CN112951466B

CN112951466B - Target piece transfer device

Info

Publication number: CN112951466B
Application number: CN202110142638.9A
Authority: CN
Inventors: 石曙光; 李所先; 张程; 生凯章; 曹景良; 岳毅; 楚红建; 罗恒星
Original assignee: Sichuan Aerospace Shenkun Technology Co ltd
Current assignee: Sichuan Aerospace Shenkun Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2023-06-09
Anticipated expiration: 2041-02-02
Also published as: CN112951466A

Abstract

The invention discloses a target transfer device, which comprises a base, a shielding body, a lifting assembly and a material cylinder for storing target, wherein a cavity for accommodating the material cylinder is formed in the shielding body, a through hole matched with a hot chamber hole is formed in the base, the shielding body is connected to the base, an inlet and an outlet which can be opened and closed and are communicated with the through hole of the base are formed in the bottom of the shielding body, an opening and a closing taking and placing hole is formed in the shielding body, and the lifting assembly drives the material cylinder to move up and down to enter and exit the shielding body from the inlet and the outlet of the shielding body and the through hole of the base. The target transfer device is matched with the hot chamber pore canal, can conveniently operate the entrance and exit of the target in the hot chamber pore canal, and the shielding body provides good radiation shielding, so that the target is stored in the material cylinder for transfer, the operation process is clear, the safety and the reliability of the operation process are good, the whole structure of the target transfer device is simple, the implementation is convenient, and the cost is low.

Description

Target piece transfer device

Technical Field

The invention relates to the technical field of nuclear facility operation tools, in particular to a target transfer device.

Background

The advanced research heap in China is a high-performance multipurpose research heap, is used as an important nuclear science and technology research platform in China, and is one of main functions of radiation production of radioactive isotopes and target pieces, and radioactive measurement of the radioactive isotopes or the target pieces is an important verification method for checking the correctness of theoretical calculation methods and verifying the radiation yield. The radioactive operation is involved, so that the radiation protection principle in the nuclear field of China is followed, namely, the environment and personnel are protected from unnecessary and lowest radiation irradiation, the efficiency of the process operation in the measuring process is improved, and more strict requirements are put on the stability, the accuracy and the like of the whole process transportation flow and tools.

In the existing nuclear facilities, various long-distance long-rod operation tools are used for radioactive operation, most of the tools use mechanical long rods, the open-close state of the grippers is difficult to determine in blind areas which cannot be seen, the grippers are opened and closed, the operation safety and the reliability are low, and although an electric control system can be adopted, the complexity of the tools is greatly increased, the implementation cost is high, the maintenance is difficult, and the cost is high.

Disclosure of Invention

The invention aims to solve the technical problems and the technical task of improving the prior art, provides a target transfer device, and solves the problem of poor safety and reliability of target transfer operation in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a target transfer device, includes base, shield, lifting unit and is used for depositing the material section of thick bamboo of target, the inside cavity that is used for holding the material section of thick bamboo of shield, the base on be provided with the through-hole that is used for with the hot chamber pore match, the shield connect on the base, the bottom of shield set up but the import and export of switching and with base through-hole intercommunication, the shield still be provided with the access that can open and shut, lifting unit drive the material section of thick bamboo and reciprocate in order to follow the access of shield and the through-hole business turn over shield of base. The target transfer device is matched with the hot chamber pore canal, is directly arranged on the hot chamber pore canal through the base, can conveniently operate the entrance and exit of the target in the hot chamber pore canal, provides good radiation shielding for the shielding body, ensures the safety and reliability of the operation process, and has the advantages of simple integral structure, convenient implementation and low cost.

Further, the shielding body include shielding section of thick bamboo and shielding bottom plate, shielding bottom plate on offer and import and export to shielding bottom plate on set up the shielding interlayer that is used for switching import and export, shielding section of thick bamboo is top closed lower extreme open-ended barrel, shielding section of thick bamboo cover connects on shielding bottom plate's import and export, set up the mouth of putting of getting of openable on the shielding section of thick bamboo, simple structure, the material section of thick bamboo business turn over shielding body of operation storage target piece that can be convenient, the shielding body provides good radiation shielding nature, ensures the security of target piece at the whole process of hot chamber pore business turn over.

Furthermore, the shielding interlayer adopts the plates to splice to form an interlayer with a hollow cavity, lead is filled in the hollow cavity to form a lead shielding layer, the radiation shielding effect is improved, radiation leakage is avoided, and the completeness of the operation process is ensured.

Further, the shielding cylinder is divided into a fixed cylinder body and a movable cylinder body along the axial direction of the cylinder body, the fixed cylinder body is fixedly arranged on the shielding bottom plate, the movable cylinder body moves between an opening position and a closing position, when the movable cylinder body is in the closing position, the movable cylinder body and the fixed cylinder body are in sealing combination, and the movable cylinder body and the fixed cylinder body are in locking connection through a lock, so that the structure is simple, a fetching and placing opening with a larger caliber can be obtained, the material cylinder can be fetched and placed conveniently, and the operation convenience is improved.

Further, the outer wall of the material cylinder is provided with a groove for clamping, so that the material cylinder can be clamped by a manipulator, a clamp and the like conveniently, and the stability of clamping the material cylinder is improved.

Further, the lifting assembly comprises a hanging basket and a hoisting mechanism for driving the hanging basket to move up and down, the hanging basket is used for bearing a material barrel, the structure is simple, the occupied space is small, the implementation is convenient, the cost is low, the hanging basket can be reliably driven to move up and down, and the operation of the target piece in the hot chamber duct is convenient.

Further, the hanging basket have and be used for depositing the chamber that holds of material section of thick bamboo, the hanging basket be provided with the opening that can open and shut place the mouth, place the mouth close the time the hanging basket lock the material section of thick bamboo in holding the chamber, improve the stability to the material section of thick bamboo lift process, avoid appearing the material section of thick bamboo and deviate from the dangerous situation that drops from the hanging basket, improve operation safety.

Further, the hanging basket comprises a hanging basket fixing part and a hanging basket moving part, the hanging basket moving part is hinged to the hanging basket fixing part to form an openable placing opening, the hanging basket fixing part and the hanging basket moving part are connected through a buckle assembly in a locking mode when in a closing state, the material barrel storing the target is reliably locked in the hanging basket, the material barrel is prevented from falling off from the hanging basket, and the safety and reliability of the target transferring process are improved.

Further, the winding mechanism comprises a winding disc, a cable and a rocking wheel, wherein the cable is wound on the winding disc, the rocking wheel is connected with the winding disc to drive the winding disc to rotate, the winding disc and the rocking wheel are arranged outside the shielding body, and the cable penetrates through the shielding body and is connected with the hanging basket. The winding disc and the rocking wheel do not occupy the inner space of the shielding body, the size of the shielding body can be reduced, the cost is reduced, the operation of lifting outside is convenient, the operation safety is good, only a cable penetrates into the shielding body, the radiation is reduced, and the safety is further ensured.

Further, the winding mechanism further comprises a ratchet assembly arranged on the winding disc, the winding mechanism can only rotate unidirectionally when the ratchet assembly acts, the ratchet assembly plays a locking role in reverse rotation, the current position can be kept to be free from sliding when the winding mechanism is not operated, the falling condition can be effectively prevented, and the safety is improved.

Compared with the prior art, the invention has the advantages that:

the target transfer device is matched with the hot chamber pore canal, can conveniently operate the entrance and exit of the target in the hot chamber pore canal, and the shielding body provides good radiation shielding, so that the target is stored in the material cylinder for transfer, the operation process is clear, the safety and the reliability of the operation process are good, the whole structure of the target transfer device is simple, the implementation is convenient, and the cost is low.

Drawings

FIG. 1 is a schematic view of the overall structure of a target transport device;

FIG. 2 is a schematic view of a base;

FIG. 3 is a schematic view of a shield canister;

FIG. 4 is a schematic view of the structure of a shield base plate;

FIG. 5 is a schematic structural view of a basket;

FIG. 6 is a schematic structural view of the hoisting mechanism;

fig. 7 is a schematic structural view of the cartridge.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The target transfer device disclosed by the embodiment of the invention has the advantages of simple structure, convenience in implementation, low cost, definite state in the transfer process, convenience in operation, safety and reliability, and suitability for various types of targets.

As shown in fig. 1 to 7, a target transferring device mainly comprises a base 1, a shielding body 2, a lifting assembly 3 and a material cylinder 4 for storing a target, wherein a cavity for accommodating the material cylinder 4 is formed in the shielding body 2, the base 1 is matched with the size of a hot chamber pore canal, a through hole 11 matched with the hot chamber pore canal is formed in the base 1, the through hole 11 is used for allowing the material cylinder 4 to enter and exit the hot chamber pore canal, the shielding body 2 is connected to the base 1, an inlet 21 which can be opened and closed and is communicated with the through hole 11 of the base 1 is formed in the bottom of the shielding body 2, an openable taking and placing opening is formed in the shielding body 2, the lifting assembly 3 drives the material cylinder 4 to move up and down to enter and exit the shielding body 2 from the inlet 21 of the shielding body 2 and the through hole 11 of the base 1, that is, namely, the material cylinder 4 for storing the target passes through the through hole 11 of the base 1 from the hot chamber, the inlet 21 of the shielding body 2 enters into the cavity of the shielding body 2, and the material cylinder 4 for storing the target is used for transferring the target from the shielding body 2 to the through hole 21 to the base 1, and the lifting ring 1 is arranged on the whole lifting device.

In this embodiment, the shielding body 2 includes a shielding barrel 22 and a shielding bottom plate 23, the shielding bottom plate 23 is provided with an inlet and an outlet 21, the shielding bottom plate 23 is provided with a shielding interlayer 24 for opening and closing the inlet and the outlet 21, the shielding interlayer 24 specifically adopts a drawer type structure, that is, a linear push-pull mode is adopted, the shielding interlayer 24 is pushed and pulled linearly and reciprocally along a linear direction to open or close the inlet and the outlet, the shielding interlayer 24 adopts a plate material to splice and form an interlayer with a hollow cavity, lead is poured into the hollow cavity to form a lead shielding layer, the thickness of the lead shielding layer is 15-30 mm, preferably 20mm, the shielding interlayer 24 is pushed and pulled flexibly on the shielding bottom plate 23 without jamming, a limiting structure is arranged to prevent the shielding interlayer 24 from dropping in the process of operating a target transfer device and the process of transporting the target transfer device, the safety and reliability are improved, the shielding barrel 22 is a barrel with a top end for closing an opening at the lower end, the shielding cylinder 22 is covered on the inlet and outlet 21 of the shielding bottom plate 23, the shielding cylinder 22 is provided with an openable and closable taking and placing port, in particular, the shielding cylinder 22 is split into a fixed cylinder 221 and a movable cylinder 222 along the axial direction of the cylinder, the shielding cylinder 22 is approximately cylindrical and is split into two halves along the diameter direction to form the fixed cylinder 221 and the movable cylinder 222, the fixed cylinder 221 is fixedly arranged on the shielding bottom plate 23, the movable cylinder 222 is hinged on the fixed cylinder 221, the movable cylinder 222 rotates between an open position and a closed position and moves between the open position, the movable cylinder 222 and the fixed cylinder 221 are hermetically spliced when the movable cylinder 222 is in the closed position, the movable cylinder 222 is in locking connection with the fixed cylinder 221 through a lock 223, the lock 223 particularly comprises a lock rod and a lock groove, one end of the lock rod is hinged on the fixed cylinder 221, the other end is provided with the spacing portion of external diameter increase, the locked groove fix on movable barrel 222, the locked groove is the U-shaped form specifically, when movable barrel 222 is in the closed position, the locking lever rotate to with the locked groove cooperation, i.e. the locking lever rotates into the U-shaped inslot, spacing portion is located the one end of U-shaped inslot to with fixed barrel 221 and movable barrel 222 locking, keep movable barrel 222 in the closed position, ensure the leakproofness, thereby guarantee stable radiation shielding effect, improve the security. The shielding body 2 is composed of lead shielding materials and stainless steel coated surfaces, and good radiation shielding effect is guaranteed.

The material section of thick bamboo 4 outer wall be provided with the recess 41 that is used for the centre gripping, make things convenient for the manipulator to press from both sides to get the operation and improve and press from both sides and get stability, avoid taking place the situation that material section of thick bamboo 4 dropped, improve and transport reliability to, material section of thick bamboo 4 adopts polytetrafluoroethylene material to make, is provided with the handle of nonmetal on the material section of thick bamboo 4, also makes things convenient for artifical transport material section of thick bamboo 4, material section of thick bamboo 4 is the barrel of switching, conveniently gets and puts the target, its bottom can be provided with the grid and leads to the groove and make things convenient for the target to wash.

In this embodiment, the lifting assembly 3 includes a basket 31 and a hoisting mechanism that drives the basket 31 to move up and down, the basket 31 is used for carrying the material cylinder 4, and the material cylinder 4 for storing the target is lifted by adopting a hoisting manner, so that the implementation is convenient and the cost is low.

The hanging basket 31 have the holding cavity that is used for depositing material section of thick bamboo 4, the hanging basket 31 be provided with the opening of placing that can open and close, the opening of placing when closing the hanging basket 31 with material section of thick bamboo 4 locking hold the chamber in, in this embodiment, hanging basket 31 is the barrel structure of a frame form, the top is provided with davit 311, the davit is used for being connected with hoist mechanism, specific hanging basket 31 is cylindric roughly, split into two along the diameter direction, be hanging basket fixed part 312 and hanging basket movable part 313 respectively, hanging basket fixed part be semi-circular frame and have the bottom plate, hanging basket movable part then be semi-circular frame, hanging basket movable part articulates in order to form the opening of placing that can open and close on the hanging basket fixed part, place the regional big enough of opening, can convenient get and put material section of thick bamboo, buckle subassembly 314 locking connection when closing the state, buckle subassembly specifically includes bolt and locking bolt, locking part is provided with one on fixed part and hanging basket movable part respectively, specifically be the U-shaped hanging basket, locking lever has offered the U-shaped section of thick bamboo, the locking lever has avoided the U-shaped section of thick bamboo 31 to be inserted at the moment when the locking lever is opened, the unexpected and the locking lever is opened, the locking is realized, and the safety is avoided the locking in the state when the U-shaped section of thick bamboo is opened.

In this embodiment, the winding mechanism includes winding disc 32, cable 33 and rocking wheel 34, cable 33 coil on winding disc 32, rocking wheel 34 be connected with winding disc 32 in order to drive winding disc 32 rotation, winding disc 32 and rocking wheel 34 set up in shielding body 2 outside, winding disc 32 and rocking wheel 34 rotate and connect on the hoist base, the hoist base can be fixed on base 1 or shielding body 2, cable 33 penetrate shielding body 2 and be connected with hanging flower basket 31, be provided with length mark on the cable 33, the control lifting height of being convenient for adopts the mode of manual operation, simple structure, operational reliability height, long service life, winding disc and rocking wheel do not occupy the shielding body inner space, can reduce the volume of shielding body to the operation of conveniently going up and down in the outside, the operation security is good.

The winding mechanism also comprises a ratchet wheel assembly 35 arranged on the winding disc 32, the ratchet wheel assembly 35 comprises a ratchet wheel and a pawl, the ratchet wheel rotates along with the winding disc 32, the pawl is arranged on a winding base, when the ratchet wheel and the pawl are matched to act, the winding disc 32 can only rotate unidirectionally, a locking effect is achieved on reverse rotation, the falling condition can be effectively prevented, the hanging basket can be kept at the current position without sliding when the winding mechanism is not operated, namely, the position of the target piece is kept stable, the falling condition is avoided, and the safety is improved.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the invention, and the scope of the invention should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.

Claims

1. The utility model provides a target transfer device, its characterized in that, including base (1), shield (2), lifting unit (3) and be used for depositing target's material section of thick bamboo (4), shield (2) inside for being used for holding the cavity of material section of thick bamboo (4), base (1) on be provided with be used for with hot chamber pore matching's opening (11), shield (2) connect on base (1), the bottom of shield (2) set up but the import and export (21) of switching and with base (1) opening (11) intercommunication, shield (2) still be provided with the access opening of switching, lifting unit (3) drive material section of thick bamboo (4) in order to follow the access opening (21) of shield (2) and opening (11) of base (1) up-and-down activity, material section of thick bamboo (4) outer wall be provided with recess (41) that are used for the centre gripping, material section of thick bamboo (4) adopt polytetrafluoroethylene material to make, handle (4) are provided with material section of thick bamboo (4) and can be provided with the open and can be used for opening of thick bamboo (4) bottom.

2. The target transfer device according to claim 1, wherein the shielding body (2) comprises a shielding cylinder (22) and a shielding bottom plate (23), an inlet and outlet (21) is formed in the shielding bottom plate (23), a shielding interlayer (24) for opening and closing the inlet and outlet (21) is arranged on the shielding bottom plate (23), the shielding cylinder (22) is a cylinder body with a top end closed and a lower end open, the shielding cylinder (22) is covered on the inlet and outlet (21) of the shielding bottom plate (23), and an openable and closable picking and placing opening is formed in the shielding cylinder (22).

3. Target transfer device according to claim 2, wherein the shielding barrier (24) is a barrier with a hollow cavity formed by splicing plates, and lead is poured into the hollow cavity to form a lead shielding layer.

4. The target transferring device according to claim 2, wherein the shielding cylinder (22) is split into a fixed cylinder (221) and a movable cylinder (222) along the cylinder axial direction, the fixed cylinder (221) is fixedly arranged on the shielding bottom plate (23), the movable cylinder (222) is movable between an open position and a closed position, when the movable cylinder (222) is in the closed position, the movable cylinder (222) and the fixed cylinder (221) are in sealing engagement, and the movable cylinder (222) and the fixed cylinder (221) are in locking connection through a lock (223).

5. Target transfer device according to claim 1, characterized in that the lifting assembly (3) comprises a hanging basket (31) and a hoisting mechanism for driving the hanging basket (31) to move up and down, and the hanging basket (31) is used for bearing the material cylinder (4).

6. Target transfer device according to claim 5, wherein the basket (31) has a receiving cavity for storing the material cartridge (4), the basket (31) being provided with an openable and closable placement opening, the basket (31) locking the material cartridge (4) in the receiving cavity when the placement opening is closed.

7. Target transfer device according to claim 6, wherein the basket (31) comprises a basket fixing part and a basket moving part, the basket moving part is hinged on the basket fixing part to form an openable and closable placing opening, and the basket fixing part and the basket moving part are in locking connection through a buckle assembly in a closed state.

8. The target transferring device according to claim 5, wherein the winding mechanism comprises a winding disc (32), a cable (33) and a rocking wheel (34), the cable (33) is wound on the winding disc (32), the rocking wheel (34) is connected with the winding disc (32) to drive the winding disc (32) to rotate, the winding disc (32) and the rocking wheel (34) are arranged outside the shielding body (2), and the cable (33) penetrates the shielding body (2) and is connected with the hanging basket (31).

9. The target transport device of claim 8, wherein the winding mechanism further comprises a ratchet assembly (35) disposed on the take-up reel (32).