Solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography

Abstract

The present invention relates to the field of solid propellant technology, and in particular to a multi-degree-of-freedom test platform for solid propellants based on three-dimensional X-ray tomography. The platform comprises a housing, an X-ray radiator slidably connected to the housing, a movable plate slidably connected to the housing, a first hydraulic push rod mounted on the housing, the telescopic end of the first hydraulic push rod being fixedly connected to the movable plate, the movable plate being fixedly connected to a second hydraulic push rod, the telescopic end of the second hydraulic push rod being fixedly connected to a fixed plate, the fixed plate being rotatably connected to an annular plate, a first servo motor being symmetrically mounted on the annular plate, the output shaft of the first servo motor being fixedly connected to a rotating frame, the rotating frame being symmetrically mounted with a third hydraulic push rod, the telescopic end of the third hydraulic push rod being fixedly connected to a clamp. By adjusting the solid propellant with multiple degrees of freedom, the device enables the X-ray radiator to perform omnidirectional imaging of solid propellants of different sizes and shapes.

Description

Technical Field

[0001] The present invention relates to the technical field of solid propellants, and in particular to a solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography. Background Art

[0002] When manufacturing solid propellants, whether it is a pellet casting process, a pouring process or a screw pressing process, the inner surface of the grain may have defects such as tiny cracks, dents, scratches or foreign matter. These defects will affect the combustion performance of the solid propellant. Therefore, before the solid propellant is used, its internal structure needs to be inspected.

[0003] X-rays are usually required to inspect the integrity of the internal structure of solid propellants. When using X-rays to photograph solid propellants, the positions of depressions or cracks in the solid propellants may overlap, and the solid propellant moves in one direction, which will cause the operator to be unable to clearly observe the defects in the internal structure of the solid propellant, thereby affecting the operator's accuracy in assessing the internal structure of the solid propellant. In addition, when the solid propellant is moved, the solid propellant may shake or even fall off due to loose fixation, resulting in unclear X-ray images. Summary of the Invention

[0004] In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography.

[0005] The technical solution of the present invention is: a solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography, comprising a shell, a control terminal installed on the shell, a detection screen installed on the shell, an X-ray radiator slidably connected to the interior of the shell, an X-ray detector installed on the interior of the shell, a movable plate slidably connected to the shell, a first hydraulic push rod installed on the interior of the shell, the telescopic end of the first hydraulic push rod is fixedly connected to the movable plate, a support plate is fixedly connected to the interior of the shell, the support plate is fixedly connected to the support plate through a connecting frame, the movable plate is fixedly connected to a second hydraulic push rod, the telescopic end of the second hydraulic push rod is fixedly connected to a fixed plate The fixed plate and the fixed plate are rotatably connected to an annular plate, the annular plate is symmetrically provided with a first servo motor, the output shaft of the first servo motor is fixedly connected to a rotating frame, the rotating frame is symmetrically provided with a third hydraulic push rod, the telescopic end of the third hydraulic push rod is fixedly connected to a clamp, the rotating frame is provided with a locking assembly for locking the solid propellant, the telescopic end of the second hydraulic push rod is telescoped to change the distance between the solid propellant and the X-ray radiator, the output shaft of the first servo motor drives the solid propellant to rotate, and changes the deflection angle of the solid propellant, and the second hydraulic push rod cooperates with the first servo motor to make the solid propellant move in multiple directions.

[0006] Furthermore, it is particularly preferred that the axis of the turret is perpendicular to and intersects the axis of the support plate.

[0007] In addition, the upper side surface of the support plate is concave inward, and its depth gradually deepens from the outside to the center of the circle, making it easier for the clamp to clamp the solid propellant.

[0008] Furthermore, it is particularly preferred that a groove is provided on the upper side of the support disc to prevent the solid propellant from shaking on the upper side of the support disc.

[0009] Furthermore, it is particularly preferred that the clamp is an elastic clamping jaw for accommodating solid propellants of different sizes.

[0010] Furthermore, it is particularly preferred that a camera is installed inside the housing, an electric push rod is installed inside the housing, and a telescopic end of the electric push rod is fixedly connected to the X-ray radiator.

[0011] In addition, it is particularly preferred that the rotating frame is fixedly connected to a fourth hydraulic push rod, the telescopic end of the fourth hydraulic push rod is installed with a motorized roller, and the opposite sides of the symmetrically distributed clamps are rotatably connected to evenly distributed rollers.

[0012] In addition, it is particularly preferred that the movable plate is fixedly connected to the second servo motor, the output shaft key of the second servo motor is connected to the movable rod, the fixed plate is fixedly connected to the fixed ring, the fixed ring is rotatably connected to the movable rod, the movable rod is fixedly connected to the gear, and the annular plate is fixedly connected to the gear ring meshing with the gear.

[0013] In addition, it is particularly preferred that the locking assembly includes a fifth hydraulic push rod, the fifth hydraulic push rod is installed on the rotating frame, the telescopic end of the fifth hydraulic push rod is fixedly connected to the mounting shell, an elastic pull rope is fixedly connected between the telescopic end of the fifth hydraulic push rod and the adjacent mounting shell, the mounting shell is fixedly connected to a flexible seal, a liquid storage chamber is formed between the mounting shell and the adjacent flexible seal, liquid is stored between the mounting shell and the adjacent flexible seal, and symmetrically distributed flexible seals are installed on opposite sides thereof with equidistantly distributed locking blocks, adjacent locking blocks are hinged, and the side of the locking block away from the adjacent fifth hydraulic push rod is fixedly connected with equidistantly distributed suction cups, the mounting shell is fixedly connected to a first fixed block, the flexible seal is fixedly connected to a second fixed block, the first fixed block and the second fixed block are slidably connected by a sliding block, the first fixed block and the second fixed block are both located in the liquid storage chamber, the first fixed block is fixedly connected to equidistantly distributed pull rods, the pull rods pass through adjacent suction cups and adjacent second fixed blocks, the fifth hydraulic push rod is connected to a water pump, and the water pump is connected to the liquid storage chamber through a water supply pipe.

[0014] In addition, it is particularly preferred that when the suction cup is not in contact with the solid propellant, the liquid in the liquid storage chamber is in an unfilled state.

[0015] Beneficial effects of the present invention: This device adjusts the solid propellant with multiple degrees of freedom, so that the X-ray radiator can take all-round pictures of solid propellants of different sizes and shapes, so that the internal structure of the solid propellant can be fully inspected by the operator, thereby improving the inspection effect; the upper side of the support plate is recessed inward, so that a gap is formed between the solid propellant and the support plate, which facilitates the clamp to extend into the gap and clamp the solid propellant; the clamp is an elastic clamping claw, so that the clamp can clamp solid propellants of different diameters; the solid propellant is fixed by a locking assembly, and water is injected into the liquid storage chamber by a water pump, so that the mounting shell is deformed, thereby driving the first fixing block away from the second fixing block, and the second fixing block drives the pull rod to move, so that negative pressure is formed between the suction cup and the solid propellant, and the suction cup adsorbs and fixes the solid propellant; after the water pump injects water into the liquid storage chamber, the flexible seal is deformed, so that the flexible seal drives the locking block and the suction cup to approach and hold the solid propellant, so that the solid propellant is firmly fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the movable plate, the first hydraulic push rod and other parts of the present invention.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating frame, fixed plate and other parts of the present invention.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the support plate and the support disk of the present invention.

[0020] Figure 5 This is a diagram showing the positional relationship between the fixture of the present invention and parts such as the electric roller.

[0021] Figure 6 For the present invention Figure 5 Enlarged view of the three-dimensional structure at point A.

[0022] Figure 7 This is a diagram showing the positional relationship between the gears, gear rings and other parts of the present invention.

[0023] Figure 8 This is a diagram showing the positional relationship between the mounting housing and the flexible sealing member and other parts of the present invention.

[0024] Figure 9 This is a diagram showing the positional relationship between the pull rod, suction cup and other parts of the present invention.

[0025] In the figure: 101, housing, 102, X-ray radiator, 103, electric push rod, 104, X-ray detector, 105, movable plate, 106, first hydraulic push rod, 107, support plate, 108, support disk, 109, groove, 110, second hydraulic push rod, 111, fixed disk, 112, annular plate, 113, first servo motor, 114, rotating frame, 115, third hydraulic push rod, 116, clamp, 117, fourth hydraulic push rod, 118, electric roller, 119, roller, 201, second servo motor, 202, movable rod, 2021, fixed ring, 203, gear, 204, ring gear, 301, fifth hydraulic push rod, 302, mounting shell, 303, flexible seal, 304, locking block, 305, suction cup, 306, first fixed block, 307, second fixed block, 308, pull rod. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1: Solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography, such as Figures 1-6As shown, it includes a shell 101, a control terminal is installed on the outside of the shell 101, a detection screen is installed on the outside of the shell 101, an X-ray radiator 102 is slidably connected to the upper part of the shell 101, a camera is installed inside the shell 101, and the camera is used to observe the size of the solid propellant, an electric push rod 103 is installed on the upper part of the shell 101, and the telescopic end of the electric push rod 103 is fixedly connected to the X-ray radiator 102. The camera feeds back information to the control terminal according to the size of the solid propellant, and the control terminal controls the telescopic end of the electric push rod 103 to drive the X-ray radiator 102 to move back and forth to scan the solid propellant. An X-ray detector 104 is installed inside the shell 101, and the middle and lower part of the shell 101 slides The movable plate 105 is connected to the movable plate 105, and the first hydraulic push rod 106 is installed in the middle and lower part of the shell 101. The telescopic end of the first hydraulic push rod 106 is fixed to the movable plate 105. The interior of the shell 101 is fixed with a support plate 107, and the support plate 107 is fixed with a support disk 108 through a connecting frame. A groove 109 is provided on the upper side of the support disk 108. The groove 109 limits the solid propellant to prevent the solid propellant from shaking continuously on the upper side of the support disk 108. The movable plate 105 is fixed with four circumferentially distributed second hydraulic push rods 110. The telescopic ends of the four second hydraulic push rods 110 are fixed with a circular fixed disk 111. The upper side of the fixed disk 111 is rotatably connected with an annular plate 112. The annular plate 112 is provided with two symmetrically distributed The first servo motor 113, the output shaft of the first servo motor 113 is fixedly connected to the rotating frame 114, the axis of the rotating frame 114 is perpendicular to the axis of the annular plate 112, the axis of the rotating frame 114 is perpendicular to and intersects with the axis of the support disk 108, the operator places the solid propellant in the groove 109, so that the solid propellant is located in the middle position of the support disk 108, the rotating frame 114 is symmetrically provided with a third hydraulic push rod 115 in front and back, the telescopic end of the third hydraulic push rod 115 is fixedly connected with a clamp 116, the clamp 116 is an elastic clamping claw, a spring is installed inside it, and is used to clamp solid propellants of different diameters, the upper side of the support disk 108 is concave inward, and its depth gradually deepens from the outside to the center of the circle, so that both ends of the solid propellant are aligned with the support disk 108 The lower side of the solid propellant is in contact with the support plate 108, and a gap is left between the lower side of the solid propellant and the support plate 108. When the clamp 116 fixes the solid propellant, the lower side of the clamp 116 extends into the gap, making it easier for the clamp 116 to clamp the solid propellant. The rotating frame 114 is provided with a locking assembly for locking the solid propellant. The rotating frame 114 is fixed with a fourth hydraulic push rod 117. The telescopic end of the fourth hydraulic push rod 117 is installed with an electric roller 118. The electric roller 118 drives the solid propellant to rotate. The opposite sides of the symmetrically distributed clamps 116 are all rotated and connected with evenly distributed rollers 119. The telescopic end of the second hydraulic push rod 110 moves up and down to change the distance between the solid propellant and the X-ray radiator 102, thereby adjusting the clarity of the solid propellant photographed by the X-ray radiator 102.The output shaft of the first servo motor 113 drives the solid propellant to rotate, changing the deflection angle of the solid propellant. The second hydraulic push rod 110, the first servo motor 113 and the electric roller 118 cooperate to make the solid propellant move in multiple directions, ensuring that the operator can comprehensively inspect the internal structure of the solid propellant.

[0028] like Figure 5 and Figure 7 As shown, the front part of the upper side surface of the movable plate 105 is fixedly connected to the second servo motor 201, the output shaft key of the second servo motor 201 is connected to the movable rod 202, the fixed plate 111 is fixedly connected to the fixed ring 2021 rotatably connected to the movable rod 202, the movable rod 202 is fixedly connected to the gear 203, and the upper side surface of the annular plate 112 is fixedly connected to the ring gear 204 engaged with the gear 203.

[0029] When using the present device to inspect the internal structure of a solid propellant, the operator places the solid propellant in the groove 109, and the inwardly recessed support plate 108 props up the two ends of the solid propellant, leaving a gap between the solid propellant and the support plate 108. The operator activates the third hydraulic push rod 115 through the control terminal, and the telescopic ends of the four symmetrically distributed third hydraulic push rods 115 move inward, causing the four symmetrically distributed clamps 116 to gradually approach the solid propellant. When the rollers 119 on the clamps 116 come into contact with the solid propellant, the clamps 116 are deformed, the springs inside the clamps 116 are compressed, and the clamps 116 open. The two clamps 116 moving in opposite directions form a group, and the two groups of clamps 116 clamp the two ends of the solid propellant to keep the solid propellant in a stable state. The movable plate 105 is moved to the left by the telescopic end of the first hydraulic push rod 106, and the movable plate 105 drives the fixed plate 111 and the annular plate 112 to move to the left through the second hydraulic push rod 110, so that the rotating frame 114 drives the solid propellant to move to the left to the top of the X-ray detector 104 through the third hydraulic push rod 115 and the clamp 116. Then the operator controls the second hydraulic push rod 110 to reset through the control terminal.

[0030] When the solid propellant is above the X-ray detector 104, the operator turns on the X-ray radiator 102, the X-ray detector 104 and the camera through the control terminal. The camera observes the size of the solid propellant and feeds back the information to the control terminal. The control terminal turns on the electric push rod 103. The telescopic end of the electric push rod 103 drives the X-ray radiator 102 to move back and forth. The larger the diameter and length of the solid propellant, the larger the range of movement of the X-ray radiator 102, ensuring that the X-rays emitted by the X-ray radiator 102 fully cover the solid propellant. The X-ray detector 104 feeds back the internal structure of the solid propellant to the detection screen, and the operator analyzes the internal structure of the solid propellant through the detection screen.

[0031] When the operator turns on the X-ray radiator 102, the telescopic end of the second hydraulic push rod 110 is in a retracted state. The X-ray radiator 102 first takes an overall picture of the solid propellant and displays an image of the internal structure of the solid propellant on the detection screen. The operator makes a preliminary judgment on the internal structure of the solid propellant. Subsequently, the operator needs to further observe the location of possible cracks or foreign objects inside the solid propellant. The operator controls the telescopic end of the second hydraulic push rod 110 to move upward through the control terminal, thereby driving the clamp 116 and the solid propellant to move upward. The distance between the X-ray radiator 102 and the solid propellant becomes smaller, and the image fed back to the detection screen by the X-ray detector 104 is partially enlarged, allowing the operator to observe the internal structure of the solid propellant more clearly.

[0032] When the operator is testing the solid propellant, the operator turns off the X-ray radiator 102 through the control terminal and turns on the fourth hydraulic push rod 117. The symmetrically distributed telescopic ends of the fourth hydraulic push rod 117 extend, causing the motorized roller 118 to contact the solid propellant. The operator then turns on the motorized roller 118 through the control terminal, which drives the solid propellant to rotate. During the rotation of the solid propellant, the roller 119 rotates, and the two sets of clamps 116 keep the solid propellant in a horizontal state while rotating. When the solid propellant rotates to the position required by the operator, the operator turns off the motorized roller 118 through the control terminal, controls the telescopic end of the fourth hydraulic push rod 117 to reset, and turns on the X-ray radiator 102. The operator analyzes the image on the detection screen and then repeats the above operations to perform a comprehensive test on the solid propellant.

[0033] When the operator needs to change the movement mode of the solid propellant and test the solid propellant, the operator turns off the X-ray radiator 102 through the control terminal and turns on the second servo motor 201, so that the output shaft of the second servo motor 201 drives the gear 203 to rotate through the movable rod 202, and the gear 203 drives the annular plate 112 to rotate through the ring gear 204. The two symmetrically distributed first servo motors 113 rotate around the axis of the annular plate 112, thereby driving the solid propellant to rotate around the axis of the annular plate 112, so that the direction of the solid propellant changes. Then the operator turns off the second servo motor 201 through the control terminal and turns on the second servo motor 201. The X-ray radiator 102 is turned on, and the X-ray radiator 102 displays an image of the internal structure of the solid propellant to the detection screen. The operator analyzes the internal structure of the solid propellant through the image on the detection screen. The operator repeats the above operation to comprehensively observe the internal structure of the solid propellant. When the operator completes the inspection of the solid propellant, the operator first turns off the X-ray radiator 102 through the control terminal, resets the fourth hydraulic push rod 117 and the first hydraulic push rod 106, then resets the second hydraulic push rod 110, the first servo motor 113 and the second servo motor 201, and finally controls the third hydraulic push rod 115 to reset.

[0034] Example 2: Based on Example 1, Figure 7-Figure 9As shown, the locking assembly includes a fifth hydraulic push rod 301, which is mounted on the rotating frame 114. The telescopic end of the fifth hydraulic push rod 301 is fixedly connected to a C-shaped mounting shell 302. The mounting shell 302 is made of a flexible material. An elastic pull rope is fixedly connected between the telescopic end of the fifth hydraulic push rod 301 and the adjacent mounting shell 302. The mounting shell 302 is fixedly connected to a C-shaped flexible seal 303. The elastic pull rope keeps the mounting shell 302 and the flexible seal 303 in an open state. The mounting shell 302 and the adjacent flexible seal are fixedly connected. A liquid storage cavity is formed between the mounting shell 302 and the adjacent flexible seal 303. Water is stored between the mounting shell 302 and the adjacent flexible seal 303. The recessed side of the flexible seal 303 is equipped with equidistantly distributed locking blocks 304. The adjacent locking blocks 304 are hinged. The locking blocks 304 are fixed with equidistantly distributed suction cups 305 on the side away from the adjacent fifth hydraulic push rod 301. The suction cups 305 are used to absorb solid propellant to prevent the solid propellant from falling off. The mounting shell 302 is fixed with a first fixed block 306 equidistantly arrayed along its arc surface. The flexible seal 303 The first fixed block 306 is fixed with a second fixed block 307 arranged equidistantly along its arc surface. The first fixed block 306 is in contact with the adjacent second fixed block 307. The first fixed block 306 is slidably connected to the adjacent second fixed block 307 through a sliding block. The first fixed block 306 and the second fixed block 307 are both located in the liquid storage cavity. The first fixed block 306 is fixed with a pull rod 308 distributed equidistantly. The pull rod 308 passes through the adjacent suction cup 305 and the adjacent second fixed block 307. The pull rod 308 contracts inward, causing the suction cup 305 to adsorb the solid and push it into the liquid storage cavity. When the solid propellant is added, the pull rod 308 extends outward to make the suction cup 305 release the solid propellant. When the suction cup 305 is not in contact with the solid propellant, the liquid in the liquid storage chamber is in an unfilled state. The pull rod 308 cooperates with the adjacent suction cup 305 to make the suction cup 305 fix the solid propellant. The fifth hydraulic push rod 301 is connected to a water pump, which is connected to the liquid storage chamber through a water supply pipe. The water pump injects water into the liquid storage chamber to make the suction cup 305 fix the solid propellant. The water pump pumps water out of the liquid storage chamber to make the suction cup 305 release the solid propellant.

[0035] When the operator needs to monitor both ends of the solid propellant, the operator uses the control terminal to activate the two symmetrically distributed first servo motors 113 and activate the locking assembly, which locks the solid propellant to prevent it from falling between the symmetrically distributed clamps 116. The two symmetrically distributed first servo motors 113 drive the solid propellant to rotate about the axis of the rotating frame 114 through the clamps 116 and the locking assembly, so that the axis of the solid propellant forms an angle with the horizontal plane. The operator uses the control terminal to deactivate the first servo motors 113 and the locking assembly and activate the X-ray radiator 102. The X-ray radiator 102 irradiates the surface of the solid propellant with X-rays. The X-ray detector 104 feeds the internal structure of the solid propellant back to the detection screen. The operator then detects and analyzes the internal structure of the solid propellant. The operator then repeats the above operation to observe and analyze the internal structure of the solid propellant at different deflection angles, ensuring that the operator has fully inspected the internal structure of the solid propellant. The motorized roller 118 and the locking assembly do not operate simultaneously to prevent the locking assembly from damaging the solid propellant.

[0036] After the operator opens the locking assembly through the control terminal, the telescopic end of the fifth hydraulic push rod 301 extends and gradually approaches the solid propellant. When the suction cup 305 located in the middle of the flexible seal 303 contacts the solid propellant, the telescopic end of the fifth hydraulic push rod 301 stops moving, and the suction cups 305 located at the upper and lower parts of the flexible seal 303 do not contact the solid propellant. A sealed space is formed between the solid propellant and the suction cups 305 in contact with it. The water pump injects water into the liquid storage chamber. As the water in the liquid storage chamber increases, the water squeezes the mounting shell 302, causing the mounting shell 302 to expand outward. The mounting shell 302 drives the first fixed block 306 to move outward, and the first fixed block 306 drives the adjacent pull rod 308 away from the solid propellant, so that a negative pressure space is formed between the solid propellant and the suction cup 305 in contact with it. The suction cup 305 adsorbs the solid propellant. As the amount of water in the liquid storage chamber continues to increase, the water squeezes the flexible seal 303 and the mounting shell 302, causing the mounting shell 302 to continue to expand and the flexible seal 303 to deform, causing the flexible seal 303 to squeeze the upper and lower locking blocks 304. The locking blocks 304 drive the adjacent suction cups 305 to contact the solid propellant. As the pull rod 308 continues to retract, the suction cups 305 located above and below the flexible seal 303 adsorb and fix the solid propellant. When the operator completes the inspection, the operator controls the water pump to pump water out of the liquid storage chamber through the control terminal. The negative pressure between the suction cup 305 and the solid propellant gradually returns to atmospheric pressure. The mounting shell 302 drives the first fixed block 306 to approach the adjacent second fixed block 307. The suction cup 305 no longer adsorbs the solid propellant. The operator then controls the fifth hydraulic push rod 301 to reset through the control terminal.

[0037] The above description is merely an example of the present invention and is not intended to limit the present invention. Any equivalent substitutions made within the principles of the present invention are intended to be included within the scope of protection of the present invention. Any content not elaborated in detail herein is already known to those skilled in the art.

Claims

1. A solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography, comprising a housing (101), a control terminal installed in the housing (101), a detection screen installed in the housing (101), an X-ray radiator (102) slidably connected to the interior of the housing (101), and an X-ray detector (104) installed in the interior of the housing (101), characterized in that: The movable plate (105) is also included. The movable plate (105) is slidably connected to the housing (101). A first hydraulic push rod (106) is installed inside the housing (101). The telescopic end of the first hydraulic push rod (106) is fixedly connected to the movable plate (105). A support plate (107) is fixedly connected to the inside of the housing (101). The support plate (107) is fixedly connected to a support plate (108) through a connecting frame. The movable plate (105) is fixedly connected to a second hydraulic push rod (110). The telescopic end of the second hydraulic push rod (110) is fixedly connected to a fixed plate (111). The fixed plate (111) is rotatably connected to an annular plate (112). The annular plate (112) is symmetrically provided with a first servo motor ( 113), the output shaft of the first servo motor (113) is fixedly connected to a rotating frame (114), the rotating frame (114) is symmetrically provided with a third hydraulic push rod (115), the telescopic end of the third hydraulic push rod (115) is fixedly connected to a clamp (116), the rotating frame (114) is provided with a locking assembly for locking the solid propellant, the telescopic end of the second hydraulic push rod (110) is telescopic, and the distance between the solid propellant and the X-ray radiator (102) is changed, the output shaft of the first servo motor (113) drives the solid propellant to rotate, and changes the deflection angle of the solid propellant, and the second hydraulic push rod (110) cooperates with the first servo motor (113) to make the solid propellant move in multiple directions; The locking assembly includes a fifth hydraulic push rod (301), the fifth hydraulic push rod (301) is installed on the rotating frame (114), the telescopic end of the fifth hydraulic push rod (301) is fixedly connected to the mounting shell (302), an elastic pull rope is fixedly connected between the telescopic end of the fifth hydraulic push rod (301) and the adjacent mounting shell (302), the mounting shell (302) is fixedly connected to a flexible sealing member (303), a liquid storage cavity is formed between the mounting shell (302) and the adjacent flexible sealing member (303), liquid is stored between the mounting shell (302) and the adjacent flexible sealing member (303), and equidistantly distributed locking blocks (304) are installed on opposite sides of the symmetrically distributed flexible sealing members (303), and adjacent locking blocks (304) are hinged. The locking block (304) is fixed with an equally spaced suction cup (305) on one side away from the adjacent fifth hydraulic push rod (301), the mounting shell (302) is fixed with a first fixed block (306), the flexible seal (303) is fixed with a second fixed block (307), the first fixed block (306) and the second fixed block (307) are slidably connected through a sliding block, the first fixed block (306) and the second fixed block (307) are both located in the liquid storage chamber, the first fixed block (306) is fixed with an equally spaced pull rod (308), the pull rod (308) passes through the adjacent suction cup (305) and the adjacent second fixed block (307), the fifth hydraulic push rod (301) is connected to a water pump, and the water pump is connected to the liquid storage chamber through a water supply pipe.

2. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 1, characterized in that: The axis of the rotating frame (114) is perpendicular to and intersects with the axis of the supporting plate (108).

3. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 2, characterized in that: The upper side surface of the support plate (108) is concave inward, and its depth gradually increases from the outer side to the center of the circle, so as to facilitate the clamp (116) to clamp the solid propellant.

4. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 3, characterized in that: A groove (109) is provided on the upper side of the support disc (108) to prevent the solid propellant from shaking on the upper side of the support disc (108).

5. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 3, characterized in that: The clamp (116) is an elastic clamping jaw used to accommodate solid propellants of different sizes.

6. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 1, characterized in that: A camera is installed inside the housing (101), and an electric push rod (103) is installed inside the housing (101). The telescopic end of the electric push rod (103) is fixedly connected to the X-ray radiator (102).

7. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 5, characterized in that: The rotating frame (114) is fixedly connected to a fourth hydraulic push rod (117), a motorized roller (118) is installed at the telescopic end of the fourth hydraulic push rod (117), and the symmetrically distributed clamps (116) are rotatably connected to evenly distributed rollers (119) on opposite sides.

8. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 1, characterized in that: The movable plate (105) is fixedly connected to the second servo motor (201), the output shaft of the second servo motor (201) is key-connected to the movable rod (202), the fixed disk (111) is fixedly connected to the fixed ring (2021), the fixed ring (2021) is rotatably connected to the movable rod (202), the movable rod (202) is fixedly connected to the gear (203), and the annular plate (112) is fixedly connected to the gear ring (204) meshing with the gear (203).

9. The solid propellant multi-degree-of-freedom test platform based on three-dimensional X-ray tomography according to claim 1, characterized in that: When the suction cup (305) is not in contact with the solid propellant, the liquid in the liquid storage chamber is in an unfilled state.

Images