8results about How to "Guaranteed blasting effect" patented technology

The utility model discloses a high security liquid oxygen blasting device, including a plurality of liquid oxygen explosion pipe, each liquid oxygen explosion pipe all is installed with branch line, a plurality of branch line common installation has main line, the end of main line is installed with two plug -in post, one side of two plug -in post common is equipped with detonator, the top of detonator is installed with protective cover, be equipped with limiting mechanism on the protective cover, be equipped with four adjusting mechanism on the protective cover, the outer wall fixed connection of detonator has two C type handle that is symmetrically set, install rotary button on detonator, be equipped with two insertion slot on detonator, two plug -in post all cooperate with insertion slot. The utility model discloses through the setting of protective cover and its limiting mechanism, can reliably isolate sundries, greatly promote operation security, the adjusting mechanism on protective cover can adjust support leg height flexibly, make control equipment also can keep level on the uneven ground, be convenient for staff operation.

The utility model relates to operation equipment technical field especially, it is tunnel blasthole operation equipment with multi -way stuffing function. It mainly aims at the traditional tunnel blasthole stuffing adopts the pipeline perpendicular to tunnel wall, because the quantity of tunnel blasthole is many, the position is complex, leads to this mode to be difficult to flexibly aim at the blasthole of non - perpendicular or tricky position, there is the problem that the operation is complicated, the efficiency is low, and the following technical scheme is proposed, including the fixed pipe of setting in blasthole one side, the fixed pipe is away from blasthole one end and is provided with the guide pipe, the steering assembly is connected in the fixed pipe with the guide pipe between, the steering assembly is used for adjusting the orientation of guide pipe, the medicine pushing mechanism is installed in the fixed pipe side, the medicine pushing mechanism is used for pushing the medicine bag and inserts it into the blasthole, the let - go component is arranged on the medicine pushing mechanism, and the let - go component is used for letting - go. The utility model has improved the convenience and quality of stuffing operation, and has enhanced the blasting effect and construction safety.

This invention discloses a high-temperature resistant downhole emulsion explosive and its preparation method, belonging to the field of emulsion explosive technology. The emulsion explosive comprises an aqueous phase material, an oil phase material, and a sensitizer, with a mass ratio of (88-96):(4-12):(0.8-2.0). The aqueous phase material, by mass parts, includes the following raw materials: 70-80 parts ammonium nitrate, 4-6 parts sodium nitrate, 5-8 parts urea, 0.1-0.6 parts chitosan quaternary ammonium salt, and 10-20 parts water. The oil phase material, by mass parts, includes the following raw materials: 50-70 parts composite oil phase and 20-40 parts composite emulsifier, which includes Span80 and polyisobutylene succinimide derivatives. This invention involves adding the aqueous phase material to the oil phase material, adding the sensitizer to the emulsion matrix formed by emulsification, and stirring to prepare the emulsion explosive. The emulsion explosive provided by this invention is suitable for use in deep well high-temperature environments and exhibits good high-temperature stability.

This invention relates to the field of borehole charging and sealing technology, specifically a vehicle-mounted, fan-shaped, upward-facing borehole charging and sealing device. It includes a charging and sealing mechanism, an angle adjustment mechanism, and a moving and lifting mechanism. The moving and lifting mechanism includes an unmanned vehicle (UAV); a lifting platform is fixed on the UAV. The angle adjustment mechanism includes a base fixed to the lifting platform; a servo cylinder is hinged to the base; a swing arm is hinged to both the base and the servo cylinder; a lower crossbeam and an upper crossbeam are mounted on the swing arm. The charging and sealing mechanism includes a servo motor mounted on the lower crossbeam and a delivery pipe mounted on the upper crossbeam; an end cap is sealed at the lower end of the delivery pipe; and a delivery auger is installed inside the delivery pipe. This invention solves the problems of time-consuming and labor-intensive operation, poor charge density, and poor sealing performance of existing borehole charging and sealing technologies when applied to fan-shaped, upward-facing boreholes. It is suitable for blasting projects such as mining and tunneling.

This utility model proposes a mounting device for sandblasting a front fork, including a mounting base, a vertical rod, a fixing plate, a telescopic rod, and positioning components. The upper end of the vertical rod is fixed to the lower end of the mounting base. The fixing plate is mounted on the vertical rod, and the telescopic rod is mounted on the circumference of the fixing plate. The telescopic rod has multiple vertical mounting holes, and the positioning components are installed in the vertical mounting holes. The front fork is mounted between two adjacent positioning components. This solution uses a rod-shaped component to directly suspend and mount the front fork. The positioning components prevent excessive movement of the front fork, reduce obstruction of the front fork, and facilitate more thorough sandblasting, thereby improving the quality of the front fork and ensuring the sandblasting effect.

The application discloses a non-coupling type interval charge line bucket fixing device. The non-coupling type interval charge line bucket fixing device comprises a pay-off device for releasing a traction line, an assembling device for assembling the traction line and an explosive bucket, and a mounting table for mounting the pay-off device and the assembling device. The assembling device comprises a bearing table for bearing the explosive bucket, a pulling mechanism for pulling a handle of the explosive bucket, a shifting mechanism for driving the bearing table and the pulling mechanism to move, and a bolt mechanism for inserting a bolt into the explosive bucket. The bearing table and the pulling mechanism are mounted on the shifting mechanism, and the bolt mechanism is mounted on the mounting table. The non-coupling type interval charge line bucket fixing device can fix the traction line and the explosive bucket, can replace manual work, and can ensure the interval accuracy of the explosive buckets.

The present application relates to the technical field of explosive mixing and loading in cold open-pit mine, and particularly discloses a borehole ice-breaking and de-icing device and method for explosive mixing and loading vehicle in cold open-pit mine. The borehole ice-breaking and de-icing device comprises a device body, a feeding port at the top end of the device body is in communication with a discharge pipe of the explosive mixing and loading vehicle; a walking mechanism, an ice-breaking mechanism, a monitoring system, a heater and a water suction pipe are installed on the device body; the monitoring system is used for detecting the temperature in the borehole and real-time detecting the ice formation in the borehole, and transmitting the detection data to a control processing center in real time; the end of the water suction pipe is connected with a water suction pump; the walking mechanism, the ice-breaking mechanism, the monitoring system, the heater and the water suction pump are electrically connected with the control processing center. The present application can be used with the existing explosive mixing and loading vehicle to clean the ice in the borehole; and the charging speed can be dynamically adjusted according to the charging flow monitoring.

The utility model relates to the technical field of coal mines, in particular to a blast hole sealing device for coal mine underground top cutting blasting, which is characterized in that the top of a top frame is fixedly connected with a top plate, the top of the top plate is fixedly connected with a hydraulic oil cylinder through a bolt, and an output shaft of the hydraulic oil cylinder penetrates through the top plate and is fixedly connected with the top of a fixed plate; a plurality of supporting rods are fixedly connected to the bottom of the fixing plate, the extending ends of all the supporting rods sequentially penetrate through the top of the top frame and the side wall of the bearing cylinder, and an annular plate is fixedly connected to the bottom of the fixing plate. Through the design of the supporting rod and the inserting rod, connection between the hole sealing device and the inner wall of the blast hole is firmer, the problem that traditional hole sealing materials such as yellow mud fail to be sprayed out due to axial impact force generated by explosive explosion is solved, and therefore the overall stability and sealing performance of blast hole sealing are improved; the whole device can be tightly attached to the inner wall of the blast hole, and stability is achieved through a mechanical structure instead of a loose hole sealing agent.