CN219902011U - Sampling needle assembly dismounting device - Google Patents
Sampling needle assembly dismounting device Download PDFInfo
- Publication number
- CN219902011U CN219902011U CN202321684662.6U CN202321684662U CN219902011U CN 219902011 U CN219902011 U CN 219902011U CN 202321684662 U CN202321684662 U CN 202321684662U CN 219902011 U CN219902011 U CN 219902011U
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- CN
- China
- Prior art keywords
- sleeve
- sampling needle
- needle assembly
- dismounting device
- gear train
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005070 sampling Methods 0.000 title claims abstract description 67
- 238000010030 laminating Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of disassembly of sampling needle assemblies, in particular to a device for disassembling a sampling needle assembly. Including the dead lever, dead lever one end is equipped with the sleeve that can overlap on sample needle subassembly upper portion, be equipped with the spring plunger that a plurality of can bullet go into in the U type groove of sample needle subassembly on the sleeve, the shape of sleeve inner wall with the laminating of the shape on sample needle subassembly upper portion. Through the sleeve, the sleeve is sleeved on the upper part of the sampling needle assembly when in use, and the sleeve is driven to rotate by rotating the fixing rod, so that the sampling needle assembly is driven to rotate; through the spring plunger that sets up, in the U type groove with spring plunger's column cap bullet income sample needle subassembly during the use, make sleeve and sample needle subassembly fixed more firm, prevent to dismantle in-process sample needle subassembly at plug in-process drop. The device can be quick dismantle the sample needle subassembly, avoids staff direct contact sample needle subassembly in radiation environment, protection staff safety.
Description
Technical Field
The utility model relates to the technical field of disassembly of sampling needle assemblies, in particular to a device for disassembling a sampling needle assembly.
Background
In a spent fuel post-processing sampling analysis system, a sampling needle assembly is part of a sampling device, and the main function of the sampling needle assembly is to realize pin sampling. The sampling needle component is fixed on the sampler storage tank through a rotary clamp structure, and the sampling needle can be replaced through rotary insertion and extraction when the sampling needle is damaged. The sampling needle component is provided with a spring plunger, so that the sampling needle can be prevented from rotating in the sampling process. However, the joint manipulator is not easy to detach the sampling needle assembly on site, the manual replacement is required, the manual replacement is not safe in the radiation environment, and a tool capable of safely and quickly detaching the sampling needle assembly is required, so the utility model is proposed.
Disclosure of Invention
The utility model aims to provide a sampling needle assembly dismounting device which can facilitate a worker to safely and rapidly dismount a sampling needle assembly under a radiation condition.
The utility model provides a sampling needle assembly dismounting device which comprises a fixing rod, wherein one end of the fixing rod is provided with a sleeve sleeved on the upper part of a sampling needle assembly, the sleeve is provided with a plurality of spring plungers capable of being sprung into U-shaped grooves of the sampling needle assembly, and the shape of the inner wall of the sleeve is attached to the shape of the upper part of the sampling needle assembly.
Further, the sleeve is uniformly provided with four upright posts, and the spring plungers are respectively arranged on the two opposite upright posts.
Further, through holes are formed in the side walls of the two opposite upright posts, mounting grooves are formed in the through holes, and the column heads of the spring plungers penetrate through the mounting grooves and the through holes and extend into the sleeve.
Further, the mounting groove is in threaded connection with the spring plunger.
Further, one end of the fixing rod is provided with a fixing ring, and the top of the sleeve is fixedly connected with the fixing ring.
Further, one end of the fixing rod, which is far away from the sleeve, is provided with a threading hole.
Further, the fixing rod is fixedly connected with the outer side wall of the sleeve.
Further, a planetary gear mechanism is arranged at the top of the sleeve, the planetary gear mechanism comprises a primary gear train and a secondary gear train which are connected up and down, a sun gear of the secondary gear train is connected with a planet carrier of the primary gear train, and the planet carrier of the secondary gear train is fixedly connected with the top of the sleeve.
Further, the top of the input end of the first-stage gear train is fixedly connected with a fixing frame.
Further, the shape of the fixing frame is rectangular.
In summary, the utility model has the following advantages:
according to the sampling needle assembly dismounting device, the sleeve which is attached to the appearance of the sampling needle assembly is arranged, when the sampling needle assembly dismounting device is used, the sleeve is sleeved on the upper part of the sampling needle assembly, and the sleeve is driven to rotate by rotating the fixing rod, so that the sampling needle assembly is driven to rotate; through the spring plunger that sets up, in the U type groove with spring plunger's column cap bullet income sample needle subassembly during the use, make sleeve and sample needle subassembly fixed more firm, prevent to drop at plug in-process when dismantling the sample needle subassembly. The device can be quick dismantle the sample needle subassembly, avoids staff direct contact sample needle subassembly in radiation environment, reduces the harm of radiation to the human body, protects staff safety.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a sample needle assembly;
FIG. 2 is a schematic view showing a structure of a removing device for a sampling needle assembly according to an embodiment 1 of the present utility model;
FIG. 3 is a schematic structural view of a fixing rod in embodiment 1 of the present utility model;
FIG. 4 is a schematic view of a sleeve according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing the mounting of the sample needle assembly dismounting device according to the embodiment 1 of the utility model;
FIG. 6 is a schematic view showing a structure of a removing device for a sampling needle assembly according to embodiment 2 of the present utility model.
Reference numerals illustrate: the device comprises a 1-fixed rod, a 101-fixed ring, a 102-threading hole, a 2-sleeve, a 201-upright post, a 202-through hole, a 203-mounting groove, a 3-spring plunger, a 4-sampling needle assembly, a 401-U-shaped groove, a 5-planet wheel mechanism and a 6-fixing frame.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
A sample needle assembly removal apparatus is shown in fig. 2.
The inner wall shape of sleeve 2 is laminated with the upper portion shape of sample needle subassembly 4, is convenient for overlap in the upper portion of sample needle subassembly 4, drives sample needle subassembly 4 and rotates when rotating sleeve 2. The structure of the sampling needle assembly 4 is shown in FIG. 1, the upper part of the sampling needle assembly 4 is a square block with the width of 32mm multiplied by 25mm, and U-shaped grooves 401 with the width of 6mm and the height of 8mm are formed on four sides of the square block.
The specific structure of the sleeve 2 is shown in fig. 4, the sleeve 2 is provided with four upright posts 201 which are uniformly distributed, the vertical distance between two opposite upright posts 201 is 32.5mm, and the width of each upright post 201 is 15mm. The spring plungers 3 are installed on the two opposite upright posts 201, through holes 202 are formed in the side walls of the upright posts 201, mounting grooves 203 are fixedly formed in the positions of the through holes 202, the mounting grooves 203 are fixedly connected with the outer walls of the upright posts 201, the column heads of the spring plungers 3 penetrate through the mounting grooves 203 and the through holes 202 and extend into the sleeve 2, and the length of the column heads of the spring plungers 3 extending out of the through holes 202 can be designed according to requirements in actual use, so that the spring plungers can be automatically sprung into the U-shaped grooves 401 of the sampling needle assembly 4 under stress in use. The spring plunger 3 is in threaded connection with the mounting groove 203, and the inner wall of the mounting groove 203 is provided with internal threads which are matched with external threads of the spring plunger 3. The column head of the spring plunger 3 can shrink into the through hole 202 under the condition of stress in the descending process of the sleeve 2, and when the sleeve 2 descends to the proper position, the through hole 202 of the sleeve 2 is aligned with the U-shaped groove 401 of the sampling needle assembly 4, and the column head of the spring plunger 3 automatically springs into the U-shaped groove 401. The spring plungers 3 are arranged to prevent the sampling needle assembly 4 from falling off in the plugging process, and the spring plungers 3 can be arranged on the four upright posts 201 in actual use, so that the stability of connection is improved.
As shown in fig. 3, a fixing ring 101 is welded to one end of the fixing rod 1, and the top of the sleeve 2 is welded to the bottom of the fixing ring 101. When the sampling needle assembly is used, the fixed rod 1 corresponds to a handle, and the sleeve 2 is driven to rotate by rotating the fixed rod 1, so that the sampling assembly 4 is driven to rotate, the direct contact of a worker with the sampling needle assembly is avoided, and radiation is reduced. Grooves can be formed on two sides of the fixing rod 1, so that the fixing rod is convenient to grasp. The end of the fixed rod 1 far away from the sleeve 2 is provided with a threading hole 102, and a fine wire can be threaded when in use.
The application method of the sampling needle assembly dismounting device provided in the embodiment is as follows: as shown in fig. 5, when the sampling needle assembly 4 is disassembled, the end of the fixed rod 1 far away from the sleeve 2 is held by a hand, the sleeve 2 is opposite to the upper side of the sampling needle assembly 4, and because two spring plungers 3 are arranged on the sleeve 2, force needs to be applied to the fixed rod 1 in the descending process, and the column heads of the spring plungers 3 can be contracted into the through holes 202 under the condition of force; after the sleeve 2 descends to the position, the through hole 202 of the sleeve 2 is aligned with the U-shaped groove 401 of the sampling needle assembly 4, the column head of the spring plunger 3 is sprung out from the through hole 202 and is clamped in the U-shaped groove 401, then the fixing rod is rotated anticlockwise for 90 degrees, the sampling needle assembly 4 loosens, the fixing rod 1 is extracted upwards again, and the sleeve 2 and the sampling needle assembly 4 move upwards together to complete the disassembly of the sampling assembly 4.
Example 2
A sample needle assembly removal apparatus is shown in fig. 6.
In the glove box room with a medium and high environment, the operation can only be performed by a manipulator, but the strength which can be applied by the manipulator is insufficient, so that the sampling needle assembly cannot be disassembled, and the planetary gear mechanism 5 is arranged on the sleeve 2, so that the applied force is increased.
In this embodiment, the planetary gear mechanism 5 adopts a secondary gear system mechanism, and is composed of a primary gear train and a secondary gear train which are connected up and down, wherein the primary gear train and the secondary gear train are both of a conventional gear train structure, a sun gear is arranged in the middle of the input end of the primary gear train, three planetary gears are connected around the sun gear in a meshed manner, the three planetary gears are placed on a planetary carrier, the secondary gear train is identical to the primary gear train, and the sun gear of the secondary gear train is fixed below the planetary carrier of the primary gear train. The bottom of the planet carrier of the second-stage gear train is fixedly connected with the top of the sleeve 2. The outer diameter of the gear ring of the secondary gear train and the outer diameter of the gear ring of the primary gear train are consistent with the outer diameter of the sleeve 2.
In order to facilitate rotating the planetary gear mechanism 5, a fixing frame 6 is fixedly mounted at the top of the input end of the primary gear train, the fixing frame 6 in the embodiment is rectangular in shape, the planetary gear mechanism 5 is driven to rotate by rotating the fixing frame 6, and the sleeve 2 is driven to rotate by outputting the planetary gear carrier of the secondary gear train.
The fixing rod 1 in this embodiment is fixedly connected to the side wall of the sleeve 2. When the device is used, the fixing rod 1 can be leaned against other components in a glove box, then the fixing frame 6 is pushed by a mechanical hand in the glove box, the mechanical hand is pushed to apply a certain force, the fixing frame 6 drives the planetary gear mechanism 5 to rotate, the acting force is amplified through the gear train, the moment is increased by the rectangular fixing frame 6, the sleeve 2 is driven to rotate, the sampling needle component 4 is easily unscrewed, then the device is taken down by the mechanical hand, and the sampling needle component 4 is taken out.
The sampling needle assembly disassembling device provided by the utility model has a simple structure, can conveniently and rapidly disassemble the sampling needle assembly, avoids direct contact with a human body in a radioactive environment, and greatly reduces the harm of radiation to the human body; meanwhile, the device is suitable for manual operation and mechanical operation, and has strong practicability.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a sampling needle subassembly dismounting device, its characterized in that, includes dead lever (1), dead lever (1) one end is equipped with sleeve (2) that can overlap on sampling needle subassembly upper portion, be equipped with spring plunger (3) in the U type groove that a plurality of can bullet income sampling needle subassembly on sleeve (2), the shape of sleeve (2) inner wall with the laminating of the shape on sampling needle subassembly upper portion.
2. The sampling needle assembly dismounting device according to claim 1, wherein the sleeve (2) is uniformly provided with four uprights (201), wherein the spring plungers (3) are respectively provided on two opposite uprights (201).
3. The sampling needle assembly dismounting device according to claim 2, wherein two opposite upright posts (201) are provided with through holes (202) on the side walls, mounting grooves (203) are arranged at the through holes (202), and the column heads of the spring plungers (3) penetrate through the mounting grooves (203) and the through holes (202) and extend into the sleeve (2).
4. A sample needle assembly dismounting device as claimed in claim 3, characterized in that the mounting groove (203) is in threaded connection with the spring plunger (3).
5. The sampling needle assembly dismounting device of claim 1, wherein one end of the fixing rod (1) is provided with a fixing ring (101), and the top of the sleeve (2) is fixedly connected with the fixing ring (101).
6. The sampling needle assembly dismounting device of claim 1, wherein the end of the securing lever (1) remote from the sleeve (2) is provided with a threading aperture (102).
7. The sampling needle assembly dismounting device of claim 1, wherein the securing lever (1) is fixedly connected to the outer side wall of the sleeve (2).
8. The sampling needle assembly dismounting device according to claim 7, wherein a planetary gear mechanism (5) is arranged at the top of the sleeve (2), the planetary gear mechanism (5) comprises a primary gear train and a secondary gear train which are connected up and down, a sun gear of the secondary gear train is connected with a planet carrier of the primary gear train, and the planet carrier of the secondary gear train is fixedly connected with the top of the sleeve (2).
9. The sampling needle assembly dismounting device of claim 8, wherein a fixed frame (6) is fixedly connected to the top of the input end of the primary gear train.
10. The sampling needle assembly removal device according to claim 9, wherein the holder (6) is rectangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684662.6U CN219902011U (en) | 2023-06-29 | 2023-06-29 | Sampling needle assembly dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684662.6U CN219902011U (en) | 2023-06-29 | 2023-06-29 | Sampling needle assembly dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219902011U true CN219902011U (en) | 2023-10-27 |
Family
ID=88437412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321684662.6U Active CN219902011U (en) | 2023-06-29 | 2023-06-29 | Sampling needle assembly dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219902011U (en) |
-
2023
- 2023-06-29 CN CN202321684662.6U patent/CN219902011U/en active Active
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