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CN102692192B - Spherical workpieces system for detecting diameter and method - Google Patents

Spherical workpieces system for detecting diameter and method Download PDF

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Publication number
CN102692192B
CN102692192B CN201210176630.5A CN201210176630A CN102692192B CN 102692192 B CN102692192 B CN 102692192B CN 201210176630 A CN201210176630 A CN 201210176630A CN 102692192 B CN102692192 B CN 102692192B
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China
Prior art keywords
diameter
fuel element
load bearing
track
bearing unit
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CN201210176630.5A
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CN102692192A (en
Inventor
李自强
赵宏生
张凯红
王玮
王康
刘小雪
唐春和
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SHAANXI YUANZHI TECHNOLOGY CO LTD
Tsinghua University
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SHAANXI YUANZHI TECHNOLOGY CO LTD
Tsinghua University
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Abstract

The invention discloses a kind of spherical workpieces system for detecting diameter and method, relate to spheroid, spheroid diameter of work detection technique field.Described system includes: track, load bearing unit and laser diameter measuring instrument, and detection station is located on described track and is positioned to described load bearing unit, and described laser diameter measuring instrument is located at described detection station both sides;Current spherical workpieces moves to described load bearing unit along the entrance of track, and described laser diameter measuring instrument carries out diameter detection to described current spherical workpieces, to obtain the diameter of described current spherical workpieces.The present invention is by the cooperation between all parts, it is achieved that detect spherical workpieces diameter, and improves detection speed and accuracy.

Description

Spherical workpieces system for detecting diameter and method
Technical field
The present invention relates to spheroid, spheroid diameter of work detection technique field, particularly to a kind of spherical workpieces diameter inspection Examining system and method.
Background technology
At present, the spheric fuel element diameter used in China's high temperature pebble-bed gas-cooled reactor is about 60mm, and structure is ball Shape coated particle (TRISO) disperse is in the graphite matrix of fuel region.As the structural material of fuel element, matrix graphite makes bag Cover fuel particle and obtain thermohydraulics condition, as heat passed to coolant helium;As slowing material, fast neutron there is foot Enough moderating powers;The most also there is certain ability being detained fission product.
Diameter is an important indicator of spheric fuel element.The importance major embodiment of inspection spheric fuel element diameter : through the spheric fuel element that diameter inspection is qualified, carry out the inspection without fuel region by pipeline, detect for work without fuel region The dimensional requirement of part is very strict, therefore first element must be carried out diameter inspection before carrying out checking without fuel region;? To element all directions diameter for improving element pressing process, turning process provides reliable foundation;In pebble bed reactor, load During with unloading fuel sphere, also by pipeline transportation, element diameter size is bigger than normal, card ball accident easily occurs.Additionally, it is spherical Fuel element diameter verifies as entirely examining project, and all over products is both needed to detect diameter.Therefore, fuel element is checked quickly and accurately Diameter is most important for the production of spheric fuel element.
But the instrument of existing detection spheric fuel element diameter all has the disadvantage in that
(1) introducing a large amount of Artificial Control, the detection cycle is long;
(2) artificial counting, probability of makeing mistakes is big.
(3) former instrument can only differentiate that sample is the most qualified, it is impossible to provides the size of each sample.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is: how to realize detecting spherical workpieces diameter, and improves detection speed Degree and accuracy.
(2) technical scheme
For solving above-mentioned technical problem, the invention provides a kind of spherical workpieces system for detecting diameter, described system includes: Track, load bearing unit and laser diameter measuring instrument, detection station, described laser are located on described track and are positioned to described load bearing unit Caliper is located at described detection station both sides;
Current spherical workpieces moves to described load bearing unit along the entrance of track, and described laser diameter measuring instrument works as forecourt to described Body workpiece carries out diameter detection, to obtain the diameter of described current spherical workpieces.
Preferably, described track and horizontal direction are that predetermined angle is arranged, and described system also includes: queue circuit, described row Team's device is located on described track and is positioned vertically higher than described load bearing unit.
Preferably, described load bearing unit is steel ball slide, and described system also includes: rotary unit, and described rotary unit sets Surface in described load bearing unit.
Preferably, described system also includes: is located between described track and is positioned at the fork unit at load bearing unit.
Preferably, described system also includes: channel to channel adapter, described channel to channel adapter be located at described track outlet and It is vertically lower than described load bearing unit, the of the first end of described channel to channel adapter and qualified passage and defective passage One end connects respectively.
Preferably, the second end of described qualified passage is provided with competent collection container, and the second end of described defective passage sets There is defective collection container.
Preferably, described system also includes: control unit, and described control unit is connected with described laser diameter measuring instrument.
The invention also discloses a kind of detection method based on described spherical workpieces system for detecting diameter, described method bag Include following steps:
Current spherical workpieces moves to load bearing unit along the entrance of track;
Laser diameter measuring instrument carries out diameter detection to described current spherical workpieces, to obtain the straight of described current spherical workpieces Footpath.
Preferably, it is thus achieved that after the diameter of described current spherical workpieces, further comprising the steps of:
Control unit judges whether the diameter of described current spherical workpieces alreadys more than preset range, the most then by described Control unit carries out pointing out and record.
Preferably, it is thus achieved that after the diameter of described current spherical workpieces, further comprising the steps of:
Control unit by control fork unit make described current spherical workpieces leave load bearing unit, described current workpiece from Described load bearing unit moves to channel to channel adapter, and described control unit judges that the diameter of described current spherical workpieces has surpassed Cross preset range, the most then control described channel to channel adapter by the transmission of described current spherical workpieces to defective passage, otherwise control Make described channel to channel adapter by the transmission of described current spherical workpieces to qualified passage.
(3) beneficial effect
The present invention is by the cooperation between all parts, it is achieved that detects spherical workpieces diameter, and improves inspection Degree of testing the speed and accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the spherical workpieces system for detecting diameter according to one embodiment of the present invention;
Fig. 2 is the flow chart of the spherical workpieces diameter detection method according to one embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
Fig. 1 is the structural representation of the spherical workpieces system for detecting diameter according to one embodiment of the present invention;With reference to figure 1, described system includes: track 1, load bearing unit and laser diameter measuring instrument 4, and described load bearing unit is located on described track 1 and position In detection station, described laser diameter measuring instrument 4 is located at described detection station both sides;
Current spherical workpieces (i.e. fuel element) moves to described load bearing unit, described laser diameter measuring instrument along the entrance of track Described current spherical workpieces is carried out diameter detection, to obtain the diameter of described current spherical workpieces.In present embodiment, described Track 1 is with certain gradient, low after front height, gentle gradient, when can guarantee that spherical workpieces collision before and after generation, it is impossible to by therein Track extruded by certain or some workpiece;To keep consistent before and after the width of track, and less than diameter of work;Laser diameter measuring instrument 4 In load bearing unit both sides, setting height(from bottom) it has to be ensured that spherical workpieces vertical guide complete enter laser diameter measuring instrument 4 laser sweep Retouch region.
For realizing spherical workpieces is detected one by one, it is preferable that described track and horizontal direction are that predetermined angle is arranged, Described system also includes: queue circuit 2, and described queue circuit 2 is located on described track 1 and is positioned vertically higher than described carrying Unit;In present embodiment, previous workpiece passes through queue circuit 2, rolls along track 1 to detection station, subsequent workpieces simultaneously It is queued device 2 to stop;Size between stop member and the diameter design value approximation of workpiece before and after queue circuit 2, it is ensured that front and back hinder A workpiece can only be had between stopper part.
For when spherical workpieces is detected, spherical workpieces is rotated, to realize multi-faceted testing spheroid work Part, it is preferable that described load bearing unit is steel ball slide 3, described system also includes: rotary unit, and described rotary unit is located at institute State the surface of load bearing unit;In present embodiment, the 120 ° of inverted cone pedestals in described steel ball slide 3 that is 3 interval, 3 supports Living workpiece, steel ball slide 3 top is connected with track 1, and height keeps consistent with track 1;
When rotating workpiece, rotary unit 5 declines, and the friction pulley workpiece pressing of rotary unit 5, by rotary unit 5 Motor (in present embodiment, described motor is electric rotating machine) rotate workpiece is rotated to an angle in the horizontal direction, then Measure diameter of work by laser diameter measuring instrument 4, it is also possible to rotate the most in the horizontal direction, measure diameter of work; Being still that to be rotated by the motor of rotary unit 5 makes workpiece after fore-and-aft direction rotates to an angle, and is still that and passes through laser Caliper 4 measures diameter of work, it is also possible to rotate at fore-and-aft direction the most at a certain angle, measures diameter of work;Can first water Flat rotation can also the most front and back rotate, and order can overturn;Can also only test the diameter of a direction of rotation, it might even be possible to no Needing rotary unit 5 turning of work piece, but only test a diameter, all are all to set according to test request.
For the spherical workpieces on load bearing unit is reversed track, to realize follow-up spherical workpieces is detected, it is preferable that Described system also includes: is located between described track and is positioned at the fork unit at load bearing unit;In present embodiment, described Fork unit is one section of one end lifting track, is positioned at load bearing unit and track 1 intersection track side, parallel with track 1, level Height is the same, narrower than track 1, is placed in the track between two rails of track 1.After detection, by fork unit, For pushing track 1 by detecting complete spherical workpieces from load bearing unit.Described fork unit is one section of one end lifting track (in present embodiment, described fork unit is driven by Pneumatic connecting rod), is positioned at load bearing unit and track 1 intersection track one Side, parallel with track 1, level height is the same, narrower than track 1, is placed in the track between two rails of track 1.Detection After, by shifting fork device, for workpiece complete for detection is pushed track 1 from detection station.
According to obtain spherical workpieces diameter spherical workpieces is made a distinction, it is preferable that described system also includes: passage Selector 6, described channel to channel adapter 6 is located at the outlet of described track 1 and is vertically lower than described load bearing unit 3, institute State channel to channel adapter 6 to be connected respectively with the first end of qualified passage 7 and the first end of defective passage 8.
For being collected the spherical workpieces after distinguishing respectively, the second end of described qualified passage 7 is provided with competent collection to be held Device 9, the second end of described defective passage 8 is provided with defective collection container 10.
Preferably, described system also includes: control unit 11, and described control unit 11 is connected with described laser diameter measuring instrument 4.
In present embodiment, the operation principle of described system is:
(1) system power switch is opened;
(2) will be put into the most successively on track 1 with a collection of spherical workpieces;
(3) queue circuit 2 can only pass through a spherical workpieces every time, and other workpiece is waited in line;
(4) spherical workpieces comes steel ball slide 3, and laser diameter measuring instrument 4 starts to measure diameter;
(5) arranging rotational angle and number of times according to test request, rotary unit 5 puts in place, and laser diameter measuring instrument 4 measures diameter;
(6), after measuring, fork unit lifts, and fuel element is rolled on track 1;
(7) if fuel element diameter is qualified, selector 6 selects qualified passage 7, and then enters competent collection container 9;If it is straight Footpath is defective, and selector 6 selects defective passage 8, and then enters defective collection container 10;
(8) repeat (3 ~ 7) step, detect each spherical workpieces successively;
(9) control system 11 can remotely export the test data that each element is each.
The invention also discloses a kind of detection method based on described spherical workpieces system for detecting diameter, described method bag Include following steps:
Current spherical workpieces moves to load bearing unit along the entrance of track;
Laser diameter measuring instrument carries out diameter detection to described current spherical workpieces, to obtain the straight of described current spherical workpieces Footpath.
For realizing the diameter of spherical workpieces is made a distinction, it is preferable that after obtaining the diameter of described current spherical workpieces, also Comprise the following steps:
Control unit judges whether the diameter of described current spherical workpieces alreadys more than preset range, the most then by described Control unit carries out pointing out and record.
According to obtain spherical workpieces diameter spherical workpieces is made a distinction, it is preferable that obtain described current spheroid work After the diameter of part, further comprising the steps of:
Control unit by control fork unit make described current spherical workpieces leave load bearing unit, described current workpiece from Described load bearing unit moves to channel to channel adapter, and described control unit judges that the diameter of described current spherical workpieces has surpassed Cross preset range, the most then control described channel to channel adapter by the transmission of described current spherical workpieces to defective passage, otherwise control Make described channel to channel adapter by the transmission of described current spherical workpieces to qualified passage.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, common about technical field Technical staff, without departing from the spirit and scope of the present invention, it is also possible to make a variety of changes and modification, therefore own The technical scheme of equivalent falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (9)

1. a spheric fuel element system for detecting diameter, it is characterised in that described system includes: track, load bearing unit and swash Light caliper, described load bearing unit is located on described track and is positioned at detection station, and described laser diameter measuring instrument is located at described detection Station both sides;
Current spheric fuel element moves to described load bearing unit along the entrance of track, and described laser diameter measuring instrument works as forecourt to described Shape fuel element carries out the diameter detection of multiple directions, to obtain the diameter of described current spheric fuel element;
Wherein, described load bearing unit is steel ball slide, and described system also includes: for the rotation driving spheric fuel element to rotate Unit, described rotary unit is located at the surface of described load bearing unit.
2. the system as claimed in claim 1, it is characterised in that described track and horizontal direction are that predetermined angle is arranged, described System also includes: queue circuit, and described queue circuit is located on described track and is positioned vertically higher than described load bearing unit.
3. the system as claimed in claim 1, it is characterised in that described system also includes: be located between described track and be positioned at Fork unit at load bearing unit.
4. system as claimed in claim 3, it is characterised in that described system also includes: channel to channel adapter, described channel selecting Device is located at the outlet of described track and is vertically lower than described load bearing unit, described channel to channel adapter and qualified passage The first end and the first end of defective passage connect respectively.
5. system as claimed in claim 4, it is characterised in that the second end of described qualified passage is provided with competent collection container, Second end of described defective passage is provided with defective collection container.
6. the system as according to any one of Claims 1 to 5, it is characterised in that described system also includes: control unit, institute State control unit to be connected with described laser diameter measuring instrument.
7. a detection method based on the spheric fuel element system for detecting diameter according to any one of claim 1~6, its It is characterised by, said method comprising the steps of:
Current spheric fuel element moves to load bearing unit along the entrance of track;
Laser diameter measuring instrument carries out the diameter detection of multiple directions to described current spheric fuel element, described the most spherical to obtain The diameter of fuel element.
8. method as claimed in claim 7, it is characterised in that after obtaining the diameter of described current spheric fuel element, also wrap Include following steps:
Control unit judges whether the diameter of described current spheric fuel element alreadys more than preset range, the most then by described Control unit carries out pointing out and record.
9. method as claimed in claim 7, it is characterised in that after obtaining the diameter of described current spheric fuel element, also wrap Include following steps:
Control unit makes described current spheric fuel element leave load bearing unit, described current spherical combustion by controlling fork unit Material element moves to channel to channel adapter from described load bearing unit, and described control unit judges the straight of described current spheric fuel element Whether footpath alreadys more than preset range, the most then control described channel to channel adapter and transmitted extremely by described current spheric fuel element Defective passage, otherwise controls described channel to channel adapter by the transmission of described current spheric fuel element to qualified passage.
CN201210176630.5A 2012-05-31 2012-05-31 Spherical workpieces system for detecting diameter and method Active CN102692192B (en)

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