CN214221155U - Perforating bullet jet form detection device - Google Patents
Perforating bullet jet form detection device Download PDFInfo
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- CN214221155U CN214221155U CN202021666525.6U CN202021666525U CN214221155U CN 214221155 U CN214221155 U CN 214221155U CN 202021666525 U CN202021666525 U CN 202021666525U CN 214221155 U CN214221155 U CN 214221155U
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Abstract
The utility model discloses a perforating bullet jet form detection device, which comprises a detonating cord, a detonator, a perforating bullet, a gun inner explosive height, a simulation gun piece, a gun sleeve gap, a target piece and a device main body; during assembly, the target sheet is placed in a fixing sleeve of the device main body, the fixing sleeve is limited to move in the horizontal direction through adjusting the positioning screws, and the target sheet is limited to move in the vertical direction through assembling the pressing ring. Compared with the prior art, the detection device can describe the jet flow form formed after the perforating bullet simulation gun penetrates through the stratum more accurately, is suitable for various types of perforating bullets, is easy to disassemble and simple to operate, can be used repeatedly, further improves the experimental efficiency, improves the accuracy of perforating bullet performance test, and has popularization value for promoting the development and optimization of various types of perforating bullets.
Description
Technical Field
The utility model belongs to oil and gas trade exploitation field mainly relates to a testing arrangement of blasting equipment, mainly relates to a perforation bullet efflux form detection device.
Background
The perforating bullet is based on the principle of shaped charge and utilizes the energy produced by the detonation of high-energy explosive to quickly collapse the shaped charge cover to form high-speed metal jet flow so as to attain the goal of communicating oil-gas well with stratum and research the jet flow form of perforating bullet to reversely push the optimum scheme of perforating bullet.
Generally, the test scheme for detecting the jet flow form has a certain sample size requirement, so that a detection device has a large demand in the test, and generally, the perforation industry personnel mainly research the jet flow form through two methods: firstly, a pulse X-ray photography is adopted to research the jet form generated after a perforating bullet explodes and a jet penetrates through a perforating gun, but the state in the actual work in the perforating bullet testing process is not simulated, namely the influence of the explosive height in the gun and the thickness of a gun piece of the perforating bullet on the perforating elastic performance is not simulated, so that the jet form characteristic of the emergent perforating bullet cannot be accurately tested, and after the perforating bullet explodes, a shell forms countless small fragments to scatter around under the action of explosive shock waves, so that the damage to a camera can be caused; the second method adopts a solid steel target test, then cuts the steel target to research the jet form, but after the jet test is finished, the cutting of the whole steel target is difficult, and because the cutting loss has influence on the jet aperture, the research on the jet form has certain error influence. Based on the two detection devices, the detection device which can simulate the actual working state, is easy to test the jet state and can be repeatedly used needs to be redesigned, and the operation and the detection are optimized.
Disclosure of Invention
The utility model provides a technical problem be: in order to avoid the weak point of prior art, the utility model relates to a perforation bullet efflux form detection device is fit for the device of various bullet types, and the device of simulation test perforation bullet under actual operating condition. The device has the characteristics of simple structure, convenience in installation and operation, reliable test result and the like.
The technical scheme of the utility model is that: a perforating bullet jet flow form detection device comprises a detonating cord, a detonator, a perforating bullet, a gun inner explosive height, a simulation gun piece, a gun sleeve gap, a target piece and a device main body; the target plates are stacked and tiled in the device main body, the gun sleeve gap is made of PVC pipes arranged in a ring mode, the device main body is an iron sleeve with openings at two ends, and a cavity body is arranged inside the device main body and comprises a pressing cap, a positioning bolt, a fixing plate and a fixing frame; the positioning bolts are symmetrically provided with threaded holes through the side wall of the fixing frame, the circumferential fixing plate in the fixing frame is adjusted by the size of the target sheet, and the fixing plate can pass through an iron plate transversely contracted by the positioning bolts and is coaxially arranged without contact; the axes of the fixed plate, the fixed frame and the perforating bullet are superposed; the target sheets are laid in the cavity of the fixing plate layer by layer, the two ends of the target sheets are matched with the adjusted size of the fixing plate, and the fixing plate is fully paved.
The utility model discloses further technical scheme is: the height of the inner explosion height of the gun is not less than 4 mm.
The utility model discloses further technical scheme is: the height of the holster gap is not less than 4 mm.
Effects of the invention
The technical effects of the utility model reside in that: adopt perforating bullet jet detection device can simulate the jet form that forms after the rifle is worn in the perforating bullet explosion, is applicable to various gun type perforating bullets, equipment operation is simple, and the security is high, design such as repeatability height to improve the accuracy of perforating elastic energy test, promote each type perforating bullet development and optimization.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of the main structure of the present invention
Description of reference numerals: 1-a detonating cord; 2-a detonator; 3-a perforating charge; 4-the gun is high; 5-simulating a gun piece; 6-holster clearance; 7-target slice; 8-a device body; 9-pressing a cap; 10-determining as a bolt; 11-a fixed plate; 12-a fixing frame.
Detailed Description
The technical solution of the present invention is further explained below with reference to specific embodiments. Referring to fig. 1-2, the technical solution of the present invention is: a perforating bullet jet flow form detection device comprises a detonating cord 1, a detonator 2, a perforating bullet 3, a gun inner explosive height 4, a simulation gun piece 5, a gun sleeve gap 6, a target piece 7 and a device main body 8; the device main body 8 comprises a pressing cap 9, a positioning bolt 10, a fixing plate 11 and a fixing frame 12; the target sheet 7 is placed in a fixing plate 11, the circumferential fixing sleeve 11 limits horizontal movement through a bolt 10, a pressing cap 9 fixes the circumferential fixing sleeve 11 to axially move in a string mode, a gun sleeve fixing plate gap 6 is placed on a target body, after the target body is filled with water, a simulation gun sheet 5 is placed on the gun sleeve gap 6, the gun explosive height 4 and the perforating bullet 3 are connected through a medical adhesive tape and then placed on the simulation gun sheet 5, and the detonating fuse 1 and the perforating bullet 3 are connected and then connected with the detonator 2. After the simulation gun piece 5 is marked, the simulation gun piece is placed on the gun sleeve gap 6 without connection; the inner gun height 4 and the perforating bullet 3 are connected by medical rubberized fabric and are placed on the simulation gun piece 5 after the completion, and after the detonation instrument detonates, the perforating bullet forms jet flow which sequentially penetrates through the inner gun height 4, the simulation gun piece 5, the gun sleeve gap 6 and the target piece 7, marks the target piece 7 and collects the perforated aperture data for analysis.
The utility model discloses a further technical scheme is: the perforating bullet jet flow form detection device is characterized by comprising a perforating bullet 3, a simulation gun piece 2, a gun sleeve gap 6 and a device main body 8, wherein the axes of the perforating bullet 3, the simulation gun piece 2, the gun sleeve gap 6 and the device main body 8 are mutually overlapped.
The utility model is mainly characterized in that: the perforating bullet jet flow form detection device is characterized in that perforating bullets with various calibers can be placed in the device body 8, and the universality of the device is met.
The utility model is mainly characterized in that: the perforating bullet jet flow form detection device is characterized in that the device target body 7 is composed of a plurality of casing pipe pieces, and perforation apertures, perforation forms and jet flow speeds of different depths can be detected after simulated perforation is completed.
The utility model is mainly characterized in that: the perforating bullet jet flow form detection device is characterized in that the height of the inner explosive height 4 of a gun is not less than 4mm, and the height of the gun sleeve gap 6 is not less than 4 mm.
The utility model is mainly characterized in that: the perforating bullet jet flow form detection device is characterized in that the device fixing plate 11 can be replaced according to the shape and the size of the target body 7, and the experimental requirements are met.
Referring to fig. 1, the apparatus includes a detonating cord 1; a detonator 2; a perforating charge 3; the inner height of the gun is 4; a simulation gun piece 5; the holster moisture gap 6; a target 7; a device main body 8. Wherein the device body 8 comprises a press cap 9; a positioning bolt 10; a fixed plate 11; the fixed frame 12, the target body 7 is placed in fixed plate 11, and the fixed cover of circumference is fixed through set bolt 10, presses the fixed cover 11 axial of the fixed cover of circumference of cap 9 to move, and gun case clearance 6 is placed on a plurality of target pieces 7, and simulation gun piece 5 is placed on gun case clearance 6 and is fired height 4 and perforating bullet 3 connect and place in simulation gun piece 5 in the rifle, and detonating cord 1 is connected with 2 with the detonator after perforating bullet 3 connects.
During testing, firstly, calculating and selecting the thickness of a simulation gun piece according to the gun type of the assembly of the measured perforating charge; secondly, placing a plurality of target sheets in the device and fixing the target sheets by using a circumferential fixing sleeve, filling the gun sleeve gap with water, placing a simulation gun sheet on the gun sleeve gap, and placing a perforating bullet with high explosive in a connecting gun on the simulation gun sheet; thirdly, connecting the perforating bullet and the detonating cord; fourthly, connecting the detonating cord with the detonator, and respectively connecting the detonating cord with the detonator and the detonating instrument; fifthly, detonating by using a detonator, enabling the perforating bullet to form jet flow to penetrate through a simulation gun piece (blind hole), a gun sleeve gap (water environment of a gun and a sleeve) and a target piece (sleeve and stratum), leaving jet flow shapes on the simulation gun piece and the target piece, and performing simulation analysis by acquiring aperture data so as to evaluate the performance of the perforating bullet; and sixthly, after the test experiment is finished, disassembling and wiping the experimental device for the next use.
Claims (3)
1. A perforating bullet jet flow form detection device is characterized by comprising a detonating cord (1), a detonator (2), a perforating bullet (3), a gun inner explosive height (4), a simulation gun piece (5), a gun sleeve gap (6), a target piece (7) and a device main body (8); the target plates (7) are arranged in the device main body (8) in a stacked and tiled mode, the gun sleeve gap (6) is made of PVC pipes installed in a ring mode, the device main body (8) is an iron sleeve with openings at two ends, a cavity body is arranged inside the device main body, and the device main body comprises a pressing cap (9), a positioning bolt (10), a fixing plate (11) and a fixing frame (12); the positioning bolts (10) are symmetrically provided with threaded holes through the side wall of the fixing frame (12) to adjust the size of the target sheet (7) to be positioned on a circumferential fixing plate (11) in the fixing frame (12), and the fixing plate (11) can pass through an iron plate which is transversely contracted by the positioning bolts and is coaxially arranged without contact; the axes of the fixed plate (11), the fixed frame (12) and the perforating bullet (3) are superposed; the target sheets (7) are laid in the cavity of the fixing plate (11) layer by layer, the two ends of the target sheets (7) are matched with the adjusted size of the fixing plate (11), and the fixing plate (11) is fully paved.
2. The perforating charge jet pattern detection device of claim 1 in which the height of the detonation height (4) in the gun is not less than 4 mm.
3. The perforating charge jet pattern inspection device of claim 1, characterized in that the height of the holster gap (6) is not less than 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666525.6U CN214221155U (en) | 2020-08-12 | 2020-08-12 | Perforating bullet jet form detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021666525.6U CN214221155U (en) | 2020-08-12 | 2020-08-12 | Perforating bullet jet form detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221155U true CN214221155U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021666525.6U Active CN214221155U (en) | 2020-08-12 | 2020-08-12 | Perforating bullet jet form detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221155U (en) |
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2020
- 2020-08-12 CN CN202021666525.6U patent/CN214221155U/en active Active
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