CN220583195U - Self-adaptive centering supporting device for small-caliber barrel - Google Patents
Self-adaptive centering supporting device for small-caliber barrel Download PDFInfo
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- CN220583195U CN220583195U CN202321904441.5U CN202321904441U CN220583195U CN 220583195 U CN220583195 U CN 220583195U CN 202321904441 U CN202321904441 U CN 202321904441U CN 220583195 U CN220583195 U CN 220583195U
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- 238000005096 rolling process Methods 0.000 claims description 15
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- 230000007547 defect Effects 0.000 description 8
- 208000008918 voyeurism Diseases 0.000 description 5
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Abstract
The utility model relates to a self-adaptive centering support device for a small-caliber barrel, belonging to the technical field of gun bore detection of artillery. The front self-adaptive centering support device and the rear self-adaptive centering support device have the same structure and consist of a vehicle body, a roller seat, a front limit seat, a compression spring, three groups of uniformly distributed rollers, roller shafts and extension springs; when the miniature camera is used, three rollers are respectively contacted with the inner surface of the barrel, the three roller shafts respectively move downwards along the small inclined planes of the roller seats, balance is formed under the combined action of pressure and tension spring force, at the moment, the three rollers are respectively contacted with the inner surface of the barrel and have consistent stress conditions, the axes of the car body are respectively determined through the outer surfaces of the roller shafts and the small inclined planes of the roller seats, at the moment, the car body axes are coincident with the barrel axes, and therefore, the centering support of the miniature camera is realized when the self-adaptive barrel pipe diameter is realized.
Description
Technical Field
The utility model relates to the technical field of gun bore detection, in particular to a self-adaptive centering support device for a small-caliber barrel.
Background
Before assembly and after trial firing, the gun barrel is inspected for surface quality, including scratch, burn, loose, black skin, crack, tortoise spot and other faults. Because of the narrow space on the surface of the bore, direct visual detection is not possible; since the fifty years, the optical tube is used for inspection, clear images are directly seen through an ocular lens by an optical system, and the geometric shape and the size of the defects can be estimated, but the observable parts are narrow, the manual operation is numerous, the defects are observed for a long time in a monocular way, and the defects are inconvenient to analyze and study; at present, television image inspection is mostly used, and an image is transmitted to a display device through a miniature camera to observe, measure and analyze defects, but the view finding range of the camera is limited, and the camera shakes to obtain the position and the size of the accurate defects.
The existing peeping chamber instrument centering support typical structure has three types: firstly, an elastic umbrella-shaped structure is adopted, so that the miniature camera can be supported in the barrel in a centering way, but the structure is not suitable for a small-caliber barrel, the contact part of the umbrella-shaped structure and the inner surface of the barrel is in sliding friction, and when a rifling is arranged in the barrel, the contact part of the umbrella-shaped support structure and the inner surface of the barrel is extremely easy to be locked in a rifling female wire groove, so that the advancing of the endoscopic instrument is stopped and fails, and the centering support function is lost; the second is to adopt the structure of the spring support rod roller, make the roller contact with inner surface of the barrel by means of spring force, the friction property is rolling friction, the roller length can avoid the card locking in the rifling when enough, but the structure is not easy to realize the simultaneous linkage of each roller to realize the centering support, each roller has different stress conditions; the third is adjustable centering supporting structure of worm and worm wheel, this structure can realize the linkage of each worm wheel and gyro wheel that links to each other with it, realizes the centering, but this structure total parts number measurement, profile of tooth part processing are complicated, the requirement of installing and adjusting is high, can not self-adaptation barrel internal diameter often, inapplicable and small-bore barrel.
Disclosure of Invention
The utility model mainly aims to provide a self-adaptive and centering support device suitable for a small-caliber barrel, which is used for installing a miniature camera head of a peeping chamber, so that a manually driven or electrically driven peeping chamber instrument can move along the axis of the barrel, and accurate positioning and size measurement of a barrel defect by taking the axis of the barrel and one end face as references are realized, so that the problems in the background technology are effectively solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the self-adaptive centering support device for the small-caliber barrel comprises a front self-adaptive centering support device, a miniature camera, a rear self-adaptive centering support device and a connector seat, wherein the front self-adaptive centering support device and the rear self-adaptive centering support device have the same structure and consist of a vehicle body, a roller seat, a front limiting seat, a compression spring, three groups of uniformly distributed rollers, a roller shaft and an extension spring; the front self-adaptive centering support device and the rear self-adaptive centering support device share a vehicle body, the vehicle body is formed by processing a circular shaft, the structures at two ends of the circular shaft are the same and are fine optical shafts, shaft heads of the fine optical shafts are provided with threads, three uniformly distributed radial open grooves are formed in the positions, which are connected with the fine optical shafts, of the circular shaft along the axial direction, the three grooves only keep the thin-wall structure, redundant materials among the grooves are removed, the middle part of the circular shaft is respectively provided with a long deep groove at the upper surface and the lower surface, the bottoms of the two long deep grooves are parallel, the bottom of one long deep groove coincides with the axis of the circular shaft, and two through holes A which are axially arranged are formed in the middle of the bottom of the deep groove;
the front limit seat structure is a short round shaft with a deep hole in the middle, a through hole B is formed in the center of the round shaft, and the outer side of the opening end of the round shaft is of a conical structure;
the roller seat is of a short cylinder structure, three uniformly distributed small inclined planes which are not communicated with each other are arranged on one end face of the cylinder, a rectangular groove is arranged in the middle of each small inclined plane, the bottom face of each rectangular groove is parallel to the small inclined plane, the three rectangular grooves form a Y-shaped through groove, the middle of each Y-shaped through groove is a plane, the plane is parallel to the other end face of the short cylinder, a through hole C is arranged in the middle of the plane, the intersection part of the three rectangular grooves on the short cylinder and the plane is of a cylinder structure, the side plane of each rectangular groove is tangent to the cylinder, a U-shaped groove is respectively arranged between two adjacent small inclined planes in the three small inclined planes to penetrate through the two adjacent small inclined planes, the middle of the other end of the short cylinder is of a round hole structure, the front end of the round hole is of a cone shape, and the junction of the cone hole and the round hole is of a plane step;
the connector seat is of a cup-shaped structure, the outer surface of the connector seat is cylindrical, and a through hole D is formed in the middle bottom surface of the connector seat;
the two miniature cameras are arranged in two through holes A on the bottom surface of a strip-shaped deep groove in the middle of the car body, the lens is arranged in the strip-shaped deep groove with the bottom surface and the car body axis in the same plane, the two roller seats are respectively sleeved on the thin optical axes at the two ends of the car body, one end with a small inclined plane faces the miniature cameras, the central through hole C of the roller seat is tightly matched with the thin optical axes of the car body and can slide, the rollers are respectively arranged on three roller shafts, two ends of each roller shaft are respectively provided with a small hole E, the three tension springs are respectively arranged in three U-shaped grooves on the roller seat, the two ends of each tension spring are respectively hung in the small holes E on two adjacent roller shafts to form a connecting closed loop of the tension spring-roller shaft-the tension spring-the roller shaft', the rolling wheel is positioned in a rectangular groove on the rolling wheel seat, the rolling wheel shaft is positioned between a small inclined plane on the rolling wheel seat and a radial surface of a radial opening groove thin wall on the vehicle body, a part of the radial opening groove on the vehicle body is inserted into the rectangular groove of the rolling wheel seat, the compression spring is sleeved on the thin optical axes at two ends of the vehicle body, one end of the compression spring is tightly attached to the front end of the rolling wheel seat and is a bottom surface of a cone-shaped round hole, a through hole B on the front limit seat is sleeved on the thin optical axis at the left end of the vehicle body, the opening end of an inner hole of the front limit seat faces towards the tail end of the thin optical axis of the vehicle body, the other end of the compression spring is tightly attached to the other end of the compression spring, and nuts and gaskets are arranged on the thin optical axes of the vehicle body in the through hole B on the front limit seat to tightly press the front limit seat, the compression spring, the rolling wheel seat and the vehicle body;
the through hole D arranged on the bottom surface in the middle of the connector seat is sleeved on the fine optical axis at the right end of the vehicle body, the opening end of the inner hole of the connector seat faces towards the tail end of the fine optical axis of the vehicle body, the bottom surface is tightly attached to the outer end of the compression spring on the fine optical axis of the vehicle body, and the fine optical axis of the vehicle body in the inner hole of the connector seat is provided with a nut and a gasket to tightly press the compression spring, the roller seat and the vehicle body;
preferably, the vehicle body is provided with three uniformly distributed grooves with radial openings along the axial direction, and the radial end faces of the grooves are in a plane.
Preferably, a part of the groove with the radial opening on the vehicle body is inserted into the rectangular groove of the roller seat and can move in the rectangular groove of the roller seat.
Preferably, the rollers are fixedly arranged on three roller shafts respectively.
Preferably, the central through hole C of the roller seat is tightly matched with the fine optical axis of the vehicle body and can slide.
Preferably, the roller shaft is connected with the tension spring to form a connecting closed loop of tension spring-roller shaft-tension spring-roller shaft, and the roller shaft can move up and down along a small inclined plane on the roller seat.
Preferably, a certain gap is reserved between the front limiting seat and the roller seat, and a certain telescopic space is reserved for the compression spring.
Preferably, after the assembly is completed, when the self-adaptive centering support device of the small-caliber barrel is not placed in the barrel, the distances from the outermost points of the three rollers on the roller seat to the center of the rollers are larger than the radius of the barrel; when the miniature camera is put into the barrel, three idler wheels are respectively contacted with the inner surface of the barrel, meanwhile, radial movement is generated and radial pressure is transferred to the idler wheel shafts, the three idler wheel shafts respectively move downwards along the small inclined planes of the idler wheel seats, balance is formed under the combined action of the pressure and the tension spring force, at the moment, the three idler wheels are respectively contacted with the inner surface of the barrel and are consistent in stress condition, the axis of the car body is determined through the outer surface of the idler wheel shafts and the small inclined planes of the idler wheel seats, at the moment, the car body axis coincides with the barrel axis, and therefore the centering support of the miniature camera is realized when the self-adaptive barrel diameter is realized.
The utility model has the beneficial effects that: the utility model provides a self-adaptive centering support device suitable for a small-caliber barrel peeping instrument, which solves the problems that a miniature camera head cannot be centered and an image cannot be associated with the position of a peeping chamber when a small-caliber barrel peeps, and realizes observation, measurement and analysis of defects in the small-caliber barrel. The method provides accurate, accurate and reliable images and data of the shape, position and size of the defects for barrel state management, barrel abrasion change condition knowledge, service life assessment, maintenance, repair, retired barrel remanufacturing and the like of weapon systems such as small-caliber artillery and the like.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present utility model.
Fig. 2 is a sectional view of G-G of fig. 1.
Fig. 3 is a schematic view of the location of the roller shaft of the present utility model in an assembly.
Fig. 4 is a structural outline view of the self-adaptive centering support device of the present utility model.
Fig. 5 is a cross-sectional view H-H of fig. 4.
Fig. 6 is a J-J cross-sectional view of fig. 4.
Fig. 7 is a schematic front perspective view of the roller seat of the present utility model.
Fig. 8 is a schematic view of the bottom perspective structure of the roller seat of the present utility model.
Fig. 9 is a top view of the roller mount of the present utility model.
Fig. 10 is a cross-sectional view of K-K of fig. 9.
Fig. 11 is a schematic perspective view of the vehicle body of the present utility model.
Fig. 12 is a top view of the body of the present utility model.
Fig. 13 is a left side view of fig. 12.
Fig. 14 is an L-L cross-sectional view of fig. 13.
In fig. 1 to 14, a front self-adaptive centering support device 1, a vehicle body 2, a miniature camera 3, a rear self-adaptive centering support device 4, a connector seat 5, a roller 6, a roller shaft 7, an extension spring 8, a roller seat 9, a front limit seat 10, a compression spring 11, a gasket 12, a roller seat inclined surface 13, a nut 14, a camera mounting hole 15, a roller seat inner hole 16, a groove 17, a rectangular groove 18, a U-shaped groove 19, a compression spring acting surface 20, a left thin optical axis 21, a left radial groove end surface 22, a right radial groove end surface 23 and a right thin optical axis 24.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In fig. 11, fig. 12, fig. 13 and fig. 14, the vehicle body 2 is formed by processing a circular shaft, the structures at the two ends of the circular shaft are the same, the circular shaft is respectively provided with a left thin optical shaft 21 and a right thin optical shaft 24, the shaft head of the thin optical shaft is provided with threads, three uniformly distributed radial open grooves 17 are axially arranged at the position of the circular shaft connected with the thin optical shaft, the three grooves only keep the thin-wall structure, redundant materials among the grooves are removed, the thin-wall radial end surfaces of the three grooves are respectively provided with a left radial groove end surface 22 and a right radial groove end surface 23, the middle part of the circular shaft is respectively provided with a long deep groove at the upper surface and the lower surface, the bottom surfaces of the two long deep grooves are parallel, the bottom surfaces of one long deep groove coincides with the axis of the circular shaft, and two camera mounting holes 15 axially arranged are arranged in the middle of the bottom surfaces of the deep grooves;
in fig. 6, the front limit seat 10 is a short circular shaft with a deep hole in the middle, a through hole B is arranged in the center of the circular shaft, and a conical structure is arranged outside the opening end of the circular shaft;
in fig. 7, 8, 9 and 10, the roller seat 9 is of a short cylinder structure, three uniformly distributed small inclined planes 13 which are not communicated with each other are arranged on one end face of the cylinder, a rectangular groove 18 is arranged in the middle of each small inclined plane, the bottom face of each rectangular groove is parallel to the small inclined plane 13, the three rectangular grooves 18 form a Y-shaped through groove, the middle of each Y-shaped through groove is a plane, the plane is parallel to the other end face of the short cylinder, a through hole 16 is arranged in the middle of the plane, the intersection part between the three rectangular grooves 18 on the short cylinder and the plane is of a cylinder structure, the side plane of each rectangular groove 18 is tangent to the cylinder, a U-shaped groove 19 is respectively arranged between two adjacent small inclined planes in the three small inclined planes 13 to penetrate through the two adjacent small inclined planes 13, the middle of the other end of the short cylinder is of a round hole structure, the front end of the round hole is of a cone, and the junction of the cone hole and the round hole is a pressure spring acting surface 20;
in fig. 1 to 5, the connector holder 5 has a cup-shaped structure, the outer surface is cylindrical, and the middle bottom surface is provided with a through hole D.
The front self-adaptive centering support device 1 and the rear self-adaptive centering support device 4 have the same structure and consist of a vehicle body 2, a roller seat 9, a front limiting seat 10, a compression spring 11, three groups of uniformly distributed rollers 6, roller shafts 7 and tension springs 8.
The two miniature cameras 3 are arranged in two camera mounting holes 15 on the bottom surface of the long strip-shaped deep groove in the middle of the car body, and the lens is arranged in the long strip-shaped deep groove with the bottom surface and the car body axis in the same plane.
The two roller seats 9 are respectively sleeved on a left thin optical axis 21 and a right thin optical axis 24 at two ends of the vehicle body, one end with a small inclined plane 13 faces the miniature camera, a central through hole 16 of the roller seat 13 is tightly matched with the thin optical axis of the vehicle body and can slide, the rollers 9 are respectively arranged on three roller shafts 7, two ends of each roller shaft 7 are respectively provided with a small hole E, three extension springs 8 are respectively arranged in three U-shaped grooves 19 on the roller seats, two ends of each extension spring are respectively hung in the small holes E on two adjacent roller shafts 7 to form a connecting closed loop of the extension springs 8-roller shafts 7-the extension springs 8-the roller shafts 7', the rollers 6 are arranged in a rectangular groove 18 on the roller seats 9, the small inclined plane 13 on the roller seats and a left radial groove end face 22 (right radial groove end face 23) on the vehicle body, one part of each groove on the radial opening of the vehicle body 2 is inserted in the corresponding roller rectangular groove 18, the compression springs 11 are respectively sleeved on the three U-shaped grooves 19 on the roller seats 2, the two ends of each compression springs 11 are tightly pressed against the front end faces of the corresponding to the small optical axis 10B of the vehicle body, the front end of each compression spring seat 10 is tightly pressed against the front end of the corresponding compression spring seat 10, and the front end of the corresponding compression spring seat 10 is pressed against the front end of the corresponding compression spring seat 10;
the through hole D arranged on the middle bottom surface of the connector seat 5 is sleeved on the right fine optical axis 24 of the vehicle body, the opening end of the inner hole of the connector seat 5 faces to the tail end of the fine optical axis of the vehicle body, the bottom surface is tightly attached to the outer end of the compression spring 11 on the right fine optical axis of the vehicle body, and the nut 14 and the gasket 12 are arranged on the right fine optical axis 24 of the vehicle body in the inner hole of the connector seat 5 to tightly press the compression spring, the roller seat and the vehicle body;
preferably, the vehicle body 2 is provided with three uniformly distributed radial open grooves 17 along the axial direction, and the radial end faces of the grooves 17 are in a plane.
Preferably, a part of the radially opened groove 17 on the vehicle body 2 is inserted into the rectangular groove 18 of the roller seat 9, and can move in the rectangular groove 18 of the roller seat 9.
Preferably, the rollers 6 are respectively fixedly arranged on three roller shafts 7.
Preferably, the central through hole C of the roller seat 9 is tightly matched with the fine optical axis of the vehicle body and can slide.
Preferably, the roller shaft 7 is connected with the tension spring 8 to form a tension spring 8-roller shaft 7-tension spring 8-roller shaft 7', and the roller shaft 7 can move up and down along a small inclined surface 13 on the roller seat 9.
Preferably, a certain gap is reserved between the front limiting seat 10 and the roller seat 9, so that a certain telescopic space is reserved for the compression spring.
Preferably, after the assembly is completed, when the self-adaptive centering support device of the small-caliber barrel is not placed in the barrel, the distance from the outermost points of the three rollers 6 on the roller seat 9 to the center of the rollers 6 is larger than the radius of the barrel; when the miniature camera is put into a barrel, the three rollers 6 are respectively contacted with the inner surface of the barrel, meanwhile, radial movement is generated and radial pressure is transferred to the roller shaft 7, the three roller shafts 7 respectively move downwards along the small inclined surfaces 13 of the roller seats 9, balance is formed under the combined action of the pressure and the force of the tension springs 8, at the moment, the three rollers 6 are respectively contacted with the inner surface of the barrel and are consistent in stress condition, the axes of the car body 2 are respectively determined through the outer surfaces of the roller shafts 7 and the small inclined surfaces 13 of the roller seats 9, at the moment, the axes of the car body 2 are overlapped with the axes of the barrel, and the centering support of the miniature camera is realized when the self-adaptive barrel diameter is realized.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a self-adaptation centering strutting arrangement of small-bore barrel which characterized in that: the front self-adaptive centering support device and the rear self-adaptive centering support device have the same structure and consist of a vehicle body, a roller seat, a front limit seat, a compression spring, three groups of uniformly distributed rollers, roller shafts and extension springs; the front self-adaptive centering support device and the rear self-adaptive centering support device share a vehicle body, the vehicle body is formed by processing a circular shaft, the structures at two ends of the circular shaft are the same and are fine optical shafts, shaft heads of the fine optical shafts are provided with threads, three uniformly distributed radial open grooves are formed in the positions, which are connected with the fine optical shafts, of the circular shaft along the axial direction, the three grooves only keep the thin-wall structure, redundant materials among the grooves are removed, the middle part of the circular shaft is respectively provided with a long deep groove at the upper surface and the lower surface, the bottoms of the two long deep grooves are parallel, the bottom of one long deep groove coincides with the axis of the circular shaft, and two through holes A which are axially arranged are formed in the middle of the bottom of the deep groove;
the front limit seat structure is a short round shaft with a deep hole in the middle, a through hole B is formed in the center of the round shaft, and the outer side of the opening end of the round shaft is of a conical structure;
the roller seat is of a short cylinder structure, three uniformly distributed small inclined planes which are not communicated with each other are arranged on one end face of the cylinder, a rectangular groove is arranged in the middle of each small inclined plane, the bottom face of each rectangular groove is parallel to the small inclined plane, the three rectangular grooves form a Y-shaped through groove, the middle of each Y-shaped through groove is a plane, the plane is parallel to the other end face of the short cylinder, a through hole C is arranged in the middle of the plane, the intersection part of the three rectangular grooves on the short cylinder and the plane is of a cylinder structure, the side plane of each rectangular groove is tangent to the cylinder, a U-shaped groove is respectively arranged between two adjacent small inclined planes in the three small inclined planes to penetrate through the two adjacent small inclined planes, the middle of the other end of the short cylinder is of a round hole structure, the front end of the round hole is of a cone shape, and the junction of the cone hole and the round hole is of a plane step;
the connector seat is of a cup-shaped structure, the outer surface of the connector seat is cylindrical, and a through hole D is formed in the middle bottom surface of the connector seat;
the two miniature cameras are arranged in two through holes A on the bottom surface of a strip-shaped deep groove in the middle of the car body, the lens is arranged in the strip-shaped deep groove with the bottom surface and the car body axis in the same plane, the two roller seats are respectively sleeved on the thin optical axes at the two ends of the car body, one end with a small inclined plane faces the miniature cameras, the central through hole C of the roller seat is tightly matched with the thin optical axes of the car body and can slide, the rollers are respectively arranged on three roller shafts, two ends of each roller shaft are respectively provided with a small hole E, the three tension springs are respectively arranged in three U-shaped grooves on the roller seat, the two ends of each tension spring are respectively hung in the small holes E on two adjacent roller shafts to form a connecting closed loop of the tension spring-roller shaft-the tension spring-the roller shaft', the rolling wheel is positioned in a rectangular groove on the rolling wheel seat, the rolling wheel shaft is positioned between a small inclined plane on the rolling wheel seat and a radial surface of a radial opening groove thin wall on the vehicle body, a part of the radial opening groove on the vehicle body is inserted into the rectangular groove of the rolling wheel seat, the compression spring is sleeved on the thin optical axes at two ends of the vehicle body, one end of the compression spring is tightly attached to the front end of the rolling wheel seat and is a bottom surface of a cone-shaped round hole, a through hole B on the front limit seat is sleeved on the thin optical axis at the left end of the vehicle body, the opening end of an inner hole of the front limit seat faces towards the tail end of the thin optical axis of the vehicle body, the other end of the compression spring is tightly attached to the other end of the compression spring, and nuts and gaskets are arranged on the thin optical axes of the vehicle body in the through hole B on the front limit seat to tightly press the front limit seat, the compression spring, the rolling wheel seat and the vehicle body;
the through hole D arranged on the bottom surface in the middle of the connector base is sleeved on the thin optical axis at the right end of the vehicle body, the opening end of the inner hole of the connector base faces towards the tail end of the thin optical axis of the vehicle body, the bottom surface is tightly attached to the outer end of the compression spring on the thin optical axis of the vehicle body, and the thin optical axis of the vehicle body in the inner hole of the connector base is provided with a nut and a gasket to tightly compress the compression spring, the roller seat and the vehicle body.
2. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: the automobile body is along the radial open-ended recess of axial setting three equipartition, and its radial terminal surface of recess is in a plane.
3. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: and one part of the groove with the radial opening on the vehicle body is inserted into the rectangular groove of the roller seat and can move in the rectangular groove of the roller seat.
4. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: the rollers are fixedly arranged on the three roller shafts respectively.
5. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: the center through hole C of the roller seat is tightly matched with the fine optical axis of the vehicle body and can slide.
6. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: the roller shaft is connected with the tension spring to form a connecting closed loop of tension spring-roller shaft-tension spring-roller shaft, and the roller shaft can move up and down along a small inclined plane on the roller seat.
7. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: a certain gap is reserved between the front limiting seat and the roller seat, and a certain telescopic space is reserved for the compression spring.
8. The self-adaptive centering support device for a small-caliber barrel according to claim 1, wherein: after the assembly is completed, when the self-adaptive centering support device of the small-caliber barrel is not placed in the barrel, the distance from the outermost points of the three rollers on the roller seat to the center of the rollers is larger than the radius of the barrel; when the miniature camera is put into the barrel, three idler wheels are respectively contacted with the inner surface of the barrel, meanwhile, radial movement is generated and radial pressure is transferred to the idler wheel shafts, the three idler wheel shafts respectively move downwards along the small inclined planes of the idler wheel seats, balance is formed under the combined action of the pressure and the tension spring force, at the moment, the three idler wheels are respectively contacted with the inner surface of the barrel and are consistent in stress condition, the axis of the car body is determined through the outer surface of the idler wheel shafts and the small inclined planes of the idler wheel seats, at the moment, the car body axis coincides with the barrel axis, and therefore the centering support of the miniature camera is realized when the self-adaptive barrel diameter is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904441.5U CN220583195U (en) | 2023-07-19 | 2023-07-19 | Self-adaptive centering supporting device for small-caliber barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904441.5U CN220583195U (en) | 2023-07-19 | 2023-07-19 | Self-adaptive centering supporting device for small-caliber barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583195U true CN220583195U (en) | 2024-03-12 |
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ID=90111454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321904441.5U Active CN220583195U (en) | 2023-07-19 | 2023-07-19 | Self-adaptive centering supporting device for small-caliber barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583195U (en) |
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2023
- 2023-07-19 CN CN202321904441.5U patent/CN220583195U/en active Active
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