Auxiliary equipment for on-site detection of seismometer and on-site detection method of seismometer

Abstract

The present invention relates to the technical field of field detection of seismometers, and provides an auxiliary device for field detection of seismometers and a field detection method of seismometers, comprising a base, a first turntable and a second turntable, wherein the first turntable is mounted on the base, and the first turntable can rotate relative to the base along a first axis; the second turntable is mounted on the first turntable, and the second turntable can rotate relative to the first turntable along a second axis; a fixing position for fixing the seismometer is provided on the second turntable. The auxiliary device for field detection of seismometers and the field detection method of seismometers of the present invention fix the seismometer at a fixed position, and realize the positioning of the seismometer at any angle in three-dimensional space by rotating the first turntable and the second turntable; and the detection data of the seismometer at different angles can be conveniently measured by changing the angle of the seismometer.

Description

Technical Field

[0001] The present invention relates to the technical field of on-site detection of seismometers, and in particular to an auxiliary device for on-site detection of seismometers and an on-site detection method of seismometers. Background Art

[0002] A seismograph is an instrument used to monitor earthquake activity. It has important application value in fields such as seismological research and earthquake early warning. A seismograph generally consists of two parts: a seismometer (also known as a sensor) and a collector. A seismometer is also called a seismic pickup or pendulum. It is a device that converts ground motion into electrical signals and is the main component of a seismograph that can record a certain physical constant of an earthquake.

[0003] The performance of a seismograph directly affects the accurate measurement and analysis of seismic wave signals. Therefore, seismographs need to be regularly inspected on site to ensure the accuracy and stability of their performance indicators such as sensitivity, linearity and frequency response.

[0004] In laboratory testing of seismic sensors, low-frequency vibration tables are usually used. They are expensive, large, and weigh tens of tons. They are absolute calibration methods in the calibration of acceleration sensors. For high-speed railway earthquake early warning systems, testers are required to carry test equipment to the installation station of the seismometer for on-site testing. Due to the limitations of on-site conditions, portable manual rotating calibration tables are mainly used, which belong to the gravity field method. The manual operation process is heavily dependent on the testers, and the test is time-consuming and inefficient. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the related art. To this end, the present invention provides an auxiliary device for on-site detection of a seismometer and an on-site detection method of a seismometer, which is conducive to the on-site detection of the seismometer.

[0006] The present invention provides an auxiliary device for on-site detection of a seismometer, comprising:

[0007] Pedestal;

[0008] A first turntable is mounted on the base, and the first turntable can rotate relative to the base along a first axis;

[0009] The second turntable is installed on the first turntable, and the second turntable can rotate along a second axis relative to the first turntable; the second turntable is provided with a fixing position for fixing the seismometer.

[0010] According to the present invention, an auxiliary device for field detection of a seismometer is provided, the auxiliary device includes a first motor for driving the first turntable to rotate, a second motor for driving the second turntable to rotate, a first encoder coaxially arranged with the first turntable, and a second encoder coaxially arranged with the second turntable; the first encoder is used to measure the rotation angle of the first turntable and is electrically connected to the first motor, and the second encoder is used to measure the rotation angle of the second turntable and is electrically connected to the second motor.

[0011] An auxiliary device for field detection of a seismometer provided by the present invention further comprises a first connecting shaft, a first driving wheel and a first driven wheel meshing with each other, wherein the first connecting shaft connects the first turntable and the first encoder; the first driving wheel is connected to the output shaft of the first motor, and the first driven wheel is connected to the first connecting shaft;

[0012] and / or,

[0013] It also includes a second connecting shaft, a second driving wheel and a second driven wheel that mesh with each other, the second connecting shaft connects the second turntable and the second encoder; the second driving wheel is connected to the output shaft of the second motor, and the second driven wheel is connected to the second connecting shaft.

[0014] According to the present invention, an auxiliary device for field detection of a seismometer also includes a corner box, which includes a transversely arranged input rod and a vertically arranged output rod; the output shaft of the first motor is connected to the input rod, and the output rod is connected to the first driving wheel.

[0015] According to an auxiliary device for on-site detection of a seismometer provided by the present invention, a receiving cavity is formed inside the base, and the corner box and the first encoder are arranged in the receiving cavity.

[0016] According to an auxiliary equipment for field detection of a seismometer provided by the present invention, the first turntable includes a base and two supporting parts connected to the base, and the second turntable is rotatably connected between the two supporting parts; a wire threading groove is provided on the supporting part, a wire passing channel is formed inside the base, and the wire threading groove is connected to the wire passing channel.

[0017] According to an auxiliary device for field detection of a seismometer provided by the present invention, the base includes a main board and a cover plate; a groove is arranged on the main board, the cover plate is arranged on the main board, and the line passage is formed between the groove of the main board and the cover plate.

[0018] According to an auxiliary device for field detection of a seismometer provided by the present invention, a first trigger part is arranged on the first turntable, a first trigger switch is arranged on the side of the base facing the first turntable, and the first trigger switch is arranged on the movement path of the first trigger part;

[0019] and / or,

[0020] The second turntable is provided with a second trigger portion, the first turntable is correspondingly provided with a second trigger switch on a side facing the second turntable, and the second trigger switch is arranged on a movement path of the second trigger portion.

[0021] According to an auxiliary device for field detection of a seismometer provided by the present invention, the auxiliary device also includes a bottom plate, the base is arranged on the bottom plate, and pull rings are arranged on two opposite sides of the bottom plate.

[0022] The present invention also provides a method for on-site detection of a seismometer, which is applied to the auxiliary equipment for on-site detection of a seismometer, and comprises:

[0023] fixing the seismometer at the fixing position;

[0024] The first rotating table and the second rotating table rotate to adjust the angle of the seismometer;

[0025] The voltage value of the seismometer is acquired through the collector, and the sensitivity and linearity of the seismometer are determined by the voltage value.

[0026] An auxiliary device for on-site detection of a seismometer provided according to the present invention also includes:

[0027] The above one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:

[0028] The seismometer is fixed in a fixed position, and the seismometer can be positioned at any angle in three-dimensional space by rotating the first turntable and the second turntable; by changing the angle of the seismometer, it is convenient to measure the on-site detection data of the seismometer at different angles.

[0029] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of an auxiliary device for field detection of a seismometer provided by an embodiment of the present invention;

[0032] Figure 2 is another exploded view of an auxiliary device for on-site detection of a seismometer provided by an embodiment of the present invention;

[0033] Figure 3 It is a schematic diagram of the three-dimensional structure of a first turntable of an auxiliary device for on-site detection of a seismometer provided in an embodiment of the present invention.

[0034] Reference numerals:

[0035] 100, base; 110, first trigger switch; 120, second trigger switch;

[0036] 200, first turntable; 210, base; 211, main board; 212, cover plate; 220, support part; 221, threading groove; 222, support plate; 223, wire pressing plate; 230, first trigger part;

[0037] 300, second turntable; 310, fixed position; 320, fixed plate; 330, ear plate; 340, second triggering part;

[0038] 410, first motor; 420, second motor; 430, first encoder; 440, second encoder;

[0039] 510, first connecting shaft; 520, supporting platform; 530, corner box;

[0040] 610, second connecting shaft; 620, rotating seat; 630, supporting shell;

[0041] 700, bottom plate; 710, pull ring;

[0042] 800. Seismometer. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations on the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0045] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0046] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0048] See also Figures 1 to 2In a first aspect, an embodiment of the present invention provides an auxiliary device for field detection of a seismometer, comprising a base 100, a first turntable 200 and a second turntable 300. The first turntable 200 is mounted on the base 100, and the first turntable 200 can rotate along a first axis relative to the base 100; the second turntable 300 is mounted on the first turntable 200, and the second turntable 300 can rotate along a second axis relative to the first turntable 200; a fixing position 310 for fixing a seismometer 800 is provided on the second turntable 300.

[0049] The seismometer 800 is fixed on the fixed position 310, and the seismometer 800 is positioned at any angle in three-dimensional space by rotating the first turntable 200 and the second turntable 300; by changing the angle of the seismometer 800, the detection data of the seismometer 800 at different angles can be conveniently measured.

[0050] The embodiment of the present invention is applied to the on-site detection of seismometers in the earthquake early warning system of high-speed railways. In the prior art, detection personnel are required to carry detection equipment to the installation station of the seismometer for on-site detection. The operation process of manually rotating the seismometer is heavily dependent on the detection personnel, and the detection is time-consuming and inefficient. In contrast, the auxiliary equipment for on-site detection of the seismometer 800 in the embodiment of the present invention changes the different angles of the seismometer 800 through the rotation of the first turntable 200 and the second turntable 300, so as to detect the on-site detection data of the seismometer 800 at different angles on-site; wherein, the on-site detection data includes the sensitivity and linearity of the seismometer 800; during operation, the seismometer 800 is automatically adjusted to different angles through the auxiliary equipment for on-site detection of the seismometer in the embodiment of the present invention, and the voltage value of the seismometer 800 is collected through the collector, so as to detect the sensitivity and linearity of the seismometer 800 at different angles.

[0051] Generally, the first axis may be a vertical axis, and the second axis may be a horizontal axis, so as to adjust the seismometer 800 to any angle; the first axis may also be a horizontal axis, and the second axis may also be a vertical axis; the embodiment of the present invention does not impose any particular limitation on this.

[0052] See also Figures 1 to 2 In one embodiment, the auxiliary device includes a first motor 410 for driving the first turntable 200 to rotate, a second motor 420 for driving the second turntable 300 to rotate, a first encoder 430 coaxially arranged with the first turntable 200, and a second encoder 440 coaxially arranged with the second turntable 300; the first encoder 430 is used to measure the rotation angle of the first turntable 200 and is electrically connected to the first motor 410, and the second encoder 440 is used to measure the rotation angle of the second turntable 300 and is electrically connected to the second motor 420.

[0053] The first motor 410 and the second motor 420 are used to control the rotation of the first turntable 200 and the second turntable 300 respectively, without manual pushing, saving labor costs and improving the detection rate; the first encoder 430 is used to detect the rotation angle of the first turntable 200. If the first encoder detects that the first turntable 200 is not adjusted to the required correct angle, the first motor 410 continues to drive the first turntable 200 to rotate until the first turntable 200 rotates to the correct angle; for example, the first turntable 200 needs to be rotated 15°. After the first motor 410 drives the first turntable 200 to rotate, the first encoder 430 detects that due to the error of the motor, the first turntable 200 actually rotates 12°. The first motor 410 controls the first turntable 200 to continue to rotate 3°, so that the first turntable 200 rotates to the correct angle to improve accuracy. Similarly, the second encoder 440 and the second motor 420 are used to control the rotation of the second turntable 300 to improve accuracy. The first encoder 430 and the second encoder 440 are devices used in the prior art for measuring angles, positions, and speeds, and will not be described in detail in the embodiment of the present invention.

[0054] The auxiliary equipment for field detection of a seismometer according to an embodiment of the present invention further includes a first connecting shaft 510, a first driving wheel and a first driven wheel that mesh with each other, wherein the first connecting shaft 510 connects the first turntable 200 and the first encoder 430; the first driving wheel is connected to the output shaft of the first motor 410, and the first driven wheel is connected to the first connecting shaft 510.

[0055] A first encoder 430 is provided, and the first encoder 430 is connected to the first turntable 200 through a first connecting shaft 510, so that the first encoder 430 monitors the actual rotation angle of the first turntable 200; the first driving wheel and the first driven wheel are engaged, thereby driving the rotation of the first turntable 200; through the cooperation of the first driving wheel and the first driven wheel, the torque can be amplified or reduced, and the rotation speed can also be adjusted to better meet the requirements of the first turntable 200 for different rotation speeds; if the torque is too large, the torque output by the first motor 410 may exceed the carrying capacity of the first turntable 200, causing the first turntable 200 to deform or break; when the first motor 410 is started, an instantaneous excessive current may occur, causing damage to the first motor 410 or the first turntable 200. At the same time, through the transmission of the first driving wheel and the first driven wheel, a self-locking function can be achieved to prevent the first motor 410 from rotating at an arbitrary angle when the first motor 410 stops rotating, thereby affecting the accuracy of detection; the first driven wheel is sleeved on the outside of the first connecting shaft 510, and the first driven wheel can be integrally formed with the first connecting shaft 510, or can be fixedly connected to the first connecting shaft 510.

[0056] A support platform 520 is arranged on the base 100, and an installation space is arranged inside the support platform 520. The first driving wheel and the first driven wheel are arranged in the installation space. The support platform 520 can protect the first driving wheel and the first driven wheel, and at the same time, the support platform 520 plays a load-bearing role.

[0057] An embodiment of the present invention also includes a support base, which includes an upper plate and two vertical plates. The upper plate and the two vertical plates are arranged to form a accommodating space. The first encoder 430 is arranged in the accommodating space. The support base is used to support and fix the first encoder 430; a through hole is provided on the upper plate for the output shaft of the first encoder 430 to pass through.

[0058] See also Figures 1 to 2 The auxiliary equipment for field detection of seismometers according to the embodiment of the present invention further includes a corner box 530, which includes a horizontally arranged input rod and a vertically arranged output rod; the output shaft of the first motor 410 is connected to the input rod, and the output rod is connected to the first driving wheel. The corner box 530 is a corner gearbox in the prior art, which is a mechanical device for changing the direction and speed of rotational motion. The corner box 530 is provided so that the first motor 410 can be horizontally arranged on the base 100, so that the overall size is more compact.

[0059] In one embodiment, a receiving cavity is formed inside the base 100, and the corner box 530 and the first encoder 430 are disposed in the receiving cavity. The base 100 protects the corner box 530 and the first encoder 430 to prevent the corner box 530 and the first encoder 430 from being exposed. A support seat is disposed at the bottom of the receiving cavity to fix the first encoder 430.

[0060] The auxiliary equipment for field detection of a seismometer according to an embodiment of the present invention also includes a second connecting shaft 610, a second driving wheel and a second driven wheel that are meshed with each other, the second connecting shaft 610 is connected to the second turntable 300 and the second encoder 440; the second driving wheel is connected to the output shaft of the second motor 420, and the second driven wheel is connected to the second connecting shaft 610.

[0061] A second encoder 440 is provided, and the second encoder 440 is connected to the second turntable 300 via a second connecting shaft 610, so that the second encoder 440 monitors the actual rotation angle of the second turntable 300; the second driving wheel and the second driven wheel are engaged, thereby driving the rotation of the second turntable 300; through the cooperation of the second driving wheel and the second driven wheel, the torque can be amplified or reduced, and the rotation speed can be adjusted to better meet the requirements of the second turntable 300 for different rotation speeds; if the torque is too large, the torque output by the second motor 420 may exceed the carrying capacity of the second turntable 300, causing the second turntable 300 to deform or break; when the second motor 420 is started, an instantaneous excessive current may occur, causing damage to the second motor 420 or the second turntable 300. At the same time, through the transmission of the second driving wheel and the second driven wheel, a self-locking function can be achieved to prevent the second motor 420 from rotating at an arbitrary angle when the second motor 420 stops rotating, thereby affecting the accuracy of detection; the second driven wheel is sleeved on the outside of the second connecting shaft 610, and the second driven wheel can be integrally formed with the second connecting shaft 610, or it can be fixedly connected to the second connecting shaft 610.

[0062] The embodiment of the present invention further comprises a rotating seat 620, a fixed space is formed inside the rotating seat 620, and the second driving wheel and the second driven wheel are arranged inside the fixed space; the rotating seat 620 can protect the second driving wheel and the second driven wheel and prevent the second driving wheel and the second driven wheel from being exposed.

[0063] In one embodiment, the second turntable 300 includes a fixed plate 320 and two ear plates 330 at both ends of the fixed plate 320, and the ear plates 330 are rotatably connected to the support portion 220 through the second connecting shaft 610; a recessed fixing position 310 is formed between the two ear plates 330 and the fixed plate 320 to fix the seismometer 800. At this time, the seismometer 800 is located on the extension line of the axis of the second connecting shaft 610, reducing the movement path of the seismometer 800 when it rotates; a fixing hole is provided on the fixed plate 320, and the embodiment of the present invention may include a fixing screw, and the seismometer 800 is fixed to the fixed plate 320 by the fixing screw to prevent the seismometer 800 from being separated from the fixing position 310 during rotation; of course, in other embodiments, the seismometer 800 can also be fixed to the fixing position 310 by other connection methods such as snap-on, and the embodiment of the present invention does not impose any special restrictions on this.

[0064] In one embodiment, the first turntable 200 includes a base 210 and two support parts 220 connected to the base 210, and the second turntable 300 is rotatably connected between the two support parts 220; a wire threading groove 221 is provided on the support part 220, and a wire passing channel is formed inside the base 210, and the wire threading groove 221 is connected to the wire passing channel.

[0065] It can be understood that the second motor 420 controls the rotation of the second turntable 300, and the wires connected to the second motor 420 can be inserted into the wire groove 221 and the wire passage to guide the wires and prevent the wires from being entangled outside. Since the first turntable 200 and the second turntable 300 of the embodiment of the present invention rotate along the axis of two directions respectively, if the wires of the motor are exposed to the outside, it is easy to cause the wires to be entangled, affecting the normal operation of the auxiliary equipment. The first turntable 200 can be provided with a wire hole on the side facing the base 100, and the wire hole is connected to the accommodating cavity of the base 100, so that the wires can enter the accommodating cavity through the wire groove 221, the wire passage and the wire hole, so as to store the wires. A wiring port can be provided on the side wall of the base 100, and the wires are located in the accommodating cavity. The external power supply is connected through the wiring port, which is simple to connect and avoids the entanglement of the wires.

[0066] See also Figure 3 In one embodiment, the base 210 includes a main board 211 and a cover plate 212; a groove is provided on the main board 211, and the cover plate 212 is provided on the main board 211, and a wire passage is formed between the groove of the main board 211 and the cover plate 212, so as to facilitate the processing of the wire passage; the base 210 includes the main board 211 and the cover plate 212, and the strength of the base 210 is enhanced by the overlapping arrangement of the two plates; a groove can also be provided on the cover plate 212, and the groove of the main board 211 is connected with the groove of the cover plate 212 to form a wire passage, so as to increase the cross-sectional area of ​​the wire passage, so as to facilitate the wire to pass through. An end cap is provided on the first connecting shaft 510, and the end cap is provided on the wire threading hole to complete the connection between the first connecting shaft 510 and the first turntable 200; a perforation can be provided on the end cap to allow the wire to pass through. The cover plate 212 may include a straight plate and two curved plates. The straight plate is arranged on the main board 211. The two curved plates include a first plate and a second plate that are perpendicular to each other. The first plate and the second plate are integrally formed. The first plate is connected to the end of the straight plate, and the second plate is close to the support part 220 to strengthen the strength of the entire first turntable 200 and improve the bearing capacity of the first turntable 200.

[0067] See also Figure 3 The support portion 220 includes a support plate 222 and a wire pressing plate 223, a groove is formed on the wire pressing plate 223, and a wire threading groove 221 is formed between the groove of the wire pressing plate 223 and the support plate 222 to allow the power line to pass through; the second motor 420 is arranged on the support plate 222, and generally the second motor 420 controls the rotation of the second turntable 300, and at the same time, it is convenient for the wires connected to the second motor 420 to pass through the wire threading groove 221.

[0068] The embodiment of the present invention further includes a supporting shell 630 , and the second encoder 440 is disposed inside the supporting shell 630 . The supporting shell 630 supports and protects the second encoder 440 .

[0069] In one embodiment, a first triggering part 230 is provided on the first turntable 200, and a first triggering switch 110 is correspondingly provided on the side of the base 100 facing the first turntable 200, and the first triggering switch 110 is provided on the movement path of the first triggering part 230. The first triggering part 230 is a triggering piece, and when the first turntable 200 rotates to a set angle, the first triggering part 230 triggers the first triggering switch 110; through the first triggering part 230 and the first triggering switch 110, the rotation position of the first turntable 200 can be detected. For example, with the starting angle of the first turntable 200 being 0° and the set angle being 180°, when the first turntable 200 rotates 180° relative to the starting position, the first triggering part 230 triggers the first triggering switch 110, and at this time, it rotates in the opposite direction to prevent the first turntable 200 from rotating several circles along the circumferential direction of the base 100, resulting in the entanglement of the internal wires. Two first triggering switches 110 can be provided, and the two first triggering switches 110 are arranged opposite to each other to further monitor the rotation position of the first turntable 200. The embodiment of the present invention does not particularly limit the number of the first trigger switches 110. The first trigger switch 110 can be arranged on the movement path of the first trigger portion 230. When the first turntable 200 rotates to a set angle, the first trigger portion 230 triggers the first trigger switch 110.

[0070] In one embodiment, a second triggering part 340 is provided on the second turntable 300, and a second triggering switch 120 is correspondingly provided on the side of the first turntable 200 facing the second turntable 300, and the second triggering switch 120 is provided on the moving path of the second triggering part 340. The second triggering part 340 is a triggering piece, and when the second turntable 300 rotates to a set angle, the second triggering part 340 triggers the second triggering switch 120; through the second triggering part 340 and the second triggering switch 120, the rotation position of the second turntable 300 can be detected. For example, with the starting angle of the second turntable 300 being 0° and the set angle being 180°, when the second turntable 300 rotates 180° relative to the starting position, the second triggering part 340 triggers the second triggering switch 120, and at this time, it rotates in the opposite direction to prevent the second turntable 300 from rotating several circles along the circumferential direction of the base 100, resulting in the entanglement of the internal wires. Two second triggering switches 120 can be provided, and the two second triggering switches 120 are arranged opposite to each other to further monitor the rotation position of the second turntable 300. The embodiment of the present invention does not particularly limit the number of the second trigger switches 120. The second trigger switch 120 can be arranged on the movement path of the second trigger portion 340. When the second turntable 300 rotates to a set angle, the second trigger portion 340 triggers the second trigger switch 120.

[0071] In one embodiment, the auxiliary device further includes a bottom plate 700, the base 100 is disposed on the bottom plate 700, and pull rings 710 are disposed on opposite sides of the bottom plate 700. The bottom plate 700 is used to support the base 100, and the area of ​​the bottom plate 700 is larger than the bottom area of ​​the base 100; the pull ring 710 is convenient for hand carrying and convenient for carrying the auxiliary device from both sides. A plurality of pull rings 710 can be disposed on both sides of the bottom plate 700 for easy pulling.

[0072] The second aspect of the present invention also provides a method for on-site detection of a seismometer, which is applied to an auxiliary device for on-site detection of a seismometer, including:

[0073] Step 10: Fix the seismometer 800 at the fixed position 310;

[0074] Step 20: The first rotating table 200 and the second rotating table 300 rotate to adjust the angle of the seismometer 800;

[0075] Step 30: Obtain the voltage value of the seismometer 800 through the collector, and determine the sensitivity and linearity of the seismometer 800 through the voltage value.

[0076] The embodiment of the present invention fixes the seismometer 800 in a fixed position 310 to prevent the seismometer 800 from falling off during the detection process, adjusts the angle of the seismometer 800 by rotating the first turntable 200 and the second turntable 300, and then obtains the voltage value of the seismometer 800 through the collector, thereby determining the sensitivity and linearity of the seismometer 800, thereby achieving the purpose of on-site detection.

[0077] After executing step 300, step 200 may be repeated to adjust the seismometer 800 to different angles and continue to execute step 300 to achieve the purpose of multiple measurements and increase the reliability of the measurement results.

[0078] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An auxiliary device for field detection of seismometers, characterized in that: include: Base (100); A first turntable (200) is mounted on the base (100), and the first turntable (200) can rotate relative to the base (100) along a first axis; A second rotating table (300) is mounted on the first rotating table (200), and the second rotating table (300) can rotate along a second axis relative to the first rotating table (200); a fixing position (310) for fixing the seismometer (800) is provided on the second rotating table (300); The auxiliary device comprises a first motor (410) for driving the first turntable (200) to rotate, a second motor (420) for driving the second turntable (300) to rotate, a first encoder (430) coaxially arranged with the first turntable (200), and a second encoder (440) coaxially arranged with the second turntable (300); the first encoder (430) is used to measure the rotation angle of the first turntable (200) and is electrically connected to the first motor (410); the second encoder (440) is used to measure the rotation angle of the second turntable (300) and is electrically connected to the second motor (420); The auxiliary device further comprises a first connecting shaft (510), a first driving wheel and a first driven wheel meshing with each other, wherein the first connecting shaft (510) connects the first turntable (200) and the first encoder (430); the first driving wheel is connected to the output shaft of the first motor (410), and the first driven wheel is connected to the first connecting shaft (510); and / or, It also includes a second connecting shaft (610), a second driving wheel and a second driven wheel meshing with each other, the second connecting shaft (610) connecting the second turntable (300) and the second encoder (440); the second driving wheel is connected to the output shaft of the second motor (420), and the second driven wheel is connected to the second connecting shaft (610); A first trigger portion (230) is provided on the first turntable (200), and a first trigger switch (110) is correspondingly provided on a side of the base (100) facing the first turntable (200), wherein the first trigger switch (110) is arranged on a movement path of the first trigger portion (230); and / or, A second trigger portion (340) is arranged on the second turntable (300), and a second trigger switch (120) is correspondingly arranged on the side of the first turntable (200) facing the second turntable (300), and the second trigger switch (120) is arranged on the movement path of the second trigger portion (340).

2. The auxiliary equipment for on-site detection of seismometer according to claim 1, characterized in that: It also includes a corner box (530), which includes a transversely arranged input rod and a vertically arranged output rod; the output shaft of the first motor (410) is connected to the input rod, and the output rod is connected to the first driving wheel.

3. The auxiliary equipment for on-site detection of seismometer according to claim 2, characterized in that: A receiving cavity is formed inside the base (100), and the corner box (530) and the first encoder (430) are arranged in the receiving cavity.

4. The auxiliary equipment for on-site detection of seismometer according to claim 1, characterized in that: The first turntable (200) comprises a base (210) and two supporting parts (220) connected to the base (210); the second turntable (300) is rotatably connected between the two supporting parts (220); a wire threading groove (221) is provided on the supporting part (220); a wire passing channel is formed inside the base (210), and the wire threading groove (221) is connected to the wire passing channel.

5. The auxiliary equipment for on-site detection of seismometers according to claim 4, characterized in that: The base (210) comprises a main board (211) and a cover board (212); a groove is arranged on the main board (211), the cover board (212) is arranged on the main board (211), and the wire passage is formed between the groove of the main board (211) and the cover board (212).

6. The auxiliary equipment for on-site detection of seismometer according to claim 1, characterized in that: The auxiliary device further comprises a bottom plate (700), the base (100) is arranged on the bottom plate (700), and pull rings (710) are arranged on two opposite sides of the bottom plate (700).

7. A method for on-site detection of a seismometer, applied to the auxiliary equipment for on-site detection of a seismometer according to any one of claims 1 to 6, characterized in that: include: Fixing the seismometer (800) at the fixing position (310); The first rotating table (200) and the second rotating table (300) rotate to adjust the angle of the seismometer (800); The voltage value of the seismometer (800) is acquired through a collector, and the sensitivity and linearity of the seismometer (800) are determined based on the voltage value.

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