232 results about "Detonator" patented technology

The invention discloses a method and device for automatically grabbing detonators. A device for grabbing the detonator is arranged on a middle blocking production line or an opening closing production line of the detonator; a group of expansion heads are arranged at the bottom of the device; the opening of the detonator is expanded and clamped by the expansion heads through the lifting of a cylinder control device and the deformation of the expansion heads to realize the purpose that the detonator is automatically taken out from a detonator filling mould. In the invention, the expansion heads controlled by machinery are adopted, and the opening of the detonator is expanded and clamped after the expansion heads are deformed, so that the detonator is automatically taken out from the detonator filling mould. A plurality of expansion heads are arranged at the same device, thus a plurality of detonators can be taken out by one device at one time, thereby greatly improving the production efficiency. The method provided by the invention is simple; and the adopted device is easy to manufacture, and has a good using effect.

The invention discloses an unmanned aerial vehicle catching gun grenade, and relates to the technical field of unmanned aerial vehicle defense. The gun grenade comprises an air cap, a heavy hammer part sleeve, a catching net, a net expanding exploder and a cartridge case. The heavy hammer part sleeve is formed by combining a plurality of split heavy hammer blocks, and the rear end of the heavy hammer part sleeve is hooped by a brittle constraint ring. The net expanding exploder comprises a delay ignition unit and an explosion initiation unit. After launching, the delay ignition unit triggers the detonation unit after delaying a preset time to generate impact to crush the brittle constraint ring, so that the heavy hammer block carries the catching net to be scattered and unfolded at a high speed, and interception is realized. The device is compact in structure, low in cost and high in reliability, can be launched through a gun grenade launcher, is particularly suitable for being carried and used by an individual soldier, and can effectively cope with the threat of a small-sized high-speed unmanned aerial vehicle.

The invention provides a tunnel contour high-precision explosion control method based on lumpiness uniformity optimization, which comprises the following steps of: fusing multi-source geological data to construct an updatable model, and triggering encryption measurement and correction by deviation; training a depth model by using a historical multi-modal case, and generating an initial blasting parameter; multi-objective optimization is carried out with the minimum back break, the maximum block yield and the minimum unit consumption as objectives, and gradient charge changing along with the hole depth is obtained; simulating a crack and a wave field in digital twinning, optimizing a detonation sequence to form destructive interference on a contour surface, establishing an electronic detonator network for self-inspection, and then performing blasting; evaluating the radial deviation by point cloud alignment after explosion, calculating the particle size and the qualified rate by images, generating a thermodynamic / cloud picture, and carrying out early warning and shutdown when the threshold value is exceeded; and on the basis of monitoring feedback and reinforcement learning self-adaptive adjustment, contour and lumpiness closed-loop optimization is realized.

An explosives detonator is configured to be moved across land by a vehicle platform to detonate explosives positioned on or in the land. The explosives detonator includes a frame and a plurality of rollers coupled to the frame. The plurality of rollers are configured to engage and roll along the land relative to the frame about respective roller axes as the vehicle travels along the land. The rollers are weighted to exert pressure on the land and activate any pressure-sensitive explosives, such as mines.

An explosives detonator is configured to be moved across land by a vehicle platform to detonate explosives positioned on or in the land. The explosives detonator includes a frame and a plurality of rollers coupled to the frame. The plurality of rollers are configured to engage and roll along the land relative to the frame about respective roller axes as the vehicle travels along the land. The rollers are weighted to exert pressure on the land and activate any pressure-sensitive explosives, such as mines.

A perforating gun includes a gun assembly and a gun barrel. The gun assembly includes a charge tube comprising at least one shaped charge. A pin contact assembly is operably attached to a first end of the charge tube and includes a contact spacer and a through pin configured to provide electrical communication between respective perforating guns. An addressable switch assembly is attached to a second end of the charge tube and comprises an addressable switch and a detonator. The gun assembly is situated within the gun barrel and is configured to self-orient inside the gun barrel.

The utility model relates to the technical field of blasting detonator, disclose a kind of triple waterproof wire card, including upper cover and lower shell, the lower shell is provided with the spring leaf for the bus and foot line card into, the upper cover is protruding with the first reinforcing rib of circumferential closure, the lower shell is provided with sealing ring around spring leaf, when the first reinforcing rib and sealing ring interference fit when upper cover and lower shell cover;The sealing ring is also provided with the bus sheath that can be inserted into the bus of the sealing ring, and the foot line sheath that can be inserted into the foot line, the sealing ring inside is also protruding with second reinforcing rib.The triple waterproof structure design of bus sheath+sealing ring+the rectangular second reinforcing rib of protruding can make wire card can be completely soaked in underwater 5m deep environment Normal work four hours.

A detonator for a perforating gun. The detonator is used to ignite a detonator cord in a charge tube for a perforating gun assembly, which in turn is used for perforating a wellbore. The detonator includes a cartridge. The cartridge comprises a tubular body having a first end; and a second end. Preferably, the tubular body is fabricated from a metallic material. The detonator also comprises a post proximate the first end of the tubular body. The post is configured to be in electrical communication with a first leg wire connected to an addressable switch. Alternatively, the post is in contact with the end of a detonation pin. The detonator also has a fuse head within the bore of the tubular body, and a fuse wire. The fuse head is in contact with the explosive charge material. The detonator is releasably snapped into a compartment located within the charge tube.

The invention discloses an explosive-proof rod mechanism started in place based on inertia, and belongs to the technical field of fuze explosive-proof mechanisms. The explosive-proof rod mechanism comprises a body, an explosive-proof part and a guide pin part; the body is internally provided with a shaft hole used for the explosion-proof part to move in the axial direction, and the explosion-proof part comprises an explosion-proof rod and a spring. The explosion-proof rod comprises an explosion-proof tube shell, a detonating grain is arranged in the explosion-proof tube shell, and a curve groove extending from the top to the bottom is formed in the side face of the explosion-proof tube shell. A guide pin component is arranged in the body, and a guide pin of the guide pin component extends into the curve groove in an explosion-proof state and can move out of the curve groove and extend out to clamp the explosion-proof rod after the explosion-proof component moves in place; and the body is also provided with an electric detonator. The invention further discloses a safety system of the explosion-proof rod mechanism. The movement time of the explosion-proof part is prolonged, the explosion-proof part is prevented from instantly moving in place under the large overload condition, meanwhile, the in-place self-locking function is achieved, a safety system of the explosion-proof rod mechanism is locked through a two-stage safety mechanism, and safety and reliability are achieved.

An ejection device (100) for a gas generator, the ejection device (100) for ejecting a combustion product, comprising: a detonator (101) with an ignition charge and an ignition area (102) designed to burn the ignition charge; a pyrotechnic device (121) arranged to be burned by burning the ignition charge; a cup (104) made of metal, wherein the cup (104) has a base (107) and a peripheral wall (105), wherein the bottom surface (107) is arranged opposite the ignition area (102), the peripheral wall (105) adjoins a peripheral edge of the bottom surface (107) and is arranged to surround the ignition area (102), wherein the cup (104) further comprises a receiving space (120) which is defined by the peripheral wall (105) and the floor area (107) is formed and receives the pyrotechnic agent (121), wherein the bottom surface (107) of the cup (104) contains a through-hole (108) through which the receiving chamber (120) and an exterior area of ​​the cup (104) are connected, wherein the through-hole (108) is formed by several peripheral through-hole edges (108a, 108b, 108c, 108d), and the adjacent peripheral through-hole edges (108a, 108b, 108c, 108d) are connected to each other at a predetermined connection point, the through-bore (108) contains a narrow part (115) in which the width of the through-bore (108), formed by each of parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d) of the several peripheral through-bore edges (108a, 108b, 108c, 108d), gradually decreases with increasing distance from a center of the bottom surface (107) to the peripheral edge of the bottom surface (107), and the narrow part (115) is closer to the peripheral edge of the bottom surface (107) than a non-narrow part (125) formed by each of the other parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d), and the narrow part (115) is a predetermined part in which stress due to the emission of the combustion product is concentrated, and the bottom surface (107) is designed to be split starting from the narrow part (115), and the peripheral wall (105) is designed to be split.

The invention discloses a wireless detonator inserting device for vertical blast hole charging, which belongs to the technical field of blasting engineering machinery and comprises an advancing mechanism, a cartridge clamping mechanism and a detonator inserting mechanism. According to the cartridge clamping mechanism, clamping blocks distributed in a long-strip-shaped annular array and a bottom supporting block cooperate to achieve uniform holding and stable bearing of the whole column of cartridges. The detonator inserting mechanism forms a high-precision linear motion unit through a positioning seat capable of vertically moving and a sliding barrel with a detonator forward-pushing long rod, the position can be adjusted according to the blasting depth, a wireless detonator is accurately and straightly inserted into a cartridge in the radial direction, and a rubber head at the end of the forward-pushing long rod of the detonator inserting mechanism effectively prevents the detonator from being damaged. The traditional dangerous manual operation is changed into mechanical operation, and the safety and efficiency of blasting charge operation are remarkably improved.

The application discloses a low-cost explosion-proof delay fuse for a grenade, which comprises a body, a rotating shaft, a torsion spring, a safety pin, a fire isolation cup, an impact primer, a primer seat, a blunt flame delay detonator, a flap, a grip piece, a striker and a quick-release pin, and meets the requirement of explosion-proof safety. The striker is arranged in a straight line on the blunt flame delay detonator, and the impact primer is fixed on the flap in a spatially staggered and isolated state. The quick-release pin and the safety pin, which are manually released by different actions, serve as the redundant safety of the flap. Before throwing, the two safeties are manually released when the grip piece is gripped. After throwing, the grip piece falls off, the impact primer on the flap rotates around the rotating shaft under the action of the torsion spring, hits the striker and fires, high-temperature and high-pressure gas passes through the fire transmission hole on the striker, triggers the blunt flame delay detonator, and explodes the main charge in the grenade body after a predetermined delay. The application has a simple and compact structure, a short exposed grenade body and low cost.

The utility model discloses an auxiliary equipment for detonator shell stamping relates to detonator shell processing technical field, including industrial camera main part and first conveyer belt, the inside of installation box is symmetrically equipped with first conveyer belt, be equipped with a plurality of installation seat between two first conveyer belt, all install seat is symmetrically equipped with sliding groove rod, and the sliding groove rod is equipped with the industrial camera main part and is equipped with the industrial camera main part. And rotating mechanisms are arranged above the mounting bases, and a discharging mechanism is arranged on the inner side of the mounting box. A plurality of mounting seats are arranged between two first conveying belts, sliding groove rods are symmetrically arranged on the mounting seats, a rotating mechanism is arranged, so that two clamping plates clamp and fix a tube shell, and a conical friction wheel is matched with a friction belt to drive the tube shell to rotate; and through the arrangement of the discharging mechanism, defective products can be conveniently discharged.

The present invention allows preemptive prevention of accidents of unintentional fuse detonation by equipping a rotor, which allows a fuse to be ignited by aligning detonation and connection pipes as the rotor rotates, with a double safety pin structure in which the restraint of the rotor is released only under bullet firing conditions that give rise to strong backward inertial force and rotational force. Additionally, unintentional harm to friendly forces area can be prevented by precisely adjusting loading time and increasing fuse safety distance via detent and gears and levers that adjust the rotor rotation time.

The application discloses a kind of plasma high-pressure ignition device, it is related to electronic detonator initiation technology adjacent area, to solve the technical problem of low ignition power, energy leakage is serious, low airtightness of traditional ignition device, provide a kind of energy concentration, airtightness strong plasma high-pressure directional ignition device.The core structure includes high-pressure ignition module, semiconductor bridge, fuse, test hole, sealing wrapping layer and integrated metal tube shell.The igniter adopts integrated structure design, and high-pressure ignition module, semiconductor bridge and explosion-proof protection module are integrated;By using high-temperature resistant sealant to fill the gap between the metal tube shell, a pressure environment above 0.5MPa is achieved to prevent leakage;The device can be widely used in gas turbine, aerospace thruster, oil drilling equipment and other high-pressure scene ignition system, with reliable sealing, stable structure, easy assembly.

The utility model discloses a kind of 48 millimeter detonation bomb of deterrent type hand-throwing type riot, including firing mechanism and medicine box mechanism, firing mechanism includes fuse body, grip piece and needle prick delay detonator, still movably connected with pin shaft and split pin on fuse body, still connected with spring and firing pin block assembly on pin shaft, firing pin block assembly includes firing pin and turnover block, firing pin block assembly has first position and second position, when first position, spring is in compression state under the action of turnover block, and spring reset can drive firing pin block assembly to rotate from first position to second position;Split pin is connected with pull ring;Medicine box mechanism includes shell, inner medicine box and end cover, inner medicine box is filled with detonating agent, needle prick delay detonator extends into detonating agent, filling chamber is opened in shell, filling chamber is filled with paraffin wax.This scheme can emit greater sound and strong light, suitable for use in vast space, and can carry out more accurate strike.

The application belongs to the technical field of detonator production, and provides a process for automatic boxing and secondary distribution of boxed base detonators, which comprises a transfer box, the bottom end of the transfer box is fixedly connected with a conveying plate, a mounting mechanism is arranged on the inner side wall of the transfer box, the mounting mechanism comprises mounting grooves and mounting bolts, the mounting grooves are arranged in multiple numbers on the outer side wall of the transfer box, the mounting bolts are arranged in multiple numbers on the inner side wall of the transfer box, and multiple through holes are arranged on the outer side wall of the transfer box; the two transfer boxes can be spliced together through the arrangement of the mounting bolts, the storage of detonators is facilitated, the sliding block can slide in the connecting sliding groove through the pulling of the sliding door plate, the detonators are facilitated to enter, the transfer boxes can be stacked and stored through the splicing between the convex tenon and the concave mortise, the overall strength of the transfer box can be increased through the reinforcing ribs, and the stability of the transfer box in use is ensured.

A fireworks kit can have a set of fireworks having multiple fireworks of different types and a plurality of detonators in communication with the fireworks that are configured to launch or detonate a firework attached thereto. A remote controller or mobile device can be in communication with the detonators and operable to provide dynamic or user customizable control of detonation, launching, or ignition of the fireworks.

Connection of detonation tube and lightweight instantaneous fuse for a residue- free explosive system of non-electric detonator that consists of the tube (2), in longitudinal opening of which at least one cylindrical seal (3, 3', 4) having inner longitudinal opening arranged on one side of the connection (1) to insert the detonation tube (5) and on the other side of the connection (1) to insert the lightweight instantaneous fuse (6) is attached irremovably. The inserted ends of the detonation tube (5) and the lightweight instantaneous fuse (6) are attached in the seal (3, 3', 4) also irremovably.

The utility model discloses a circuit substrate structure as well as an electronic detonator control module and an electronic detonator comprising the circuit substrate structure, and belongs to the technical field of initiating explosive devices. The circuit substrate structure comprises a body, the body is of a long-plate-shaped structure, the body is provided with a containing through groove used for containing an energy storage capacitor, the containing through groove extends in the length direction of the body, the body forms a wide-edge bridge on one side of the containing through groove in the width direction, and the body forms a narrow-edge bridge on the other side of the containing through groove in the width direction. The narrow-side bridge is arranged right opposite to the wide-side bridge, the width size of the wide-side bridge is larger than that of the narrow-side bridge, and when the energy storage capacitor is placed in the placing through groove, the energy storage capacitor is located on the inner side of the placing through groove in the horizontal direction; and the narrow-side strength enhancing structure is arranged on the narrow-side bridge and is used for enhancing the strength of the narrow-side bridge. The circuit substrate structure provided by the utility model is beneficial to reducing the size of the protruding body of the energy storage capacitor and improving the reliability and stability of the energy storage capacitor.

This invention relates to a zero-residue multi-stage deflagration fracturing method and system, addressing the problems of existing deflagration fracturing devices, such as well-water pollution, failure to achieve the expected fracturing effect, and low efficiency. The multi-stage deflagration fracturing method includes: Step 1: Preparing the deflagration fracturing charge, central tube, and guide plug in the deflagration fracturing system using a combustible material that is soluble in chloride ions; Step 2: During operation of the deflagration fracturing system, a detonator ignites the central tube and the deflagration fracturing charge; Step 3: The central tube burns, the deflagration fracturing charge deflagrates, and the guide plug burns simultaneously, thus performing multi-stage deflagration fracturing; Step 4: After deflagration fracturing is completed, the residue from the central tube, deflagration fracturing charge, and guide plug falls into the well water, where it dissolves completely, achieving zero residue. To achieve the above method, this invention also proposes two zero-residue multi-stage deflagration fracturing systems.

This invention discloses an underwater electronic detonator initiation control device and control system, belonging to the field of pyrotechnic initiation control technology. The underwater electronic detonator initiation control device includes: a lower shell, within which a hollow cavity is formed, with an upper opening forming an open end, and an annular protrusion connected to the outer periphery of the open end; an upper shell, within which a hollow cavity is formed, with a lower opening forming an open end, and an annular protrusion connected to the outer periphery of the open end; the hollow cavity is connected to the hollow cavity to form an installation cavity; an initiation control unit, disposed within the installation cavity, for communication with the electronic detonator; a sealing assembly, installed between the annular protrusion and the annular protrusion; and a locking mechanism connected between the lower and upper shells. This underwater electronic detonator initiation control device improves the reliability of underwater blasting.

The application discloses a detonation and control integrated module, which comprises a bearing main body, an input contact assembly, an output contact seal assembly, a detonator and a coding switch are installed on the bearing main body, the first end of the input contact assembly can be in contact and conduction, the second end of the input contact assembly is in conduction with the input end of the coding switch, the second end of the output contact seal assembly can be in contact and conduction, the first end of the output contact seal assembly is in conduction with the output end of the coding switch, the detonator is in conduction with the detonator positive and negative wiring end of the coding switch, and the ground wire end of the coding switch is in conduction with the bearing main body. The above-mentioned detonation and control integrated module realizes high integration of the perforating detonation unit, and assembly can be completed in a pyrotechnic workshop.

This invention provides a hydraulically operated safe detonation device, relating to the field of oil and gas well completion technology. It includes: a housing, an inner core assembly embedded within the housing, and a sliding valve assembly located on one working face of the inner core assembly. The housing is a cylindrical hollow structure with a connecting hole for connecting to the sliding valve assembly. The housing has a preset receiving space for installing the inner core assembly. The inner core assembly is adapted to the working dimensions of the receiving space. The sliding valve assembly is connected to the housing via an internal hexagonal screw and is located in the middle of the housing. Under normal ground pressure, this invention automatically isolates the detonation transmission channel between the detonator and the perforating gun. Even if the detonator is accidentally triggered, its explosive energy cannot be transmitted to the perforating gun string, completely eliminating the safety hazard of accidental explosion of the perforating gun string during surface maintenance.

This invention discloses a low-vibration blasting method for mining transition material based on digital electronic detonators, belonging to the field of blasting engineering technology. The invention includes drilling boreholes in a weakly weathered to fresh gneiss source area according to preset borehole network parameters; verifying the boreholes to obtain actual borehole depth data; calculating the charge amount and charge length per hole based on the borehole network parameters, explosive consumption per unit area, and actual borehole depth data; calculating the minimum filling length based on the chassis resistance line and filling coefficient; verifying the actual filling length and adjusting the charge amount per hole until the requirements are met; determining the continuous coupling charge structure and loading the explosives; placing digital electronic detonators in the middle of the charge section and connecting them to form a detonation network; scanning for interference sources and planning detour routes using an electromagnetic interference detector before detonation; setting the inter-row delay time before detonation; and obtaining transition material with satisfactory gradation. This invention can improve mining efficiency and quality and is suitable for the transition material requirements of infrastructure projects.

The invention provides a non-contact measurement method and system for the internal average opening degree of a high-position dangerous rock mass crack, and the method comprises the steps: carrying out the preliminary recognition of a dangerous rock mass through photographing equipment, and obtaining a preliminary recognition result; based on the preliminary recognition result, detonators are hoisted at the same height of the dangerous rock body, the explosive loading amount and the detonating distance are controlled, and the detonators are detonated; performing system identification on the dynamic normal stress time travel curve and the relative normal vibration speed time travel curve, and calculating the equivalent dynamic stiffness of the tension fracture under the dynamic load; and based on the equivalent dynamic stiffness, the initial average open degree of the outcrop and a fracture stiffness-open degree relation model calibrated through an indoor test, the internal average open degree of the high-position dangerous rock mass fracture is obtained through inversion. Through a non-contact measurement-model intelligent inversion technology chain, efficient and accurate measurement of the fracture opening of the dangerous rock mass is realized, and an innovative solution is provided for geological disaster prevention and control.

The invention relates to an experimental device and method for preventing a quadratic type cloud explosive bomb from fire channeling. The device comprises a cloud explosive bomb main body which is a hollow pipe containing central initiating explosive and cloud explosive fuel, an upper end opening is detachable, and a plurality of notch grooves are distributed in the inner side wall of the cloud explosive bomb main body. The central tube is filled with the porous material, the inert explosion suppression dust is uniformly dispersed in pores of the porous material, and explosion flame propagation of the central initiating explosive is inhibited under the combined action of the porous physical structure and the chemical explosion suppressant, so that the fire channeling phenomenon is prevented. The center initiating explosive is tightly connected with the detonator, and the detonator is fixed through a center initiating detonator plug. And the ignition delay system is used for controlling the initiation time sequence of the central primer detonator and the secondary primer detonator. The method can prevent the fire channeling phenomenon of the cloud explosive bomb, so that the damage power of the cloud explosive bomb is improved, and the method has the advantages of being simple in process, easy to operate, low in cost and suitable for batch production.

The utility model discloses a kind of gas combustion type gravel blasting pipes, belong to gravel blasting pipe technical field.It is provided with core combustion chamber in pipe body, oxygen storehouse is fixedly arranged in core combustion chamber, oxygen hole is opened in the side of oxygen storehouse center, oxygen sealing strip that oxygen hole is sealed is arranged on oxygen hole, the top of pipe body is fixedly connected with expansion cap, the inside of expansion cap is hollow and is formed into gas storage warehouse, electric detonator is installed in the inside of expansion cap, the bottom of electric detonator extends into core combustion chamber.The utility model, when expansion cap is blocked to gravel lead hole, make gas explosion tube more stable and be fixed in lead hole, after pipe body detonation, the energy generated will be blown from lead hole, effectively reduce energy from lead hole leakage, gravel effect is better, and adopt hydrogen and oxygen as combustible gas, clean energy, more environmentally friendly and safe, after ignition, it can be detonated, detonation efficiency is high, meet engineering immediacy demand.

The application discloses an explosion-proof gun head device for cable transmission perforation and relates to the technical field of oil well drilling, and aims to solve the technical problem that the inside of the explosion-proof gun head is prone to safety hazards when repeatedly subjected to high temperature. The application is characterized in that the elastic wave section and the outward-pulling elastic sheet are made of the same material and synchronously deformed, the pre-tightening force increment is offset by one-time linear compensation of the compensation block, the creep acceleration cycle is broken, and the spring fatigue is delayed; the directional rotary movement of the compensation block is realized through the universal ball and the inclined guide gap, the secondary range compensation is completed by cooperating with the gradually changing arc side, the safe distance between the transmission thunder needle and the detonator is accurately kept, and the misfire is eliminated; the elastic section of the stable movement structure provides normal damping, the damping is adaptively enhanced with the compensation action, the static friction dead zone is eliminated, the piston flutter jamming is inhibited, the peak value damping of the secondary rotary movement is triggered, the piston violent movement caused by the suction effect is converted into controllable displacement, the action threshold drift is avoided, and the non-target layer mis-triggering is eliminated.