14results about How to "Improve blasting efficiency" patented technology

The feeding mechanism comprises a machine frame, a sand blasting bin is arranged on the machine frame, a feeding opening is formed in one side of the sand blasting bin, a columnar workpiece is connected to the machine frame in a sliding mode, an auxiliary feeding assembly and an overturning assembly are arranged on the machine frame, and the overturning assembly comprises a first motor arranged on the machine frame; an output shaft of the first motor is in transmission connection with a turnover shaft through a belt wheel and a belt, the turnover shaft is arranged in the length direction of the rack and rotationally connected to the rack, a plurality of turnover wheels are coaxially and fixedly arranged on the turnover shaft in the length direction, and the turnover wheels abut against the outer surface of the workpiece. The auxiliary feeding assembly drives the workpiece to move along the axis. The sand blasting device has the effect of improving the sand blasting efficiency of the columnar long material workpiece.

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 application relates to a high-performance aluminum profile sand blasting production line, which comprises a first conveying device, a second conveying device and a sand blasting device, the first conveying device is located at the front end of the sand blasting device, the second conveying device is located at the rear end of the sand blasting device, and doors are arranged at the front end and the rear end of the sand blasting device; a wind channel and a dust removal box are arranged at the top of the sand blasting device, one end of the wind channel is in communication with the inside of the sand blasting device, the other end is in communication with the inside of the dust removal box, an air outlet is arranged on the dust removal box, a partition plate is arranged in the dust removal box, the dust removal box is divided into a first space and a second space by the partition plate, the wind channel is in communication with the first space, the air outlet is in communication with the second space, ventilation holes are arranged on the partition plate, a filtering structure is arranged in the first space, and the filtering structure can automatically clean adhered sand dust. The production line is not easy to cause pollution of the working environment, and is beneficial to the physical health of workers.

The utility model discloses a strip mine blast hole charging structure above a goaf and a layered explosion control system, which adopt a subsection charging structure, adjacent explosive sections are separated by an air column, a buffer layer with a honeycomb structure is arranged between the explosive section at the bottommost layer and the bottom of a blast hole, the air column is arranged above the explosive section at the topmost layer, and the hole is sealed by stemming; the explosive section is filled in the blasting energy gathering pipe and is separated from the wall of a blast hole, a main stress compensation layer and an auxiliary buffer layer are sequentially and fixedly arranged close to the wall of a goaf top plate, the main stress compensation layer is laid by foam blocks, the auxiliary buffer layer is a hard plate, direct friction between the foam blocks of the main stress compensation layer and the goaf top plate is reduced, and local stress concentration is dispersed. According to the utility model, through directional energy release of the blast hole charging structure of the strip mine at the upper part and cooperation of active stress compensation and vibration monitoring in the goaf at the lower part, dual improvement of blasting efficiency and safety under the condition that the goaf exists is realized.

This utility model discloses a sandblasting device for cast steel parts, relating to the field of cast steel part processing technology. It aims to solve problems such as difficulty in supporting and driving large annular cast steel parts, uneven sandblasting, and poor sand recovery during sandblasting. The device includes a base, a sandblasting machine, and a recovery box. The base is equipped with multiple sets of arc-shaped support seats and drive seats, with support rollers and drive rollers working together to support and drive the cast steel parts. A collection bin and a cover form a sandblasting chamber, housing a U-shaped rotatable sandblasting pipe frame and nozzles. The sandblasting machine is connected to a high-pressure air source to transport sand, and the recovery box recovers sand under negative pressure using a blower. The drive system uses gear transmission, driving the cast steel parts to rotate through stable support. This provides stable support and effective drive for large annular cast steel parts, allowing them to rotate smoothly during sandblasting, facilitating all-around sandblasting and improving sandblasting quality and efficiency. Simultaneously, it enables timely sand recovery, enhancing both practicality and environmental friendliness.

The utility model discloses a sand blasting equipment for mould surface treatment, including the cabinet and setting in the controller of cabinet, collection groove, sand screening machine, sand blasting box, compressed gas output device, the collection groove sets up in the bottom of cabinet and is connected sand screening machine through the sand pump of drawing, sand screening machine sets up in the top of cabinet The bottom of sand blasting box is connected with the sand blasting head of extending into the cabinet, the side of cabinet is provided with Z axial drive mechanism, Z axial drive mechanism includes Z axial moving plate and Z axial drive arrangement, sand blasting box and compressed gas output device all set up in Z axial moving plate, be provided with the rotary placement platform of mould placement in the cabinet, the rotary placement platform includes mounting bracket and placement board, be provided with rotary drive arrangement on mounting bracket. Mould is placed in the placement board, and through the movement of sand blasting head of the rotation of itself, realizes more comprehensive to the mould surface and carries out the processing, is favorable to the sand blasting efficiency of sand blasting equipment.

This application relates to the field of tunnel engineering blasting technology, and provides a shaped charge hydraulic smooth blasting device for ultra-large cross-section mountain tunnels. It includes reinforced explosive, a first shaped charge tube, a second shaped charge tube, a third shaped charge tube, half-rolls of explosive, an electronic detonator, a detonating cord, a water bag, and a sandbag. The first, second, and third shaped charge tubes are arranged coaxially in sequence, with half-rolls of explosive at both ends of each tube. The detonating cord connects the half-rolls of explosive at both ends of the shaped charge tube. The reinforced explosive is located at the end of the first shaped charge tube furthest from the second shaped charge tube, and the electronic detonator is located at the reinforced explosive. The water bag is located at the end of the third shaped charge tube furthest from the second shaped charge tube, and the sandbag is located close to the water bag. The sandbag is used to block the blast hole, and the lead wire of the electronic detonator passes through the blast hole. This application improves the blasting effect of shaped charge blasting.

The utility model discloses a blast hole structure for improving the blasting excavation flatness of a rock foundation surface, which comprises a rock excavation foundation, a plurality of blast holes are arranged on the rock excavation foundation, a blasting assembly is arranged in each blast hole, the blasting assembly comprises a detonator, a detonator lead is arranged on the detonator, and the detonator lead is connected with the blasting assembly. The detonator leads extend outwards along the inner wall of the blast hole, the detonator leads are connected with the auxiliary leads, the auxiliary leads are connected with the main lead, and the main lead is connected with the trigger through the encoder; according to the blast hole structure for improving the blasting excavation flatness of the rock foundation surface, the dam foundation surface can be prevented from being damaged during blasting, the flatness of the foundation surface is guaranteed, the size of rock blocks can be reduced after blasting, the lumpiness is more uniform, the blasting efficiency is improved, the rock excavation progress is accelerated, and the blast hole structure is suitable for application and popularization.

The invention belongs to the technical field of blasting, and particularly relates to a blasting oxygenation device and method adaptive to a plateau low-oxygen environment, the device aims at solving the problem that explosive blasting reaction is incomplete in the plateau hypoxia environment, the device comprises a charging bag placed in a blasting hole, an oxygenation device, a partition device and a sealing plug, the oxygenation device is provided with a shell and a liner bag, and the liner bag is provided with an opening. The inner container bag stores oxygen, the partition device is composed of an upper cover plate and an annular air bag, the oxygen increasing device and the partition device are arranged between every two vertically adjacent charging bags, the sealing plug is located at the top of the blast hole, and when the charging bags are detonated, generated shock waves can enable the inner container bag of the oxygen increasing device to be broken to release oxygen, and meanwhile the annular air bag of the partition device is pushed to expand to seal the hole wall. According to the device, oxygen release and sealing are triggered by means of explosion energy, oxygen is supplemented for a reaction area at the moment of explosion, oxygen is prevented from overflowing, and the plateau explosion effect can be improved.

The application relates to a kind of semi-automatic positioning method and system, the method comprises: obtaining the starting plane coordinate and end point plane coordinate of target hole site;Obtain drill rod position coordinate and drill rod inclination;Distance error is calculated based on drill rod position coordinate and starting plane coordinate;Theoretical inclination is calculated based on starting plane coordinate and end point plane coordinate;Angle error is calculated based on drill rod inclination and theoretical inclination;When the angle error and distance error are located in the preset error range, positioning operation is completed;Otherwise, based on the angle error and distance error control push beam swing until the angle error and distance error are located in the preset error range.The method is used when distance error and inclination error are in the preset error range, and the positioning operation between drill rod and target hole site is completed, so that the inclination and hole diameter of drill rod hole forming are consistent with the theoretically set inclination and hole diameter of hole forming, the blasting efficiency is improved, and the mining cost is reduced.

The utility model discloses a filter shell processing sand blasting device which comprises a supporting bottom plate, a sand blasting module is arranged at the position, close to the middle, of the upper end face of the supporting bottom plate, a sand blasting feeding pipe is fixedly arranged at the center of the upper end face of the sand blasting module, and two sets of positioning clamping plates are arranged on the upper end face of the supporting bottom plate. Reciprocating staggered feeding and discharging are achieved, the bottleneck time of feeding and guiding of the filter shell can be effectively shortened, the sand blasting efficiency of the sand blasting module on the filter shell is further improved, meanwhile, when sand blasting is conducted on the filter shell, the rotary pneumatic claw can drive the locking clamp and the filter shell to rotate, and therefore the filter shell can be locked. And the sand blasting uniformity of the sand blasting module on the outer part of the filter shell can be improved to the maximum extent, so that the sand blasting efficiency of the filter shell is improved.

The invention provides a remote wireless through-the-ground remote control blasting system and blasting method based on magnetic communication. The remote wireless through-the-ground remote control blasting system based on magnetic communication comprises a control center, a magnetic communication transmitter, a plurality of magnetic communication transceiving blasting machines and a plurality of magnetic communication receivers. And the control center is used for communicating with the overground magnetic communication receiver and the overground magnetic communication transmitter in a traditional wireless network mode. The magnetic communication transmitter sends an instruction to the underground magnetic communication transmit-receive blasting machine in a magnetic communication mode. The magnetic communication transceiving blasting machine receives an instruction sent by the magnetic communication transmitter and returns data to the magnetic communication receiver in a magnetic communication mode. The magnetic communication receiver receives return data of the magnetic communication transceiving blasting machine in a magnetic communication mode and sends the received return data to the control center in a traditional wireless communication mode. According to the invention, connection is realized in a wireless ad hoc network mode, so that the blasting operation efficiency is improved; the operation risk is greatly reduced; and an unexploded shot accident is avoided.

This invention provides a vibration-controlled blasting process that reduces vibration and improves excavation efficiency through a nozzle device and dissimilar charging technology. It increases the free surface, reducing rock breaking resistance, thereby reducing blasting vibration and improving blasting efficiency. Employing a semi-open perforation device and dissimilar charging technology, it minimizes damage to the subsequent blasting strata during tunnel blasting and bench blasting, while also integrating with unexcavated blasting tubes. To achieve the goal of reducing blasting vibration and improving blasting efficiency, this invention uses a combination of pre-initiating blasting holes installed with low-explosive or high-detonation-index (1.4 seconds) charges integrated with a spring-loaded socket device, pre-initiating holes arranged in a row targeting thermally conductive fractures, and subsequent blasting holes with low detonation (index below 1.4) using low-explosive or high-explosive charges. The process involves subsequent blasting followed by final blasting, thus achieving post-initiation.

The application relates to a sand blasting machine for capacitor cores, which comprises a material turning structure, the material turning structure comprising a height-adjustable material turning frame and a material turning assembly fixed to the inner side of the material turning frame, the material turning assembly being used for axially turning the capacitor cores on the material turning frame; a material pushing structure arranged below the material turning frame and used for pushing the axially turned capacitor cores on the material turning frame; and a sand blasting structure comprising sand blasting guns adjustably arranged on one side of the material turning frame. When the sand blasting machine is used for sand blasting, the capacitor cores are placed on the material turning structure, the material turning structure drives the capacitor cores to axially rotate, at the same time, the material pushing structure pushes the axially rotated capacitor cores to move forward, and finally the surface sand blasting treatment is realized through the side-by-side sand blasting guns, the degree of automation is high, the situation of missed sand blasting is avoided, the sand blasting efficiency and the qualified rate of finished products are improved, the labor input is reduced, and the cost is saved.