CN112009542A

CN112009542A - Turning device

Info

Publication number: CN112009542A
Application number: CN202010893355.3A
Authority: CN
Inventors: 曹智; 矫海洋; 袁中伟; 何辉; 晏太红
Original assignee: China Institute of Atomic of Energy
Current assignee: China Institute of Atomic of Energy
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-01
Anticipated expiration: 2040-08-31
Also published as: CN112009542B

Abstract

The invention discloses a turnover device, comprising: the supporting structure is used for bearing an object to be overturned; the fixing structure is matched with the object to be overturned and has a fixing state for fixing the object to be overturned on the supporting structure and a fixing releasing state for separating the object to be overturned from the supporting structure; promote the structure, promote the first end of structure and rotationally connect on supporting structure and its pivot and treat the focus interval setting of upset thing, when fixed knot constructs and is in fixed state, mention the second end that promotes the structure to make supporting structure and treat the upset thing orientation treat the upset one side upset of the focus of upset thing, treat to overturn and switch over fixed knot structure to relieving fixed state after targetting in place. According to the technical scheme, the overturning device can realize the overturning of an object to be overturned with larger weight under the matching of the existing grabbing operation device (such as a mechanical arm) and the overturning device, and is simple in structure, convenient to process and convenient to operate.

Description

Turning device

Technical Field

The invention relates to the technical field of material transportation, in particular to a turnover device.

Background

In current material transportation process, carry through snatching operating means (for example manipulator) and put the operation to the material, also need carry out the upset of certain angle with the material under some circumstances. However, the maximum gripping force provided by the gripping operation devices has an upper limit value, and if the weight of the material exceeds the upper limit value, the material cannot be lifted and overturned directly through the gripping operation devices, so that difficulty is caused in material transfer.

Disclosure of Invention

In view of the above, the present invention has been made to provide a turning device that overcomes or at least partially solves the above problems.

The invention provides a turnover device, comprising: the supporting structure is used for bearing an object to be overturned; the fixing structure is matched with the object to be overturned and has a fixing state for fixing the object to be overturned on the supporting structure and a fixing releasing state for separating the object to be overturned from the supporting structure; promote the structure, promote the first end of structure and rotationally connect on supporting structure and its pivot and treat the focus interval setting of upset thing, when fixed knot constructs and is in fixed state, mention the second end that promotes the structure to make supporting structure and treat the upset thing orientation treat the upset one side upset of the focus of upset thing, treat to overturn and switch over fixed knot structure to relieving fixed state after targetting in place.

Further, treat that the upset thing is equipped with the handle, the handle includes handle and the handle supporting part of connection at handle both ends, handle and treat the upset physical separation, and fixed knot constructs and includes: a base fixedly disposed on the support structure; the handle is arranged in the handle limiting space in a penetrating mode, when the first limiting piece is located at the limiting position, the fixing structure is in a fixed state, and when the first limiting piece is located at the releasing position, the fixing structure is in a fixing releasing state; the first locking structure locks the first limiting part at the limiting position through the first locking structure.

Further, the first limiting member is rotatably connected to the base.

Further, the first limiting member includes: a first straight portion; the first bending part is connected with the first flat part, the rotating connection position of the first limiting part and the base is positioned on the first flat part or between the first flat part and the first bending part, and when the first limiting part is positioned at a limiting position, the first bending part and the base jointly enclose a handle limiting space.

Further, the base includes a second locating part, and the second locating part includes: a second straight portion; the second bending part is connected with the second flat part, the rotating connection position of the first limiting part and the base corresponds to the second flat part or between the second flat part and the second bending part, and when the first limiting part is located at a limiting position, the first bending part and the second bending part jointly enclose a handle limiting space.

Furthermore, the second limiting parts are two in interval arrangement, and the first limiting part is located between the two second limiting parts.

Further, the fixing structure further includes: the positioning piece is arranged on the base, and after the first limiting piece rotates to the limiting position, the positioning piece abuts against the end part, far away from the first straight part, of the first bending part.

Further, one of the first retaining member and the support structure has a first locking engagement hole therein, and the first locking structure includes: the first base body is fixedly arranged on the other one of the first limiting piece and the supporting structure and is provided with a first channel which is arranged in a penetrating way; the first telescopic piece is telescopically arranged in the first channel in a penetrating mode and provided with a first locking position inserted into the first locking fit hole to lock the first limiting piece and a first unlocking position separated from the first locking fit hole to unlock the first limiting piece.

Further, the first locking structure further includes: the first stopping part comprises two first gears which are arranged at intervals along the extending direction of the first channel; the first stop matching part is arranged on the first telescopic piece and selectively matched with one of the two first gears; the first elastic piece is matched with the first telescopic piece to apply elastic force to the first telescopic piece, and the direction of the elastic force is opposite to the direction of the acting force applied to the first stop matching part by the first gear, so that the first telescopic piece can stay at the first locking position and the first unlocking position.

Further, two first fender position stagger each other on the extending direction of first passageway, and first backstop cooperation portion sets up on the circumference lateral wall of first extensible member, and first locking structure still includes: the first driving piece is used for driving the first telescopic piece to rotate by taking the central line of the first telescopic piece as an axis, and the first stop matching part can move between the two first gears along with the rotation of the first telescopic piece.

Further, the first blocking portion further includes a first guide surface, and the two first gears are located on the first guide surface.

Further, the first blocking portion is located on the first base.

Further, the first driving piece is a first driving rotating handle, and the first driving rotating handle is provided with a first manipulator matching part.

Furthermore, the second end of the lifting structure is provided with a lifting matching part, and the lifting matching part is grabbed by lifting equipment to lift the second end of the lifting structure.

Further, the lifting structure has at least one fixed position fixed with respect to the supporting structure, and the overturning device further comprises: and the second locking structure is used for locking the lifting structure at the fixed position.

Further, the fixed position includes a position where the lifting structure is perpendicular to the support structure, or a position where the lifting structure is parallel to the support structure.

Further, one of the lifting structure and the support structure has at least one second locking engagement hole thereon, the second locking engagement hole corresponding to the securing position, the second locking structure comprising: a second base fixedly disposed on the other of the lifting structure and the support structure, the second base having a second channel disposed therethrough; the second extensible member is telescopically arranged in the second channel in a penetrating mode, and the second extensible member is provided with a second locking position inserted into the second locking matching hole to lock the lifting structure and a second unlocking position separated from the second locking matching hole to unlock the lifting structure.

Further, the second locking structure further comprises: the second stopping part comprises two second gears which are arranged at intervals along the extending direction of the second channel; the second stop matching part is arranged on the second telescopic piece and selectively matched with one of the two second gears; and the second elastic piece is matched with the second telescopic piece to apply elastic force to the second telescopic piece, and the direction of the elastic force is opposite to the direction of the acting force applied to the second stop matching part by the second gear, so that the second telescopic piece can stay at a second locking position and a second unlocking position.

Further, two second backstops stagger each other on the extending direction of second passageway, and second backstop cooperation portion sets up on the circumference lateral wall of second extensible member, and second locking structure still includes: and the second driving piece is used for driving the second telescopic piece to rotate by taking the central line of the second telescopic piece as an axis, and the second stop matching part can move between two second stops along with the rotation of the second telescopic piece.

Further, the second stopping portion further includes a second guide surface, and the two second stops are located on the second guide surface.

Further, the second blocking portion is located on the second base.

Further, the second driving piece is a second driving rotating handle, and the second driving rotating handle is provided with a second manipulator matching part.

Further, the support structure comprises a support body and a leg arranged below the support body, the height of the leg being adjustable.

By applying the technical scheme of the invention, the object to be overturned is firstly pulled to the supporting structure by utilizing the existing grabbing operation device (such as a mechanical arm), in the process, the grabbing operation device mainly needs to overcome the friction force between the object to be overturned and a part contacted with the bottom of the object to be overturned, the friction force is much smaller than the self weight of the object to be overturned, and only the numerical value of the friction force needs to be ensured to be within the allowable grabbing force range of the grabbing operation device.

Thereafter, the object to be overturned is fixed on the supporting structure by the fixing structure. At this point, the second end of the lifting structure is lifted to flip the support structure and the object to be flipped toward one side of the center of gravity of the object to be flipped. And after the object to be overturned is overturned in place, the fixing structure is switched to the state of releasing the fixing structure, so that the object to be overturned can be separated from the supporting structure, and the overturning operation of the object to be overturned is completed. If the object to be turned needs to be turned in the opposite direction, the specific process is the opposite process, and is not described herein again.

Under the cooperation of the existing grabbing operation device (such as a manipulator) and the turnover device, the turnover of an object to be turned over with larger weight can be realized, and the turnover device is simple in structure, convenient to process and convenient to operate.

Drawings

Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.

FIG. 1 is a cross-sectional view of a flipping mechanism according to one embodiment of the present invention;

FIG. 2 is a cross-sectional view of the flipping mechanism of FIG. 1 in another position;

FIG. 3 is a cross-sectional view of a first locking structure of the flipping mechanism of FIG. 1; and

fig. 4 is a cross-sectional view of a second locking structure of the turning device of fig. 1.

It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.

Description of reference numerals:

10. a support structure; 11. a second locking engagement hole; 12. a support body; 13. a support leg; 21. a first limit piece; 211. a first straight portion; 212. a first bent portion; 213. a first locking mating hole; 22. a handle limit space; 23. a first locking structure; 231. a first substrate; 2311. a first channel; 232. a first telescoping member; 233. a first stopper portion; 2331. a first gear; 2332. a first guide surface; 234. a first stopper fitting portion; 235. a first elastic member; 236. a first driving member; 24. a second limiting member; 241. a second straight portion; 242. a second bent portion; 25. a positioning member; 30. a lifting structure; 40. a lifting matching part; 50. a second locking structure; 51. a second substrate; 511. a second channel; 52. a second telescoping member; 53. a second stopper portion; 531. a second gear; 532. a second guide surface; 54. a second stop cooperating portion; 55. a second elastic member; 56. a second driving member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention. It should be apparent that the described embodiment is one embodiment of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. If the description "first", "second", etc. is referred to throughout, the description of "first", "second", etc. is used only for distinguishing similar objects, and is not to be construed as indicating or implying a relative importance, order or number of technical features indicated, it being understood that the data described in "first", "second", etc. may be interchanged where appropriate. If "and/or" is presented throughout, it is meant to include three juxtapositions, exemplified by "A and/or B" and including either scheme A, or scheme B, or schemes in which both A and B are satisfied. Furthermore, spatially relative terms, such as "above," "below," "top," "bottom," and the like, may be used herein for ease of description to describe one element or feature's spatial relationship to another element or feature as illustrated in the figures, and should be understood to encompass different orientations in use or operation in addition to the orientation depicted in the figures.

The turning device of this embodiment is applied to radioactive material and transports. Specifically, radioactive materials are generally transported by using a highly airtight double-cap airtight transport device (abbreviated as padlac). When the double-cover sealed transfer device is used for transferring materials, a transition container is arranged in a matched transfer container (such as a DPTE270 container), and the materials are placed in the transition container.

After the double-cover sealing transfer device is in butt joint with the hot chamber, the hot chamber shielding door is connected with the cover body of the transfer container, and the transfer container is in a horizontal state at the moment because the hot chamber shielding door is positioned on the side, so that the transition container in the transfer container is also in a horizontal state. When the heat chamber shielding door is opened, the cover body of the transfer container is opened together. And then taking out the transition container containing the materials into the hot chamber through a manipulator. For the convenience of subsequent operation, the transition container is in a vertical state after entering the hot chamber, so that the transition container needs to be turned from a horizontal state to a vertical state in the discharging process. Likewise, the transition container also needs to be turned from the vertical state to the horizontal state during the charging of the hot cell to the transfer container. In this embodiment, the object to be overturned includes material and transition container, and when the gross weight of material and transition container exceeded the maximum grabbing power of manipulator, can't directly lift the object to be overturned through the manipulator and carry out the operation of unloading or loading, need just can realize with the help of turning device.

Fig. 1 shows a cross-sectional view of the turn-over apparatus of the present embodiment, the cross-section of which passes through the top of the lifting structure 30 and the bottom of the support body 12. Fig. 2 is a cross-sectional view of the turning device of fig. 1 taken at another location, the cross-sectional view being through the first locking structure 23, the first retaining member 21, the second locking structure 50, the support body 12, and the leg 13. Fig. 3 is a cross-sectional view of a first locking structure of the flipping mechanism of fig. 1. Fig. 4 is a cross-sectional view of a second locking structure of the turning device of fig. 1.

As shown in fig. 1 and 2, the turnover device of the present embodiment includes a support structure 10, a fixing structure, and a lifting structure 30. Wherein the support structure 10 is used to carry the object to be overturned. The fixing structure is matched with the object to be overturned. The fixing structure has a fixed state of fixing the object to be overturned on the supporting structure 10 and a released state of enabling the object to be overturned to be separated from the supporting structure 10. The lifting structure 30 is rotatably connected at a first end to the support structure 10 and has a rotation axis spaced from the center of gravity of the object to be overturned. Wherein, the object to be overturned is a transition container which is provided with radioactive materials. In order to prevent the turnover device from being corroded by acid gas in the hot chamber, the turnover device is made of stainless steel 316L.

The transition vessel is horizontal in the transfer vessel. When the unloading operation is carried out, the transition container is firstly pulled to the supporting structure 10 from the transfer container by the manipulator, and in the process, the manipulator mainly needs to overcome the friction force between the components in contact with the bottom of the transition container, the friction force is much smaller than the self weight of the transition container, and the manipulator only needs to ensure that the value of the friction force is within the allowable gripping force range of the manipulator. Thereafter, the object to be overturned is fixed to the support structure 10 by the fixing structure.

At this point, the second end of the lifting structure 30 is lifted by the crane to flip the support structure 10 and the transition vessel toward one side of the center of gravity of the transition vessel. After the transition container is turned to be in a vertical state, the fixing structure is switched to a fixing releasing state, so that the transition container can be separated from the supporting structure 10, the turning operation of the object to be turned is completed, the turning device is lifted by the crane to separate the turning device from the transition container, and the subsequent operation of the transition container is facilitated.

When the charging operation is performed, the transition container needs to be turned from the vertical state to the horizontal state, and the specific process is the reverse process, which is not described herein again.

Under the cooperation of current manipulator and above-mentioned turning device, can realize the upset of the transition container of placing radioactive material of great weight to accomplish the work of transferring and returning the sealed transfer device of two covers of transition container, and simple structure, the processing of being convenient for, low in manufacturing cost, processing cycle is short, and economic nature is good, convenient operation.

It should be noted that "the first end of the lifting structure 30 is rotatably connected to the supporting structure 10" means that the lifting structure 30 can rotate relative to the supporting structure 10, and when necessary, the lifting structure 30 and the supporting structure 10 can be relatively fixed at a certain position or a certain time.

When lifting the second end of the lifting structure 30, the lifting structure 30 may have the following two states with respect to the support structure 10:

first, the lifting structure 30 and the support structure 10 are relatively fixed at this time, and the crane can lift the second end of the lifting structure 30 in a direction inclined toward the center of gravity of the transition vessel, thereby turning the support structure 10 and the transition vessel toward one side of the center of gravity of the transition vessel;

secondly, relative rotation occurs between the lifting structure 30 and the supporting structure 10 at this time, the crane lifts the second end of the lifting structure 30, the lifting structure 30 is gradually lifted to be in a vertical state, and under the effect of the gravity of the transition container, the supporting structure 10 and the transition container are overturned towards one side of the gravity center of the transition container relative to the lifting structure 30.

In this embodiment, the lifting structure 30 is rotated relative to the support structure 10 when the second end of the lifting structure 30 is lifted, i.e. turned over according to the second procedure described above.

The application scene of the turnover device and the type of the object to be turned are not limited to the above, in other embodiments, the turnover device can be applied to other scenes where the manipulator and other grabbing operation devices need to be matched to turn over the material, and the object to be turned can also be other materials which need to be turned over and can be fixed by a fixed structure or other containers filled with the materials. In addition, the object to be turned is not limited to be turned between the horizontal state and the vertical state, and in other embodiments, the angle to be turned, the position after being turned in place and the like can be selected according to needs.

In the turning device of this embodiment, the thing (transition container) of waiting to overturn is equipped with the handle, and the handle includes handle and the handle supporting part of connection at handle both ends, and the handle is propped up to handle supporting part to make handle and wait to overturn between the thing looks interval. As shown in fig. 1 and 2, the fixing structure includes a base, a first limiting member 21, and a first locking structure 23. Wherein the base is fixedly arranged on the support structure 10. The first limiting member 21 is matched with the base. The first limiting member 21 has a limiting position which encloses a handle limiting space 22 together with the base and a releasing position which opens the handle limiting space 22. The first limiting member 21 is locked at the limiting position by the first locking structure 23.

When the discharge operation is performed, the transition container is pulled by the robot from the transfer container onto the support structure 10 and the handle of the transition container is pulled into a range corresponding to the handle-limiting space 22. Thereafter, the first limiting member 21 is adjusted to the limiting position (the position shown in fig. 1 and 2), and is locked at the limiting position by the first locking structure 23. The first limiting member 21 and the base together form a handle limiting space 22, a handle or a handle supporting portion of the handle is inserted into the handle limiting space 22 and limited in the handle limiting space 22, and the transition container and the supporting structure 10 are relatively fixed. At this time, the fixing structure may be considered to be in a fixed state. When the transition container is turned to be in a vertical state, the first limiting member 21 is adjusted to a release position, the handle limiting space 22 is opened, and the handle can be moved out of the handle limiting space 22, so that the transition container can be separated from the supporting structure 10. At this time, the fixing structure may be considered to be in the released state.

The specific form of the fixing structure is not limited to this, and in other embodiments, the fixing structure may be another structure that can have the above-described fixed state and the above-described released state. In addition, in this embodiment, the fixing structure realizes the fixing or the fixing release of the object to be overturned by limiting or releasing the handle of the object to be overturned, and the object to be overturned can be any container with the handle. Of course, in other embodiments, the fixing structure may be engaged with other portions of the object to be overturned.

As shown in fig. 1 and 2, in the present embodiment, the first limiting member 21 is rotatably connected to the base. By rotating the first limiting part 21, the first limiting part 21 is switched between the limiting position and the releasing position, and the operation is more convenient. Of course, the connection relationship between the first limiting member 21 and the base is not limited to this, and in other embodiments, the first limiting member may be engaged with the base in a relative sliding manner, or even the first limiting member may be movably and detachably connected to the base.

As shown in fig. 1 and fig. 2, in the flipping apparatus of the present embodiment, the first limiting member 21 includes a first straight portion 211 and a first bent portion 212. The first bending portion 212 is connected to the first flat portion 211. The first bending portion 212 is curved. The rotation connection point of the first limiting member 21 and the base is located between the first straight portion 211 and the first bending portion 212. The rotation of the first limiting member 21 is controlled by the manipulator operating the first straight portion 211 of the first limiting member 21. When the first limiting member 21 rotates to the limiting position, the first bending portion 212 and the base together form a handle limiting space 22. The first bent portion 212 facilitates formation of the handle stopper space 22. Of course, in other embodiments, the rotation connection point of the first limiting member and the base may also be located on the first flat portion.

As shown in fig. 1 and fig. 2, in the present embodiment, the base includes a second limiting member 24. The second limiting member 24 includes a second straight portion 241 and a second bent portion 242. The second bending part 242 is connected to the second straight part 241. The second bending portion 242 is curved. The rotation connection point of the first limiting member 21 and the base corresponds to the position between the second straight portion 241 and the second bending portion 242. When the first position-limiting member 21 is located at the position-limiting position, the first bending portion 212 and the second bending portion 242 together enclose a handle-limiting space 22. Since the first bent part 212 and the second bent part 242 are both bent and bent in opposite directions, the handle limiting space 22 can be formed between the two parts more conveniently. Of course, in other embodiments, the rotation connection point of the first limiting member 21 and the base may also be located on the second straight portion.

As shown in fig. 2, in the turning device of the present embodiment, two second limiting members 24 are disposed at an interval, and the first limiting member 21 is located between the two second limiting members 24, that is, a space between the two second limiting members 24 is a movable space when the first limiting member 21 rotates, which is more convenient for the arrangement of the first limiting member 21. In addition, the rotating shaft of the first limiting member 21 is simultaneously connected to the two second limiting members 24, so that the rotating shaft of the first limiting member 21 can be more stable. Of course, in other embodiments, one first limiting member may be provided.

In this embodiment, the fixing structure further includes a positioning element 25, and the positioning element 25 is located between the two second limiting elements 24 and connected to the free ends of the second bending portions 242 of the two second limiting elements 24. After the first limiting member 21 rotates to the limiting position, the positioning member 25 abuts against the end of the first bending portion 212 far away from the first flat portion 211, so as to position the first limiting member 21, and when the manipulator operates the first limiting member 21 to rotate, the manipulator can more easily know when the first limiting member 21 reaches the limiting position. Of course, the installation position of the positioning member 25 is not limited to this, and in another embodiment not shown in the drawings, the positioning member may be installed at another position of the base as long as it can be positioned in cooperation with the first stopper at the stopper position thereof.

It should be noted that the specific structure of the first limiting member 21 and the base is not limited to this, and in other embodiments, the first limiting member and the base may be another structure capable of forming a handle limiting space. For example, the base is provided with a through groove, the space in the through groove forms a handle limiting space, the first limiting part is a cover plate detachably connected to the base, and the cover plate is covered and fixedly connected after a handle of an object to be turned is placed in the through groove.

As shown in fig. 1 to fig. 3, in the flipping apparatus of the present embodiment, the first straight portion 211 of the first limiting member 21 has a first locking matching hole 213. The first locking structure 23 includes a first base 231 and a first telescopic member 232. The first base 231 is fixedly connected to a second limiting member 24, and is thereby fixedly disposed with the supporting structure 10. The first substrate 231 has a first passage 2311 provided therethrough. The first expansion element 232 is telescopically disposed within the first passage 2311. The first telescopic member 232 has a first locking position inserted into the first locking matching hole 213 to lock the first limiting member 21 and a first unlocking position separated from the first locking matching hole 213 to unlock the first limiting member 21.

After the first limiting member 21 rotates to the limiting position, the first extensible member 232 is moved to the first locking position, the first extensible member 232 is inserted into the first locking matching hole 213, and the first limiting member 21 cannot rotate any more. When the first limiting member 21 needs to be switched to the release position, the first telescopic member 232 is moved to the first unlocking position, the first telescopic member 232 is separated from the first locking matching hole 213, and the first limiting member 21 is no longer limited by the first locking structure 23. The locking and unlocking modes of the first locking structure 23 are simple and easy to operate.

It should be noted that the positions of the first locking fit hole 213 and the first base 231 are not limited to this, and in other embodiments, the first locking fit hole may be located at other positions of the first limiting member; or the first locking fit hole is arranged on the supporting structure, and the first base body is fixedly arranged on the first limiting piece.

As shown in fig. 3, in the turnover device of the present embodiment, the first locking structure 23 further includes a first blocking portion 233, a first blocking matching portion 234 and a first elastic member 235. The first blocking portion 233 includes two first gears 2331. Two first shift stages 2331 are spaced apart in the extending direction of the first passage 2311. The first stopper fitting portion 234 is provided on the first telescopic member 232. The first stop engagement portion 234 selectively engages one of the two first gears 2331. The first elastic member 235 is engaged with the first telescopic member 232 to apply an elastic force to the first telescopic member 232 in a direction opposite to a direction of the force applied to the first stopper engagement portion 234 by the first shift lever 2331. In this embodiment, the first elastic element 235 is a first spring sleeved on the first expansion element 232, two ends of the first spring are respectively matched with the inner wall of the first passage 2311 and the first expansion element 232, and the first spring is always in a compression state and applies pressure to the first expansion element 232. Of course, the arrangement and the biasing state of the first elastic member 235 are not limited to this, and in other embodiments, the first elastic member may be another type of elastic member, or may always apply a tensile force to the first extensible member.

When the first stop engagement portion 234 engages a first gear 2331, the elastic force of the first elastic member 235 on the first telescopic member 232 is equal to and opposite to the force of the first gear 2331 on the first stop engagement portion 234 on the first telescopic member 232, so that the first telescopic member 232 can stay in this position. Therefore, by designing the positions of the two first shift positions 2331 and the first stop matching part 234, when the first stop matching part 234 is matched with the two first shift positions 2331, the first telescopic part 232 can be respectively stopped at the first locking position and the first unlocking position.

In the present embodiment, the two first gears 2331 are offset from each other in the direction of extension of the first channel 2311, i.e. the line between the two first gears 2331 is not parallel to the centre line of the first channel 2311. The first stopper fitting portion 234 is provided on a circumferential side wall of the first telescopic member 232. The first locking structure 23 further comprises a first driving member 236, and the first driving member 236 is used for driving the first telescopic member 232 to rotate around the center line thereof. With the rotation of the first telescopic member 232, the first stop mating portion 234 can move between two first gears 2331. The above-described configuration allows for the telescopic movement of the first telescopic member 232 to be driven by rotating the first driving member 236 in a manner that is more convenient to operate. The first driving member 236 is a first driving stem, and the first driving stem has a first manipulator engaging portion, and the first driving stem is operated to rotate by the manipulator grasping the first manipulator engaging portion. When the first driving handle is in the vertical position as shown in fig. 1 to 3, the first stopper fitting part 234 is fitted with a first shift 2331 (a first shift 2331 close to the first locking fitting hole 213) corresponding to the first locking position of the first telescopic member 232, and when the first driving handle is rotated 90 degrees and then is in the horizontal position, the first stopper fitting part 234 is fitted with a first shift 2331 (a first shift 2331 far from the first locking fitting hole 213) corresponding to the first unlocking position of the first telescopic member 232.

Of course, in other embodiments, two first gears may also be provided along the extension direction of the first passage, in which case the line between the two first gears is parallel to the center line of the first passage. In this case, the first telescopic member is controlled to slide along the first channel. In addition, the relationship between the position of the first driving lever, the first locking position, and the first unlocking position is not limited to this, and in another embodiment, the first extensible member may be in the first locking position when the first driving lever is in the horizontal position, and the first extensible member may be in the first unlocking position when the first driving lever is in the vertical position.

In addition, the first blocking portion 233 further includes a first guide surface 2332. Two first gears 2331 are located on first guide surface 2332. The first stopper fitting part 234 can slide along the first guide surface 2332 when moving between the two first shift positions 2331, thereby making the operation smoother. Of course, in other embodiments, the first guide surface may not be provided.

In this embodiment, the first stop mating portion 234 is a first cylinder disposed on a circumferential sidewall of the first telescopic member 232. The first stopper 233 is located on the first base 231, and specifically, an end of the first base 231 remote from the first locking fitting hole 213 is provided with a first groove structure which communicates with both the first passage 2311 and the outside of the first base 231. One side of the groove wall of the first groove structure is parallel to the center line of the first channel 2311, the other side is in an inclined arc shape, the inclined arc-shaped part of the groove wall forms a first guide surface 2332, two ends of the first guide surface are respectively provided with two clamping positions (a clamping groove or a clamping table top and the like) which can be stably matched with the first column body, and the two clamping positions form two first gears 2331.

After the manipulator pulls the handle of the transition container to the range corresponding to the handle limiting space 22, the manipulator rotates the first limiting member 21 to the limiting position (the horizontal position shown in fig. 1), so that the first bending portion 212 of the first limiting member 21 and the second bending portion 242 of the second limiting member 24 together enclose the handle limiting space 22, and the handle of the transition container is limited in the handle limiting space 22. Thereafter, the first driving handle is operated by the mechanical hand grasping the first mechanical hand engaging portion (the recessed portion on the first driving handle), so that the first driving handle rotates from the horizontal position to the vertical position, at this time, the first stopping engaging portion 234 engages with the first stopping portion 2331 close to the first locking engaging hole 213, the first telescopic member 232 extends to the first locking position, under the combined action of the first elastic member 235, the first telescopic member 232 stays at the first locking position, and the extending portion of the first telescopic member 232 is inserted into the first locking engaging hole 213 of the first limiting member 21, so as to block the first limiting member 21, thereby locking the first limiting member 21. The process of unlocking the first locking structure 23 and the process of opening the first limiting member 21 are opposite to the above processes, and are not described herein again.

It should be noted that the specific structure of the first locking structure 23 is not limited to this, and in other embodiments not shown in the drawings, the first locking structure may be another structure that can be switched between a locked state and an unlocked state. For example, the first telescopic part is telescopically arranged in the first channel in a penetrating way, the peripheral wall of the first telescopic part is completely attached to the inner wall of the first channel, a certain friction force is formed between the first telescopic part and the inner wall of the first channel, and when the first telescopic part is pushed to a certain position, the first telescopic part can stay at the position by means of the friction force; or, two first fender position are two draw-in grooves of setting on the inner wall of first passageway, and first backstop cooperation portion just can take place elastic deformation's dop for setting up on the lateral wall of first extensible member, and its position designs according to the first locking position and the first unblock position of first extensible member, and the dop warp the back card and goes into in the draw-in groove to make first extensible member stop in this position.

As shown in fig. 1 and 2, in the turnover device of the present embodiment, the second end of the lifting structure 30 is provided with a lifting engagement portion 40. The lifting engagement 40 is grasped by the lifting apparatus to lift the second end of the lifting structure 30. Specifically, the lifting engagement portion 40 is shaped like a mushroom head and is adapted to a hanger of a lifting device (e.g., a hot chamber crane). The lifting matching part 40 is provided with a concave part, when the lifting appliance is contacted with the lifting matching part 40, the lifting appliance is operated to enable the internal mechanism to rotate to form three hooks to be grabbed at the concave part, and at the moment, the lifting appliance is locked with the lifting matching part 40. Thereafter, the overall position of the turnover device can be adjusted by the lifting equipment and the lifting structure 30 can be controlled to turn over the turnover device. When the lifting equipment is required to release the turnover device, the lifting appliance is operated again to enable the internal mechanism to rotate and retract the three hooks, and the lifting matching part 40 is separated from the lifting appliance.

In the turning device of the present embodiment, the lifting structure 30 has at least one fixed position fixed relative to the support structure 10. The turnover device further comprises a second locking structure 50, by means of which second locking structure 50 the lifting structure 30 is locked in a fixed position. Because the whole position of the turnover device is adjusted by the lifting matching part 40 on the lifting structure 30 grabbed by the lifting equipment, in the whole moving process of the turnover device, the lifting structure 30 and the supporting structure 10 need to be ensured to be relatively fixed, so that the whole shape of the turnover device is more stable and the turnover device is convenient to move. Furthermore, securing the lifting structure 30 in a position relative to the support structure 10 during pulling of the interim container onto the support structure 10 or removal from the support structure 10 may also prevent the lifting structure 30 from obstructing the interim container.

In the present embodiment, the fixed positions are two, respectively, a position where the lifting structure 30 is perpendicular to the support structure 10 (as shown in fig. 1 and 2) and a position where the lifting structure 30 is parallel to the support structure 10. When the turning device is moved integrally by the hoisting equipment, the lifting structure 30 is fixed at a position perpendicular to the supporting structure 10, so that the turning device is convenient to stabilize in overall shape and move more conveniently. After the transition container is turned over in place and the fixing structure is in the unfixed state, the lifting structure 30 can be fixed in a position parallel to the support structure 10, and the turning device is slowly lifted by the lifting equipment in cooperation with the lifting structure 30, so that the turning device is separated from the transition container. Of course, the fixing position is not limited thereto, and in other embodiments the fixing position may only comprise a position where the lifting structure is perpendicular to the support structure.

As shown in fig. 1, 2 and 4, in the turnover device of the present embodiment, the support structure 10 has two second locking engagement holes 11, and the two second locking engagement holes 11 correspond to two fixing positions. The second locking structure 50 includes a second base 51 and a second telescopic member 52. The second base body 51 is fixedly disposed on the lifting structure 30, and the second base body 51 has a second passage 511 disposed therethrough. The second expansion element 52 is telescopically disposed in the second passage 511. The second telescopic member 52 has a second locking position inserted into the second locking engagement hole 11 to lock the lifting structure 30 and a second unlocking position separated from the second locking engagement hole 11 to unlock the lifting structure 30.

After the lifting structure 30 rotates to a fixed position, the second telescopic member 52 is moved to the second locking position, the second telescopic member 52 is inserted into the corresponding second locking hole 11, and the lifting structure 30 cannot rotate any more. When the lifting structure 30 needs to start rotating, the second telescopic member 52 is moved to the second unlocking position, the second telescopic member 52 is separated from the second locking matching hole 11, and the lifting structure 30 is not limited by the second locking structure 50. The locking and unlocking manner of the second locking structure 50 is simple and easy to operate.

It should be noted that the arrangement positions of the second locking engagement hole 11 and the second base 51 are not limited to this, and in other embodiments, the second locking engagement hole may be located on the lifting structure, and the second base is fixedly arranged on the supporting structure.

As shown in fig. 4, in the turnover device of the present embodiment, the second locking structure 50 further includes a second blocking portion 53, a second blocking cooperating portion 54 and a second elastic member 55. The second blocking portion 53 includes two second blocking positions 531. The two second gears 531 are provided at intervals in the extending direction of the second passage 511. A second stop engagement portion 54 is provided on the second telescoping member 52. The second stopper fitting portion 54 selectively fits with one of the two second stoppers 531. The second elastic member 55 cooperates with the second extensible member 52 to apply an elastic force to the second extensible member 52 in a direction opposite to a direction in which the second stopper 531 applies an urging force to the second stopper cooperating portion 54. In this embodiment, the second elastic member 55 is a second spring sleeved on the second telescopic member 52, two ends of the second spring are respectively matched with the inner wall of the second passage 511 and the second telescopic member 52, and the second spring is always in a compressed state and applies pressure to the second telescopic member 52. Of course, the arrangement and the biasing state of the second elastic member 55 are not limited to this, and in other embodiments, the second elastic member may be another type of elastic member, or may always apply a tensile force to the second extensible member.

When the second stop engaging portion 54 engages with a second stop 531, the elastic force exerted by the second elastic member 55 on the second telescopic member 52 is equal to and opposite to the force exerted by the second stop 531 on the second stop engaging portion 54 of the second telescopic member 52, so that the second telescopic member 52 can stay at this position. Therefore, by designing the positions of the two second gear positions 531 and the second stop matching portions 54, when the second stop matching portions 54 are matched with the two second gear positions 531, the second telescopic member 52 can stay at the second locking position and the second unlocking position respectively.

In the present embodiment, the two second gears 531 are offset from each other in the extending direction of the second passage 511, that is, a connecting line between the two second gears 531 is not parallel to the center line of the second passage 511. A second stop mating portion 54 is provided on a circumferential side wall of the second telescoping member 52. The second locking structure 50 further includes a second driving member 56, and the second driving member 56 is used for driving the second telescopic member 52 to rotate around the central line thereof. With the rotation of the second telescopic member 52, the second stopper fitting portion 54 can move between the two second stoppers 531. The above arrangement provides for more convenient operation by rotating the second drive member 56 to drive the telescoping movement of the second telescoping member 52. The second driving member 56 is a second driving stem having a second manipulator engaging portion, and the second manipulator engaging portion is grasped by the manipulator to operate the rotation of the second driving stem. When the second driving handle is in the vertical position as shown in fig. 2 and 4, the second stopping engagement portion 54 engages with the second stopping 531 corresponding to the second locking position of the second telescopic member 52 (the second stopping 531 near the second locking engagement hole 11), and when the second driving handle is rotated 90 degrees and then is in the horizontal position, the second stopping engagement portion 54 engages with the second stopping 531 corresponding to the second unlocking position of the second telescopic member 52 (the second stopping 531 far from the second locking engagement hole 11).

Of course, in other embodiments, two second stops may also be disposed along the extending direction of the second channel, in which case the connecting line between the two second stops is parallel to the central line of the second channel. In this case, the second extensible member is controlled to slide along the second channel. In addition, the relationship between the position of the second driving lever, the second lock position, and the second unlock position is not limited to this, and in another embodiment, the second extensible member may be in the second lock position when the second driving lever is in the horizontal position, and the second extensible member may be in the second unlock position when the second driving lever is in the vertical position.

Further, the second blocking portion 53 further includes a second guide surface 532. Two second gears 531 are located on the second guide surface 532. The second stopper fitting portion 54 can slide along the second guide surface 532 when moving between the two second stoppers 531, thereby making the operation smoother. Of course, in other embodiments, the second guide surface may not be provided.

In the present embodiment, the second stop mating portion 54 is a second post disposed on a circumferential sidewall of the second telescoping member 52. The second stopper 53 is located on the second base 51, and specifically, the end of the second base 51 away from the second locking fitting hole 11 is provided with a second groove structure which communicates with both the second passage 511 and the outside of the second base 51. One side of the groove wall of the second groove structure is parallel to the central line of the second channel 511, the other side of the groove wall is in an inclined arc shape, the inclined arc-shaped part of the groove wall forms a second guide surface 532, two clamping positions (a clamping groove or a clamping table board and the like) which can be stably matched with the second column body are respectively arranged at two ends of the second guide surface, and the two clamping positions form two second gears 531.

When the lifting structure 30 needs to be fixed at a position perpendicular to the supporting structure 10, the second manipulator engagement portion (the recessed portion on the second driving handle) is grasped by the manipulator to operate the second driving handle, so that the second driving handle rotates from the horizontal position to the vertical position, at this time, the second stopping engagement portion 54 engages with the second stopping portion 531 close to the second locking engagement hole 11, the second extensible member 52 extends to the second locking position, under the combined action of the second elastic member 55, the second extensible member 52 stays at the second locking position, the extended portion of the second extensible member 52 is inserted into the second locking engagement hole 11 above the supporting structure 10, so that the lifting structure 30 is clamped, the lifting structure 30 cannot rotate any more, and the locking of the lifting structure 30 is realized. The unlocking process of the second locking structure 50 is the reverse of the above process, and will not be described herein. After the second locking structure 50 is unlocked, the support structure 10 and the transition container are turned from the horizontal state to the vertical state under the gravity of the transition container.

It should be noted that the locking and unlocking process of the lifting structure 30 in a position parallel to the supporting structure 10 is similar to the above process and will not be described in detail here. The specific structure of the second locking structure 50 is not limited thereto, and in other embodiments not shown in the drawings, the second locking structure may be other structures that can switch between the locked and unlocked states. For example, the second extensible member is telescopically arranged in the second channel in a penetrating manner, the peripheral wall of the second extensible member is completely attached to the inner wall of the second channel, a certain friction force is formed between the peripheral wall of the second extensible member and the inner wall of the second channel, and when the second extensible member is pushed to a certain position, the second extensible member can stay at the position by means of the friction force; or, two second keep off the position for setting up two draw-in grooves on the inner wall of second passageway, second backstop cooperation portion is for setting up on the lateral wall of second extensible member and can take place elastic deformation's dop, and its position designs according to the second latched position and the second unblock position of second extensible member, and the dop warp the back card and goes into in the draw-in groove to make the second extensible member stop in this position.

As shown in fig. 1 and 2, in the turning device of the present embodiment, the support structure 10 includes a support body 12 and legs 13 provided below the support body 12. The height of the legs 13 is adjustable. The height of the section of the support structure 10 of the tilting device for placing the transition container needs to be the same as the lowest part of the thermal chamber screen door, so that the pulling-in operation of the transition container can be facilitated. Because the heights from the bottom of the shielding door in each heat chamber to the ground of the heat chamber are different, the turnover device can be used in different heat chambers through the supporting legs 13 with adjustable heights. Specifically, the supporting leg 13 includes an outer shell and a supporting leg main body telescopically arranged in the outer shell, the supporting leg main body is connected with the outer shell through threads, an adjusting rod is arranged on a portion of the supporting leg main body exposed out of the outer shell, and the supporting leg main body can be rotated out or rotated in relative to the outer shell through rotation of the adjusting rod, so that the overall height of the supporting leg 13 is adjusted. Of course, the height of the leg 13 is not limited to this, and in other embodiments, the height may be adjustable, for example, the leg main body and the housing may be slidable relative to each other, and may be locked by a locking member after being slid to a certain position.

After the double-cover sealing transfer device is in butt joint with the hot chamber, the height of the supporting legs 13 of the supporting structure 10 of the turnover device is adjusted, and the height of the part, used for placing the transition container, of the supporting structure 10 is flush with the lowest position of the shielding door of the hot chamber. The second driving handle is operated by the robot grasping the second robot engaging portion to rotate the second driving handle to the vertical position, the second extensible member 52 is extended to the second locking position, and the extended portion of the second extensible member 52 is inserted into the second locking engaging hole 11 of the support structure 10 located above, thereby fixing the elevation structure 30 to a position perpendicular to the support structure 10. Thereafter, the hot room screen door is opened, and the crane engaging portion 40 of the support structure 10 is gripped by the crane in the hot room, so that the entire turning device is moved to the front of the butt joint. The transition container is pulled from the transfer container to the support structure 10 by the manipulator, the handle of the transition container is pulled to the range corresponding to the handle limit space 22, the first limiting member 21 is adjusted to the limit position by the manipulator, and the handle of the transition container is limited in the handle limit space 22 surrounded by the first bending portion 212 of the first limiting member 21 and the second bending portion 242 of the second limiting member 24. The first manipulator matching part is grasped by the manipulator to operate the first driving rotating handle, so that the first driving rotating handle rotates from the horizontal position to the vertical position, at the moment, the first telescopic part 232 extends out to the first locking position, and the extending part of the first telescopic part 232 is inserted into the first locking matching hole 213 of the first limiting part 21, so that the first limiting part 21 is clamped, and the first limiting part 21 is locked.

The crane in the hot chamber integrally moves the turnover device and the transition container to the wide open space in the hot chamber, and the lifting structure 30 is unlocked by operating the second driving rotating handle through the manipulator, so that the lifting structure 30 and the supporting structure 10 can rotate relatively. Thereafter, as the crane lifts, the turnover device is turned from the horizontal state to the vertical state by the gravity of the transition container. After the container is turned over, the transition container is put on the transition container tool on the bottom surface of the hot chamber. The first limiting part 21 is unlocked by operating the first driving rotating handle through the manipulator, and the first limiting part 21 is opened. Since the crane is always engaged with the hoist engagement portion 40, the lifting structure 30 is rotated to a position parallel to the support structure 10. The second drive handle may be operated by a robot to lock the lifting structure 30 in this position, or the lifting structure 30 may not be locked. And the transition container is separated from the turnover device along with the slow hoisting of the crane, and the next operation can be carried out on the radioactive materials in the transition container.

When the transition container is sent back to the transfer container, a manipulator is required to perform auxiliary operation in the process of changing the transition container from the vertical direction to the horizontal direction, and other processes are opposite to the processes and are not repeated herein.

It should also be noted that, in the case of the embodiments of the present invention, features of the embodiments and examples may be combined with each other to obtain a new embodiment without conflict.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention is subject to the scope of the claims.

Claims

1. A turnover device, comprising:

a support structure (10) for carrying an object to be overturned;

a fixing structure cooperating with the object to be overturned, the fixing structure having a fixing state of fixing the object to be overturned on the supporting structure (10) and a fixing release state of enabling the object to be overturned to be separated from the supporting structure (10);

the lifting structure (30) is characterized in that a first end of the lifting structure (30) is rotatably connected to the supporting structure (10) and a rotating shaft of the lifting structure is arranged at the interval of the gravity center of the object to be overturned, when the fixing structure is in the fixing state, a second end of the lifting structure (30) is lifted, so that the supporting structure (10) and the object to be overturned face one side of the gravity center of the object to be overturned turn over, and after the object to be overturned is in place, the fixing structure is switched to the fixing releasing state.

2. The flipping device of claim 1,

the object to be overturned is provided with a handle, the handle comprises a handle and handle supporting parts connected with the two ends of the handle, the handle is separated from the object to be overturned,

the fixing structure includes:

a base fixedly arranged on the support structure (10);

a first limiting piece (21) matched with the base, wherein the first limiting piece (21) is provided with a limiting position and a releasing position, the limiting position and the base form a handle limiting space (22) in a surrounding mode, the releasing position is used for opening the handle limiting space (22),

the handle is arranged in the handle limiting space (22) in a penetrating mode, when the first limiting piece (21) is located at the limiting position, the fixing structure is in the fixing state, and when the first limiting piece (21) is located at the releasing position, the fixing structure is in the fixing releasing state;

and the first locking structure (23) is used for locking the first limiting part (21) at the limiting position through the first locking structure (23).

3. The flipping mechanism of claim 2,

the first limiting piece (21) is rotatably connected to the base.

4. The flipping mechanism of claim 3,

the first stopper (21) includes:

a first straight section (211);

a first bent portion (212) connected to the first flat portion (211),

the rotating connection position of the first limiting part (21) and the base is located on the first flat portion (211) or between the first flat portion (211) and the first bending portion (212), and when the first limiting part (21) is located at the limiting position, the first bending portion (212) and the base enclose the handle limiting space (22).

5. The flipping device of claim 4,

the base comprises a second stop (24), the second stop (24) comprising:

a second straight section (241);

a second bent portion (242) connected to the second straight portion (241),

the rotating connection position of the first limiting piece (21) and the base corresponds to the second straight portion (241) or between the second straight portion (241) and the second bending portion (242), and when the first limiting piece (21) is located at the limiting position, the first bending portion (212) and the second bending portion (242) jointly enclose the handle limiting space (22).

6. The flipping device of claim 5,

the number of the second limiting parts (24) is two, and the first limiting part (21) is located between the two second limiting parts (24).

7. The flipping device of any one of claims 4 to 6,

the fixing structure further includes:

the positioning piece (25) is arranged on the base, and after the first limiting piece (21) rotates to the limiting position, the positioning piece (25) abuts against the end part, far away from the first straight part (211), of the first bending part (212).

8. The flipping mechanism of claim 3,

one of the first retaining member (21) and the support structure (10) has a first locking engagement hole (213) therein,

the first locking structure (23) comprises:

a first base (231) fixedly arranged on the other one of the first limiting member (21) and the supporting structure (10), wherein the first base (231) is provided with a first channel (2311) which is arranged in a penetrating way;

the first telescopic piece (232) is telescopically arranged in the first channel (2311) in a penetrating mode, and the first telescopic piece (232) is provided with a first locking position inserted into the first locking matching hole (213) to lock the first limiting piece (21) and a first unlocking position separated from the first locking matching hole (213) to unlock the first limiting piece (21).

9. The flipping device of claim 8,

the first locking structure (23) further comprises:

a first stop (233) comprising two first gears (2331), said two first gears (2331) being arranged at intervals along the extension direction of said first channel (2311);

a first stop mating portion (234) provided on the first telescopic member (232), the first stop mating portion (234) selectively mating with one of the two first gears (2331);

a first elastic member (235) cooperating with the first telescopic member (232) to exert an elastic force on the first telescopic member (232) in a direction opposite to a direction of a force exerted by the first shift position (2331) on the first stop cooperating portion (234) to enable the first telescopic member (232) to stay in the first locked position and the first unlocked position.

10. The flipping mechanism of claim 9,

-the two first gears (2331) are mutually staggered in the direction of extension of the first channel (2311), -the first stop cooperation (234) is provided on the circumferential side wall of the first telescopic element (232),

the first locking structure (23) further comprises:

and a first driving member (236) for driving the first telescopic member (232) to rotate around the central line thereof, wherein the first stop matching part (234) can move between the two first gears (2331) along with the rotation of the first telescopic member (232).

11. The flipping mechanism of claim 10,

the first stop portion (233) further comprises a first guide surface (2332), and the two first gears (2331) are located on the first guide surface (2332).

12. The flipping apparatus of any one of claims 9 to 11,

the first stopper portion (233) is located on the first base (231).

13. The flipping mechanism of claim 10,

the first drive member (236) is a first drive stem having a first manipulator engagement portion.

14. The flipping device of claim 1,

and a lifting matching part (40) is arranged at the second end of the lifting structure (30), and the lifting matching part (40) is grabbed by lifting equipment so as to lift the second end of the lifting structure (30).

15. The flipping device of claim 1,

the lifting structure (30) having at least one fixed position relative to the supporting structure (10),

the turning device further comprises:

a second locking structure (50) by which the lifting structure (30) is locked in the fixed position.

16. The flipping mechanism of claim 15,

the fixed position comprises a position in which the lifting structure (30) is perpendicular to the support structure (10), or a position in which the lifting structure (30) is parallel to the support structure (10).

17. The flipping mechanism of claim 15,

one of the lifting structure (30) and the supporting structure (10) has at least one second locking engagement hole (11), the second locking engagement hole (11) corresponding to the fixing position,

the second locking structure (50) comprises:

a second base body (51) fixedly arranged on the other of the lifting structure (30) and the supporting structure (10), the second base body (51) having a second passage (511) arranged therethrough;

the second telescopic piece (52) is telescopically arranged in the second channel (511) in a penetrating mode, and the second telescopic piece (52) is provided with a second locking position inserted into the second locking matching hole (11) to lock the lifting structure (30) and a second unlocking position separated from the second locking matching hole (11) to unlock the lifting structure (30).

18. The flipping mechanism of claim 17,

the second locking structure (50) further comprises:

a second stop portion (53) comprising two second gears (531), wherein the two second gears (531) are arranged at intervals along the extending direction of the second channel (511);

a second stop cooperating portion (54) provided on said second telescopic element (52), said second stop cooperating portion (54) being selectively cooperating with one of said two second gears (531);

a second elastic member (55) cooperating with said second telescopic member (52) to exert on said second telescopic member (52) an elastic force in a direction opposite to the direction of the force exerted by said second gear (531) on said second stop cooperating portion (54), so as to enable said second telescopic member (52) to stay in said second locking position and in said second unlocking position.

19. The flipping mechanism of claim 18,

the two second gears (531) are offset from each other in the direction of extension of the second channel (511), the second stop engagement (54) is arranged on a circumferential side wall of the second telescopic part (52),

the second locking structure (50) further comprises:

and the second driving piece (56) is used for driving the second telescopic piece (52) to rotate by taking the central line thereof as an axis, and the second stop matching part (54) can move between the two second gears (531) along with the rotation of the second telescopic piece (52).

20. The flipping mechanism of claim 19,

the second stop (53) further comprises a second guide surface (532), and the two second gears (531) are located on the second guide surface (532).

21. The flipping device of any one of claims 18 to 20,

the second stopper portion (53) is located on the second base (51).

22. The flipping mechanism of claim 19,

the second drive (56) is a second drive stem having a second manipulator engagement portion.

23. The flipping device of claim 1,

the support structure (10) comprises a support body (12) and a leg (13) arranged below the support body (12), the height of the leg (13) being adjustable.