Laser offshore long-distance detonating device and detonating method
Through the laser long-distance offshore detonation device, the laser beam focusing ignition method is used to solve the problem of signal interference, low energy transmission efficiency and reliability of the traditional offshore detonation method in long-distance scenarios, and achieve efficient, accurate and safe long-distance detonation control.
Patent Information
- Application Number
- CN202411760689.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-03-21
AI Technical Summary
The traditional detonation method of sea blasting has problems such as susceptibility to interference in signal transmission, low energy transmission efficiency, and difficult to guarantee detonation accuracy and reliability, especially in long-distance detonation scenarios.
The laser long-distance detonation device at sea, including the laser excitation device on the shore and the sea surface stabilization device far away from the shore. Through drone monitoring and motor adjustment, the focus laser beam is shot to the detonator in the explosion-transmitting fixture to achieve high-energy focused ignition.
It realizes efficient, precise and safe control of long-distance detonation at sea, improves the reliability and accuracy of detonation, and reduces the impact of sea surface shaking on the device.
Smart Images
Figure CN119665744A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a laser offshore long-distance detonation device and a detonation method, belonging to the field of blasting. Background Art
[0002] In offshore blasting operations, traditional detonation methods have many problems, such as signal transmission is susceptible to interference, energy transfer efficiency is low, and detonation accuracy and reliability are difficult to guarantee. These problems are particularly prominent in long-distance detonation scenarios, which seriously restrict the safety and efficiency of offshore blasting operations. Summary of the invention
[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a laser offshore remote detonation device and detonation method, which realizes efficient, precise and safe control of offshore remote detonation, and provides reliable technical support for blasting operations in marine engineering.
[0004] Technical solution: To solve the above technical problems, a laser offshore long-distance detonation device of the present invention comprises a laser excitation device and a monitoring drone located on the shore. A sea surface stabilization device is provided on the sea surface far away from the shore. The sea surface stabilization device comprises a floating body, on which an attitude stabilization device is installed. A workbench is provided on the attitude stabilization device. An optical lens is installed on one side of the workbench, and a laser shielding rod is installed on the other side. An explosion transmission fixing device is installed on the laser shielding rod. A groove is provided on the workbench, in which a motor is placed. The motor is fixed in the groove through a cover plate. The groove is connected to the through groove. The lower part of the laser shielding rod is connected to a movable boss. The movable boss is provided with a threaded hole. The motor is connected to a screw rod, which is used in conjunction with the threaded hole. The monitoring drone is connected to a controller, and the controller is connected to the motor. When long-distance offshore blasting is required, the size of the light spot irradiated at the focal position by focusing the laser beam through the optical lens is monitored and photographed by the drone, and the motor works. The movable screw rotates, thereby driving the laser shielding rod to move, thereby adjusting the distance between the optical lens and the explosion-transmitting fixing device. The laser beam generated by the laser excitation device is directed to the optical lens, and its energy is focused to the focal position. The detonator in the explosion-transmitting fixing device located at the focal point is burned and detonated when receiving the focused laser energy, thereby triggering the detonating cord to transmit the explosion; the explosion-transmitting fixing device includes a fixed body, a detonator socket, a detonating cord socket and a stabilizing structure, the fixed body is a rectangular shell made of high-strength material, the top and bottom ends of the fixed body are provided with filling layers, the middle of the fixed body is provided with a hollow layer, the fixed body is provided with a detonator socket and a detonating cord socket that are tangentially arranged, wherein the detonator socket and the detonating cord socket are both arranged in the filling layers at the top and bottom ends of the fixed body, and the inner diameters of the detonator socket and the detonating cord socket are consistent; a laser irradiation hole for laser irradiation is reserved on the side of the fixed body close to the detonator socket, and the laser irradiation hole can be connected to the hollow layer in the middle of the fixed body.
[0005] Preferably, a mounting block is provided at the end of the movable boss, and the movable boss is clamped in the through groove by the mounting block.
[0006] Preferably, a roller is installed on the inner surface of the mounting block, and the roller is located on the surface of the workbench.
[0007] Preferably, the attitude stabilizing device includes a supporting gantry installed on a floating body, a gravity stabilizing frame installed on the supporting gantry, a connecting rod installed on the gravity stabilizing frame, a counterweight is provided at one end of the connecting rod, and a yaw axis stabilizer is provided at the other end, the yaw axis stabilizer is connected to the roll axis stabilizer and the pitch axis stabilizer in sequence, and the pitch axis stabilizer is connected to the workbench.
[0008] A detonation method for a laser offshore remote detonation device comprises the following steps: (1) Start the laser excitation device to generate a high-energy laser beam; (2) Adjust the direction of laser emission so that it is accurately aimed at the directional energy focusing device; (3) The laser beam is irradiated onto the directional energy focusing device, and the energy is focused to the focal point; (4) The detonator at the focal point is burned by the laser, triggering the explosion. The detonating cord transfers the explosion energy underwater, achieving detonation.
[0009] Beneficial effect: The laser offshore long-distance detonation device of the present invention, the laser beam generated by the laser excitation device is directed to the directional energy focusing device. No matter where the laser beam irradiates the directional energy focusing device, its energy will be focused to the focal position, and the focal length can be fine-tuned through the cooperation of the motor and the drone. The detonator in the explosion-transmitting fixing device located at the focal point is burned and detonated when it receives the focused laser energy, thereby triggering the detonating cord for explosion transmission. Due to the fine-tuning effect of the focal length, the reliability of the burned detonation is higher. During the entire detonation process, the sea surface stabilization device works in real time to reduce the impact of sea surface shaking on the device, thereby ensuring the accuracy and reliability of the detonation. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the present invention.
[0011] Figure 2 A schematic diagram of the main structure of a workbench of the present invention.
[0012] Figure 3 It is a schematic diagram of the main structure of the floating body of the present invention.
[0013] Figure 4 It is a schematic diagram of the structure of the sea surface stabilizing device of the present invention.
[0014] Figure 5 It is a schematic diagram of the structure of the explosive transmission fixing device.
[0015] 1. Laser excitation device, 2. Directional energy focusing device, 21. Optical lens, 22. Workbench, 23. Motor, 24. Screw, 25. Mounting block, 26. Moving boss, 3. Laser shielding rod, 31. Detonating cord reserved hole, 32. Detonator reserved hole, 33. Explosion transmission gap, 34. Laser irradiation hole, 35. Filling layer, 4. Sea surface stabilization device, 41. Floating body, 42. Support gantry, 43. Gravity stabilization frame, 44. Counterweight, 45. Heading axis stabilizer, 46. Roll axis stabilizer, 37. Pitch axis stabilizer. DETAILED DESCRIPTION
[0016] The present invention will be further described below in conjunction with the accompanying drawings.
[0017] like Figures 1 to 5 As shown, a laser offshore remote detonation device of the present invention comprises a laser excitation device 1 and a monitoring drone located on the shore, a sea surface stabilization device 4 is provided on the sea surface far from the shore, the sea surface stabilization device 4 comprises a floating body 41, an attitude stabilization device is installed on the floating body 41, a workbench 22 is provided on the attitude stabilization device, an optical lens 21 is installed on one side of the workbench 22, a laser shielding rod 3 is installed on the other side, an explosion transmission fixing device is installed on the laser shielding rod 3, a groove is provided on the workbench 22, a motor 23 is placed in the groove, the motor 23 is fixed in the groove through a cover plate, the groove is connected to the through groove, the laser shielding rod 3 is connected to the movable boss 26 at the bottom, and the movable boss 26 is provided with a threaded hole The motor 23 is connected to the screw 24, the screw 24 is used in conjunction with the threaded hole, the monitoring drone is connected to the controller, and the controller is connected to the motor 23; when long-distance offshore blasting is required, the optical lens 21 focuses the laser beam to shoot the spot size at the focal position through drone monitoring, and the motor 23 works to drive the screw 24 to rotate, thereby driving the laser shielding rod 3 to move, thereby adjusting the distance between the optical lens 21 and the explosion-transmitting fixing device, and the laser beam generated by the laser excitation device 1 is directed to the optical lens 21, and its energy will be focused to the focal position. The detonator in the explosion-transmitting fixing device located at the focal point is burned and detonated when receiving the focused laser energy, thereby triggering the detonating cord for explosion transmission.
[0018] In the present invention, the explosive transmission fixing device includes a fixed body, a detonator reserved hole 32, a detonating cord insertion hole 31 and a stabilizing structure. The fixed body is a rectangular shell made of high-strength material. The top and bottom ends of the fixed body are provided with a filling layer 35, and the middle of the fixed body is provided with a hollow layer. The fixed body is provided with a detonator reserved hole 32 and a detonating cord insertion hole 31 that are tangentially arranged, wherein the detonator reserved hole 32 and the detonating cord insertion hole 31 are both arranged in the filling layer 35 at the top and bottom ends of the fixed body, and the inner diameters of the detonator reserved hole 32 and the detonating cord insertion hole 31 are consistent. A mounting block 25 is provided at the end of the movable boss 26, and the movable boss 26 is clamped in the through groove by the mounting block 25. A roller is installed on the inner surface of the mounting block 25, and the roller is located on the surface of the workbench 22. The attitude stabilization device includes a support gantry 42 installed on a floating body 41, a gravity stabilization frame 43 is installed on the support gantry 42, a connecting rod is installed on the gravity stabilization frame 43, a counterweight 44 is provided at one end of the connecting rod, and a yaw axis stabilizer 45 is provided at the other end, the yaw axis stabilizer 45 is connected to the roll axis stabilizer 46 and the pitch axis stabilizer 47 in sequence, and the pitch axis stabilizer 47 is connected to the workbench 22.
[0019] In the present invention, a laser irradiation hole 34 is reserved on the side of the fixed body close to the detonator reserved hole 32, and the height of the laser irradiation hole 34 is consistent with the height of the hollow layer of the fixed body, and the laser irradiation hole 34 can be connected to the hollow layer in the middle of the fixed body. The laser irradiation hole 34 is mainly used for long-distance laser ignition and detonation operations. The stable structure is respectively arranged on the inner side of the detonator reserved hole 32 and the detonating cord insertion hole 31, and the stable structure includes a support layer and an anti-skid buffer layer. The support layer is coated on the outside of the anti-skid buffer layer, and the sides of the support layer and the anti-skid buffer layer are provided with tangent grooves. The inner side of the anti-skid buffer layer is an anti-skid layer with multiple circles of protrusions, and the outer side of the anti-skid buffer layer is provided with multiple rings along the axial direction. Support ribs are embedded in each ring, and the support ribs can connect the anti-skid buffer layer with the support layer.
[0020] In actual application, the detonator is inserted into the detonator reserved hole 32, and the detonating cord is inserted into the detonating cord insertion hole 31. The support and buffer layer on the inner wall of the insertion hole can effectively fix the detonator and the detonating cord and reduce the undesirable displacement during the operation. The material of the main structure enables it to adapt to harsh working environments.
[0021] A detonation method for a laser offshore remote detonation device comprises the following steps: (1) Starting the laser excitation device 1 to generate a high-energy laser beam; (2) Adjust the laser emission direction so that it is accurately aimed at the directional energy focusing device 2; (3) The laser beam is irradiated onto the directional energy focusing device 2, and the motor 23 is operated to adjust the focal length, and the energy is focused to the focal point; (4) The detonator at the focal point is burned by the laser, triggering the explosion. The detonating cord transfers the explosion energy underwater, achieving detonation.
[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A laser remote detonation device at sea, characterized in that: It includes a laser excitation device and a monitoring drone located on the shore. A sea surface stabilization device is arranged on the sea surface far away from the shore. The sea surface stabilization device includes a floating body, and an attitude stabilization device is installed on the floating body. A workbench is arranged on the attitude stabilization device. An optical lens is installed on one side of the workbench, and a laser shielding rod is installed on the other side. An explosion transmission fixing device is installed on the laser shielding rod. A groove is arranged on the workbench, and a motor is placed in the groove. The motor is fixed in the groove through a cover plate, and the groove is connected to the through groove. The lower part of the laser shielding rod is connected to a movable boss, and the movable boss is provided with a threaded hole. The motor is connected to a screw rod, and the screw rod and the threaded hole are used in conjunction with each other. The monitoring drone is connected to a controller, and the controller is connected to the motor. When long-distance offshore blasting is required, the size of the light spot irradiated at the focal position by focusing the laser beam on the optical lens is monitored and photographed by the drone, and the screw rod is driven to rotate by the motor, thereby driving the laser shielding rod to move. , thereby adjusting the distance between the optical lens and the explosion-transmitting fixing device, the laser beam generated by the laser excitation device is directed to the optical lens, and its energy will be focused to the focal position, and the detonator in the explosion-transmitting fixing device located at the focal point is burned and detonated when receiving the focused laser energy, thereby triggering the detonating cord to transmit the explosion; the explosion-transmitting fixing device includes a fixed body, a detonator socket, a detonating cord socket and a stabilizing structure, the fixed body is a rectangular shell made of high-strength material, the top and bottom ends of the fixed body are provided with filling layers, the middle of the fixed body is provided with a hollow layer, the fixed body is provided with a detonator socket and a detonating cord socket that are tangentially arranged, wherein the detonator socket and the detonating cord socket are both arranged in the filling layers at the top and bottom ends of the fixed body, and the inner diameters of the detonator socket and the detonating cord socket are consistent; a laser irradiation hole for laser irradiation is reserved on the side of the fixed body close to the detonator socket, and the laser irradiation hole can be connected to the hollow layer in the middle of the fixed body.
2. The laser remote detonation device at sea according to claim 1 is characterized in that: A mounting block is arranged at the end of the movable boss, and the movable boss is clamped in the through groove through the mounting block.
3. The laser remote detonation device at sea according to claim 1 is characterized in that: The inner surface of the mounting block is provided with a roller, and the roller is located on the surface of the workbench.
4. The laser remote detonation device at sea according to claim 1 is characterized in that: The attitude stabilizing device includes a supporting gantry installed on a floating body, a gravity stabilizing frame installed on the supporting gantry, a connecting rod installed on the gravity stabilizing frame, a counterweight is provided at one end of the connecting rod, and a yaw axis stabilizer is provided at the other end, the yaw axis stabilizer is connected to the roll axis stabilizer and the pitch axis stabilizer in sequence, and the pitch axis stabilizer is connected to the workbench.
5. The detonation method of the laser offshore remote detonation device according to claims 1 to 4 comprises the following steps: (1) Start the laser excitation device to generate a high-energy laser beam; (2) Adjust the direction of laser emission so that it is accurately aimed at the directional energy focusing device; (3) The laser beam is irradiated onto the directional energy focusing device, and the energy is focused to the focal point; (4) The detonator at the focal point is burned by the laser, triggering the explosion. The detonating cord transfers the explosion energy underwater, achieving detonation.