CN112697799B - Detection apparatus for integrality is scribbled to large length footpath solid rocket engine casing surface screen throwing - Google Patents
Detection apparatus for integrality is scribbled to large length footpath solid rocket engine casing surface screen throwing Download PDFInfo
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- CN112697799B CN112697799B CN202011449344.2A CN202011449344A CN112697799B CN 112697799 B CN112697799 B CN 112697799B CN 202011449344 A CN202011449344 A CN 202011449344A CN 112697799 B CN112697799 B CN 112697799B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a detection device for the completeness of the surface screen polishing of a large-length-diameter solid rocket engine shell, which comprises the following components: a round bar is arranged at the first end of the detection camera, the round bar is fixed above the moving platform, a first sliding block and a first guide rail are arranged below the moving platform, the first guide rail is fixed on a first table top of the fixed platform, and a driving device corresponding to the moving platform is arranged on the first table top; a second sliding block and a second guide rail are arranged on a second table top of the fixed platform, the second guide rail is fixed on the movable plate, one end of the movable plate is provided with a shafting structure, the other end of the shafting structure is provided with a lifter, one side of the lifter is provided with a servo motor, the lifter and the servo motor are fixed on a lifter fixing seat, the lifter fixing seat is fixed on the supporting platform, and one side of the supporting platform is provided with a universal wheel; the feeding length of the detection camera is more than or equal to 4m, and the stroke of the lifter is more than or equal to 500 mm. The invention can realize the integrity detection of the shell and improve the detection precision.
Description
Technical Field
The invention relates to the technical field of polishing integrity detection, in particular to a device for detecting polishing integrity of a surface screen of a large-length-diameter solid rocket engine shell.
Background
The solid rocket engine is used as a power device of missiles and aerospace crafts, has specific technical requirements, and one main aspect of the solid rocket engine is to ensure the structural integrity of a grain, a lining, a heat insulation layer and a shell. The liner is a transition layer which provides bonding of the insulation (or casing) to the propellant, the primary function of which is to bond the propellant firmly to the insulation or casing. It is therefore desirable that the interface bond be robust, not debonded, not create an interface effect, and be able to withstand all possible stresses. The interface is not firmly bonded, debonding occurs, the lining has poor performance, overheating and weakening of the shell can be caused, or the combustion surface of the propellant is enlarged, and the like, so that the ignition failure of the engine can be caused.
The formation of the lining is one of three special procedures in the production of solid rocket engines. The lining layer throwing and coating forming process is one new type of coating layer forming process with no solvent added to lining layer slurry and high viscosity, and the lining layer is compact and controllable in thickness. However, the integrity of the polishing surface still needs to be detected after the polishing process so as to ensure the performance of the lining layer, the current manual operation can only realize visual inspection of part of the shell due to weak light inside the shell, and the detection effect is poor, and especially for shell parts with large length-diameter ratio, the integrity detection of the shell cannot be realized.
In conclusion, the existing integrity detection method cannot realize integrity detection on the shell part with the large length-diameter ratio, and it is necessary to explore a new method for detecting the integrity of the cast coating of the solid rocket engine shell with the large length-diameter ratio and develop a new device for detecting the integrity of the cast coating of the solid rocket engine shell with the large length-diameter ratio.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, and the detection device for the completeness of the surface screen polishing of the large-length-diameter solid rocket engine shell is provided.
The technical solution of the invention is as follows:
in order to solve the above technical problem, an embodiment of the present invention provides a device for detecting the integrity of a screen polishing on a casing surface of a large-length solid rocket engine, where the device includes: the device comprises a detection camera, a round bar, a moving platform, a first slide block, a second slide block, a first guide rail, a second guide rail, a fixed platform, a moving plate, a lifter, a servo motor, a lifter fixing seat, a supporting platform and universal wheels, wherein,
the first end of the detection camera is provided with the round rod which is fixed above the movable platform, the first sliding block and the first guide rail are arranged below the movable platform, the first guide rail is fixed on a first table top of the fixed platform, and the first table top is provided with a driving device corresponding to the movable platform;
the second sliding block and the second guide rail are arranged on a second table top of the fixed platform, the second guide rail is fixed on the movable plate, a shafting structure is arranged at one end, away from the second guide rail, of the movable plate, the lifter is arranged at one end, away from the movable plate, of the shafting structure, one side of the lifter is provided with the servo motor, the lifter and the servo motor are both fixed on the lifter fixing seat, the lifter fixing seat is fixed on the supporting platform, and a universal wheel is arranged at one side, away from the lifter fixing seat, of the supporting platform;
the feeding length of the detection camera is more than or equal to 4m, and the stroke of the lifter is more than or equal to 500 mm.
Optionally, a lamp holder is arranged at the second end of the detection camera;
the lamp holder is fixed at the second end of the detection camera through a threaded hole of the detection camera;
the lamp holder is C-shaped groove aluminum, a lamp tube is fixed on the lamp holder, and an illumination area of the lamp tube just covers the identification area of the detection camera;
the round bar is a hollow round bar, one end of the round bar, which is close to the detection camera, is welded with a flat plate, the detection camera is connected to the flat plate through a bolt, the other end of the round bar is provided with the moving platform, and the round bar is fixed on one end of the moving platform through a pipe clamp;
the other end of the moving platform is fixedly connected with the first sliding block, one end, far away from the moving platform, of the first sliding block is provided with the first guide rail, the first sliding block is in sliding connection with the first guide rail, and the first guide rail is fixed on a first table top of the fixed platform through a bolt;
the fixed platform is a rectangular aluminum plate with mounting holes punched in advance, and the first guide rail is arranged along the length direction of the rectangular aluminum plate.
Optionally, a guide roller mounting seat is arranged on a first table top of the fixed platform, the guide roller mounting seat is fixedly connected with the first table top of the fixed platform through a bolt, two horizontal guide rollers and four vertical guide rollers are mounted on the guide roller mounting seat, and the two horizontal guide rollers are used for supporting the round rod;
the distance of four vertical guide rollers in the direction perpendicular to the first guide rail is equal to the diameter of the round bar, and four vertical guide rollers are used for enabling the round bar not to deviate from the direction in the moving process.
Optionally, the driving device is composed of a gear, a rack and a servo motor, wherein,
the rack is fixed on a second platform of the fixed platform through a bolt, the center line of the rack is parallel to the direction of the first guide rail, and the gear is fixed on a rotating shaft of the servo motor through a jackscrew;
the servo motor is fixedly connected with the moving platform through a bolt hole in the moving platform, the gear is meshed with the rack, the meshing width of the gear and the rack can be adjusted by adjusting the thickness of a gasket at the joint of the servo motor and the bolt of the moving platform, and the meshing width is larger than 12 mm.
Optionally, the second sliding block is mounted on a second table top of the fixed platform, one end of the second sliding block, which is far away from the second table top, is provided with the second guide rail, the second sliding block is connected with the second guide rail in a sliding manner, the second sliding block can slide along the second guide rail, and the direction of the second guide rail is consistent with that of the first guide rail;
the moving plate is arranged at one end, far away from the second sliding block, of the second guide rail, and the second guide rail is fixedly connected with the moving plate through a bolt.
Optionally, the shafting structure is composed of a flange head, a support shaft and two bearing seats, a through hole is formed in the top end of the flange head, the diameter of the through hole is equal to the diameter of the middle of the support shaft, the support shaft penetrates through the through hole in the top end of the flange head, and the flange head is located in the middle of the support shaft;
the flange head with the supporting shaft is fixed through welding, the bearing frame has deep groove ball bearing, the supporting shaft passes through the shaft shoulder location of axle both sides, adopts both ends fixed and two the bearing frame is connected, the bearing inner race of bearing frame with the supporting shaft adopts interference fit, the bearing outer lane area of bearing frame has the bearing frame can wind the bearing inner race with the supporting shaft rotates, two the bearing frame pass through bolted connection in the both sides of movable plate, just the axis of supporting shaft with the direction of first guide rail is perpendicular.
Optionally, the shafting structures arranged on the first table board and the second table board of the fixed platform are respectively provided with the lifter, the lifter is an SWL2.5 lifter, the lifter is fixedly connected with the flange head through a bolt hole on the top end of the lifter and a bolt hole on the flange head, one side of the lifter is respectively provided with the servo motor, and the servo motor is in transmission connection with the lifter.
Optionally, the elevator installation base is a rectangular frame, the elevator installation base is formed by welding an installation plate and an upright post, the elevator and the servo motor are fixedly connected with the elevator installation base through bolt holes in the installation plate, a support platform is arranged on the other side of the elevator installation base, the width of the support platform is equal to that of the elevator installation base, and the length of the support platform is equal to that of a table top of the fixed platform;
the elevator mounting seat is fixedly connected with the supporting platform through bolts.
Optionally, the supporting platform and the universal wheel are fixedly connected through a bolt.
Compared with the prior art, the invention has the advantages that:
the detection device for the polishing integrity of the surface screen of the large-length-diameter solid rocket engine shell provided by the embodiment of the invention has the advantages that the feeding length of the detection camera exceeds 4 meters, the integrity detection can be realized on the polishing of the large-length-diameter-ratio solid rocket engine shell with the length of less than 4 meters, the stroke of the elevator reaches 500mm, the elevator can adjust the position of the detection camera up and down aiming at the engine shells with different diameters, the detection camera is ensured to be positioned at the most proper position away from the polishing surface of the shell, the shell with the diameter range of 200mm-750mm can be detected, when the elevator below the rear end of the table top does not move, and the elevator at the front end of the table top rises upwards, the table top can generate an elevation angle, so that the deflection of a cantilever round rod can be compensated, and the detection accuracy of the detection camera is improved.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting the polishing integrity of a surface screen of a large-length solid rocket engine casing according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another device for detecting the polishing integrity of the surface screen of the housing of the large-length-diameter solid rocket engine, provided by the embodiment of the invention;
FIG. 3 is a schematic structural diagram of another device for detecting the polishing integrity of the surface screen of the casing of the large-length solid rocket engine according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a guide roller mounting seat according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a working flow of a device for detecting the polishing integrity of a surface screen of a large-length solid rocket engine case according to an embodiment of the present invention;
the reference numbers are as follows:
1. detecting a camera; 2. a lamp holder; 3. a lamp tube; 4. a guide roller mounting seat; 5. a round bar; 6. a second slider; 7. a second guide rail; 8. moving the plate; 9. a pipe clamp; 10. a servo motor; 11. a first slider; 12. a mobile platform; 13. a first guide rail; 14. a fixed platform; 15. a bearing seat; 16. a support shaft; 17. a flange head; 18. an elevator; 19. an elevator mount; 20. a universal wheel; 21. a support platform; 22. a servo motor; 23. a bearing seat; 24. a gear; 25. a rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a schematic structural diagram of a device for detecting the integrity of a screen coating on the surface of a casing of a large-length solid rocket engine according to an embodiment of the present invention is shown, and as shown in fig. 1, the device may include:
the detection camera comprises a detection camera 1, a round bar 5, a moving platform 12, a first slide block 11, a second slide block 6, a first guide rail 13, a second guide rail 7, a fixed platform 14, a moving plate 8, a lifter 18, a servo motor 22, a lifter fixing seat 19, a supporting platform 21 and a universal wheel 20, wherein,
the first end of the detection camera 1 is provided with the round bar 5, the round bar 5 is fixed above the moving platform 12, the first slider 11 and the first guide rail 13 are arranged below the moving platform 12, the first guide rail 13 is fixed on a first table top of the fixed platform 14, and the first table top is provided with a driving device corresponding to the moving platform 12;
the second slider 6 and the second guide rail 7 are arranged on a second table top of the fixed platform 14, the second guide rail 7 is fixed on the moving plate 8, a shafting structure is arranged at one end, far away from the second guide rail 7, of the moving plate 8, the lifter 18 is arranged at one end, far away from the moving plate 8, of the shafting structure, the servo motor 22 is arranged at one side of the lifter 18, the lifter 18 and the servo motor 22 are both fixed on the lifter fixing seat 19, the lifter fixing seat 19 is fixed on the supporting platform 21, and the universal wheel 20 is arranged at one side, far away from the lifter fixing seat 19, of the supporting platform 21;
the feeding length of the detection camera 1 is more than or equal to 4m, and the stroke of the lifter 18 is more than or equal to 500 mm.
In the embodiment of the invention, the feeding length of the detection camera is more than 4 meters, the integrity detection can be realized on the casting coating of the solid rocket engine shell with the large length-diameter ratio below 4 meters, the stroke of the elevator reaches 500mm, and the elevator can adjust the position of the detection camera up and down aiming at the engine shells with different radiuses, so that the detection camera is ensured to be positioned at the most appropriate position away from the casting coating surface of the shell, and the shell with the diameter range of 200mm-750mm can be detected.
The following describes in detail the device for detecting the integrity of the screen polishing on the surface of the casing of the large-length solid rocket engine provided by the embodiment of the invention with reference to fig. 1 to 5.
In a specific implementation manner of the embodiment of the present invention, a lamp holder 2 is disposed at a second end of the detection camera 1;
the lamp holder 2 is fixed at the second end of the detection camera 1 through a threaded hole of the detection camera 1;
the lamp holder 2 is made of C-shaped groove aluminum, the lamp tube 3 is fixed on the lamp holder 2, and the illumination area of the lamp tube 2 just covers the identification area of the detection camera 1;
the round bar 5 is a hollow round bar, one end of the round bar 5, which is close to the detection camera 1, is welded with a flat plate, the detection camera 1 is connected to the flat plate through a bolt, the other end of the round bar 5 is provided with the mobile platform 12, and the round bar 5 is fixed on one end of the mobile platform 12 through a pipe clamp 9;
the other end of the movable platform 12 is fixedly connected with the first sliding block 11, one end of the first sliding block 11, which is far away from the movable platform 12, is provided with the first guide rail 13, the first sliding block 11 is in sliding connection with the first guide rail 13, and the first guide rail 13 is fixed on a first table top of the fixed platform 14 through a bolt;
the fixed platform 14 is a rectangular aluminum plate with mounting holes punched in advance, and the first guide rail 13 is arranged along the length direction of the rectangular aluminum plate.
In a specific implementation manner of the embodiment of the present invention, a guide roller mounting seat 4 is disposed on a first table top of the fixed platform 14, the guide roller mounting seat 114 is fixedly connected to the first table top of the fixed platform 14 through a bolt, two horizontal guide rollers and four vertical guide rollers are mounted on the guide roller mounting seat 114, and the two horizontal guide rollers are used for supporting the round bar 5;
the distance between the four vertical guide rollers in the direction perpendicular to the first guide rail 13 is equal to the diameter of the round bar 5, and the four vertical guide rollers are used for preventing the round bar 5 from deviating from the direction in the movement process.
In a particular implementation of the embodiment of the invention, said drive means are constituted by a gear 24, a rack 25 and a servomotor 22, wherein,
the rack 25 is fixed on a second platform of the fixed platform 14 through a bolt, the central line of the rack 25 is parallel to the direction of the first guide rail 13, and the gear 24 is fixed on a rotating shaft of the servo motor 22 through a jackscrew;
the servo motor 22 is fixedly connected with the moving platform 12 through a bolt hole in the moving platform 12, the gear 24 is meshed with the rack 25, the meshing width of the gear 24 and the rack 25 can be adjusted by adjusting the thickness of a gasket at the joint of the servo motor 22 and the bolt of the moving platform 12, and the meshing width is larger than 12 mm.
In a specific implementation manner of the embodiment of the present invention, the second slider 6 is installed on a second table top of the fixed platform 14, the second guide rail 7 is arranged at one end of the second slider 6 away from the second table top, the second slider 6 is connected with the second guide rail 7 in a sliding manner, the second slider 6 can slide along the second guide rail 7, and the direction of the second guide rail 7 is the same as that of the first guide rail 13;
the moving plate is arranged at one end, far away from the second sliding block 6, of the second guide rail 7, and the second guide rail 7 is fixedly connected with the moving plate 8 through bolts.
In a specific implementation manner of the embodiment of the present invention, the shafting structure is composed of a flange head 17, a support shaft 16 and two bearing seats 23, a through hole is formed at the top end of the flange head 17, the diameter of the through hole is equal to the diameter of the middle part of the support shaft 16, the support shaft 16 passes through the through hole at the top end of the flange head 17, and the flange head 17 is located at the middle part of the support shaft 16;
the flange head 17 and the supporting shaft 16 are fixed by welding, the bearing seat 23 is provided with a deep groove ball bearing, the supporting shaft 16 is positioned by shaft shoulders on two sides of the shaft, two ends of the supporting shaft are fixed and connected with the two bearing seats 23, a bearing inner ring of the bearing seat 23 is in interference fit with the supporting shaft, a bearing outer ring of the bearing seat 23 drives the bearing seat to wind the bearing inner ring and the supporting shaft 16 to rotate, the two bearing seats 23 are connected to two sides of the moving plate 8 through bolts, and the axis of the supporting shaft 16 is perpendicular to the direction of the first guide rail 13.
In another specific implementation manner of the embodiment of the present invention, a shafting structure is arranged below the second table top of the fixed platform 14, the shafting structure is composed of a flange head 17, a support shaft 16 and two bearing seats 15, the specifications and connection modes of the flange head 17 and the support shaft 16 are consistent with those of the flange head 17 and the support shaft 16 of the shafting structure below the movable plate 8 of the first table top of the fixed platform 14, the heights of the two bearing seats 15 of the shafting structure below the second table top of the fixed platform 14 are greater than the height of the bearing seat 23 below the movable plate 8 of the first table top of the fixed platform 14, and the greater height is just equal to the sum of the heights of the first table top below the movable plate 8 of the fixed platform 14 and the second slider 6 and the second guide rail 7 fixed on the movable plate 8, the two bearing seats 15 are connected to two sides of the second table top of the fixed platform 14 through bolts, and the axis of the supporting shaft 16 is perpendicular to the direction of the first guide rail 13 fixed above the fixed platform 14.
In a specific implementation manner of the embodiment of the present invention, the shaft systems arranged on the first table top and the second table top of the fixed platform 14 are respectively provided with the elevator 18, the elevator 18 is an SWL2.5 elevator, the elevator 18 is fixedly connected with the flange head 17 through a bolt hole at the top end of the elevator and a bolt hole on the flange head 17, one side of each of the two elevator provincial prizes is respectively provided with the servo motor 22, and the servo motor 22 is in transmission connection with the elevator 18.
In a specific implementation manner of the embodiment of the present invention, the elevator installation base 19 is a rectangular frame, the elevator installation base 19 is formed by welding an installation plate and an upright post, the elevator 18 and the servo motor 22 are fixedly connected to the elevator installation base 19 through a bolt hole on the installation plate, a support platform is arranged on the other side of the elevator installation base 19, the width of the support platform 21 is equal to the width of the elevator installation base 19, and the length of the support platform 21 is equal to the width of the table top of the fixed platform 14;
the elevator mounting base 19 is fixedly connected to the support platform 14 by bolts.
In a specific implementation manner of the embodiment of the present invention, the supporting platform 14 and the universal wheel 20 are fixedly connected by bolts.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (8)
1. A detection device for the coating integrity of a large-length-diameter solid rocket engine shell surface screen is characterized by comprising: the device comprises a detection camera, a round bar, a moving platform, a first slide block, a second slide block, a first guide rail, a second guide rail, a fixed platform, a moving plate, a lifter, a servo motor, a lifter fixing seat, a supporting platform and universal wheels, wherein,
the first end of the detection camera is provided with the round rod which is fixed above the movable platform, the first sliding block and the first guide rail are arranged below the movable platform, the first guide rail is fixed on a first table top of the fixed platform, and the first table top is provided with a driving device corresponding to the movable platform; the upper surface of the fixed platform is a first table top;
the second sliding block and the second guide rail are arranged on a second table top of the fixed platform, the second guide rail is fixed on the movable plate, a shafting structure is arranged at one end, away from the second guide rail, of the movable plate, the lifter is arranged at one end, away from the movable plate, of the shafting structure, one side of the lifter is provided with the servo motor, the lifter and the servo motor are both fixed on the lifter fixing seat, the lifter fixing seat is fixed on the supporting platform, and a universal wheel is arranged at one side, away from the lifter fixing seat, of the supporting platform; the lower surface of the fixed platform is a second table top;
the feeding length of the detection camera is more than or equal to 4m, and the stroke of the lifter is more than or equal to 500 mm;
a lamp holder is arranged at the second end of the detection camera;
the lamp holder is fixed at the second end of the detection camera through a threaded hole of the detection camera;
the lamp holder is C-shaped groove aluminum, a lamp tube is fixed on the lamp holder, and an illumination area of the lamp tube just covers the identification area of the detection camera;
the round bar is a hollow round bar, one end of the round bar, which is close to the detection camera, is welded with a flat plate, the detection camera is connected to the flat plate through a bolt, the other end of the round bar is provided with the moving platform, and the round bar is fixed on one end of the moving platform through a pipe clamp;
the other end of the moving platform is fixedly connected with the first sliding block, one end, far away from the moving platform, of the first sliding block is provided with the first guide rail, the first sliding block is in sliding connection with the first guide rail, and the first guide rail is fixed on a first table top of the fixed platform through a bolt;
the fixed platform is a rectangular aluminum plate with mounting holes punched in advance, and the first guide rail is arranged along the length direction of the rectangular aluminum plate.
2. The detection device according to claim 1, wherein a guide roller mounting seat is arranged on the first table top of the fixed platform, the guide roller mounting seat is fixedly connected with the first table top of the fixed platform through a bolt, two horizontal guide rollers and four vertical guide rollers are arranged on the guide roller mounting seat, and the two horizontal guide rollers are used for supporting the round rod;
the distance of four vertical guide rollers in the direction perpendicular to the first guide rail is equal to the diameter of the round bar, and four vertical guide rollers are used for enabling the round bar not to deviate from the direction in the moving process.
3. The detecting device according to claim 1, wherein the driving means is constituted by a gear, a rack, and a servo motor, wherein,
the rack is fixed on a second table top of the fixed platform through a bolt, the center line of the rack is parallel to the direction of the first guide rail, and the gear is fixed on a rotating shaft of the servo motor through a jackscrew;
the servo motor is fixedly connected with the moving platform through a bolt hole in the moving platform, the gear is meshed with the rack, the meshing width of the gear and the rack can be adjusted by adjusting the thickness of a gasket at the joint of the servo motor and the bolt of the moving platform, and the meshing width is larger than 12 mm.
4. The detection device according to claim 1, wherein the second slide block is mounted on a second table top of the fixed platform, the second guide rail is disposed at an end of the second slide block away from the second table top, the second slide block is slidably connected with the second guide rail, the second slide block can slide along the second guide rail, and the direction of the second guide rail is consistent with that of the first guide rail;
the moving plate is arranged at one end, far away from the second sliding block, of the second guide rail, and the second guide rail is fixedly connected with the moving plate through a bolt.
5. The detection device according to claim 1, wherein the shafting structure is composed of a flange head, a support shaft and two bearing seats, a through hole is formed in the top end of the flange head, the diameter of the through hole is equal to the diameter of the middle part of the support shaft, the support shaft penetrates through the through hole in the top end of the flange head, and the flange head is located in the middle part of the support shaft;
the flange head with the back shaft is through welded fastening, the bearing frame has deep groove ball bearing, the back shaft passes through the shaft shoulder location of axle both sides, adopts both ends fixed and two the bearing frame is connected, the bearing inner race of bearing frame with the back shaft adopts interference fit, the bearing outer lane area of bearing frame can wind the bearing inner race with the back shaft rotates, two the bearing frame pass through bolted connection in the both sides of movable plate, just the axis of back shaft with the direction of first guide rail is perpendicular.
6. The detection device according to claim 5, wherein the shaft system structure disposed on the second table top of the fixed platform is provided with the lifter, the lifter is a SWL2.5 lifter, the lifter is fixedly connected with the flange head through a bolt hole on the top end of the lifter and a bolt hole on the flange head, one side of the lifter is respectively provided with the servo motor, and the servo motor is in transmission connection with the lifter.
7. The detection device according to claim 1, wherein the elevator mounting base is a rectangular frame, the elevator mounting base is formed by welding a mounting plate and an upright post, the elevator and the servo motor are fixedly connected with the elevator mounting base through bolt holes in the mounting plate, a support platform is arranged on the other side of the elevator mounting base, the width of the support platform is equal to that of the elevator mounting base, and the length of the support platform is equal to that of a table top of the fixed platform;
the elevator mounting seat is fixedly connected with the supporting platform through bolts.
8. The detection device as claimed in claim 1, wherein the support platform is fixedly connected with the universal wheel through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449344.2A CN112697799B (en) | 2020-12-09 | 2020-12-09 | Detection apparatus for integrality is scribbled to large length footpath solid rocket engine casing surface screen throwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449344.2A CN112697799B (en) | 2020-12-09 | 2020-12-09 | Detection apparatus for integrality is scribbled to large length footpath solid rocket engine casing surface screen throwing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112697799A CN112697799A (en) | 2021-04-23 |
| CN112697799B true CN112697799B (en) | 2022-04-05 |
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| CN108907593A (en) * | 2018-07-27 | 2018-11-30 | 上海交通大学 | A kind of carrier rocket tank circular seam welding Automated assembly pose_adjuster |
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