CT (Computed Tomography) detection equipment

By designing the drag chain rotation device in the CT inspection equipment and using the S-shaped drag chain and limit section design, the problem of accumulation and collapse of the cable drag chain during the rotation process is solved, and the smooth operation of the equipment is achieved.

CN222367709UActive Publication Date: 2025-01-21PINGSENG HEALTHCARE KUNSHAN
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Patent Information

Application Number
CN202420878753.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-01-21
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

During the rotation of the CT detection equipment, the cable drag chains are prone to accumulate and collapse, resulting in poor operation.

Method used

A CT inspection equipment is designed, which uses a drag chain slewing device, including a fixed upper outer ring of the drag chain, a fixed lower outer ring of the drag chain, a movable upper inner ring of the drag chain, and a movable lower inner ring of the drag chain. Through the two-way movement of the S-shaped drag chain The bending and limiting section design ensures that the cables are guided and supported during the rotation of the turntable.

Benefits of technology

It effectively avoids the problems of accumulation and collapse of the cable drag chain during the rotation process, ensuring the smooth operation of the CT inspection equipment.

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Abstract

The utility model discloses CT (Computed Tomography) detection equipment and belongs to the technical field of CT detection equipment. The rotary CT detection equipment drag chain rotation device comprises a drag chain fixing upper outer ring which is arranged on the end face, facing a rotary disc, of a vertical plate; the drag chain is fixed to the lower outer ring and arranged on the end face, facing the turntable, of the vertical plate; the drag chain movable upper inner ring is arranged on the end face, facing the vertical plate, of the rotary disc, the drag chain movable lower inner ring is arranged on the end face, facing the vertical plate, of the rotary disc, and the radiuses of the drag chain movable lower inner ring, the drag chain fixed lower outer ring, the drag chain movable upper inner ring and the drag chain fixed upper outer ring are sequentially increased. A first state limiting interval can be formed between the drag chain movable lower inner ring and the drag chain fixed lower outer ring, and a second state limiting interval can be formed between the drag chain movable upper inner ring and the drag chain fixed upper outer ring; the fixed end of the S-shaped drag chain is connected with the drag chain fixing upper outer ring, the moving end of the S-shaped drag chain can penetrate through the first state limiting interval or the second state limiting interval and is connected with the drag chain moving lower inner ring, and the drag chain can be prevented from collapsing.
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Description

Technical Field

[0001] The utility model relates to the technical field of CT detection equipment, in particular to a CT detection equipment. Background Art

[0002] The CT detection equipment used for live and dead small animals includes a scintillator detector array, data transmission and rotation scanning. It can only perform tomographic reconstruction. The X-ray source and detector are fixed on a turntable. During the rotation of the turntable, the detector receives the X-rays that have penetrated the small animal or experimental model, and the computer software system reconstructs the image in three dimensions based on the collected data.

[0003] However, since the turntable needs to rotate 360 ​​degrees, the required cable drag chain is relatively long, which may cause problems such as cable drag chain accumulation and collapse during rotation, resulting in unsmooth operation.

[0004] Therefore, it is urgent to provide a CT detection device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a CT detection device, when the turntable of the CT detection device performs a rotary motion, the drag chain can be guided and supported in the process of rotating with the turntable, so as to avoid the collapse of the drag chain.

[0006] In order to achieve the above objectives, the following technical solutions are provided:

[0007] The CT detection equipment comprises a vertical plate and a turntable, wherein the turntable is rotatably connected to the vertical plate, and the turntable can rotate forward or reverse relative to the vertical plate, and is characterized in that the CT detection equipment also comprises a drag chain rotating device, and the drag chain rotating device comprises:

[0008] The drag chain fixes the upper outer ring, which is arranged on the end surface of the vertical plate facing the turntable;

[0009] The drag chain fixes the lower outer ring, which is arranged on the end surface of the vertical plate facing the turntable;

[0010] The movable upper inner ring of the drag chain is arranged on the end surface of the turntable facing the vertical plate.

[0011] The movable lower inner ring of the drag chain is arranged on the end surface of the turntable facing the vertical plate, the radii of the movable lower inner ring of the drag chain, the fixed lower outer ring of the drag chain, the movable upper inner ring of the drag chain and the fixed upper outer ring of the drag chain increase in sequence, a first state limit interval can be formed between the movable lower inner ring of the drag chain and the fixed lower outer ring of the drag chain, and a second state limit interval can be formed between the movable upper inner ring of the drag chain and the fixed upper outer ring of the drag chain;

[0012] An S-shaped drag chain, wherein the fixed end of the S-shaped drag chain is connected to the inner wall of the fixed upper outer ring of the drag chain, and the movable end of the S-shaped drag chain can pass through the first state limit interval or the second state limit interval and be connected to the outer wall of the movable lower inner ring of the drag chain.

[0013] As an optional solution of the CT detection equipment, the CT detection equipment further includes a driving device, which is arranged on the vertical plate and is drivingly connected to the turntable for driving the turntable to rotate forward or reverse.

[0014] As an optional solution for the CT detection equipment, the driving device is a servo motor.

[0015] As an optional solution of the CT detection equipment, the turntable is located on the front side of the stand, and the driving device is located on the back side of the stand.

[0016] As an optional solution for CT detection equipment, the central angle corresponding to the upper outer ring fixed by the drag chain is 195 degrees, and the central angle between the first end point of the upper outer ring fixed by the drag chain and the horizontal reference line is 40 degrees.

[0017] As an optional solution for CT detection equipment, the central angle corresponding to the lower outer ring fixed by the drag chain is 150 degrees, and the central angle corresponding to the second end point of the lower outer ring fixed by the drag chain and the horizontal reference line is 15 degrees.

[0018] As an optional solution for the CT detection equipment, the central angle corresponding to the upper inner circle of the drag chain is 135 degrees. When in the first state, the central angle corresponding to the first endpoint of the upper inner circle of the drag chain and the horizontal reference line is 5 degrees.

[0019] As an optional solution for the CT detection equipment, the central angle corresponding to the lower inner circle of the drag chain is 230 degrees. When in the first state, the central angle corresponding to the first endpoint of the lower inner circle of the drag chain and the horizontal reference line is 0 degree.

[0020] As an optional solution of the CT detection equipment, the CT detection equipment further includes a base, the vertical plate is vertically arranged on the base, and a plurality of universal wheels are arranged at the bottom of the base.

[0021] As an optional solution for the CT detection equipment, a brake mechanism is provided on the universal wheel.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The CT detection equipment provided by the utility model has a fixed upper outer ring of a drag chain and a fixed lower outer ring of a drag chain installed on the end surface of the vertical plate facing the turntable, and a movable upper inner ring of a drag chain and a movable lower inner ring of a drag chain are provided on the end surface of the turntable facing the vertical plate, wherein the radii of the movable lower inner ring of the drag chain, the fixed lower outer ring of the drag chain, the movable upper inner ring of the drag chain and the fixed upper outer ring of the drag chain increase in sequence. The S-shaped drag chain can be bent in both directions, the fixed end of the S-shaped drag chain is connected to the inner wall of the fixed upper outer ring of the drag chain, the moving end of the S-shaped drag chain is connected to the outer wall of the movable lower inner ring of the drag chain, and the cable can pass through the S-shaped drag chain and extend from the threading hole of the turntable. When the S-shaped drag chain is in the initial first state, the moving end of the S-shaped drag chain passes through the first state limit interval formed by the movable lower inner ring of the drag chain and the fixed lower outer ring of the drag chain. After the turntable stops rotating clockwise, the S-shaped drag chain is in the second state where the rotation ends. The moving end of the S-shaped drag chain passes through the second state limit interval formed by the movable upper inner ring of the drag chain and the fixed upper outer ring of the drag chain, thereby avoiding the problems of accumulation and collapse of the S-shaped drag chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0025] Figure 1 It is a side view of the CT detection device in the embodiment of the utility model;

[0026] Figure 2 This is a rear view of the CT detection device in the embodiment of the utility model;

[0027] Figure 3 This is a front view of a CT detection device in an embodiment of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the back side of the turntable in the embodiment of the utility model;

[0029] Figure 5 This is a structural schematic diagram of the front side of the vertical plate in the embodiment of the utility model;

[0030] Figure 6 This is a schematic diagram of the corresponding central angles of the fixed upper outer ring of the drag chain and the movable lower inner ring of the drag chain when the S-shaped drag chain in the embodiment of the utility model is in the first state (the turntable is not shown);

[0031] Figure 7This is a structural schematic diagram of the corresponding central angles of the movable upper inner ring of the drag chain and the fixed lower outer ring of the drag chain when the S-shaped drag chain in the embodiment of the utility model is in the first state (the turntable is not shown);

[0032] Figure 8 This is a schematic diagram of the structure of the S-shaped drag chain during the clockwise rotation of the turntable in the embodiment of the utility model;

[0033] Fig. 9 It is a structural schematic diagram of the S-shaped drag chain in the second state after the turntable finishes rotating clockwise in the embodiment of the utility model.

[0034] Reference numerals:

[0035] 1. Vertical plate; 2. Turntable; 3. Fixed upper outer ring of drag chain; 4. Fixed lower outer ring of drag chain; 5. Movable upper inner ring of drag chain; 6. Movable lower inner ring of drag chain; 7. S-shaped drag chain; 71. Moving end; 72. Fixed end; 8. Driving device; 9. Horizontal reference line; 10. Base; 11. Universal wheel;

[0036] 21. Threading hole; 22. Rotating outer gear ring;

[0037] 31. The first endpoint of the upper outer circle; 32. The second endpoint of the upper outer circle;

[0038] 41, first endpoint of lower outer circle; 42, second endpoint of lower outer circle;

[0039] 51, first endpoint of the upper inner circle; 52, second endpoint of the upper inner circle;

[0040] 61. The first endpoint of the lower inner circle; 62. The second endpoint of the lower inner circle. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0042] In the description of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0043] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0045] In order to avoid the problems of cable drag chain accumulation and collapse when the cable drag chain rotates, this embodiment provides a CT detection device, which is combined with Figures 1 to 9 The specific contents of this embodiment are described in detail.

[0046] like Figures 1 to 7 As shown, the CT detection equipment includes a drag chain rotating device, a vertical plate 1 and a turntable 2, the turntable 2 is rotatably connected to the vertical plate 1, and the turntable 2 can rotate forward or reverse relative to the vertical plate 1. The drag chain rotating device includes an S-shaped drag chain 7, a fixed upper outer ring 3 of the drag chain, a fixed lower outer ring 4 of the drag chain, a movable upper inner ring 5 of the drag chain, and a movable lower inner ring 6 of the drag chain.

[0047] The fixed upper outer ring 3 of the drag chain is arranged on the end surface of the vertical plate 1 facing the turntable 2, and the fixed upper outer ring 3 of the drag chain is located at the upper part of the vertical plate 1. The fixed lower outer ring 4 of the drag chain is arranged on the end surface of the vertical plate 1 facing the turntable 2, and the fixed lower outer ring 4 of the drag chain is located at the lower part of the vertical plate 1. The movable upper inner ring 5 of the drag chain is arranged on the end surface of the turntable 2 facing the vertical plate 1, and the movable upper inner ring 5 of the drag chain is located at the upper part of the turntable 2. The movable lower inner ring 6 of the drag chain is arranged on the end surface of the turntable 2 facing the vertical plate 1, and the movable lower inner ring 6 of the drag chain is located at the lower part of the turntable 2. The radii of the movable lower inner ring 6 of the drag chain, the fixed lower outer ring 4 of the drag chain, the movable upper inner ring 5 of the drag chain, and the fixed upper outer ring 3 of the drag chain increase in sequence, and a first state limit interval can be formed between the movable lower inner ring 6 of the drag chain and the fixed lower outer ring 4 of the drag chain, and a second state limit interval can be formed between the movable upper inner ring 5 of the drag chain and the fixed upper outer ring 3 of the drag chain. The fixed end 72 of the S-shaped drag chain 7 is connected to the inner wall of the fixed upper outer ring 3 of the drag chain, and the moving end 71 of the S-shaped drag chain 7 can pass through the first state limit interval or the second state limit interval and be connected to the outer wall of the movable lower inner ring 6 of the drag chain.

[0048] like Figure 7 As shown, in the initial first state, the main weight of the bidirectionally bendable S-shaped drag chain 7 is borne by the fixed lower outer ring 4 of the drag chain. Figure 7 Combination Figure 8 As shown, when the turntable 2 starts to rotate clockwise, the S-shaped drag chain 7 can be deformed and moved under the guidance of the drag chain's movable inner ring 6 and the drag chain's fixed outer ring 4. Figure 8 Combination Fig. 9 As shown, the S-shaped drag chain 7 can be deformed and moved under the guidance of the drag chain movable upper inner ring 5 and the drag chain fixed upper outer ring 3. When the clockwise rotation ends, the main weight of the S-shaped drag chain 7 is borne by the drag chain movable upper inner ring 5.

[0049] In short, the CT detection equipment provided in this embodiment has a fixed upper outer ring 3 of a drag chain and a fixed lower outer ring 4 of a drag chain installed on the end face of the vertical plate 1 facing the turntable 2, and a movable upper inner ring 5 of a drag chain and a movable lower inner ring 6 of a drag chain are provided on the end face of the turntable 2 facing the vertical plate 1, wherein the radii of the movable lower inner ring 6 of the drag chain, the fixed lower outer ring 4 of the drag chain, the movable upper inner ring 5 of the drag chain and the fixed upper outer ring 3 of the drag chain increase in sequence. The S-shaped drag chain 7 can be bent in both directions, the fixed end 72 of the S-shaped drag chain 7 is connected to the inner wall of the fixed upper outer ring 3 of the drag chain, the moving end 71 of the S-shaped drag chain 7 is connected to the outer wall of the movable lower inner ring 6 of the drag chain, and the cable can pass through the S-shaped drag chain 7 and extend from the threading hole 21 of the turntable 2. When the S-shaped drag chain 7 is in the initial first state, the moving end 71 of the S-shaped drag chain 7 passes through the first state limit interval formed by the drag chain's movable lower inner ring 6 and the drag chain's fixed lower outer ring 4. After the turntable 2 stops rotating clockwise (i.e., the clockwise rotation ends), the S-shaped drag chain 7 is in the second state where the rotation ends. The moving end 71 of the S-shaped drag chain 7 passes through the second state limit interval formed by the drag chain's movable upper inner ring 5 and the drag chain's fixed upper outer ring 3, thereby avoiding the problem of the S-shaped drag chain 7 stacking and collapsing.

[0050] Further, as shown in 8 combined with Fig. 9 As shown, the CT detection equipment also includes a driving device 8, which is arranged on the vertical plate 1, and the driving device 8 is connected to the turntable 2 in a transmission manner, and the driving device 8 is used to drive the turntable 2 to rotate forward or reverse. A rotating outer gear ring 22 is provided on the front of the vertical plate 1, and the back of the turntable 2 is mounted on the rotating outer gear ring 22. A driving gear is provided on the output shaft of the driving device 8, and the driving gear is meshed with the rotating outer gear ring 22. In this embodiment, the turntable 2 is located on the front of the vertical plate 1, and the driving device 8 is located on the back of the vertical plate 1. On the one hand, structural interference between the turntable 2 and the housing of the driving device 8 can be avoided, and on the other hand, the front and rear weights of the vertical plate 1 can be balanced.

[0051] Exemplarily, the driving device 8 is a servo motor. By controlling the servo motor, the turntable 2 can be rotated through a set angle, thereby improving the rotation accuracy of the turntable 2.

[0052] Specifically, Figure 6 As shown, the central angle corresponding to the first endpoint 31 of the upper outer ring 3 of the drag chain fixed upper outer ring and the second endpoint 32 of the upper outer ring is 195 degrees, and the central angle between the first endpoint 31 of the upper outer ring 3 of the drag chain fixed upper outer ring and the horizontal reference line 9 is 40 degrees.

[0053] Specifically, Figure 7 As shown, the central angle corresponding to the first endpoint 41 of the lower outer ring 4 fixed by the drag chain and the second endpoint 42 of the lower outer ring is 150 degrees, and the central angle corresponding to the second endpoint 42 of the lower outer ring 4 fixed by the drag chain and the horizontal reference line 9 is 15 degrees.

[0054] Specifically, Figure 7 As shown, the central angle corresponding to the first endpoint 51 of the upper inner circle of the movable upper inner circle 5 and the second endpoint 52 of the upper inner circle is 135 degrees. When in the first state, the central angle corresponding to the first endpoint 51 of the upper inner circle of the movable upper inner circle 5 of the drag chain and the horizontal reference line 9 is 5 degrees.

[0055] Specifically, Figure 6 As shown, the central angle corresponding to the first endpoint 61 of the lower inner circle of the movable lower inner circle 6 and the second endpoint 62 of the lower inner circle is 230 degrees. When in the first state, the central angle corresponding to the first endpoint 61 of the lower inner circle of the movable lower inner circle 6 of the drag chain and the horizontal reference line 9 is 0 degree.

[0056] Furthermore, if Figure 2 As shown, the CT detection device also includes a base 10, and the vertical plate 1 is vertically arranged on the base 10. A plurality of universal wheels 11 are arranged at the bottom of the base 10. The weight of the vertical plate 1 and the components on the vertical plate 1 are carried by the base 10, and the position movement of the CT detection device is facilitated by adding the universal wheels 11.

[0057] Preferably, a brake mechanism is provided on the universal wheel 11. When the CT detection device is moved into position, the universal wheel 11 is locked by the brake mechanism to ensure that the position of the CT detection device remains unchanged and the accuracy of the detection is ensured. In summary, the CT detection device in this embodiment: the upper outer ring 3 of the drag chain and the lower outer ring 4 of the drag chain are fixed on the vertical plate 1, and the angles thereof are set as follows: Figure 6 and Figure 7 As shown. Install the rotating outer gear ring 22 and the driving device 8 on the vertical plate 1. Fix the upper inner ring 5 and the lower inner ring 6 of the drag chain on the turntable 2, and set their angles as shown. Figure 6 and Figure 7 As shown. Install the turntable 2 onto the rotating outer gear ring 22, and fix the moving end 71 and the fixed end 72 of the S-shaped drag chain 7 onto the drag chain movable lower inner ring 6 and the drag chain fixed upper outer ring 3 respectively. In this case, Figure 6 and Figure 7 It is the starting position of the drag chain slewing device.

[0058] The cables of the components on the turntable 2 pass through the threading holes 21 provided on the turntable 2 and enter the moving end 71 of the S-shaped drag chain 7. After passing through the S-shaped drag chain 7, the cables pass out from the fixed end 72 of the S-shaped drag chain 7. To facilitate the installation of the cables, the side panels of the S-shaped drag chain 7 can be opened, and the installation order of the S-shaped drag chain 7 and the components of the drag chain slewing device can be changed.

[0059] The driving device 8 drives the rotating outer gear ring 22 to rotate, and drives the turntable 2 to rotate clockwise. Under the guidance of the drag chain rotating device, the S-shaped drag chain 7 and the cables inside it move from the starting position (such as Figure 7 as shown) gradually passes through the middle position (as shown Figure 8), reaches the end position (as shown Fig. 9 shown).

[0060] On the contrary, at the end position (such as Fig. 9 In the state shown in FIG. 1 , the driving motor device drives the rotary outer gear ring 22 to rotate, and drives the turntable 2 to rotate counterclockwise. The S-shaped drag chain 7 and the cables inside it are guided by the drag chain rotating device from the end position (as shown in FIG. Fig. 9 as shown) gradually passes through the middle position (as shown Figure 8 As shown), reach the starting position (as Figure 7 shown).

[0061] The angle and orientation of the drag chain swivel device in this case are only for illustrating the implementation scheme of the utility model. The swivel angle of the drag chain in this case can achieve 370 degrees of swivel, and other angle values ​​and orientations can also be set as needed. The driving device 8 and the swivel outer gear ring 22 used in this case can also be replaced by any other mechanism that can drive the swivel.

[0062] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A CT detection device, comprising a vertical plate (1) and a turntable (2), wherein the turntable (2) is rotatably connected to the vertical plate (1), and the turntable (2) can rotate forward or reverse relative to the vertical plate (1), characterized in that: The CT detection equipment also includes a drag chain rotating device, and the drag chain rotating device includes: The drag chain fixed upper outer ring (3) is arranged on the end surface of the vertical plate (1) facing the rotating disk (2); The drag chain fixed lower outer ring (4) is arranged on the end surface of the vertical plate (1) facing the rotating disk (2); The movable upper inner ring (5) of the drag chain is arranged on the end surface of the turntable (2) facing the vertical plate (1). The movable lower inner ring (6) of the drag chain is arranged on the end surface of the turntable (2) facing the vertical plate (1); the radii of the movable lower inner ring (6), the fixed lower outer ring (4), the movable upper inner ring (5) of the drag chain and the fixed upper outer ring (3) of the drag chain increase in sequence; a first state limit interval can be formed between the movable lower inner ring (6) of the drag chain and the fixed lower outer ring (4) of the drag chain, and a second state limit interval can be formed between the movable upper inner ring (5) of the drag chain and the fixed upper outer ring (3); An S-shaped drag chain (7), wherein the fixed end (72) of the S-shaped drag chain (7) is connected to the inner wall of the fixed upper outer ring (3) of the drag chain, and the movable end (71) of the S-shaped drag chain (7) can pass through the first state limit interval or the second state limit interval and be connected to the outer wall of the movable lower inner ring (6) of the drag chain.

2. The CT detection device according to claim 1, characterized in that: The CT detection device further comprises a driving device (8), wherein the driving device (8) is arranged on the vertical plate (1), and the driving device (8) is drivingly connected to the turntable (2) and is used to drive the turntable (2) to rotate forward or reverse.

3. The CT detection device according to claim 2, characterized in that: The driving device (8) is a servo motor.

4. The CT detection device according to claim 2, characterized in that: The turntable (2) is located on the front side of the vertical board (1), and the driving device (8) is located on the back side of the vertical board (1).

5. The CT detection device according to claim 1, characterized in that: The center angle corresponding to the upper outer ring (3) of the drag chain is 195 degrees, and the center angle between the first end point (31) of the upper outer ring of the drag chain and the horizontal reference line (9) is 40 degrees.

6. The CT detection device according to claim 5, characterized in that: The center angle corresponding to the fixed lower outer ring (4) of the drag chain is 150 degrees, and the center angle corresponding to the second end point (42) of the lower outer ring of the fixed lower outer ring (4) of the drag chain and the horizontal reference line (9) is 15 degrees.

7. The CT detection device according to claim 1, characterized in that: The center angle corresponding to the movable upper inner ring (5) of the drag chain is 135 degrees. When in the first state, the center angle corresponding to the first end point (51) of the upper inner ring of the movable upper inner ring (5) of the drag chain and the horizontal reference line (9) is 5 degrees.

8. The CT detection device according to claim 7, characterized in that: The center angle corresponding to the movable lower inner ring (6) of the drag chain is 230 degrees. When in the first state, the center angle corresponding to the first end point (61) of the lower inner ring of the drag chain and the horizontal reference line (9) is 0 degrees.

9. The CT detection device according to any one of claims 1 to 8, characterized in that: The CT detection equipment further comprises a base (10), the vertical plate (1) is vertically arranged on the base (10), and a plurality of universal wheels (11) are arranged at the bottom of the base (10).

10. The CT detection device according to claim 9, characterized in that: The universal wheel (11) is provided with a brake mechanism.

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