High-sensitivity geophone

Abstract

The high-sensitivity geophone comprises two geophone main bodies and two spherical sleeves, the repelling sides of the two spherical sleeves are fixedly connected with L-shaped support plates, universal balls are movably sleeved in the spherical sleeves, the tops of the universal balls are provided with insertion through holes, and the insertion through holes are communicated with the L-shaped support plates. And two anti-abrasion balls are movably nested on the inner walls of the four sides of the insertion through hole. According to the utility model, a series of structures are arranged, so that the universal balls can be quickly adjusted to be vertical in a counterweight self-adaptive rotation mode, vertical anti-inclination positioning of the geophone main body can be conveniently and quickly realized, the operation is simple and convenient, the adjustment convenience and efficiency are improved, the two universal balls can be quickly and synchronously unlocked, and the service life of the geophone main body can be prolonged. And the two universal balls can be conveniently, rapidly and synchronously extruded and locked after adjustment, the extrusion pressure is displayed, personnel can conveniently control the locking force so as to accurately control the pressure and lock the two universal balls, the phenomenon that the universal balls automatically rotate due to factors such as vibration is prevented, and the vertical positioning stability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of seismic geophones, in particular to a high-sensitivity seismic geophone. Background Art

[0002] The surface conditions in the exploration area are complex, with a maximum elevation difference of more than 200 meters. The terrain is strongly cut and presents gully and ridge landforms. The central part of the exploration area is mainly covered by Quaternary loess, which is relatively thick and mixed with ginger stone. The thicker loess layer has a strong absorption and attenuation effect on the high-frequency components of seismic waves, which is not conducive to the excitation of seismic waves; the gully scour zone and the bedrock at the bottom of the gully are exposed in the western part of the exploration area, and the degree of weathering is high, making it difficult to form holes; therefore, the shallow seismic geological conditions are complex; seismic detectors are needed for earthquake detection, and the seismic detectors need to be kept vertical during layout. Existing seismic detectors are prone to crooked insertion during installation, which leads to poor sensitivity of the seismic detectors during use, reducing the practicality and accuracy of the seismic detectors during use.

[0003] In this regard, after searching, publication number CN218298543U discloses a high-sensitivity seismic detector, including a support plate, a groove and a card slot are respectively opened in the support plate, the groove is arranged at the top of the card slot, the groove is connected with the card slot, an extrusion ball is arranged on the inner wall of the card slot, a cylinder is arranged on the inner wall of the groove, a side rod is opened in the cylinder, a fastening bolt is arranged on the top of the cylinder, the fastening bolt is threadedly connected with the cylinder, and the bottom of the fastening bolt is against the side rod; by setting the extrusion ball, the metal coupling plate, the cylinder, the fastening bolt and the side rod for coordinated use, the detector can be clamped and fixed by the extrusion ball and the metal coupling plate, thereby improving the stability of the detector in the support plate, and at the same time, the magnetic attraction between the first magnet and the second magnet can be used to limit the detector again by the cover plate, thereby avoiding the tilting of the detector in the support plate, thereby improving the sensitivity of the detector when in use.

[0004] The above technology discloses a high-sensitivity seismic detector,

[0005] By setting up a squeeze ball, a metal coupling plate, a cylinder, a fastening bolt, a side rod and other structures for use in conjunction, it is possible to detect whether the detector is tilted, and when it is tilted, the position of the metal coupling plate can be adjusted by loosening the fastening bolts to adjust the seismic detector, thereby avoiding the detector from tilting in the supporting plate, thereby improving the sensitivity of the detector when in use. However, there are the following shortcomings when in use: 1. Manually judging whether it is tilted by using a measuring rod and adjusting the position by loosening multiple fastening bolts, it is impossible to quickly and adaptively adjust to vertical for vertical positioning, the operation is cumbersome, and the adjustment convenience and efficiency are not ideal. In view of this, a high-sensitivity seismic detector is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a high-sensitivity seismic detector to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-sensitivity seismic detector, comprising two seismic detector bodies and two spherical sleeves, the two spherical sleeves are fixedly connected to an L-shaped support plate on one side of each of the two spherical sleeves that repel each other, a universal ball is provided in a movable sleeve inside the spherical sleeve, an insertion through hole is provided on the top of the universal ball, and two anti-wear balls are movably nested on the inner walls of the four sides of the insertion through hole, the seismic detector body is located between the corresponding eight anti-wear balls and is in active contact with the anti-wear balls, a counterweight sleeve is fixedly connected to the bottom of the universal ball, and before the seismic detector body is inserted, the counterweight sleeve is used to automatically rotate to vertical when tilted, and drives the universal ball to rotate to vertical adaptively, and the universal ball is used to cooperate with the corresponding eight anti-wear balls to prevent wear and vertical positioning of the seismic detector body;

[0008] A same rectangular tube is fixedly connected between the two spherical sleeves, a pressure display is fixedly connected to the top left side of the rectangular tube, a two-way threaded drive assembly is installed in the rectangular tube, a T-shaped rotating rod fixedly connected to the two-way threaded drive assembly is rotatably installed on the top of the rectangular tube, both sides of the two-way threaded drive assembly are fixedly connected with pressure measuring and squeezing assemblies electrically connected to the pressure display, the two pressure measuring and squeezing assemblies are respectively in active contact with one side close to the two universal balls, the two-way threaded drive assembly is used to drive the two pressure measuring and squeezing assemblies to squeeze or unlock the two universal balls when the T-shaped rotating rod rotates, the pressure measuring and squeezing assembly is used to detect the squeezing force during squeezing and transmit it to the pressure display for display, so as to facilitate personnel to understand and control the locking force and ensure the stability of the locking.

[0009] Preferably, the bidirectional threaded drive assembly includes two screws rotatably installed in a rectangular tube, the adjacent ends of the two screws are fixedly connected, the threads of the two screws have opposite rotation directions, a first bevel gear is fixedly sleeved on the screw on the left, a second bevel gear is meshed on the right side of the first bevel gear, the top of the second bevel gear is fixedly connected to the bottom end of the T-shaped rotating rod, and two rectangular sliders are slidingly sleeved in the rectangular tube, and the two rectangular sliders are respectively threadedly sleeved on the corresponding screws.

[0010] Preferably, the pressure measuring and squeezing assembly includes a pressure sensor electrically connected to the pressure display, and the adjacent sides of the two pressure sensors are respectively fixedly connected to the repelling sides of the two rectangular sliders, and the repelling sides of the two pressure sensors are fixedly connected with pressure blocks, and the repelling sides of the two pressure blocks are both arranged as concave arc structures and are bonded and fixed with anti-slip rubber, and the repelling sides of the two anti-slip rubbers are respectively movably contacted with the adjacent sides of the two universal balls, the spherical sleeve is movably mounted on the corresponding pressure block, and the rectangular tube is slidably mounted on the two pressure blocks.

[0011] Preferably, two first balls are movably embedded on the inner walls of the four sides of the spherical sleeve, and the universal ball is located between the corresponding eight first balls and is in rolling contact with the first balls.

[0012] Preferably, a thread groove is provided on one side of the two rectangular sliding blocks that are adjacent to each other, and the thread groove is threadably connected to the corresponding screw rod.

[0013] Preferably, a rectangular through hole is formed on the adjacent side of the two spherical sleeves, and the outer side of the pressing block and the outer side of the anti-slip rubber are in active contact with the inner wall of the corresponding rectangular through hole.

[0014] Preferably, the geophone body is located in the corresponding counterweight sleeve and does not contact the inner wall of the counterweight sleeve.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. This high-sensitivity seismic detector, through the cooperation of the spherical sleeve, the first ball, the universal ball, the weight sleeve and the anti-wear ball, can utilize the weight sleeve's own gravity to adaptively rotate to a vertical state when tilting before releasing the locking of the universal ball and inserting the seismic detector body, and drive the corresponding universal ball to adaptively rotate and adjust, so as to facilitate and quickly adaptively adjust to a vertical state for vertical positioning work, without the need for personnel to judge the tilt state and complex adjustment operations, and is easy to operate, thereby improving the convenience and efficiency of adjustment;

[0017] 2. This high-sensitivity seismic detector, through the cooperation of the universal ball, rectangular tube, T-shaped rotating rod, pressure display, bidirectional threaded drive assembly and pressure measuring and squeezing assembly, can quickly and synchronously unlock the two universal balls when the T-shaped rotating rod is rotated, and can quickly and synchronously squeeze and lock the two universal balls after adjustment and display the squeezing pressure. By displaying the squeezing pressure, it is convenient for personnel to accurately control the pressure and lock the two universal balls, and it is convenient for personnel to control the locking force, and prevent the phenomenon of automatic rotation of the universal balls due to factors such as vibration, ensure the vertical positioning stability, and use the vertical positioning of the seismic detector body to prevent it from tilting and affecting the detection sensitivity, thereby improving its detection sensitivity.

[0018] The utility model is provided with a series of structures, which makes it convenient to use the counterweight to adaptively rotate to quickly adjust the universal ball to a vertical position, facilitate the rapid vertical anti-tilt positioning of the seismic detector body, is easy to operate, improves the convenience and efficiency of adjustment, facilitates the rapid and synchronous unlocking of the two universal balls, and facilitates the rapid and synchronous squeezing and locking of the two universal balls after adjustment and displays the squeezing pressure, which makes it convenient for personnel to control the locking force to accurately control the pressure and lock the two universal balls, prevents the phenomenon of automatic rotation of the universal balls due to factors such as vibration, and ensures the stability of vertical positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a high-sensitivity seismic geophone proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the upward-looking three-dimensional structure of a high-sensitivity seismic geophone proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional structure of a high-sensitivity seismic geophone proposed by the utility model;

[0022] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure of part A.

[0023] In the figure: 1. seismic detector body; 2. pressure display; 3. spherical sleeve; 4. universal ball; 5. first ball; 6. insertion hole; 7. anti-wear ball; 8. counterweight sleeve; 9. rectangular tube; 10. anti-slip rubber; 11. screw; 12. first bevel gear; 13. second bevel gear; 14. T-shaped rotating rod; 15. rectangular slider; 16. pressure sensor; 17. pressure block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 4As shown, a high-sensitivity seismic detector proposed in this embodiment includes two seismic detector bodies 1 and two spherical sleeves 3. The two spherical sleeves 3 have an L-shaped support plate fixedly connected to one side of each other. A universal ball 4 is movably mounted inside the spherical sleeve 3. An insertion through hole 6 is provided on the top of the universal ball 4. Two anti-wear balls 7 are movably embedded on the four inner walls of the insertion through hole 6. The seismic detector body 1 is located between the corresponding eight anti-wear balls 7 and is in movably contact with the anti-wear balls 7. A counterweight sleeve 8 is fixedly connected to the bottom of the universal ball 4. Two first balls 5 are movably embedded on the four inner walls of the spherical sleeve 3. The universal ball 4 is located between the corresponding eight The first balls 5 are in rolling contact with each other, and the geophone body 1 is located in the corresponding weight sleeve 8 and is not in contact with the inner wall of the weight sleeve 8. The weight sleeve 8 is used for the bottom end of the geophone body 1 to pass downward and be inserted into the ground. Before the geophone body 1 is inserted, the weight sleeve 8 is used to automatically rotate to vertical when tilted, and drive the universal ball 4 to adaptively rotate to vertical. The universal ball 4 is used to cooperate with the corresponding eight anti-wear balls 7 to perform wear-resistant vertical positioning of the geophone body 1. The first balls 5 are provided to support the wear-resistant activities of the universal ball 4, so as to prevent the friction from affecting its adaptive rotation.

[0026] A same rectangular tube 9 is fixedly connected between the two spherical sleeves 3, a pressure display 2 is fixedly connected to the left side of the top of the rectangular tube 9, a two-way threaded drive assembly is installed in the rectangular tube 9, a T-shaped rotating rod 14 fixedly connected to the two-way threaded drive assembly is rotatably installed on the top of the rectangular tube 9, wherein a circular hole is opened on the top of the rectangular tube 9, a first bearing is fixedly sleeved in the circular hole, the inner ring of the first bearing is fixedly sleeved on the outer side of the T-shaped rotating rod 14, so as to achieve the effect of rotatably installing the T-shaped rotating rod 14, and both sides of the two-way threaded drive assembly are fixedly connected with pressure measuring and squeezing assemblies electrically connected to the pressure display 2, and the two pressure measuring and squeezing assemblies are respectively in active contact with one side close to the two universal balls 4, and the two-way threaded drive assembly is used to drive the two pressure measuring and squeezing assemblies to squeeze or unlock the two universal balls 4 when the T-shaped rotating rod 14 rotates, and the pressure measuring and squeezing assemblies are used to detect the squeezing force during squeezing and transmit it to the pressure display 2 for display, so as to facilitate personnel to understand and control the locking force and ensure the stability of the locking.

[0027] Specifically, the bidirectional threaded drive assembly includes two screws 11 rotatably installed in the rectangular tube 9, wherein two second bearings are fixedly connected between the top inner wall and the bottom inner wall of the rectangular tube 9, the inner side of the inner ring of the second bearing is fixedly connected to the outer side of the corresponding screw 11, which plays the effect of rotatably installing the screw 11, the adjacent ends of the two screws 11 are fixedly connected, the threads of the two screws 11 have opposite rotation directions, a first bevel gear 12 is fixedly sleeved on the screw 11 on the left, a second bevel gear 13 is meshed on the right side of the first bevel gear 12, the top of the second bevel gear 13 is fixedly connected to the bottom end of the T-shaped rotating rod 14, and two rectangular sliders 15 are slidingly sleeved in the rectangular tube 9, and the two rectangular sliders 15 are respectively The threaded sleeve is arranged on the corresponding screw rod 11, wherein a thread groove is provided on the adjacent side of the two rectangular sliders 15, and the thread groove is threadedly connected with the corresponding screw rod 11. By utilizing the threaded connection relationship between the screw rod 11 and the thread groove, and cooperating with the opposite rotation direction of the threads of the two screw rods 11, it is convenient to drive the two rectangular sliders 15 to repel or move similarly when the two screw rods 11 rotate; the screw rod 11, the first bevel gear 12, the second bevel gear 13 and the rectangular slider 15 are arranged to cooperate, and the second bevel gear 13 is driven to rotate by the T-shaped rotating rod 14, and the second bevel gear 13 drives the two screw rods 11 to rotate through the first bevel gear 12, and the rotation of the two screw rods 11 drives the two rectangular sliders 15 to repel or move similarly.

[0028] Further, the pressure measuring and squeezing assembly includes a pressure sensor 16 electrically connected to the pressure display 2, and the adjacent sides of the two pressure sensors 16 are respectively fixedly connected to the repelling sides of the two rectangular sliders 15, and the repelling sides of the two pressure sensors 16 are fixedly connected with a pressure block 17, and the repelling sides of the two pressure blocks 17 are both set as a concave arc structure and are bonded and fixed with an anti-skid rubber 10, and the repelling sides of the two anti-skid rubbers 10 are respectively in active contact with the adjacent sides of the two universal balls 4, and the spherical sleeves 3 are movably sleeved on the corresponding pressure blocks 17, wherein the adjacent sides of the two spherical sleeves 3 are each provided with a rectangular through hole The outer sides of the pressing block 17 and the outer sides of the anti-skid rubber 10 are in active contact with the inner walls of the corresponding rectangular perforations, which play the role of allowing the pressing block 17 to pass through and guiding it laterally. The rectangular tube 9 is slidably sleeved on the two pressing blocks 17; the pressure sensor 16, the pressing block 17 and the anti-skid rubber 10 are coordinated, and the repulsive movement of the two rectangular sliders 15 is used to realize the repulsive movement of the two anti-skid rubbers 10 driven by the two pressure sensors 16 and the two pressing blocks 17 in turn, and the two universal balls 4 are squeezed and fixed, and the extrusion force applied by the two rectangular sliders 15 is detected by the two pressure sensors 16 and transmitted to the pressure display 2 for display.

[0029] The method of using this embodiment is as follows: before vertical positioning, when the device tilts as a whole due to factors such as ground tilt, first pull the seismic detector body 1 out of the insertion hole 6 and keep it in an uninserted state, then reversely rotate the T-shaped rotating rod 14 to drive the second bevel gear 13 to rotate, and the second bevel gear 13 drives the two screws 11 to rotate through the first bevel gear 12, and the rotation of the two screws 11 drives the two rectangular sliders 15 to slide close to each other in the rectangular tube 9, and the two rectangular sliders 15 drive the two anti-skid rubbers 10 to move close to each other through the two pressure sensors 16 and the two pressure blocks 17 in turn, and the two anti-skid rubbers 10 are separated from the two universal balls 4, and the extrusion locking state is released. At this time, under the action of its own gravity, the counterweight sleeve 8 automatically rotates downward to a vertical state, and drives the corresponding universal ball 4 to adaptively rotate between the eight first balls 5, and at this time, the insertion hole 6 on the universal ball 4 automatically rotates to a vertical state;

[0030] Then, the T-shaped rotating rod 14 is rotated forwardly, and the movement direction is completely opposite to that of the above-mentioned reverse rotation of the T-shaped rotating rod 14. At this time, the two rectangular sliders 15 change to repulsive movement. At this time, the two rectangular sliders 15 drive the two anti-skid rubbers 10 to repel each other through the two pressure sensors 16 and the two pressure blocks 17 in turn. The two anti-skid rubbers 10 squeeze the two universal balls 4. The two pressure sensors 16 detect the squeezing force applied by the two rectangular sliders 15 and transmit it to the pressure display 2 for display. The personnel can control the locking force by watching the displayed pressure value. When the locking force is appropriate, stop rotating the T-shaped rotating rod 14. At this time, the seismic detector body 1 can be inserted through the corresponding perforations in turn. 6 and the counterweight sleeve 8 are inserted downward and inserted into the ground to detect seismic waves. At this time, the seismic detector body 1 is vertically positioned by the corresponding eight anti-wear balls 7 in accordance with the anti-wear surround. By using the counterweight to adaptively rotate to the vertical when unlocking before insertion, it is convenient to quickly adaptively adjust to the vertical for vertical positioning. There is no need for personnel to judge the tilt state and perform complex adjustment operations. The operation is simple, and the convenience and efficiency of adjustment are improved. Moreover, by squeezing the universal balls after adjustment and displaying the squeezing pressure, it is convenient for personnel to accurately control the pressure and lock the two universal balls 4, and it is convenient for personnel to control the locking force, thereby preventing the universal balls 4 from automatically rotating due to vibration and other factors, and ensuring the stability of vertical positioning.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-sensitivity seismic detector, comprising two seismic detector bodies (1) and two spherical sleeves (3), characterized in that: The two spherical sleeves (3) are fixedly connected to an L-shaped support plate on one side that repels the other. A universal ball (4) is movably mounted inside the spherical sleeve (3). An insertion through hole (6) is provided on the top of the universal ball (4). Two anti-wear balls (7) are movably embedded on the inner walls of the four sides of the insertion through hole (6). The seismic detector body (1) is located between the corresponding eight anti-wear balls (7) and is in active contact with the anti-wear balls (7). A counterweight sleeve (8) is fixedly connected to the bottom of the universal ball (4). A rectangular tube (9) is fixedly connected between the two spherical sleeves (3), a pressure display (2) is fixedly connected to the left side of the top of the rectangular tube (9), a bidirectional threaded drive assembly is installed in the rectangular tube (9), a T-shaped rotating rod (14) fixedly connected to the bidirectional threaded drive assembly is rotatably installed on the top of the rectangular tube (9), and pressure measuring and squeezing assemblies electrically connected to the pressure display (2) are fixedly connected to both sides of the bidirectional threaded drive assembly, and the two pressure measuring and squeezing assemblies are respectively in active contact with the side close to the two universal balls (4).

2. A high-sensitivity seismic geophone according to claim 1, characterized in that: The bidirectional thread drive assembly comprises two screw rods (11) rotatably mounted in a rectangular tube (9), the adjacent ends of the two screw rods (11) are fixedly connected, the threads of the two screw rods (11) are in opposite directions, a first bevel gear (12) is fixedly sleeved on the screw rod (11) located on the left side, a second bevel gear (13) is meshed on the right side of the first bevel gear (12), the top of the second bevel gear (13) is fixedly connected to the bottom end of a T-shaped rotating rod (14), and two rectangular sliders (15) are slidably sleeved in the rectangular tube (9), and the two rectangular sliders (15) are respectively threadedly sleeved on the corresponding screw rods (11).

3. A high-sensitivity seismic geophone according to claim 2, characterized in that: The pressure measuring and squeezing assembly comprises a pressure sensor (16) electrically connected to the pressure display (2); the adjacent sides of the two pressure sensors (16) are respectively fixedly connected to the repelling sides of the two rectangular sliders (15); the repelling sides of the two pressure sensors (16) are both fixedly connected to a pressure block (17); the repelling sides of the two pressure blocks (17) are both arranged as a concave arc structure and are bonded and fixed with an anti-skid rubber (10); the repelling sides of the two anti-skid rubbers (10) are respectively in active contact with the adjacent sides of the two universal balls (4); the spherical sleeve (3) is movably sleeved on the corresponding pressure block (17); and the rectangular tube (9) is slidably sleeved on the two pressure blocks (17).

4. A high-sensitivity seismic geophone according to claim 1, characterized in that: Two first rolling balls (5) are movably nested on the inner walls of the four sides of the spherical sleeve (3), and the universal ball (4) is located between the corresponding eight first rolling balls (5) and is in rolling contact with the first rolling balls (5).

5. A high-sensitivity seismic geophone according to claim 2, characterized in that: A thread groove is provided on one side of the two rectangular sliding blocks (15) that are close to each other, and the thread groove is threadedly connected to the corresponding screw rod (11).

6. A high-sensitivity seismic geophone according to claim 3, characterized in that: A rectangular through hole is provided on the adjacent side of the two spherical sleeves (3), and the outer side of the pressing block (17) and the outer side of the anti-slip rubber (10) are in active contact with the inner wall of the corresponding rectangular through hole.

7. A high-sensitivity seismic geophone according to claim 1, characterized in that: The seismic detector body (1) is located in the corresponding counterweight sleeve (8) and does not contact the inner wall of the counterweight sleeve (8).

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