CN-224231085-U - Blasting vibration monitoring device

Abstract

The utility model discloses a blasting vibration monitoring device, belongs to the technical field of blasting vibration monitoring devices, and solves the problems that in the prior art, in the blasting direct mining technology of a pumped storage power station face rockfill dam, the distribution direction of blasting vibration cannot be accurately known, and the misjudgment of vibration energy is easy to cause, so that the follow-up blasting vibration energy is easy to cause to be not isolated, and the crack or structural instability of a dam body is induced. The utility model comprises a cylindrical box body with at least the top part made of transparent materials, a plurality of measuring structures which are arranged on the cylindrical box body at equal intervals along the circumferential direction of the cylindrical box body, a spherical hinge structure which is arranged in the cylindrical box body, the central shaft of the spherical hinge structure is the same as that of the cylindrical box body, and the spherical hinge structure is matched with each measuring structure in a stress swing way, and a limiting structure which is arranged on the cylindrical box body and is used for limiting the spherical hinge structure in the middle. The utility model is used for monitoring the blasting vibration.

Inventors

• YUAN YONGQIANG
• WEI ZEKUN
• CHEN JIAWEI
• Wu Tenghaotian
• ZHAO JING
• WU ZHENGUO
• LIU LEI
• YANG XIAOHONG
• LI ZHAOXU
• TIAN LIMIN
• KANG YI
• WANG ZHAO
• ZHANG DELI

Assignees

• 中国水利水电第三工程局有限公司

Dates

Publication Date

20260512

Application Date

20250529

Claims (8)

1. 1. The utility model provides a blasting vibration monitoring devices, its characterized in that, including cylindrical box (1) that is transparent material at least at the top, along a plurality of measurement structure (2) of equidistant setting on cylindrical box (1) of circumference direction of cylindrical box (1), set up in cylindrical box (1) and the center pin is same center pin with the center pin of cylindrical box (1), and atress swing and each measurement structure matched with spherical hinge structure (3), and set up on cylindrical box (1) to spherical hinge structure (3) spacing limit structure (4) between two parties.
2. 2. The blasting vibration monitoring device according to claim 1, wherein the cylindrical case (1) comprises an outer case (5), an inner case (6) disposed in the outer case (5) and forming a space between the outer case (5), and a bottom plate (7) connecting the outer case (5) and the inner case (6) and a top plate (8) movably sealing the tops of the outer case (5) and the inner case (6); along the perimeter direction of the inner box body (6), a plurality of through holes (9) corresponding to the measuring structures (2) are arranged on the inner box body (6) at equal intervals, and each measuring structure (2) is arranged on the outer box body (5) corresponding to the through hole (9) outside the through hole (9).
3. 3. The blasting vibration monitoring device according to claim 2, wherein the measuring structure (2) comprises a T-shaped groove (10) arranged on the outer box body (5) corresponding to the through hole (9) at the through hole (9) of the inner box body (6), a T-shaped block (11) arranged on the T-shaped groove (10) in a sliding manner is connected with the T-shaped block (11), a push rod (12) matched with the spherical hinge structure (3) is arranged in the inner box body (6), and the inner box body (6) limits the T-shaped block (11) to slide into the inner box body (6) through the through hole (9).
4. 4. A blasting vibration monitoring device according to claim 3, wherein the T-shaped block (11) comprises a transverse plate (13) and vertical plates (14) arranged on the transverse plate (13), the vertical plates are positioned on two sides of the vertical plates (14), and elastic pieces (15) matched with the T-shaped grooves (10) are arranged on the transverse plate (13).
5. 5. A blasting vibration monitoring device according to claim 4, wherein a scale (16) is provided on the T-shaped groove (10) along the length direction of the T-shaped groove (10), and a pointer scale (17) matched with the scale (16) is provided on the riser (14) of the T-shaped block (11).
6. 6. A blasting vibration monitoring device according to any one of claims 3 to 5, wherein the spherical hinge structure comprises a cross-shaped frame (18) provided on a top side of the inner casing (6), a spherical hinge (19) provided at a center of the cross-shaped frame (18), a link (20) connected to the spherical hinge (19), and a spherical weight (21) connected to the link (20) and fitted to the measuring structure (2).
7. 7. A blasting vibration monitoring device according to claim 6, wherein the ball joint (19) comprises a ball socket (22) connected to the cross frame (18), a ball (23) rotatably connected to the ball socket (22) and connected to the connecting rod (20).
8. 8. The blasting vibration monitoring device according to claim 7, wherein the connecting rod (20) and the ball socket (22) are provided with a limiting hole A (24), and the top plate (8) of the cylindrical box body (1) is provided with a limiting hole B (25) corresponding to the limiting hole A (24); The limiting structure (4) comprises a conical rod (26) penetrating through the limiting hole A (24) and the limiting hole B (25), and a handle (27) arranged on the conical rod (26).

Description

Blasting vibration monitoring device Technical Field A blasting vibration monitoring device is used for blasting vibration monitoring and belongs to the technical field of blasting vibration monitoring devices. Background With the rise of high-speed construction of pumped storage power stations in recent years, the face rockfill dam is promoted in a large scale due to adaptability, economy and reliability factors. Each power station has the practical effects of tight engineering construction period and heavy task, and particularly the large dosage of various grading materials of the dam body, if the transitional materials adopt the traditional construction processes such as mechanical crushing, screening and the like, the exploitation cost is high, and the exploitation strength can not reach the filling requirement. Under the condition, the advantage of the technical application of the step deep hole blasting broken rock mass is utilized, and the construction technology of the blasting direct mining method is adopted in the transition material production in combination with engineering design requirements and on-site actual conditions. The concrete faced rockfill dam has strict requirements on grading of transition materials (the grain size is usually 5-80 mm), the traditional mechanical crushing needs multistage screening, and the blasting direct mining directly obtains qualified grading by controlling blasting parameters, so that intermediate links are reduced. In the construction process adopting the blasting direct mining method, the blasting vibration monitoring device is a core tool for grasping blasting vibration data and optimizing construction, but the blasting vibration monitoring device in the prior art has the following technical problems: In the blasting direct mining technology of the face rockfill dam of the pumped storage power station, the distribution direction of blasting vibration cannot be accurately obtained, and the misjudgment of vibration energy is easy to cause, so that the problem that the follow-up blasting vibration energy is not isolated, and cracks or structural instability of a dam body are induced is easy to cause. Disclosure of utility model The utility model aims to provide a blasting vibration monitoring device, which solves the problems that in the blasting direct mining technology of a pumped storage power station face rockfill dam, the distribution direction of blasting vibration cannot be accurately known, and the misjudgment of vibration energy is easy to cause, so that the follow-up blasting vibration energy is easy to cause that the follow-up blasting vibration energy is not isolated, and the crack or the structure of the dam body is unstable. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a blasting vibration monitoring devices, includes the cylindrical box that the top is transparent material at least, along the equidistant a plurality of measurement structures of setting on cylindrical box of the circumferencial direction of cylindrical box, set up in cylindrical box and the center pin of center pin and cylindrical box be same center pin, and atress swing and each measurement structure matched with spherical hinge structure to and set up on cylindrical box to spherical hinge structure spacing limit structure between two parties. Further, the cylindrical box body comprises an outer box body, an inner box body arranged in the outer box body and forming a space between the outer box body and the inner box body, a bottom plate for connecting the outer box body and the inner box body, and a top plate for movably sealing the top parts of the outer box body and the inner box body; Along the perimeter direction of the inner box body, a plurality of through holes corresponding to the measuring structures are arranged on the inner box body at equal intervals, and each measuring structure is arranged on the outer box body corresponding to the through hole at the through hole. Further, the measuring structure comprises a T-shaped groove arranged on the outer box body corresponding to the through hole at the through hole of the inner box body, a T-shaped block arranged on the T-shaped groove in a sliding manner, a push rod matched with the spherical hinge structure and arranged in the inner box body is connected with the T-shaped block, and the inner box body limits the T-shaped block to slide into the inner box body through the through hole. Further, the T-shaped block comprises a transverse plate and vertical plates arranged on the transverse plate, wherein the vertical plates are positioned on two sides of the vertical plates, and elastic sheets matched with the T-shaped grooves are arranged on the transverse plate. Further, along the length direction of the T-shaped groove, scales are arranged on the T-shaped groove, and pointer scales matched with the scales are arranged on the vertical