CN209717745U - Handle component with crawl instruction function - Google Patents
Handle component with crawl instruction function Download PDFInfo
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- CN209717745U CN209717745U CN201920390459.5U CN201920390459U CN209717745U CN 209717745 U CN209717745 U CN 209717745U CN 201920390459 U CN201920390459 U CN 201920390459U CN 209717745 U CN209717745 U CN 209717745U
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Abstract
The utility model discloses a kind of handle components with crawl instruction function, including main shaft and are connected to multiple claws of main shaft bottom, the lower end of multiple claws surrounds the clamping gap for entrapment stick；The main shaft is hollow shaft, it further include the central axis being arranged in main shaft, the central axis is for driving at least one claw to move, to change the size in the clamping gap, the central axis can slide in main shaft along own axes, and the lower end of central axis can be fallen under self gravity in the clamping gap；It further include position detecting device, the position detecting device is used for position of inspection center's axis relative to main shaft on main-shaft axis.This handle component can intuitively reflect the case where safe rod drive mechanism crawl safety rod, so that completion safety rod reloads, process is highly efficient, safe rod drive mechanism is more reliable in the process of running.
Description
Technical field
The utility model relates to technical field of nuclear power, more particularly to a kind of handle component with crawl instruction function.
Background technique
Safe rod drive mechanism (control rod drive mechanism) is important component or equipment in reactor, lower end connection peace
Full stick (control rod), such as under emergency work condition, discharging safety rod to realize reactor emergency shut-down.Normal reactor operation
When safety rod be maintained at highest point for a long time, once accident occurs, safe rod drive mechanism changes its constraint, and safety rod is quick
It is inserted into reactor core, so that reactor is realized emergency shut-down, to guarantee the safety of reactor.
Safe rod drive mechanism can be related to the problem of reloading of safety rod in use, such as in the prior art, generally
Removable head is installed in control rod drive mechanism, the removable head is detachably connected pass for connecting control rod and being formed
System, removable head constrain control rod generally by the mode of two valve elastic piece swellings, form swollen head, In between two valve elastic pieces
When completing the dismounting of control rod, corresponding operating is completed by way of above mentioning and pushing swollen head.
For the optimization design of removable head, those skilled in the art have done many explorations, such as application number in the prior art
Shown in the technical solution that provides of patent for 201410421200.4.The structure of existing safe rod drive mechanism is done further excellent
Change design to further increase its reliability, is those skilled in the art's technical problem urgently to be resolved.
Utility model content
Design is advanced optimized for the structure set forth above to existing safe rod drive mechanism to further increase
Its reliability, is those skilled in the art's technical problem urgently to be resolved, and the utility model provides a kind of with gripping finger
Show the handle component of function, this handle component can intuitively reflect the case where safe rod drive mechanism grabs safety rod, so that complete
Reloading at safety rod, process is highly efficient, safe rod drive mechanism is more reliable in the process of running.
The handle component with crawl instruction function provided by the utility model is solved the problems, such as by following technical essential:
Handle component with crawl instruction function including main shaft and is connected to multiple claws of main shaft bottom, the lower end of multiple claws
Surround the clamping gap for entrapment stick；
The main shaft is hollow shaft, further includes the central axis being arranged in main shaft, the central axis is for driving at least one
A claw movement, to change the size in the clamping gap, the central axis can slide in main shaft along own axes, center
The lower end of axis can be fallen under self gravity in the clamping gap；
It further include position detecting device, the position detecting device is for inspection center's axis relative to main shaft in main-shaft axis
On position.
Specifically, this handle component, when specifically used, the upper end of safety rod is held in the clamping gap, this
Sample, above mentions in respective drive mechanism driving spindle or when underthrust, when main shaft is released under reactor accident state, safety rod exists
Position change on reactor axis achievees the purpose that adjust reactor capability and emergency shut-down.
In the present solution, being set as the central axis can slide in main shaft along own axes, the lower end of central axis is certainly
Can be fallen under body gravity in the clamping gap, in this way, when the clamping gap is not clamped with safety rod, the central axis with
In the form of vertical state, lower end is fallen into clamping gap main shaft under gravity, and is clamped with peace in clamping gap
When full stick, clamping gap is occupied by safety rod, so when be equivalent to central axis and be elevated.In this way, the above central axis is relative to master
Axis is decided by clamp in gap whether be clamped with safety rod in the position on the axis of main shaft, and the position of this programme central axis changes
Change drops under self gravity dependent on central axis and central axis is raised by safety rod, therefore this programme, when using, central axis is not
Easily there is dummy location, therefore use this programme, by position detecting device inspection center axis relative to main shaft in spindle shaft
Position on line can intuitively reflect that handle component to the true clamping condition of safety rod, is reloaded with guidance, so that completing safety
Stick process of reloading is highly efficient；To realize, safety rod clamping condition is detected in safe rod drive mechanism use process, to obtain in time
Safety rod accident rod drop accident is known, so that safe rod drive mechanism is more reliable in the process of running.
Further technical solution are as follows:
The central axis can be rotated relative to main shaft around the axis of itself；
It further include the cam for being connected to central axis bottom；
At least one claw is articulated on main shaft by articulated shaft；
When cam is with central axis rotation, cam changes the folder by applying pressure to the inside of at least one claw
Hold the size in gap.Change the specific implementation of clamping gap size for central axis utilized above, in the prior art generally
In the following ways: after main shaft and safety rod drop to bottom, the connection of palpus removal main shaft and safety rod, and existing main shaft and peace
In the fit form of full stick, generally by manually thrust or pulling force along vertical direction is applied to main shaft, complete main shaft with
The separation or connection of safety rod.Further, as shown in the technical solution provided application No. is 201410421200.4 patent,
When adjusting handgrip to the seized condition of control rod, also there is the tapered surface relative to handgrip on drive rod axis direction
Movement.And since hollow shaft can be related to above mentioning in safety rod control mechanism normal course of operation or underthrust movement, pacify at this time
Full stick is moved synchronously with hollow shaft, therefore to guarantee constraint of the tapered surface to handgrip seized condition, such as it is set as drive rod, speed reducer
Structure etc. is servo-actuated with hollow shaft, then there is the moiety by weight that power needed for central axis drives drops with safety rod greatly or under accident condition
Big problem.
In the present solution, the cam is installed on the central axis, during central axis rotation, the cam passes through
Apply pressure to the inside of claw, changes the size in the clamping gap, handle component release safety during being reloaded with realization
Stick and crawl safety rod.As cam be one when, constrained between claw at least one claw by the edge action of cam
The opening angle in gap, the elastic component being such as equipped between claw and main shaft, that is, may make the rotation by cam, so that
Gap first becomes larger to become smaller again, by changing the size in the gap, reaches and changes handle component to safety rod clamp position, reach
The purpose reloaded.Compared to the existing implementation by pushing away, drawing main shaft, since main shaft is in use only in vertical side
To move in a straight line without rotate, while the position of claw in the height direction be can it is changed, therefore use this programme, In
When specific utilization, stroke pipe can be set in the upper end of central axis, be existed for adapting to central axis with main shaft with the length of up stroke pipe
In when the displacement of vertical direction, and stroke pipe and central axis are keyed such as the upper end of central axis is in spline shaft-like, i.e. motion of main shaft
The upper end of mandrel remains the key connection relationship that torque can be transmitted with stroke pipe, when cam needs to rotate, driving trip
Pipe rotation, and stroke pipe may be configured as fixing in axial location of the respective drive mechanism on safe rod drive mechanism, this
Sample, stroke pipe and the respective drive mechanism rotated for driving trip pipe will not be to peaces in normal use for safe rod drive mechanism
Full stick above mention and underthrust generates any influence, therefore use this programme, not only can avoid facing traditional artificial operation axis and realize
The problem of release and crawl to safety rod are not suitable for confined space, while central axis rotation increases realization driving mechanism sealing
The difficulty added is small, while the drive form of claw may make for not influencing above mentioning for safety rod for the component of claw driving service
And underthrust, therefore this handle component not only realizes that crawl and release to safety rod are easily achieved, while structure is simple, to safety rod
Movement do not have an impact, the application occasion especially suitable for the cold fast neutron reactor of for example sodium.It is arranged are as follows: further include in
The stroke pipe of mandrel upper end key connection, the axis of the stroke pipe are parallel with the axis of central axis；The key is flat key, and described
Along the axis direction of stroke pipe, the central axis can be sliding relative to stroke pipe along the axis of stroke pipe in key length direction
It is dynamic；The stroke pipe relatively independent can be moved with main shaft.Shown flat key be more than spline, and stroke pipe can phase with main shaft
It is that stroke pipe and main shaft are mutually indepedent to self-movement, for such as the two without connection connection, main shaft does not hinder turning for sweep-up pipe
Dynamic, stroke pipe does not also hinder the elevating movement of main shaft.When specific utilization, main shaft passes through tooth plate and safe rod drive mechanism thereon
The gear cooperation installed on middle sleeve, while being such as set as having sliding bearing as guiding parts, row between casing and main shaft
Journey pipe is installed on casing by bearing.
The cam is two, and two cams are ellipticity cam, and two cams are mounted in center shaft axis not
Same position, two cams are and central axis；
Angle between the respective long axis of two cams is 90 °；
The claw be two, and two claws relative to main shaft axis axisymmetricly；
Articulated shaft on each claw is between the upper and lower end that the link position on claw is located at claw；
The upside that one of cam is located at articulated shaft is used to interact with the claw inner wall on the upside of articulated shaft, another
The downside that cam is located at articulated shaft is used to interact with the claw inner wall on the downside of articulated shaft.As those skilled in the art, with
The edge that upper ellipticity cam as completes the top view for the cam installed on safe rod drive mechanism or this handle component is in
Same size can be used in ellipticity, two above cam, also can be used different sizes, and the program is in specific use, for claw,
The edge of two cams applies constraint to two claws respectively, and the articulated shaft on each claw is the center of rotation of the claw, in
Gap is clamped when central axis, between two claws and completes opening and closing movement: when cam is with central axis rotation, for each claw, such as
The long axis side of cam on the upside of articulated shaft is pressed respectively on each claw, the short axle edge of the cam on the downside of articulated shaft with respectively with
Different claw phase separations, at this point, between the lower end of claw there is minimum clearance to be used for entrapment stick；Cam on the upside of articulated shaft
Short axle edge press when on claw, the long axis edge of the cam on the downside of articulated shaft and claw phase separation, at this point, under claw
It is used to discharge safety rod with maximal clearance between end or the upper end of safety rod is embedded between claw as entrapment stick
It is ready, and during central axis rotation, the width of the above clearance is gradual change.Using this programme, by above
Two cams constrain two claws simultaneously, so that claw has specific relative motion state, and the above opposite fortune between each other
It moves as periodic relative motion, using this programme, each claw and main shaft are hinged by articulated shaft, do not need as previously discussed
The scheme including elastic component；Use this programme simultaneously, due to cam compared to the prior art in elastomer or presented above
Elastomer be rigid body, changes that gap is clamped between claw only relies upon the rotation of cam, therefore using this programme, can also make
Obtaining this handgrip transmission chain has the characteristics that more reliable, the corresponding safe rod drive mechanism of performance has structure more simple.
The specific reality that can be slided under the effect of gravity into the clamping gap for not being clamped with safety rod as a kind of central axis
Existing mode, is respectively provided with flat segments on the inside of two claws, the flat segments for realizing: the clamping gap on the claw is in
When the state of entrapment stick, the side of the cam and flat segments cooperate, and cam can along flat segments main shaft axis
Direction sliding.Use this programme, during the time it is carried out, main shaft drop to lowest order before the upper end of safety rod and the lower termination of central axis
Touching, in this way, safety rod upper end insertion claw between clamp gap and in place after, safety rod to central axis generate jacking make
With.
As noted previously, as two above cam is respectively used to the upper side and lower side of articulated shaft on two claws of constraint, therefore
Maximum grip gap between claw be it is determining, to avoid occurring when reloading because lead to the unconfined situation of central axis
Central axis drops to the gap between cam disengaging claw, setting are as follows: be provided on two claws for constraining central axis lower end
Relative to the shelves edge of main shaft position on main-shaft axis, two shelves are in face relationship along the axis relative to main shaft, in the folder
When holding state of the gap in release safety rod, the shelves are along for providing support for the lower end of center axis.Continued to use with performing
In the lower end phase separation with central axis, in the specific implementation, no matter how claw rotates under cam effect around articulated shaft, center
The downward projection in axis lower end falls in shelves along above always.The i.e. described shelves lateral center shaft axis side protrusion along as claw
Boss.
The part that the clamping dwell boundaries are used to form on the claw includes the hook-shaped portion for being in hook；
In the grasping part that the hook-shaped portion surrounds, the gap width of grasping part upper/lower terminal, which is respectively less than, accommodates sky
Between middle section gap width.Using this programme, i.e., there is the scheme of end bulb, i.e., the described hook-shaped portion for safety rod upper end
Be used for and the matched grasping part of the bulb surrounded, to realize claw to the more structurally sound constraint of safety rod.
The lower end in the hook-shaped portion is inclined-plane, and the inclined-plane is bottom towards the inclined inclined-plane of main-shaft axis.Using we
Case such as will regard the shaft shoulder on safety rod as on the downside of the bulb of safety rod, the inclined-plane in hook-shaped portion with it is described swollen
When big subordinate's side contacts, claw can be used for the chucking power of safety rod safety rod is driven to set tune in the enterprising line position of the axis of central axis
It is whole, that is, allow this handle component when grabbing safety rod with bigger the relative position error, so that this handle component can
Reliable constraint safety rod.Meanwhile when this handle component discharges safety rod, if safety rod does not bottom out at this time, in claw
During opening, allow safety rod slide downward certain distance to alleviate or avoid collision.
The utility model has the following beneficial effects:
When specifically used, the upper end of safety rod is held in the clamping gap this handle component, in this way, corresponding
Driving mechanism driving spindle above mentions or when underthrust, when main shaft is released under reactor accident state, safety rod is in reactor axis
Position change on line achievees the purpose that adjust reactor capability and emergency shut-down.
In the present solution, being set as the central axis can slide in main shaft along own axes, the lower end of central axis is certainly
Can be fallen under body gravity in the clamping gap, in this way, when the clamping gap is not clamped with safety rod, the central axis with
In the form of vertical state, lower end is fallen into clamping gap main shaft under gravity, and is clamped with peace in clamping gap
When full stick, clamping gap is occupied by safety rod, so when be equivalent to central axis and be elevated.In this way, the above central axis is relative to master
Axis is decided by clamp in gap whether be clamped with safety rod in the position on the axis of main shaft, and the position of this programme central axis changes
Change drops under self gravity dependent on central axis and central axis is raised by safety rod, therefore this programme, when using, central axis is not
Easily there is dummy location, therefore use this programme, by position detecting device inspection center axis relative to main shaft in spindle shaft
Position on line can intuitively reflect that handle component to the true clamping condition of safety rod, is reloaded with guidance, so that completing safety
Stick process of reloading is highly efficient；To realize, safety rod clamping condition is detected in safe rod drive mechanism use process, to obtain in time
Safety rod accident rod drop accident is known, so that safe rod drive mechanism is more reliable in the process of running.
Detailed description of the invention
Fig. 1 is the specific office for using embodiment of the handle component with crawl instruction function one described in the utility model
Portion's schematic diagram, which is cross-sectional view, for reflecting the structure composition and matching relationship of handle component；
Fig. 2 is the cross-sectional view shown in Fig. 1 along the direction A-A.
Appended drawing reference in figure is successively are as follows: 1, claw, 2, central axis, and 3, main shaft, 4, cam, 5, flat segments, 6, shelves edge, 7,
Articulated shaft, 8, safety rod, 9, stroke pipe.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail, but the structure of the utility model is not only
It is limited to following embodiment.
Embodiment 1:
As depicted in figs. 1 and 2, there is the handle component of crawl instruction function, including main shaft 3 and be connected to 3 bottom of main shaft
Multiple claws 1, the lower end of multiple claws 1 surrounds the clamping gap for entrapment stick 8；
The main shaft 3 is hollow shaft, further includes the central axis 2 being arranged in main shaft 3, the central axis 2 is for driving extremely
A few claw 1 moves, and to change the size in the clamping gap, the central axis 2 can be sliding in main shaft 3 along own axes
Dynamic, the lower end of central axis 2 can be fallen under self gravity in the clamping gap；
It further include position detecting device, the position detecting device is for inspection center's axis 2 relative to main shaft 3 in main shaft 3
Position on axis.
Specifically, this handle component, when specifically used, the upper end of safety rod 8 is held in the clamping gap, this
Sample, above mentions in respective drive mechanism driving spindle 3 or when underthrust, when main shaft 3 is released under reactor accident state, safety rod
8 position change on reactor axis achievees the purpose that adjust reactor capability and emergency shut-down.
In the present solution, being set as the central axis 2 can slide in main shaft 3 along own axes, the lower end of central axis 2 exists
It can be fallen under self gravity in the clamping gap, in this way, when the clamping gap is not clamped with safety rod 8, the center
With main shaft 3 in the form of vertical state, lower end is fallen into clamping gap axis 2 under gravity, and is pressed from both sides in clamping gap
When holding safety rod 8, clamping gap is occupied by safety rod 8, so when be equivalent to central axis 2 and be elevated.In this way, the above central axis
2 are decided by clamp in gap whether be clamped with safety rod 8 in the position on the axis of main shaft 3 relative to main shaft 3, and in this programme
The position change of mandrel 2 drops under self gravity dependent on central axis 2 and central axis 2 is raised by safety rod 8, therefore this programme exists
With when, central axis 2 is less prone to dummy location, therefore uses this programme, passes through 2 phase of position detecting device inspection center axis
Handle component can intuitively be reflected to the true clamping condition of safety rod 8, to refer to for position of the main shaft 3 on 3 axis of main shaft
It leads and reloads, process is highly efficient so that completion safety rod 8 reloads；To realize safety rod 8 in 8 driving mechanism use process of safety rod
Clamping condition detection, with the unexpected rod drop accident of timely learning safety rod 8, so that 8 driving mechanism of safety rod is in the process of running more
It is reliable.
As those skilled in the art, contact, contactless position sensor is can be used in the position detecting device,
Such as position sensor based on photoelectricity, magnetic；Contact location switch etc..
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1: the central axis 2 can phase
Axis for main shaft 3 around itself rotates；
It further include the cam 4 for being connected to 2 bottom of central axis；
At least one claw 1 is articulated on main shaft 3 by articulated shaft 7；
When cam 4 is rotated with central axis 2, cam 4 changes institute by applying pressure to the inside of at least one claw 1
State the size in clamping gap.Change the specific implementation of clamping gap size for central axis 2 utilized above, in the prior art
Generally in the following ways: after main shaft 3 and safety rod 8 drop to bottom, the connection of main shaft 3 and safety rod 8 must be removed, and it is existing
In the fit form of main shaft 3 and safety rod 8, generally by manually applying thrust or pulling force along vertical direction to main shaft 3,
Complete the separation or connection of main shaft 3 and safety rod 8.Further, as provided application No. is 201410421200.4 patent
Shown in technical solution, when adjusting seized condition of the handgrip to control rod, also there is the tapered surface and passed relative to handgrip
It is moved on lever axis direction.And can be related to above mentioning in 8 control mechanism normal course of operation of safety rod due to hollow shaft or
Underthrust movement, safety rod 8 is moved synchronously with hollow shaft at this time, therefore to guarantee constraint of the tapered surface to handgrip seized condition, such as set
It is servo-actuated with hollow shaft to be set to drive rod, deceleration mechanism etc., then exists under central axis 2 drives required power big or accident condition with peace
The big problem of the moiety by weight that full stick 8 drops.
In the present solution, the cam 4 is installed on the central axis 2, and during central axis 2 rotates, the cam 4
By applying pressure to the inside of claw 1, change the size in the clamping gap, handle component discharges during reloading with realization
Safety rod 8 and crawl safety rod 8.As cam 4 be one when, constrained at least one claw 1 by the edge action of cam 4
The opening angle in gap between claw 1, the elastic component being such as equipped between claw 1 and main shaft 3, that is, may make and pass through cam
4 rotation becomes smaller again so that gap first becomes larger, and by changing the size in the gap, reaches and changes handle component to safety rod 8
Clamp position achievees the purpose that reload.Compared to the existing implementation by pushing away, drawing main shaft 3, since main shaft 3 is using
It only moves in a straight line in the process in vertical direction without rotating, while the position of claw 1 in the height direction is to change
, therefore this programme is used, in specific use, stroke pipe 9 can be set in the upper end of central axis 2, be used with the length of up stroke pipe 9
In adapting to central axis 2 with main shaft 3 in the displacement of vertical direction, and stroke pipe 9 and central axis 2 are keyed, such as the upper end of central axis 2
In spline shaft-like, i.e., the upper end of central axis 2 remains that the key connection that can transmit torque with stroke pipe 9 is closed when main shaft 3 moves
System, when cam 4 needs to rotate, driving trip pipe 9 is rotated, and stroke pipe 9 drives in respective drive mechanism in safety rod 8
Axial location in mechanism may be configured as fixing, in this way, 8 driving mechanism of safety rod stroke pipe 9 and for driving in normal use
The respective drive mechanism that dynamic stroke pipe 9 rotates will not to safety rod 8 above mention and underthrust generates any influence, therefore use we
Case not only can avoid facing traditional artificial operation axis 3 and realizing being not suitable for confined space to the release and crawl of safety rod 8
Problem, while the rotation of central axis 2 is small to the increased difficulty of realization driving mechanism sealing, while the drive form of claw 1 may make
For for the component of the driving service of claw 1 do not influence safety rod 8 above mention and underthrust, therefore this handle component is not only realized to safety
The crawl and release of stick 8 are easily achieved, while structure is simple, are not had an impact to the movement of safety rod 8, especially suitable for for example
The application occasion of the cold fast neutron reactor of sodium.It is arranged are as follows: further include the stroke pipe 9 with 2 upper end of central axis key connection, the row
The axis of journey pipe 9 is parallel with the axis of central axis 2；The key is flat key, and the key length direction is along the axis of stroke pipe 9
Line direction, the central axis 2 can be slided along the axis of stroke pipe 9 relative to stroke pipe 9；The stroke pipe 9 can phase with main shaft 3
To self-movement.Shown flat key be more than spline, and stroke pipe 9 and main shaft 3 can relatively independent movement be stroke pipe 9
Mutually indepedent with main shaft 3, such as the two does not hinder the rotation of sweep-up pipe, stroke pipe 9 also not to hinder without connection connection, main shaft 3
The elevating movement of main shaft 3.Specific when using, main shaft 3 on tooth plate and 8 driving mechanism middle sleeve of safety rod thereon by installing
Gear cooperation, while being such as set as having sliding bearing as guiding parts between casing and main shaft 3, stroke pipe 9 passes through bearing
It is installed on casing.
The cam 4 is two, and two cams 4 are ellipticity cam 4, and two cams 4 are mounted on 2 axis of central axis
Different location, two cams 4 are coaxial with central axis 2；
Angle between the respective long axis of two cam 4 is 90 °；
The claw 1 be two, and two claws 1 relative to main shaft 3 axis axisymmetricly；
Articulated shaft 7 on each claw 1 is between the upper and lower end that the link position on claw 1 is located at claw 1；
The upside that one of cam 4 is located at articulated shaft 7 is used to interact with 1 inner wall of claw of 7 upside of articulated shaft, separately
The downside that one cam 4 is located at articulated shaft 7 is used to interact with 1 inner wall of claw of 7 downside of articulated shaft.As art technology
Personnel, the above ellipticity cam 4 as complete the vertical view for the cam 4 installed in 8 driving mechanism of safety rod or this handle component
The edge of figure is in ellipticity, and two above cam 4 can be used same size, different sizes also can be used, and the program is specifically being used
When, for claw 1, the edge of two cams 4 applies constraint to two claws 1 respectively, and the articulated shaft 7 on each claw 1 is the card
The center of rotation of pawl 1, when central axis 2 rotates, opening and closing movement is completed in clamping gap between two claws 1: in cam 4 with center
When axis 2 rotates, pressed on each claw 1 respectively for each claw 1, such as the long axis side of the cam 4 of 7 upside of articulated shaft, articulated shaft 7
The short axle edge of the cam 4 of downside from respectively with different 1 phase separations of claw, at this point, between the lower end of claw 1 have minimum clearance
For entrapment stick 8；The short axle edge of the cam 4 of 7 upside of articulated shaft presses when on claw 1, the cam of 7 downside of articulated shaft
4 long axis edge and 1 phase separation of claw, at this point, having maximal clearance for discharging safety rod 8 or making between the lower end of claw 1
It obtains between the upper end insertion claw 1 of safety rod 8 to be ready for entrapment stick 8, and in 2 rotation process of central axis, with
The width of upper clearance is gradual change.Using this programme, two claws 1 are constrained by two above cam 4 simultaneously, so that card
Pawl 1 has specific relative motion state between each other, and the above relative motion is periodic relative motion, using this programme,
Each claw 1 is hinged by articulated shaft 7 with main shaft 3, does not need scheme as described above including elastic component；It uses simultaneously
This programme, due to cam 4 compared to the prior art in elastomer or elastomer set forth above be rigid body, between claw 1
The change in clamping gap only relies upon the rotation of cam 4, therefore uses this programme, this handgrip transmission chain also may make to have performance more
Have the characteristics that structure is more simple for reliable, corresponding 8 driving mechanism of safety rod.
It can be slided under the effect of gravity into the clamping gap for not being clamped with safety rod 8 as a kind of central axis 2 specific
Implementation, the inside of two claws 1 are respectively provided with flat segments 5, the flat segments 5 for realizing: between the clamping on the claw 1
When gap is in the state of entrapment stick 8, the side of the cam 4 and flat segments 5 cooperate, and cam 4 can exist along flat segments 5
The axis direction of main shaft 3 slides.Use this programme, during the time it is carried out, main shaft 3 drop to before lowest order the upper end of safety rod 8 with
The lower end in contact of central axis 2, in this way, safety rod 8 upper end insertion claw 1 between clamp gap and in place after, safety rod 8 is right
Central axis 2 generates jacking effect.
As noted previously, as two above cam 4 is respectively used to the upper side and lower side of articulated shaft 7 on two claws 1 of constraint,
Therefore the maximum grip gap between claw 1 be it is determining, to avoid occurring when reloading because to the unconfined situation of central axis 2
The tenesmus of central axis 2 to cam 4 is caused to be detached from the gap between claw 1, setting are as follows: to be provided in for constraining on two claws 1
2 lower end of mandrel relative to the position on 3 axis of main shaft of main shaft 3 shelves along 6, two shelves along 6 relative to main shaft 3 axis be in face
Relationship, when the clamping gap is in the state of release safety rod 8, the shelves are along 6 for providing branch for the lower end of center axis 2
Support.I.e. to perform along 6 for lower end phase separation with central axis 2, in the specific implementation, no matter claw 1 under the effect of cam 4 such as
What is rotated around articulated shaft 7, and the downward projection in 2 lower end of central axis falls in shelves along 6 always.The i.e. described shelves are claw 1 along 6
The boss of interior 2 axis side of lateral central axis protrusion.
The part that the clamping dwell boundaries are used to form on the claw 1 includes the hook-shaped portion for being in hook；
In the grasping part that the hook-shaped portion surrounds, the gap width of grasping part upper/lower terminal, which is respectively less than, accommodates sky
Between middle section gap width.Using this programme, i.e., there is the scheme of end bulb for 8 upper end of safety rod, i.e., it is described hook-shaped
Portion surround for the matched grasping part of the bulb, to realize claw 1 to the more structurally sound constraint of safety rod 8.
The lower end in the hook-shaped portion is inclined-plane, and the inclined-plane is bottom towards the inclined inclined-plane of 3 axis of main shaft.Using we
Case such as will regard the shaft shoulder on safety rod 8 as on the downside of the bulb of safety rod 8, the inclined-plane in hook-shaped portion with it is described
When bulb contacts-side-down, claw 1 can be used for the chucking power of safety rod 8 safety rod 8 is driven to carry out on the axis of central axis 2
Position adjustment, that is, allow this handle component when grabbing safety rod 8 with bigger the relative position error, so that this grip
Part can reliably constrain safety rod 8.Meanwhile when this handle component discharges safety rod 8, if safety rod 8 does not bottom out at this time,
During claw 1 opens, allow 8 slide downward certain distance of safety rod to alleviate or avoid collision.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (8)
1. have the handle component of crawl instruction function, including main shaft (3) and it is connected to multiple claws (1) of main shaft (3) bottom,
The lower end of multiple claws (1) surrounds the clamping gap for entrapment stick (8)；
The main shaft (3) is hollow shaft, further includes the central axis (2) being arranged in main shaft (3), the central axis (2) is for driving
The movement of at least one claw (1) is moved, to change the size in the clamping gap, which is characterized in that the central axis (2) can be along
Own axes sliding in main shaft (3), the lower end of central axis (2) can be fallen under self gravity in the clamping gap；
It further include position detecting device, the position detecting device is used for inspection center's axis (2) relative to main shaft (3) in main shaft
(3) position on axis.
2. the handle component with crawl instruction function according to claim 1, which is characterized in that the central axis (2)
It can be rotated relative to main shaft (3) around the axis of itself；
It further include the cam (4) for being connected to central axis (2) bottom；
At least one claw (1) is articulated on main shaft (3) by articulated shaft (7)；
When cam (4) is rotated with central axis (2), cam (4) is changed by applying pressure to the inside of at least one claw (1)
Become the size in the clamping gap.
3. the handle component with crawl instruction function according to claim 2, which is characterized in that further include and central axis
(2) the stroke pipe (9) of upper end key connection, the axis of the stroke pipe (9) are parallel with the axis of central axis (2)；
The key is flat key, and the key length direction, along the axis direction of stroke pipe (9), the central axis (2) can edge
Stroke pipe (9) axis relative to stroke pipe (9) slide；
The stroke pipe (9) relatively independent can move with main shaft (3).
4. the handle component with crawl instruction function according to claim 2, which is characterized in that the cam (4) is
Two, and two cams (4) are ellipticity cam, two cams (4) are mounted on the different location on central axis (2) axis, and two
Cam (4) is coaxial with central axis (2)；
Angle between two cams (4) respective long axis is 90 °；
The claw (1) be two, and two claws (1) relative to main shaft (3) axis axisymmetricly；
Articulated shaft (7) on each claw (1) is between the upper and lower end that the link position on claw (1) is located at claw (1)；
The upside that one of cam (4) is located at articulated shaft (7) is used to interact with the claw inner wall on the upside of articulated shaft (7),
The downside that another cam (4) is located at articulated shaft (7) is used to interact with the claw inner wall on the downside of articulated shaft (7).
5. it is according to claim 4 have crawl instruction function handle component, which is characterized in that two claws (1) it is interior
Side is respectively provided with flat segments (5), the flat segments (5) for realizing: the clamping gap on the claw (1) is in entrapment
When the state of stick (8), the side and flat segments (5) of the cam (4) cooperate, and cam (4) can be along flat segments (5) in main shaft
(3) axis direction sliding.
6. the handle component with crawl instruction function according to claim 4, which is characterized in that on two claws (1)
The shelves for constraining central axis (2) lower end relative to main shaft (3) position on main shaft (3) axis are provided with along (6), two shelves edges
It (6) is in face relationship relative to the axis of main shaft (3), it is described when the clamping gap is in the state of release safety rod (8)
Shelves are used to provide support for the lower end of center axis (2) along (6).
7. the handle component with crawl instruction function as claimed in any of claims 1 to 6, which is characterized in that
The part that the clamping dwell boundaries are used to form on the claw (1) includes the hook-shaped portion for being in hook；
In the grasping part that the hook-shaped portion surrounds, the gap width of grasping part upper/lower terminal, which is respectively less than, to accommodate in space
The gap width of section.
8. the handle component with crawl instruction function according to claim 7, which is characterized in that under the hook-shaped portion
End is inclined-plane, and the inclined-plane is bottom towards main shaft (3) the inclined inclined-plane of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390459.5U CN209717745U (en) | 2019-03-26 | 2019-03-26 | Handle component with crawl instruction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390459.5U CN209717745U (en) | 2019-03-26 | 2019-03-26 | Handle component with crawl instruction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209717745U true CN209717745U (en) | 2019-12-03 |
Family
ID=68688556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920390459.5U Active CN209717745U (en) | 2019-03-26 | 2019-03-26 | Handle component with crawl instruction function |
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| Country | Link |
|---|---|
| CN (1) | CN209717745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572678A (en) * | 2022-03-16 | 2022-06-03 | 中国原子能科学研究院 | Grabbing mechanism of nuclear power assembly and grabbing device comprising grabbing mechanism |
| CN116000964A (en) * | 2022-12-07 | 2023-04-25 | 北京思灵机器人科技有限责任公司 | Electric clamping jaw |
-
2019
- 2019-03-26 CN CN201920390459.5U patent/CN209717745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572678A (en) * | 2022-03-16 | 2022-06-03 | 中国原子能科学研究院 | Grabbing mechanism of nuclear power assembly and grabbing device comprising grabbing mechanism |
| CN116000964A (en) * | 2022-12-07 | 2023-04-25 | 北京思灵机器人科技有限责任公司 | Electric clamping jaw |
| CN116000964B (en) * | 2022-12-07 | 2024-01-26 | 北京思灵机器人科技有限责任公司 | Electric clamping jaw |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Kongli Inventor after: Jin Fenglei Inventor after: Xia Fan Inventor after: Zheng Fulei Inventor after: Chen Shuming Inventor after: Wang Mingzheng Inventor after: Zhang Yuan Inventor after: Chen Fengzu Inventor after: Tang Jumei Inventor before: Zhang Yuan Inventor before: Chen Fengzu Inventor before: Tang Jumei |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 100000 Beifang, Xinzhen, Fangshan District, Beijing Patentee after: China Institute of Atomic of Energy Address before: 610000 Sichuan Chengdu Dujiangyan Sichuan Dujiangyan Economic Development Zone No. 5 Longxiang Road Patentee before: Sichuan Huadu Nuclear Equipment Manufacture Co.,Ltd. |