Anchor base with built-in mechanical sensor detection device and use method thereof

Abstract

The present invention discloses an anchor base with a built-in mechanical sensor detection device and a method for using the same. The invention solves the technical problems of low detection efficiency and inaccurate detection results of the existing knocking detection method. Specifically, it includes a cubic sensor mounting base, the center of the side wall of the sensor mounting base is used to install the mechanical sensor to be tested, and also includes a hit mechanism and a main hit mechanism; the hit mechanism includes a cylindrical hit table, and three legs tightly arranged along three adjacent sides of the sensor mounting base; the hit table is arranged at a vertex of the sensor mounting base, and its end face is perpendicular to the body diagonal of the sensor mounting base, and the vertex is located on the body diagonal; one end of the three legs is respectively fixedly connected to the hit table, and at least one leg is detachably connected to the sensor mounting base; the main hit mechanism is detachably connected to the hit table, and is used to provide a quantitative impact force to the hit table, and the axis of the main hit mechanism is perpendicular to the end face of the hit table.

Description

Technical Field

[0001] The present invention relates to the detection of a mechanical sensor of an anchor rod base, and in particular to an anchor rod base with a mechanical sensor detection device and a use method thereof. Background Art

[0002] Accurately acquiring the ground impact parameters generated by an explosion can provide data support for the study of ground-based wave propagation. To obtain these impact parameters, mechanical sensors are typically installed on the surface or on specific structures. This is typically done using an anchor base, where the anchor is secured to the bedrock via backfill material to sense the bedrock vibrations under the blast load. Three-dimensional mechanical sensors (such as acceleration, velocity, and displacement sensors) are then installed on top of the anchor base to accurately measure the vibration parameters sensed by the anchor, and thus accurately measure the ground motion information at the corresponding location under the blast load.

[0003] This three-directional mechanical sensor installed on the anchor base is often tested by manual knocking during debugging to confirm whether the sensor and its connecting lines are working normally. This detection method is difficult to control the knocking direction, and it is difficult to ensure that all sensors can receive obvious impact signals with each knock. Therefore, it is difficult to complete the joint detection of mechanical sensors in multiple directions with one knock, which makes the detection efficiency of the mechanical sensor based on the anchor base low and the detection results are not accurate enough. Summary of the Invention

[0004] The purpose of the present invention is to provide an anchor rod base with a built-in mechanical sensor detection device and a method of using the same, so as to solve the technical problem in the prior art that the knocking direction is difficult to control during knocking detection, resulting in low detection efficiency of the mechanical sensor based on the anchor rod base and inaccurate detection results.

[0005] To achieve the above-mentioned object, the present invention provides an anchor base with a built-in mechanical sensor detection device, comprising a cubic sensor mounting base, the center of the side wall of which is used to mount the mechanical sensor to be tested. The anchor base is special in that it also includes a struck mechanism and a main striking mechanism.

[0006] The impacted mechanism includes a cylindrical impact platform and three supporting legs closely arranged along three adjacent sides of the sensor mounting base;

[0007] The impact platform is arranged at a vertex of the sensor mounting base, and its end surface is perpendicular to the body diagonal of the sensor mounting base, and the vertex is located on the body diagonal;

[0008] One end of each of the three legs is fixedly connected to the impact platform, and at least one of the legs is detachably connected to the sensor mounting base;

[0009] The main impact mechanism is detachably connected to the impact platform and is used to provide a quantitative impact force to the impact platform. The axis of the main impact mechanism is perpendicular to the end surface of the impact platform.

[0010] Furthermore, the three supporting legs are respectively two horizontal supporting legs and one vertical supporting leg;

[0011] The three adjacent sides of the sensor mounting base passing through the vertex include two horizontal sides and one vertical side;

[0012] The two horizontal legs are respectively arranged closely along the two horizontal edges and are detachably connected to the sensor mounting base;

[0013] The vertical legs are arranged closely along the vertical edges.

[0014] Furthermore, the horizontal legs and the vertical legs are respectively in close contact with the sensor mounting base through long right-angle grooves provided on the side walls thereof.

[0015] Furthermore, the other end of the horizontal support leg extends beyond the horizontal edge in close contact with it, and the other end of the horizontal support leg is provided with a mounting platform, and the mounting platform is provided with a set screw; the set screw passes through the mounting platform and extends into the right-angle groove and presses against the side of the sensor mounting base to achieve a detachable connection between the horizontal support leg and the sensor mounting base;

[0016] The end surface of the other end of the vertical support leg is flush with the bottom surface of the sensor mounting base.

[0017] Furthermore, the main impact mechanism includes a cylindrical shell, a piston impact rod, a drive coil and a power supply module;

[0018] One end of the shell is threadedly sleeved on the circumferential surface of the impact platform;

[0019] The piston impact rod is coaxially sleeved in the shell and is in clearance fit with the shell; the end of the piston impact rod close to the impact platform is the impact end, the end face of the impact end is parallel to the end face of the impact platform, and an impact space is provided between the impact end and the end face of the impact platform; the piston impact rod has a magnetic

[0020] The driving coil is clamped on the inner wall of the housing and is sleeved outside the piston impact rod; a gap is provided between the driving coil and the piston impact rod;

[0021] The power supply module is electrically connected to the driving coil and is used to provide a pulse current to the driving coil, thereby driving the piston impact rod to impact the impact platform.

[0022] Further, it also includes a return spring;

[0023] The housing includes an end cover and a cylindrical shell;

[0024] One end of the shell is threadedly connected to the impact platform, and the middle of the shell is provided with a first cylindrical cavity, a second cylindrical cavity and a third cylindrical cavity connected in sequence;

[0025] The inner diameters of the first cylindrical cavity, the second cylindrical cavity, and the third cylindrical cavity increase sequentially in a direction away from the impact platform, so that a first step surface is formed between the first cylindrical cavity and the second cylindrical cavity, and a second step surface is formed between the second cylindrical cavity and the third cylindrical cavity;

[0026] The end cover is mounted on an end of the third cylindrical cavity away from the second cylindrical cavity;

[0027] The piston impact rod includes a small impact rod and a large impact rod, both of which are cylindrical; one end of the small impact rod is the impact end, and the other end is coaxially connected to one end of the large impact rod; the other end of the large impact rod corresponds to the end cover; the diameter of the small impact rod is smaller than the diameter of the large impact rod, so that a third step surface is formed between the small impact rod and the large impact rod; one end of the small impact rod is located in the first cylindrical cavity and is clearance-matched with the first cylindrical cavity; the other end of the small impact rod is located in the second cylindrical cavity, and a spring mounting cavity is formed between the outer wall of the small impact rod and the inner wall of the second cylindrical cavity; the outer wall of the large impact rod is clearance-matched with the inner wall of the second cylindrical cavity;

[0028] The driving coil is sleeved between the outer wall of the large impact rod and the inner wall of the third cylindrical cavity, with one end of the driving coil in contact with the end cover and the other end in contact with the second step surface;

[0029] The return spring is located in the spring installation cavity and is sleeved outside the small impact rod, with one end thereof abutting against the first step surface and the other end abutting against the third step surface.

[0030] Furthermore, a circular return buffer pad is embedded on the inner wall of the end cover;

[0031] The other end of the large impact rod corresponds to the return buffer pad.

[0032] Furthermore, the power supply module includes a power supply plug and a power supply body;

[0033] One end of the power plug is embedded in the end cover and the return buffer pad and is electrically connected to the drive coil, and the other end is used to be electrically connected to the power supply body;

[0034] The power supply body is used to provide pulse current to the driving coil through a power supply plug.

[0035] Furthermore, the housing is threadedly connected to the impact platform through the fourth cylindrical cavity;

[0036] The inner diameter of the fourth cylindrical cavity is greater than the inner diameter of the first cylindrical cavity, so that a fourth step surface is formed between the fourth cylindrical cavity and the first cylindrical cavity;

[0037] The fourth step surface contacts the end surface of the collision platform.

[0038] At the same time, the present invention also provides a method for using an anchor base with a built-in mechanical sensor detection device. Based on any of the above-mentioned anchor bases with a built-in mechanical sensor detection device, the method is special in that:

[0039] Step 1: Fix the sensor mounting base to the bedrock with anchor rods;

[0040] Step 2: Install each mechanical sensor to be tested on the top surface and the center of the side of the sensor mounting base;

[0041] Step 3: Start the main impact mechanism and control the current intensity and pulse width to make the main impact mechanism impact the impact platform in the impacted mechanism with a certain impact force;

[0042] Step 4: Collect the data obtained by each mechanical sensor at the moment of impact, and perform qualitative and quantitative evaluation on each mechanical sensor based on the magnitude of the impact force to achieve detection of each mechanical sensor to be tested on the sensor mounting base.

[0043] Beneficial effects of the present invention:

[0044] 1. The present invention provides a sensor mounting base with a struck mechanism and a main striking mechanism; in the struck mechanism, an impact platform perpendicular to the body diagonal of the sensor mounting base is provided, and the main striking mechanism provides a quantitative impact force to impact the impact platform. At the same time, the direction of the impact force is in the same straight line as the body diagonal of the sensor mounting base, so that equal-intensity input of mechanical signals in three directions can be realized through the three legs connected to the impact platform, thereby realizing a one-time detection of multiple mechanical sensors installed on the sensor mounting base, thereby improving the detection efficiency of the mechanical sensors based on the anchor base.

[0045] 2. The present invention is provided with two horizontal legs and one vertical leg, which are respectively arranged closely along three adjacent edges of the sensor mounting base, wherein at least one horizontal leg is detachably connected to the sensor mounting base. This provides a mounting bracket for the impact table, better ensuring that the end face of the impact table is perpendicular to the diagonal of the sensor mounting base body, thereby ensuring that the mechanical sensors on each side of the sensor mounting base can simultaneously receive equal impact force signals. On the other hand, it can also improve the transmission efficiency of the impact force.

[0046] 3. The present invention provides a right-angle groove on the side of each support leg. By closely setting the right-angle groove and the sensor mounting base, it can better prevent the impacted mechanism from shaking at the moment of impact, thereby improving the accuracy of the detection result.

[0047] 4. The present invention realizes a detachable connection between the impacted mechanism and the sensor mounting base by tightening the side wall of the sensor mounting base through a set screw extending into a right-angle groove. This does not require destroying the sensor mounting base (for example, opening a hole, etc.), and further ensures that the overall quality of the sensor mounting base is uniform, so that the impact force on each surface is the same, thereby improving the accuracy of the mechanical sensor detection results.

[0048] 5. The main impact mechanism of the present invention is provided with a shell, a piston impact rod, a driving coil and a power supply module; the electromagnetic principle is adopted, and a pulse current with fixed intensity and pulse width is provided to the driving coil through the power supply module. Under the action of the electromagnetic field, the piston impact rod is driven to impact the impact platform of the impacted mechanism. By controlling the current intensity and pulse width to control the size of the impact force, quantitative evaluation of the mechanical sensor is achieved, and at the same time, damage to the mechanical sensor caused by excessive impact force can be avoided.

[0049] 6. The present invention sets a first cylindrical cavity, a second cylindrical cavity and a third cylindrical cavity in the shell, and sets the piston impact rod to a structure in which a small impact rod and a large impact rod are connected end to end. This not only provides a spring installation cavity for the return spring and a reasonable installation space for the drive coil, but also realizes the clearance fit between the piston impact rod and the shell; when the piston impact rod completes the impact, it can automatically return to the initial position under the action of the rebound force of the return spring, which is convenient for the next detection, thereby improving the detection efficiency.

[0050] 7. The present invention embeds a return buffer pad on the inner wall of the end cover, which can prevent the return spring from damaging or knocking off the end cover due to excessive rebound force.

[0051] 8. The anchor base with its own mechanical sensor detection device of the present invention is compact in design and occupies little space, making it convenient for the anchor base to carry out detection in various complex situations, which is quick and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 This is a structural diagram of an embodiment of an anchor base with a built-in mechanical sensor detection device according to the present invention;

[0053] Figure 2 This is a structural exploded view of an embodiment of an anchor base with a built-in mechanical sensor detection device according to the present invention;

[0054] Figure 3 This is an exploded view of the main impact mechanism in an embodiment of the present invention;

[0055] Figure 4 2 is a cross-sectional view of the main impact mechanism in an embodiment of the present invention.

[0056] Figure Number:

[0057] 1-bedrock, 2-anchor rod, 3-sensor mounting base, 31-threaded hole, 4-mechanical sensor, 41-thread, 42-interface, 5-main impact mechanism, 51-shell, 511-first cylindrical cavity, 512-second cylindrical cavity, 513-third cylindrical cavity, 514-first step surface, 515-second step surface, 516-fourth cylindrical cavity, 517-fourth step surface, 52-return spring, 53-piston impact rod, 531-small impact rod, 532-large impact rod, 533-third step surface, 54-driving coil, 55-return buffer pad, 56-end cover, 57-power plug, 58-impact space, 6-impacted mechanism, 61-vertical support leg, 62-horizontal support leg, 63-impact platform, 7-fastening screw. DETAILED DESCRIPTION

[0058] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0059] The embodiment of the present invention provides an anchor base with a mechanical sensor detection device; Figure 1 and Figure 2 As shown, it includes a cubic sensor mounting base 3, a struck mechanism 6 and a main striking mechanism 5.

[0060] The sensor mounting base 3 has threaded holes 31 at the center of its top and side surfaces for mounting the mechanical sensor 4 to be measured. The mechanical sensor 4 is secured to the top and / or side surfaces of the sensor mounting base 3 via its own threads 41, which engage with the threaded holes 31. The mechanical signal measured by the mechanical sensor 4 is transmitted via its own interface 42 and can be connected to a front-end instrument or data acquisition device. The center of the bottom surface of the mechanical sensor 4 is perpendicularly connected to the upper end of the anchor rod 2. The lower end of the anchor rod 2 is secured to the bedrock 1 via filler material. Diagonal lines are provided on the anchor rod 2 to enhance the bond between the anchor rod 2 and the bedrock 1.

[0061] The impacted mechanism 6 includes a cylindrical impact platform 63 and three legs arranged closely along three adjacent sides of the sensor mounting base 3. It is understood that the three legs are perpendicular to each other. Specifically, the three legs are two horizontal legs 62 and one vertical leg 61. In this embodiment, the horizontal legs 62 and the vertical legs 61 are both square prism structures with right-angled grooves on the sides, so that their cross-sections are equilateral "L" shapes. The impact platform 63 is set at a vertex of the sensor mounting base 3, and its end face is perpendicular to the body diagonal of the sensor mounting base 3. The vertex is located on the line where the body diagonal lies. The three adjacent sides of the sensor mounting base 3 passing through the vertex include two horizontal sides and one vertical side. The two horizontal legs 62 and the one vertical leg 61 are respectively arranged along the two horizontal sides and the vertical side, and are closely attached to the sensor mounting base 3 through the long right-angled grooves set on their respective side walls. At the same time, one end of the two horizontal legs 62 and the one vertical leg 61 are respectively fixedly connected to the impact platform 63. The other ends of the two horizontal legs 62 extend beyond the horizontal edge they are in close contact with, and a mounting platform is provided at the other end of the horizontal leg 62, on which a set screw 7 is provided; the set screw 7 passes through the mounting platform and extends into the right-angle groove to tighten against the side of the sensor mounting base 3 to achieve a detachable connection. When in use, the set screw 7 can be manually tightened; the other end face of a vertical leg 61 is flush with the bottom surface of the sensor mounting base 3. When installing the impacted mechanism 6 onto the sensor mounting base 3, you can first make the bottom part of the vertical support leg 61 close to the corresponding position of the sensor mounting base 3, and then push the entire impacted mechanism 6 from top to bottom until the two horizontal support legs 62 are simultaneously close to the sensor mounting base 3, and then tighten the two set screws 7 so that their ends are pressed against the sensor mounting base 3. At this time, the axis of the cylindrical impact platform 63 and the body diagonal of the sensor mounting base 3 are on the same straight line, so that the end face of the impact platform 63 is perpendicular to the body diagonal of the sensor mounting base 3. Therefore, when the end face of the impact platform 63 is impacted, the impact force is transmitted along the body diagonal of the sensor mounting base 3, and the components along the length direction of the three legs are equal.

[0062] The main impact mechanism 5 includes a cylindrical housing, a return spring 52, a piston impact rod 53, a drive coil 54, and a power supply module. One end of the housing is provided with an internal thread, and the circumferential surface of the impact platform 63 is provided with an external thread. One end of the housing is sleeved around the circumference of the impact platform 63 and is threadedly connected to the impact platform 63, thereby connecting the entire main impact mechanism 5 to the impacted mechanism 6. The piston impact rod 53 is magnetic and coaxially sleeved within the housing, with a clearance fit within the housing. Specifically, the outer shell includes an end cover 56 and a cylindrical shell 51; the shell 51 is provided with a fourth cylindrical cavity 516, a first cylindrical cavity 511, a second cylindrical cavity 512 and a third cylindrical cavity 513 which are connected in sequence; the inner diameters of the first cylindrical cavity 511, the second cylindrical cavity 512 and the third cylindrical cavity 513 increase in sequence in the direction away from the impact platform 63, so that a first step surface 514 is formed between the first cylindrical cavity 511 and the second cylindrical cavity 512, and a second step surface 515 is formed between the second cylindrical cavity 512 and the third cylindrical cavity 513; the shell 51 is threadedly connected to the impact platform 63 through the fourth cylindrical cavity 516; the inner diameter of the fourth cylindrical cavity 516 is larger than the inner diameter of the first cylindrical cavity 511, so that a fourth step surface 517 is formed between the fourth cylindrical cavity 516 and the first cylindrical cavity 511; the fourth step surface contacts the end face edge of the impact platform 63. The end cover 56 is installed on the end of the third cylindrical cavity 513 away from the second cylindrical cavity 512 and is fastened by bolts. Its inner end face is in contact with the drive coil 54 to prevent the drive coil 54 from moving along the axis of the shell; a circular return buffer pad 55 is embedded on the inner wall of the end cover 56, and the return buffer pad 55 is fixed to the end cover 56 by bolts. A wire groove is provided on the edge, which corresponds to the notch on the front end face of the end cover 56 and is used to connect the drive coil 54 to the power plug 57; the piston impact rod 53 includes a small impact rod 531 and a large impact rod 532, both of which are cylindrical; one end of the small impact rod 531 is an impact end, and the end face of the impact end is parallel to the end face of the impact platform 63, and an impact space 58 is provided between the impact end and the end face of the impact platform 63; the other end of the small impact rod 531 is coaxially connected to one end of the large impact rod 532, and the other end of the large impact rod 532 is connected to the return buffer pad 55 embedded in the end cover 56. Correspondingly; the diameter of the small impact rod 531 is smaller than the diameter of the large impact rod 532, so that a third step surface 533 is formed between the small impact rod 531 and the large impact rod 532; one end of the small impact rod 531 is located in the first cylindrical cavity 511, and is gap-matched with the first cylindrical cavity 511; the other end of the small impact rod 531 is located in the second cylindrical cavity 512, and a spring mounting cavity is formed between the outer wall of the small impact rod 531 and the inner wall of the second cylindrical cavity 512; the outer wall of the large impact rod 532 is gap-matched with the inner wall of the second cylindrical cavity 512; the drive coil 54 is sleeved between the outer wall of the large impact rod 532 and the inner wall of the third cylindrical cavity 513, one end of which contacts the end cover 56, and the other end contacts the second step surface 515; the return spring 52 is located in the spring mounting cavity, and is sleeved outside the small impact rod 531, one end of which abuts the first step surface 514, and the other end abuts the third step surface 533.

[0063] This allows the piston striker rod 53 to move freely within the housing. When the piston striker rod 53 moves forward, it compresses the return spring 52, generating a rebound force. When the return spring 52 maintains its free length, the rear end of the piston striker rod 53 contacts the return cushion 55. The piston striker rod 53 is hollow, reducing the weight of the piston.

[0064] The power supply module is electrically connected to the drive coil 54 and is used to provide a pulse current to the drive coil 54, thereby driving the magnetic piston impact rod 53 to impact the impact platform 63. Specifically, the power supply module includes a power plug 57 and a power supply body. One end of the power plug 57 is embedded in the end cover 56 and the return cushion 55, and the other end is used to electrically connect to the power supply body. In other words, the return cushion 55 has a groove on the end away from the piston impact rod 53, and the end cover 56 also has a through hole corresponding to the groove. The groove and through hole together form a cavity, which is used to accommodate the power plug 57 and related connecting cables. The drive coil 54 is electrically connected to the power plug 57. The power supply body is used to provide a pulse current to the drive coil 54 through the power plug 57. The power plug 57 is used to connect the pulse drive current of the drive coil 54, thereby forming a transient electromagnetic field. Due to the interaction of the electromagnetic field, the piston impact rod 53 is driven to move rapidly forward to impact the impact platform 63, transmitting the impact force to the impacted mechanism 6, and realizing synchronous detection of multiple mechanical sensors.

[0065] According to the cubic configuration of the sensor mounting base, the embodiment of the present invention sets a knocking point (surface) on the diagonal line of the cubic structure space. The knocking force can be evenly measured by the three legs at the same time, and the knocking position takes into account the installation surface of the impact platform; with this knocking point (surface) as a reference, an impact structure based on the electromagnetic drive principle is established, and the impact force is adjusted by controlling the current intensity and pulse width of the driving coil input by the power amplifier of the power supply module. The knocking force is quantified and accurately controlled, and each mechanical sensor is evenly sensed, so that the detection can be completed with one impact.

[0066] The above-mentioned method for detecting the anchor base with a built-in mechanical sensor detection device comprises the following steps:

[0067] Step 1: Fix the sensor mounting base 3 on the bedrock 1 through the anchor rod 2;

[0068] Step 2: Install the mechanical sensors 4 to be tested on the top surface and the center of the side surface of the sensor mounting base 3 respectively; the mechanical sensors to be tested in the embodiment of the present invention include three-axis mechanical sensors;

[0069] Step 3: Start the main impact mechanism 5 and control the current intensity and pulse width so that the main impact mechanism 5 impacts the impact platform 63 in the impacted mechanism 6 with a certain impact force;

[0070] Step 4: Collect data obtained by each mechanical sensor 4 at the moment of impact, and perform qualitative and quantitative evaluation on each mechanical sensor 4 based on the magnitude of the impact force to achieve detection of each mechanical sensor 4 to be tested on the sensor mounting base 3.

[0071] Through the description of the above implementation methods, technical personnel in the relevant field can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0072] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed by the present invention shall be covered by the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. An anchor base with a built-in mechanical sensor detection device, comprising a cubic sensor mounting base (3), wherein the center of the side wall of the sensor mounting base (3) is used to mount a mechanical sensor (4) to be tested, and characterized in that: It also includes a struck mechanism (6) and a main striking mechanism (5); The impacted mechanism (6) includes a cylindrical impact platform (63) and three supporting legs tightly arranged along three adjacent sides of the sensor mounting base (3); The impact platform (63) is arranged at a vertex of the sensor mounting base (3), and its end surface is perpendicular to the body diagonal of the sensor mounting base (3), and the vertex is located on the body diagonal; One end of each of the three legs is fixedly connected to the impact platform (63), and at least one of the legs is detachably connected to the sensor mounting base (3); The main impact mechanism (5) is detachably connected to the impact platform (63) and is used to provide a quantitative impact force to the impact platform (63). The axis of the main impact mechanism (5) is perpendicular to the end surface of the impact platform (63). The three supporting legs are respectively two horizontal supporting legs (62) and one vertical supporting leg (61); The three adjacent sides of the sensor mounting base (3) passing through the vertex include two horizontal sides and one vertical side; The two horizontal legs (62) are respectively arranged closely along the two horizontal edges and are detachably connected to the sensor mounting base (3); The vertical support legs (61) are arranged closely along the vertical edge; The other end of the horizontal support leg (62) extends beyond the horizontal edge in close contact with it, and the other end of the horizontal support leg (62) is provided with a mounting platform, and a set screw (7) is provided on the mounting platform; the set screw (7) passes through the mounting platform and extends into the right-angle groove to tighten against the side of the sensor mounting base (3), thereby realizing a detachable connection between the horizontal support leg (62) and the sensor mounting base (3); The other end surface of the vertical support leg (61) is flush with the bottom surface of the sensor mounting base (3).

2. The anchor base with a built-in mechanical sensor detection device according to claim 1, characterized in that: The horizontal support leg (62) and the vertical support leg (61) are respectively in close contact with the sensor mounting base (3) through long right-angle grooves provided on their side walls.

3. The anchor base with a built-in mechanical sensor detection device according to claim 1 or 2, characterized in that: The main impact mechanism (5) comprises a cylindrical shell, a piston impact rod (53), a drive coil (54) and a power supply module; One end of the shell is threadedly sleeved on the outside of the circumferential surface of the impact platform (63); The piston impact rod (53) is coaxially sleeved in the housing and is loosely fitted with the housing; the end of the piston impact rod (53) close to the impact platform (63) is the impact end, the end surface of the impact end is parallel to the end surface of the impact platform (63), and an impact space (58) is provided between the impact end and the end surface of the impact platform (63); the piston impact rod (53) is magnetic; The driving coil (54) is clamped on the inner wall of the shell and is sleeved outside the piston impact rod (53); a gap is provided between the driving coil (54) and the piston impact rod (53); The power supply module is electrically connected to the driving coil (54) and is used to provide a pulse current to the driving coil (54), thereby driving the piston impact rod (53) to impact the impact platform (63).

4. The anchor base with a built-in mechanical sensor detection device according to claim 3, characterized in that: Also included is a return spring (52); The housing includes an end cover (56) and a cylindrical shell (51); One end of the shell (51) is threadedly connected to the impact platform (63), and a first cylindrical cavity (511), a second cylindrical cavity (512), and a third cylindrical cavity (513) connected in sequence are provided in the middle of the shell (51); The inner diameters of the first cylindrical cavity (511), the second cylindrical cavity (512), and the third cylindrical cavity (513) increase sequentially in a direction away from the impact platform (63), so that a first step surface (514) is formed between the first cylindrical cavity (511) and the second cylindrical cavity (512), and a second step surface (515) is formed between the second cylindrical cavity (512) and the third cylindrical cavity (513); The end cover (56) is mounted on an end of the third cylindrical cavity (513) away from the second cylindrical cavity (512); The piston impact rod (53) comprises a small impact rod (531) and a large impact rod (532) both of which are cylindrical; one end of the small impact rod (531) is an impact end, and the other end is coaxially connected to one end of the large impact rod (532); the other end of the large impact rod (532) corresponds to the end cover (56); the diameter of the small impact rod (531) is smaller than the diameter of the large impact rod (532), so that the small impact rod (531) and the large impact rod (532) are spaced apart. A third step surface (533) is formed; one end of the small impact rod (531) is located in the first cylindrical cavity (511) and is clearance-matched with the first cylindrical cavity (511); the other end of the small impact rod (531) is located in the second cylindrical cavity (512), and a spring installation cavity is formed between the outer wall of the small impact rod (531) and the inner wall of the second cylindrical cavity (512); the outer wall of the large impact rod (532) is clearance-matched with the inner wall of the second cylindrical cavity (512); The driving coil (54) is sleeved between the outer wall of the large impact rod (532) and the inner wall of the third cylindrical cavity (513), with one end of the driving coil in contact with the end cover (56) and the other end in contact with the second step surface (515); The return spring (52) is located in the spring installation cavity and is sleeved outside the small impact rod (531), with one end thereof abutting against the first step surface (514) and the other end abutting against the third step surface (533).

5. The anchor base with a built-in mechanical sensor detection device according to claim 4, characterized in that: A circular return buffer pad (55) is embedded on the inner wall of the end cover (56); The other end of the large impact rod (532) corresponds to the return buffer pad (55).

6. The anchor base with a built-in mechanical sensor detection device according to claim 5, characterized in that: The power supply module includes a power supply plug (57) and a power supply body; One end of the power supply plug (57) is embedded in the end cover (56) and the return buffer pad (55) and is electrically connected to the drive coil (54), and the other end is used to be electrically connected to the power supply body; The power supply body is used to provide pulse current to the driving coil (54) through a power supply plug (57).

7. The anchor base with a built-in mechanical sensor detection device according to claim 6, characterized in that: The housing (51) is threadedly connected to the impact platform (63) via a fourth cylindrical cavity (516); The inner diameter of the fourth cylindrical cavity (516) is greater than the inner diameter of the first cylindrical cavity (511), so that a fourth step surface (517) is formed between the fourth cylindrical cavity (516) and the first cylindrical cavity (511); The fourth step surface contacts the end surface of the impact platform (63).

8. A method for using an anchor base with a built-in mechanical sensor detection device, based on the anchor base with a built-in mechanical sensor detection device according to any one of claims 1 to 7, characterized in that: Step 1: Fix the sensor mounting base (3) on the bedrock (1) through the anchor rod (2); Step 2: Install each mechanical sensor (4) to be measured on the top surface and the center of the side surface of the sensor mounting base (3); Step 3: Start the main impact mechanism (5), and control the current intensity and pulse width so that the main impact mechanism (5) impacts the impact platform (63) in the impacted mechanism (6) with a fixed impact force; Step 4: Collect data obtained by each mechanical sensor (4) at the moment of impact, and conduct qualitative and quantitative evaluation of each mechanical sensor (4) in combination with the magnitude of the impact force, so as to realize the detection of each mechanical sensor (4) to be tested on the sensor mounting base (3).

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