An acceleration source excitation device

Abstract

The application provides an acceleration seismic source excitation device, comprising a cylinder, an electromagnetic lock unit, an anvil, a hammer, a hammer connecting piece, a hammer lifting unit and an acceleration driving unit. The application provides a complete and reliable acceleration seismic source excitation device. The acceleration driving unit provides acceleration driving force for the hammer, so that the hammer can excite seismic waves with a deeper detection depth and a higher resolution. The electromagnetic lock unit realizes controllable release of the hammer, so that the safety of the seismic source excitation device is improved. In addition, the hammer lifting unit and the hammer are connected through the cooperation of the inclined surfaces, so that the hammer lifting unit and the hammer are separated when the hammer is lifted to the highest point, and the hammer lifting unit does not affect the release of the hammer. The device has a simple structure, is convenient to disassemble, install and maintain, is convenient to transport, and has good durability and safety.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of underground space exploration, and more particularly to an acceleration seismic source exciting device. BACKGROUND

[0002] Seismic exploration sources are divided into explosive sources and non-explosive sources. The explosive source is a dynamite source, and the non-explosive source is divided into a controllable source and an impact source. The controllable source includes an electric spark source, an electromagnetic controllable source, a hydraulic controllable source, etc. The impact source includes a manual heavy hammer source, a falling heavy hammer source, an impact ram source, an acceleration heavy hammer source, etc.

[0003] The acceleration heavy hammer source is gradually improved and developed from the early falling heavy hammer source. The current acceleration heavy hammer source reduces the mass and lifting height of the falling heavy hammer source, and increases the exciting speed by means of strong spiral springs, hydraulic or pneumatic driving methods, thereby ensuring the exciting energy.

[0004] The controllable source vehicle is very popular in the market, but there is no complete and specific acceleration seismic source exciting device on the market at present. The acceleration seismic source exciting device can excite seismic waves with deeper detection depth and higher resolution than the controllable source vehicle.

[0005] Therefore, with the rapid development of underground space exploration, the detection depth and resolution requirements of the required seismic source exciting device are becoming higher and higher, and it is urgent to design and manufacture a complete and reliable acceleration seismic source exciting device. SUMMARY

[0006] The application aims to provide an acceleration seismic source exciting device to solve the technical problem that the seismic source exciting device in the prior art cannot excite seismic waves with deeper detection depth and higher resolution.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the application is to provide an acceleration seismic source exciting device, comprising:

[0008] A cylinder body is provided with a central through hole; first and second through holes are respectively arranged on the opposite two side walls of the cylinder body, and a through gap slot is further arranged along the height direction of the cylinder body, which is in communication with the central through hole;

[0009] An electromagnetic lock unit includes two groups of symmetrically arranged electromagnetic locks; the electromagnetic locks are arranged at the first and second through holes; the electromagnetic lock includes an electromagnet, an elastic member and a magnetic buckle, one end of the magnetic buckle is provided with a first inclined surface extending in an upward and inclined direction;

[0010] An anvil is connected to one end of the cylinder body;

[0011] A vibratory hammer is disposed within the central through hole; the end of the vibratory hammer is provided with an end cap, and the end cap is provided with a second inclined surface that matches the first inclined surface;

[0012] The vibratory hammer connector has one end fixed to the vibratory hammer and the other end extending out of the notch; one end of the vibratory hammer connector is provided with a third inclined surface extending in a downward direction;

[0013] A vibratory hammer lifting unit includes a hydraulic cylinder, a hydraulic rod, and a mating part connected to one end of the hydraulic rod. The mating part has a fourth inclined surface that matches a third inclined surface; and...

[0014] An acceleration drive unit is connected to the cylinder; the acceleration drive unit includes a retractable drive rod.

[0015] In the first state, the third inclined surface and the fourth inclined surface are completely in contact, the electromagnet is de-energized, the elastic element is in a naturally extended state, the vibrating hammer is in contact with the anvil, one end of the magnetic buckle is located in the central through hole, and the drive rod is in a maximum extended state.

[0016] In the second state, the third inclined surface and the fourth inclined surface are partially attached, the electromagnet is de-energized, the magnetic buckle compresses the elastic element to the first compression length, one end of the drive rod abuts against the end cap, the drive rod retracts to the first height, and one end of the magnetic buckle abuts against the vibrating hammer to lock the vibrating hammer.

[0017] In the third state, the third inclined plane is completely separated from the fourth inclined plane, the electromagnet is energized, the magnetic buckle compresses the elastic element to the second compression length, one end of the drive rod abuts against the end cap, the drive rod retracts to the second height, one end of the magnetic buckle retracts into the first through hole and the second through hole to release the vibrating hammer, the second compression length is less than the first compression length, and the second height is greater than the first height.

[0018] Furthermore, it also includes a motion guide plate, which is fixedly connected to the cylinder body, and the motion guide plate is provided with symmetrical arc-shaped grooves on opposite sides;

[0019] One end of the hydraulic rod is connected to a guide rail, and the fourth inclined surface is connected to the guide rail. Both ends of the guide rail are movably inserted into the arc-shaped sliding groove.

[0020] Furthermore, it also includes a fixing frame connected to the cylinder, and the hydraulic cylinder is hinged to the fixing frame via a hinge plate.

[0021] Furthermore, the acceleration drive unit is a nitrogen spring, and the drive rod is connected to the nitrogen spring cylinder of the nitrogen spring.

[0022] Furthermore, it also includes a connecting plate, which is disposed between the fixing frame and the cylinder, and one end of the cylinder and the nitrogen spring are both fixed on the connecting plate.

[0023] Furthermore, a groove is provided between the end cap and the vibrating hammer body, and in the second state, one end of the magnetic buckle abuts against the groove.

[0024] Furthermore, the first through hole and the second through hole are symmetrically arranged. The first through hole includes a first channel, a second channel and a third channel that are connected. The cross-sectional width of the second channel is smaller than the cross-sectional width of the first channel and smaller than the cross-sectional width of the third channel.

[0025] The electromagnet is located at the first channel, the elastic element is located in the third channel, and the elastic element is sleeved on the magnetic buckle;

[0026] In both the second and third states, the ends of the magnetic buckle compress the elastic element.

[0027] Furthermore, the cutting board is provided with multiple nail teeth.

[0028] Furthermore, the cutting board is connected to one end of the cylinder via two symmetrically arranged side panels.

[0029] Furthermore, the elastic element is a spring.

[0030] Compared with the prior art, this application has the following technical effects:

[0031] This application provides a complete and reliable acceleration source excitation device. The acceleration source excitation device of this application provides acceleration driving force to the vibratory hammer through an acceleration driving unit, enabling it to excite seismic waves with deeper detection depth and higher resolution. The controllable release of the vibratory hammer is achieved through an electromagnetic locking unit, which greatly improves the safety of the source excitation device. In addition, the vibratory hammer lifting unit and the vibratory hammer are connected by a cooperative connection between inclined planes to achieve the lifting of the vibratory hammer. When the vibratory hammer is lifted to the highest point, the vibratory hammer lifting unit and the vibratory hammer are just separated, and the vibratory hammer lifting unit will not affect the release of the vibratory hammer.

[0032] The acceleration source excitation device disclosed in this application has a simple structure, is easy to disassemble, install, and maintain, is convenient to transport, and has good durability and safety. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a front view structural schematic diagram of an acceleration source excitation device provided in an embodiment of this application;

[0035] Figure 2 for Figure 1 A schematic diagram of the left-side view structure;

[0036] Figure 3 for Figure 1 A schematic diagram of the right-side view structure;

[0037] Figure 4 for Figure 1 Partial structural diagram;

[0038] Figure 5 for Figure 1 Partial structural diagram;

[0039] Figure 6 for Figure 1 Partial structural diagram;

[0040] Figure 7 for Figure 1 A schematic diagram of the cross-sectional structure of the connection between the electromagnetic locking unit and the vibrating hammer.

[0041] The following are the labeling elements in the figure:

[0042] 1. Cylinder body, 2. Electromagnet, 3. Elastic element, 4. Magnetic buckle, 5. Anvil, 6. Vibrating hammer, 7. Vibrating hammer connector, 8. Hydraulic cylinder, 9. Hydraulic rod, 10. Mating part, 11. Drive rod, 12. Motion guide plate, 13. Guide rail bar, 14. Fixing frame, 15. Hinge plate, 16. Nitrogen spring cylinder, 17. Connecting plate, 18. Side panel, 101. Central through hole, 102. First through hole, 103. Second through hole, 104. Notch groove, 401. First inclined surface, 501. Nail tooth, 601. End cap, 602. Groove, 701. Third inclined surface, 1001. Fourth inclined surface, 1021. First channel, 1022. Second channel, 1023. Third channel, 1201. Arc-shaped slide groove, 6011. Second inclined surface. Detailed Implementation

[0043] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0044] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0045] It should be understood that the terms "length", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0046] Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," "third," "fourth," or "fifth" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0047] Please refer to the following: Figures 1-7 The present application will now describe an acceleration source excitation device provided in the embodiments of this application.

[0048] In one embodiment of this application, an acceleration source excitation device includes a cylinder 1, an electromagnetic locking unit, an anvil 5, a vibrating hammer 6, a vibrating hammer connector 7, a vibrating hammer lifting unit, and an acceleration drive unit. The cylinder 1 has a central through hole 101; first through holes 102 and second through holes 103 are respectively provided on opposite side walls of the cylinder 1, and a through notch 104 is also provided along the height direction of the cylinder 1, the notch 104 communicating with the central through hole 101; the electromagnetic locking unit includes two sets of symmetrically arranged electromagnetic latches, the two sets of electromagnetic latches being respectively located at the first through hole 102 and the second through hole 103; the electromagnetic latch includes an electromagnet 2, an elastic element 3, and a magnetic buckle 4, one end of the magnetic buckle 4 having a first inclined surface 401 extending obliquely upward, the elastic element 3 in this embodiment being a spring; the anvil 5 is connected to one end of the cylinder 1; the vibrating hammer 6 is located in the central... Inside the through hole 101; the end of the vibrating hammer 6 is provided with an end cap 601, and the end cap 601 is provided with a second inclined surface 6011 that matches the first inclined surface 401; one end of the vibrating hammer connecting member 7 is fixed to the vibrating hammer 6, and the other end extends out of the notch groove 104; one end of the vibrating hammer connecting member 7 is provided with a third inclined surface 701 extending in a downward direction; the vibrating hammer lifting unit includes a hydraulic cylinder 8, a hydraulic rod 9 and a mating part 10 connected to one end of the hydraulic rod 9, the mating part 10 is provided with a fourth inclined surface 1001, and the fourth inclined surface 1001 matches the third inclined surface 701; the acceleration drive unit is connected to the cylinder 1, and the acceleration drive unit includes a telescopic drive rod 11.

[0049] The embodiments of this application do not show the hydraulic control system of the vibratory hammer lifting unit, which is a conventional structural design.

[0050] In the first state, the third inclined plane 701 and the fourth inclined plane 1001 are completely in contact, the electromagnet 2 is de-energized, the elastic element 3 is in a naturally extended state, the vibrating hammer 6 is in contact with the anvil 5, and one end of the magnetic buckle 4 is located inside the central through hole 101; the drive rod 11 is in a maximum extended state. The first state is the initial state. At this time, the lower end of the vibrating hammer 6 abuts against the anvil 5, the electromagnet 2 of the electromagnetic locking unit is not energized (i.e., de-energized) and has no magnetism. It does not have a magnetic attraction to the magnetic buckle 4. Therefore, the elastic element 3 will not be compressed and is in a naturally extended state. In the naturally extended state, one end of the magnetic buckle 4 located in the first through hole 102 and the second through hole 103 extends out of the first through hole 102 and the second through hole 103, that is, it is located inside the central through hole 101. At this time, the drive rod 11 of the acceleration drive unit is also in a maximum extended state, that is, the vibrating hammer 6 located below the drive rod 11 will not exert an upward compressive force on the drive rod 11. At the same time, the hydraulic rod 9 of the vibratory hammer lifting unit is in its maximum extension state.

[0051] In the second state, the third inclined surface 701 and the fourth inclined surface 1001 are partially in contact. The electromagnet 2 is de-energized, and the magnetic buckle 4 compresses the elastic element 3 to the first compression length. One end of the drive rod 11 abuts against the end cap 601, and the drive rod 11 retracts to the first height. One end of the magnetic buckle 4 abuts against the vibrating hammer 6, locking the vibrating hammer 6. In the second state, the hydraulic cylinder 8 of the vibrating hammer lifting unit is activated, causing the hydraulic rod 9 to retract, thereby realizing the lifting operation of the vibrating hammer 6. As the hydraulic rod 9 gradually retracts upward, it drives the mating part 10 to move upward, thereby driving the vibrating hammer 6 to move upward within the central through hole 101. During the movement, the contact degree between the third inclined surface 701 and the fourth inclined surface 1001 gradually decreases, that is, it partially contacts. In the first state, as the vibrating hammer 6 moves upward, the end cap 601 at the upper end of the vibrating hammer 6 applies a pushing force to the magnetic buckle 4 at its upper end. Under the combined action of the first inclined surface 401 and the second inclined surface 6011, the end cap 601 squeezes the magnetic buckle 4 to the left and right sides, causing the magnetic buckle 4 to gradually retract into the first through hole 102 and the second through hole 103, thus gradually compressing the elastic element 3. During this process, the end of the magnetic buckle 4 always abuts against the surface of the vibrating hammer 6. When the end cap 601 slides and pushes open the magnetic buckles 4 on its left and right sides along the first inclined surface 401 and the second inclined surface 6011, the end cap 601 moves to above the magnetic buckle 4, and the end of the magnetic buckle 4 abuts against the hammer body of the vibrating hammer 6, as shown. Figure 5 , Figure 7 As shown, this is the second state. Because the compressed elastic element 3 generates a rebound force, the vibrating hammer 6, which is in the middle position, is tightly locked by the magnetic buckles 4 on both sides, thus preventing it from falling down.

[0052] In the third state, the third inclined plane 701 and the fourth inclined plane 1001 are completely separated. The electromagnet 2 is energized, and the magnetic buckle 4 compresses the elastic element 3 to the second compression length. One end of the drive rod 11 abuts against the end cap 601, and the drive rod 11 retracts to the second height. One end of the magnetic buckle 4 retracts into the first through hole 102 and the second through hole 103, so that the vibrating hammer 6 is released. The second compression length is less than the first compression length, and the second height is greater than the first height. The third state is the state in which the vibrating hammer 6 continues to be lifted upwards in the second state, and the driving rod 11 on its upper part is further compressed to the maximum compression. At this time, the third inclined surface 701 and the fourth inclined surface 1001 are completely separated, that is, the mating part 10 of the vibrating hammer lifting unit can no longer apply force to the vibrating hammer 6. At this time, the electromagnet 2 is energized again. The electromagnet 2 has magnetism, which will generate a magnetic attraction to the magnetic buckle 4. Under the action of the magnetic attraction, the protruding end of the magnetic buckle 4 will continue to retract into the first through hole 102 and the second through hole 103 until the protruding end of the magnetic buckle 4 separates from the surface of the vibrating hammer 6. In this way, the magnetic buckle 4 no longer provides clamping force to the vibrating hammer 6. The vibrating hammer 6 falls downwards under the action of gravity. At the same time, the driving rod 11 rebounds downwards, further applying a downward elastic force to the vibrating hammer 6, causing the vibrating hammer 6 to accelerate downwards and fall onto the anvil 5, applying a downward force to the anvil 5, thereby activating the vibration source. After the vibrating hammer 6 is released and falls, the electromagnet 2 is de-energized. At this time, the elastic element 3 returns to its original natural extension state, and the drive rod 11 is also in its maximum extension state.

[0053] In this embodiment, the first compression length and the second compression length refer to the length of the elastic element 3 after compression. Both the first height and the second height are referenced to the ground surface contacted by the lower end of the anvil 5. In this embodiment, the end cap 601 is frustum-shaped.

[0054] After the vibratory hammer 6 falls onto the anvil plate 5, the hydraulic rod 9 of the vibratory hammer lifting unit can be extended downwards again, so that the fourth inclined surface 1001 of the mating part 10 and the third inclined surface 701 of the vibratory hammer connector 7 can be re-fitted, thus returning to the initial first state, and the next vibration source excitation operation can begin.

[0055] This application provides a complete and reliable acceleration source excitation device. The acceleration source excitation device of this application provides acceleration driving force to the vibrating hammer 6 through an acceleration driving unit, enabling it to excite seismic waves with deeper detection depth and higher resolution. The controllable release of the vibrating hammer 6 is achieved through an electromagnetic locking unit, which greatly improves the safety of the source excitation device. In addition, the vibrating hammer lifting unit and the vibrating hammer 6 are connected by a cooperative connection between inclined planes to achieve the lifting of the vibrating hammer 6. When the vibrating hammer 6 is lifted to the highest point, the vibrating hammer lifting unit and the vibrating hammer 6 are just separated, and the vibrating hammer lifting unit will not affect the release of the vibrating hammer 6.

[0056] The acceleration source excitation device disclosed in this application has a simple structure, is easy to disassemble, install, and maintain, is convenient to transport, and has good durability and safety.

[0057] Furthermore, the acceleration source excitation device in this embodiment also includes a motion guide plate 12, which is fixedly connected to the cylinder 1. The motion guide plate 12 has symmetrically arranged arc-shaped grooves 1021 on both sides. One end of the hydraulic rod 9 is connected to a guide rail 13, and a mating part 10 is connected to the guide rail 13. The mating part 10 has a fourth inclined surface 1001, and both ends of the guide rail 13 are movably inserted into the arc-shaped grooves 1021. By setting the motion guide plate 12, during the lifting operation of the vibratory hammer 6, the mating part 10 gradually moves upward along the trajectory of the arc-shaped grooves 1021, thereby driving the vibratory hammer 6 to gradually move upward. The design of the motion guide plate 12 and the arc-shaped slide 1021 can ensure that the vibrating hammer 6 moves upward gradually along the predetermined motion trajectory, improve the stability of the vibrating hammer lifting unit's motion control of the vibrating hammer 6, and ensure that when the vibrating hammer 6 reaches the highest position, the vibrating hammer lifting unit and the vibrating hammer 6 are just separated, so that the vibrating hammer lifting unit does not affect the subsequent release and falling motion of the vibrating hammer 6.

[0058] Furthermore, the acceleration source excitation device in this embodiment of the application also includes a fixed frame 14, which is connected to the cylinder 1. The hydraulic cylinder 8 is hinged to the fixed frame 14 via a hinge plate 15. The vibratory hammer lifting unit can be connected to the cylinder 1 via the fixed frame 14 and the hinge plate 15, making the device structure more highly integrated and miniaturized.

[0059] Furthermore, in this embodiment, the acceleration drive unit is a nitrogen spring, and the drive rod 11 is connected to the nitrogen spring cylinder 16 of the nitrogen spring. When the vibratory hammer lifting unit lifts the vibratory hammer 6 upward, the top of the vibratory hammer 6 compresses the nitrogen spring, and the nitrogen spring drive rod 11 contracts. When the vibratory hammer 6 rises to its highest position, the magnetic buckle 4 locks the vibratory hammer 6, at which point the nitrogen spring reaches its maximum compression and exerts maximum elastic force on the vibratory hammer 6. After the vibratory hammer 6 is released, under its own weight and the elastic force of the nitrogen spring, it gains a certain acceleration and falls to impact the anvil 5, thereby generating seismic waves. The nitrogen spring has advantages such as small size, large elastic force, stable operation, and long life, making it suitable as a drive module for an acceleration source excitation device, capable of generating a large acceleration on the vibratory hammer 6. In addition, the inflation pressure of the nitrogen spring can be adjusted by adjusting the booster pump. Different inflation pressures result in different initial and final elastic forces, thereby changing the acceleration of the vibratory hammer 6 when it impacts the anvil 5.

[0060] The acceleration drive unit in this application embodiment is not limited to a nitrogen spring, but can also be a high-strength helical spring, a spring driven by hydraulic or pneumatic methods, etc.

[0061] Furthermore, the acceleration source excitation device in this embodiment of the application also includes a connecting plate 17, which is disposed between the fixed frame 14 and the cylinder 1. One end of the cylinder 1 and the nitrogen spring are both fixed to the connecting plate 17. The fixed frame 14 and the cylinder 1 are assembled into one unit by the connecting plate 17.

[0062] Furthermore, in this embodiment of the acceleration source excitation device, a groove 602 is provided between the end cap 601 and the hammer body of the vibrating hammer 6. In the second state, one end of the magnetic buckle 4 abuts against the groove 602, which can further increase the firmness of the buckle between the magnetic buckle 4 and the vibrating hammer 6 and prevent the vibrating hammer 6 from falling off the magnetic buckle 4.

[0063] Furthermore, in the acceleration source excitation device of this application embodiment, the first through hole 102 and the second through hole 103 are symmetrically arranged. The first through hole 102 includes a first channel 1021, a second channel 1022, and a third channel 1023 that are connected. The cross-sectional width of the second channel 1022 is smaller than the cross-sectional width of the first channel 1021 and smaller than the cross-sectional width of the third channel 1023. That is, both the first through hole 102 and the second through hole 103 have a structure that is narrow in the middle and wide at both ends. Figure 7 As shown. Electromagnet 2 is located at the first channel 1021, and elastic element 3 is located within the third channel 1023. Elastic element 3 is sleeved on magnetic buckle 4. In both the second and third states, the end of magnetic buckle 4 compresses elastic element 3. In this way, during the compression process, elastic element 3 is always fixed within the third channel 1023 and will not move through the second channel 1022 towards the first channel 1021. This ensures that elastic element 3 generates sufficient rebound force on magnetic buckle 4, so that in both the second and third states, when electromagnet 2 is not energized, the end of magnetic buckle 4 can abut against the surface of vibrating hammer 6, thereby providing clamping force to vibrating hammer 6.

[0064] In this embodiment, the electromagnet 2 can be partially inserted into the first through hole 102 and partially extended out of the first through hole 102; the electromagnet 2 can also be connected to the end of the first through hole 102, such as... Figure 7 As shown, it is sufficient to ensure that the magnetic latch 4 can be attracted to the electromagnet 2 and move towards the location of the electromagnet 2 when the electromagnet 2 is energized. The magnetic latch 4 is made of ferromagnetic metal and can be attracted by the electromagnet 2 when it is energized.

[0065] Furthermore, the anvil 5 of the acceleration source excitation device in this embodiment of the application is provided with a plurality of nail teeth 501, so that when the vibrating hammer 6 strikes the anvil 5 downward, the plurality of nail teeth 501 further excite seismic waves with a deeper detection depth and higher resolution.

[0066] Furthermore, in this embodiment of the application, the cutting board 5 is connected to one end of the cylinder 1 via two symmetrically arranged side panels 18.

[0067] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An acceleration source excitation device, characterized in that, include: A cylindrical body is provided with a central through hole; a first through hole and a second through hole are respectively provided on the opposite side walls of the cylindrical body; a through notch is also provided along the height direction of the cylindrical body, and the notch is connected to the central through hole. The electromagnetic locking unit includes two sets of symmetrically arranged electromagnetic latches; the electromagnetic latches are respectively disposed at the first through hole and the second through hole; the electromagnetic latch includes an electromagnet, an elastic element and a magnetic buckle, and one end of the magnetic buckle is provided with a first inclined surface extending in an upward direction; An anvil board is attached to one end of the cylinder. A vibratory hammer is disposed within the central through hole; the end of the vibratory hammer is provided with an end cap, and the end cap is provided with a second inclined surface that matches the first inclined surface; The vibratory hammer connector has one end fixed to the vibratory hammer and the other end extending out of the notch; one end of the vibratory hammer connector is provided with a third inclined surface extending in a downward direction; The vibratory hammer lifting unit includes a hydraulic cylinder, a hydraulic rod, and a fourth inclined surface connected to one end of the hydraulic rod, the fourth inclined surface matching the third inclined surface; as well as, An acceleration drive unit is connected to the cylinder; the acceleration drive unit includes a retractable drive rod. In the first state, the third inclined surface and the fourth inclined surface are completely in contact, the electromagnet is de-energized, the elastic element is in a naturally extended state, the vibrating hammer is in contact with the anvil, one end of the magnetic buckle is located in the central through hole, and the drive rod is in a maximum extended state. In the second state, the third inclined surface and the fourth inclined surface are partially attached, the electromagnet is de-energized, the magnetic buckle compresses the elastic element to the first compression length, one end of the drive rod abuts against the end cap, the drive rod retracts to the first height, and one end of the magnetic buckle abuts against the vibrating hammer to lock the vibrating hammer. In the third state, the third inclined plane is completely separated from the fourth inclined plane, the electromagnet is energized, the magnetic buckle compresses the elastic element to the second compression length, one end of the drive rod abuts against the end cap, the drive rod retracts to the second height, one end of the magnetic buckle retracts into the first through hole and the second through hole to release the vibrating hammer, the second compression length is less than the first compression length, and the second height is greater than the first height.

2. The acceleration source excitation device as described in claim 1, characterized in that, It also includes a motion guide plate, which is fixedly connected to the cylinder body, and the motion guide plate has symmetrical arc-shaped grooves on opposite sides; One end of the hydraulic rod is connected to a guide rail, and the fourth inclined surface is connected to the guide rail. Both ends of the guide rail are movably inserted into the arc-shaped sliding groove.

3. The acceleration source excitation device as described in claim 1, characterized in that, It also includes a fixing frame, which is connected to the cylinder, and the hydraulic cylinder is hinged to the fixing frame via a hinge plate.

4. The acceleration source excitation device as described in claim 3, characterized in that, The acceleration drive unit is a nitrogen spring, and the drive rod is connected to the nitrogen spring cylinder of the nitrogen spring.

5. The acceleration source excitation device as described in claim 4, characterized in that, It also includes a connecting plate, which is disposed between the fixing frame and the cylinder, and one end of the cylinder and the nitrogen spring are both fixed on the connecting plate.

6. The acceleration source excitation device as described in claim 1, characterized in that, A groove is provided between the end cap and the hammer body. In the second state, one end of the magnetic buckle abuts against the groove.

7. The acceleration source excitation device as described in claim 1, characterized in that, The first through hole and the second through hole are symmetrically arranged. The first through hole includes a first channel, a second channel and a third channel that are connected. The cross-sectional width of the second channel is smaller than the cross-sectional width of the first channel and smaller than the cross-sectional width of the third channel. The electromagnet is located at the first channel, the elastic element is located in the third channel, and the elastic element is sleeved on the magnetic buckle; In both the second and third states, the ends of the magnetic buckle compress the elastic element.

8. The acceleration source excitation device as described in claim 1, characterized in that, The cutting board has multiple nail teeth.

9. An acceleration vibration source excitation device as described in claim 8, characterized in that, The cutting board is connected to one end of the cylinder via two symmetrically arranged side panels.

10. An acceleration source excitation device as described in any one of claims 1-9, characterized in that, The elastic element is a spring.

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