CN202029132U - Manipulator clamping device for metal in-situ instrument - Google Patents
Manipulator clamping device for metal in-situ instrument Download PDFInfo
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- CN202029132U CN202029132U CN2011201185878U CN201120118587U CN202029132U CN 202029132 U CN202029132 U CN 202029132U CN 2011201185878 U CN2011201185878 U CN 2011201185878U CN 201120118587 U CN201120118587 U CN 201120118587U CN 202029132 U CN202029132 U CN 202029132U
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- spring lever
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Abstract
The utility model relates to a clamping device, and discloses a manipulator clamping device for a metal in-situ instrument, which is particularly applied to a manipulator on a detecting instrument and comprises a first press plate, a second press plate and two spring pressing mechanisms. The two spring pressing mechanisms are symmetrically disposed between the first press plate and the second press plate, and each spring pressing mechanism consists of a spring bar, a spring, a sleeve and a nut. The spring pressing mechanisms replace connecting screw stems in the prior art to realize connection of the two press plates, when clamping a test sample, a user only needs to pull the two press plates to enlarge the pitch between the press plates, places the test sample into the space between the two press plates and then releases the test sample, clamping of the test sample can be realized by the aid of resilience force of the springs, the test sample can be taken out by enlarging the pitch between the two press plates by means of pulling after operation is completed, and the manipulator clamping device can quickly clamp different test samples, and is simple in operation, high in work efficiency and convenient in use.
Description
Technical field
The utility model relates to a kind of clamping device, specifically is applied to the manipulator on the detecting instrument.
Background technology
In-situ metal analyzer is the equipment that the chemical analysis of test button and institutional framework are carried out check and analysis, obtains material original position original content of corresponding each element and status information by the synchronous scanning location technology.In-situ metal analyzer relies on manipulator and realizes sample manipulation.Manipulator is the automated machine device that realization is carried out continuous agitation, synchronous scanning to sample, and it is made up of framework, crotch, connecting cylinder, lifting platform, X-axis guide rail, Y-axis guide rail, stepper motor.Analytical sample is of a size of 30mm * 30mm～110mm * 110mm at present.The mode that the existing specimen holder device of in-situ metal analyzer adopts bolt to compress is fixed on sample on the manipulator, and sample moves as the plane exciting on the platform with manipulator.Clamping device of the prior art adopts two bolts to connect two pressing plates, regulates two spacings between the pressing plate by regulating bolt.
There is following problem in prior art in real work: the mode that the existing specimen holder device of original position instrument adopts bolt to compress, sample is fixed on the manipulator, and sample moves as the plane exciting on the platform with manipulator.During the clamping sample, operating personnel must repeatedly adjust the bolt position on both sides repeatedly, could locate clamping then.As the fixing sample of 110mm * 110mm again behind the sample of fixing 30mm * 30mm, need time a few minutes, and frequent swivel bolt requires great effort relatively, very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of in-situ metal instrument manipulator clamping device, it has the spring compression of employing mechanism and replaces connecting screw rod of the prior art to come two pressing plates are connected, when the gripping sample, only need two pressing plates of pulling, make the spacing of two pressing plates become big, unclamp after putting into sample between two pressing plates, utilize the screen resilience of spring self can realize clamping to sample, behind the EO, sample can be taken out by widening between two pressing plates spacing, can adapt to the characteristics of various sample being carried out quick gripping.
For solving the problems of the technologies described above, the utility model provides a kind of in-situ metal instrument manipulator clamping device, comprises first pressing plate, second pressing plate, and described second pressing plate is provided with the connector that is connected with mechanical arm, it is characterized in that, also comprises spring compression mechanism,
Described spring compression mechanism comprises two groups, and two groups of spring compression mechanisms are symmetricly set between described first pressing plate and second pressing plate, and every group comprises spring lever, spring, sleeve and nut,
Described spring lever integral body is the spike structure, and its stub end is flanged structure, and flange outside diameter is more than or equal to the middle footpath of described spring, and less than the spring external diameter, little head end is that link is provided with external screw thread;
The outer wall matched in clearance of the inwall of described spring and spring lever;
The outer wall matched in clearance of the inwall of described sleeve and spring, the two ends of sleeve are respectively force side and free end, and free-ended internal orifice dimension is less than the spring external diameter;
The force side of described sleeve is connected with described first pressing plate, offer through hole on described second pressing plate with the outer wall matched in clearance of spring lever, spring lever is set in the spring, spring housing is loaded in the sleeve, the stub end of spring lever is towards the force side of sleeve, and the through hole that the link of spring lever passes on second pressing plate is connected with described nut, and the free end of sleeve and the plate face of second pressing plate are compressed, or
The force side of described sleeve is connected with described second pressing plate, offer through hole on described first pressing plate with the outer wall matched in clearance of spring lever, spring lever is set in the spring, spring housing is loaded in the sleeve, the stub end of spring lever is towards the force side of sleeve, the through hole that the link of spring lever passes on first pressing plate is connected with described nut, and the free end of sleeve and the plate face of second pressing plate are compressed.
The improvement project that above-mentioned base case is made is, offer blind hole on described and the pressing plate that the sleeve force side is connected, described blind hole is coaxial with the through hole on the pressing plate that the spring lever link is connected, the aperture of described blind hole equals the internal diameter of sleeve, the force side of described sleeve is connected with blind hole aperture fixed-site, or
Sleeve is fixedly installed in the described blind hole.
Technique scheme further is improved to, also comprises the standard cushion block, described first pressing plate is provided with standard cushion block stopper slot towards the plate face of second pressing plate, and described standard cushion block is arranged between first pressing plate and the sample.
The another improvement project that above-mentioned foundation structure is made is, also comprises the standard cushion block,
Described standard cushion block is arranged between sample and the pressing plate, and the pressing plate that contacts with the standard cushion block is provided with standard cushion block stopper slot;
The force side of described sleeve is provided with flanged structure;
Offer counter sink on described first pressing plate, described counter sink to offer the through hole of offering on position and second pressing plate that the spring lever link is connected coaxial, the hole diameter of counter sink is less than the external diameter of sleeve force side flange;
After the link of spring lever passes spring, pass sleeve from sleeve force side one side, countersunk head one side from the first pressing plate counter sink penetrates again, passes from the through hole of second pressing plate, is connected with described nut again.
Technique scheme further is improved to, also comprises the leg of scalable adjusting, the leg of described scalable adjusting is at least three, distributes to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
Technique scheme further is improved to again, also comprises the leg of scalable adjusting, the leg of described scalable adjusting is at least three, distributes to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
The technical scheme that is more preferably is, described leg is four, evenly distributes to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
The beneficial effects of the utility model are:
1. because sample is generally smaller, and required clamping force is also very little, only need to overcome sample exciting the friction when moving playing surface just passable, so can adopt the mode of spring compression to operate fully.The technical program connects by adopt two groups of spring compression mechanisms between two pressing plates, during the gripping sample, by draw back daylight opening from, put into sample, unclamp pressing plate, sample is clamped, and is simple to operate, high efficiency is very easy to use.
2. adopt blind hole is set on pressing plate, the stiff end of sleeve is fixed in the blind hole, or the aperture of blind hole is arranged to equate with sleeve diameter, make the stiff end of sleeve fixedly connected in the blind hole aperture, such design can make between two pressing plates to draw high scope bigger.Under such design, increase the standard cushion block again, can when adopting this device of same size, can both keep good chucking power to big sample to very little sample, its versatility is bigger.
3. adopt on first pressing plate and offer counter sink, spring lever is passed the through hole of spring, sleeve, the first pressing plate counter sink, second pressing plate successively, be connected with nut again.Utilize the flange of sleeve force side to cooperate with the counter sink of first pressing plate, pressing plate is drawn back make, it is spacing that first pressing plate is subjected to the sleeve force side.When sample is very little, increase the standard cushion block, make sample be clamped by two pressing plates.Can make each building block of this device be easy to dismounting, replacing and maintenance.
4. on first pressing plate, second pressing plate, on the direction of instrument work top, be provided with can telescopic adjustment leg, can make sample under irregular situation, by regulating the length of each leg, make sample parallel with the instrument work top as far as possible, in excitation process, gas leak phenomenon can not take place.
The utility model adopts spring compression mechanism to replace connecting screw rod of the prior art to come two pressing plates are connected, when the gripping sample, only need two pressing plates of pulling, make the spacing of two pressing plates become big, unclamp after putting into sample between two pressing plates, utilize the screen resilience of spring self can realize clamping, behind the EO, sample can be taken out by widening between two pressing plates spacing to sample, can carry out quick gripping to various sample, simple to operate, high efficiency, easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment four.
Fig. 2 is the spring compression mechanism of the utility model embodiment one and the connection status enlarged diagram between two pressing plates.
Fig. 3 is the spring compression mechanism of the utility model embodiment two and the connection status enlarged diagram between two pressing plates.
Fig. 4 is the spring compression mechanism of the utility model embodiment three and the connection status enlarged diagram between two pressing plates.
Wherein, 1-mechanical arm, 2-first pressing plate, 3-second pressing plate, 4-spring lever, 5-spring, 6-sleeve, 7-nut, 8-sample, 9-standard cushion block, 10-counter sink, the flanged structure that 11-sleeve link is provided with, 12-spring lever stub end, the leg of the scalable adjusting of 13-.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof according to the in-situ metal instrument manipulator clamping device that the utility model proposes are elaborated.
At first, general thought of the present utility model is described: the utility model is to adopt spring compression mechanism to replace connecting screw rod of the prior art to come two pressing plates are connected, when the gripping sample, only need two pressing plates of pulling, make the spacing of two pressing plates become big, unclamp after putting into sample between two pressing plates, utilize the screen resilience of spring self can realize clamping sample, behind the EO, widening between two pressing plates spacing can take out sample.
Concrete embodiment is: spring compression mechanism comprises two groups, and two groups of spring compression mechanisms are symmetricly set between first pressing plate 2 and second pressing plate 3, and every group comprises spring lever 4, spring 5, sleeve 6 and nut 7.
The force side of sleeve 6 is connected with first pressing plate 2, offer through hole on second pressing plate 3 with the outer wall matched in clearance of spring lever 4, spring lever 4 is set in the spring 5, spring 5 is set in the sleeve 6, the stub end of spring lever 4 is towards the force side of sleeve 6, the through hole that the link of spring lever 4 passes on second pressing plate 3 is connected with nut 7, and the free end of sleeve 6 and the plate face of second pressing plate 3 are compressed.
Or with the whole tune of spring compression mechanism, the force side of sleeve 6 is connected with second pressing plate 3, offer through hole on first pressing plate 2 with the outer wall matched in clearance of spring lever 4, spring lever 4 is set in the spring 5, spring 5 is set in the sleeve 6, the stub end of spring lever 4 is towards the force side of sleeve 6, and the through hole that the link of spring lever 4 passes on first pressing plate 2 is connected with nut 7, and the free end of sleeve 6 and the plate face of first pressing plate are compressed.
Below, the embodiment reference diagram with reference to providing in the accompanying drawing describes embodiment of the present utility model:
Embodiment one:
The spring compression mechanism of the utility model embodiment two as shown in Figure 2 and the connection status enlarged diagram between two pressing plates, first pressing plate 2 is an overall structure, is not opened in the connecting hole that spring compression mechanism connects.The link of spring compression mechanism middle sleeve 6 directly is connected with the plate face of first pressing plate 2, as take the mode of fixing welding to connect, or on the plate face of first pressing plate 2, the installation nut is set, link at sleeve 6 is provided with external screw thread, nut is installed is adopted engage thread to be connected with the link of sleeve 6.With the whole tune of spring compression mechanism, sleeve 6 takes the connected mode identical with first pressing plate to be connected equally with second pressing plate can realize the purpose of this utility model.
Embodiment two:
With pressing plate that sleeve 6 force sides are connected on offer blind hole, blind hole is coaxial with the through hole on the pressing plate that spring lever 4 links are connected, sleeve 6 is fixedly installed in the blind hole.Shown in Figure 3 connects first pressing plate 2 for sleeve 6 force sides, and spring lever 4 links connect second pressing plate 3.
Embodiment three:
As shown in Figure 4, with pressing plate that sleeve 6 force sides are connected on offer blind hole, the through hole of offering on blind hole and the pressing plate that spring lever 4 links are connected is coaxial, the aperture of blind hole equals the internal diameter of sleeve 6, the force side of sleeve 6 is connected with blind hole aperture fixed-site.Like this, the path that spring lever 4 is moved in the process that daylight opening changes is sleeve 6 and the common travel paths that constitutes of blind hole.
For when adopting the utility model of same dimensions, can both play better clamping action to sample not of uniform size, in above-mentioned three embodiment, can also between sample and pressing plate, increase standard cushion block 9.The clamp surface setting that is contacted at standard cushion block 9 prevents the standard cushion block stopper slot that standard cushion block 9 is shifted, when sample 8 small-sized, increase standard cushion block 9, make the spacing between two pressing plates determine jointly by sample and standard cushion block 9, increase spring 5 compression yardsticks, made chucking power stronger.
Embodiment four:
With reference to the structural representation of the present embodiment four shown in the accompanying drawing 1, the force side of sleeve 6 is arranged to have the structure of flange.On first pressing plate 2, offer counter sink, counter sink to offer the through hole of being offered on position and second pressing plate 3 that spring lever 4 links are connected coaxial, the hole diameter of counter sink is less than the external diameter of sleeve 6 force side flanges, make when drawing back two pressing plates, first pressing plate 2 can not pulled out from sleeve 6, and when the pulling pressing plate, can drive 6 pairs of springs 5 of sleeve and compress.During installation, the link of spring lever 4 passed spring 5 after, penetrate from sleeve 6 force sides, pass from sleeve 6 free ends again.Sleeve 6 penetrates from countersunk head one side of the first pressing plate counter sink, and spring lever 4 passes from the through hole of second pressing plate 3, is connected with nut 7 again.
At this moment, first pressing plate 2 can move along sleeve with sample 8 sizes.When sample was in the reference position, spring 5 relied on pretightning force to compress sample 8; When sample 8 sizes during greater than the reference position size, draw back two pressing plates, spring 5 compressions, spring 5 thrusts strengthen thereupon, and sample 8 is clamped; When specimen size during less than the reference position size, sample 8 is in relaxed state, for guaranteeing certain clamping force, must increase standard cushion block 9 in the pressing plate side, be weight reduction, and handled easily, standard cushion block can adopt alloy in lightweight to make.The sample of various sizes just can have been operated on clamping device very easily like this.
In the present embodiment, size for sample 8 is less than or equal under the situation of not compressing spring 5, during spacing between two pressing plates, is must employing standard cushion block 9, and be different among above-mentioned three kinds of embodiment, adopt standard cushion block 9 just in order to increase chucking power.The mode that cushion block 9 stopper slots that set up standard on position and the pressing plate are set of standard cushion block 9 is same as above in the present embodiment, so Ao Shu no longer.
In addition, because the specification of sample 8 is not very regular sometimes, when being held, the working face of sample may be not the position relation that is parallel to each other with the instrument work top, so when exciting, and the phenomenon that may leak air.For fear of the generation of gas leak phenomenon, can pressing plate towards the direction setting of instrument work top can telescopic adjustment leg 13.By regulating the height of each leg, make the working face of sample and instrument work top be parallel to each other.The setting of leg 13 is at least three, distributes to be arranged on first pressing plate 2, second pressing plate 3.Preferably, on first pressing plate 2 and second pressing plate 3, two legs 13 are set respectively.
In the utility model, first pressing plate 2 and second pressing plate 3 role separately can exchange, the force side that is sleeve 6 connects first pressing plate 2, the link of spring lever 4 is connected with second pressing plate 3, or, the force side of sleeve 6 connects second pressing plate 3, and the link of spring lever 4 is connected with first pressing plate 2, and this device is connected on the mechanical arm 1 by the connector that is connected with mechanical arm 1 on second pressing plate 2.
The condition that must satisfy during spring 5 designs is as follows:
When sample 8 was in the reference position, the friction that produces between sample 8 and pressing plate should be greater than sample 8 and the friction that excites platform.Be f1F 〉=f2G
Wherein, F represents pressing force of the spring, and F=kL1(k is that spring constant L1 is a spring pretension amount);
F1 represents the coefficient of friction of sample 8 and pressing plate;
F2 represents sample 8 and the coefficient of friction that excites platform;
G represents the weight of sample.
When specimen size during greater than the reference position size, spring 5 can design by sample 8 full-sizes.
Promptly must satisfy Δ L 〉=L1+L2+20
Wherein, Δ L represents the spring maximum deformation quantity;
L2 represents the dimensional variations value between benchmark sample and the maximum sample.
When sample 8 sizes during, adopt standard cushion block 9 regulating springs 5 thrusts to get final product less than the reference position size.
The utility model manually draws back first pressing plate 2 and 3 distances of second pressing plate when concrete operations, sample 8 is placed on correct position, unclamps pressing plate, and sample 8 is clamped; After sample 8 checks finish, manually draw back two daylight openings, take off sample 8, spring compression mechanism 10 automatically reverts to the original position of reference dimension.
It should be noted last that, the above specific embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. an in-situ metal instrument manipulator clamping device comprises first pressing plate, second pressing plate, and described second pressing plate is provided with the connector that is connected with mechanical arm, it is characterized in that, also comprises spring compression mechanism,
Described spring compression mechanism comprises two groups, and two groups of spring compression mechanisms are symmetricly set between described first pressing plate and second pressing plate, and every group comprises spring lever, spring, sleeve and nut,
Described spring lever integral body is the spike structure, and its stub end is flanged structure, and flange outside diameter is more than or equal to the middle footpath of described spring, and less than the spring external diameter, little head end is that link is provided with external screw thread;
The outer wall matched in clearance of the inwall of described spring and spring lever;
The outer wall matched in clearance of the inwall of described sleeve and spring, the two ends of sleeve are respectively force side and free end, and free-ended internal orifice dimension is less than the spring external diameter;
The force side of described sleeve is connected with described first pressing plate, offer through hole on described second pressing plate with the outer wall matched in clearance of spring lever, spring lever is set in the spring, spring housing is loaded in the sleeve, the stub end of spring lever is towards the force side of sleeve, and the through hole that the link of spring lever passes on second pressing plate is connected with described nut, and the free end of sleeve and the plate face of second pressing plate are compressed, or
The force side of described sleeve is connected with described second pressing plate, offer through hole on described first pressing plate with the outer wall matched in clearance of spring lever, spring lever is set in the spring, spring housing is loaded in the sleeve, the stub end of spring lever is towards the force side of sleeve, the through hole that the link of spring lever passes on first pressing plate is connected with described nut, and the free end of sleeve and the plate face of first pressing plate are compressed.
2. in-situ metal instrument manipulator clamping device as claimed in claim 1, it is characterized in that, offer blind hole on described and the pressing plate that the sleeve force side is connected, described blind hole is coaxial with the through hole on the pressing plate that the spring lever link is connected, the aperture of described blind hole equals the internal diameter of sleeve, the force side of described sleeve is connected with blind hole aperture fixed-site, or
Sleeve is fixedly installed in the described blind hole.
3. in-situ metal instrument manipulator clamping device as claimed in claim 1 or 2, it is characterized in that, also comprise the standard cushion block, described first pressing plate is provided with standard cushion block stopper slot towards the plate face of second pressing plate, and described standard cushion block is arranged between first pressing plate and the sample.
4. in-situ metal instrument manipulator clamping device as claimed in claim 1 is characterized in that, also comprises the standard cushion block,
Described standard cushion block is arranged between sample and the pressing plate, and the pressing plate that contacts with the standard cushion block is provided with standard cushion block stopper slot;
The force side of described sleeve is provided with flanged structure;
Offer counter sink on described first pressing plate, described counter sink to offer the through hole of offering on position and second pressing plate that the spring lever link is connected coaxial, the hole diameter of counter sink is less than the external diameter of sleeve force side flange;
After the link of spring lever passes spring, pass sleeve from sleeve force side one side, countersunk head one side from the first pressing plate counter sink penetrates again, passes from the through hole of second pressing plate, is connected with described nut again.
5. as any described in-situ metal instrument manipulator clamping device in the claim 1 to 3, it is characterized in that, the leg that also comprises scalable adjusting, the leg of described scalable adjusting is at least three, distributes to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
6. in-situ metal instrument manipulator clamping device as claimed in claim 4, it is characterized in that, the leg that also comprises scalable adjusting, the leg of described scalable adjusting are at least three, distribute to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
7. in-situ metal instrument manipulator clamping device as claimed in claim 6 is characterized in that described leg is four, evenly distributes to be arranged on described first pressing plate, second pressing plate direction towards the instrument work top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201185878U CN202029132U (en) | 2011-04-21 | 2011-04-21 | Manipulator clamping device for metal in-situ instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201185878U CN202029132U (en) | 2011-04-21 | 2011-04-21 | Manipulator clamping device for metal in-situ instrument |
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| Publication Number | Publication Date |
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| CN202029132U true CN202029132U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201185878U Expired - Fee Related CN202029132U (en) | 2011-04-21 | 2011-04-21 | Manipulator clamping device for metal in-situ instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500838A (en) * | 2014-11-11 | 2015-04-08 | 浙江省电力设计院 | Plug-in type cable support structure for cable laying |
| CN106207819A (en) * | 2016-09-29 | 2016-12-07 | 合肥儒桢信息科技有限责任公司 | A kind of high-tension switch cabinet outdoor installation clamping device |
| CN108582045A (en) * | 2018-06-20 | 2018-09-28 | 佛山市同鑫智能装备科技有限公司 | A kind of manipulator fixation adjustment platform |
| CN109592393A (en) * | 2018-10-29 | 2019-04-09 | 浙江厚达智能科技股份有限公司 | Interior fixed double plate is the same as shifting formula optical fiber transfer device and optical fiber transfer method |
| CN110567812A (en) * | 2019-10-16 | 2019-12-13 | 廊坊市阳光建设工程质量检测有限公司 | method and instrument for comprehensively detecting concrete strength through resilience and direct drawing |
-
2011
- 2011-04-21 CN CN2011201185878U patent/CN202029132U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500838A (en) * | 2014-11-11 | 2015-04-08 | 浙江省电力设计院 | Plug-in type cable support structure for cable laying |
| CN106207819A (en) * | 2016-09-29 | 2016-12-07 | 合肥儒桢信息科技有限责任公司 | A kind of high-tension switch cabinet outdoor installation clamping device |
| CN108582045A (en) * | 2018-06-20 | 2018-09-28 | 佛山市同鑫智能装备科技有限公司 | A kind of manipulator fixation adjustment platform |
| CN109592393A (en) * | 2018-10-29 | 2019-04-09 | 浙江厚达智能科技股份有限公司 | Interior fixed double plate is the same as shifting formula optical fiber transfer device and optical fiber transfer method |
| CN109592393B (en) * | 2018-10-29 | 2020-12-08 | 浙江厚达智能科技股份有限公司 | Internal fixed double-disc synchronous moving type optical fiber transfer mechanism and optical fiber transfer method |
| CN110567812A (en) * | 2019-10-16 | 2019-12-13 | 廊坊市阳光建设工程质量检测有限公司 | method and instrument for comprehensively detecting concrete strength through resilience and direct drawing |
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Granted publication date: 20111109 Termination date: 20160421 |