CN215641861U

CN215641861U - Seismic source generating device for geophysical exploration

Info

Publication number: CN215641861U
Application number: CN202121545281.0U
Authority: CN
Inventors: 卢树仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-01-25
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to a seismic source generating device for geophysical exploration in the technical field of geophysical exploration, which comprises a rack, an excitation steel plate, a limiting plate, a winch, a heavy hammer, a movable plate, a motor and a speed reducer, wherein the excitation steel plate is arranged on the rack; the bottom of the frame is provided with a T-shaped groove, and the excitation steel plate is arranged below the frame; a plurality of sliding rods are arranged in the rack in parallel, and springs are sleeved on the sliding rods; the limiting plate is arranged on the sliding rod in a sliding mode, and the upper surface of the limiting plate is connected with the lower end of the spring; the winch is rotatably arranged in the rack, and a rotating shaft of the winch is provided with a conical friction block; the heavy hammer is arranged in the rack, the heavy hammer is positioned below the limiting plate, and the steel wire rope penetrates through the threading hole to be connected with the heavy hammer; the movable plate is arranged in the rack in a sliding mode, and the output end of the second hydraulic cylinder is fixedly connected with the movable plate; the motor and the speed reducer are both arranged on the movable plate, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is provided with a chuck, and one side of the chuck, which is close to the conical friction block, is provided with a conical groove. The utility model has stable structure, large impact force of the heavy hammer and large explorable foundation depth.

Description

Seismic source generating device for geophysical exploration

Technical Field

The utility model relates to the technical field of geophysical exploration, in particular to a seismic source generating device for geophysical exploration.

Background

Geophysical exploration, abbreviated as geophysical exploration, refers to the detection of geological conditions such as formation lithology, geological structure and the like by researching and observing the changes of various geophysical fields. Since the different formation media that make up the earth's crust tend to differ in density, elasticity, electrical conductivity, magnetism, radioactivity, and thermal conductivity, these differences cause corresponding local changes in the geophysical field. The distribution and change characteristics of the physical fields are measured, and the geological characters can be inferred by analyzing and researching the known geological data.

The seismic source generating device is the most commonly used equipment in the geophysical exploration process, but the existing seismic source generating device is inconvenient to move, is troublesome to horizontally adjust during erection, and has small falling gravity of a heavy hammer inside the existing seismic source generating device, so that the exploitable depth is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seismic source generating device for geophysical exploration, aiming at the defects in the prior art, and the technical scheme is as follows:

a seismic source generating device for geophysical exploration comprises a rack, an excitation steel plate, a limiting plate, a winch, a heavy hammer, a movable plate, a motor and a speed reducer;

the bottom of the rack is provided with a T-shaped groove, the excitation steel plate is arranged below the rack and is in sliding connection with the transverse end of the T-shaped groove, and the excitation steel plate is provided with a fixed column; a first hydraulic cylinder is arranged in the frame, and the movable end of the first hydraulic cylinder is connected with the fixed column; a plurality of sliding rods are arranged in the rack in parallel, and springs are sleeved on the sliding rods; the limiting plate is arranged on the sliding rod in a sliding mode, the upper surface of the limiting plate is connected with the lower end of the spring, and the limiting plate is further provided with a threading hole;

the winch is rotatably arranged in the rack, a rotating shaft of the winch is provided with a conical friction block, and a steel wire rope is wound on the winch; the heavy hammer is arranged in the rack, is positioned below the limiting plate and is provided with a lug, and the steel wire rope passes through the threading hole to be connected with the lug;

the movable plate is arranged in the rack in a sliding manner, a second hydraulic cylinder is also arranged in the rack, and the output end of the second hydraulic cylinder is fixedly connected with the side face of the movable plate; the motor and the speed reducer are both arranged on the movable plate, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is provided with a chuck, and one side of the chuck, which is close to the conical friction block, is provided with a conical groove.

Preferably, four footing sides of frame all are equipped with the backup pad, and the below of backup pad sets up the gyro wheel, and the below of backup pad still is equipped with the support column.

Preferably, the fixing column is provided with a through hole, the top end of the output end of the first hydraulic cylinder is provided with a lifting ring, and the lifting ring penetrates through the through hole.

Preferably, the inside of the frame is also provided with a signal receiving module and a controller, and the frame is provided with an antenna.

Preferably, the fixed pulley is arranged inside the frame, and the steel wire rope is connected with the heavy hammer by bypassing the fixed pulley.

Preferably, the outer surface of the conical friction block is provided with a protrusion, and the inner wall of the conical groove is also provided with a protrusion.

Preferably, a push rod is arranged on the frame, a grip is arranged on the push rod, and an anti-skid sleeve is arranged on the grip.

Preferably, the frame is rotatably provided with a turnover cover through a hinge, the turnover cover is provided with a handle, and the handle is provided with an anti-skidding sleeve.

The utility model has the beneficial effects that:

the roller is arranged to facilitate moving of the horizontal adjusting device, and the supporting columns with adjustable heights are arranged to facilitate fixing of the horizontal adjusting device; by arranging the matching structure of the limiting plate and the spring, the impact force of the heavy hammer on the excitation steel plate is larger by utilizing the extrusion force of the spring and the gravity borne by the heavy hammer, so that deeper geological data can be obtained; by arranging the structure of the chuck and the conical friction block, the winch is convenient to take up and release the steel wire rope; the utility model has high structural stability, simple and convenient operation, convenient maintenance and high practicability, and is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of a seismic source generating device for geophysical exploration, which is provided by the utility model.

Fig. 2 is a schematic diagram of connection between a winch and a motor in the seismic source generating device for geophysical exploration according to the present invention.

Reference numerals: 1. a frame; 2. a roller; 3. a support pillar; 4. an antenna; 5. a T-shaped slot; 6. exciting a steel plate; 7. fixing a column; 8. a through hole; 9. a hydraulic cylinder; 10. a slide bar; 11. a spring; 12. a limiting plate; 13. threading holes; 14. a fixing plate; 15. a winch; 16. a wire rope; 17. a fixed pulley; 18. a weight; 19. a bump; 20. a conical friction block; 21. a movable plate; 22. a second hydraulic cylinder; 23. a motor; 24. a speed reducer; 25. a chuck; 26. and (4) a tapered groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, the seismic source generating device for geophysical exploration, provided by the utility model, comprises a frame 1, an excitation steel plate 6, a limiting plate 12, a winch 15, a heavy hammer 18, a movable plate 21, a motor 23 and a speed reducer 24;

the bottom of the rack 1 is provided with a T-shaped groove 5, the excitation steel plate 6 is arranged below the rack 1 and is in sliding connection with the transverse end of the T-shaped groove 5, and the excitation steel plate 6 is provided with a fixed column 7; a first hydraulic cylinder 9 is arranged in the frame 1, and the movable end of the first hydraulic cylinder 9 is connected with the fixed column 7; a plurality of sliding rods 10 are arranged in parallel in the frame 1, and springs 11 are sleeved on the sliding rods 10; the limiting plate 12 is arranged on the sliding rod 10 in a sliding mode, the upper surface of the limiting plate 12 is connected with the lower end of the spring 11, and the limiting plate 12 is further provided with a threading hole 13;

the winch 15 is rotatably arranged in the rack 1, a rotating shaft of the winch 15 is provided with a conical friction block 20, and a steel wire rope 16 is wound on the winch 15; the weight 18 is arranged in the frame 1, the weight 18 is positioned below the limit plate 12, the weight 18 is provided with a lug 19, and the steel wire rope 16 passes through the threading hole 13 and is connected with the lug 19;

the movable plate 21 is slidably arranged in the frame 1, a second hydraulic cylinder 22 is further arranged in the frame 1, and an output end of the second hydraulic cylinder 22 is fixedly connected with a side surface of the movable plate 21; the motor 23 and the speed reducer 24 are both arranged on the movable plate 21, the output end of the motor 23 is connected with the input end of the speed reducer 24, the output end of the speed reducer 24 is provided with a chuck 25, and one side of the chuck 25 close to the conical friction block 20 is provided with a conical groove 26.

In an alternative embodiment, four footing sides of the frame 1 are provided with supporting plates, rollers 2 are arranged below the supporting plates, and supporting columns 3 are arranged below the supporting plates.

In an alternative embodiment, the fixing column 7 is provided with a through hole 8, and the top end of the output end of the first hydraulic cylinder 9 is provided with a hanging ring which passes through the through hole 8.

In an alternative embodiment, a signal receiving module and a controller are further disposed inside the rack 1, and an antenna is disposed on the rack 1.

In an alternative embodiment, a fixed pulley 17 is disposed inside the frame 1, and the cable 16 is connected to the weight 18 by passing around the fixed pulley 17.

In an alternative embodiment, the outer surface of the tapered friction block 20 is provided with protrusions, and the inner wall of the tapered groove 26 is also provided with protrusions.

In an alternative embodiment, the frame 1 is provided with a push rod, the push rod is provided with a handle, and the handle is provided with an anti-skid sleeve.

In an alternative embodiment, the frame 1 is rotatably provided with a flip cover through a hinge, the flip cover is provided with a handle, and the handle is provided with an anti-slip sleeve.

The working principle of the utility model is as follows:

moving the utility model to a survey area to be detected, and adjusting the height of the support column 3 horizontally;

starting the first hydraulic cylinder 9, wherein the first hydraulic cylinder 9 pushes the excitation steel plate 6 and enables the excitation steel plate to fall on the ground to be detected;

starting the second hydraulic cylinder 22, the second hydraulic cylinder 22 pushing the movable plate 21 to move towards the winch 15, and the tapered friction block 20 gradually inserted into the tapered slot 26 on the chuck 25 and tightly pressed;

starting the motor 23, driving the speed reducer 24 to transmit by the rotation of the motor 23, converting high rotation speed into low rotation speed and large torque, so that the chuck 25 drives the conical friction block 20 to rotate, the winch 15 rotates along with the rotation, and the steel wire rope 16 is gradually recovered;

the steel wire rope 16 drives the heavy hammer 18 to ascend, the limiting plate 12 is pressed by the heavy hammer 18 in the ascending process, and the limiting plate 12 compresses the spring 11 to enable the spring 11 to accumulate potential energy;

when the weight 18 is lifted to a certain height, the second hydraulic cylinder 22 retracts to separate the chuck 25 from the tapered friction block 20, and the weight 18 moves downwards rapidly under the action of gravity and the tension of the spring 11 and passes through the T-shaped slot 5 to strike the excitation steel plate 6, and relevant data can be detected by a detection instrument to finish surveying.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A seismic source generating device for geophysical exploration is characterized by comprising a rack (1), an excitation steel plate (6), a limiting plate (12), a winch (15), a heavy hammer (18), a movable plate (21), a motor (23) and a speed reducer (24);

the bottom of the rack (1) is provided with a T-shaped groove (5), the excitation steel plate (6) is arranged below the rack (1) and is in sliding connection with the transverse end of the T-shaped groove (5), and the excitation steel plate (6) is provided with a fixing column (7); a first hydraulic cylinder (9) is arranged in the rack (1), and the movable end of the first hydraulic cylinder (9) is connected with the fixed column (7); a plurality of sliding rods (10) are arranged in parallel in the rack (1), and springs (11) are sleeved on the sliding rods (10); the limiting plate (12) is arranged on the sliding rod (10) in a sliding mode, the upper surface of the limiting plate (12) is connected with the lower end of the spring (11), and the limiting plate (12) is further provided with a threading hole (13);

the winch (15) is rotatably arranged in the rack (1), a rotating shaft of the winch (15) is provided with a conical friction block (20), and a steel wire rope (16) is wound on the winch (15); the heavy hammer (18) is arranged in the rack (1), the heavy hammer (18) is positioned below the limiting plate (12), a lug (19) is arranged on the heavy hammer (18), and the steel wire rope (16) penetrates through the threading hole (13) to be connected with the lug (19);

the movable plate (21) is arranged in the rack (1) in a sliding manner, a second hydraulic cylinder (22) is further arranged in the rack (1), and the output end of the second hydraulic cylinder (22) is fixedly connected with the side face of the movable plate (21); motor (23) and speed reducer (24) all set up on fly leaf (21), and the output of motor (23) is connected with the input of speed reducer (24), sets up chuck (25) on the output of speed reducer (24), and one side that chuck (25) are close to toper friction block (20) sets up tapered groove (26).

2. The seismic source generating device for geophysical exploration according to claim 1, wherein supporting plates are arranged on the side faces of four feet of the machine frame (1), rollers (2) are arranged below the supporting plates, and supporting columns (3) are further arranged below the supporting plates.

3. The seismic source generating device for geophysical exploration according to claim 1, wherein a through hole (8) is formed in the fixed column (7), a lifting ring is arranged at the top end of the output end of the first hydraulic cylinder (9), and the lifting ring penetrates through the through hole (8).

4. The seismic source generating device for geophysical exploration according to claim 1, wherein a signal receiving module and a controller are further arranged inside the machine frame (1), and an antenna is arranged on the machine frame (1).

5. The seismic source generating device for geophysical exploration according to claim 1, wherein a fixed pulley (17) is arranged inside the frame (1), and the steel wire rope (16) is connected with the heavy hammer (18) by passing through the fixed pulley (17).

6. The seismic source generating device for geophysical exploration according to claim 1, wherein the outer surface of the conical friction block (20) is provided with a protrusion, and the inner wall of the conical groove (26) is also provided with a protrusion.

7. The seismic source generating device for geophysical exploration according to claim 1, wherein a push rod is arranged on the machine frame (1), a handle is arranged on the push rod, and an anti-skid sleeve is arranged on the handle.

8. The seismic source generating device for geophysical exploration according to claim 1, wherein a turnover cover is rotatably arranged on the machine frame (1) through a hinge, a handle is arranged on the turnover cover, and an anti-skid sleeve is arranged on the handle.