On-site mixed loading explosive detonation velocity measuring device

Abstract

The utility model discloses an on-site mixed loading explosive detonation velocity measuring device which comprises a testing site, a testing hole is manually dug in the testing site, an installation plate is fixedly installed on the testing site through bolts, the installation plate corresponds to the testing hole in position, a fixing block is fixedly installed in the middle of the interior of the installation plate, and the fixing block is fixedly connected with the testing hole through bolts. And a detection sensor used for detecting the detonation velocity of the explosive is fixedly installed on the lower surface of the fixing block, an explosive charging barrel is arranged in the testing hole, and the explosive charging barrel is filled with gunpowder. According to the onsite mixed loading explosive detonation velocity measuring device, novel structural design is adopted, gunpowder is loaded into the explosive loading barrel, then the explosive loading barrel is placed into the testing hole, in the process, the connecting plate is extruded through the elastic effect of the connecting reed, so that the connecting plate is opened towards the left side and the right side, and the extruding roller at the top end of the connecting plate is used for extruding the inner wall of the testing hole to fix the explosive loading barrel; therefore, the medicine loading cylinder is fixed at a certain designated position in the test hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mine blasting technology, specifically is a kind of on-site mixed explosive blast velocity determinator. BACKGROUND

[0002] Mine blasting is a kind of engineering technology for ore mining and rock breaking through blasting technology, widely used in mining, civil engineering and construction field, explosion needs to use explosive, and different types of explosive are needed to be used in face of different mining, and the blast speed of explosive needs to be determined before this.

[0003] In the prior art, the Chinese patent with application number CN202121910543.9 discloses a kind of on-site mixed explosive blast velocity determination device, including initiation column, and explosive charging mechanism, the explosive charging mechanism includes tube body, at least two target lines are arranged at intervals on the tube body, one end of the two target lines penetrates the tube body radially, and is fixed on the tube body, the other end is placed outside the tube body and extends to the outside of blast hole and is connected with blast velocity tester;The tube body is filled with mixed explosive to be measured;The explosive charging mechanism is installed in blast hole, and the blast hole is filled with mixed explosive to be measured, and the initiation column extends to the outside of blast hole through detonation tube.

[0004] According to the above-mentioned material, it is known that in the prior art, the blast speed is generally determined by a sensor, but in actual use, the explosive needs to be placed in a hole, and the device similar to the above-mentioned device cannot control the depth when placing the explosive, so it is often difficult to achieve accurate measurement. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of on-site mixed explosive blast velocity determinator to solve the problem that explosive burying depth cannot be adjusted in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of on-site mixed explosive blast velocity determinator, including test site, test hole is artificially excavated in the test site, installation plate is fixed and installed on the test site by bolt, and the position of the installation plate and test hole correspond to each other, and fixed block is fixed and installed in the middle position of the installation plate interior, detection sensor for detecting explosive blast speed is fixed and installed on the lower surface of the fixed block, explosive cartridge is arranged in the test hole, and the explosive cartridge is filled with gunpowder, and electrically controlled detonating detonator is fixed and installed on the outer surface of the lower end of the explosive cartridge, and the upper end of the explosive cartridge is provided with positioning mechanism extruding test hole inner wall.

[0007] Preferably, the upper end of the fixed block is fixedly installed with connection harness, the connection harness is connected with monitor for monitoring data, and the monitor is located outside the explosion range.

[0008] Preferably, the positioning mechanism comprises a fixed clamp fixedly installed on the upper surface of the upper cover of the cartridge, and a connecting plate is rotatably installed on the left and right sides of the fixed clamp.

[0009] Preferably, a pressing roller is rotatably installed at the top end of the connecting plate, the pressing roller is attached to the inner wall of the test hole, and a connecting spring plate is fixedly installed between the connecting plate and the fixed clamp.

[0010] Preferably, a pushing threaded rod is provided above the cartridge for pushing the cartridge, and the pushing threaded rod is threadedly connected with the fixed block.

[0011] Preferably, a rotating handle for rotating the pushing threaded rod is coaxially fixedly installed at the top end of the pushing threaded rod.

[0012] Preferably, a transversely arranged pressing plate is slidably installed inside the cartridge, a transparent observation window is fixedly installed on the side surface of the cartridge, and the observation window is provided with scale lines.

[0013] Compared with the prior art, the on-site mixed explosive detonation velocity tester has the beneficial effects that:

[0014] 1. The gunpowder is loaded into the cartridge, and then the cartridge is placed into the test hole. In this process, the elastic effect of the connecting spring plate is utilized to press the connecting plate, so that the connecting plate is opened to the left and right sides, the pressing roller at the top end of the connecting plate is utilized to press the inner wall of the test hole to fix the cartridge, and thus the cartridge is fixed at a specified position inside the test hole.

[0015] Further, after the cartridge is placed into the test hole, the rotating handle is rotated to drive the pushing threaded rod to rotate, so that the pushing threaded rod moves downward relative to the fixed block, and finally the bottom end of the pushing threaded rod pushes the cartridge, so that the cartridge is pushed to the required position.

[0016] Still further, the detection sensor on the lower surface of the fixed block is utilized to detect the detonation velocity when the explosive explodes, data is transmitted to the monitor through the connecting wire harness, and the data is recorded for subsequent calculation.

[0017] 2. After the gunpowder is loaded into the cartridge, the pressing plate is covered into the cartridge, the gunpowder is compacted by pressing the pressing plate downward, and the loading amount of the gunpowder is determined by the observation window combined with the scale. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the test hole of the utility model;

[0020] Figure 3 For the utility model Figure 2 The enlarged structure schematic view of A in the middle;

[0021] Figure 4 For the utility model fixed block structure schematic view;

[0022] Figure 5 For the utility model cartridge structure schematic view;

[0023] Figure 6 For the utility model cartridge internal structure schematic view.

[0024] In the figure: 1, test site; 2, test hole; 3, mounting plate; 4, fixed block; 401, detection sensor; 5, connecting wire harness; 6, monitor; 7, cartridge; 8, detonating detonator; 9, fixed clamp; 10, connecting plate; 11, extrusion roller; 12, connecting spring leaf; 13, push threaded rod; 14, rotating handle; 15, extrusion plate; 16, observation window. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one: please refer to Figures 1-3 , in order to achieve the purpose of determining explosive detonation velocity, the technical scheme is provided as follows, specifically discloses: including test site 1, test site 1 is artificially dug with test hole 2, test site 1 is fixedly installed with mounting plate 3 by using bolt, and the position of mounting plate 3 and test hole 2 correspond to each other, and fixed block 4 is fixedly installed in the middle position of mounting plate 3, detection sensor 401 for detecting explosive detonation velocity is fixedly installed on the lower surface of fixed block 4, cartridge 7 is arranged in test hole 2, and cartridge 7 is filled with gunpowder, and electrically controlled detonating detonator 8 is fixedly installed on the outer surface of the lower end of cartridge 7, connecting wire harness 5 is fixedly installed on the upper end of fixed block 4, and connecting wire harness 5 is connected with monitor 6 for monitoring data, and monitor 6 is located outside the explosion range.

[0027] When the explosive detonation velocity needs to be measured, first, the test hole 2 is manually dug at the test site 1, then the mounting plate 3 is fixed on the test site 1 at the position corresponding to the test hole 2 by bolts, then the charge cylinder 7 is placed in the test hole 2, then the staff remotely opens the hole and ignites the detonator 8 to cause an explosion, at this time, the detection sensor 401 below the fixed block 4 is used to detect the explosion velocity, and the detected data is transmitted to the monitor 6 through the connecting wire harness 5 for recording.

[0028] Embodiment two: please refer to Figures 2-5 , in order to achieve the purpose of adjusting the position of the charge cylinder 7, the following technical scheme is provided, specifically disclosed: the upper end of the charge cylinder 7 is provided with a positioning mechanism for extruding the inner wall of the test hole 2, the positioning mechanism comprises a fixed clamp 9 fixedly installed on the upper surface of the cover of the charge cylinder 7, the left and right sides of the fixed clamp 9 are rotatably installed with connecting plates 10, the top ends of the connecting plates 10 are rotatably installed with extrusion rollers 11, the extrusion rollers 11 are in contact with the inner wall of the test hole 2, and connecting springs 12 are fixedly installed between the connecting plates 10 and the fixed clamp 9, a pushing threaded rod 13 is arranged above the charge cylinder 7 for pushing the charge cylinder 7, the pushing threaded rod 13 is threadedly connected between the fixed block 4, and a rotating handle 14 is coaxially fixedly installed at the top end of the pushing threaded rod 13 for driving the rotation of the pushing threaded rod 13.

[0029] When the charge cylinder 7 is placed in the test hole 2, the connecting spring 12 is used to push the connecting plate 10 to open to the left and right (the connecting plate 10 rotates around the fixed clamp 9), so that the connecting plate 10 top end extrusion roller 11 extrudes the inner wall of the test hole 2, and the charge cylinder 7 can be fixed at a certain height inside the test hole 2, then the staff drives the pushing threaded rod 13 to rotate through the rotating handle 14, so that the pushing threaded rod 13 moves downward relative to the fixed block 4, thereby pushing the charge cylinder 7 through the bottom end of the pushing threaded rod 13, and the charge cylinder 7 is pushed to the specified position.

[0030] Embodiment three: please refer to Figure 6 , in order to achieve the purpose of conveniently filling gunpowder, the following technical scheme is provided, specifically disclosed: a transversely arranged extrusion plate 16 is slidably installed inside the charge cylinder 7, a transparent observation window 15 is fixedly installed on the side surface of the charge cylinder 7, and the observation window 15 has a scale line.

[0031] After the gunpowder is filled into the charge cylinder 7, the extrusion plate 16 is placed, the gunpowder is compacted by pressing the extrusion plate 16, and the filling amount of the gunpowder is observed through the observation window 15 combined with the scale.

[0032] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A field-mixed explosive detonation velocity tester comprising a test site (1) in which a test hole (2) is artificially dug, characterized in that, Also include: The test site (1) is provided with a mounting plate (3) fixed by bolts, and the mounting plate (3) corresponds to the position of the test hole (2), and the mounting plate (3) is fixedly installed with a fixed block (4) in the middle position, and the lower surface of the fixed block (4) is fixedly installed with a detection sensor (401) for detecting the explosive detonation velocity; The test hole (2) is provided with a charging cylinder (7), and the charging cylinder (7) is filled with gunpowder, and the lower end of the charging cylinder (7) is fixedly installed with an electrically controlled detonation detonator (8), and the upper end of the charging cylinder (7) is provided with a positioning mechanism for extruding the inner wall of the test hole (2).

2. A field-mix explosive detonation velocity tester according to claim 1, characterized in that: The upper end of the fixed block (4) is fixedly installed with a connecting wire harness (5), and the connecting wire harness (5) is connected with a monitor (6) for monitoring data, and the monitor (6) is located outside the explosion range.

3. The field-mix explosive detonation velocity tester according to claim 1, characterized in that: The positioning mechanism comprises a fixed clamp (9) fixedly installed on the upper surface of the cover above the charging cylinder (7), and the left and right sides of the fixed clamp (9) are rotatably installed with a connecting plate (10).

4. A field-mix explosive detonation velocity tester according to claim 3, characterized in that: The top end of the connecting plate (10) is rotatably installed with an extrusion roller (11), and the extrusion roller (11) is attached to the inner wall of the test hole (2), and the connecting plate (10) and the fixed clamp (9) are fixedly installed with a connecting spring leaf (12).

5. The field-mix explosive detonation velocity tester according to claim 1, characterized in that: The upper end of the connecting plate (10) is rotatably installed with an extrusion roller (11), and the extrusion roller (11) is attached to the inner wall of the test hole (2), and the connecting plate (10) and the fixed clamp (9) are fixedly installed with a connecting spring leaf (12).

6. A field-mix explosive detonation velocity tester according to claim 5, characterized in that: The upper end of the connecting plate (10) is rotatably installed with an extrusion roller (11), and the extrusion roller (11) is attached to the inner wall of the test hole (2), and the connecting plate (10) and the fixed clamp (9) are fixedly installed with a connecting spring leaf (12).

7. The field-mix explosive detonation velocity tester according to claim 1, characterized in that: The inside of the charging cylinder (7) is slidably installed with a transversely arranged extrusion plate (16), and the side of the charging cylinder (7) is fixedly installed with a transparent observation window (15), and the observation window (15) has a scale line.

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