CN114643549B - Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head - Google Patents

Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head Download PDF

Info

Publication number
CN114643549B
CN114643549B CN202210141991.XA CN202210141991A CN114643549B CN 114643549 B CN114643549 B CN 114643549B CN 202210141991 A CN202210141991 A CN 202210141991A CN 114643549 B CN114643549 B CN 114643549B
Authority
CN
China
Prior art keywords
radioactive source
clamping plate
source
fixing seat
groove
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.)
Active
Application number
CN202210141991.XA
Other languages
Chinese (zh)
Other versions
CN114643549A (en
Inventor
周春生
刘静海
刘化友
张正玉
刘兴春
李孟来
李阳兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Measurement And Control Co Of Sinopec Jingwei Co ltd
Sinopec Oilfield Service Corp
Sinopec Jingwei Co Ltd
Original Assignee
Southwest Measurement And Control Co Of Sinopec Jingwei Co ltd
Sinopec Oilfield Service Corp
Sinopec Jingwei Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Measurement And Control Co Of Sinopec Jingwei Co ltd, Sinopec Oilfield Service Corp, Sinopec Jingwei Co Ltd filed Critical Southwest Measurement And Control Co Of Sinopec Jingwei Co ltd
Priority to CN202210141991.XA priority Critical patent/CN114643549B/en
Publication of CN114643549A publication Critical patent/CN114643549A/en
Application granted granted Critical
Publication of CN114643549B publication Critical patent/CN114643549B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02—Assembly jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/02—Selection of uniform shielding materials
    • G21F1/10—Organic substances; Dispersions in organic carriers
    • G21F1/103—Dispersions in organic carriers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Manipulator (AREA)
  • Particle Accelerators (AREA)

Abstract

The application provides a disassembly and assembly tool and a disassembly and assembly method for a radioactive source and a sealing ring of the radioactive source. This radioactive source and dismouting frock of sealing washer include: the fixing seat is provided with a through hole for accommodating the radioactive source and a groove body for accommodating the clamping plate; the base is provided with a blind hole for accommodating the fixing seat and a chute for accommodating the clamping plate; the chute is positioned on the top surface of the base; the clamping plate can slide into or slide out of the groove body along the sliding groove so as to be clamped or far away from the radioactive source, so that the radioactive source is fixed or released, and an opening is formed in the clamping plate and used for clamping the radioactive source. By utilizing the disassembly and assembly tool, the close contact of workers with the radioactive source is avoided, the operation time is short, the operation can be performed by one person, and the operators are prevented from being damaged by larger radiation.

Description

Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head
Technical Field
The application relates to the technical field of radioactive source maintenance, in particular to a disassembly and assembly tool and a disassembly and assembly method of a radioactive source head and a sealing ring of the radioactive source head.
Background
The petroleum industry logging uses 20 curie neutron radiation sources, which periodically need to be replaced by the source of the neutron radiation source or the sealing ring thereof. The original neutron radiation source or the sealing ring is replaced by two persons in close distance by using pipe tongs and scissors in bare hands. Above-mentioned change mode is unshielded to neutron radiation source, and naked source operation lacks special frock, and operating personnel closely contacts the radiation source, and operating time is long, and two operating personnel all receive great radiation injury.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides a disassembly tool and a disassembly method for a radioactive source head and a sealing ring thereof. This dismouting frock can shield partial radiation, is favorable to avoiding operating personnel closely to contact the radiation source, and operating time is short, can alone operate, avoids operating personnel to receive great radiation injury.
In a first aspect, the present application provides a disassembly tool for a radioactive source and a sealing ring thereof, the disassembly tool comprising: the fixing seat is provided with a through hole for accommodating the radioactive source and a groove body for accommodating the clamping plate; the base is provided with a blind hole for accommodating the fixing seat and a chute for accommodating the clamping plate; the sliding groove is positioned on the top surface of the base; the clamping plate can slide into or slide out of the groove body along the sliding groove so as to be clamped or far away from the radioactive source, so that the radioactive source is fixed or released, and an opening is formed in the clamping plate and used for clamping the radioactive source. By utilizing the disassembly and assembly tool, the close contact of workers with the radioactive source is avoided, the operation time is short, the operation can be performed by one person, and the operators are prevented from being damaged by larger radiation.
In one embodiment of the first aspect, the clamping plate is provided with two slide ways; the fixed seat is provided with two pins, the two pins are in one-to-one correspondence with the two slide ways, and the pins are partially positioned in the slide ways to limit the moving range of the clamping plate; the opening of cardboard reduces in proper order from cardboard edge to opening top, the size of opening top department and the block portion's of radiation source size looks adaptation. According to the embodiment, the clamping plate can be prevented from falling off, and the clamping plate can be smoothly clamped on the clamping part of the radioactive source or the radioactive source assembly.
In one embodiment of the first aspect, a blind groove is formed in the top surface of the fixing seat and is used for partially accommodating the mounting cylinder, and the blind groove is formed in the side wall of the through hole. Through this embodiment, the blind groove has played spacing effect to the installation section of thick bamboo, avoids the installation section of thick bamboo to empty or deviate from the mounted position.
In one embodiment of the first aspect, a receiving groove is formed at the top of the mounting cylinder, and the receiving groove is used for storing the sealing ring. With this embodiment, it is advantageous to mount a new sealing ring from the receiving groove to its mounting position.
In one embodiment of the first aspect, a handle is mounted on the base; the base is provided with a storage groove for the mounting barrel; the base is also provided with a support, the support is used for supporting a heat gun, and the heat gun is used for melting fixing glue between the radioactive source and the radioactive source. Through this embodiment, the handle is favorable to the transport of dismouting frock, and the storage tank is favorable to avoiding the loss of installation section of thick bamboo, and the support is favorable to fixed heat gun.
In one embodiment of the first aspect, the base is composed of a boron-containing polyethylene material, and the holder and the card are composed of a stainless steel material. According to the embodiment, the base is made of the boron-containing polyethylene material, part of radiation rays can be shielded, the fixing seat and the clamping plate are made of stainless steel materials, the mechanical strength is high, and long-term repeated use is facilitated.
In a second aspect, the present application further provides a method for disassembling a radiation source by using the disassembly and assembly tool for a radiation source and a sealing ring thereof according to the first aspect and any embodiment thereof, where the disassembly and assembly method includes the following steps: the clamping plate slides out of the groove body of the fixing seat; placing a radioactive source assembly into the through hole of the fixing seat, wherein the radioactive source assembly comprises a radioactive source and a radioactive source; the clamping plate slides into the groove body of the fixing seat and is clamped on the clamping part of the radioactive source so as to fix the radioactive source assembly; unscrewing the old source of radiation from the radiation source using a source handling tool; installing a new source of radiation to the source using a source handling tool; the clamping plate slides out of the groove body of the fixing seat so as to release the radioactive source assembly. By utilizing the disassembly and assembly method of the radioactive source, workers can be prevented from closely contacting the radioactive source when disassembling and assembling the radioactive source, the operation time is short, and the operators can be prevented from being damaged by large radiation.
In one embodiment of the second aspect, the disassembly and assembly tool is transferred to a source disassembly and assembly site by using a handle, and then the disassembly and assembly operation is performed; sliding the clamping plate into or out of the groove body of the fixing seat by using a rod-shaped tool, wherein the pin is partially positioned in the slideway to limit the moving range of the clamping plate; when the old radioactive source is unscrewed from the radioactive source, a heat gun is placed on the support, and hot air blown by the heat gun is used for melting the fixing glue between the radioactive source and the radioactive source. Through this embodiment, the handle is favorable to the transport of dismouting frock, and the setting of pin is favorable to avoiding the drop of cardboard, and the support is favorable to fixed heat gun.
In a third aspect, the present application further provides a method for assembling and disassembling a sealing ring by using the assembly and disassembly tool for a radioactive source and a sealing ring according to the first aspect and any embodiment thereof, wherein when the sealing ring is assembled and disassembled, the clamping plate is clamped on the clamping part of the radioactive source so as to prevent the radioactive source from moving. By utilizing the disassembly and assembly method of the sealing ring, workers can be prevented from closely contacting the radioactive source when disassembling and assembling the sealing ring, the operation time is short, and the operators can be prevented from being damaged by larger radiation.
In one embodiment of the third aspect, the method of disassembly includes sleeving a new sealing ring at the receiving groove of the mounting cylinder; the mounting cylinder is partially arranged in the blind groove of the fixing seat; the clamping plate slides out of the groove body of the fixing seat; placing the radioactive source assembly into the through hole of the fixing seat; the clamping plate slides into the groove body of the fixing seat and is clamped on the clamping part of the radioactive source so as to fix the radioactive source assembly; cutting off the old sealing ring; transferring the new sealing ring from the accommodating groove of the mounting cylinder to the radioactive source assembly; the clamping plate slides out of the groove body of the fixing seat so as to release the radioactive source assembly. Through this embodiment, provided the step that utilizes this dismouting frock dismouting sealing washer, realized avoiding staff closely to contact the radiation source when the dismouting sealing washer, operating time is short, can alone operate, is favorable to avoiding operating personnel to receive great radiation injury.
Compared with the prior art, the radiation source and the disassembly tool and disassembly method of the sealing ring of the radiation source have the following beneficial effects.
1. By utilizing the disassembly and assembly tool, the close contact of workers with the radioactive source is avoided, the operation time is short, the operation can be performed by one person, and the operators are prevented from being damaged by larger radiation.
2. The base is made of boron-containing polyethylene material and can shield part of the radiation.
3. The pin can avoid the falling of the clamping plate.
4. The blind groove plays a limiting role on the mounting cylinder, and the mounting cylinder is prevented from tilting or deviating from the mounting position.
The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present application can be achieved.
Drawings
The application will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings, in which:
fig. 1 shows a schematic perspective view of a disassembly tool according to an embodiment of the application;
FIG. 2 is a schematic top view of a disassembly tool according to an embodiment of the application;
FIG. 3 shows a schematic cross-sectional view of a disassembly tool according to an embodiment of the application;
FIG. 4 is a schematic cross-sectional view of a disassembly tool according to an embodiment of the application, wherein the clamping plate is positioned at the leftmost clamping position;
FIG. 5 is a schematic cross-sectional view of a disassembly tool according to an embodiment of the application, wherein the clamping plate is located at a rightmost release position;
FIG. 6 shows a schematic cross-sectional view of a disassembly tool for disassembly of a seal ring according to an embodiment of the application;
FIG. 7 is a schematic view showing the structure of a card board according to an embodiment of the application;
FIG. 8 is a schematic view showing a structure of a fixing base according to an embodiment of the present application;
fig. 9 shows a schematic structural view of a mounting cylinder according to an embodiment of the present application.
List of reference numerals:
1-a fixed seat; 2-a groove body; 3-a base; 4-blind holes; 5-sliding grooves; 6-clamping plates; 7-opening; 8-a slideway; 9-pins; 10-blind groove; 11-a mounting cylinder; 12-a receiving groove; 15-handle; 16-a receiving groove; 17-a bracket; 18-a radioactive source; 19-source of radioactive source; 20-sealing rings.
In the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Detailed Description
The application will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, this embodiment provides a disassembly and assembly tool for a radioactive source 19 and a sealing ring 20 thereof, the disassembly and assembly tool includes: the fixing seat 1 is provided with a through hole for accommodating a radioactive source 18 and a groove body 2 for accommodating the clamping plate 6; the base 3 is provided with a blind hole 4 for accommodating the fixing seat 1 and a chute 5 for accommodating the clamping plate 6; the chute 5 is positioned on the top surface of the base 3; the clamping plate 6 can slide into or slide out of the groove body 2 along the sliding groove 5 to be clamped with or away from the radioactive source 18 so as to fix or release the radioactive source 18, and an opening 7 is formed in the clamping plate 6 and used for clamping the radioactive source 18.
The base 3 is provided with a blind hole 4 for accommodating the fixing seat 1 and a chute 5 for sliding the clamping plate 6. The blind hole 4 is located at the middle part of the base 3, and the opening of the blind hole 4 is located at the top surface of the base 3. The chute 5 is also located in the middle of the base 3 and partially coincides with the blind hole 4. The opening of the chute 5 is positioned on the top surface of the base 3, thereby facilitating the staff to control the position of the clamping plate 6 by utilizing the opening of the chute 5.
Specifically, a worker can push the clamping plate 6 to slide along the sliding groove 5 through the opening of the sliding groove 5 by using a rod-shaped tool so that the clamping plate 6 slides into or slides out of the groove body 2 of the fixing seat 1.
More specifically, the blind hole 4 has a length and a width of 70 mm and a depth of 112 mm, which are adapted to the holder 1.
As shown in fig. 8, the fixing base 1 is provided with a through hole for accommodating the radioactive source 18 and a groove body 2 for receiving the clamping plate 6. The groove body 2 penetrates through the fixing seat 1, and the width of the clamping plate 6 is slightly smaller than that of the groove body 2. The through holes partially coincide with the tank body 2. The through hole is divided into an upper part and a lower part by the groove body 2.
Specifically, the upper portion of the through hole had a diameter of 38 mm and a depth of 5 mm. The width of the groove body 2 is 60 mm, the groove body 2 penetrates through the fixing seat 1, and the height of the groove body 2 is 12 mm. The lower portion of the through hole had a diameter of 28 mm and a depth of 121 mm. The inner wall of the lower portion of the through-hole is adapted to engage the outer wall of the source 18 and the inner wall of the upper portion of the through-hole is adapted to engage the outer wall of the source 19.
The clamping plate 6 can slide into or slide out of the groove body 2 along the sliding groove 5 so as to be clamped with or away from the radioactive source 18, so that the radioactive source 18 is fixed or released, and the clamping plate 6 is provided with an opening 7 for clamping the radioactive source 18. The portion of the radiation source 18 that engages the card 6 is an engaging portion having a regular hexagonal cross section with dimensions slightly smaller than the dimensions of the radiation source 18 and the radiation source on the upper and lower sides thereof. The clamping part is a hexagonal clamping part at the joint of the radioactive source 19 and the radioactive source 18. The clamping plate 6 is provided with an opening 7 of the clamping plate 6, and the size of the clamping part is slightly smaller than the minimum width of the opening 7 of the clamping plate 6 so as to realize clamping and fixing.
The radioactive source 18 or the radioactive source assembly can be clamped and fixed by the clamping plate 6, so that the radioactive source 18 or the radioactive source assembly is fixed when the radioactive source 19 and the sealing ring 20 are dismounted, and the radioactive source assembly is prevented from moving, so that the function of assisting dismounting is realized.
Because the clamping plate 6 can be clamped and fixed with the radioactive source 18 or the radioactive source assembly, the short-distance contact of workers with the radioactive source 18 is avoided, the operation time is short, the operation can be performed by one person, and the operators are prevented from being damaged by larger radiation.
By utilizing the disassembly and assembly tool, the close contact of the working personnel with the radioactive source 18 is avoided, the operation time is short, the operation can be performed by one person, and the operation personnel is prevented from being damaged by larger radiation.
In one embodiment, as shown in fig. 7, two slide ways 8 are provided on the clamping plate 6; two pins 9 are arranged on the fixed seat 1, the two pins 9 are in one-to-one correspondence with the two slide ways 8, and the pins 9 are partially positioned in the slide ways 8 to limit the moving range of the clamping plate 6; the opening 7 of the clamping plate 6 is sequentially reduced from the edge of the clamping plate 6 to the top end of the opening 7, and the size of the top end of the opening 7 is matched with the size of the clamping part of the radioactive source 18.
Two pins 9 are inserted into the holder 1 from the top surface of the holder 1 into the slide 8. Two pins 9 are in one-to-one correspondence with the two slides 8, the pins 9 being located partly in the slides 8 to limit the range of movement of the card 6.
When the opening 7 of the clamping plate 6 is positioned on the right side of the clamping plate 6, as shown in fig. 4, the clamping plate 6 moves rightwards to be clamped with the clamping part, and at the moment, the pin 9 is positioned at the leftmost end of the slideway 8; as shown in fig. 5, the radiation source 18 or radiation source assembly is released when the card 6 moves to the left to the far left, with the pin 9 at the far right end of the slideway 8. The pins 9 limit the two ends of the moving range of the clamping plate 6, so that the clamping plate 6 is prevented from falling off.
The side length of the cross section square of the clamping part is 14 mm. The opening 7 of the clamping plate 6 is sequentially reduced from the edge of the clamping plate 6 to the top end of the opening 7, and the width of the top end of the opening 7 is 15 mm, so that the clamping plate 6 can be clamped with the clamping part.
With this embodiment, the card 6 can be prevented from falling off, and the card 6 can be smoothly engaged with the engaging portion of the radiation source 18 or the radiation source assembly.
In one embodiment, as shown in fig. 8, a blind groove 10 is formed on the top surface of the fixing base 1 for partially accommodating the mounting cylinder 11, and the blind groove 10 is formed on the side wall of the through hole.
The opening of the blind groove 10 is positioned on the top surface of the fixed seat 1. The mounting cylinder 11 can be partially inserted into the blind groove 10, and the blind groove 10 plays a limiting role on the mounting cylinder 11, so that the mounting cylinder 11 is prevented from tilting or deviating from the mounting position.
With this embodiment, the blind slot 10 serves as a limit for the mounting cylinder 11, preventing the mounting cylinder 11 from tipping or deviating from the mounting position.
In one embodiment, as shown in fig. 9, a receiving groove 12 is formed at the top of the mounting cylinder 11, and the receiving groove 12 is used to store the sealing ring 20.
The accommodating groove 12 is formed on the top surface of the mounting cylinder 11 and is a circle of notch along the circumferential direction of the mounting cylinder 11. The opening of the receiving groove 12 includes two parts, one part being located at the top surface of the mounting cylinder 11 and one part being located at the side wall of the mounting cylinder 11. The seal ring 20 enters or exits the receiving groove 12 through an opening of the receiving groove 12.
When the seal ring 20 is assembled and disassembled, a new seal ring 20 is positioned in the accommodating groove 12, the accommodating groove 12 is positioned below the old seal ring 20, the old seal ring 20 is cut off, and the new seal ring 20 can be moved up to the installation position by a tool.
With this embodiment, it is facilitated to mount a new seal ring 20 from the receiving groove 12 to its mounting position.
In one embodiment, as shown in FIG. 1, a handle 15 is mounted on the base 3; the base 3 is provided with a receiving groove 16 for the mounting cylinder 11; as shown in fig. 2 to 6, the base 3 is further provided with a bracket 17, and the bracket 17 is used for supporting a heat gun, and the heat gun is used for melting the fixing glue between the radiation source 18 and the radiation source 19.
The handle 15 includes stand and handle, and the handle is fixed at the top of stand for the staff is handheld, makes things convenient for the transport of dismouting frock.
The base 3 is provided with the receiving groove 16 for the mounting cylinder 11, and the receiving groove 16 is used for receiving the mounting cylinder 11 when the mounting cylinder 11 is not in use, thereby being beneficial to avoiding the loss of the mounting cylinder 11.
The base 3 is also provided with a bracket 17, the bracket 17 is used for supporting a heat gun, and the heat gun is used for melting fixing glue between the radioactive source 18 and the radioactive source 19. The bracket 17 is U-shaped, the opening is upward, and the heat gun can be fixed in the opening, so that the heat gun can be conveniently fixed.
Through this embodiment, handle 15 is favorable to the transport of dismouting frock, and storage tank 16 is favorable to avoiding the loss of installation section of thick bamboo 11, and support 17 is favorable to fixed heat gun.
In one embodiment, the base 3 is constructed of a boron-containing polyethylene material and the anchor 1 and the card 6 are constructed of a stainless steel material.
The radiation source 18 of the present embodiment is a neutron radiation source 18. The boron-containing polyethylene has the characteristics of high hydrogen content and capability of shielding neutron rays, is light in weight, is convenient to carry and is favorable for shielding part radiation rays by the dismounting tool.
The fixing seat 1 and the clamping plate 6 are made of stainless steel materials, have strong mechanical strength and are favorable for long-term repeated use.
According to the embodiment, the base 3 is made of a boron-containing polyethylene material and can shield part of radiation rays, the fixing seat 1 and the clamping plate 6 are made of stainless steel materials, and the mechanical strength is high, so that long-term repeated use is facilitated.
The present embodiment also provides a method for disassembling and assembling the radioactive source 19 by using the disassembly and assembly tool for the radioactive source 19 and the sealing ring 20 thereof, the disassembly and assembly method includes the following steps: the clamping plate 6 slides out of the groove body 2 of the fixed seat 1; placing a radioactive source assembly into the through hole of the fixing seat 1, wherein the radioactive source assembly comprises a radioactive source 18 and a radioactive source 19; the clamping plate 6 slides into the groove body 2 of the fixing seat 1 and is clamped on the clamping part of the radioactive source 18 so as to fix the radioactive source assembly; unscrewing the old source 19 from the source 18 using a source handling tool; using a source handling tool, a new source 19 is installed at the source 18; the clamping plate 6 slides out of the groove body 2 of the fixing seat 1 to release the radioactive source assembly.
By utilizing the disassembly and assembly method of the radioactive source 19, workers can be prevented from closely contacting the radioactive source 18 when disassembling and assembling the radioactive source 19, the operation time is short, and the operators can be prevented from being damaged by large radiation.
In one embodiment, the handle 15 is used to transfer the disassembly tool to the disassembly place of the radioactive source 19 and then to perform disassembly operation; the clamping plate 6 slides into or out of the groove body 2 of the fixed seat 1 by using a rod-shaped tool, and the pin 9 is partially positioned in the slideway 8 to limit the moving range of the clamping plate 6; when the old radioactive source 19 is unscrewed from the radioactive source 18, a heat gun is placed on the stand 17 and the hot air blown by the heat gun is used to melt the fixing glue between the radioactive source 18 and the radioactive source 19.
Through this embodiment, handle 15 is favorable to the transport of dismouting frock, and the setting of pin 9 is favorable to avoiding the drop of cardboard 6, and support 17 is favorable to fixed heat gun.
The present embodiment also provides a method for assembling and disassembling the seal ring 20 by using the assembly and disassembly tool for the source 19 and the seal ring 20, wherein the clamp 6 is engaged with the engaging portion of the radiation source 18 to prevent the radiation source 18 from moving when the seal ring 20 is assembled and disassembled.
By utilizing the disassembly and assembly method of the sealing ring 20, workers can be prevented from closely contacting the radioactive source 18 when disassembling and assembling the sealing ring 20, the operation time is short, and the operators can be prevented from being damaged by larger radiation.
In one embodiment, as shown in fig. 6, the method of disassembly includes fitting a new seal ring 20 around the receiving groove 12 of the mounting cylinder 11; the mounting cylinder 11 is partially placed in the blind groove 10 of the fixed seat 1; the clamping plate 6 slides out of the groove body 2 of the fixed seat 1; placing the radioactive source assembly into the through hole of the fixed seat 1; the clamping plate 6 slides into the groove body 2 of the fixing seat 1 and is clamped on the clamping part of the radioactive source 18 so as to fix the radioactive source assembly; cutting off the old sealing ring 20; transferring a new seal ring 20 from the accommodating groove 12 of the mounting barrel 11 to the seal ring accommodating groove on the radioactive source assembly; the clamping plate 6 slides out of the groove body 2 of the fixing seat 1 to release the radioactive source assembly.
Through this embodiment, the step that utilizes this dismouting frock dismouting sealing washer 20 has been given, has realized avoiding staff closely to contact radiation source 18 when dismouting sealing washer 20, and operating time is short, can alone operate, is favorable to avoiding operating personnel to receive great radiation injury.
Example 1
As shown in fig. 1 to 6, this embodiment provides a disassembly and assembly tool for a radioactive source 19 and a sealing ring 20 thereof, the disassembly and assembly tool includes: the fixing seat 1 is provided with a through hole for accommodating a radioactive source 18 and a groove body 2 for accommodating the clamping plate 6; the base 3 is provided with a blind hole 4 for accommodating the fixing seat 1 and a chute 5 for accommodating the clamping plate 6; the chute 5 is positioned on the top surface of the base 3; the clamping plate 6 can slide into or slide out of the groove body 2 along the sliding groove 5 to be clamped with or away from the radioactive source 18 so as to fix or release the radioactive source 18, and an opening 7 is formed in the clamping plate 6 and used for clamping the radioactive source 18.
The base 3 is provided with a blind hole 4 for accommodating the fixing seat 1 and a chute 5 for sliding the clamping plate 6. The blind hole 4 is located at the middle part of the base 3, and the opening of the blind hole 4 is located at the top surface of the base 3. The chute 5 is also located in the middle of the base 3 and partially coincides with the blind hole 4. The opening of the chute 5 is positioned on the top surface of the base 3, thereby facilitating the staff to control the position of the clamping plate 6 by utilizing the opening of the chute 5.
Specifically, a worker can push the clamping plate 6 to slide along the sliding groove 5 through the opening of the sliding groove 5 by using a rod-shaped tool so that the clamping plate 6 slides into or slides out of the groove body 2 of the fixing seat 1.
More specifically, the blind hole 4 has a length and a width of 70 mm and a depth of 112 mm, which are adapted to the holder 1.
The fixing seat 1 is provided with a through hole for accommodating the radioactive source 18 and a groove body 2 for accommodating the clamping plate 6. The groove body 2 penetrates through the fixing seat 1, and the width of the clamping plate 6 is slightly smaller than that of the groove body 2. The through holes partially coincide with the tank body 2. The through hole is divided into an upper part and a lower part by the groove body 2.
Specifically, the upper portion of the through hole had a diameter of 38 mm and a depth of 5 mm. The width of the groove body 2 is 60 mm, the groove body 2 penetrates through the fixing seat 1, and the height of the groove body 2 is 12 mm. The lower portion of the through hole had a diameter of 28 mm and a depth of 121 mm. The inner wall of the lower portion of the through-hole is adapted to engage the outer wall of the source 18 and the inner wall of the upper portion of the through-hole is adapted to engage the outer wall of the source 19.
The clamping plate 6 can slide into or slide out of the groove body 2 along the sliding groove 5 so as to be clamped with or away from the radioactive source 18, so that the radioactive source 18 is fixed or released, and the clamping plate 6 is provided with an opening 7 for clamping the radioactive source 18. The portion of the radiation source 18 that engages the card 6 is an engagement portion having a square cross-section with dimensions slightly smaller than the dimensions of the radiation source 18 and the radiation source 18 head on the upper and lower sides. The clamping plate 6 is provided with an opening 7 of the clamping plate 6, and the size of the clamping part is slightly smaller than the minimum width of the opening 7 of the clamping plate 6 so as to realize clamping and fixing.
The radioactive source 18 or the radioactive source assembly can be clamped and fixed by the clamping plate 6, so that the radioactive source 18 or the radioactive source assembly is fixed when the radioactive source 19 and the sealing ring 20 are dismounted, and the radioactive source assembly is prevented from moving, so that the function of assisting dismounting is realized.
Because the clamping plate 6 can be clamped and fixed with the radioactive source 18 or the radioactive source assembly, the short-distance contact of workers with the radioactive source 18 is avoided, the operation time is short, the operation can be performed by one person, and the operators are prevented from being damaged by larger radiation.
By utilizing the disassembly and assembly tool, the close contact of the working personnel with the radioactive source 18 is avoided, the operation time is short, the operation can be performed by one person, and the operation personnel is prevented from being damaged by larger radiation.
Example two
In this embodiment, as shown in fig. 7, two slide ways 8 are provided on the clamping plate 6; two pins 9 are arranged on the fixed seat 1, the two pins 9 are in one-to-one correspondence with the two slide ways 8, and the pins 9 are partially positioned in the slide ways 8 to limit the moving range of the clamping plate 6; the opening 7 of the clamping plate 6 is sequentially reduced from the edge of the clamping plate 6 to the top end of the opening 7, and the size of the top end of the opening 7 is matched with the size of the clamping part of the radioactive source 18.
Two pins 9 are inserted into the holder 1 from the top surface of the holder 1 into the slide 8. Two pins 9 are in one-to-one correspondence with the two slides 8, the pins 9 being located partly in the slides 8 to limit the range of movement of the card 6.
When the opening 7 of the clamping plate 6 is positioned on the right side of the clamping plate 6, the clamping plate 6 moves rightwards to be clamped with the clamping part, and at the moment, the pin 9 is positioned at the leftmost end of the slideway 8; when the card 6 is moved to the left to the far left, the radioactive source 18 or source assembly is released, with the pin 9 at the far right end of the slideway 8. The pins 9 limit the two ends of the moving range of the clamping plate 6, so that the clamping plate 6 is prevented from falling off.
The side length of the cross section square of the clamping part is 14 mm. The opening 7 of the clamping plate 6 is sequentially reduced from the edge of the clamping plate 6 to the top end of the opening 7, and the width of the top end of the opening 7 is 15 mm, so that the clamping plate 6 can be clamped with the clamping part.
A blind groove 10 is formed in the top surface of the fixing seat 1 and is used for partially accommodating the mounting cylinder 11, and the blind groove 10 is formed in the side wall of the through hole. The opening of the blind groove 10 is positioned on the top surface of the fixed seat 1. The mounting cylinder 11 can be partially inserted into the blind groove 10, and the blind groove 10 plays a limiting role on the mounting cylinder 11, so that the mounting cylinder 11 is prevented from tilting or deviating from the mounting position. The blind groove 10 plays a limiting role on the mounting cylinder 11, and prevents the mounting cylinder 11 from tilting or deviating from the mounting position.
The top of the mounting cylinder 11 is formed with a receiving groove 12, and the receiving groove 12 is used for storing the seal ring 20. The accommodating groove 12 is formed on the top surface of the mounting cylinder 11 and is a circle of notch along the circumferential direction of the mounting cylinder 11. The opening of the receiving groove 12 includes two parts, one part being located at the top surface of the mounting cylinder 11 and one part being located at the side wall of the mounting cylinder 11. The seal ring 20 enters or exits the receiving groove 12 through an opening of the receiving groove 12. When the seal ring 20 is assembled and disassembled, a new seal ring 20 is positioned in the accommodating groove 12, the accommodating groove 12 is positioned below the old seal ring 20, the old seal ring 20 is cut off, and the new seal ring 20 can be moved up to the installation position by a tool, so that the new seal ring 20 is favorably installed from the accommodating groove 12 to the installation position.
The base 3 is provided with a handle 15; the base 3 is provided with a receiving groove 16 for the mounting cylinder 11; the base 3 is also provided with a bracket 17, the bracket 17 is used for supporting a heat gun, and the heat gun is used for melting fixing glue between the radioactive source 18 and the radioactive source 19.
The handle 15 includes stand and handle, and the handle is fixed at the top of stand for the staff is handheld, makes things convenient for the transport of dismouting frock.
The base 3 is provided with the receiving groove 16 for the mounting cylinder 11, and the receiving groove 16 is used for receiving the mounting cylinder 11 when the mounting cylinder 11 is not in use, thereby being beneficial to avoiding the loss of the mounting cylinder 11.
The base 3 is also provided with a bracket 17, the bracket 17 is used for supporting a heat gun, and the heat gun is used for melting fixing glue between the radioactive source 18 and the radioactive source 19. The bracket 17 is U-shaped, the opening is upward, and the heat gun can be fixed in the opening, so that the heat gun can be conveniently fixed.
The handle 15 is favorable to the transport of dismouting frock, and the storage tank 16 is favorable to avoiding the loss of installation section of thick bamboo 11, and support 17 is favorable to fixed heat gun.
The base 3 is made of boron-containing polyethylene material, and the fixing seat 1 and the clamping plate 6 are made of stainless steel material.
The radiation source 18 of this embodiment is a neutron radiation source 18. The boron-containing polyethylene has the characteristics of high hydrogen content and capability of shielding neutron rays, is light in weight, is convenient to carry and is favorable for shielding part radiation rays by the dismounting tool.
The fixing seat 1 and the clamping plate 6 are made of stainless steel materials, have strong mechanical strength and are favorable for long-term repeated use.
The base 3 is made of boron-containing polyethylene material, can shield part of radiation rays, and the fixing seat 1 and the clamping plate 6 are made of stainless steel material, so that the mechanical strength is high, and long-term repeated use is facilitated.
Example III
The embodiment also provides a method for disassembling and assembling the radioactive source 19 by using the disassembly and assembly tool for the radioactive source 19 and the sealing ring 20 thereof, which comprises the following steps: firstly, using a handle 15 to transfer the disassembly and assembly tool to a disassembly and assembly place of a radioactive source 19, and then performing disassembly and assembly operation; the clamping plate 6 slides out of the groove body 2 of the fixed seat 1; placing a radioactive source assembly into the through hole of the fixing seat 1, wherein the radioactive source assembly comprises a radioactive source 18 and a radioactive source 19; the clamping plate 6 slides into the groove body 2 of the fixing seat 1 and is clamped on the clamping part of the radioactive source 18 so as to fix the radioactive source assembly; unscrewing the old source 19 from the source 18 using a source handling tool; using a source handling tool, a new source 19 is installed at the source 18; the clamping plate 6 slides out of the groove body 2 of the fixing seat 1 to release the radioactive source assembly. Wherein, when the clamping plate 6 slides into or out of the groove body 2 of the fixing seat 1, a worker pushes the clamping plate 6 to slide by using a rod-shaped tool, and the pin 9 is partially positioned in the slideway 8 to limit the moving range of the clamping plate 6. When the old radioactive source 19 is unscrewed from the radioactive source 18, a heat gun is placed on the stand 17 and the hot air blown by the heat gun is used to melt the fixing glue between the radioactive source 18 and the radioactive source 19.
By utilizing the disassembly and assembly method of the radioactive source 19, workers can be prevented from closely contacting the radioactive source 18 when disassembling and assembling the radioactive source 19, the operation time is short, and the operators can be prevented from being damaged by large radiation.
Example IV
The embodiment also provides a method for disassembling and assembling the sealing ring 20 by using the assembly and disassembly tool of the radioactive source 19 and the sealing ring 20 thereof, wherein the disassembly and assembly method comprises the steps of sleeving a new sealing ring 20 at the accommodating groove 12 of the mounting cylinder 11; as shown in fig. 6, the mounting cylinder 11 is partially placed in the blind slot 10 of the fixing base 1; the clamping plate 6 slides out of the groove body 2 of the fixed seat 1; placing the radioactive source assembly into the through hole of the fixed seat 1; the clamping plate 6 slides into the groove body 2 of the fixing seat 1 and is clamped on the clamping part of the radioactive source 18 so as to fix the radioactive source assembly; cutting off the old sealing ring 20; transferring a new seal ring 20 from the receiving groove 12 of the mounting cylinder 11 to the radiation source assembly; the clamping plate 6 slides out of the groove body 2 of the fixing seat 1 to release the radioactive source assembly.
By utilizing the disassembly and assembly method of the sealing ring 20, workers can be prevented from closely contacting the radioactive source 18 when disassembling and assembling the sealing ring 20, the operation time is short, and the operators can be prevented from being damaged by larger radiation.
In the description of the present application, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.
Although the application herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present application as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.

Claims (7)

1. The utility model provides a dismouting frock of radiation source head and sealing washer thereof which characterized in that includes:
the fixing seat is provided with a through hole for accommodating the radioactive source and a groove body for accommodating the clamping plate;
the base is provided with a blind hole for accommodating the fixing seat and a chute for accommodating the clamping plate; the sliding groove is positioned on the top surface of the base;
the clamping plate can slide into or slide out of the groove body along the sliding groove so as to be clamped or far away from the radioactive source, so that the radioactive source is fixed or released, and an opening is formed in the clamping plate and used for clamping the radioactive source;
two slide ways are arranged on the clamping plate; the fixed seat is provided with two pins, the two pins are in one-to-one correspondence with the two slide ways, and the pins are partially positioned in the slide ways to limit the moving range of the clamping plate;
the opening of the clamping plate is sequentially reduced from the edge of the clamping plate to the top end of the opening, and the size of the top end of the opening is matched with the size of the clamping part of the radioactive source;
and a blind groove is formed in the top surface of the fixing seat and used for partially accommodating the mounting cylinder, and the blind groove is formed in the side wall of the through hole.
2. The radiation source head and seal ring disassembly tool according to claim 1, wherein a containing groove is formed in the top of the mounting cylinder, and the containing groove is used for storing the seal ring.
3. The radiation source and disassembly tool for the sealing ring of the radiation source according to claim 1, wherein a handle is arranged on the base; the base is provided with a storage groove for the mounting barrel; the base is also provided with a support, the support is used for supporting a heat gun, and the heat gun is used for melting fixing glue between the radioactive source and the radioactive source.
4. The radiation source head and seal ring disassembly tool according to claim 1, wherein the base is made of boron-containing polyethylene material, and the fixing base and the clamping plate are made of stainless steel material.
5. A method for disassembling a radioactive source by using the disassembly tool for the radioactive source and the sealing ring thereof according to claim 3, which is characterized by comprising the following steps,
the clamping plate slides out of the groove body of the fixing seat;
placing a radioactive source assembly into the through hole of the fixing seat, wherein the radioactive source assembly comprises a radioactive source and a radioactive source;
the clamping plate slides into the groove body of the fixing seat and is clamped on the clamping part of the radioactive source so as to fix the radioactive source assembly;
unscrewing the old source of radiation from the radiation source using a source handling tool;
installing a new source of radiation to the source using a source handling tool;
the clamping plate slides out of the groove body of the fixing seat so as to release the radioactive source assembly.
6. The method according to claim 5, wherein the disassembling and assembling work is performed after the disassembling and assembling tool is transferred to a disassembling and assembling place of the radioactive source by using a handle;
sliding the clamping plate into or out of the groove body of the fixing seat by using a rod-shaped tool, wherein the pin is partially positioned in the slideway to limit the moving range of the clamping plate;
when the old radioactive source is unscrewed from the radioactive source, a heat gun is placed on the support, and hot air blown by the heat gun is used for melting the fixing glue between the radioactive source and the radioactive source.
7. A method for assembling and disassembling a seal ring by using the radiation source head and the assembly and disassembly tool of the seal ring of the radiation source head according to claim 2, wherein the clamping plate is clamped on the clamping part of the radiation source to prevent the radiation source from moving when the seal ring is assembled and disassembled;
comprises the steps of,
sleeving a new sealing ring at the accommodating groove of the mounting cylinder;
the mounting cylinder is partially arranged in the blind groove of the fixing seat;
the clamping plate slides out of the groove body of the fixing seat;
placing the radioactive source assembly into the through hole of the fixing seat;
the clamping plate slides into the groove body of the fixing seat and is clamped on the clamping part of the radioactive source so as to fix the radioactive source assembly;
cutting off the old sealing ring;
transferring the new sealing ring from the accommodating groove of the mounting cylinder to the radioactive source assembly;
the clamping plate slides out of the groove body of the fixing seat so as to release the radioactive source assembly.
CN202210141991.XA 2022-02-16 2022-02-16 Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head Active CN114643549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210141991.XA CN114643549B (en) 2022-02-16 2022-02-16 Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210141991.XA CN114643549B (en) 2022-02-16 2022-02-16 Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head

Publications (2)

Publication Number Publication Date
CN114643549A CN114643549A (en) 2022-06-21
CN114643549B true CN114643549B (en) 2023-12-12

Family

ID=81993417

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210141991.XA Active CN114643549B (en) 2022-02-16 2022-02-16 Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head

Country Status (1)

Country Link
CN (1) CN114643549B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105957571A (en) * 2016-07-14 2016-09-21 北京华力兴科技发展有限责任公司 Radioactive source conveying device, locking device, working container and source guiding equipment thereof
CN208954644U (en) * 2018-09-26 2019-06-07 中国工程物理研究院核物理与化学研究所 A kind of upside-down mounting tooling of radioactive source
CN110142585A (en) * 2019-06-04 2019-08-20 北京聚惠云端科技有限公司 A kind of automatic installation and replacement device of logging radiation-resource
CN212659317U (en) * 2020-01-19 2021-03-05 北京树诚科技发展有限公司 Radioactive source casing for well logging
CN113180833A (en) * 2021-04-28 2021-07-30 珠海横乐医学科技有限公司 Robot docking device and medical robot

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105957571A (en) * 2016-07-14 2016-09-21 北京华力兴科技发展有限责任公司 Radioactive source conveying device, locking device, working container and source guiding equipment thereof
CN208954644U (en) * 2018-09-26 2019-06-07 中国工程物理研究院核物理与化学研究所 A kind of upside-down mounting tooling of radioactive source
CN110142585A (en) * 2019-06-04 2019-08-20 北京聚惠云端科技有限公司 A kind of automatic installation and replacement device of logging radiation-resource
CN212659317U (en) * 2020-01-19 2021-03-05 北京树诚科技发展有限公司 Radioactive source casing for well logging
CN113180833A (en) * 2021-04-28 2021-07-30 珠海横乐医学科技有限公司 Robot docking device and medical robot

Also Published As

Publication number Publication date
CN114643549A (en) 2022-06-21

Similar Documents

Publication Publication Date Title
CN114643549B (en) Radioactive source head, dismounting tool and dismounting method for sealing ring of radioactive source head
KR100777435B1 (en) Lighting system for hot cell
EP1801024A2 (en) Improved apparatus for safe storage of fluorescent light tubes
CN210119155U (en) Directional positioning fastener for sighting telescope
CN110997224A (en) Method and device for providing screws
RU2729008C1 (en) Weapon magazine replacement device
US5343607A (en) Gasket and snap ring installation tool
CN113478108B (en) Cambered surface cutting machine for laser cutting of metal sheet surface
CN115302041A (en) Multifunctional cutting device
CN105108480A (en) Copper pipe clamping device
CN213135654U (en) Frock clamp for welding
CN210577613U (en) Novel power cable is with solidus device
GB2475613A (en) Light cover release system
CN220793015U (en) Lighting device is used in mining engineering specialty
CN220516592U (en) Mounting fixture for machine-building
CN210535260U (en) Advertising lamp box
CN210914188U (en) Clamp loading attachment
CN220833920U (en) Fire extinguisher case convenient to change fire extinguisher
CN213888856U (en) Positioning equipment for welding elements
CN218175155U (en) Clamp apparatus
CN219348781U (en) Battery pole piece flaw detection equipment capable of realizing automatic adjustment of detection position
CN212107939U (en) Elevator dimension that conveniently carries uses lighting device
CN211044765U (en) Middle school student burns chemical reaction experimental apparatus with magnesium area
CN219997669U (en) Gas alarm convenient to installation
CN214477246U (en) Fuse jump ring subassembly assemble device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant