Turnover mechanism applied to neutron photography

Abstract

The utility model discloses a turnover mechanism applied to neutron photography, and relates to the technical field of nondestructive testing of neutron photography. Comprising a first support, second supports, bearings, a supporting plate and a driving device are oppositely arranged on the two sides of the top of the first support, and one end of the driving device penetrates through the bearings and is fixedly connected with the supporting plate; the driving device comprises a motor and a second rotating shaft, the output end of the motor is fixedly connected with a first rotating shaft, the first rotating shaft is in sliding connection with a sleeve, the sleeve is rotationally connected with an L-shaped connecting rod, the L-shaped connecting rod is rotationally connected with an arc-shaped frame, the second rotating shaft penetrates through the bearing to be fixedly connected with the supporting plate, the second rotating shaft is rotationally connected with a C-shaped rod, and the top of the C-shaped rod is a clamping part, and the bottom of the C-shaped rod is a rotating part. The rotating part is rotationally connected with the clamping part, the clamping part is rotationally connected with the second rotating shaft, the rotating part is fixedly connected with a connecting shaft, and the connecting shaft is arranged between the arc-shaped frame and the L-shaped connecting rod in a penetrating mode. The turnover mechanism is used for solving the problems that operation is tedious and time is consumed, and an efficient, accurate and safe turnover mechanism solution is provided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the nondestructive testing technology field of neutron radiography, and in particular relates to a turnover mechanism applied to neutron radiography. BACKGROUND

[0002] Neutron radiography is a high-end nondestructive testing technology, which has strong penetration ability, high detection sensitivity and strong anti-interference ability, is similar to the traditional X-ray imaging method, but uses neutrons instead of X-rays. Neutron radiography is a non-destructive detection method, which is widely used in material research, engineering and medicine, and has shown unique advantages in biological experiments. In order to fix the equipment and facilitate the irradiation of mice, professional fixing methods and turnover irradiation design are required in experiments.

[0003] At present, most of the traditional neutron radiography equipment adopts fixed or limited adjustable turnover mechanism. These turnover mechanisms usually include a fixed rotating shaft, a sleeve connected through the rotating shaft, and a support structure or a mirror body driven to turn. Such mechanism often relies on manual or simple mechanical device for angle adjustment, which is tedious and time-consuming. For neutron radiography detection tasks that require frequent adjustment of turnover angle, the work efficiency is low.

[0004] Therefore, an easy-to-adjust turnover mechanism is needed to solve the problems existing in the prior art. UTILITY MODEL CONTENT

[0005] The utility model provides a turnover mechanism applied to neutron radiography, solves the problem of tedious and time-consuming operation of the turnover mechanism of the neutron radiography equipment, and provides an efficient, accurate and safe turnover mechanism solution.

[0006] The technical scheme used by the utility model is as follows:

[0007] A turnover mechanism applied to neutron radiography, comprising a support one, a support two oppositely arranged on the top of the support one, a bearing, a support plate and a driving device, the support two is fixedly connected on the support one, the bearing is fixedly installed on the support two, the driving device is rotationally arranged on one side of the bearing, and one end of the driving device is fixedly connected with the support plate through the bearing;

[0008] The driving device comprises a motor and a rotating shaft two, the motor output end is fixedly connected with a rotating shaft one, the rotating shaft one is slidably connected with a sleeve, the sleeve outer wall is rotationally connected with an L-shaped connecting rod, the L-shaped connecting rod is rotationally connected with an arc-shaped frame in the inside,

[0009] The second rotating shaft is fixedly connected with the support plate through the bearing, the outer wall of the second rotating shaft is rotationally connected with a C-shaped rod, the top of the C-shaped rod is a clamping portion, the bottom of the C-shaped rod is a rotating portion, the rotating portion is rotationally connected with the clamping portion, the clamping portion is rotationally connected with the second rotating shaft, and the rotating portion is fixedly connected with a connecting shaft.

[0010] Further, the outer wall of the sleeve is rotationally connected with one end of the L-shaped connecting rod, the other end of the L-shaped connecting rod is rotationally connected with the arc-shaped end of the arc-shaped frame, the middle end of the L-shaped connecting rod is rotationally connected with the end of the connecting rod of the arc-shaped frame, and the connecting shaft is arranged between the arc-shaped end of the arc-shaped frame and the connecting position of the L-shaped connecting rod.

[0011] Further, the adjusting assembly comprises a threaded rod and a rotating disc, the top of the threaded rod is fixedly connected with the rotating disc, a plurality of limiting grooves are formed in the bottom of the sleeve, and the rotating disc is slidably connected in the limiting grooves.

[0012] Further, the supporting frame three is fixedly installed on one side of the second supporting frame, the motor is fixedly connected to the bottom of the third supporting frame, and the threaded rod is threadedly connected with the bottom of the third supporting frame.

[0013] Further, the limiting rod one is fixedly installed on the side of the supporting plate facing the driving device.

[0014] Further, the limiting rod two and the position assembly are further included, the limiting rod two is fixedly installed on the position assembly, and the position assembly is slidably connected to the top of the first supporting frame.

[0015] Further, the position assembly comprises a sliding block, the sliding block is fixedly connected with the limiting rod two, a limiting block is fixedly installed in the sliding block, the limiting block is slidably connected with a wedge-shaped clamping plate one, symmetrically arranged wedge-shaped clamping plates two are slidably connected to the upper end and the lower end of the wedge-shaped clamping plate one, and a clamping block is fixedly connected to one side of the wedge-shaped clamping plate two.

[0016] Further, the position assembly further comprises an anti-skid strip, the anti-skid strip is fixedly connected to one side of the clamping block, and the anti-skid strip is attached to the inside of the first supporting frame.

[0017] Further, a limiting groove two is formed in the wedge-shaped clamping plate one, and the wedge-shaped clamping plate one is slidably connected with the limiting block through the limiting groove two.

[0018] Further, the inclined surface of the wedge-shaped clamping plate two is attached to the inclined surface of the wedge-shaped clamping plate one.

[0019] The utility model discloses the following beneficial effects:

[0020] 1. The overall device is designed and the components are configured to ensure stability and reliability during the neutron radiography process, the stable connection of the support frame, the efficient operation of the driving device, and the stability and accuracy of the support plate during the turning process. This design not only simplifies the operation process, but also significantly improves the detection efficiency, so that the neutron radiography can complete the detection task more quickly and accurately, and help to improve the reliability and application value of the neutron radiography technology.

[0021] 2. The motor is used as a power source, which drives the sleeve to rotate through the rotating shaft, and then drives the L-shaped connecting rod and the arc-shaped frame to rotate synchronously. The rotating part and the clamping part of the C-shaped rod are connected with the arc-shaped frame and the L-shaped connecting rod through the connecting shaft, which ensures the effective transmission of power and the synchronization of the system. This design not only improves the driving efficiency, but also enables the turning angle of the support plate to be accurately controlled, solves the problem of inconvenient adjustment of the rotation angle of the turning mechanism applied to neutron photography during rotation, meets the different needs of neutron photography, and improves the practicability of the neutron photography turning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A perspective view of a turning mechanism applied to neutron photography is provided for the utility model;

[0023] Figure 2 A support frame two structure schematic view of a turning mechanism applied to neutron photography is provided for the utility model;

[0024] Figure 3 A driving device structure schematic view of a turning mechanism applied to neutron photography is provided for the utility model;

[0025] Figure 4 An internal structure schematic view of a support frame one of a turning mechanism applied to neutron photography is provided for the utility model;

[0026] Figure 5 An internal structure schematic view of a sliding block of a turning mechanism applied to neutron photography is provided for the utility model.

[0027] In the drawings, the components represented by each number are listed as follows:

[0028] 1. Bracket 1; 2. Bracket 2; 3. Bearing; 4. Support plate; 5. Drive device; 6. Limiting rod 1; 7. Limiting rod 2; 8. Adjustment assembly; 9. Positioning assembly; 10. Bracket 3; 51. Connecting shaft; 52. Motor; 53. Rotating shaft 1; 54. Sleeve; 55. L-shaped connecting rod; 56. Arc-shaped frame; 57. Rotating shaft 2; 58. C-shaped rod; 81. Threaded rod; 82. Turntable; 91. Slider; 92. Limiting block; 93. Torx bolt; 94. Wedge-shaped clamping plate 1; 95. Wedge-shaped clamping plate 2; 96. Clamping block; 97. Anti-slip strip; 541. Limiting groove 1; 941. Limiting groove 2. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0031] like Figures 1-5 As shown, this embodiment provides a flipping mechanism for neutron radiography, including a first bracket 1. A second bracket 2, a third bracket 10, a bearing 3, a support plate 4, a drive device 5, a first limiting rod 6, a second limiting rod 7, an adjustment component 8, and a position component 9 are arranged opposite each other on the top two sides of the first bracket 1. The second bracket 2 is fixedly connected to the first bracket 1, the bearing 3 is fixedly installed on the second bracket 2, the third bracket 10 is fixedly installed on one side of the second bracket 2, the drive device 5 is disposed inside the third bracket 10, and is rotatably disposed on the side of the bearing 3 away from the first bracket 1. One end of the drive device 5 passes through the bearing 3 and is fixedly connected to the support plate 4, driving the support plate 4 to rotate. The first limiting rod 6 is fixedly installed on the side of the support plate 4 facing the drive device 5, the second limiting rod 7 is fixedly installed on the position component 9, and the position component 9 is slidably connected to the top of the first bracket 1. The position component 9 can be used to drive the second limiting rod 7 to slide and fix the position of the second limiting rod 7. The adjustment component 8 is connected to the drive device 5 and is used to adjust the rotation speed of the flipping mechanism.

[0032] The support one 1 is connected with the support two 2, so that the support two 2 can stably support the whole turnover mechanism, and the connection between the support one 1 and the support two 2 provides a firm foundation, ensuring that the driving device 5 can stably rotate through the bearing 3 to control the support plate 4, and the cooperation between the limiting rod one 6 and the limiting rod two 7 can prevent the support plate 4 from exceeding the predetermined angle during the turnover process, prevent the support plate 4 from being damaged due to excessive turnover or excessive pressure, and ensure the safety and reliability of the turnover process. The support three 10 provides support for the whole driving device 5, so that the driving device 5 can efficiently transmit power and drive the turnover of the support plate 4.

[0033] Specifically, as shown in Figure 2 and Figure 3 , the driving device 5 includes a motor 52, a rotating shaft one 53, a sleeve 54, an L-shaped connecting rod 55, an arc-shaped frame 56, a rotating shaft two 57, a C-shaped rod 58, and a connecting shaft 51. The outer wall of the motor 52 is fixedly connected to the bottom of the support three 10, and the output end of the motor 52 is fixedly connected with the rotating shaft one 53. The rotating shaft one 53 is slidingly connected with the sleeve 54, and the outer wall of the sleeve 54 is rotatably connected with one end of the L-shaped connecting rod 55. The other end of the L-shaped connecting rod 55 is rotatably connected with the arc-shaped end of the arc-shaped frame 56. The middle end of the L-shaped connecting rod 55 is rotatably connected with the connecting rod end of the arc-shaped frame 56. The bottom of the C-shaped rod 58 is a rotating part, which is fixedly connected with the connecting shaft 51. The connecting shaft 51 is arranged between the arc-shaped end of the arc-shaped frame 56 and the connecting position of the L-shaped connecting rod 55. The top of the C-shaped rod 58 is a clamping part, which is rotatably connected with the rotating shaft two 57. The rotating part is rotatably connected with the clamping part. The rotating shaft two 57 is fixedly connected with the support plate 4 through the bearing 3.

[0034] The motor 52 outputs power through the rotating shaft one 53 to drive the sleeve 54 to rotate, thereby driving the L-shaped connecting rod 55. The L-shaped connecting rod 55 rotates around the sleeve 54 to drive the arc-shaped frame 56 to rotate synchronously. In turn, the rotating part of the C-shaped rod 58 rotates and rotates synchronously around the sleeve 54 with the arc-shaped frame 56. The connecting shaft 51 is arranged between the arc-shaped frame 56 and the L-shaped connecting rod 55, effectively transmitting mechanical power and ensuring the stability and synchronism of the whole system. Finally, the clamping part of the C-shaped rod 58 drives the rotating shaft two 57 to reciprocate left and right, realizing the rotation control of the support plate 4. At the same time, under the action of the limiting rod one 6 and the limiting rod two 7, excessive rotation is avoided. The rotating shaft two 57 drives the support plate 4 to turn over. The support plate 4 can realize a turnover angle of 90°, ensuring the accuracy and stability of the equipment operation.

[0035] Specifically, as shown in Figure 2 and Figure 3As shown, the adjusting assembly 8 includes a threaded rod 81 and a rotating disc 82, the threaded rod 81 is threadedly connected with the bottom of the bracket three 10, the top of the threaded rod 81 is fixedly connected with the rotating disc 82, the bottom of the sleeve 54 is provided with a ring of limiting grooves one 541, and the rotating disc 82 is slidingly connected inside the limiting grooves one 541. By rotating the threaded rod 81, the rotating disc 82 slides up and down to drive the sleeve 54 to slide on the outer wall of the rotating shaft one 53, thereby changing the distance between the L-shaped connecting rod 55 and the C-shaped rod 58. By adjusting the distance, the rotating speed of the C-shaped rod 58 can be effectively controlled, thereby adjusting the speed of the support plate 4. This adjusting mechanism makes the operation more flexible, meets the accurate regulation and control of different working requirements, can adjust the overturning speed according to actual needs, and improves the flexibility and practicality.

[0036] Specifically, as shown in Figure 4 and Figure 5 , the position assembly 9 is fixedly connected to the bottom of the limiting rod two 7 and slidingly connected inside the bracket one 1, the position assembly 9 includes a sliding block 91, a limiting block 92, a key bolt 93, a wedge-shaped clamping plate one 94, a wedge-shaped clamping plate two 95, a clamping block 96 and an anti-skid strip 97, the limiting grooves two 941 are provided on both sides of the wedge-shaped clamping plate one 94, the sliding block 91 is fixedly connected with the limiting rod two 7, the limiting block 92 is fixedly installed inside the sliding block 91, the wedge-shaped clamping plate one 94 is slidingly connected with the limiting block 92 through the limiting grooves two 941, and the wedge-shaped clamping plate two 95 is symmetrically arranged and slidingly connected at the upper and lower ends of the wedge-shaped clamping plate one 94, the inclined surface of the wedge-shaped clamping plate two 95 is matched with the inclined surface of the wedge-shaped clamping plate one 94, so as to ensure the accurate cooperation between them and avoid deviation during sliding. The side of the wedge-shaped clamping plate two 95 is fixedly connected with the side of the clamping block 96, the other side of the clamping block 96 is fixedly connected with the anti-skid strip 97, the anti-skid strip 97 is attached to the inside of the bracket one 1, and the key bolt 93 is threadedly connected with the wedge-shaped clamping plate one 94 through the sliding block 91. Among them, the sliding block 91 allows the limiting rod two 7 to be positionally adjusted in the bracket one 1 as needed, the sliding structure of the sliding block 91 provides a flexible adjustment space, and the limiting rod two 7 can be accurately positioned at the required position to effectively limit the support plate 4; the limiting block 92 is used to cooperate with the limiting grooves two 941 to further ensure the stability of the wedge-shaped clamping plate one 94 during sliding; the cooperation of the wedge-shaped clamping plate two 95 and the wedge-shaped clamping plate one 94 improves the stability of the entire position assembly 9, making the adjustment process more stable, and the symmetric structure of the wedge-shaped clamping plate two 95 effectively shares the force during operation, making the position adjustment more balanced; the clamping block 96 is used to convert the sliding of the wedge-shaped clamping plate two 95 into the contact between the position assembly 9 and the inner wall of the bracket one 1, so that the limiting rod two 7 can be stably stopped at the accurate position; the anti-skid strip 97 effectively enhances the fixity of the entire limiting mechanism by closely contacting with the bracket one 1, avoiding misadjustment caused by vibration or external force.

[0037] When adjusting the position of the limiting rod 2 7 to precisely limit the support plate 4, the limiting rod 2 7 slides smoothly within the bracket 1 via the position assembly 9. When it is necessary to fix the position of the limiting rod 2 7, the Phillips bolt 93 is rotated. The rotation of the Phillips bolt 93 causes the wedge-shaped clamping plate 1 94 to slide within the slider 91. The wedge-shaped clamping plate 1 94 slides within the outer wall of the limiting block 92 via the limiting groove 2 941, ensuring the accuracy of the position adjustment. The inclined surface of the wedge-shaped clamping plate 1 94 is in contact with the wedge-shaped clamping plate 2 941. The inclined surface of 95 forms a tight connection, which in turn drives the wedge-shaped clamping plate 95 to slide within the slider 91. As the wedge-shaped clamping plate 95 moves, the clamping block 96 extends out of the slider 91. The extension of the clamping block 96 causes the anti-slip strip 97 to fit tightly against the inner wall of the bracket 1. The tight contact of the anti-slip strip 97 effectively improves the fixing force of the limit rod 7, making the limit rod 7 stable after adjustment and preventing position displacement due to external force or vibration, thus ensuring the safety and accuracy of the limit mechanism. This adjustment mechanism achieves flexible adjustment and precise fixing of the limit position through simple operation. By adjusting the plum bolt 93, the position of the limit rod 7 can be precisely adjusted as needed, so that the rotation or movement range of the support plate 4 can be accurately limited, avoiding excessive rotation or loss of control, while ensuring that it is not easy to loosen or shift during use. The overall design not only improves the convenience of adjustment of the limit mechanism, but also enhances the stability and durability of the equipment, ensuring the efficiency and safety of mechanical operation.

[0038] The working principle of this utility model is as follows: When using the neutron camera flipping mechanism, the motor 52 is started first. The output end of the motor 52 drives the rotating shaft 53 to rotate. The rotating shaft 53 drives the sleeve 54, and the sleeve 54 drives the L-shaped connecting rod 55 to rotate. The L-shaped connecting rod 55 is connected to the arc frame 56. Both the L-shaped connecting rod 55 and the arc frame 56 are connected to one end of the rotating part of the C-shaped rod 58 through the connecting shaft 51, so that the rotation of the arc frame 56 is converted into a left-right reciprocating oscillation of the rotating shaft 57 through the C-shaped rod 58. The support plate 4 is limited by the limiting rod 6 and the limiting rod 7 at the top of the bracket 1 to prevent the support plate 4 from over-rotating. When it is necessary to adjust the rotation speed, the rotating threaded rod 81 drives the turntable 82 to move. The turntable 82 is embedded in the limiting groove 541 for limitation, which in turn drives the sleeve 54 to slide on the outer wall of the rotating shaft 53, thereby driving the distance between the sleeve 54 and the C-shaped rod 58, thereby adjusting the rotation speed of the C-shaped rod 58, achieving the effect of driving the support plate 4 to rotate and adjusting the rotation speed.

[0039] In addition, when adjusting the position of the second limiting rod 7 to limit the support plate 4, the second limiting rod 7 slides in the bracket 1 through the position component 9. When it is necessary to fix the position of the second limiting rod 7, the wedge-shaped clamping plate 94 slides in the slider 91 when the plum bolt 93 is rotated. The wedge-shaped clamping plate 94 slides on the outer wall of the limiting block 92 through the limiting groove 941. The outer wall of the wedge-shaped clamping plate 94 is attached to the inner wall of the second wedge-shaped clamping plate 95, which in turn drives the second wedge-shaped clamping plate 95 to slide in the slider 91. The second wedge-shaped clamping plate 95 drives the clamping block 96 to extend out of the slider 91, so that the clamping block 96 drives the anti-slip strip 97 to be attached to the inside of the bracket 1, which in turn drives the second limiting rod 7 to be fixed, thus achieving the effect of easy adjustment of the limiting mechanism.

[0040] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A flipping mechanism for neutron radiography, characterized in that, The device includes a bracket (1), a bracket (2), a bearing (3), a support plate (4), and a drive device (5) arranged opposite to each other on the top two sides of the bracket (1). The bracket (2) is fixedly connected to the bracket (1), the bearing (3) is fixedly installed on the bracket (2), and the drive device (5) is rotatably arranged on one side of the bearing (3). One end of the drive device (5) passes through the bearing (3) and is fixedly connected to the support plate (4). The driving device (5) includes a motor (52) and a second rotating shaft (57). The output end of the motor (52) is fixedly connected to a first rotating shaft (53). The first rotating shaft (53) is slidably connected to a sleeve (54). An L-shaped connecting rod (55) is rotatably connected to the outer wall of the sleeve (54). An arc-shaped frame (56) is rotatably connected inside the L-shaped connecting rod (55). The second rotating shaft (57) passes through the bearing (3) and is fixedly connected to the support plate (4). A C-shaped rod (58) is rotatably connected to the outer wall of the second rotating shaft (57). The top of the C-shaped rod (58) is a clamping part, and the bottom of the C-shaped rod (58) is a rotating part. The rotating part is rotatably connected to the clamping part, and the clamping part is rotatably connected to the second rotating shaft (57). A connecting shaft (51) is fixedly connected to the rotating part. The connecting shaft (51) passes between the arc frame (56) and the L-shaped connecting rod (55).

2. The flipping mechanism for neutron radiography according to claim 1, characterized in that, The outer wall of the sleeve (54) is rotatably connected to one end of the L-shaped connecting rod (55), the other end of the L-shaped connecting rod (55) is rotatably connected to the arc end of the arc frame (56), the middle end of the L-shaped connecting rod (55) is rotatably connected to the end of the connecting rod of the arc frame (56), and the connecting shaft (51) passes through the connection between the arc end of the arc frame (56) and the L-shaped connecting rod (55).

3. The flipping mechanism for neutron radiography according to claim 2, characterized in that, It also includes an adjustment component (8), which includes a threaded rod (81) and a turntable (82). The top of the threaded rod (81) is fixedly connected to the turntable (82). A limiting groove (541) is formed at the bottom of the sleeve (54), and the turntable (82) is slidably connected inside the limiting groove (541).

4. The flipping mechanism for neutron radiography according to claim 3, characterized in that, It also includes a bracket three (10), which is fixedly installed on one side of the bracket two (2), the motor (52) is fixedly connected to the bottom of the bracket three (10), and the threaded rod (81) is threadedly connected to the bottom of the bracket three (10).

5. A flipping mechanism for neutron radiography according to claim 1, characterized in that, It also includes a limiting rod (6), which is fixedly installed on the side of the support plate (4) facing the drive device (5).

6. A flipping mechanism for neutron radiography according to claim 1 or 5, characterized in that, It also includes a second limiting rod (7) and a position component (9), the second limiting rod (7) being fixedly installed on the position component (9), and the position component (9) being slidably connected to the top of the first bracket (1).

7. A flipping mechanism for neutron radiography according to claim 6, characterized in that, The position component (9) includes a slider (91), which is fixedly connected to the second limiting rod (7). A limiting block (92) is fixedly installed inside the slider (91). The limiting block (92) is slidably connected to a wedge-shaped locking plate (94). The upper and lower ends of the wedge-shaped locking plate (94) are slidably connected to a symmetrically arranged wedge-shaped locking plate (95). A locking block (96) is fixedly connected to one side of the wedge-shaped locking plate (95).

8. A flipping mechanism for neutron radiography according to claim 7, characterized in that, The position component (9) also includes an anti-slip strip (97), which is fixedly connected to one side of the card block (96) and fits inside the bracket (1).

9. A flipping mechanism for neutron radiography according to claim 7, characterized in that, A limiting groove 2 (941) is provided in the wedge-shaped card plate 1 (94), and the wedge-shaped card plate 1 (94) is slidably connected to the limiting block (92) through the limiting groove 2 (941).

10. A flipping mechanism for neutron radiography according to claim 7, characterized in that, The inclined surface of the second wedge plate (95) is in contact with the inclined surface of the first wedge plate (94).

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