Vibration velocity sensor for blasting vibration meter

Abstract

The utility model relates to the technical field of sensors, and discloses a vibration velocity sensor for a blasting vibration meter, which comprises an auxiliary mechanism, a protection mechanism and a testing mechanism, the protection mechanism is arranged at the top end of the auxiliary mechanism, and the testing mechanism is arranged on the surface of the protection mechanism; the auxiliary mechanism comprises a mounting plate, a mounting hole is formed in the middle of the mounting plate, a connecting plate is arranged at the bottom end of the mounting plate, and a connecting screw rod is fixedly connected to the middle of the connecting plate. According to the utility model, the adjusting screw sleeve is arranged, the connecting screw rod passes through the mounting hole of the mounting plate, after the X-axis direction of the indication coordinate points to an explosion source, the sensor is fixed on the ground by using the positioning column, and the adjusting screw sleeve is rotated to adjust the distance between the connecting screw rod and the positioning column so as to adjust the inclination angle of the sensor; after it is observed that a horizontal bubble in the leveling device is located in the center, the connecting plate and the mounting plate are fixed through the fixing nuts, leveling can be completed, and convenience during leveling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a vibration velocity sensor for a blasting vibration meter. Background Art

[0002] The vibration velocity sensor is an inertial sensor that uses the principle of magnetoelectric induction to convert vibration signals into voltage signals, and the voltage value is proportional to the vibration velocity value. During the blasting operation, a blasting vibration meter is required to monitor the blasting. The vibration velocity sensor is responsible for collecting the vibration signal and then transmitting it to the blasting vibration meter (recorder) for processing and analysis.

[0003] According to publication number CN215338570U, a vibration velocity sensor for a blasting vibrometer comprises a sensor housing and a sensor core built into the sensor housing, the sensor housing comprises an upper shell and a lower shell that are snapped together as one, a first installation cavity for installing the sensor core is arranged inside the lower shell, a second installation cavity matching the first installation cavity is arranged inside the upper shell, step strips for increasing the contact area with air are arranged on the inner walls of the upper shell and the lower shell, a sensor connector is arranged on the outside of the lower shell; a leveling device and an installation indicator for facilitating installation are arranged on the upper end surface of the upper shell.

[0004] The structure of the leveling device can help operators to level the surface. However, when operators use the leveling device to level the surface, they still need to make manual adjustments. Since there is no supporting device to provide leverage during manual adjustments, excessive adjustments may occur, which reduces the efficiency of leveling. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a vibration velocity sensor for a blasting vibration meter.

[0006] The utility model is implemented by the following technical scheme: a vibration velocity sensor for a blasting vibration meter, comprising an auxiliary mechanism, a protective mechanism and a testing mechanism, wherein the protective mechanism is arranged at the top of the auxiliary mechanism, and the testing mechanism is arranged on the surface of the protective mechanism;

[0007] The auxiliary mechanism includes a mounting plate, a mounting hole is opened in the middle of the mounting plate, a connecting plate is arranged at the bottom end of the mounting plate, a connecting screw is fixedly connected to the middle of the connecting plate, an adjusting screw sleeve is threadedly connected to the surface of the connecting screw, a positioning column is threadedly connected to the bottom end of the adjusting screw sleeve, and a fixing nut is threadedly connected to the surface of the connecting screw.

[0008] Through the above technical solution, the distance between the connecting screw and the positioning column is adjusted by rotating the adjusting screw sleeve to adjust the inclination angle of the sensor, thereby increasing the convenience of leveling.

[0009] As a further improvement of the above solution, the number of the connecting screws is set to four, and the four connecting screws are composed of a threaded rod and a connecting column. The surface of the connecting column is provided with a thread groove, and the fixing nut is located at the top of the mounting plate.

[0010] As a further improvement of the above scheme, the protective mechanism includes an outer shell, which is fixedly connected to the top of the mounting plate, a mounting groove is provided in the middle of the outer shell, a clamping groove is provided on the inner wall of the mounting groove, a protective plate is provided on the surface of the outer shell, a positioning plate is fixedly connected to the inner wall of the protective plate, and a convex ridge plate is fixedly connected to the surface of the positioning plate.

[0011] Through the above technical solution, the protective plate is pressed inward to make the positioning plate slide into the installation groove, and at the same time the convex ridge plate is clamped in the clamping groove to fix the protective plate at the four corners of the outer shell, thereby improving the protective effect of the sensor when in use.

[0012] As a further improvement of the above solution, the shape of the clamping groove is semicircular, the number of the protective plates is four, and the four protective plates are located at the four corners of the outer shell.

[0013] As a further improvement of the above solution, the convex ridge plate is located in the middle of the clamping groove, and the shapes and sizes of the convex ridge plate and the clamping groove are matched.

[0014] As a further improvement of the above scheme, the testing mechanism includes an indicating coordinate, which is fixedly connected to the top of the outer shell, the top of the outer shell is fixedly connected to a leveling device, the right side of the outer shell is fixedly connected to a pad, the right side of the pad is fixedly connected to a connecting joint, the surface of the connecting joint is provided with an annular groove, and the middle part of the annular groove is rotatably connected to a sealing plate.

[0015] As a further improvement of the above solution, a horizontal bubble is arranged inside the leveling device, the leveling device adopts a transparent plastic shell, and the sealing plate is composed of a mounting ring, a connecting rubber plate and a dustproof plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides an adjusting screw sleeve, passes the connecting screw through the mounting hole of the mounting plate, makes the X-axis direction of the indicating coordinate point to the explosion source, fixes the sensor on the ground with a positioning column, rotates the adjusting screw sleeve, adjusts the distance between the connecting screw and the positioning column, and adjusts the inclination angle of the sensor. After observing that the horizontal bubble in the leveling device is in the center, fixes the position of the connecting plate and the mounting plate with a fixing nut, and leveling is completed, thereby increasing the convenience of leveling.

[0018] The utility model sets a protective plate, aligns the positioning plate on the protective plate with the installation groove on the outer shell, presses the protective plate inwardly, makes the positioning plate slide into the installation groove, and at the same time the convex ridge plate is clamped in the clamping groove, so that the protective plate is fixed to the four corners of the outer shell. The protective plate, the positioning plate and the convex ridge plate are all made of silicone material, which can play a certain protective effect when the sensor is in use, and when the protective plate is damaged, it can be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the outer shell of the utility model when viewed from above;

[0021] Figure 3 This is a schematic diagram of the installation slot and the clamping slot structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the auxiliary mechanism structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the protective plate of the utility model.

[0024] Description of main symbols:

[0025] 1. Auxiliary mechanism; 101. Mounting plate; 102. Mounting hole; 103. Connecting plate; 104. Connecting screw; 105. Adjusting screw sleeve; 106. Positioning column; 107. Fixing nut; 2. Protective mechanism; 201. Outer shell; 202. Mounting groove; 203. Clamping groove; 204. Protective plate; 205. Positioning plate; 206. Raised ridge plate; 3. Testing mechanism; 301. Indicating coordinates; 302. Leveling device; 303. Pad; 304. Connecting joint; 305. Annular groove; 306. Sealing plate. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] Example:

[0028] Please combine Figure 1-5 A vibration velocity sensor for a blasting vibrometer according to this embodiment includes an auxiliary mechanism 1, a protective mechanism 2 and a testing mechanism 3, wherein the protective mechanism 2 is arranged on the top of the auxiliary mechanism 1, and the testing mechanism 3 is arranged on the surface of the protective mechanism 2;

[0029] The auxiliary mechanism 1 includes a mounting plate 101, a mounting hole 102 is opened in the middle of the mounting plate 101, a connecting plate 103 is arranged at the bottom end of the mounting plate 101, a connecting screw 104 is fixedly connected to the middle of the connecting plate 103, an adjusting screw sleeve 105 is threadedly connected to the surface of the connecting screw 104, a positioning column 106 is threadedly connected to the bottom end of the adjusting screw sleeve 105, and a fixing nut 107 is threadedly connected to the surface of the connecting screw 104.

[0030] There are four connecting screws 104 , which are composed of threaded rods and connecting columns. The surfaces of the connecting columns are provided with thread grooves. The fixing nuts 107 are located at the top of the mounting plate 101 .

[0031] The protective mechanism 2 includes an outer shell 201, which is fixedly connected to the top of the mounting plate 101. A mounting groove 202 is provided in the middle of the outer shell 201, and a snap-in groove 203 is provided on the inner wall of the mounting groove 202. A protective plate 204 is provided on the surface of the outer shell 201, and a positioning plate 205 is fixedly connected to the inner wall of the protective plate 204, and a convex ridge plate 206 is fixedly connected to the surface of the positioning plate 205.

[0032] The shape of the clamping groove 203 is semicircular. There are four protective plates 204 , which are located at four corners of the outer shell 201 .

[0033] The convex ridge plate 206 is located in the middle of the clamping slot 203 , and the convex ridge plate 206 and the clamping slot 203 are matched in shape and size.

[0034] The testing mechanism 3 includes an indicating coordinate 301, which is fixedly connected to the top of the outer shell 201. The top of the outer shell 201 is fixedly connected to a leveling device 302. The right side of the outer shell 201 is fixedly connected to a pad 303. The right side of the pad 303 is fixedly connected to a connecting joint 304. The surface of the connecting joint 304 is provided with an annular groove 305. The middle part of the annular groove 305 is rotatably connected to a sealing plate 306.

[0035] A leveling bubble is arranged inside the leveling device 302. The leveling device 302 adopts a transparent plastic shell. The sealing plate 306 is composed of a mounting ring, a connecting rubber plate and a dustproof plate.

[0036] The implementation principle of a vibration velocity sensor for a blasting vibration meter in the embodiment of the present application is:

[0037] Align the positioning plate 205 on the protective plate 204 with the mounting groove 202 on the outer shell 201, press the protective plate 204 inward, so that the positioning plate 205 is inserted into the mounting groove 202, and the convex ridge plate 206 is snapped into the snap-in groove 203, so that the protective plate 204 is fixed to the four corners of the outer shell 201. The protective plate 204, the positioning plate 205 and the convex ridge plate 206 are all made of silicone material, which can play a certain protective effect when the sensor is in use, and when the protective plate 204 is damaged, it can be disassembled and replaced. When in use, pass the connecting screw 104 through the mounting hole 101 of the mounting plate 101 2. After the X-axis direction of the indicating coordinate 301 points to the explosion source, the sensor is fixed on the ground using the positioning column 106, and the adjusting screw sleeve 105 is turned to adjust the distance between the connecting screw 104 and the positioning column 106 to adjust the inclination angle of the sensor. After observing that the horizontal bubble in the leveling device 302 is in the center, the position of the connecting plate 103 and the mounting plate 101 is fixed using the fixing nut 107 to complete the leveling. The vibrometer is connected to the sensor through the connecting joint 304. The sensor converts the detected vibration signal into an electrical signal and transmits it to the vibrometer, thereby completing monitoring and recording.

[0038] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A vibration velocity sensor for a blasting vibration meter, characterized in that: It comprises an auxiliary mechanism (1), a protective mechanism (2) and a testing mechanism (3), wherein the protective mechanism (2) is arranged on the top of the auxiliary mechanism (1), and the testing mechanism (3) is arranged on the surface of the protective mechanism (2); The auxiliary mechanism (1) comprises a mounting plate (101), a mounting hole (102) is provided in the middle of the mounting plate (101), a connecting plate (103) is provided at the bottom end of the mounting plate (101), a connecting screw (104) is fixedly connected to the middle of the connecting plate (103), an adjusting screw sleeve (105) is threadedly connected to the surface of the connecting screw (104), a positioning column (106) is threadedly connected to the bottom end of the adjusting screw sleeve (105), and a fixing nut (107) is threadedly connected to the surface of the connecting screw (104).

2. A vibration velocity sensor for a blasting vibration meter as claimed in claim 1, characterized in that: The number of the connecting screws (104) is four, and the four connecting screws (104) are composed of a threaded rod and a connecting column. The surface of the connecting column is provided with a thread groove, and the fixing nut (107) is located at the top end of the mounting plate (101).

3. A vibration velocity sensor for a blasting vibration meter as claimed in claim 1, characterized in that: The protective mechanism (2) comprises an outer shell (201), the outer shell (201) is fixedly connected to the top of the mounting plate (101), a mounting groove (202) is provided in the middle of the outer shell (201), a clamping groove (203) is provided on the inner wall of the mounting groove (202), a protective plate (204) is provided on the surface of the outer shell (201), a positioning plate (205) is fixedly connected to the inner wall of the protective plate (204), and a convex ridge plate (206) is fixedly connected to the surface of the positioning plate (205).

4. A vibration velocity sensor for a blasting vibration meter as claimed in claim 3, characterized in that: The shape of the clamping groove (203) is semicircular, and the number of the protective plates (204) is four, and the four protective plates (204) are located at the four corners of the outer shell (201).

5. A vibration velocity sensor for a blasting vibration meter as claimed in claim 3, characterized in that: The convex ridge plate (206) is located in the middle of the clamping groove (203), and the shape and size of the convex ridge plate (206) and the clamping groove (203) are matched.

6. A vibration velocity sensor for a blasting vibration meter as claimed in claim 1, characterized in that: The testing mechanism (3) comprises an indicating coordinate (301), wherein the indicating coordinate (301) is fixedly connected to the top of an outer shell (201), a leveling device (302) is fixedly connected to the top of the outer shell (201), a pad (303) is fixedly connected to the right side of the outer shell (201), a connecting joint (304) is fixedly connected to the right side of the pad (303), an annular groove (305) is provided on the surface of the connecting joint (304), and a sealing plate (306) is rotatably connected to the middle of the annular groove (305).

7. A vibration velocity sensor for a blasting vibration meter as claimed in claim 6, characterized in that: A horizontal bubble is arranged inside the leveling device (302), the leveling device (302) adopts a transparent plastic shell, and the sealing plate (306) is composed of a mounting ring, a connecting rubber plate and a dustproof plate.

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