CN210243851U

CN210243851U - Artificial seismic source device for geophysical exploration

Info

Publication number: CN210243851U
Application number: CN202020241603.1U
Authority: CN
Inventors: Heng Guo; 郭恒
Original assignee: Shandong Fourth Geological Mineral Investigation and Exploration Institute
Current assignee: Shandong Fourth Geological Mineral Investigation and Exploration Institute
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-04-03
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses an artificial seismic source device for geophysical exploration, which comprises a bottom plate and a top plate, the four corners of the upper side of the bottom plate are fixedly provided with first upright posts which are fixedly connected with first mounting plates, the middle part of the upper side of the bottom plate is welded with a sleeve, the inner cavity of the sleeve is connected with a round bar in a sliding way, the middle part of the upper end of the round bar is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a rack, a spring is fixedly connected between the round rod and the bottom of the first mounting plate, a U-shaped bracket is arranged at the lower side of the top plate, a gear with a notch is rotatably connected on the bracket, the utility model discloses a vibration isolation device, including bottom plate, gear and rack, the downside fixedly connected with second stand of bottom plate, the lower extreme fixedly connected with second mounting panel of second stand, the middle part sliding connection of second mounting panel has the vibrations post that runs through. The device is accelerated by utilizing spring ejection, and the overall height and volume can be greatly reduced, so that the device is convenient to transport.

Description

Artificial seismic source device for geophysical exploration

Technical Field

The utility model relates to a geographic exploration technical field specifically is an artifical focus device is used in geophysical exploration.

Background

At present, shallow seismic exploration technology is adopted in field superficial geophysical exploration as one of fracture exploration methods, and the method has the advantages of quickly, economically and comprehensively reflecting geological structure information characteristics of a survey area and is widely applied to engineering geological exploration. Common exploration seismic sources include 3 types, namely vibroseis, dynamite and artificial hammer sources. The controllable seismic source needs to be vehicle-mounted, the price is high, and the controllable seismic source vehicle cannot reach the vehicle to play a role under the condition of poor traffic conditions such as hillsides and large ditches. The explosive is used as one of conventional seismic sources for seismic exploration and has certain application in seismic exploration, however, the explosive belongs to national control articles, the material source of the explosive is limited in many aspects, and the controllability of the explosive source is relatively poor, so that the signal quality cannot be ensured. Although the energy of the manually hammered seismic source is small, the controllability is high, the operation is simple and convenient, the operation is flexible and portable, and the advantages in small-scale geological exploration are obvious.

The application number is CN 201820004601.3's Chinese patent, it discloses an artificial seismic source device for geophysical exploration, including support and gravity hammer, also including wire rope, fixed pulley and grabbing mechanism used for grabbing or releasing the gravity hammer, the fixed pulley is set up in the top of the support, there are lever blocks on the support, one end of the wire rope is connected with lever block, another end of the wire rope is connected with grabbing mechanism after bypassing the fixed pulley, the gravity hammer is made up of counterweight, air spring and hammer block, the counterweight supplies to grab the mechanism, the counterweight is set up on the hammer block removably, and there are installation cavities between counterweight and hammer block, the air spring is set up in the installation cavity, there are gradienters on the support; the advantage is that construct simple and simple operation. However, the above solution also has the following disadvantages: the free fall of gravity hammer strikes ground with higher speed, makes artifical focus, needs the gravity hammer to reach certain initial height, otherwise can reach the speed not big enough, and the impact force of production is not enough, consequently requires the high height of support higher, but the high height of support must lead to the fact inconvenient transport.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an artificial seismic source device is used in geophysical prospecting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an artificial seismic source device for geophysical exploration comprises a bottom plate and a top plate, wherein four corners of the upper side of the bottom plate are fixedly provided with first upright posts, the first upright post is fixedly connected with a first mounting plate, the middle part of the upper side of the bottom plate is welded with a sleeve, the inner cavity of the sleeve is connected with a round rod in a sliding way, the middle part of the upper end of the round rod is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a rack, a spring is fixedly connected between the round rod and the bottom of the first mounting plate, a U-shaped bracket is arranged at the lower side of the top plate, a gear with a notch is rotatably connected on the bracket, the gear is meshed with the rack, the lower side of the bottom plate is fixedly connected with a second upright post, the lower end of the second upright post is fixedly connected with a second mounting plate, the middle part sliding connection of second mounting panel has the vibrations post that runs through, the upper end and the telescopic inner chamber sliding connection of vibrations post.

Preferably, the bottom four corners of the bottom plate are hinged with supporting legs, and the upper end of the first stand column is fixedly connected with the bottom of the top plate.

Preferably, the spring is sleeved on a connecting rod, and the connecting rod penetrates through the first mounting plate and is connected with the first mounting plate in a sliding mode.

Preferably, a Z-shaped rocking handle is fixedly mounted on a central shaft of the gear, a rectangular hole is formed in the top plate, and the rack penetrates through the rectangular hole.

Preferably, the vibration column penetrates through the bottom plate and is in sliding connection with the bottom plate, a circular pressing plate is arranged at the lower end of the vibration column, and a check ring is arranged in the middle of the vibration column.

Compared with the prior art, the beneficial effects of the utility model are that: when the vibration device is used, the rocking handle is rotated, the gear rotates and drives the rack to move upwards, the connecting rod pulls the round rod to move upwards, the spring is compressed, when the gear rotates to the notch, the rack is released, the spring launches the round rod downwards, the lower end of the round rod impacts the vibration column, and the vibration column impacts the ground to generate a vibration source. The device is accelerated by utilizing spring ejection, so that the overall height and volume can be greatly reduced, and the transportation is convenient.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a support leg; 3. a first mounting plate; 4. a top plate; 5. a second upright post; 6. a second mounting plate; 7. vibrating the column; 8. a sleeve; 9. a round bar; 10. a spring; 11. a connecting rod; 12. a rack; 13. a support; 14. a gear; 15. a rocking handle; 16. a first upright.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an artificial seismic source device for geophysical prospecting, includes bottom plate 1 and roof 4, and the upside four corners fixed mounting of bottom plate 1 has first stand 16, and the first mounting panel 3 of fixedly connected with on the first stand 16, the bottom four corners of bottom plate 1 are articulated to have landing leg 2, the upper end of first stand 16 and the bottom fixed connection of roof 4

The welding of the upside middle part of bottom plate 1 has sleeve 8, and the inner chamber sliding connection of sleeve 8 has round bar 9, and the upper end middle part fixedly connected with connecting rod 11 of round bar 9, spring 10 cup joint on connecting rod 11, and connecting rod 11 runs through first mounting panel 3 and rather than sliding connection, and connecting rod 11 upwards stimulates round bar 9, and spring 10 is compressed, pops out round bar 9 downwards after spring 10 releases.

The upper end fixedly connected with rack 12 of connecting rod 11, fixedly connected with spring 10 between the bottom of round bar 9 and first mounting panel 3, the support 13 of U-shaped is installed to the downside of roof 4, rotate on the support 13 and be connected with the gear 14 of taking the breach, gear 14 and rack 12 meshing, fixedly mounted has the rocking handle 15 of Z-shaped on the center pin of gear 14, is equipped with the rectangular hole on roof 4, and rack 12 runs through from the rectangular hole.

The downside fixedly connected with second stand 5 of bottom plate 1, the lower extreme fixedly connected with second mounting panel 6 of second stand 5, the middle part sliding connection of second mounting panel 6 has vibrations post 7 that runs through, the upper end of vibrations post 7 and sleeve 8's inner chamber sliding connection, vibrations post 7 run through bottom plate 1 and rather than sliding connection, the lower extreme of vibrations post 7 is equipped with the circular shape clamp plate, the middle part of vibrations post 7 is equipped with the retaining ring, the retaining ring is used for restricting vibrations post 7 to break away from second mounting panel 6.

The working principle is as follows: prevent this device subaerial during the use, adjust the inclination of landing leg 2, make the lower extreme and the ground contact of vibrations post 7, the upper end and the round bar 9 contact of vibrations post 7, then rotate rocking handle 15, make gear 14 rotatory and drive rack 12 upwards remove, connecting rod 11 pulling round bar 9 rebound, spring 10 is compressed, when gear 14 rotated breach department, rack 12 was released, spring 10 resumes to launch round bar 9, the lower extreme striking vibrations post 7 of round bar 9, vibrations post 7 strikes ground again and produces the seismic source, it can produce continuous seismic source to continue to rotate rocking handle 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An artificial seismic source device for geophysical exploration, comprising a bottom plate (1) and a top plate (4), characterized in that: the upper side four corners of the bottom plate (1) are fixedly provided with a first stand column (16), the first stand column (16) is fixedly connected with a first mounting plate (3), the upper side middle part of the bottom plate (1) is welded with a sleeve (8), the inner cavity of the sleeve (8) is slidably connected with a round rod (9), the upper end middle part of the round rod (9) is fixedly connected with a connecting rod (11), the upper end of the connecting rod (11) is fixedly connected with a rack (12), a spring (10) is fixedly connected between the round rod (9) and the bottom of the first mounting plate (3), the lower side of the top plate (4) is provided with a U-shaped bracket (13), the bracket (13) is rotatably connected with a gear (14) with a notch, the gear (14) is meshed with the rack (12), the lower side of the bottom plate (1) is fixedly connected with a second stand column (5), and the lower end of the second stand column (5) is fixedly, the middle part sliding connection of second mounting panel (6) has vibrations post (7) that run through, the upper end of vibrations post (7) and the inner chamber sliding connection of sleeve (8).

2. The artificial seismic source device for geophysical exploration according to claim 1, wherein: the bottom four corners of the bottom plate (1) are hinged with the supporting legs (2), and the upper end of the first upright post (16) is fixedly connected with the bottom of the top plate (4).

3. The artificial seismic source device for geophysical exploration according to claim 1, wherein: the spring (10) is sleeved on the connecting rod (11), and the connecting rod (11) penetrates through the first mounting plate (3) and is in sliding connection with the first mounting plate.

4. The artificial seismic source device for geophysical exploration according to claim 1, wherein: a Z-shaped rocking handle (15) is fixedly mounted on a central shaft of the gear (14), a rectangular hole is formed in the top plate (4), and the rack (12) penetrates through the rectangular hole.

5. The artificial seismic source device for geophysical exploration according to claim 1, wherein: the vibration column (7) penetrates through the bottom plate (1) and is in sliding connection with the bottom plate, a circular pressing plate is arranged at the lower end of the vibration column (7), and a check ring is arranged in the middle of the vibration column (7).