plate, the vertical column is located between two vertical plates, the first piston rod is connected between the vertical column and one vertical plate, and the second piston rod is connected between the vertical column and the other vertical plate.
The transverse wave vibration system as described above, wherein the vibration hammer body includes a first vibration hammer and a second vibration hammer, the first vibration hammer is slidably sleeved on the first piston rod, the second vibration hammer is slidably sleeved on the second piston rod, a first piston is disposed in the center of the first piston rod, a second piston is disposed in the center of the second piston rod, cavities are formed in the first vibration hammer and the second vibration hammer, the cavities in the first vibration hammer are separated by the first piston to form a first sealed cavity and a second sealed cavity, the cavities in the second vibration hammer are separated by the second piston to form a third sealed cavity and a fourth sealed cavity, the first sealed cavity and the third sealed cavity are closer to the column, and the first sealed cavity and the third sealed cavity are both communicated with the driving mechanism, the second cavity and the fourth cavity are far away from the upright post and are communicated through a communicating pipe.
The shear wave vibration system as described above, wherein the first vibration hammer and the second vibration hammer are fixedly connected by a rigid connecting rod.
The transverse wave vibration system as described above, wherein a first channel and a second channel are provided inside the column, a first flow channel is formed inside a portion of the first piston rod located between the first piston and the column, a second flow channel is formed inside a portion of the second piston rod located between the second piston and the column, the first channel and the second channel are both communicated with the driving mechanism, the first channel is communicated with the first flow channel, the second channel is communicated with the second flow channel, the first flow channel is communicated with the inside of the first chamber, and the second flow channel is communicated with the inside of the third chamber.
The shear wave vibration system as described above, wherein the driving mechanism is a servo valve, and the driving mechanism is provided at the top of the column.
The shear wave vibration system as described above, wherein a balance air cushion is provided between the first vibration hammer and the bottom plate and between the second vibration hammer and the bottom plate.
The shear wave vibration system as described above, wherein a coupling plate is provided below the base plate.
The transverse wave vibration system as described above, wherein a plurality of coupling portions are formed on the lower surface of the coupling plate in a downwardly protruding manner.
The transverse wave vibration system as described above, wherein the coupling portion is a tapered coupling portion with a size decreasing from top to bottom.
Compared with the prior art, the invention has the following advantages:
according to the transverse wave vibration system provided by the invention, the transverse vibration generated in the reciprocating motion process of the vibration mechanism between the conduction frames can be effectively transmitted to the ground through the conduction frames, so that the effect of artificially simulating the seismic transverse wave is achieved, and the requirements of the existing seismic exploration are met.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of a transverse wave vibration system provided by the present invention;
fig. 2 is another schematic structural diagram of the shear wave vibration system provided by the present invention.
The reference numbers illustrate:
1. a conductive frame;
11. a base plate;
12. a vertical plate;
2. a drive mechanism;
3. a vibration mechanism;
31. a column;
311. a first channel;
312. a second channel;
32. a first piston rod;
321. a first piston;
322. a first flow passage;
33. a second piston rod;
331. a second piston;
332. a second flow passage;
34. a first vibratory hammer;
341. a first chamber;
342. a second chamber;
35. a second vibratory hammer;
351. a third chamber;
352. a fourth chamber;
36. a communicating pipe;
37. a connecting rod;
4. balancing the air cushion;
5. a coupling plate;
51. a coupling portion.
Detailed Description
In order to clearly understand the technical solution, the purpose and the effect of the present invention, a detailed description of the present invention will be described with reference to the accompanying drawings.
As shown in figures 1 and 2, the invention provides a transverse wave vibration system, wherein the transverse wave vibration system comprises a conduction frame 1, a driving mechanism 2 and a vibration mechanism 3, the conduction frame 1 comprises a bottom plate 11 and two vertical plates 12 which are arranged in parallel at intervals and are vertical to the bottom plate 11, the bottom plate 11 is horizontally laid on the ground, the lower ends of the two vertical plates 12 are connected with the bottom plate 11, the lower ends of the two vertical plates 12 are respectively and vertically connected with two side edges of the bottom plate 11, the driving mechanism 2 and the vibration mechanism 3 are both positioned between the two vertical plates 12, the vibration mechanism 3 is respectively connected with the two vertical plates 12, the vibration mechanism 3 comprises a vibration hammer body, the driving mechanism 2 can drive the vibration hammer body to reciprocate between the two vertical plates 12 along the direction vertical to the two vertical plates 12 (namely along the horizontal direction), transverse wave vibration is generated during the movement of the vibration hammer body, and is transmitted to the ground through the conduction frame 1, so as to achieve the effect of artificially simulating the transverse wave of the earthquake, the existing seismic exploration requirements are met.
Further, as shown in fig. 1 and 2, the transverse wave vibration system provided by the present invention further includes a vertical column 31, a first piston rod 32 and a second piston rod 33, wherein the vertical column 31 is perpendicular to the bottom plate 11 and disposed at the center of the bottom plate 11, the first piston rod 32 and the second piston rod 33 are both disposed parallel to the bottom plate 11, the vertical column 31 is disposed between the two vertical plates 12, the first piston rod 32 is connected between the vertical column 31 and one vertical plate 12, the second piston rod 33 is connected between the vertical column 31 and the other vertical plate 12, that is, the first piston rod 32 and the second piston rod 33 are both perpendicular to the vertical column 31, and the first piston rod 32 and the second piston rod 33 are respectively perpendicular to the vertical plate 12 disposed on the same side of the vertical column 31.
Further, as shown in fig. 1 and 2, the transverse wave vibration system of the present invention includes a vibration hammer body including a first vibration hammer 34 and a second vibration hammer 35, the first vibration hammer 34 is slidably sleeved on the first piston rod 32, the second vibration hammer 35 is slidably sleeved on the second piston rod 33, the first piston 321 is disposed at the center of the first piston rod 32, the second piston 331 is disposed at the center of the second piston rod 33, cavities are formed inside the first vibration hammer 34 and the second vibration hammer 35, the cavity inside the first vibration hammer 34 is separated by the first piston 321 to form a first sealed cavity 341 and a second sealed cavity 342, the cavity inside the second vibration hammer 35 is separated by the second piston 331 to form a third sealed cavity 351 and a fourth sealed cavity 352, the first sealed cavity 341 and the third sealed cavity 351 are closer to the upright column 31, the first sealed cavity 341 and the third sealed cavity 351 are both communicated with the driving mechanism 2, the second chamber 342 and the fourth chamber 352 are far from the column 31, the second chamber 342 and the fourth chamber 352 are communicated with each other through a communication pipe 36, during the operation, the driving mechanism 2 can alternately introduce fluid into the first chamber 341 or the third chamber 351 to increase the pressure in the first chamber 341 or the third chamber 351, when the driving mechanism 2 introduces fluid into the first chamber 341, the pressure in the first chamber 341 increases, the first vibration hammer 34 moves in a direction close to the column 31 relative to the first piston 321 to compress the second chamber 342, the fluid in the second chamber 342 flows into the fourth chamber 352 through the communication pipe 36 to increase the pressure in the fourth chamber 352, and the second vibration hammer 35 moves in a direction far from the column 31 relative to the second piston 331 to compress the third chamber 351, which can be regarded as the first vibration hammer 34 and the second vibration hammer 35 move synchronously in a direction in which the second vibration hammer 35 is located, similarly, when the driving mechanism 2 supplies fluid into the third chamber 351, the first vibration hammer 34 and the second vibration hammer 35 move synchronously in the direction of the first vibration hammer 34, so that the vibration hammer body moves transversely between the two risers 12;
the communication pipe 36 is a flexible pipe to prevent the communication pipe 36 from being damaged by force when the first vibration hammer 34 and the second vibration hammer 35 move synchronously with each other with an error.
Preferably, as shown in fig. 2, the present invention provides a shear wave vibration system, wherein the first vibration hammer 34 and the second vibration hammer 35 are fixedly connected by a rigid connecting rod 37 to ensure the synchronism of the movement in the horizontal direction.
Further, as shown in fig. 2, in the shear wave vibration system provided by the present invention, a first channel 311 and a second channel 312 are provided inside the column 31, a first flow channel 322 is formed inside a portion of the first piston rod 32 located between the first piston 321 and the column 31, a first end of the first flow channel 322 penetrates through an end surface of an end of the first piston rod 32 connected to the column 31, a second end of the first flow channel 322 penetrates through an outer circumferential surface of the first piston rod 32 after being bent inside the first piston rod 32, a second flow channel 332 is formed inside a portion of the second piston rod 33 located between the second piston 331 and the column 31, a first end of the second flow channel 332 penetrates through an end surface of an end of the second piston rod 33 connected to the column 31, a second end of the second flow channel 332 penetrates through an outer circumferential surface of the second piston rod 33 after being bent inside the second piston rod 33, a first end of the first channel 311 and a first end of the second channel 312 are both communicated with the driving mechanism 2, the second end of the first passage 311 penetrates the outer peripheral surface of the column 31 to communicate with the first end of the first flow passage 322, the second end of the second passage 312 penetrates the outer peripheral surface of the column 31 to communicate with the first end of the second flow passage 332, the second end of the first flow passage 322 communicates with the interior of the first chamber 341, and the second end of the second flow passage 332 communicates with the interior of the third chamber 351, so that the drive mechanism 2 communicates with the first chamber 341 and the third chamber 351.
Preferably, as shown in fig. 1 and 2, in the shear wave vibration system according to the present invention, the driving mechanism 2 is a servo valve, the driving mechanism 2 is disposed on the top of the column 31, and the first end of the first passage 311 and the first end of the second passage 312 penetrate the top surface of the column 31 and communicate with the driving mechanism 2.
Preferably, as shown in fig. 1 and 2, in the shear wave vibration system according to the present invention, the balance air cushions 4 are disposed between the first vibration weight 34 and the bottom plate 11 and between the second vibration weight 35 and the bottom plate 11, so that the vertical weight of the vibration weight bodies (the first vibration weight 34 and the second vibration weight 35) during the lateral reciprocating motion can be balanced by the balance air cushions 4, and the uneven wear of the inner surfaces of the cavities of the first piston 321, the second piston 331, and the first vibration weight 34 and the inner surface of the cavity of the second vibration weight 35 can be effectively avoided, and the pneumatic friction of the vibration weight bodies is small, and the generation of the shear wave vibration is not affected thereby.
Preferably, as shown in fig. 1 and 2, the transverse wave vibration system according to the present invention includes a coupling plate 5 below the base plate 11, so as to transmit the transverse wave vibration to the ground and reduce attenuation of the transverse wave vibration during transmission.
Preferably, as shown in fig. 1 and 2, in the shear wave vibration system according to the present invention, a plurality of coupling parts 51 are formed on the lower surface of the coupling plate 5 in a downwardly protruding manner, and each coupling part 51 is inserted below the ground surface of the ground when in use, and the coupling parts 51 are preferably tapered coupling parts 51 having a size reduced from the top to the bottom, so as to further increase the contact area between each coupling part 51 and the ground and improve the transmission efficiency of shear wave vibration.
Compared with the prior art, the invention has the following advantages:
according to the transverse wave vibration system provided by the invention, the transverse vibration generated in the reciprocating motion process of the vibration mechanism between the conduction frames can be effectively transmitted to the ground through the conduction frames, so that the effect of artificially simulating the seismic transverse wave is achieved, and the requirements of the existing seismic exploration are met.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
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