Remotely-operated outdoor limestone mine blasting equipment

Abstract

The utility model provides remotely-operated outdoor limestone mine blasting equipment which comprises a blasting equipment body, a tip drill bit is arranged at the end of the blasting equipment body, a middle propelling drill bit is arranged above the tip drill bit, a blasting powder bin is arranged in the middle of the blasting equipment body, and the blasting powder bin is connected with an ignition controller. The spiral blade of the tip drill bit is matched with the tooth-shaped circular rotating cutter of the middle propelling drill bit, so that a hole can be drilled in an ore bed more quickly, and the drilling speed and efficiency of equipment are improved. The auxiliary propelling belts on the upper side and the lower side of the blasting explosive bin provide additional propelling force through propelling belt rollers, so that blasting equipment can enter an ore bed more smoothly. Through the remote controller and the wireless signal transmitting antenna, an operator can operate the blasting equipment outside a safe distance, so that the operator is prevented from being directly exposed in a dangerous environment, and the safety risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blasting equipment, specifically, relates to a remote operation's open pit limestone mine blasting equipment. BACKGROUND

[0002] In the blasting operation of open pit limestone mine, the commonly used blasting equipment is relatively traditional. The traditional blasting equipment has many problems.

[0003] The existing open pit limestone mine blasting equipment has serious deficiencies in drilling. The existing open pit limestone mine blasting equipment lacks a tip drill bit and a middle advancing drill bit, cannot realize fast and efficient drilling in the ore bed, leads to slow drilling speed and low efficiency, and prolongs the blasting preparation time.

[0004] At the same time, these traditional equipment cannot be remotely operated. The operator must operate on the dangerous site, which directly exposes the personnel to the dangerous environment and greatly increases the safety risk.

[0005] In addition, the adaptability and reliability of the traditional blasting equipment are poor. Under complex geological conditions, the effective advancing force is lacked, it is difficult to smoothly enter the ore bed, and the normal operation of the blasting operation is affected.

[0006] The personnel need to fill and ignite the blasting agent on the site, which is easy to be affected by the danger caused by blasting and threatens the life safety of the personnel. Therefore, we improve it and propose a remote operation's open pit limestone mine blasting equipment. UTILITY MODEL CONTENT

[0007] The utility model aims at the problems existing in the background technology. In order to realize the above-mentioned utility model purpose, the utility model provides the following technical scheme: a remote operation's open pit limestone mine blasting equipment, including the blasting equipment body, the end of the blasting equipment body is provided with a tip drill bit, the top of the tip drill bit is provided with a middle advancing drill bit, the tip drill bit and the middle advancing drill bit are connected with the driving motor through the drill bit rotation shaft, the middle of the blasting equipment body is provided with a blasting agent bin, the blasting agent bin is connected with an ignition controller, and the ignition controller is connected with a remote controller.

[0008] As the preferred technical scheme of the utility model, the outside of the blasting agent bin is provided with a bin sealing cover.

[0009] As the preferred technical scheme of the utility model, the upper and lower sides of the blasting agent bin are provided with an auxiliary advancing belt.

[0010] As the preferred technical scheme of the utility model, the auxiliary advancing belt is connected with the advancing belt roller.

[0011] As the preferred technical scheme of the utility model, the advancing belt roller is installed on the roller mounting frame.

[0012] As the preferred technical scheme of the utility model, the remote controller is provided with a wireless signal transmitting antenna.

[0013] As the preferred technical scheme of the utility model, the outer surface of the pointed drill bit is provided with a spiral blade.

[0014] As the preferred technical scheme of the utility model, the middle part of the middle advancing drill bit is provided with a tooth-shaped circular rotary cutter.

[0015] Compared with the prior art, the utility model has the beneficial effects of:

[0016] The spiral blade of the pointed drill bit and the tooth-shaped circular rotary cutter of the middle advancing drill bit cooperate with each other, can drill in the ore bed more quickly, improve the drilling speed and efficiency of the equipment, thereby shorten the blasting preparation time.

[0017] Through the remote controller and the wireless signal transmitting antenna, the operator can operate the blasting equipment outside the safe distance, avoids the personnel directly exposed in the dangerous environment, reduces the safety risk.

[0018] The ignition controller is connected with the remote controller, so that the operator can accurately control the time and opportunity of blasting, improves the accuracy and effect of blasting. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides structure schematic diagram for the utility model;

[0020] Figure 2 The utility model provides partial structure schematic diagram of blasting agent bin for the utility model;

[0021] Figure 3 The utility model provides partial structure schematic diagram of auxiliary advancing belt for the utility model;

[0022] Figure 4 The utility model provides main view structure schematic diagram for the utility model.

[0023] Indicated in the figure:

[0024] 1, the body of the blasting device; 2, the tip drill; 21, the spiral blade; 3, the middle advancing drill; 31, the tooth-shaped circular rotating knife; 4, the drill rotating shaft; 5, the driving motor; 6, the blasting cartridge; 61, the cartridge sealing cover; 7, the ignition controller; 8, the remote controller; 9, the auxiliary advancing belt; 91, the advancing belt roller; 10, the roller mounting frame; 11, the wireless signal transmitting antenna. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict, and attention should be paid to the fact that similar reference numerals and letters represent similar items in the following drawings, so that once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] Embodiment 1: Please refer to Figures 1-4 A remote-operated open-pit limestone mine blasting device, comprising a blasting device body 1, a tip drill 2 is arranged at the end of the blasting device body 1, a middle advancing drill 3 is arranged above the tip drill 2, the tip drill 2 and the middle advancing drill 3 are connected with a driving motor 5 through a drill rotating shaft 4, a blasting cartridge 6 is arranged in the middle of the blasting device body 1, the blasting cartridge 6 is connected with an ignition controller 7, and the ignition controller 7 is connected with a remote controller 8.

[0028] The outside of the blasting cartridge 6 is provided with a cartridge sealing cover 61. The upper and lower sides of the blasting cartridge 6 are provided with an auxiliary advancing belt 9. The auxiliary advancing belt 9 is connected with an advancing belt roller 91. The advancing belt roller 91 is mounted on a roller mounting frame 10. A wireless signal transmitting antenna 11 is arranged on the remote controller 8. The outer surface of the tip drill 2 is provided with a spiral blade 21. The middle of the middle advancing drill 3 is provided with a tooth-shaped circular rotating knife 31.

[0029] When the blasting operation is carried out, the operator sends control signals through the wireless signal transmitting antenna 11 on the remote controller 8. The remote controller 8 is connected with the ignition controller 7, and after the ignition controller 7 receives the signals, it controls the ignition operation of the blasting agent bin 6.

[0030] In the process of advancing the blasting device to the ore layer, the driving motor 5 drives the pointed drill bit 2 and the middle advancing drill bit 3 to rotate through the drill bit rotating shaft 4. The spiral blades 21 on the outer surface of the pointed drill bit 2 help to initially drill into the ore layer and open up the way for subsequent advancing work. The tooth-shaped circular rotating blades 31 in the middle of the middle advancing drill bit 3 further enhance the advancing effect and improve the drilling efficiency.

[0031] The blasting agent bin 6 is provided with a bin sealing cover 61 on the outside to ensure the safety and stability of the blasting agent.

[0032] The auxiliary advancing belt 9 is provided on the upper and lower sides of the blasting agent bin 6 and is connected with the advancing belt roller 91, which is installed on the roller mounting bracket 10. When the device is working, the advancing belt roller 91 rotates to drive the auxiliary advancing belt 9, providing additional power for the overall advancement of the blasting device, so that it can more smoothly enter the ore layer.

[0033] Work flow: Ensure that all parts of the blasting device are normal, check whether the bin sealing cover 61 is tightly closed to ensure the safety of the blasting agent bin 6. Confirm that the wireless signal transmitting antenna 11 of the remote controller 8 is working normally and can effectively communicate with the ignition controller 7.

[0034] Start the driving motor 5 to drive the pointed drill bit 2 and the middle advancing drill bit 3 to rotate through the drill bit rotating shaft 4. The spiral blades 21 on the outer surface of the pointed drill bit 2 first contact the ore layer to start the initial drilling, and the tooth-shaped circular rotating blades 31 in the middle of the middle advancing drill bit 3 further enhance the drilling effect to push the device to advance into the ore layer.

[0035] At the same time, the advancing belt roller 91 starts to rotate to drive the auxiliary advancing belt 9, providing additional power for the overall advancement of the blasting device, so that it can more smoothly enter the ore layer.

[0036] When the device reaches the predetermined blasting position, open the bin sealing cover 61 and fill the blasting agent into the blasting agent bin 6.

[0037] The operator sends the ignition signal through the wireless signal transmitting antenna 11 on the remote controller 8.

[0038] After the ignition controller 7 receives the signals, it controls the ignition operation of the blasting agent bin 6 to initiate the blasting.

[0039] After the blasting is completed, the blasting site is inspected and cleaned to ensure safety, and the blasting device is withdrawn from the site to prepare for the next blasting operation.

[0040] Example 2: A remote-operated open-pit limestone mine blasting device, the blasting device body 1 is made of high-strength alloy steel material to ensure its sufficient strength and durability in harsh mine environment. The tip drill bit 2 and the middle advancing drill bit 3 are made of hard alloy material respectively, and the helical blade 21 of the tip drill bit 2 and the tooth-shaped circular cutter 31 of the middle advancing drill bit 3 are subjected to special heat treatment process to improve their wear resistance and cutting performance.

[0041] The drill bit rotating shaft 4 is made of high-quality steel material and its connection precision and reliability with the driving motor 5 are ensured through precise machining. The blasting charge bin 6 is made of explosion-proof material and is internally provided with shockproof and heat insulation devices to ensure the safe storage and transportation of the blasting charge. The bin sealing cover 61 is made of material with good sealing performance and is opened and closed through hydraulic device to ensure the sealing of the blasting charge bin 6.

[0042] The auxiliary advancing belt 9 is made of high-strength rubber material and has good wear resistance and tensile strength. The advancing belt roller 91 is made of alloy steel material and is installed on the roller mounting bracket 10 through bearing to ensure its flexible rotation.

[0043] The driving motor 5 is a high-performance DC motor connected with the drill bit rotating shaft 4 through a reducer to provide sufficient torque and rotational speed. The ignition controller 7 and the remote controller 8 are made of advanced electronic technology and integrated circuit and have high reliability and stability. The wireless signal transmitting antenna 11 is a high-gain antenna to ensure the distance and stability of signal transmission.

[0044] Before the blasting operation, the blasting device is transported to the mine site and installed on the drilling equipment. Through the remote controller 8, the driving motor 5 is started to make the tip drill bit 2 and the middle advancing drill bit 3 start rotating. At the same time, the advancing belt roller 91 is started to make the auxiliary advancing belt 9 work to push the blasting device into the mine layer.

[0045] When the blasting device drills to the predetermined depth, the driving motor 5 and the advancing belt roller 91 are stopped through the remote controller 8. Then, the bin sealing cover 61 is opened through the hydraulic device, and the blasting charge is filled into the blasting charge bin 6.

[0046] After filling, the bin sealing cover 61 is closed, and the ignition controller 7 is started through the remote controller 8 to ignite the blasting charge and complete the blasting operation.

[0047] Example 3: A remote-operated open-pit limestone mine blasting device, the blasting device body 1 is made of aluminum alloy material to reduce the weight of the device while ensuring its sufficient strength and rigidity.

[0048] The tip drill bit 2 and the middle advancing drill bit 3 are made of a new type of ceramic material, which has higher hardness and wear resistance. The shape and size of the spiral blade 21 and the tooth-shaped circular rotating blade 31 are optimized to improve drilling efficiency and cutting effect. The drill bit rotating shaft 4 is made of carbon fiber material, which has high strength and low weight. Through high-precision couplings, it is connected with the driving motor 5 to ensure the accuracy and reliability of the transmission.

[0049] The blasting cartridge 6 is made of a multi-layer composite structure material, including fireproof, explosion-proof and heat insulation layers, to improve the safety and stability of the blasting cartridge 6. The cartridge sealing cover 61 uses an electromagnetic sealing device, which is controlled by the remote controller 8 to open and close, realizing automatic operation. The auxiliary advancing belt 9 is made of high-strength fiber material, which has good flexibility and tensile strength. The advancing belt roller 91 is installed on the roller mounting bracket 10 with ceramic bearings, reducing friction resistance and improving advancing efficiency.

[0050] The driving motor 5 is an AC variable frequency motor, which realizes speed regulation and control through a frequency converter. The ignition controller 7 and the remote controller 8 use an intelligent control system, which has automatic diagnosis and fault alarm functions, improving the reliability and maintainability of the equipment. The wireless signal transmitting antenna 11 uses a directional antenna to improve the transmission accuracy and anti-interference ability of the signal.

[0051] The blasting equipment is installed on a special drilling vehicle, which is transported to the mine site by the vehicle's power system. After arriving at the blasting site, the operator starts the equipment through the remote controller 8. The driving motor 5 drives the tip drill bit 2 and the middle advancing drill bit 3 to rotate at high speed, while the auxiliary advancing belt 9 is driven by the advancing belt roller 91 to push the blasting equipment to drill into the ore layer quickly.

[0052] When the predetermined drilling depth is reached, the remote controller 8 controls the equipment to stop drilling. Then, the electromagnetic sealing device opens the cartridge sealing cover 61, and the prepared blasting agent is loaded into the blasting cartridge 6.

[0053] After the loading is completed, the cartridge sealing cover 61 is automatically closed, and the operator starts the ignition controller 7 through the remote controller 8 to perform the blasting operation. After the blasting is completed, the equipment can be quickly withdrawn from the site through the drilling vehicle for subsequent cleaning and mining work.

[0054] Example 4: A remote-operated open-pit limestone mine blasting equipment, the tip drill bit 2: diameter 0.2 meters, the pitch of the spiral blade 21 is 0.1 meters, and the blade height is 0.05 meters. The middle advancing drill bit 3: diameter 0.3 meters, the number of teeth of the tooth-shaped circular rotating blade 31 is 20, and the tooth height is 0.03 meters.

[0055] Drill bit rotating shaft 4: diameter 0.1 meters, made of high-strength stainless steel, can withstand the huge torque when the drill bit rotates. Drive motor 5: power 10 kilowatts, speed 1000 revolutions per minute, provides power for the rotation of the drill bit.

[0056] Explosive cartridge 6: capacity 5 kg, can be filled with corresponding explosive according to actual needs. Ignition controller 7: can accurately control the ignition time, the error is within 0.1 seconds. Remote controller 8: effective control distance is 1000 meters, communicates with ignition controller 7 through wireless signal transmitting antenna 11.

[0057] Medicine warehouse sealing cover 61: made of high-temperature-resistant and corrosion-resistant rubber material, to ensure the sealing of explosive cartridge 6. Auxiliary propulsion belt 9: width 0.2 meters, thickness 0.05 meters, made of wear-resistant rubber. Propulsion belt roller 91: diameter 0.1 meters, the roller surface adopts anti-skid design to improve the transmission efficiency of the propulsion belt. Roller mounting bracket 10: made of high-strength aluminum alloy, to ensure the firm and reliable installation of the roller.

[0058] In actual use, the operator sends instructions through the remote controller 8 outside the safe distance. The drive motor 5 starts, driving the pointed drill bit 2 and the middle propulsion drill bit 3 to rotate, and the helical blade 21 of the pointed drill bit 2 and the tooth-shaped circular rotating knife 31 of the middle propulsion drill bit 3 work together to quickly drill in the ore bed. When the device reaches the predetermined position, open the medicine warehouse sealing cover 61, fill the explosive into the explosive cartridge 6. The operator controls the ignition controller 7 through the remote controller 8 to realize accurate ignition and blasting. After blasting, the site is checked and cleaned, and the next blasting operation is prepared.

[0059] The above examples are only used to illustrate the utility model and are not limited to the technical solutions described in the utility model. Although the utility model has been described in detail with reference to the above-described embodiments, the utility model is not limited to the above-described specific embodiments, so any modification or equivalent replacement of the utility model; all technical solutions and improvements within the spirit and scope of the utility model are covered in the scope of the claims of the utility model.

Claims

1. A remotely operated open pit limestone mine blasting apparatus comprising a blasting apparatus body (1), characterized in that, The end of the blasting equipment body (1) is provided with a sharp bit (2), the upper part of the sharp bit (2) is provided with a middle advancing bit (3), the sharp bit (2) and the middle advancing bit (3) are connected with a driving motor (5) through a bit rotating shaft (4), the middle part of the blasting equipment body (1) is provided with a blasting charge bin (6), the blasting charge bin (6) is connected with an ignition controller (7), and the ignition controller (7) is connected with a remote controller (8).

2. A remotely operated open pit limestone mine blasting apparatus according to claim 1, characterized in that, The outside of the blasting charge bin (6) is provided with a bin sealing cover (61).

3. A remotely operated open pit limestone mine blasting apparatus according to claim 2, characterized in that, The upper and lower sides of the blasting charge bin (6) are provided with auxiliary advancing belts (9).

4. A remotely operated open cut limestone mine blasting apparatus according to claim 3, characterised in that, The auxiliary advancing belts (9) are connected with advancing belt rollers (91).

5. A remotely operated open cut limestone mine blasting apparatus according to claim 4, characterised in that, The advancing belt rollers (91) are installed on roller mounting racks (10).

6. A remotely operated open pit limestone mine blasting apparatus according to claim 5, characterized in that, A wireless signal transmitting antenna (11) is arranged on the remote controller (8).

7. A remotely operated open pit limestone mine blasting apparatus according to claim 6, characterized in that, The outer surface of the sharp bit (2) is provided with a spiral blade (21).

8. A remotely operated open pit limestone mine blasting apparatus according to claim 7, characterized in that, The middle part of the middle advancing bit (3) is provided with a tooth-shaped circular rotating knife (31).

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