CN211028540U - Self-checking type cartridge case marking fixing rod - Google Patents
Self-checking type cartridge case marking fixing rod Download PDFInfo
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- CN211028540U CN211028540U CN201920881094.6U CN201920881094U CN211028540U CN 211028540 U CN211028540 U CN 211028540U CN 201920881094 U CN201920881094 U CN 201920881094U CN 211028540 U CN211028540 U CN 211028540U
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- inner cavity
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- fixing rod
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Abstract
The utility model relates to a self-checking type bullet shell marking dead lever, wherein a detonation transfer hole is a cylinder and is used for checking whether the size of the detonation transfer hole in the inner cavity of a bullet shell meets the production technical requirement; the arc surface of the fixed rod is a solid spherical segment and is used for checking whether the arc surface processing of the cartridge case meets the requirement or not; the inclined plane section of the fixing rod is a conical solid body and is used for checking whether the angle and the length of the inclined plane of the inner cavity of the cartridge case meet the requirements or not; the straight line section of the fixing rod is a cylindrical solid body and is used for checking whether the diameter and the length of the straight edge of the inner cavity of the cartridge case meet the requirements or not; the clamping component is used for limiting the axial rotation of the cartridge case in the coding process; the fixed rod is arranged on the working surface of the laser marking machine; the center lines of the explosion transfer hole, the arc surface, the inclined surface section, the linear surface section, the cartridge case inner cavity clamping component and the fixed rod are all overlapped. This device simple structure, it is easy and simple to handle, can effectively promote in perforating bullet production anterior segment and reject unqualified cartridge case, improve the stability of the quality of perforating bullet, reduce the personnel's inspection degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of the initiating explosive device is made, a perforating bullet shell laser coding and perforating bullet inner chamber inspection are related to, in particular to mark dead lever is beaten to self-checking formula shell case.
Background
The perforation of the oil and gas well is a key technology in the exploration and development of petroleum, and the perforating bullet has the function of perforating a casing and a cement sheath of an underground closed layer and entering a rock reservoir to form an effective seepage channel between a rock stratum and a shaft and ensure that the oil and gas well obtains due capacity. In addition to its application in oil perforation completions, perforating charges are also finding and using increasing use in other applications. The perforating bullet consists of a bullet shell, explosive and a shaped charge liner. The size of the inner cavity of the perforating charge shell is particularly important to influence the performance of the perforating charge; after the perforating bullet is pressed, the explosive and the explosive type cover are arranged inside the perforating bullet, no information can be tracked after delivery, only identification is carried out on a shell case of the perforating bullet, and the existing shell case of the perforating bullet is identified by laser coding.
The perforating bullet shell is used as an internal sunken cavity, long conventional inspection means are difficult to detect, a specially-processed thrust gauge and an internal diameter ruler are generally adopted for measurement, the difficulty and the accuracy of measurement are difficult to grasp, and the angle of an internal inclined plane section cannot be measured.
Because the type of shell case is different, beat the sign indicating number mode also inequality, current perforating bullet shell case has two kinds in total to beat the sign indicating number mode: and axially coding the perforating bullets with low hole density and circumferentially coding the perforating bullets with high hole density. Present beat sign indicating number device all fixes perforating bullet shell case with three-jaw chuck, and loading and unloading shell case all needs both hands to go on, and personnel's operation wastes time and energy. In order to improve the efficiency, a simple support is made by part of manufacturers, the cartridge case can be axially coded on the square surface, the operation is simple and rapid, and the original three-jaw chuck form can be changed for the high-hole-density perforating charge.
Disclosure of Invention
The utility model provides a technical problem be: in order to solve the technical problem that the both hands that exist of background art load and unload the shell case and waste time and energy, the utility model provides a fixed sighting rod of beating of self-checking formula shell case.
The technical scheme of the utility model is that: a self-checking type cartridge case marking fixing rod comprises a case body and a fixing rod, wherein the case body is integrally in a cartridge case shape, a cylindrical protruding hole is formed in the top end of the case body and serves as a detonation transfer hole, the bottom end of the case body and the fixing rod are integrally formed, and the axis of the fixing rod, the axis of the detonation transfer hole and the axis of the case body are mutually overlapped; an inner cavity is formed in the shell close to the joint with the fixed rod and in the direction perpendicular to the axis of the shell, and a clamping component is placed in the inner cavity; after the shell case is sleeved on the shell, the clamping component fixes the clamping position, so that the marking machine can mark conveniently.
The utility model discloses a further technical scheme is: the inner cavity is in a two-stage ladder shape, and the small-diameter cavity and the large-diameter cavity are communicated with the outer wall of the shell.
The utility model discloses a further technical scheme is: the clamping assembly comprises a first tongue key, a spring, a limiting pin and a second tongue key; the first tongue key is positioned at the small-diameter end of the inner cavity, the second tongue key is positioned at the large-diameter end of the inner cavity, and the two tongue keys are not contacted with the inner wall of the cavity; the first tongue key and the second tongue key are connected through a spring; the first tongue key axis, the spring axis and the second tongue key axis are mutually overlapped; the first tongue key, the spring and the second tongue key are fixed in a clamping mode through the limiting pin.
The utility model discloses a further technical scheme is: the first tongue key is integrally in a two-stage ladder shape, the small-diameter end is located in the small-diameter cavity, and the large-diameter end is fixedly connected with one end of the spring.
The utility model discloses a further technical scheme is: the second tongue key is integrally in a two-stage ladder shape, and the large-diameter end is fixedly connected with the other end of the spring; a groove is formed in the side wall of the large-diameter end of the second tongue key, and the axis of the groove is perpendicular to the axis of the second tongue key; one end of the limiting pin is positioned in the groove, the other end of the limiting pin is fixed on the inner cavity wall of the fixed rod, and the axis of the limiting pin is perpendicular to the axis of the second tongue key; after the cartridge case is sleeved, the straight line segment of the inner cavity of the cartridge case extrudes the spring connected with the first tongue key and the second tongue key, and the cartridge case is fixed.
The utility model discloses a further technical scheme is: the outer wall surface of the shell is integrally formed and is divided into an arc section, an inclined plane section and a linear plane section.
The utility model discloses a further technical scheme is: the arc section is a solid sphere segment and is used for checking whether the arc degree processing of the cartridge case meets the requirement or not; the circular arc section is in smooth connection with the booster hole, and the diameter of the segment is the same as the arc degree of the inner cavity of the perforating bullet shell.
The utility model discloses a further technical scheme is: the inclined plane section is a solid cone and is used for checking whether the angle and the length of the inclined plane of the inner cavity of the cartridge case meet the requirements or not; the inclined plane section is in tangent connection with the arc section, the length of the cone of the inclined plane section 3 is the same as that of the inner cavity of the perforating charge shell, and the size of the cone of the inclined plane section 3 is the same as that of the inner cavity of the perforating charge shell.
The utility model discloses a further technical scheme is: the straight line surface section is a solid cylindrical part and is used for checking whether the diameter and the length of the straight edge of the inner cavity of the cartridge case meet the requirements or not; the diameter of the bottom end close to the fixed rod is the same as that of an explosion transfer hole of the perforating charge case, the linear surface section is smoothly connected with the inclined surface section, the diameter of a cylinder of the linear surface section is the same as that of an inner cavity of the perforating charge case, and the height of the cylinder of the linear surface section is the same as that of a straight edge of the inner cavity of the perforating charge case.
Effects of the invention
The technical effects of the utility model reside in that: the utility model provides a mark dead lever is beaten to self-checking formula shell case, it is fixed the perforating bullet shell case on beating the sighting rod, observes the shell case inner chamber through shell case and the fixed assembly form of beating the sighting rod and whether accords with processing standard, and the perforating bullet shell case can be fixed on beating the sighting rod through the one hand simultaneously, beats the target pole and can beat the perforating bullet shell case of different types along with the rotation mode difference of three-jaw chuck. On the premise of ensuring the single-hand quick marking, the marking is improved from 2000 to 3000 times per day before, and meanwhile, the quick self-checking can be carried out on the size of the inner cavity of the cartridge case, and the marking is improved from 3 minutes per day to 5 seconds per day. The device has the advantages of simple structure, simple and convenient operation and high efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of the locking assembly
Description of reference numerals: 1-explosion transfer hole; 2-arc surface; 3-a slope section; 4-straight line surface section; 5-a clamping component; 6, fixing a rod; 7-first tongue key; 8, a spring; 9-a limit pin; 10-second tongue key
Detailed Description
Referring to fig. 1-2, the utility model provides a fixed technical scheme who beats the sighting rod and adopt of self-checking formula shell case does: comprises a detonation transfer hole 1, a shell inner cavity clamping component 5 and a fixed rod 6; the explosion transfer hole of the fixing rod is a cylinder and can be used for checking whether the size of the explosion transfer hole in the inner cavity of the cartridge case meets the production technical requirement; the arc surface of the fixed rod is a solid spherical segment and is used for checking whether the arc surface processing of the cartridge case meets the requirement or not; the inclined plane section of the fixing rod is a conical solid body and is used for checking whether the angle and the length of the inclined plane section of the inner cavity of the cartridge case meet the requirements or not; the straight edge of the fixing rod is a cylindrical solid body and is used for checking whether the diameter and the length of the straight edge of the inner cavity of the cartridge case meet the requirements or not.
The explosion transfer hole 1 is a solid cylinder, and the diameter of the end face of the cylinder is the same as that of the explosion transfer hole of the perforating bullet shell; the arc surface 2 is a solid spherical segment part, the arc surface 2 is smoothly connected with the explosion transfer hole 1, and the diameter of the spherical segment of the arc surface 2 is the same as the size of the arc surface of the inner cavity of the perforating bullet shell; the inclined plane section 3 is a solid cone part, the inclined plane section 3 is in tangent connection with the arc surface 2, the length of the cone of the inclined plane section 3 is the same as that of the cone of the inner cavity of the perforating charge case, and the size of the cone of the inclined plane section 3 is the same as that of the cone of the inner cavity of the perforating charge case.
The straight line surface section 4 is a solid cylindrical part, the straight line surface section 4 is smoothly connected with the inclined plane section 3, the diameter of the cylinder of the straight line surface section 4 is the same as that of the inner cavity of the perforating charge case, and the height of the cylinder of the straight line surface section 4 is the same as that of the straight edge of the inner cavity of the perforating charge case; the clamping component 5 in the inner cavity of the cartridge case is embedded in a step hole in the cylinder formed by the linear surface sections 4; the fixed rod 6 is a solid cylinder and is arranged on the working plane of the shell laser marking machine; the fixed rod 6 is completely superposed with the center lines of the booster hole 1, the arc surface 2, the inclined surface section 3, the linear surface section 4 and the cartridge case inner cavity clamping component 5. Therefore, the scheme can be used for quickly checking all sizes of the inner cavity of the perforating charge.
The clamping component comprises a first tongue key 7, a spring 8, a limiting pin 9 and a second tongue key 10, and is embedded in the small-diameter section of the stepped hole of the linear surface section 4; the spring 7 is connected with the first tongue key and controls the first tongue key to move towards the large-diameter section of the stepped hole of the linear surface section 4; the second tongue key, the spring 7 and the first tongue key are sequentially connected, and when the marking rod axially rotates, the rotation of the cartridge case is limited; the limiting pin 8 is embedded in the second tongue key and controls the second tongue key to move towards the small-diameter section and the large-diameter section of the stepped hole of the linear surface section-4-. Through the scheme, the problem that the perforating charge shell is fixed in the axial direction and the circumferential direction is solved, and the code printing can be performed through one-hand operation. In the embodiment, the diameter of the explosion transfer hole (1) is 2.5 mm-5 mm. The radius of the arc surface (2) is 10 mm-18 mm. The included angle between the inclined plane section (3) and the axis is 10-30 degrees. The specific steps of the specific embodiment are as follows:
the first step is as follows: fixing a marking fixed rod 6 on a three-jaw chuck of a marking machine; the second step is that: sleeving a cartridge case on the marking fixing rod; the third step: judging whether the processing of the inner cavity of the cartridge case meets the requirements according to the conditions of the inner cavity of the cartridge case and the assembling position of the fixed marking rod: firstly, after a cartridge case is sleeved on a marking rod, the part of a detonation transfer hole can be seen, and the size of the detonation transfer hole of the cartridge case is proved to meet the requirement of machining size; secondly, the straight edge part of the inner cavity of the cartridge case can be directly clamped through the clamping component, and the straight edge of the inner cavity of the cartridge case can just shield two positioning pins of the clamping component, so that the arc surface, the inclined surface section and the linear surface section of the inner cavity of the cartridge case are proved to meet the processing requirements; finally, the worker rotates the cartridge case in the circumferential direction by hand, and judges whether the coaxiality of the inner cavity of the cartridge case meets the processing requirement or not according to the difficulty degree of rotation;
the fourth step: setting perforating bullet marking information on a laser marking machine, and determining whether a bullet shell is in a circumferential coding mode or an axial coding mode according to different types of the bullet shell; the fifth step: after the error is confirmed, the code printing plate is stepped by feet to print the shot-hole bullet shell; and a sixth step: and taking out the perforating bullet shell, completing the perforating bullet shell inspection and marking processes, and preparing for next marking.
Claims (9)
1. A self-checking type cartridge case marking fixing rod is characterized by comprising a case body and a fixing rod (6), wherein the case body is integrally in a cartridge case shape, a cylindrical protruding hole serving as a detonation transmission hole (1) is formed in the top end of the case body, the bottom end of the case body and the fixing rod (6) are integrally formed, and the axis of the fixing rod (6), the axis of the detonation transmission hole (1) and the axis of the case body are mutually overlapped; an inner cavity is formed in the shell close to the joint with the fixed rod (6) along the direction vertical to the axis of the shell, and a clamping component is placed in the inner cavity; after the shell case is sleeved on the shell, the clamping component fixes the clamping position, so that the marking machine can mark conveniently.
2. The self-testing cartridge case marking rod as claimed in claim 1, wherein the inner cavity is two-stage stepped, and the small diameter cavity and the large diameter cavity are both communicated with the outer wall of the case.
3. The self-checking cartridge case marking fixing rod as claimed in claim 1, wherein the clamping assembly comprises a first tongue (7), a spring (8), a limiting pin (9) and a second tongue (10); the first tongue key (7) is positioned at the small-diameter end of the inner cavity, the second tongue key (10) is positioned at the large-diameter end of the inner cavity, and the two tongue keys are not in contact with the inner wall of the cavity; the first tongue key (7) is connected with the second tongue key (10) through a spring (8); the axes of the first tongue key (7), the spring (8) and the second tongue key (10) are mutually overlapped; the first tongue key (7), the spring (8) and the second tongue key (10) are clamped and fixed through a limiting pin (9).
4. The self-checking type cartridge case marking fixing rod as claimed in claim 3, wherein the first tongue key (7) is integrally in a two-stage step shape, the small diameter end is located in the small diameter cavity, and the large diameter end is fixedly connected with one end of the spring (8).
5. The self-checking type cartridge case marking fixed rod as claimed in claim 3, wherein the second tongue key (10) is integrally in a two-stage step shape, and the large-diameter end is fixedly connected with the other end of the spring (8); a groove is formed in the side wall of the large-diameter end of the second tongue key (10), and the axis of the groove is perpendicular to the axis of the second tongue key (10); one end of the limiting pin (9) is positioned in the groove, the other end of the limiting pin is fixed on the inner cavity wall of the fixing rod (6), and the axis of the limiting pin (9) is vertical to the axis of the second tongue key (10); after the cartridge case is sleeved, the straight line segment of the inner cavity of the cartridge case extrudes the spring (8) connected with the first tongue key (7) and the second tongue key (10) to fix the cartridge case.
6. The self-checking cartridge case marking fixing rod as claimed in claim 1, wherein the outer wall surface of the case is integrally formed and is divided into an arc section (2), an inclined section (3) and a straight section (4).
7. The self-checking cartridge case marking fixed rod as claimed in claim 6, wherein the arc segment (2) is a solid sphere segment and is used for checking whether the arc degree processing of the cartridge case meets the requirement; the arc section (2) is in smooth connection with the booster hole, and the diameter of the segment of the arc section (2) is the same as the arc degree of the inner cavity of the bullet shell of the perforating bullet.
8. The self-testing cartridge marking fixing rod as claimed in claim 6, wherein the inclined plane section (3) is a solid cone for checking whether the angle and the length of the inclined plane of the inner cavity of the cartridge meet the requirements; the inclined plane section (3) is tangentially connected with the circular arc section (2), the length of a cone of the inclined plane section (3) is the same as that of an inner cavity of the perforating bullet shell, and the size of the cone of the inclined plane section (3) is the same as that of the inner cavity of the perforating bullet shell.
9. The self-testing cartridge case marking fixing rod as claimed in claim 6, wherein the linear surface section (4) is a solid cylindrical part and is used for checking whether the diameter and the length of a straight edge in an inner cavity of a cartridge case meet requirements; the diameter of the bottom end close to the fixing rod (6) is the same as that of an explosion transfer hole of the perforating charge case, the linear surface section (4) is smoothly connected with the inclined surface section (3), the diameter of a cylinder of the linear surface section (4) is the same as that of an inner cavity of the perforating charge case, and the height of the cylinder of the linear surface section (4) is the same as that of a straight edge of the inner cavity of the perforating charge case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881094.6U CN211028540U (en) | 2019-06-12 | 2019-06-12 | Self-checking type cartridge case marking fixing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881094.6U CN211028540U (en) | 2019-06-12 | 2019-06-12 | Self-checking type cartridge case marking fixing rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028540U true CN211028540U (en) | 2020-07-17 |
Family
ID=71544194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920881094.6U Active CN211028540U (en) | 2019-06-12 | 2019-06-12 | Self-checking type cartridge case marking fixing rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211028540U (en) |
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2019
- 2019-06-12 CN CN201920881094.6U patent/CN211028540U/en active Active
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