A seismic signal acquisition device and method for geophysical exploration

Abstract

The application relates to the technical field of detection equipment, and discloses a seismic signal collection device and a collection method for geophysical detection, which comprises multiple node-type seismographs; further comprises a holding frame, the holding frame is composed of two end plates, connecting frames and a handle, two connecting frames are fixed at two ends of the handle, the bottoms of the two connecting frames are fixed with the two end plates respectively, and a plurality of placing mechanisms are arranged between the two end plates; and a plurality of ground insertion rods, a plurality of insertion holes matched with the ground insertion rods are arranged on the shell of the node-type seismograph, and the plurality of ground insertion rods are correspondingly inserted into the plurality of placing mechanisms, the holding frame designed in the application can be docked with the plurality of ground insertion rods, a plurality of node-type seismographs are sleeved outside the plurality of ground insertion rods which are transversely inserted in the placing mechanisms, so that a staff member can take a large number of node-type seismographs at a time, a plurality of measuring points can be arranged at a time, and the arrangement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection equipment, in particular to a seismic signal acquisition device and method for geophysical exploration. BACKGROUND

[0002] Geophysics is one of the main disciplines of earth science, and is a comprehensive discipline that studies the earth and seeks for internal mineral resources through quantitative physical methods (such as seismic elastic wave, gravity, geomagnetism, geoelectricity, geothermal and radioactivity methods).

[0003] Among them, the node type seismic instrument is a device for detecting seismic signals. The distributed integrated single-channel node seismic instrument disclosed in Chinese patent document CN111090115B can be known. The node type seismic instrument is mainly composed of a collection bin, a battery bin, a detector bin and a tail vertebra. When detecting seismic signals, personnel need to insert multiple node type seismic instruments at equal intervals on the ground. When arranging, personnel can carry at most three seismic instruments with one hand. When the number is large, personnel need to take seismic instruments multiple times for installation. Meanwhile, in some dry areas, the ground is dry, and the tail vertebra of the seismic instrument is loose after being inserted. In order to ensure that the seismic instrument is perpendicular to the ground, personnel need to dig holes in the ground and arrange in a semi-buried manner, which carries tools, so that the number of seismic instruments taken at one time is smaller, and the arrangement efficiency is low. SUMMARY

[0004] The purpose of the present application is to provide a seismic signal acquisition device and method for geophysical exploration to solve the problem of low arrangement efficiency caused by personnel carrying fewer node type seismic instruments at one time as mentioned in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a seismic signal acquisition device for geophysical exploration, comprising a plurality of node type seismic instruments; further comprising a holding frame, the holding frame is composed of two end plates, connecting frames and a handle, two connecting frames are fixed at both ends of the handle, and the bottoms of the two connecting frames are fixed with two end plates, a plurality of placing mechanisms are installed between the two end plates; and a plurality of ground insertion rods, a plurality of ground insertion rods are inserted into a plurality of placing mechanisms, and the shell of the node type seismic instrument is provided with a plug hole matched with the ground insertion rod.

[0006] Preferably, the placing mechanism comprises a plug-in ring, one of the end plates is provided with a mounting hole, and the other end plate is provided with a placing hole, the plug-in ring is rotatably installed in the mounting hole through a rotating shaft, one end of the ground insertion rod is plugged into the plug-in ring, and the other end is placed in the placing hole.

[0007] Preferably, the inside of the inserting ring is provided with a rubber ring, and the rubber ring is attached to the outside of the ground inserting rod, and a chamfer is formed on the placing opening to facilitate the placement of the ground inserting rod.

[0008] Preferably, the connecting frame is composed of a V-shaped frame and two L-shaped frames, the two L-shaped frames are fixed to the two ends of the V-shaped frame, and the two L-shaped frames are fixed to the outside of the end plate, a receiving opening is formed on the V-shaped frame, an inserting opening is formed on the receiving opening, a closing piece is installed on the V-shaped frame corresponding to the inserting opening, and the ground inserting rod is inserted into the receiving opening.

[0009] Preferably, the closing piece comprises a connecting shaft rotatably installed on the V-shaped frame, a closing plate is fixed to the outside of the connecting shaft, and the outer end of the closing plate is fixed to the position adjacent to the inserting opening and provided with mutually attractive magnetic blocks.

[0010] Preferably, two annular grooves are formed on the outside of the ground inserting rod, and the two annular grooves are in sliding connection with the receiving opening.

[0011] Preferably, the bottom of the ground inserting rod is in a conical structure, and an installation groove is formed on the top, and a abutting piece is installed in the installation groove.

[0012] Preferably, the abutting piece comprises an abutting plate rotatably installed in the installation groove, a baffle is fixed in the installation groove, and a spring sheet is fixed on the baffle and attached to the abutting plate.

[0013] Preferably, a sponge layer is sleeved on the outside of the handle.

[0014] A collection method of a seismic signal collection device for geophysical exploration, comprising the following steps:

[0015] S1. A plurality of node type seismographs are sleeved on the outside of the ground inserting rod, and then the ground inserting rod sleeved with the node type seismograph is connected with a plurality of placing mechanisms.

[0016] S2. Personnel place a plurality of ground inserting rods in the receiving opening.

[0017] S3. The personnel hold the handle, take a plurality of node type seismographs at one time, go to the measuring point to place the node type seismograph, insert the ground inserting rod into the ground during the placement process, and then sleeve the node type seismograph on the outside of the ground inserting rod.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1. The holding frame designed in the present application can be connected with a plurality of ground inserting rods, a plurality of node type seismographs are sleeved on the outside of the plurality of ground inserting rods inserted in the placing mechanism, so that the personnel can take a larger number of node type seismographs at one time, the plurality of measuring points can be arranged at one time, and the arrangement efficiency is improved.

[0020] 2. The storage openings inside the two V-shaped frames of this invention can accommodate a certain number of ground-inserting rods, so that when multiple nodal seismographs are placed in soft soil areas, they can be positioned by inserting the ground-inserting rods into the ground and then fitting them on the outside, thereby improving the stability of the arrangement. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall structure of the present invention from another angle;

[0023] Figure 3 This is a schematic diagram showing the connection between the holding frame of the present invention and multiple ground-inserting poles;

[0024] Figure 4 This is a side view of the gripping frame of the present invention;

[0025] Figure 5 This is a schematic diagram showing the connection between the ground-inserting pole and the placement mechanism of the present invention;

[0026] Figure 6 This is a schematic diagram of the connection between the ground-inserting rod and the nodal seismograph of the present invention;

[0027] Figure 7 This is a schematic diagram of the ground-inserting pole structure of the present invention.

[0028] In the diagram: 1. Nodal seismograph; 2. Holding frame; 3. End plate; 4. Connecting frame; 5. Handle; 6. Placement mechanism; 7. Ground rod; 8. Insertion hole; 9. Insertion ring; 10. Mounting port; 11. Placement port; 12. V-shaped frame; 13. L-shaped frame; 14. Storage port; 15. Insertion port; 16. Closure element; 17. Connecting shaft; 18. Closure plate; 19. Annular groove; 20. Mounting groove; 21. Abutting element; 22. Abutting plate; 23. Baffle; 24. Spring plate Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0030] Example 1: Please refer to Figure 1 - Figure 4 and Figure 6The utility model provides a kind of seismic signal acquisition device for geophysical exploration in the drawing, including multiple node seismic instrument 1;It further includes holding frame 2, holding frame 2 is made of two end plates 3, connecting frame 4 and a handle 5, two connecting frames 4 are fixed at the both ends of handle 5, and the bottom of two connecting frames 4 is fixed with two end plates 3 respectively, and several placing mechanisms 6 are installed between two end plates 3;And several ground insertion rods 7, the shell of node seismic instrument 1 is provided with the insertion hole 8 matched with ground insertion rod 7, and several ground insertion rods 7 are inserted into several placing mechanisms 6 correspondingly, wherein, to facilitate personnel to grip handle 5, sponge layer is sleeved on the outside of handle 5;

[0031] In the scheme, several ground insertion rods 7 can be connected with placing mechanism 6 on holding frame 2, and multiple node seismic instruments 1 can be strung on each ground insertion rod 7, as shown in Figure 1 And Figure 2 So that personnel can carry a larger number of node seismic instruments 1 at a time, and arrange multiple measuring points in one direction without running back and forth.

[0032] It should be further pointed out that the ground insertion rod 7 is detachable, and after the multiple node seismic instruments 1 on the outside of the ground insertion rod 7 are completely removed, the ground insertion rod 7 can be detached, inserted into the ground and inserted into the insertion hole 8 on the node seismic instrument 1 to assist the positioning of the node seismic instrument 1.

[0033] Further, referring to Figure 3 And Figure 5 The placing mechanism 6 includes a plug-in ring 9, one of the two end plates 3 is provided with a mounting hole 10, and the other end plate 3 is provided with a placing hole 11, the plug-in ring 9 is rotatably installed in the mounting hole 10, one end of the ground insertion rod 7 is plugged into the plug-in ring 9, and the other end is placed in the placing hole 11.

[0034] To improve the stability of the ground insertion rod 7 after insertion, a rubber ring is provided on the inside of the plug-in ring 9, which is attached to the outside of the ground insertion rod 7, and a chamfer is provided on the placing hole 11 to facilitate the placement of the ground insertion rod 7.

[0035] The principle of cooperation between the placing mechanism 6 and the ground insertion rod 7 is as follows: personnel first successively sleeve multiple node seismic instruments 1 on the outside of the ground insertion rod 7, as shown in Figure 1 And Figure 2 Then one end of the ground insertion rod 7 is aligned with the plug-in ring 9 and inserted, so that the conical end of the ground insertion rod 7 is placed in the placing hole 11, then the personnel hold the holding frame 2 and move a larger number of node seismic instruments 1, when moving to the measuring point, the personnel hold the conical point of the ground insertion rod 7, so that the ground insertion rod 7 rotates along the shaft of the plug-in ring 9, as shown in Figure 5 After rotating and lifting, it is convenient for personnel to pull out the node seismic instrument 1.

[0036] Further, refer to Figure 2 Figure 4 The connecting frame 4 is composed of a V-shaped frame 12 and two L-shaped frames 13, the two L-shaped frames 13 are fixed at both ends of the V-shaped frame 12, the two L-shaped frames 13 are fixed outside the end plate 3, the V-shaped frame 12 is provided with a receiving opening 14, the receiving opening 14 is provided with an insertion opening 15, the V-shaped frame 12 is provided with a closing piece 16 corresponding to the insertion opening 15, and the insertion rod 7 is inserted into the receiving opening 14;

[0037] The principle of inserting multiple insertion rods 7 into the receiving opening 14 is as follows: first, the personnel first put multiple node type seismographs 1 outside the insertion rod 7, then push multiple insertion rods 7 into the receiving opening 14 through the insertion opening 15 in sequence, as shown in Figure 1 、 Figure 2 and Figure 3 , so that multiple insertion rods 7 are on the V-shaped frame 12, and the personnel can carry the same number of insertion rods 7 as the node type seismographs 1 when holding the holding frame 2, so that the corresponding auxiliary positioning of each node type seismograph 1 can be performed, and the placement in the soft soil area is facilitated.

[0038] In the scheme, when multiple node type seismographs 1 are arranged;

[0039] First, the personnel put multiple node type seismographs 1 outside the insertion rod 7 in sequence, then insert the insertion rod 7 with the node type seismograph 1 into the placing mechanism 6, and then insert the additional insertion rod 7 into the receiving opening 14;

[0040] Then, the personnel hold the holding frame 2 and drive multiple node type seismographs 1 to the measuring point, and arrange node type seismographs 1 for all measuring points in one direction at a time, without going back and forth, thereby improving the arrangement efficiency;

[0041] Finally, when arranging the node type seismograph 1, the personnel first remove one seismograph, then remove one insertion rod 7 corresponding thereto, first insert the insertion rod 7 into the corresponding underground, then align the insertion hole 8 on the seismograph with the insertion rod 7 and insert the seismograph into the underground, so that the positioning is stable in the soft soil area.

[0042] In the scheme, a collection method of a seismic signal collection device for geophysical exploration includes the following steps;

[0043] S1. Put multiple node type seismographs 1 outside the insertion rod 7, then butt the insertion rod 7 with the node type seismograph 1 to multiple placing mechanisms 6;

[0044] S2. The personnel then place a plurality of insertion rods 7 in the receiving opening 14;

[0045] ​S3. The personnel hold the handle 5, take multiple node seismographs 1 at one time, go to the measuring point and place the node seismograph 1, and in the process of placing, insert the ground rod 7 into the ground, and then put the node seismograph 1 outside the ground rod 7.

[0046] Embodiment two: please refer to Figure 3 Figure 5 The embodiment is further illustrated based on embodiment one, and the difference lies in that the ground rod 7 is optimized in the storage port 14.

[0047] Specifically, the closing piece 16 comprises a connecting shaft 17 rotatably installed on the V-shaped frame 12, and a closing plate 18 fixed outside the connecting shaft 17, and the outer end of the closing plate 18 is fixed with mutually attractive magnetic blocks adjacent to the insertion port 15.

[0048] Among them, the outer side of the ground rod 7 is provided with two annular grooves 19, and the two annular grooves 19 are slidably connected with the storage port 14.

[0049] In this scheme, when the ground rod 7 is placed in the storage port 14, the closing plate 18 is pinched to open, and then the annular groove 19 on the ground rod 7 is aligned with the insertion port 15 and inserted, so that the two insertion ports 15 are connected with the two storage ports 14, and the ground rod 7 is prevented from sliding off the storage port 14, and the closing plate 18 closes the insertion port 15, improving the storage stability of the ground rod 7.

[0050] Embodiment three: please refer to Figure 7 The embodiment is further illustrated based on other embodiments, and the difference lies in that the structure of the ground rod 7 is optimized.

[0051] Specifically, the bottom of the ground rod 7 is a tapered structure, and the top is provided with a mounting groove 20, and a abutting piece 21 is installed in the mounting groove 20, wherein the abutting piece 21 comprises an abutting plate 22 rotatably installed in the mounting groove 20, and a baffle 23 is fixed in the mounting groove 20, and a spring sheet 24 is fixed on the baffle 23 and abuts against the abutting plate 22.

[0052] In this scheme, the spring sheet 24 pushes out the abutting plate 22, so that the ground rod 7 can abut against the insertion ring 9 and the insertion hole 8 on the node seismograph 1 after being inserted, thereby improving the stability after being inserted.

[0053] ​It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it should be taken in its broadest possible sense. For example, the terms "a", "an", and "the" include both singular and plural referents unless the context clearly dictates otherwise. The terms "comprises", "comprising", "includes", "including" and the like can be used in conjunction with the term "consisting of to include the elements or steps listed after such conjunctive language, but not to the exclusion of other elements or steps. The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

[0054] While the embodiments of the application have been shown and described, it is to be understood that the embodiments described are only by way of example and are not limiting of the scope of the application. Numerous other embodiments can be devised which do not depart from the spirit and scope of the present application. Therefore, it is not intended that the application be limited to the embodiments described herein, but that the application be accorded the broadest scope possible under the law.

Claims

1. A seismic signal acquisition device for geophysical exploration, comprising: a plurality of nodal seismographs (1); characterized in that it further comprises: a holding frame (2) composed of two end plates (3), connecting frames (4) and a handle (5), the two connecting frames (4) are fixed at both ends of the handle (5), and the bottoms of the two connecting frames (4) are fixed with the two end plates (3) respectively, and a plurality of placing mechanisms (6) are installed between the two end plates (3); and a plurality of ground insertion rods (7), the housings of the nodal seismographs (1) are provided with insertion holes (8) matched with the ground insertion rods (7), and the plurality of ground insertion rods (7) are inserted into the plurality of placing mechanisms (6) correspondingly, the placing mechanism (6) comprises an insertion ring (9), one of the end plates (3) is provided with a mounting hole (10), and the other end plate (3) is provided with a placing hole (11), the insertion ring (9) is rotatably installed in the mounting hole (10) through a rotating shaft, one end of the ground insertion rod (7) is inserted into the insertion ring (9), and the other end is placed in the placing hole (11), the connecting frame (4) is composed of a V-shaped frame (12) and two L-shaped frames (13), the two L-shaped frames (13) are fixed at both ends of the V-shaped frame (12), and the two L-shaped frames (13) are fixed with the outer side of the end plate (3), the V-shaped frame (12) is provided with a storage opening (14), and the storage opening (14) is provided with an insertion opening (15), the V-shaped frame (12) is provided with a closing piece (16) at the position corresponding to the insertion opening (15), and the ground insertion rod (7) is inserted into the storage opening (14).

2. The seismic signal acquisition apparatus for geophysical exploration according to claim 1, wherein: The inner side of the insertion ring (9) is provided with a rubber ring, and the rubber ring is attached to the outer side of the ground insertion rod (7), and the placing hole (11) is provided with a chamfer for facilitating the placement of the ground insertion rod (7).

3. The seismic signal acquisition apparatus for geophysical exploration according to claim 1, wherein: The closing piece (16) comprises a connecting shaft (17) rotatably installed on the V-shaped frame (12), the outer side of the connecting shaft (17) is fixed with a closing plate (18), and the outer end of the closing plate (18) is fixed with magnet blocks that attract each other adjacent to the insertion opening (15).

4. The seismic signal acquisition apparatus for geophysical exploration of claim 1, wherein: The outer side of the ground insertion rod (7) is provided with two annular grooves (19), and the two annular grooves (19) are slidably connected with the storage opening (14).

5. The seismic signal acquisition apparatus for geophysical exploration of claim 1, wherein: The bottom of the ground insertion rod (7) is a tapered structure, and the top is provided with a mounting groove (20), and the mounting groove (20) is installed with an abutting piece (21).

6. A seismic signal acquisition apparatus for geophysical prospecting according to claim 5, characterized in that: The abutting piece (21) comprises an abutting plate (22) rotatably installed in the mounting groove (20), the mounting groove (20) is fixed with a baffle (23), and the baffle (23) is fixed with a spring sheet (24) attached to the abutting plate (22).

7. The apparatus of claim 1, wherein: The outer side of the handle (5) is provided with a sponge layer.

8. The method of claim 1-7, wherein: The method comprises the following steps: S1. The plurality of nodal seismographs (1) are sleeved on the outer side of the ground insertion rod (7), and then the ground insertion rod (7) sleeved with the nodal seismograph (1) is connected with the plurality of placing mechanisms (6); S2. The personnel place the plurality of ground insertion rods (7) in the storage opening (14). S3. The personnel hold the handle (5), take multiple nodal seismographs (1) at one time, go to the measuring point to place the nodal seismograph (1), and insert the ground rod (7) into the ground during the placement process, and then place the nodal seismograph (1) outside the ground rod (7).

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