A rocket sled platform charge installation initiation device for dynamic blast shock wave research

Abstract

The application provides a rocket sled platform charge installation and detonation device for dynamic explosion shock wave research, which comprises an installation base and an installation cover, and the installation base and the installation cover are assembled together to form an internal charge cabin. A cutting mechanism is installed on the installation cover. The cutting mechanism comprises a cutting rope. A trigger line is embedded below the cutting rope. The cutting mechanism further comprises a vertical pressing rope plate and a horizontal pressing rope plate; the cutting rope is in two, the vertical pressing rope plate presses one cutting rope, and the horizontal pressing rope plate presses the other cutting rope. The device can be used for developing a rocket sled-based charge dynamic explosion shock wave field characteristic research, and realizes stable installation of the charge in the speed loading process and reliable release and detonation of the charge at the loading terminal. The device can trigger a timing circuit at a specific position, and greatly improves the explosion point control precision.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of damage test, and relates to dynamic explosion shock wave research, in particular to a rocket sled platform charge installation and detonation device for dynamic explosion shock wave research. BACKGROUND

[0002] The shock wave is an important damage element of weapon equipment, and the research on the formation and space-time evolution characteristics of the shock wave field has important guiding significance for the design and manufacture of ammunition and the reasonable use. With the promotion of the research on the actual combat power of weapon equipment, the shock wave field characteristics under the dynamic explosion condition are paid more and more attention by researchers. Existing researches show that under the dynamic explosion condition, the initial state and space-time evolution process of the shock wave field are different from those under the static explosion condition, and then the actual damage effect of the shock wave field is affected. Therefore, the research on the dynamic explosion shock wave field has important actual combat significance.

[0003] The test research on the dynamic explosion shock wave field is often carried out through the actual bomb power field test. In order to overcome the research difficulties such as low signal-to-noise ratio of data and small amount of effective data caused by the complex bullet shape structure of the test sample bomb, the simplified charge with shell is adopted to cooperate with the rocket sled to study the essential characteristics of the dynamic explosion shock wave field. SUMMARY

[0004] In view of the problems in the prior art, the purpose of the present application is to provide a rocket sled platform charge installation and detonation device for dynamic explosion shock wave research, which solves the technical problems that the stability of the charge installation during the speed loading process and the reliable release and detonation of the charge at the loading terminal need to be further improved in the prior art.

[0005] In order to solve the above technical problems, the present application adopts the following technical scheme:

[0006] A rocket sled platform charge installation and detonation device for dynamic explosion shock wave research, comprising a mounting base, the mounting base and a mounting cover are assembled together to form a charge cabin inside.

[0007] The mounting cover is provided with a cutting mechanism.

[0008] The cutting mechanism comprises a cutting rope.

[0009] The cutting rope is provided below with a trigger line.

[0010] The present application also has the following technical features:

[0011] The mounting cover comprises a charge upper half cabin with a closed top and an open bottom, the closed top of the charge upper half cabin is provided outside with a top seat, and the open bottom of the charge upper half cabin is provided with an upper connecting flange.

[0012] The cutting mechanism further comprises vertical cable pressing plates and horizontal cable pressing plates; the cutting cables are two, one cutting cable is pressed by the vertical cable pressing plates, and the other cutting cable is pressed by the horizontal cable pressing plates.

[0013] The outer side wall of the top base is provided with an upper cutting cable winding groove in the circumferential direction; one cutting cable is wound in the upper cutting cable winding groove and is pressed by the vertical cable pressing plates installed on the top base.

[0014] The upper surface of the upper connecting flange is provided with a lower cutting cable winding groove in the circumferential direction; the other cutting cable is wound in the lower cutting cable winding groove and is pressed by the horizontal cable pressing plates installed on the upper connecting flange.

[0015] The vertical cable pressing plates and the horizontal cable pressing plates are respectively provided with detonator mounting seats.

[0016] The outer surface of the mounting cover is provided with a plurality of cracking prefabricated grooves.

[0017] The mounting base comprises a bottom closed and top open charge lower half cabin, the closed bottom of the charge lower half cabin is provided with a rocket sled connecting flange, and the open top of the charge lower half cabin is provided with a lower connecting flange; the lower connecting flange is fixedly connected with the upper connecting flange in cooperation, so that the charge upper half cabin and the charge lower half cabin are combined into a charge cabin.

[0018] The side surface of the charge lower half cabin is provided with a base notch.

[0019] The base notch is a base notch formed by cutting at an angle of ° between the upper surface of the lower connecting flange.

[0020] The bottom of the charge lower half cabin and the lower connecting flange are respectively provided with wire outlets.

[0021] Compared with the prior art, the present application has the following technical effects:

[0022] (I) The device of the present application can be used to carry out charge dynamic explosion shock wave field characteristic research based on a rocket sled, and realizes the stable installation of the charge in the speed loading process and the reliable release and detonation of the charge at the loading end.

[0023] (II) The device of the present application can trigger the timing circuit at a specific position, greatly improving the control precision of the explosion point.

[0024] (III) The cutting mechanism in the device of the present application enables the charge to timely separate from the rocket sled and the charge installation and detonation device, reduces the influence of external shielding on the shock wave field, and is beneficial to the observation of the dynamic explosion shock wave field characteristics.

[0025] (IV) The device of the present application has simple structure and low cost.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the overall structure schematic diagram of the charge installation and initiation device of the rocket sled platform for dynamic explosion shock wave research.

[0027] Figure 2 is the installation base structure schematic diagram.

[0028] Figure 3 is the installation cover structure schematic diagram.

[0029] Figure 4 is the cutting mechanism structure schematic diagram assembled to the installation cover.

[0030] Figure 5 is the installation schematic diagram of the charge installation and initiation device of the rocket sled platform for dynamic explosion shock wave research on the rocket sled.

[0031] The meanings of various reference numerals in the drawings are as follows: 1 - installation base, 2 - installation cover, 3 - charge cabin, 4 - cutting mechanism, 5 - trigger line. 6 - plate-shaped connecting structure, 7 - power supply device.

[0032] 101 - lower half charge cabin, 102 - rocket sled connecting flange, 103 - lower connecting flange, 104 - base notch, 105 - wire outlet hole.

[0033] 201 - upper half charge cabin, 202 - top base, 203 - upper connecting flange, 204 - upper cutting cable winding groove, 205 - lower cutting cable winding groove, 206 - cracking prefabricated groove.

[0034] 401 - cutting cable, 402 - vertical cable pressing plate, 403 - horizontal cable pressing plate, 404 - initiation detonator mounting seat.

[0035] The specific content of the present application is further explained and described in detail in connection with the following examples. DETAILED DESCRIPTION

[0036] It should be noted that the components and devices in the present application, if not specially stated, all adopt the components and devices known in the prior art.

[0037] The form of simplified shell charge cooperating with a rocket sled for speed loading is adopted to study the essential characteristics of a dynamic explosion shock wave field, and two problems need to be solved: first, in order to avoid the interference of the rocket sled on the evolution process of the dynamic explosion shock wave field, the charge needs to be released before initiation to pull apart the distance between the detonation point and the sled body; second, in order to obtain effective test results, the position of the detonation point needs to be controlled, and usually at a certain terminal velocity, the detonation delay after triggering is controlled to control the detonation point.

[0038] To achieve the above objectives, it is necessary to design a charge installation and detonation device based on a rocket skid platform to ensure the stable installation of the charge during the velocity loading process and the reliable release and detonation of the charge at the loading endpoint.

[0039] The following are specific embodiments of the present invention. It should be noted that the present invention is not limited to the following specific embodiments. All equivalent modifications made based on the technical solutions of this application fall within the protection scope of the present invention.

[0040] Example:

[0041] This embodiment provides a rocket skid platform charging and detonation device for dynamic detonation shock wave research, such as... Figure 1 As shown, it includes a mounting base 1, and the mounting base 1 and mounting cover 2 are assembled together to form a complete explosive charge compartment 3 inside.

[0042] A cutting mechanism 4 is installed on the mounting cover 2.

[0043] The cutting mechanism 4 includes a cutting cable 401.

[0044] A trigger line 5 is buried below the cutting cable 401.

[0045] In this embodiment, the material of the mounting base 1 is Q235. The material of the mounting cover 2 is hard aluminum.

[0046] In this embodiment, as Figure 1 As shown, the mounting cover 2 is fixed to the mounting base 1 with bolts, and the cutting mechanism 4 is fixed to the mounting cover 2 with bolts.

[0047] In this embodiment, as Figure 1 As shown, the cutting action area of ​​the cutting mechanism 4 covers the connection between the charge base 1 and the mounting cover 2. After the cutting action occurs, the charge base 1 and the mounting cover 2 can be separated. The cutting action area also covers the trigger line 5.

[0048] In this embodiment, as Figure 1 As shown, the cutting mechanism 4 has two main functions: first, to initiate cutting at the appropriate time so that the mounting base 1 and the mounting cover 2 can separate and release the explosive charge; second, to cut the trigger line 5 to trigger the detonation timer and achieve detonation.

[0049] In this embodiment, the starting circuit of the cutting mechanism 4 is connected to the rocket skid cutter, and the cutting is triggered by powering on at a designated position on the rocket skid track.

[0050] In this embodiment, as Figure 1As shown, the energy focusing end of the cutting cable 401 is aligned with the bottom of the cutting cable winding groove, and the cutting cable 401 can cut the mounting cover 2 along the cutting cable winding groove when in action. The cutting cable 401 is used to remove the connection between the mounting cover 2 and the mounting base 1, and release the charge.

[0051] In this embodiment, as shown in the figure, Figure 1 As shown, the trigger line 5 is installed in the action area of the cutting mechanism 4, and generates an electrical signal when broken. When the cutting cable 401 is in action, the trigger line 5 will trigger the charge detonation timing signal to achieve delay detonation.

[0052] As a specific solution of this embodiment, as shown in the figure, Figure 2 As shown, the mounting base 1 includes a charge lower half cabin 101 with a closed bottom and an open top. The closed bottom of the charge lower half cabin 101 is provided with a rocket sled connecting flange 102, and the open top of the charge lower half cabin 101 is provided with a lower connecting flange 103. The lower connecting flange 103 is fixedly connected with the upper connecting flange 203 in cooperation, so that the charge upper half cabin 201 and the charge lower half cabin 101 are combined into a complete charge cabin 3.

[0053] As a preferred solution of this embodiment, as shown in the figure, Figure 2 As shown, the side of the charge lower half cabin 101 is provided with a base gap 104. The base gap 104 is used to ensure the smooth release of the charge.

[0054] Further preferably, as shown in the figure, Figure 2 As shown, the base gap 104 is a base gap formed by cutting at an angle of 45° between the upper surface of the lower connecting flange 103. When the mounting cover 2 is cut and separated, the existence of the base gap 104 will ensure the smooth release of the charge.

[0055] Further preferably, as shown in the figure, Figure 2 As shown, the bottom of the charge lower half cabin 101 and the upper surface of the lower connecting flange 103 are respectively provided with a wire outlet hole 105. The wire outlet hole 105 is used to lead the power supply circuit of the charge and the power supply circuit of the cutting mechanism 4 out to the sled body.

[0056] In this embodiment, as shown in the figure, Figure 2 As shown, the rocket sled connecting flange 102 is provided with a mounting hole for mounting the fixed connection of the mounting base 1 and the sled body. When mounted, the base gap 104 faces upward.

[0057] As a specific solution of this embodiment, as shown in the figure, Figure 3 As shown, the mounting cover 2 includes a charge upper half cabin 201 with a closed top and an open bottom. The outside of the closed top of the charge upper half cabin 201 is provided with a top seat 202, and the open bottom of the charge upper half cabin 201 is provided with an upper connecting flange 203.

[0058] As a specific solution of this embodiment, as shown in the figure, Figure 4As shown, the cutting mechanism 4 further comprises a vertical cable pressing plate 402 and a horizontal cable pressing plate 403; the cutting cable 401 is two, the vertical cable pressing plate 402 presses one cutting cable 401, and the horizontal cable pressing plate 403 presses the other cutting cable 401.

[0059] Further preferably, as shown in Figure 3 and Figure 4 As shown, the outer side wall of the top base 202 is provided with an upper cutting cable winding groove 204 along the circumference; one cutting cable 401 is wound in the upper cutting cable winding groove 204, and the cutting cable 401 is pressed by a plurality of vertical cable pressing plates 402 installed on the top base 202.

[0060] Further preferably, as shown in Figure 3 and Figure 4 As shown, the upper surface of the upper connecting flange 203 is provided with a lower cutting cable winding groove 205 along the circumference; another cutting cable 401 is wound in the lower cutting cable winding groove 205, and the cutting cable 401 is pressed by a plurality of horizontal cable pressing plates 403 installed on the upper connecting flange 203.

[0061] Further preferably, as shown in Figure 4 As shown, the vertical cable pressing plate 402 and the horizontal cable pressing plate 403 are respectively provided with a detonator mounting seat 404. The detonator mounting seat 404 is used to install the detonator of the cutting cable 401, and the detonator can be used to trigger the cutting cable 401 to work.

[0062] Further preferably, as shown in Figure 3 As shown, the outer surface of the mounting cover 2 is provided with a plurality of cracking pre-prepared grooves 206; after the cutting mechanism 4 acts, the mounting cover 2 will be divided into a plurality of parts due to the existence of the cracking pre-prepared grooves 206, realizing the separation of the charge.

[0063] As shown in Figure 5 The installation of the rocket sled platform charge installation detonation device for dynamic explosion shock wave research in this embodiment on the rocket sled is shown in the figure; the rocket sled platform charge installation detonation device for dynamic explosion shock wave research in this embodiment is fixedly connected with the plate-shaped connecting structure 6 of the head of the rocket sled, the power supply circuit extends to the rear of the plate-shaped connecting structure 6 through the pre-prepared hole on the mounting base 1 and the plate-shaped connecting structure 6, and is connected with the power supply equipment 7.

[0064] The assembly and use of the rocket sled platform charge installation detonation device for dynamic explosion shock wave research in this embodiment are carried out according to the following steps:

[0065] Step one, connect the mounting base 1 with the plate-shaped mounting structure 6 on the rocket sled, and the base gap 104 faces upwards.

[0066] Step two, place the charge in the charge cabin 3, and lead the circuit out through the outgoing hole 105.

[0067] Step three, the installation base 1 and installation cover 2 fixed connection.

[0068] Step four, the installation cover 2 installation cutting mechanism 4.

[0069] Step five, test.

[0070] Through the test, using the rocket sled platform charge installation detonation device for dynamic explosion shock wave research, the rocket sled loading charge dynamic explosion shock wave field test can be carried out smoothly, the charge can be released smoothly, the charge detonation area can be controlled, the test signal-to-noise ratio can be increased, the data processing difficulty can be reduced, and the test research of dynamic explosion shock wave field characteristics is facilitated.

Claims

1. A rocket sled platform charge mounting initiation device for dynamic blast wave research, characterized by, It comprises a mounting base (1) and a mounting cover (2), which are assembled together to form an inside charge cabin (3); The mounting base (1) comprises a bottom-closed and top-opened lower charge cabin (101), the closed bottom of the lower charge cabin (101) is provided with a rocket sled connecting flange (102), and the top-opened bottom of the lower charge cabin (101) is provided with a lower connecting flange (103); the lower connecting flange (103) is fixedly connected with the upper connecting flange (203) in a matched mode, so that the upper charge cabin (201) and the lower charge cabin (101) are combined into the charge cabin (3). The mounting cover (2) comprises a top-closed and bottom-opened upper charge cabin (201), and the outside of the closed top of the upper charge cabin (201) is provided with a top seat (202), and the bottom-opened bottom of the upper charge cabin (201) is provided with an upper connecting flange (203). The mounting cover (2) is provided with a cutting mechanism (4). The cutting mechanism (4) comprises two cutting ropes (401), a vertical rope pressing plate (402) and a horizontal rope pressing plate (403); one cutting rope (401) is pressed by the vertical rope pressing plate (402), and the other cutting rope (401) is pressed by the horizontal rope pressing plate (403). The cutting rope (401) is provided with a trigger line (5) below.

2. A rocket sled platform charge mounting initiation device for study of blast waves from detonations as in claim 1, wherein, The outside wall of the top seat (202) is provided with an upper cutting rope winding groove (204) along the circumference; one cutting rope (401) is wound in the upper cutting rope winding groove (204), and the cutting rope (401) is pressed by a plurality of vertical rope pressing plates (402) mounted on the top seat (202). The upper surface of the upper connecting flange (203) is provided with a lower cutting rope winding groove (205) along the circumference; the other cutting rope (401) is wound in the lower cutting rope winding groove (205), and the cutting rope (401) is pressed by a plurality of horizontal rope pressing plates (403) mounted on the upper connecting flange (203).

3. A rocket sled platform charge mounting initiation device for study of blast waves from detonations as in claim 2, wherein, The vertical rope pressing plate (402) and the horizontal rope pressing plate (403) are respectively provided with a detonating fuse mounting seat (404).

4. The rocket sled platform charge mount initiation device for study of blast waves from detonations as in claim 1, wherein, The outer surface of the mounting cover (2) is provided with a plurality of cracking prefabricated grooves (206).

5. A rocket sled platform charge mounting initiation device for study of blast waves from detonations as in claim 4, wherein, The side surface of the lower charge cabin (101) is provided with a base gap (104).

6. A rocket sled platform charge mounting initiation device for study of blast waves from detonations as in claim 5, wherein, The base gap (104) is a base gap cut by an angle of 45° between the upper surface of the lower connecting flange (103).

7. A rocket sled platform charge mounting initiation device for study of blast waves from detonations as in claim 5, wherein, The bottom of the lower charge cabin (101) and the lower connecting flange (103) are respectively provided with a wire outlet hole (105).

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