A safe blasting device

Abstract

The present invention relates to the field of blasting devices, and specifically to a safe blasting device, comprising a mounting shell, a wiring port fixedly connected to the top of the mounting shell, a detonator inserted into the inner wall of the wiring port, a telescopic spring sleeved on the outer wall of the detonator, a trigger mechanism provided on the outer wall of the detonator, and a mounting mechanism provided at the bottom end of the mounting shell. This safe blasting device, through the setting of the trigger mechanism, triggers the electromagnetic block to pull the carrier plate only after the entire device is powered on. At this time, the detonator at the top moves downward due to the setting of the telescopic spring, penetrates the thin paper sheet, and connects with the blasting charge before it can explode. Furthermore, through the setting of the mounting mechanism, after a worker grasps the mounting shell, the thumb pulls down to drive the clamping block to slide in the oblique groove through the protrusion. At this time, the clamping block moves into the interior of the mounting shell, and the blasting charge can be loaded therein. The movable sleeve is released to reset, driving the clamping block to reset, thereby clamping and fixing the blasting charge.

Description

Technical Field

[0001] The present invention relates to the field of blasting devices, in particular to a safety blasting device. Background Art

[0002] In areas such as large-scale building demolition and mining operations, blasting devices are often required to detonate explosives, using explosions to destroy and crush objects to facilitate handling and rapid demolition. Since blasting drugs are dangerous goods, they require relatively safe blasting devices to handle them when used to avoid accidental triggering and causing serious accidents.

[0003] The inventors found that the following problems in the prior art have not been well solved: 1. When in use, the existing device generally uses a detonator to trigger the explosion of the blasting charge. When in use, the detonator is directly inserted into the blasting charge. However, it uses electric drive to detonate, which is easily affected by various interferences. Direct insertion has a low safety effect and is inconvenient to use; 2. Secondly, the existing device is not easy to install on the blasting charge quickly and stably, which is not convenient for staff to use. Summary of the Invention

[0004] The present invention aims to provide a safety blasting device to address the problems of 1. insufficient safety and 2. inconvenient installation mentioned in the above-mentioned background art. To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a safety blasting device comprising a mounting shell, a wiring port fixedly connected to the top of the mounting shell, a detonator inserted into the inner wall of the wiring port, a telescopic spring sleeved on the outer wall of the detonator, a trigger mechanism provided on the outer wall of the detonator, and a mounting mechanism provided at the bottom end of the mounting shell;

[0005] The trigger mechanism includes a connecting block and a blocking block. The outer wall of the connecting block is fixedly connected to the inner wall of the mounting shell. Two groups of connecting blocks are symmetrically arranged about the axis of the mounting shell, and the side walls of the two groups of connecting blocks are elastically connected to the supporting plates, and the top ends of the two groups of supporting plates are provided with slots. The outer wall of the blocking block is fixedly connected to the outer wall of the detonator, and the bottom end of the blocking block is fitted with the supporting plate.

[0006] Preferably, the side wall of the slot of the supporting plate has an inclined surface formed by machining, and the outer wall of the slot is slidably arranged with the outer wall of the blocking block.

[0007] Preferably, the cross section of the blocking block is an inverted L-shaped structure, and two groups of blocking blocks are symmetrically arranged about the axis of the detonator, and the two groups of blocking blocks are docked with the two groups of bearing plates one by one.

[0008] Preferably, the trigger mechanism also includes an electromagnetic block and a thin paper sheet, the outer wall of the electromagnetic block is fixedly connected to the inner wall of the mounting shell, the rear end of the electromagnetic block is electrically connected to the wiring port through an electric wire, the electromagnetic block is horizontally arranged with the supporting plate, and two groups of electromagnetic blocks are symmetrically arranged about the axis of the mounting shell, the two ends of the thin paper sheet are respectively fixedly connected to the side walls of the mounting shell, and the thin paper sheet is horizontally arranged with the detonator.

[0009] Preferably, the mounting mechanism includes a mounting bin, the top of the mounting bin is fixedly connected to the bottom end of the mounting shell, explosives are inserted into the inner wall of the mounting bin, a movable sleeve is sleeved on the outer wall of the mounting bin, a telescopic rod is fixedly connected to the inner wall of the movable sleeve, and a clamping block is fixedly connected to the front end of the telescopic rod, a telescopic spring rod is fixedly connected to the bottom of the fixed end of the telescopic rod, and the bottom end of the telescopic spring rod is fixedly connected to the inner wall of the mounting bin;

[0010] The outer wall of the telescopic rod is slidably arranged with the inner wall of the installation chamber.

[0011] Preferably, the outer diameter of the movable sleeve matches the inner diameter of the installation chamber, and the clamping blocks are symmetrically arranged in two groups about the axis of the installation chamber, and the outer walls of the two groups of clamping blocks are both arranged to fit the outer wall of the explosive.

[0012] Preferably, the mounting mechanism also includes a protrusion and an oblique groove, the outer wall of the protrusion is fixedly connected to the outer wall of the clamping block, the protrusion is symmetrically arranged in two groups about the axis of the clamping block, the oblique groove is opened in the inner wall of the mounting bin, and the oblique groove and the protrusion are arranged horizontally, and the inner wall of the oblique groove is slidably connected to the outer wall of the protrusion.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In the present invention, through the setting of the trigger mechanism, the electromagnetic block will be triggered to pull the supporting plate, causing the supporting plate to bend, only after the entire device is powered on. At this time, the detonator above moves downward through the setting of the telescopic spring, penetrates the thin paper sheet and connects with the blasting charge, causing it to explode, thereby facilitating the safe use of the device.

[0015] In the present invention, through the setting of the installation mechanism, after the staff holds the installation shell, the thumb is pulled down to drive the clamping block to slide in the oblique groove through the protrusion. At this time, the clamping block moves into the interior of the installation shell. At this time, the blasting charge can be loaded into it, and the movable sleeve is released, causing the movable sleeve to reset through the telescopic spring rod, driving the clamping block to reset, and clamping and fixing the blasting charge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the general assembly cross-sectional structure of the present invention;

[0017] Figure 2Schematic diagram of the oblique groove distribution structure in the present invention;

[0018] Figure 3 For the present invention Figure 1 A in the middle is an enlarged structural diagram;

[0019] Figure 4 For the present invention Figure 1 Enlarged structural diagram at point B in the middle.

[0020] In the figure: 1. Mounting shell; 2. Wiring port; 3. Detonator; 4. Trigger mechanism; 41. Connecting block; 42. Loading plate; 43. Blocking block; 44. Electromagnetic block; 45. Thin paper sheet; 5. Mounting mechanism; 51. Mounting compartment; 52. Movable sleeve; 53. Telescopic rod; 54. Clamping block; 55. Telescopic spring rod; 56. Protrusion; 57. Oblique groove. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] See also Figures 1 to 4 The present invention provides a technical solution: a safety blasting device, comprising a mounting shell 1, a wiring port 2 fixedly connected to the top of the mounting shell 1, a detonator 3 inserted into the inner wall of the wiring port 2, a telescopic spring sleeved on the outer wall of the detonator 3, a trigger mechanism 4 provided on the outer wall of the detonator 3, and a mounting mechanism 5 provided at the bottom end of the mounting shell 1;

[0023] The trigger mechanism 4 includes a connecting block 41 and a blocking block 43. The outer wall of the connecting block 41 is fixedly connected to the inner wall of the mounting shell 1. Two groups of connecting blocks 41 are symmetrically arranged about the axis of the mounting shell 1, and the side walls of the two groups of connecting blocks 41 are elastically connected to a supporting plate 42. The tops of the two groups of supporting plates 42 are provided with slots. The outer wall of the blocking block 43 is fixedly connected to the outer wall of the detonator 3, and the bottom end of the blocking block 43 is fitted with the supporting plate 42. Through the setting of the trigger mechanism 4, the electromagnetic block 44 is triggered to pull the supporting plate 42 after the entire device is powered on, causing the supporting plate 42 to bend. At this time, the detonator 3 above moves downward due to the setting of the telescopic spring, penetrates the thin paper sheet 45 and docks with the blasting charge, causing it to explode, thereby facilitating the safe use of the device.

[0024] In this embodiment, Figure 1 and Figure 3As shown, the slot sidewalls of the carrier plate 42 have a machined inclined surface, and the outer wall of the slot is slidably arranged with the outer wall of the blocking block 43. When the electromagnetic block 44 is activated, the blocking blocks 43 on both sides of the detonator 3 slide out through the slots in the carrier plate 42 because the slot sidewalls of the carrier plate 42 have a machined inclined surface and the outer wall of the slot is slidably arranged with the outer wall of the blocking block 43.

[0025] In this embodiment, Figure 1 and Figure 3 As shown, the cross section of the blocking block 43 is an inverted L-shaped structure. Two groups of blocking blocks 43 are symmetrically arranged about the axis of the detonator 3, and the two groups of blocking blocks 43 are connected to the two groups of supporting plates 42 in a one-to-one manner. When the external device is powered, the electrical signal is transmitted to the interior of the mounting shell 1 through the wiring port 2. At this time, with the entry of current, the entire electromagnetic block 44 generates a magnetic attraction, causing the elastically connected supporting plates 42 to begin to bend downward, releasing the detonator 3.

[0026] In this embodiment, Figure 1 and Figure 3 As shown, the trigger mechanism 4 also includes an electromagnetic block 44 and a thin paper sheet 45. The outer wall of the electromagnetic block 44 is fixedly connected to the inner wall of the mounting shell 1. The rear end of the electromagnetic block 44 is electrically connected to the wiring port 2 through an electric wire. The electromagnetic block 44 is horizontally arranged with the supporting plate 42. Two groups of electromagnetic blocks 44 are symmetrically arranged about the axis of the mounting shell 1. The two ends of the thin paper sheet 45 are respectively fixedly connected to the side walls of the mounting shell 1. The thin paper sheet 45 is horizontally arranged with the detonator 3. Since the side walls of the slot of the supporting plate 42 have an inclined surface formed by machining, and the outer wall of the slot and the outer wall of the blocking block 43 are slidingly arranged, the blocking blocks 43 on both sides of the detonator 3 slide out through the slot in the supporting plate 42. At this time, the detonator 3 is reset downward by the telescopic spring, penetrates the thin paper sheet 45, and docks with the blasting charge to produce an explosion.

[0027] In this embodiment, Figure 1 、 Figure 2 and Figure 4 As shown, the mounting mechanism 5 includes a mounting chamber 51, the top of which is fixedly connected to the bottom of the mounting shell 1, an explosive inserted into the inner wall of the mounting chamber 51, a movable sleeve 52 sleeved on the outer wall of the mounting chamber 51, a telescopic rod 53 fixedly connected to the inner wall of the movable sleeve 52, and a clamping block 54 fixedly connected to the front end of the telescopic rod 53, a telescopic spring rod 55 fixedly connected to the bottom of the fixed end of the telescopic rod 53, and the bottom end of the telescopic spring rod 55 fixedly connected to the inner wall of the mounting chamber 51;

[0028] The outer wall of the telescopic rod 53 is slidably arranged with the inner wall of the installation chamber 51. The staff can first hold the installation shell 1 and pull the movable sleeve 52 downward with the thumb, causing the movable sleeve 52 to move downward, driving the internal telescopic rod 53 to move downward synchronously, and driving the entire clamping block 54 to move downward, making it easier to insert the blasting charge;

[0029] In this embodiment, Figure 1 、 Figure 2 and Figure 4 As shown, the outer diameter of the movable sleeve 52 matches the inner diameter of the installation chamber 51, and two groups of clamping blocks 54 are symmetrically arranged about the axis of the installation chamber 51, and the outer walls of the two groups of clamping blocks 54 are arranged to fit the outer wall of the explosive. When the clamping blocks 54 are in a normal state, the two groups of clamping blocks 54 will clamp and fix the explosive, which facilitates the fixation of the device.

[0030] In this embodiment, Figure 1 、 Figure 2 and Figure 4 As shown, the mounting mechanism 5 further includes a protrusion 56 and an oblique groove 57. The outer wall of the protrusion 56 is fixedly connected to the outer wall of the clamping block 54. Two groups of protrusions 56 are symmetrically arranged about the axis of the clamping block 54. The oblique groove 57 is opened in the inner wall of the mounting chamber 51, and the oblique groove 57 and the protrusion 56 are arranged horizontally, and the inner wall of the oblique groove 57 is slidably connected to the outer wall of the protrusion 56. As the movable sleeve 52 moves downward, through the arrangement of the protrusions 56 on both sides of the clamping block 54, the entire clamping block 54 moves downward and moves toward the inside of the mounting chamber 51 through the oblique groove 57. At this time, the blasting charge can be inserted into it, and the movable sleeve 52 is released at the same time. At this time, the movable sleeve 52 is reset by the arrangement of the telescopic spring rod 55 below. At the same time, through the arrangement of the oblique groove 57, the clamping block 54 is reset to clamp the side wall of the blasting charge.

[0031] The use method and advantages of the present invention: The working process of the safety blasting device is as follows:

[0032] like Figures 1 to 4 As shown, the staff can first hold the installation shell 1 and pull the movable sleeve 52 downward with the thumb, causing the movable sleeve 52 to move downward, driving the internal telescopic rod 53 to move downward synchronously. At this time, the protrusions 56 on both sides of the clamping block 54 are set. While the entire clamping block 54 moves downward, it will move toward the inside of the installation chamber 51 through the oblique groove 57. At this time, the blasting charge can be inserted into it and the movable sleeve 52 is released at the same time. At this time, the movable sleeve 52 is reset by the setting of the telescopic spring rod 55 below. At the same time, the clamping block 54 is reset by the setting of the oblique groove 57 to clamp the side wall of the blasting charge.

[0033] When the device is in use, it is powered by an external device, and the electrical signal is transmitted to the interior of the mounting shell 1 through the setting of the wiring port 2. At this time, with the entry of current, the entire electromagnetic block 44 generates a magnetic attraction, causing the elastically connected supporting plate 42 to begin to bend downward. At this time, since the side wall of the slot of the supporting plate 42 has a slope formed by machining, and the outer wall of the slot and the outer wall of the blocking block 43 are slidingly arranged, the blocking blocks 43 on both sides of the detonator 3 slide out through the slot in the supporting plate 42. At this time, the detonator 3 is reset downward by the telescopic spring, penetrates the thin paper sheet 45, and docks with the blasting charge to produce an explosion.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety blasting device, comprising a mounting shell (1), characterized in that: The top end of the mounting shell (1) is fixedly connected to a wiring port (2), a detonator (3) is inserted into the inner wall of the wiring port (2), a telescopic spring is sleeved on the outer wall of the detonator (3), a trigger mechanism (4) is provided on the outer wall of the detonator (3), and a mounting mechanism (5) is provided at the bottom end of the mounting shell (1); The trigger mechanism (4) comprises a connecting block (41) and a blocking block (43), the outer wall of the connecting block (41) being fixedly connected to the inner wall of the mounting shell (1), two groups of connecting blocks (41) being symmetrically arranged about the axis of the mounting shell (1), and the side walls of the two groups of connecting blocks (41) are elastically connected to a bearing plate (42), and slots are provided at the top ends of the two groups of bearing plates (42), the outer wall of the blocking block (43) being fixedly connected to the outer wall of the detonator (3), and the bottom end of the blocking block (43) being arranged in close contact with the bearing plate (42); The trigger mechanism (4) further comprises an electromagnetic block (44) and a thin paper sheet (45), the outer wall of the electromagnetic block (44) being fixedly connected to the inner wall of the mounting shell (1), the rear end of the electromagnetic block (44) being electrically connected to the wiring port (2) via an electric wire, the electromagnetic block (44) being arranged horizontally with the carrier plate (42), the electromagnetic block (44) being arranged in two groups symmetrically about the axis of the mounting shell (1), the two ends of the thin paper sheet (45) being fixedly connected to the two side walls of the mounting shell (1), and the thin paper sheet (45) being arranged horizontally with the detonator (3); The mounting mechanism (5) comprises a mounting chamber (51), the top end of the mounting chamber (51) is fixedly connected to the bottom end of the mounting shell (1), explosives are inserted into the inner wall of the mounting chamber (51), a movable sleeve (52) is sleeved on the outer wall of the mounting chamber (51), a telescopic rod (53) is fixedly connected to the inner wall of the movable sleeve (52), and a clamping block (54) is fixedly connected to the front end of the telescopic rod (53), a telescopic spring rod (55) is fixedly connected to the bottom of the fixed end of the telescopic rod (53), and the bottom end of the telescopic spring rod (55) is fixedly connected to the inner wall of the mounting chamber (51).

2. A safety blasting device according to claim 1, characterized in that: The slot side wall of the bearing plate (42) has an inclined surface formed by machining, and the outer wall of the slot is slidably arranged with the outer wall of the blocking block (43).

3. A safety blasting device according to claim 1, characterized in that: The cross section of the blocking block (43) is an inverted L-shaped structure. Two groups of the blocking blocks (43) are symmetrically arranged about the axis of the detonator (3), and the two groups of blocking blocks (43) are connected to the two groups of bearing plates (42) in a one-to-one manner.

4. A safety blasting device according to claim 1, characterized in that: The outer wall of the telescopic rod (53) is slidably arranged with the inner wall of the installation chamber (51).

5. A safety blasting device according to claim 1, characterized in that: The outer diameter of the movable sleeve (52) matches the inner diameter of the installation chamber (51), and two groups of clamping blocks (54) are symmetrically arranged about the axis of the installation chamber (51), and the outer walls of the two groups of clamping blocks (54) are both arranged to fit the outer wall of the explosive.

6. A safety blasting device according to claim 1, characterized in that: The mounting mechanism (5) further comprises a protrusion (56) and an oblique groove (57), the outer wall of the protrusion (56) being fixedly connected to the outer wall of the clamping block (54), two groups of the protrusions (56) being symmetrically arranged about the axis of the clamping block (54), the oblique groove (57) being opened in the inner wall of the mounting bin (51), the oblique groove (57) and the protrusion (56) being arranged horizontally, and the inner wall of the oblique groove (57) being slidably connected to the outer wall of the protrusion (56).

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