阅读说明：本技术 一种核废料桶表面擦拭采样装置、屏蔽转运小室 (Nuclear waste bucket surface wiping sampling device and shielding transfer chamber ) 是由 陈先林 李文钰 贾占举 陈莉 骆枫 李振臣 范继珩 童明炎 莫华均 严佳兵 刘文 于 2021-06-23 设计创作，主要内容包括：本发明公开了一种核废料桶表面擦拭采样装置,包括：所述核废料桶表面擦拭采样装置包括垂直升降组件、直线移动组件和样品夹持组件；一种核废料桶表面擦拭采样的屏蔽转运小室,包括上述的擦拭采样装置,所述屏蔽转运小室包括多个通过锚钩固定连接的金属屏蔽墙,其中一个所述金属屏蔽墙上开设有门孔,所述门孔内设置有与其适配的门板；本发明一种核废料桶表面擦拭采样装置通过设置垂直升降组件实现对核废料桶任意位置的采样,通过设置直线移动组件实现远距离采样；通过设置一个屏蔽转运小室,在取样过程中及完成后收集样品时对人员进行屏蔽防护,减少人员受照剂量。(The invention discloses a surface wiping sampling device for a nuclear waste bucket, which comprises: the surface wiping sampling device for the nuclear waste barrel comprises a vertical lifting component, a linear moving component and a sample clamping component; a shielding transfer chamber for wiping and sampling the surface of a nuclear waste barrel comprises the wiping and sampling device, and comprises a plurality of metal shielding walls fixedly connected through anchor hooks, wherein a door hole is formed in one metal shielding wall, and a door plate matched with the door hole is arranged in the door hole; the surface wiping sampling device for the nuclear waste barrel realizes sampling of any position of the nuclear waste barrel by arranging the vertical lifting assembly, and realizes remote sampling by arranging the linear moving assembly; through setting up a shielding transfer cell, shield the protection to personnel when collecting the sample in the sampling process and after accomplishing, reduce personnel's irradiated dose.)

1. A nuclear waste bucket surface wiping sampling device, comprising: the surface wiping and sampling device for the nuclear waste barrel comprises a vertical lifting component, a linear moving component and a sample clamping component, wherein the vertical lifting component is vertically arranged, the fixed end of the vertical lifting component is fixedly connected with the ground/a frame, the linear moving component is fixedly connected with the lifting end of the vertical lifting component, the extension line of the linear moving component is intersected with the outer surface of the nuclear waste barrel, and the sample clamping component is fixedly connected with the moving end of the linear moving component;

when wiping and sampling, the sample clamping component is contacted with the outer surface of the nuclear waste bucket.

2. The nuclear waste bin surface wiping sampling device of claim 1 wherein the linear movement assembly includes a mounting plate and a linear movement mechanism, the mounting plate is horizontally disposed, the lower side of the mounting plate is fixedly connected with the lifting end of the vertical lifting assembly, and the linear movement mechanism is mounted on the upper side of the mounting plate.

3. The device for wiping and sampling the surface of the nuclear waste bin according to claim 2, wherein the linear moving mechanism comprises a driving motor, a threaded lead screw and a lead screw nut, the threaded lead screw is arranged above the mounting plate in parallel, the threaded lead screw is rotatably connected with the mounting plate, a torque output end of the driving motor is coaxial and fixedly connected with the threaded lead screw, the lead screw nut is sleeved on the threaded lead screw, the lead screw nut is slidably connected with the mounting plate, and the sample clamping assembly is fixedly connected with the lead screw nut.

4. The nuclear waste bin surface wiping sampling device of claim 2 wherein the linear movement mechanism includes a linear motor, a primary of the linear motor is fixedly connected to the upper side of the mounting plate, and the sample holding assembly is fixedly connected to a secondary of the linear motor.

5. The nuclear waste bin surface wiping sampling device of claim 2, wherein the sample clamping assembly includes a clamping arm, a clamping jaw, and a compression spring, a first end of the clamping arm is fixedly connected to the moving end of the linear movement assembly, and the clamping jaw is fixedly connected to a second end of the clamping arm by the compression spring.

6. The nuclear waste bucket surface wiping sampling device of claim 5 wherein the gripper jaw includes a gripper seat and a gripper jaw, the gripper seat fixedly connected to the second end of the gripper arm, the first ends of the plurality of gripper jaws rotatably connected to the gripper seat;

the central axis of the compression spring is parallel to the central line of the clamping arm.

7. The nuclear waste bucket surface wiping sampling device of claim 5 wherein the first end of the clamping arm is rotatably connected to the moving end of the linear movement assembly by a rotation assembly;

the rotating assembly comprises a mounting seat, a planetary reducer and a rotating motor, the mounting seat is fixedly connected with the moving end of the linear moving assembly, the planetary reducer and the rotating motor are fixedly connected with the mounting seat, a torque output shaft of the rotating motor is fixedly connected with a torque input shaft of the planetary reducer, and a torque output shaft of the planetary reducer is vertically and fixedly connected with the first end of the clamping arm.

8. The nuclear waste bin surface wiping and sampling device of claim 5, wherein the vertical lifting assembly comprises a bottom plate, a telescopic assembly and a guide assembly, the bottom plate is fixedly connected with the ground/the rack, the telescopic assembly and the guide assembly are arranged in parallel, a fixed end of the telescopic assembly and a first end of the guide assembly are fixedly connected with the bottom plate, and a telescopic end of the telescopic assembly and a second end of the guide assembly are fixedly connected with the lower side surface of the mounting plate;

the telescopic component comprises a hydraulic telescopic rod, a pneumatic telescopic rod, an electric telescopic rod or a threaded lead screw structure.

9. A shielded transport chamber for wiping sampling of nuclear waste drum surfaces, comprising a nuclear waste drum surface wiping sampling device according to any one of claims 1 to 9;

the small chamber is transported in shielding includes a plurality of metal shielding walls through anchor hook fixed connection, one of them the door opening has been seted up on the metal shielding wall, be provided with the door plant rather than the adaptation in the door opening, the one end of door plant pass through the hinge with door opening rotatable coupling, the other end of door plant is through setting up door plant locking device on the metal shielding wall with but the metal shielding wall switching is connected.

10. The shielded transportation chamber for nuclear waste bucket surface wiping sampling according to claim 9, wherein a rotary roller table is arranged in the shielded transportation chamber, the nuclear waste bucket is placed on the rotary roller table, a first end of the nuclear waste bucket surface wiping sampling device is arranged on one side of the rotary roller table, and a second end of the nuclear waste bucket surface wiping sampling device is arranged at the door hole.

Technical Field

The invention relates to the technical field of radioactive waste treatment, in particular to a nuclear waste barrel surface wiping sampling device and a shielding transfer chamber.

Background

After radioactive nuclear waste is barreled, the loose and non-fixed pollutants on the surface of the nuclear waste barrel body need to be wiped and sampled, then the nuclear waste barrel body is detected and recorded, and whether decontamination operation is performed before temporary storage and transportation of the nuclear waste barrel is determined according to a detection result. Present surface wiping arrangement can't realize wiping the sample to ladle body optional position, can't effectively keep apart personnel when wiping the completion and collecting the sample, and personnel's safety can't guarantee.

Disclosure of Invention

The invention aims to solve the problems that any position of a nuclear waste barrel cannot be sampled, the effective shielding and protecting performance is insufficient, and the invention aims to provide a nuclear waste barrel surface wiping sampling device and a shielding transfer chamber.

A nuclear waste bin surface wiping sampling device comprising: the surface wiping and sampling device for the nuclear waste barrel comprises a vertical lifting component, a linear moving component and a sample clamping component, wherein the vertical lifting component is vertically arranged, the fixed end of the vertical lifting component is fixedly connected with the ground/a frame, the linear moving component is fixedly connected with the lifting end of the vertical lifting component, the extension line of the linear moving component is intersected with the outer surface of the nuclear waste barrel, and the sample clamping component is fixedly connected with the moving end of the linear moving component;

when wiping and sampling, the sample clamping component is contacted with the outer surface of the nuclear waste bucket.

Specifically, the rectilinear movement subassembly includes mounting panel and rectilinear movement mechanism, the mounting panel level sets up, just the downside of mounting panel with the lift end fixed connection of vertical lift subassembly, rectilinear movement mechanism installs the last side of mounting panel.

As an embodiment, rectilinear movement mechanism includes driving motor, screw lead screw and screw nut, screw lead screw parallel arrangement is in the top of mounting panel, just the screw lead screw with mounting panel rotatable coupling, driving motor's torque output with the coaxial and fixed connection of screw lead screw, the screw nut suit is in on the screw lead screw, just screw nut with mounting panel slidable connection, sample centre gripping subassembly with screw nut fixed connection.

As another embodiment, the linear moving mechanism comprises a linear motor, a primary side of the linear motor is fixedly connected with the upper side surface of the mounting plate, and the sample holding assembly is fixedly connected with a secondary side of the linear motor.

Specifically, the sample clamping assembly comprises a clamping arm, a clamping claw and a compression spring, wherein the first end of the clamping arm is fixedly connected with the moving end of the linear moving assembly, and the clamping claw is fixedly connected with the second end of the clamping arm through the compression spring.

Preferably, the clamping jaw comprises a clamping head seat and a clamping jaw, the clamping head seat is fixedly connected with the second end of the clamping arm, and the first ends of the clamping jaws are rotatably connected with the clamping head seat;

the central axis of the compression spring is parallel to the central line of the clamping arm.

Further, the first end of the clamping arm is rotatably connected with the moving end of the linear moving assembly through a rotating assembly;

the rotating assembly comprises a mounting seat, a planetary reducer and a rotating motor, the mounting seat is fixedly connected with the moving end of the linear moving assembly, the planetary reducer and the rotating motor are fixedly connected with the mounting seat, a torque output shaft of the rotating motor is fixedly connected with a torque input shaft of the planetary reducer, and a torque output shaft of the planetary reducer is vertically and fixedly connected with the first end of the clamping arm.

Specifically, the vertical lifting assembly comprises a bottom plate, a telescopic assembly and a guide assembly, the bottom plate is fixedly connected with the ground/the rack, the telescopic assembly and the guide assembly are arranged in parallel, a fixed end of the telescopic assembly and a first end of the guide assembly are both fixedly connected with the bottom plate, and a telescopic end of the telescopic assembly and a second end of the guide assembly are fixedly connected with the lower side surface of the mounting plate;

the telescopic component comprises a hydraulic telescopic rod, a pneumatic telescopic rod, an electric telescopic rod or a threaded lead screw structure.

A shielding transfer chamber for wiping and sampling the surface of a nuclear waste bucket comprises the nuclear waste bucket surface wiping and sampling device;

the small chamber is transported in shielding includes a plurality of metal shielding walls through anchor hook fixed connection, one of them the door opening has been seted up on the metal shielding wall, be provided with the door plant rather than the adaptation in the door opening, the one end of door plant pass through the hinge with door opening rotatable coupling, the other end of door plant is through setting up door plant locking device on the metal shielding wall with but the metal shielding wall switching is connected.

Specifically, be provided with rotatory roll table in the small room is transported in the shielding, nuclear waste bucket places rotatory roll table is last, the first end setting that sampling device was cleaned on nuclear waste bucket surface is in rotatory roll table one side, the second end setting that sampling device was cleaned on nuclear waste bucket surface is in door hole department.

Compared with the prior art, the sampling device for wiping the surface of the nuclear waste bucket realizes sampling of any position of the nuclear waste bucket by arranging the vertical lifting component, and realizes remote sampling by arranging the linear moving component; through setting up a shielding transfer cell, shield the protection to personnel when collecting the sample in the sampling process and after accomplishing, reduce personnel's irradiated dose.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a nuclear waste bin surface wiping sampling device according to the invention.

FIG. 2 is a schematic diagram of a shielded transport chamber for wiping and sampling the surface of a nuclear waste barrel according to the present invention

Fig. 3 is a schematic structural view of a metal shielding wall provided with a door hole according to the present invention.

Reference numerals: 1-a vertical lifting component, 2-a linear moving component, 3-a rotating component, 4-a sample clamping component, 5-a rotating roller way, 6-a shielding transfer chamber, 101-a bottom plate, 102-a telescopic component, 103-a guide component, 201-a mounting plate, 202-a driving motor, 203-a threaded screw rod, 204-a drag chain, 205-a sensor, 206-a sensor fixing seat, 207-a drag chain frame, 301-a mounting seat, 302-a planetary reducer, 303-a rotating motor, 401-a clamping arm, 402-a compression spring, 403-a clamping seat, 404-a travel switch, 405-a clamping jaw, 601-a metal shielding wall, 602-a door panel, 603-a hinge, 604-an anchor hook and 605-a door panel locking device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A nuclear waste bin surface wiping sampling device comprising: the surface wiping and sampling device for the nuclear waste barrel comprises a vertical lifting component 1, a linear moving component 2 and a sample clamping component 4, wherein the vertical lifting component 1 is vertically arranged, the fixed end of the vertical lifting component 1 is fixedly connected with the ground/a frame, the linear moving component 2 is fixedly connected with the lifting end of the vertical lifting component 1, the extension line of the linear moving component 2 is intersected with the outer surface of the nuclear waste barrel, and the sample clamping component 4 is fixedly connected with the moving end of the linear moving component 2;

the sample holding assembly 4 is in contact with the outer surface of the nuclear waste drum during wiping sampling.

The vertical height of the sample clamping component 4 is controlled by controlling the height of the vertical lifting component 1, and when loose and non-fixed pollutants on the surface of the upper part of the nuclear waste bucket need to be collected, the vertical lifting component 1 can be lifted for sampling.

When loose and non-fixed pollutants on the surface of the lower part of the nuclear waste bin need to be collected, the vertical lifting assembly 1 can be lowered for sampling.

And through being connected sample centre gripping subassembly 4 with the removal end of rectilinear movement subassembly 2, make sample centre gripping subassembly 4 switch between the surface of contact nuclear waste bucket and keeping away from the nuclear waste bucket through rectilinear movement subassembly 2.

When the sampling is needed, the sample clamping assembly 4 is controlled to move towards the nuclear waste barrel and is in contact with the outer surface of the nuclear waste barrel, and the sampling is achieved.

After the sampling is accomplished, control sample centre gripping subassembly 4 and remove to the one end of keeping away from nuclear waste bucket, operating personnel can operate in the position of keeping away from nuclear waste bucket, can reduce personnel irradiated dose.

The linear moving assembly 2 comprises a mounting plate 201 and a linear moving mechanism, the mounting plate 201 is horizontally arranged, the lower side surface of the mounting plate 201 is fixedly connected with the lifting end of the vertical lifting assembly 1, and the linear moving mechanism is mounted on the upper side surface of the mounting plate 201.

The mounting plate 201 is typically positioned horizontally, but it may be positioned at an angle, which is sufficient to ensure that one end of the mounting plate 201 is positioned closer to the nuclear waste drum and the other end is positioned further from the nuclear waste drum.

In addition, the nuclear waste bin is generally placed on the rotary roller table 5 and transferred by the rotary roller table 5, so that the nuclear waste bin does not need to be carried by a handler himself, and the following embodiment is specifically used for detailed description.

The linear movement mechanism is to control the sample holding member 4 to approach or depart from the nuclear waste bin, and its specific structure need not be specified, as long as the purpose mechanism of horizontal movement can be achieved, two embodiments are provided below:

example one

The linear moving mechanism comprises a driving motor 202, a threaded lead screw 203 and a lead screw nut, the threaded lead screw 203 is arranged above the mounting plate 201 in parallel, the threaded lead screw 203 is rotatably connected with the mounting plate 201, the torque output end of the driving motor 202 is coaxial and fixedly connected with the threaded lead screw 203, the lead screw nut is sleeved on the threaded lead screw 203 and is slidably connected with the mounting plate 201, and the sample clamping assembly 4 is fixedly connected with the lead screw nut.

The ball screw structure is formed by the threaded screw 203 and the screw nut, and the rotary motion of the driving motor 202 is converted into the linear motion of the screw nut, which is a common structure at the present stage and does not need to be further described.

Example two

The linear moving mechanism comprises a linear motor, the primary side of the linear motor is fixedly connected with the upper side face of the mounting plate 201, and the sample clamping assembly 4 is fixedly connected with the secondary side of the linear motor.

In this embodiment, directly adopt linear electric motor, realize controlling the linear motion of sample centre gripping subassembly 4 through the motion of linear electric motor secondary, linear electric motor is present stage common structure, does not have a mistake and describes it further.

In addition, in order to realize further automation of the nuclear waste bucket surface wiping sampling device, a sensor 205 may be additionally provided and the sensor 205 may be fixed to the linear moving assembly 2, since the position of the sample holding assembly 4 is detected.

The number of the sensors 205 is three, the three sensors 205 are respectively installed on the three sensor fixing seats 206, and the three sensor fixing seats 206 are all fixedly connected with the mounting plate 201, are respectively arranged at two ends and a middle point of the mounting plate 201, and are respectively used for detecting the working position, the middle position and the unloading position of the sample clamping assembly 4.

The unloading position is used for collecting the sample collected by the sample holding assembly 4.

The working position is used for controlling the sample clamping component 4 to wipe and sample loose and non-fixed pollutants on the outer surface of the nuclear waste bucket.

The intermediate station is used to switch the state of the sample holding assembly 4, the specific use of which will be described below.

In addition, the vertical lifting assembly 1 and the linear moving assembly 2 in the nuclear waste bin surface wiping sampling device are controlled by signal lines, power is supplied through power lines, and the telescopic length can be controlled by compressed air or hydraulic oil, so that in order to avoid disorder of various lines, air pressure pipes or oil pressure pipes, a drag chain frame 207 is arranged on one side of the mounting plate 201, and a drag chain 204 is arranged in the drag chain frame 207, so that cables or electric wires or air pressure pipes and oil pressure pipes are bound to facilitate rotation and movement of the drag chain frame 207.

The sample holding component 4 comprises a holding arm 401, a holding claw and a compression spring 402, wherein the first end of the holding arm 401 is fixedly connected with the moving end of the linear moving component 2, and the holding claw is fixedly connected with the second end of the holding arm 401 through the compression spring 402.

The central axis of the compression spring 402 is arranged parallel to the centre line of the gripping arm 401.

The upper claw of the clamping claw is provided with sampling cloth for wiping and sampling loose and non-fixed pollutants on the surface of the nuclear waste bucket, and the sampling cloth can be flexibly separated from the clamping claw.

The centre gripping arm 401 is connected through compression bullet 402 with the gripper jaw to make and possessed certain buffer interval between centre gripping arm 401 and the gripper jaw, when centre gripping arm 401 and nuclear waste bin distance when too near, can compress compression bullet 402, thereby avoid stereoplasm centre gripping arm 401 to cause the harm to nuclear waste bin, perhaps cause the harm to the straight line removal subassembly 2.

And, when sampling, can be in certain compression state with compression bullet 402 to can be that the centre gripping cloth on the gripper jaw contacts with the lateral surface of nuclear waste bucket more closely, be convenient for gather.

In order to avoid too close a distance between the clamp arm 401 and the nuclear waste bin, a stroke switch 404 may be provided between the clamp arm 401 and the clamp jaw to control the operation of the linear motion assembly 2. When the stroke reaches the limit value too close, the linear moving component 2 is controlled to stop moving continuously, so that damage is avoided.

The clamping jaws comprise a clamping head seat 403 and clamping jaws 405, the clamping head seat 403 is fixedly connected with the second ends of the clamping arms 401, and the first ends of the clamping jaws 405 are rotatably connected with the clamping head seat 403;

the gripper jaw uses more structure for industrial field, namely through set up a plurality of rotatable clamping jaws 405 on gripper seat 403 to with the one end of clamping jaw 405 and gripper seat 403 rotatable coupling, exert an effort through arbitrary structure such as spring, shell fragment to the gripper jaw simultaneously, make the second end of clamping jaw 405 to the inside rotatory effort of gripper jaw, thereby fix the sampling cloth that prevents between a plurality of clamping jaws 405.

Also, the purpose of detaching the sampling cloth can be achieved by releasing the clamping jaws 405.

The first end of the clamping arm 401 is rotatably connected with the moving end of the linear moving component 2 through the rotating component 3;

the rotating assembly 3 comprises a mounting seat 301, a planetary reducer 302 and a rotating motor 303, the mounting seat 301 is fixedly connected with the moving end of the linear moving assembly 2, the planetary reducer 302 and the rotating motor 303 are both fixedly connected with the mounting seat 301, a torque output shaft of the rotating motor 303 is fixedly connected with a torque input shaft of the planetary reducer 302, and a torque output shaft of the planetary reducer 302 is vertically and fixedly connected with the first end of the clamping arm 401.

The state of centre gripping arm 401 can change, when the removal end of rectilinear movement subassembly 2 moved to the square of nuclear waste bucket promptly, the second end setting of centre gripping arm 401 was between the first end of centre gripping arm 401 and nuclear waste bucket (state one), and sample centre gripping subassembly 4 is close to the nuclear waste bucket this moment, can wipe the sample to the nuclear waste bucket.

After the sample is accomplished, when needing to take off the sampling cloth on the sample centre gripping subassembly 4 promptly, the removal end of rectilinear movement subassembly 2 removes to the direction of keeping away from nuclear waste bucket, can rotate centre gripping arm 401 through rotatory subassembly 3 this moment, make centre gripping arm 401's first end setting between centre gripping arm 401's second end and nuclear waste bucket (state two), nuclear waste bucket is kept away from more to centre gripping arm 401's second end this moment, and can realize to a certain extent that it cleans the outside purpose of sampling device to sample cloth rotation to nuclear waste bucket surface, be convenient for take off the sampling cloth.

Through the cooperation of rotating electrical machines 303 and planetary reducer 302, drive centre gripping arm 401 along its first end rotation, can realize the change to centre gripping arm 401's state.

When automation is required, the changed time node may be set at the sensor 205 located at the midpoint of the mounting plate 201.

The vertical lifting assembly 1 comprises a bottom plate 101, a telescopic assembly 102 and a guide assembly 103, wherein the bottom plate 101 is fixedly connected with the ground/a frame, the telescopic assembly 102 and the guide assembly 103 are arranged in parallel, the fixed end of the telescopic assembly 102 and the first end of the guide assembly 103 are both fixedly connected with the bottom plate 101, and the telescopic end of the telescopic assembly 102 and the second end of the guide assembly 103 are fixedly connected with the lower side surface of the mounting plate 201;

typically, the base plate 101 is secured to the ground by expansion bolts, and for better sampling, the base plate 101 is arranged to coincide with the extension of the radius of the nuclear waste bin.

The connecting part of the bottom plate 101 and the vertical lifting mechanism can be set to be a strip-shaped hole, and the equipment can be adjusted left and right, so that the central line of the equipment body is basically consistent with the central line of the nuclear waste bucket.

The telescopic assembly 102 comprises a hydraulic telescopic rod, a pneumatic telescopic rod, an electric telescopic rod or a threaded lead screw 203, the telescopic assembly 102 can be of various structures, and the telescopic assembly can mainly control the mounting plate 201 to move up and down.

In addition, the structure of the guide assembly 103 may be a guide bar guide sleeve structure, a sliding chute slider structure, or the like, and the main purpose of the guide assembly is to play a role of guiding, or the guide assembly 103 may be replaced by providing a plurality of telescopic assemblies 102.

The device can realize wiping sampling of loose and unfixed pollutants on the surface of the nuclear waste bucket in a remote place, but if the nuclear waste bucket is in a closed space for a long time, the nuclear waste bucket still can be irradiated by a large dose, and the health of people is seriously damaged, so that a shielding transfer chamber 6 for wiping sampling of the surface of the nuclear waste bucket is designed, and the chamber comprises the nuclear waste bucket surface wiping sampling device;

the shielding transfer chamber 6 comprises a plurality of metal shielding walls 601 fixedly connected through anchor hooks 604, the number of the metal shielding walls 601 is at least 1, and the metal shielding walls 601 are positioned between an operator and the nuclear waste barrel and play a role in isolating the operator and the nuclear waste barrel.

Of course, in practice, the anchor hooks 604 may be fixed to the civil engineering reserved holes, or 6 metal shielding walls 601 may be provided, and fixed to each other through the anchor hooks 604, and the purpose of protecting the nuclear waste bin from the upper, lower, left, right, front, and rear is achieved.

A door hole is formed in the metal shielding wall 601 where an operator is located, a door plate 602 adapted to the door hole is arranged in the door hole, one end of the door plate 602 is rotatably connected with the door hole through a hinge 603, and the other end of the door plate 602 is connected with the metal shielding wall 601 through a door plate locking device 605 arranged on the metal shielding wall 601 in an openable and closable manner.

Before wiping the sample, operating personnel opens door plant 602 that chamber 6 was transported in the shielding, lays the sample in the middle of the gripper jaw to it is fixed, closes door plant 602 that chamber 6 was transported in the shielding, seals door opening and door plant 602 through door plant locking device 605, avoids appearing the radiation and reveals.

In the implementation process, the door plate 602 of the shielding transfer chamber 6 is opened at the beginning of sampling and after the end of each sampling, and all other times are closed states.

At this time, the holding arm 401 is in the above (state two), and the second end of the holding arm 401 can be extended to the doorway, which is convenient for operation.

After the operation is completed, the clamping arm 401 is controlled to move towards the nuclear waste barrel, then the rotating assembly 3 is used for controlling the clamping arm 401 to rotate and be in a state (state one), the clamping claw is continuously close to the nuclear waste barrel, and the sampling operation is realized.

Be provided with rotatory roll table 5 in the small room 6 is transported in the shielding, nuclear waste bucket places on rotatory roll table 5, and the first end setting of sampling device is cleaned on nuclear waste bucket surface is in rotatory roll table 5 one side, and the second end setting of sampling device is cleaned on nuclear waste bucket surface is in door opening department.

The rotary roller table 5 is a universal transmission device, namely, the nuclear waste barrel can be moved in the horizontal direction, and can also be rotated, and when sampling is carried out, the rotary roller table 5 can drive the nuclear waste barrel to rotate, so that the purpose of sampling the nuclear waste barrel by 360 degrees can be realized.

The nuclear waste barrel is conveyed to the rotary roller way 5 through the conveying equipment, and the nuclear waste barrel is conveyed out of the rotary roller way 5 after the surface pollution wiping is completed, so that the nuclear waste barrel surface wiping and sampling device can be integrated on a corresponding production line.

A sampling device is cleaned on nuclear waste bucket surface realizes the long-range pollution of nuclear waste bucket ladle body surface optional position department through the combined motion of vertical lift subassembly 1, rectilinear movement subassembly 2, rotating assembly 3, sample centre gripping subassembly 4 and rotatory roll table 5 and cleans the sample, reduces personnel's operation by a wide margin.

A shielding transportation small chamber 6 for wiping and sampling the surface of a nuclear waste barrel shields and protects personnel in the sampling process and after the sampling is finished, and the irradiated dose of the personnel is reduced.

In addition, because the device is provided with the components which can be controlled by the control system, such as the sensor 205, the travel switch 404, the driving motor 202, the rotating motor 303, the telescopic assembly 102 and the like, in practical use, all the components can be connected to the control system, and the work of the components can be controlled by the control system, so that the purpose of automatic sampling can be realized.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.