CN212693759U

CN212693759U - Energetic material testing arrangement

Info

Publication number: CN212693759U
Application number: CN202020720333.2U
Authority: CN
Inventors: 牛蓉
Original assignee: Jiaxing Juli Packing Co ltd
Current assignee: Jiaxing Juli Packing Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-03-12
Anticipated expiration: 2030-05-06

Abstract

The utility model provides an energetic material testing arrangement belongs to explosion percentage measuring device, and this detection device includes mounting panel, rack, electro-magnet, striking seat and striking mallet etc. has advantages such as easy operation, reading are directly perceived, prevent second landing striking, the utility model is suitable for an impact sensitivity of various energetic materials such as explosive, gunpowder, ignition powder, delay powder, propulsion powder and pyrotechnic composition surveys, through different hammer, the many times of impact of co-altitude, observes whether explodes, burns, decomposes, surveys its explosion percentage, is striking sensitivity value promptly.

Description

Energetic material testing arrangement

Technical Field

The utility model belongs to explosion percentage measuring device especially relates to an energetic material testing arrangement.

Background

The impact sensitivity is one of important items for detecting the safety of the explosive, and refers to the difficulty of explosion of the explosive under the action of mechanical impact. Through the measurement and research on the impact sensitivity of the explosive, the safety of the explosive in the processes of production, transportation, storage and use can be directly and effectively measured.

The energetic material testing device is researched for determining the impact sensitivity of explosives, the existing energetic material testing device is lack of reasonable electromagnets and falling hammers, the problems of complex structure, complex operation and the like exist, and meanwhile, the falling hammers do not have tongue clamping structures and cannot avoid secondary impact.

SUMMERY OF THE UTILITY MODEL

The utility model provides an energetic material testing arrangement includes mounting panel, rack, electro-magnet, striking seat and striking mallet etc. has advantages such as easy operation, reading are directly perceived, prevent landing striking for the second time, the utility model is suitable for an impact sensitivity survey of explosive, gunpowder and pyrotechnic agent through different drop hammer, not many times of co-altitude impact, observes whether explodes, burning, decomposes, surveys its explosion percentage, is the impact sensitivity value promptly.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

the utility model provides an energetic material testing arrangement includes mounting panel, rack, scale, electro-magnet, striking seat and striking mallet, wherein: the number of the mounting plates is two, the two mounting plates are oppositely arranged, a chute is formed in each mounting plate, and the bottom of each mounting plate is fixed on the base through a reinforcing rib; the rack is arranged on the inner wall of the mounting plate; the scale is attached to the side wall of the mounting plate; the electromagnet is arranged on the sliding chutes of the two mounting plates in an adjustable position and is used for controlling whether the impact hammer falls down or not; the impact seat is arranged right below the electromagnet and between the two mounting plates, and the top of the impact seat is used for containing a quantitative sample; the impact hammer is slidably arranged on the sliding grooves of the two mounting plates and is positioned between the electromagnet and the impact seat, the bottom of the impact hammer is provided with an impact head which is matched with the impact seat to work, and the top of the impact hammer can be adsorbed by the electromagnet after being electrified; after the impact hammer impacts the sample for one time, the clamping tongue can be popped out in the rebound and rising process, and the impact hammer is limited by the clamping tongue and the rack to avoid secondary impact.

Preferably, the impact hammer is composed of a detachable hammer cover and a hammer body, sliding rods matched with the sliding grooves to work are arranged on two sides of the hammer body, positioning nuts are arranged at the outer ends of the sliding rods, an installation cavity is formed between the hammer cover and the hammer body, a piston head is arranged in the installation cavity, a pressure spring is arranged between the piston head and the inner wall of the installation cavity, the bottom of the piston head is connected with the impact head, side grooves are formed in two sides of the bottom of the hammer body, the clamping tongue is installed in the side grooves through a rotating shaft, a torsion spring is arranged between the clamping tongue and the rotating shaft, and the torsion spring generates outward turning torque on the clamping tongue; when the impact head is not impacted, one end of the clamping tongue is limited by the side wall of the piston head and cannot rotate; after the impact head impacts, the piston head overcomes the elasticity of the compression spring to rise, and the clamping tongue is separated from the side wall of the piston head, is ejected out under the action of the compression spring and is contacted with the rack.

Preferably, the rack comprises uniformly distributed oblique teeth and reset teeth positioned at the top, and the oblique teeth and the clamping tongue are matched to work, so that the striking hammer is allowed to move upwards on one hand, and the striking hammer is prevented from moving downwards on the other hand; the reset tooth drives the clamping tongue to swing for resetting, so that the piston head falls to the bottom of the mounting cavity.

Preferably, the outer wall of the electromagnet is provided with an installation rod which is matched with the sliding groove to work, and the installation rod is provided with an installation nut.

Preferably, the mounting plate comprises a single-chute structure and a double-chute structure:

in the single-sliding-groove structure, the rack is arranged on one side of the sliding groove;

in the double-sliding-groove structure, the rack is arranged between the two sliding grooves.

The utility model discloses an energetic material testing arrangement has following beneficial effect:

the detection device has the advantages of simplicity in operation, visual reading, prevention of secondary sliding impact and the like, is suitable for impact sensitivity determination of explosives, gunpowder and pyrotechnic agents, observes whether to explode, burn and decompose through multiple impact actions of different drop hammers and different heights, and determines the explosion percentage of the explosion percentage, namely the impact sensitivity value. The scale is arranged on the mounting plate, the falling height can be directly read, whether the electromagnet is electrified or not is controlled, and then whether the impact hammer falls or not and the falling time of the impact hammer are controlled through the magnetic field; the falling hammer is internally provided with a clamping tongue, a spring and the like, the clamping tongue can be popped out in the rebound and rising process after the falling hammer impacts a sample for one time, and the falling hammer is limited by the clamping tongue and the rack to avoid secondary impact.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a first structure of the mounting plate of the present invention;

fig. 3 is a second structural schematic diagram of the mounting plate of the present invention;

FIG. 4 is a schematic view of a first structure of the drop hammer of the present invention;

fig. 5 is a second structural diagram of the drop hammer of the present invention.

In the figure, 1-mounting plate, 101-sliding groove, 102-reinforcing rib, 103-base, 2-rack, 201-helical tooth, 202-reset tooth, 3-scale, 4-electromagnet, 401-mounting rod, 402-mounting nut, 5-impact seat, 6-impact hammer, 601-impact head, 602-sliding rod, 603-positioning nut, 604-mounting cavity, 605-piston head, 606-pressure spring, 607-side groove, 608-rotating shaft, 609-latch and 610-torsion spring.

Detailed Description

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The invention is further explained according to the attached drawings:

as shown in fig. 1 to 5, the energetic material testing device comprises a mounting plate 1, a rack 2, a scale 3, an electromagnet 4, an impact seat 5 and an impact hammer 6, wherein: the number of the mounting plates 1 is two, the two mounting plates 1 are oppositely arranged and arranged in parallel, a chute 101 is formed in each mounting plate 1, and the bottom of each mounting plate 1 is fixed on a base 103 through a reinforcing rib 102; the rack 2 is arranged on the inner wall of the mounting plate 1; the scale 3 is attached to the side wall of the mounting plate 1; the electromagnet 4 is arranged on the sliding chutes 101 of the two mounting plates 1 in an adjustable position and is used for controlling whether the striking hammer 6 falls down or not; the impact seat 5 is arranged under the electromagnet 4 and between the two mounting plates 1, and the top of the impact seat 5 is used for containing quantitative samples. The striking hammer 6 is slidably mounted on the sliding grooves 101 of the two mounting plates 1 and is located between the electromagnet 4 and the striking seat 5, the bottom of the striking hammer 6 is provided with a striking head 601 matched with the striking seat 5 for working, and the top of the striking hammer 6 can be adsorbed by the electromagnet 4 after being electrified.

It should be noted that, sliding rods 602 cooperating with the sliding chute 101 are disposed on two sides of the striking hammer 6, a positioning nut 603 is disposed at an outer end of the sliding rod 602, an installation rod 401 cooperating with the sliding chute 101 is disposed on an outer wall of the electromagnet 4, an installation nut 402 is disposed on the installation rod 401, and the positioning nut 603 only plays a role in positioning and does not need to be fastened, because it is ensured that the striking hammer 6 freely slides, the installation nut 402 plays a role in fastening.

It should be further noted that the mounting plate 1 includes two structures, i.e., a single-sliding-groove structure in which the rack 2 is mounted on one side of the sliding groove 101 and a double-sliding-groove structure in which the rack 2 is mounted in the middle of the two sliding grooves 101, as shown in fig. 2 and 3, and in this case, includes two sliding rods 602 and the mounting rod 401, and the side groove 607 is opened at a middle position.

Referring to fig. 4 and 5, the striking hammer 6 is composed of a detachable hammer cover and a hammer body, the hammer cover and the hammer body are connected through threads, an installation cavity 604 is formed between the hammer cover and the hammer body of the hammer body, a piston head 605 is arranged in the installation cavity 604, a pressure spring 606 is arranged between the piston head 605 and the inner wall of the installation cavity 604, the bottom of the piston head 605 is connected with the striking head 601, side grooves 607 are formed in two sides of the bottom of the hammer body, a clamping tongue 609 is installed inside the side grooves 607 through a rotating shaft 608, a torsion spring 610 is arranged between the clamping tongue 609 and the rotating shaft 608, and the torsion spring 610 generates outward turning torque on the clamping.

During specific work, when the impact head 601 does not impact, the piston head 605 is positioned at the bottom of the mounting cavity 604, and one end of the clamping tongue 609 is limited by the side wall of the piston head 605 and cannot rotate; after the impact head 601 impacts, the piston head 605 is lifted against the elastic force of the compression spring 606, and the latch 609 is ejected by the torsion spring 610 and contacts with the rack 2. The rack 2 comprises uniformly distributed inclined teeth 201 and reset teeth 202 positioned at the top, and the inclined teeth 201 and the clamping tongues 609 work together to allow the falling hammer 6 to move upwards on one hand and prevent the falling hammer 6 from moving downwards on the other hand; the reset tooth 202 drives the latch 609 to swing to reset, so that the piston head 605 falls to the bottom of the mounting cavity 604. When it is desired to reset striker 601, it is only necessary to move striker 601 further upward to allow latch 609 to pass reset tooth 202, at which time reset tooth 202 can drive latch 609 to reset, at which time piston head 605 falls to the bottom of mounting cavity 604 and latch 609 retracts.

During specific work, the impact hammer 6 is moved through manual operation or the impact hammer 6 is directly attracted by the magnetic field of the electromagnet 4, a permanent magnet can be arranged on the impact hammer 6, after the impact hammer 6 is subjected to external force, the impact hammer 6 continuously moves upwards until the impact hammer 6 is withdrawn through the reset teeth 202 and the latch 609, at the moment, the piston head 605 falls to the bottom of the installation cavity 604, the impact hammer 6 is adsorbed to the electromagnet 4, then the energetic material for experiments is placed into the impact seat, and the experiments can be carried out by timely powering off the electromagnet 4.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an energetic material testing arrangement, its characterized in that includes mounting panel (1), rack (2), scale (3), electro-magnet (4), striking seat (5) and striking mallet (6), wherein:

the number of the mounting plates (1) is two, the two mounting plates (1) are arranged oppositely, a sliding groove (101) is formed in each mounting plate (1), and the bottom of each mounting plate (1) is fixed on a base (103) through a reinforcing rib (102);

the rack (2) is arranged on the inner wall of the mounting plate (1);

the scale (3) is attached to the side wall of the mounting plate (1);

the electromagnet (4) is arranged on the sliding chutes (101) of the two mounting plates (1) in an adjustable position and is used for controlling whether the striking hammer (6) falls down or not;

the impact seat (5) is arranged right below the electromagnet (4) and between the two mounting plates (1), and the top of the impact seat (5) is used for containing a quantitative sample;

the striking hammer (6) is slidably mounted on the sliding grooves (101) of the two mounting plates (1) and is positioned between the electromagnet (4) and the striking seat (5), the bottom of the striking hammer (6) is provided with a striking head (601) which is matched with the striking seat (5) to work, and the top of the striking hammer (6) can be adsorbed by the electromagnet (4) after being electrified;

after the impact hammer (6) impacts the sample once, the clamping tongue (609) can be ejected in the rebound and rising process, and the impact hammer (6) is limited by the clamping tongue (609) and the rack (2) to avoid secondary impact.

2. The energetic material testing device according to claim 1, wherein the striking hammer (6) is composed of a detachable hammer cover and a hammer body, two sides of the hammer body are provided with sliding rods (602) which are matched with the sliding grooves (101) for work, the outer end of each sliding rod (602) is provided with a positioning nut (603), a mounting cavity (604) is formed between the hammer cover and the hammer body, a piston head (605) is arranged in the mounting cavity (604), a pressure spring (606) is arranged between the piston head (605) and the inner wall of the mounting cavity (604), the bottom of the piston head (605) is connected with the impact head (601), side grooves (607) are arranged on two sides of the bottom of the hammer body, the clamping tongue (609) is arranged in the side grooves (607) through a rotating shaft (608), a torsion spring (610) is arranged between the clamping tongue (609) and the rotating shaft (608), and the torsion spring (610) generates an external rotation torque for the clamping tongue (609);

when the impact head (601) does not impact, one end of the clamping tongue (609) is limited by the side wall of the piston head (605) and cannot rotate; after the impact head (601) impacts, the piston head (605) overcomes the elasticity of the compression spring (606) to rise, and the clamping tongue (609) is separated from the side wall of the piston head (605), is ejected out under the action of the torsion spring (610) and is contacted with the rack (2).

3. The energetic material testing device according to claim 2, characterized in that the rack (2) comprises uniformly distributed inclined teeth (201) and reset teeth (202) at the top, the inclined teeth (201) and the latch tongue (609) work together to allow the striking hammer (6) to move upwards on the one hand and prevent the striking hammer (6) from moving downwards on the other hand; the reset tooth (202) drives the clamping tongue (609) to swing and reset, so that the piston head (605) falls to the bottom of the mounting cavity (604).

4. The energetic material testing device according to claim 3, wherein the outer wall of the electromagnet (4) is provided with a mounting rod (401) which is matched with the chute (101) to work, and the mounting rod (401) is provided with a mounting nut (402).

5. The energetic material testing device according to claim 4, characterized in that the mounting plate (1) comprises two structures, a single chute structure and a double chute structure:

in the single-chute structure, a rack (2) is arranged on one side of a chute (101);

in the double-sliding-groove structure, the rack (2) is arranged between the two sliding grooves (101).