Ball passing mechanism of high temperature gas-cooled reactor

Abstract

The present invention discloses a material transfer device and a high-temperature gas-cooled reactor ball passing mechanism, wherein the material transfer device includes a core shaft and a shell sleeved on the outside of the core shaft and slidingly sealed with the core shaft. The core shaft is provided with a first conduction cavity, a second conduction cavity, a third conduction cavity and a fourth conduction cavity which are sequentially isolated and arranged along the sliding direction of the core shaft. The shell is provided with a first hole body component connected to the outside and a second hole body component which is isolated and arranged from the first hole body component, the first hole body component includes a first through hole, a second through hole and a third through hole, the second hole body component includes a fourth through hole, a fifth through hole and a sixth through hole, the first through hole, the second through hole and the third through hole are connected at the ends, and the fourth through hole, the fifth through hole and the sixth through hole are connected at the ends. The material transfer device provided by the present application has reduced cost.

Description

Technical Field

[0001] The present invention relates to the field of valve body technology, and in particular to a material transfer device. The present invention also relates to a high temperature gas-cooled reactor ball passing mechanism including the material transfer device. Background Art

[0002] The high temperature gas-cooled reactor adopts the non-stop stacking and refueling technology. The fuel elements are spherical. During the operation stage, the loading temporary storage device needs to continuously transport new fuel to the dual stacks, and the spent fuel needs to be discharged from the dual stacks to the unloading temporary storage device. Since the two loading temporary storage devices and the two unloading temporary storage devices are used alternately, the two new fuel elements need to be introduced into the same loading temporary storage device, and the two spent fuel elements need to be introduced into the same unloading temporary storage device.

[0003] At present, two distributors are respectively installed on the two pipelines above the loading temporary storage device or the unloading temporary storage device to split the flow, so as to realize the switching use of the two devices. Due to the large number of equipment and control points, the cost of the material transfer device is relatively high.

[0004] Therefore, how to reduce the cost of material transfer equipment is a technical problem that needs to be solved urgently by technical personnel in this field. Summary of the invention

[0005] The object of the present invention is to provide a material transfer device with reduced cost. Another object of the present invention is to provide a high temperature gas-cooled reactor ball passing mechanism including the material transfer device.

[0006] To achieve the above object, the present invention provides a material transfer device, comprising:

[0007] A core shaft, wherein the core shaft is provided with a first conduction cavity, a second conduction cavity, a third conduction cavity and a fourth conduction cavity which are sequentially isolated and arranged along a sliding direction of the core shaft;

[0008] A shell sleeved on the outside of the core shaft and slidingly sealed with the core shaft, the shell is provided with a first hole body component connected to the outside and a second hole body component isolated from the first hole body component, the first hole body component includes a first through hole, a second through hole and a third through hole, the second hole body component includes a fourth through hole, a fifth through hole and a sixth through hole, the first through hole, the second through hole and the third through hole are connected at their ends, and the fourth through hole, the fifth through hole and the sixth through hole are connected at their ends;

[0009] When the mandrel is located at the first working position, the first through hole is connected to the second through hole through the first conducting cavity, the fourth through hole is connected to the fifth through hole through the third conducting cavity, and the third through hole, the sixth through hole, the second conducting cavity and the fourth conducting cavity are closed;

[0010] When the mandrel is located at the second working position, the first through hole is connected to the third through hole through the second conducting cavity, the fourth through hole is connected to the sixth through hole through the fourth conducting cavity, and the second through hole, the fifth through hole, the first conducting cavity and the third conducting cavity are closed.

[0011] Preferably, it also includes a driving device for driving the core shaft to slide reciprocally.

[0012] Preferably, the driving device comprises a magnetic synchronizer and a power assembly for rotating the trapezoidal internal thread of the inner rotor of the magnetic synchronizer, the end of the core shaft is a trapezoidal lead screw, and the core shaft is threadedly connected to the magnetic synchronizer for linear sliding.

[0013] Preferably, it also includes a limit groove and a limit pin sliding along the limit groove, wherein one of the limit pin and the limit groove is arranged on the outer shell, and the other is arranged on the core shaft; when the limit pin abuts against the first end of the limit groove, the core shaft is located in the first working position; when the limit pin abuts against the second end of the limit groove, the core shaft is located in the second working position, and the first end and the second end are the opposite ends of the sliding stroke of the limit pin in the limit groove.

[0014] Preferably, the housing is provided with a blind hole for accommodating the core shaft.

[0015] Preferably, it also includes a first joint, a second joint, a third joint, a fourth joint, a fifth joint and a sixth joint; the first joint, the second joint, the third joint, the fourth joint, the fifth joint and the sixth joint are all arranged on the outer wall of the box body, the first joint is connected to the first through hole, the second joint is connected to the second through hole, the third joint is connected to the third through hole, the fourth joint is connected to the fourth through hole, the fifth joint is connected to the fifth through hole, and the sixth joint is connected to the sixth through hole.

[0016] Preferably, the first joint is coaxially arranged with the first through hole, the second joint is coaxially arranged with the second through hole, the third joint is coaxially arranged with the third through hole, the fourth joint is coaxially arranged with the fourth through hole, the fifth joint is coaxially arranged with the fifth through hole, and the sixth joint is coaxially arranged with the sixth through hole.

[0017] Preferably, the first hole body assembly and the second hole body assembly are arranged along the sliding direction of the core shaft, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole are cylindrical holes with the same diameter;

[0018] The axis of the first through hole, the axis of the second through hole, and the axis of the third through hole are coplanar and are arranged perpendicular to the core axis direction;

[0019] The axis of the fourth through hole, the axis of the fifth through hole, and the axis of the sixth through hole are coplanar and are arranged perpendicular to the core axis direction;

[0020] The axis of the first through hole is parallel to the axis of the fourth through hole, the axis of the second through hole is parallel to the axis of the fifth through hole, and the axis of the third through hole is parallel to the axis of the sixth through hole;

[0021] The included angle between the axis of the second through hole and the axis of the third through hole is 120-135°, and the axis of the first through hole is located on the bisector of the included angle between the axis of the second through hole and the axis of the third through hole;

[0022] The included angle between the axis of the fifth through hole and the axis of the sixth through hole is 120-135°, and the axis of the fourth through hole is located on the bisector of the included angle between the axis of the fifth through hole and the axis of the sixth through hole.

[0023] Preferably, the angle between the axis of the second through hole and the axis of the third through hole is equal to the angle between the axis of the fifth through hole and the axis of the sixth through hole.

[0024] A ball transfer mechanism for a high temperature gas-cooled reactor comprises any of the material transfer devices described above.

[0025] In the above technical scheme, the material transfer device provided by the present invention includes a core shaft and a shell sleeved on the outside of the core shaft and slidingly sealed with the core shaft. The core shaft is provided with a first conduction cavity, a second conduction cavity, a third conduction cavity and a fourth conduction cavity which are sequentially isolated and arranged along the sliding direction of the core shaft. The shell is provided with a first hole body component connected to the outside and a second hole body component isolated from the first hole body component. The first hole body component includes a first through hole, a second through hole and a third through hole. The second hole body component includes a fourth through hole, a fifth through hole and a sixth through hole. The ends of the first through hole, the second through hole and the third through hole are connected, and the ends of the fourth through hole, the fifth through hole and the sixth through hole are connected. When the core shaft is located in the first working position, the first through hole is connected to the second through hole through the first conduction cavity, the fourth through hole is connected to the fifth through hole through the third conduction cavity, and the third through hole, the sixth through hole, the second conduction cavity and the fourth conduction cavity are closed. When the mandrel is located at the second working position, the first through hole is connected to the third through hole through the second conducting cavity, the fourth through hole is connected to the sixth through hole through the fourth conducting cavity, and the second through hole, the fifth through hole, the first conducting cavity and the third conducting cavity are closed.

[0026] From the above description, it can be known that in the material transfer device provided in the present application, the second through hole and the fifth through hole can be connected to the same loading structure, and the third through hole and the sixth through hole can be connected to the same loading structure. The loading structure can be loaded by sliding the valve core. The structure is simple and has fewer control points. Therefore, the cost of the material transfer device provided in the present application is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0028] Figure 1 This is an appearance diagram of a material transfer device provided by an embodiment of the present invention;

[0029] Figure 2 A cross-sectional view of a material transfer device provided by an embodiment of the present invention;

[0030] Figure 3 A schematic structural diagram of a housing provided by an embodiment of the present invention.

[0031] in Figure 1-3 In: 1: power assembly; 2: magnetic synchronizer; 3: housing; 4: second joint; 5: fifth joint; 6: sixth joint; 7: fourth joint; 8: third joint; 9: first joint; 10: bolt; 11: second through hole; 12: fifth through hole; 13: sixth through hole; 14: fourth through hole; 15: third through hole; 16: first through hole; 17: core shaft; 18: first conduction cavity; 19: second conduction cavity; 20: third conduction cavity; 21: fourth conduction cavity; 22: limit groove; 23: limit pin. DETAILED DESCRIPTION

[0032] The core of the present invention is to provide a material transfer device, the cost of which is reduced. Another core of the present invention is to provide a high temperature gas-cooled reactor ball passing mechanism including the material transfer device.

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation modes.

[0034] Please refer to Figures 1 to 3 .

[0035] In a specific embodiment, the material transfer device provided in the specific embodiment of the present invention includes a core shaft 17 and a shell 3 which is sleeved on the outside of the core shaft 17 and is slidably sealed with the core shaft 17. Specifically, at least one of the shell 3 and the core shaft 17 is an integrally formed structure, and the shell 3 and the core shaft 17 can be metal parts.

[0036] The core shaft 17 is provided with a first conduction cavity 18 , a second conduction cavity 19 , a third conduction cavity 20 and a fourth conduction cavity 21 which are sequentially isolated and arranged along the sliding direction of the core shaft 17 .

[0037] Preferably, the first conduction cavity 18, the second conduction cavity 19, the third conduction cavity 20 and the fourth conduction cavity 21 are distributed in sequence with equal intervals along the sliding direction of the core shaft 17, and at least one of the first conduction cavity 18, the second conduction cavity 19, the third conduction cavity 20 and the fourth conduction cavity 21 is an arc-shaped hole or the bottom wall is an arc-shaped groove structure. For the convenience of processing, preferably, the first conduction cavity 18, the second conduction cavity 19, the third conduction cavity 20 and the fourth conduction cavity 21 are arc-shaped groove structures with the same structure.

[0038] The housing 3 is provided with a first hole body component connected to the outside and a second hole body component isolated from the first hole body component. The first hole body component includes a first through hole 16, a second through hole 11 and a third through hole 15, and the second hole body component includes a fourth through hole 14, a fifth through hole 12 and a sixth through hole 13. The ends of the first through hole 16, the second through hole 11 and the third through hole 15 are connected, and the ends of the fourth through hole 14, the fifth through hole 12 and the sixth through hole 13 are connected.

[0039] When the mandrel 17 is located at the first working position, the first through hole 16 is connected to the second through hole 11 through the first conduction cavity 18, the fourth through hole 14 is connected to the fifth through hole 12 through the third conduction cavity 20, and the third through hole 15, the sixth through hole 13, the second conduction cavity 19 and the fourth conduction cavity 21 are closed. At this time, the material fed through the first through hole 16 is discharged through the second through hole 11, and the material fed through the fourth through hole 14 is discharged through the fifth through hole 12.

[0040] When the mandrel 17 is located at the second working position, the first through hole 16 is connected to the third through hole 15 through the second through cavity 19, the fourth through hole 14 is connected to the sixth through hole 13 through the fourth through cavity 21, and the second through hole 11, the fifth through hole 12, the first through cavity 18 and the third through cavity 20 are closed. At this time, the material fed through the first through hole 16 is discharged through the third through hole 15, and the material fed through the fourth through hole 14 is discharged through the sixth through hole 13.

[0041] It can be known from the above description that in the material transfer device provided in the specific embodiment of the present application, the second through hole 11 and the fifth through hole 12 can be connected to the same loading structure, and the third through hole 15 and the sixth through hole 13 can be connected to the same loading structure. The loading structure can be loaded by sliding the valve core. When the ball flow is transported, two-way directional distribution of the ball flow is achieved. The overall structure is simple and has fewer control points. Therefore, the cost of the material transfer device provided by the present application is reduced.

[0042] In order to reduce the labor intensity of the staff, preferably, the material transfer device also includes a driving device for driving the core shaft 17 to slide back and forth. Specifically, the driving device can be a telescopic rod or a telescopic cylinder, and specifically, the telescopic end of the driving device is fixedly connected to the core shaft 17. The telescopic cylinder can be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0043] In another specific embodiment, the driving device includes a magnetic synchronizer 2 and a rotating power assembly 1 with a trapezoidal internal thread of the inner rotor of the magnetic synchronizer 2, the end of the mandrel 17 is a trapezoidal lead screw, and the mandrel 17 is threadedly connected with the magnetic synchronizer 2 for linear sliding. That is, the end of the mandrel 17 is a trapezoidal lead screw part and the trapezoidal internal thread of the inner rotor of the magnetic synchronizer 2 forms a trapezoidal thread transmission.

[0044] In order to improve the transmission accuracy, preferably, the material transfer device also includes a limit groove 22 and a limit pin 23 sliding along the limit groove 22, the limit pin 23 and the limit groove 22, one of which is arranged on the outer shell 3, and the other is arranged on the core shaft 17; when the limit pin 23 abuts against the first end of the limit groove 22, the core shaft 17 is located in the first working position; when the limit pin 23 abuts against the second end of the limit groove 22, the core shaft 17 is located in the second working position, and the first end and the second end are the opposite ends of the sliding stroke of the limit pin 23 in the limit groove 22.

[0045] The power component controls the rotation of the trapezoidal internal thread of the inner rotor of the magnetic synchronizer 2, so that the trapezoidal lead screw performs linear motion under the guidance of the limiting groove 22, forming two working positions.

[0046] Specifically, the shell of the magnetic synchronizer 2 is fixedly connected to the outer shell 3 . To facilitate assembly and disassembly, the shell of the magnetic synchronizer 2 is connected to the outer shell 3 via a threaded fastener. Specifically, the threaded fastener may be a bolt 10 .

[0047] The housing 3 is provided with a blind hole for accommodating the core shaft 17 .

[0048] In order to facilitate material connection, preferably, the material transfer device further includes a first joint 9, a second joint 4, a third joint 8, a fourth joint 7, a fifth joint 5 and a sixth joint 6; the first joint 9, the second joint 4, the third joint 8, the fourth joint 7, the fifth joint 5 and the sixth joint 6 are all arranged on the outer wall of the box. Preferably, at least one of the first joint 9, the second joint 4, the third joint 8, the fourth joint 7, the fifth joint 5 and the sixth joint 6 is welded to the outer wall of the box.

[0049] The first joint 9 is connected to the first through hole 16 , the second joint 4 is connected to the second through hole 11 , the third joint 8 is connected to the third through hole 15 , the fourth joint 7 is connected to the fourth through hole 14 , the fifth joint 5 is connected to the fifth through hole 12 , and the sixth joint 6 is connected to the sixth through hole 13 .

[0050] To facilitate material transportation, preferably, the first joint 9 is coaxially arranged with the first through hole 16, the second joint 4 is coaxially arranged with the second through hole 11, the third joint 8 is coaxially arranged with the third through hole 15, the fourth joint 7 is coaxially arranged with the fourth through hole 14, the fifth joint 5 is coaxially arranged with the fifth through hole 12, and the sixth joint 6 is coaxially arranged with the sixth through hole 13.

[0051] In a specific embodiment, the first hole body assembly and the second hole body assembly are arranged along the sliding direction of the core shaft 17, and the first through hole 16, the second through hole 11, the third through hole 15, the fourth through hole 14, the fifth through hole 12 and the sixth through hole 13 are cylindrical holes with the same diameter.

[0052] The axis of the first through hole 16 , the axis of the second through hole 11 , and the axis of the third through hole 15 are coplanar and are arranged perpendicular to the direction of the core axis 17 .

[0053] The axis of the fourth through hole 14 , the axis of the fifth through hole 12 , and the axis of the sixth through hole 13 are coplanar and are arranged perpendicular to the direction of the core axis 17 .

[0054] The axis of the first through hole 16 is parallel to the axis of the fourth through hole 14 , the axis of the second through hole 11 is parallel to the axis of the fifth through hole 12 , and the axis of the third through hole 15 is parallel to the axis of the sixth through hole 13 .

[0055] The included angle between the axis of the second through hole 11 and the axis of the third through hole 15 is 120-135°, and the axis of the first through hole 16 is located on the bisector of the included angle between the axis of the second through hole 11 and the axis of the third through hole 15 .

[0056] The axis of the fifth through hole 12 and the axis of the sixth through hole 13 are at an angle of 120-135°, and the axis of the fourth through hole 14 is located on the bisector of the angle between the axis of the fifth through hole 12 and the axis of the sixth through hole 13. The internal structure of the ball passing device is unobstructed, and the arrangement angle of the through holes inside the housing 3 of the present application is large, which can reduce jamming.

[0057] Specifically, the diameters of the first through hole 16, the second through hole 11, the third through hole 15, the fourth through hole 14, the fifth through hole 12, the sixth through hole 13, the first conduction cavity 18, the second conduction cavity 19, the third conduction cavity 20 and the fourth conduction cavity 21 are all between 62 mm and 65 mm.

[0058] The axial distance between the first through hole 16 and the fourth through hole 14 is greater than 130 mm. The axial distance between the second through hole 11 and the fifth through hole 12 is greater than 130 mm. The axial distance between the third through hole 15 and the sixth through hole 13 is greater than 130 mm.

[0059] The axial distance between the first conduction cavity 18 and the second conduction cavity 19 is greater than 65 mm. The axial distance between the second conduction cavity 19 and the third conduction cavity 20 is greater than 65 mm. The axial distance between the third conduction cavity 20 and the fourth conduction cavity 21 is greater than 65 mm.

[0060] The included angle between the axis of the second through hole 11 and the axis of the third through hole 15 is equal to the included angle between the axis of the fifth through hole 12 and the axis of the sixth through hole 13 .

[0061] The present application can realize ball flow distribution for two loading temporary storage devices or unloading temporary storage devices, reduce the use of valves, reduce control points, and save space.

[0062] The present application provides a high temperature gas-cooled reactor ball transfer mechanism including any of the above-mentioned material transfer devices. The above-mentioned specific structure of the material transfer device is described. The present application includes the above-mentioned material transfer device and also has the above-mentioned technical effects. The material transfer device can replace the upper pipelines and equipment for temporary storage of material loading and unloading of the high temperature gas-cooled reactor.

[0063] Since the high temperature gas cooled reactor uses non-stop fuel replacement technology, the fuel elements are spherical, and during the operation phase, new fuel needs to be continuously transported from the loading temporary storage device to the dual stacks, and spent fuel needs to be discharged from the dual stacks to the unloading temporary storage device. Since the two loading temporary storage devices and the two unloading temporary storage devices are used alternately, the two new fuel elements need to be introduced into the same loading temporary storage device, and the two spent fuel elements need to be introduced into the same unloading temporary storage device.

[0064] Specifically, during use, when the mandrel 17 is located at the first working position, the second through hole 11 and the fifth through hole 12 are simultaneously introduced into the same charging temporary storage device; when the mandrel 17 is located at the second working position, the third through hole 15 and the sixth through hole 13 are introduced into the same charging temporary storage device.

[0065] Alternatively, when in use, when the mandrel 17 is located at the first working position, the second through hole 11 and the fifth through hole 12 are simultaneously introduced into the same unloading temporary storage device; when the mandrel 17 is located at the second working position, the third through hole 15 and the sixth through hole 13 are introduced into the same unloading temporary storage device.

[0066] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0067] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high temperature gas-cooled reactor ball passing mechanism, characterized in that: The material transfer device comprises: A core shaft (17), wherein the core shaft (17) is provided with a first conduction cavity (18), a second conduction cavity (19), a third conduction cavity (20) and a fourth conduction cavity (21) which are sequentially isolated and arranged along a sliding direction of the core shaft (17); a housing (3) sleeved on the outside of the core shaft (17) and slidingly sealingly fitted with the core shaft (17); the housing (3) is provided with a first hole body component connected to the outside and a second hole body component isolated from the first hole body component; the first hole body component includes a first through hole (16), a second through hole (11) and a third through hole (15); the second hole body component includes a fourth through hole (14), a fifth through hole (12) and a sixth through hole (13); the first through hole (16), the second through hole (11) and the third through hole (15) are connected at their ends; and the fourth through hole (14), the fifth through hole (12) and the sixth through hole (13) are connected at their ends; When the mandrel (17) is located at the first working position, the first through hole (16) is connected to the second through hole (11) through the first conducting cavity (18), the fourth through hole (14) is connected to the fifth through hole (12) through the third conducting cavity (20), and the third through hole (15), the sixth through hole (13), the second conducting cavity (19) and the fourth conducting cavity are closed; When the core shaft (17) is located at the second working position, the first through hole (16) is connected to the third through hole (15) through the second conducting cavity (19), the fourth through hole (14) is connected to the sixth through hole (13) through the fourth conducting cavity (21), and the second through hole (11), the fifth through hole (12), the first conducting cavity (18) and the third conducting cavity (20) are closed.

2. The high temperature gas-cooled reactor ball passing mechanism according to claim 1, characterized in that: It also includes a driving device for driving the core shaft (17) to slide back and forth.

3. The high temperature gas-cooled reactor ball passing mechanism according to claim 2, characterized in that: The driving device comprises a magnetic synchronizer (2) and a rotating power assembly (1) having a trapezoidal internal thread on an inner rotor of the magnetic synchronizer (2); the end of the core shaft (17) is a trapezoidal lead screw; the core shaft (17) is threadedly connected to the magnetic synchronizer (2) for linear sliding.

4. The high temperature gas-cooled reactor ball passing mechanism according to claim 1, characterized in that: It also includes a limit groove (22) and a limit pin (23) sliding along the limit groove (22), wherein one of the limit pin (23) and the limit groove (22) is arranged on the housing (3), and the other is arranged on the core shaft (17); when the limit pin (23) abuts against the first end of the limit groove (22), the core shaft (17) is located in the first working position; when the limit pin (23) abuts against the second end of the limit groove (22), the core shaft (17) is located in the second working position, and the first end and the second end are the opposite ends of the sliding stroke of the limit pin (23) in the limit groove (22).

5. The high temperature gas-cooled reactor ball passing mechanism according to claim 1, characterized in that: The housing (3) is provided with a blind hole for accommodating the core shaft (17).

6. The high temperature gas-cooled reactor ball passing mechanism according to claim 1, characterized in that: The invention also comprises a first joint (9), a second joint (4), a third joint (8), a fourth joint (7), a fifth joint (5) and a sixth joint (6); the first joint (9), the second joint (4), the third joint (8), the fourth joint (7), the fifth joint (5) and the sixth joint (6) are all arranged on the outer wall of the shell (3); the first joint (9) is connected to the first through hole (16); the second joint (4) is connected to the second through hole (11); the third joint (8) is connected to the third through hole (15); the fourth joint (7) is connected to the fourth through hole (14); the fifth joint (5) is connected to the fifth through hole (12); and the sixth joint (6) is connected to the sixth through hole (13).

7. The high temperature gas-cooled reactor ball passing mechanism according to claim 6, characterized in that: The first joint (9) is coaxially arranged with the first through hole (16), the second joint (4) is coaxially arranged with the second through hole (11), the third joint (8) is coaxially arranged with the third through hole (15), the fourth joint (7) is coaxially arranged with the fourth through hole (14), the fifth joint (5) is coaxially arranged with the fifth through hole (12), and the sixth joint (6) is coaxially arranged with the sixth through hole (13).

8. The high temperature gas-cooled reactor ball passing mechanism according to any one of claims 1 to 7, characterized in that: The first hole body component and the second hole body component are arranged along the sliding direction of the core shaft (17); the first through hole (16), the second through hole (11), the third through hole (15), the fourth through hole (14), the fifth through hole (12) and the sixth through hole (13) are cylindrical holes with the same diameter; The axis of the first through hole (16), the axis of the second through hole (11), and the axis of the third through hole (15) are coplanar and are arranged perpendicular to the direction of the core axis (17); The axis of the fourth through hole (14), the axis of the fifth through hole (12), and the axis of the sixth through hole (13) are coplanar and are arranged perpendicular to the direction of the core axis (17); The axis of the first through hole (16) is parallel to the axis of the fourth through hole (14), the axis of the second through hole (11) is parallel to the axis of the fifth through hole (12), and the axis of the third through hole (15) is parallel to the axis of the sixth through hole (13); The included angle between the axis of the second through hole (11) and the axis of the third through hole (15) is 120-135°, and the axis of the first through hole (16) is located on the bisector of the included angle between the axis of the second through hole (11) and the axis of the third through hole (15); The included angle between the axis of the fifth through hole (12) and the axis of the sixth through hole (13) is 120-135°, and the axis of the fourth through hole (14) is located on the bisector of the included angle between the axis of the fifth through hole (12) and the axis of the sixth through hole (13).

9. The high temperature gas-cooled reactor ball passing mechanism according to claim 8, characterized in that: The included angle between the axis of the second through hole (11) and the axis of the third through hole (15) is equal to the included angle between the axis of the fifth through hole (12) and the axis of the sixth through hole (13).

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