CN209401321U - A kind of device for realizing the unlock of control rod drive rod - Google Patents
A kind of device for realizing the unlock of control rod drive rod Download PDFInfo
- Publication number
- CN209401321U CN209401321U CN201822158143.1U CN201822158143U CN209401321U CN 209401321 U CN209401321 U CN 209401321U CN 201822158143 U CN201822158143 U CN 201822158143U CN 209401321 U CN209401321 U CN 209401321U
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- China
- Prior art keywords
- drive rod
- sliding sleeve
- gripper
- mounting base
- unlock
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- 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
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Abstract
The utility model relates to nuclear power service technique fields, specifically disclose a kind of device for realizing the unlock of control rod drive rod.The device includes master cylinder, auxiliary cylinder, driving head, inner sliding sleeve and mounting base, wherein master cylinder lower end piston motion axis is connected with driving head, and driving head is driven to move up and down；Mounting base and auxiliary cylinder are mounted on flanged plate, can control the claw in mounting base to open or shrink by auxiliary cylinder, realize that the crawl to drive rod unit with grooves in outer wall part controls；It is equipped with inner sliding sleeve in mounting base, and is equipped with insertion piece and gripper on inner sliding sleeve, insertion piece can strut the c-type snap ring in drive rod, move up and down the grappling fixture that crawl or release drive rod are caught in control by driving head.The apparatus structure is simple, reliably, can realize the unlock and connection of control rod drive rod and C&P systems at a distance；Meanwhile the unlock situation of drive rod and control rod can be shown by the location means of indicating arm.
Description
Technical field
The invention belongs to nuclear power service technique fields, and in particular to a kind of device for realizing the unlock of control rod drive rod.
Background technique
After removal reactor pressure vessels top cover, specific purpose tool need to be used to disconnect control rod drive rod and control rod by group
Connection between component is prepared for disassembly upper-part in-reactor component；After returning dress upper-part in-reactor component, the tool is equally used
Drive rod and C&P systems are linked together, prepared for encapsulated reaction heap；The structure of the object to be operated -- drive rod is such as
Shown in Fig. 1: a grappling fixture is arranged at removal rod top, is connect by removal rod with bottom chock plug, detachable fitting under the action of the spring
Lock is in deployed position, and when grabbing grappling fixture and promoting removal rod, chock plug is promoted, then the disengagable connection with C&P systems.It is driving
There are also a c-type snap rings at the top of lever, can limit grappling fixture and move up, only strut c-type snap ring, can just promote grappling fixture and make
Drive rod and C&P systems unlock.
Summary of the invention
The purpose of the present invention is to provide a kind of devices for realizing the unlock of control rod drive rod, can remotely realize control
Unlock and connection between stick drive rod and control rod.
Technical scheme is as follows: it is a kind of realize control rod drive rod unlock device, the device include master cylinder,
Auxiliary cylinder, driving head, inner sliding sleeve and mounting base, wherein master cylinder lower end piston motion axis is connected with driving head, and drives
Driving head moves up and down；Mounting base and auxiliary cylinder are mounted on flanged plate, can control the claw in mounting base by auxiliary cylinder
It opens or shrinks, realize that the crawl to drive rod unit with grooves in outer wall part controls；Inner sliding sleeve is equipped in mounting base, and on inner sliding sleeve
Equipped with insertion piece and gripper, insertion piece can strut the c-type snap ring in drive rod, move up and down control gripper by driving head and grab
Take or unclamp the grappling fixture of drive rod.
The master cylinder is mounted on the flanged plate of lower end by connection framework, master cylinder upper end piston motion axis and finger
Show that bar is connected, the position by the mobile instruction master cylinder piston kinematic axis in the position of indicating arm upper end end is mobile.
The auxiliary cylinder is mounted on the upper surface of lower end flanged plate, and the mounting base of tubular structure is mounted on lower end flanges
Piston motion axis on the lower end surface of plate, and on auxiliary cylinder is fixedly connected with the sliding sleeve covered in mounting base, is driven by auxiliary cylinder
Dynamic sliding sleeve is moved up and down along mounting base.
The mounting base side wall is provided with through-hole, and claw is fixed in the through-hole of mounting base by rotating dog, and on claw
Lower part is bulge-structure, and sliding sleeve is matched in mounting base, and through-hole is provided on sliding sleeve side wall, and makes the convex of claw top
It plays structure to be located in the through-hole of sliding sleeve side wall, when sliding sleeve moves upwards, sliding sleeve through-hole end portion contacts claw upper lobes
Structure is flared out claw lower end；When sliding sleeve moves downward, sliding sleeve through-hole end portion contacts claw lower lobes knot
Structure squeezes and makes claw lower end to contract, and fits with drive rod unit with grooves in outer wall.
The insertion piece is located at the center of inner sliding sleeve, in the insertion piece and control rod drive rod at c-type snap ring
Shape matches, and when mounting base is located on drive rod, and the insertion piece protrudes at value c-type snap ring, and c-type snap ring is supportted
It opens, releases the constraint to drive rod grappling fixture.
The gripper is circumferentially arranged in inner sliding sleeve by rotating dog, the shape of driving head lower end and gripper top
Match, and moved up and down by driving head, control gripper lower part is rotated around rotating dog.
There are three bulge-structures for tool on the gripper, and the end of driving head is adapted with the bulge-structure of gripper and position
Between the first bulge-structure and the second bulge-structure of gripper upper end, when driving head stretches out, the second bulge-structure is contacted, is grabbed
Pawl is rotated around rotating dog, is flared out the third protrusion structure of gripper lower end；When driving head is retracted with the of gripper upper end
One bulge-structure is in contact, and pushes gripper to rotate around rotating dog, and make the third protrusion structure of gripper lower end to contract.
The gripper third protrusion structure is hook shape, is matched with control rod drive rod grappling fixture groove structure.
The upper end of the indicating arm is also equipped with hanging ring, and the transhipment of whole device can be realized by hanging ring.
Remarkable result of the invention is: a kind of device for realizing the unlock of control rod drive rod of the present invention, structure
Simply, reliably, the unlock and connection of control rod drive rod and C&P systems can be realized at a distance；Meanwhile instruction can be passed through
The location means of bar show the unlock situation of drive rod and control rod.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing drive rod；
Fig. 2 is a kind of apparatus structure schematic diagram for realizing the unlock of control rod drive rod of the present invention；
Fig. 3 is the partial enlarged view of the end Fig. 2；
In figure: 1, master cylinder；2, auxiliary cylinder；3, gripper；4, sliding sleeve；5, claw；6, hanging ring；7, indicating arm；8, driving head；
9, insertion piece；10, inner sliding sleeve；11, mounting base.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 2 and Figure 3, a kind of device for realizing the unlock of control rod drive rod, including master cylinder 1, auxiliary cylinder 2, driving
First 8, inner sliding sleeve 10 and mounting base 11, wherein master cylinder 1 is mounted on the flanged plate of lower end by connection framework, on master cylinder 1
End piston motion axis is connected with indicating arm 7, passes through mobile instruction 1 piston motion of master cylinder in the position of 7 upper end end of indicating arm
The position of axis is mobile；1 lower end piston motion axis of master cylinder is connected with driving head 8, passes through the movement of 1 piston motion axis of master cylinder
Driving head 8 is driven to move up and down；Auxiliary cylinder 2 is mounted on the upper surface of lower end flanged plate, and the mounting base 11 of tubular structure is installed
Piston motion axis on the lower end surface of lower end flanged plate, and on auxiliary cylinder 2 fixes company with the sliding sleeve 4 covered in mounting base 11
It connects, drives sliding sleeve 4 to move up and down along mounting base 11 by auxiliary cylinder 2, wherein 11 side wall of mounting base is provided with through-hole, and claw 5 is logical
It crosses rotating dog to be fixed in the through-hole of mounting base 11, and 5 top and the bottom of claw are bulge-structure, sliding sleeve 4 are matched with mounting base
On 11, and it is provided with through-hole on 4 side wall of sliding sleeve, and is located at the bulge-structure on 5 top of claw in the through-hole of 4 side wall of sliding sleeve, when
When sliding sleeve 4 moves upwards, 4 through-hole end portion of sliding sleeve contacts 5 upper lobes structure of claw, is flared out 5 lower end of claw；When
When sliding sleeve 4 moves downward, 4 through-hole end portion of sliding sleeve contact 5 lower lobes structure of claw, squeeze and make 5 lower end of claw to
Contract；Inner sliding sleeve 10 is mounted on inside mounting base 11, and insertion piece 9 is fixed on inner sliding sleeve 10, wherein insertion piece 9 can
When mounting base 11 is located on drive rod, it is inserted into drive rod and struts its c-type snap ring；It is equipped on inner sliding sleeve 10
Gripper 3, several grippers 3 are installed circumferentially in inner sliding sleeve 10 by rotating dog, wherein there are three protrusions for tool on each gripper 3
Structure, and the end of driving head 8 is adapted with the bulge-structure of gripper 3 and is located at the first bulge-structure and of 3 upper end of gripper
Between two bulge-structures, when driving head 8 stretches out, the second bulge-structure is contacted, gripper 3 is rotated around rotating dog, makes 3 lower end of gripper
Third protrusion structure be flared out；It is in contact when driving head 8 is retracted with the first bulge-structure of 3 upper end of gripper, makes gripper 3
It is rotated around rotating dog, makes the third protrusion structure of 3 lower end of gripper to contract, using the hook shape of third protrusion by drive rod
Grappling fixture is caught；It is also equipped with hanging ring 6 in the upper end of indicating arm 7, the transhipment of whole device can be realized by hanging ring 6.
The specific work process of a kind of device for realizing the unlock of control rod drive rod of the present invention are as follows: make to grab before use
Pawl 3 and claw 5 are in open state, and the hanging ring 6 that suspension hook operates the device is moved to the top of drive rod, and alignment is driven
Slowly decline the device after lever, after device is located on drive rod, insertion piece 9 struts the c-type snap ring of drive rod, relieves
Constraint to drive rod grappling fixture, drive rod grappling fixture can be elevated, and then operate the state that auxiliary cylinder 2 is at stretching, sliding
Set 4 is moved down in bottom, and squeezes 5 lower end bulge-structure of claw, is closed claw 5 and is realized the crawl to drive rod,
Operation master cylinders 1 are at retracted mode later, and driving head 8 is elevated and gripper 3 is driven to be closed, and the grappling fixture of drive rod is grabbed
It takes and is promoted, drive rod can be unlocked with control rod at this time.
Claims (9)
1. a kind of device for realizing the unlock of control rod drive rod, it is characterised in that: the device includes master cylinder (1), auxiliary cylinder
(2), driving head (8), inner sliding sleeve (10) and mounting base (11), wherein master cylinder (1) lower end piston motion axis and driving head
(8) it is connected, and driving head (8) is driven to move up and down；Mounting base (11) and auxiliary cylinder (2) are mounted on flanged plate, by auxiliary
Cylinder (2) can control the claw (5) on mounting base (11) to open or shrink, and realize the crawl control to drive rod unit with grooves in outer wall part
System；Inner sliding sleeve (10) are equipped in mounting base (11), and are equipped with insertion piece (9) and gripper (3), insertion piece on inner sliding sleeve (10)
(9) the c-type snap ring in drive rod can be strutted, control gripper (3) crawl is moved up and down by driving head (8) or unclamps drive rod
Grappling fixture.
2. a kind of device for realizing the unlock of control rod drive rod according to claim 1, it is characterised in that: the main gas
Cylinder (1) is mounted on the flanged plate of lower end by connection framework, and master cylinder (1) upper end piston motion axis is connected with indicating arm (7)
It connects, the position by mobile instruction master cylinder (1) the piston motion axis in the position of indicating arm (7) upper end end is mobile.
3. a kind of device for realizing the unlock of control rod drive rod according to claim 1, it is characterised in that: the auxiliary gas
Cylinder (2) is mounted on the upper surface of lower end flanged plate, and the mounting base (11) of tubular structure is mounted on the lower end surface of lower end flanged plate
On, and the piston motion axis on auxiliary cylinder (2) is fixedly connected with the sliding sleeve (4) covered on mounting base (11), is passed through auxiliary cylinder (2)
Driving sliding sleeve (4) is moved up and down along mounting base (11).
4. a kind of device for realizing the unlock of control rod drive rod according to claim 3, it is characterised in that: the installation
Seat (11) side wall is provided with through-hole, and claw (5) is fixed in the through-hole of mounting base (11) by rotating dog, and claw (5) top and the bottom
It is bulge-structure, sliding sleeve (4) is matched on mounting base (11), and is provided with through-hole on sliding sleeve (4) side wall, and make claw
(5) bulge-structure on top is located in the through-hole of sliding sleeve (4) side wall, when sliding sleeve (4) moves upwards, sliding sleeve (4) through-hole lower end
Part contact claw (5) upper lobes structure, is flared out claw (5) lower end；When sliding sleeve (4) moves downward, sliding sleeve (4)
Through-hole end portion contact claw (5) lower lobes structure, squeeze and make claw (5) lower end to contract, and with outside drive rod
Wall groove fits.
5. a kind of device for realizing the unlock of control rod drive rod according to claim 1, it is characterised in that: the insertion
Part (9) is located at the center of inner sliding sleeve (10), the insertion piece (9) and the shape phase at c-type snap ring in control rod drive rod
Match, and when mounting base (11) is located on drive rod, the insertion piece (9) is protruded at value c-type snap ring, and c-type snap ring is supportted
It opens, releases the constraint to drive rod grappling fixture.
6. a kind of device for realizing the unlock of control rod drive rod according to claim 1, it is characterised in that: the gripper
(3) circumferentially it is arranged in inner sliding sleeve (10) by rotating dog, the shape phase of driving head (8) lower end and gripper (3) top
Match, and moved up and down by driving head (8), control gripper (3) lower part is rotated around rotating dog.
7. a kind of device for realizing the unlock of control rod drive rod according to claim 6, it is characterised in that: the gripper
(3) there are three bulge-structures for tool on, and the end of driving head (8) is adapted with the bulge-structure of gripper (3) and is located at gripper (3)
Between the first bulge-structure and the second bulge-structure of upper end, when driving head (8) are stretched out, the second bulge-structure, gripper are contacted
(3) it is rotated around rotating dog, is flared out the third protrusion structure of gripper (3) lower end；When driving head (8) retract when and gripper
(3) the first bulge-structure of upper end is in contact, and pushes gripper (3) to rotate around rotating dog, and make the third protrusion of gripper (3) lower end
Structure is to contract.
8. a kind of device for realizing the unlock of control rod drive rod according to claim 6 or 7, it is characterised in that: described
Gripper (3) third protrusion structure is hook shape, is matched with control rod drive rod grappling fixture groove structure.
9. a kind of device for realizing the unlock of control rod drive rod according to claim 2, it is characterised in that: the instruction
The upper end of bar (7) is also equipped with hanging ring (6), and the transhipment of whole device can be achieved by hanging ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158143.1U CN209401321U (en) | 2018-12-21 | 2018-12-21 | A kind of device for realizing the unlock of control rod drive rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158143.1U CN209401321U (en) | 2018-12-21 | 2018-12-21 | A kind of device for realizing the unlock of control rod drive rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401321U true CN209401321U (en) | 2019-09-17 |
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ID=67895652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822158143.1U Active CN209401321U (en) | 2018-12-21 | 2018-12-21 | A kind of device for realizing the unlock of control rod drive rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682283A (en) * | 2019-11-01 | 2020-01-14 | 中核核电运行管理有限公司 | Rotatable emergency gripping device for cobalt isotope production element |
| CN110689982A (en) * | 2019-11-01 | 2020-01-14 | 中核核电运行管理有限公司 | Emergent grabbing device of cobalt isotope rod cluster snap ring retainer ring |
| CN111354481A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Device for unlocking control rod driving rod |
-
2018
- 2018-12-21 CN CN201822158143.1U patent/CN209401321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354481A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Device for unlocking control rod driving rod |
| CN110682283A (en) * | 2019-11-01 | 2020-01-14 | 中核核电运行管理有限公司 | Rotatable emergency gripping device for cobalt isotope production element |
| CN110689982A (en) * | 2019-11-01 | 2020-01-14 | 中核核电运行管理有限公司 | Emergent grabbing device of cobalt isotope rod cluster snap ring retainer ring |
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