CN212568179U - Explosive charging device for testing explosion speed of porous granular ammonium nitrate fuel oil explosive - Google Patents
Explosive charging device for testing explosion speed of porous granular ammonium nitrate fuel oil explosive Download PDFInfo
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- CN212568179U CN212568179U CN202021316585.5U CN202021316585U CN212568179U CN 212568179 U CN212568179 U CN 212568179U CN 202021316585 U CN202021316585 U CN 202021316585U CN 212568179 U CN212568179 U CN 212568179U
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Abstract
The utility model discloses a charge device is used in test of porous granular ammonium nitrate-fuel oil explosive detonation velocity, it includes seamless steel pipe and pin, sets up the through wires hole of relative setting along the diametric (al) on the seamless steel pipe lateral wall, and the pin is worn to be equipped with in the activity between two through wires holes, and the seamless steel pipe is arranged in to the tip of pin outside. The advantages are that: before filling seamless steel pipe with bulk explosive, wear to locate two earlier with the pin between the threading hole, the explosive is filled according to the packing density requirement and is accomplished the back, pulls out the pin, makes to form the passageway that is used for the signal line to wear to establish between the explosive between two threading holes, at this moment, can very easy penetrate the signal line along the passageway, the utility model discloses simple structure, convenient to use can effectively improve threading efficiency, low in labor strength.
Description
The technical field is as follows:
the utility model relates to an ammonium nitrate fuel oil explosive tests technical field, in particular to porous granular ammonium nitrate fuel oil explosive is charging means for test of detonation velocity.
Background art:
the porous granular ammonium nitrate fuel oil explosive is a powdery or granular explosive mixture consisting of ammonium nitrate and fuel, and is mainly used for open-pit mining blasting operation; before the explosive is used, a plurality of performance tests need to be carried out, wherein the detonation velocity test is one of main performance parameters to be tested; at present, a time measuring instrument method is generally used for testing the detonation velocity of porous granular ammonium nitrate fuel oil explosives, the bulk explosives are firstly filled into a seamless steel pipe with a closed bottom to ensure that the filling density meets the testing requirement, after the filling is finished, signal wires for testing are inserted into two opposite threading holes in the diameter direction of the seamless steel pipe, and then the detonation velocity is tested; however, the operation of passing a signal wire through one of the threading holes into a seamless steel pipe filled with explosive and then out of the other threading hole is difficult, and the threading efficiency is low due to the resistance of the explosive.
The utility model has the following contents:
an object of the utility model is to provide an improve charge device for porous granular ammonium nitrate-fuel oil explosive detonation velocity test of threading efficiency.
The utility model discloses by following technical scheme implement: the explosive charging device for the explosion velocity test of the porous granular ammonium nitrate fuel oil explosive comprises a seamless steel pipe with a closed bottom and a pin, wherein threading holes which are oppositely arranged are formed in the side wall of the seamless steel pipe along the diameter direction; the pin is arranged on the outer wall of the seamless steel pipe in a split manner through a connecting mechanism; when the medicine is filled, the pin is movably arranged between the two threading holes in a penetrating mode, and the end portion of the pin is arranged outside the seamless steel pipe.
Furthermore, the connecting mechanism comprises a storage box and a groove formed in the outer wall of the seamless steel tube, the storage box is arranged in the groove, the bottom end of the storage box is rotatably connected with the outer wall of the seamless steel tube, and two sides of the storage box are in sliding contact with two sides of the groove; the pin is movably arranged in the storage box in a split manner.
Furthermore, a stop block is fixed at one end of the pin; when the pin is arranged in the threading hole in a penetrating way, the stop block is abutted against the outer wall of the seamless steel pipe; when the pin is arranged in the storage box, the stop block is clamped at the edge of the opening of the storage box.
The utility model has the advantages that: before filling seamless steel pipe with bulk explosive, wear to locate two earlier with the pin between the threading hole, the explosive is filled according to the packing density requirement and is accomplished the back, pulls out the pin, makes to form the passageway that is used for the signal line to wear to establish between the explosive between two threading holes, at this moment, can very easy penetrate the signal line along the passageway, the utility model discloses simple structure, convenient to use can effectively improve threading efficiency, low in labor strength.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic view of the use state of the explosive filling device of the present invention.
Fig. 4 is a schematic view of the usage status of the present invention when the signal line is worn.
The parts in the drawings are numbered as follows: seamless steel pipe 1, through wires hole 1.1, pin 2, coupling mechanism 3, recess 3.1, storage box 3.2, dog 4, explosive 5, signal line 6, passageway 7.
The specific implementation mode is as follows:
as shown in fig. 1 to 4, the explosive charging device for the detonation velocity test of the porous granular ammonium nitrate fuel oil explosive comprises a seamless steel pipe 1 with a closed bottom and a pin 2, wherein threading holes 1.1 which are oppositely arranged are formed in the side wall of the seamless steel pipe 1 along the diameter direction; the outer wall of the seamless steel tube 1 is provided with a pin 2 in a split manner through a connecting mechanism 3, when charging, the pin 2 is movably arranged between two threading holes 1.1, the end part of the pin 2 is arranged outside the seamless steel tube 1, one end of the pin 2 is fixedly provided with a stop block 4, the stop block 4 is abutted against the outer wall of the seamless steel tube 1, and at the moment, the other end of the pin 2 is ensured to sequentially pass through the two threading holes 1.1; before filling seamless steel pipe 1 with bulk explosive 5, wear to locate between two through wires hole 1.1 with pin 2 earlier, after explosive 5 required to fill according to packing density, grip dog 4 and extract pin 2, make and form the passageway 7 that is used for signal line 6 to wear to establish between the explosive 5 between two through wires holes 1.1, at this moment, can very easy penetrate signal line 6 along passageway 7, the utility model discloses simple structure, convenient to use can effectively improve threading efficiency, low in labor strength.
The connecting mechanism 3 comprises a storage box 3.2 and a groove 3.1 formed in the outer wall of the seamless steel tube 1, the storage box 3.2 is arranged in the groove 3.1, the bottom end of the storage box 3.2 is rotatably connected with the outer wall of the seamless steel tube 1, two sides of the storage box 3.2 are tightly matched with two sides of the groove 3.1 and are in sliding contact, the storage box 3.2 can be buckled in the groove 3.1, and the storage box 3.2 can also be rotated out from the groove 3.1; when the storage box 3.2 is rotated out, the pin 2 can be placed in the storage box 3.2, so that the explosive 5 can be conveniently used during filling; when the pin 2 is arranged in the storage box 3.2, the stop block 4 is clamped at the opening edge of the storage box 3.2, so that the pin 2 can be taken out from the storage box 3.2 quickly, and when the storage box 3.2 is buckled in the groove 3.1, the stop block 4 is arranged between the top end of the storage box 3.2 and the top side of the groove 3.1, so that the loss can be avoided; when 5 loads of explosive, open and store box 3.2, take out pin 2 to wear to locate through wires hole 1.1, after 5 loads of explosive, extract pin 2 and place in storing box 3.2, will store box 3.2 lock again in recess 3.1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The explosive charging device for the explosion velocity test of the porous granular ammonium nitrate fuel oil explosive is characterized by comprising a seamless steel pipe with a closed bottom and a pin, wherein threading holes which are oppositely arranged are formed in the side wall of the seamless steel pipe along the diameter direction; the pin is arranged on the outer wall of the seamless steel pipe in a split manner through a connecting mechanism; when the medicine is filled, the pin is movably arranged between the two threading holes in a penetrating mode, and the end portion of the pin is arranged outside the seamless steel pipe.
2. The charging device for the detonation velocity test of the porous granular ammonium nitrate fuel oil explosive according to claim 1, wherein the connecting mechanism comprises a storage box and a groove formed in the outer wall of the seamless steel pipe, the storage box is arranged in the groove, the bottom end of the storage box is rotatably connected with the outer wall of the seamless steel pipe, and two sides of the storage box are in sliding contact with two sides of the groove; the pin is movably arranged in the storage box in a split manner.
3. The charge for testing the detonation velocity of the porous granular ammonium nitrate fuel oil explosive according to claim 2, wherein a stop block is fixed at one end of the pin; when the pin is arranged in the threading hole in a penetrating way, the stop block is abutted against the outer wall of the seamless steel pipe; when the pin is arranged in the storage box, the stop block is clamped at the edge of the opening of the storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316585.5U CN212568179U (en) | 2020-07-07 | 2020-07-07 | Explosive charging device for testing explosion speed of porous granular ammonium nitrate fuel oil explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316585.5U CN212568179U (en) | 2020-07-07 | 2020-07-07 | Explosive charging device for testing explosion speed of porous granular ammonium nitrate fuel oil explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212568179U true CN212568179U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021316585.5U Active CN212568179U (en) | 2020-07-07 | 2020-07-07 | Explosive charging device for testing explosion speed of porous granular ammonium nitrate fuel oil explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212568179U (en) |
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2020
- 2020-07-07 CN CN202021316585.5U patent/CN212568179U/en active Active
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