CN102795449A - Transfer machine middle groove and transfer machine - Google Patents
Transfer machine middle groove and transfer machine Download PDFInfo
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- CN102795449A CN102795449A CN2012103025482A CN201210302548A CN102795449A CN 102795449 A CN102795449 A CN 102795449A CN 2012103025482 A CN2012103025482 A CN 2012103025482A CN 201210302548 A CN201210302548 A CN 201210302548A CN 102795449 A CN102795449 A CN 102795449A
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Abstract
The invention provides a transfer machine middle groove which comprises a first baffle, a first groove ledge, a middle plate, a bottom plate, a second groove ledge and a second baffle, wherein the bottom plate and the middle plate are fixedly connected with the first groove ledge and the second groove ledge respectively; the middle plate is positioned above the bottom plate; and the first baffle and the second baffle are fixedly connected with the first groove ledge and the second groove ledge respectively. The transfer machine middle groove further comprises a first section, a second section and a third section, wherein the second section is positioned between the first section and the third section; both ends of the second section are fixedly connected with one end of the first section and one end of the third section; and the first section and the third section are mutually parallel straight sections, but are not positioned in the same straight line. The invention further provides a transfer machine. As the bent middle groove is adopted, the transfer machine middle groove can meet short distance bending requirements and bent section fixity requirements; and in addition, the width of a transport gate road is reduced when the unloading distance between a scraper conveyer head and the transfer machine is ensured, therefore, the support difficulty and tunneling cost of the transport gate road are reduced.
Description
Technical field
The present invention relates to the coal mining field, in particular to a kind of elevating conveyor intermediate channel and comprise the elevating conveyor of this elevating conveyor intermediate channel.
Background technology
At present; As the middle rehandle facilities of back production with driving fortune coal measures system; Elevating conveyor is usually placed in the haulage gate of fully-mechanized mining working; Be a kind of can be vertically whole heavy scraper conveyor that moves, its length is less, is convenient to flexible and whole mobile with the propelling of coal-face and band conveyor.
The double face coal winning technology is applicable to the coal wall that length is bigger, has overcome the restriction of slat conveyer laying length to a certain extent.This coal winning technology comprises: being arranged in juxtaposition two air return way and a shared haulage gate, is driving surface between the adjacent crossheading; Each driving surface all is provided with coalcutter, slat conveyer and hydraulic support, and two driving surfaces need to advance simultaneously in the coal mining process; In order between two driving surfaces, to reserve the shared escape way of personnel turnover, two driving surfaces, 5 ~ 12 meters the distance that should stagger uses above technology can reduce by ten thousand tons of drivage ratios and equipment cost, has improved personnel's work efficiency and resource recovery simultaneously.
In the correlation technique; As shown in Figure 1; The elevating conveyor intermediate channel comprises first plate washer 1 ', first ledge 2 ', base plate 3 ', middle plate 4 ', second ledge 5 ' and second plate washer 6 '; But the elevating conveyor intermediate channel is all linear structure, and it is less that adjacent intermediate channel connection place horizontal direction adapts to angle, can't in short distance, realize the crooked requirement of elevating conveyor.
In the correlation technique, as shown in Figure 2, in the double face coal winning technology, elevating conveyor 24 ' common straight-though arrangement is in the middle part of haulage gate 23 ', and the head of first slat conveyer 21 ' and second slat conveyer 22 ' is arranged in elevating conveyor 24 ' both sides respectively.Because the shared haulage gate 23 ' of two driving surfaces; In order to guarantee that enough unloading distances are arranged between two slat conveyer heads and the elevating conveyor 24 '; And guarantee that the coal mining machine cut passes through rib; Just must increase the width of haulage gate 23 ', so not only increase the supporting difficulty of haulage gate 23 ', and increased excavation cost to a certain extent.
In sum, the elevating conveyor intermediate channel structure design in the correlation technique is perfect inadequately, has following shortcoming:
1) the haulage gate width is wide, has both increased the supporting difficulty of crossheading, has increased excavation cost again;
2) adjacent intermediate channel connection place horizontal direction adaptation angle is less, can't in short distance, realize the crooked requirement of elevating conveyor.
3) elevating conveyor can't guarantee the stationarity of bending section in the progradation with driving surface.
Therefore, designing and a kind ofly can reduce the haulage gate width, satisfy the crooked elevating conveyor intermediate channel that requires with the requirement of bending section stationarity of elevating conveyor short distance simultaneously, is the technical matters of needing solution badly.
Summary of the invention
For solving the technical matters that exists in the above-mentioned correlation technique; One object of the present invention is; A kind of elevating conveyor intermediate channel is provided, when can guarantee to have between slat conveyer head and the elevating conveyor enough unloading distances and coal mining machine cut to pass through rib, reduces the width of haulage gate; And satisfy crooked requirement of elevating conveyor short distance and the requirement of bending section stationarity, thereby reduce the supporting difficulty and the excavation cost of crossheading.
In view of this; The invention provides a kind of elevating conveyor intermediate channel; Comprise first plate washer, first ledge, middle plate, base plate, second ledge and second plate washer, the both sides of said base plate and said middle plate are fixedly attached to said first ledge and said second ledge respectively, and said middle plate is positioned at said base plate top; Said first plate washer is connected on said first ledge; Said second plate washer is connected on said second ledge, and said elevating conveyor intermediate channel comprises first section, second section and the 3rd section, and said second section is positioned between said first section and said the 3rd section; And captive joint with said the 3rd a section end with said first a section end respectively in said second section two ends, said first section with said the 3rd section for the linear portion that is parallel to each other but be not located on the same line.
In this technical scheme; Through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic; Make between two linear portions and stagger each other, when not influencing unloading distance and coal mining machine cut between slat conveyer head and the elevating conveyor and passing through rib, effectively utilized the space of haulage gate; Thereby reduced the width of haulage gate, reached the purpose that reduces haulage gate supporting difficulty and excavation cost; Said second section the setting increased intermediate channel connection place horizontal direction and adapted to angle, realized that elevating conveyor is than the crooked requirement in the short range; Said first section and said the 3rd section placement that is parallel to each other are convenient to be connected with adjacent intermediate channel, have reduced the transformation difficulty to common elevating conveyor intermediate channel, simultaneously common elevating conveyor intermediate channel are used, and have reduced the waste of material, have reduced improvement cost.
In technique scheme, preferably, said first section, second section and the 3rd section are one-body molded.
In this technical scheme, said first section, second section and the 3rd section is formed in one, and has satisfied the requirement of bending section stationarity, has strengthened the stationarity of Coal Transport process, has simplified the production process of this intermediate channel simultaneously, has reduced productive costs.
In technique scheme, preferably, said second section two ends are welded respectively, are riveted or be screwed onto on the end of said first a section end and the 3rd section.
In this technical scheme, said second section two ends are welded, are riveted or be screwed onto on the said first section end respectively and on said the 3rd section end, are convenient to carry out installation, maintenance and dismounting.
In technique scheme, preferably, said second section is linear portion, and said second section intersegmentally has an angle a with said first.
In this technical scheme, said second section is linear portion, has reduced the difficulty of processing of said elevating conveyor intermediate channel, cuts down finished cost, and is convenient to installation and removal simultaneously; Said second section intersegmentally has an angle a with said first; Make the structure of said elevating conveyor intermediate channel that change take place; Bending has appearred in said elevating conveyor intermediate channel; When not influencing unloading distance and coal mining machine cut between slat conveyer head and the elevating conveyor and passing through rib, reached the purpose that reduces the haulage gate width.
In technique scheme, preferably, said angle a is between 3 ° to 5 °.
In this technical scheme; Said angle a is between 3 ° to 5 °; Angle a crosses conference makes coal side pressure to plate washer in transportation excessive, and the too small both out of reachs of angle a reduce haulage gate width purpose, can not satisfy the crooked requirement of elevating conveyor short distance simultaneously.
In technique scheme, preferably, said second section two ends and said first section, the 3rd intersegmental junction are arc transition.
In this technical scheme, said second section two ends and said first section, the 3rd intersegmental junction be made as arc transition both reduced coal in transportation to the side pressure of baffle plate, can guarantee that again the slat conveyer scraper plate steadily passes through.
In technique scheme, preferably, said elevating conveyor intermediate channel is connected with adjacent intermediate channel through said first section and/or said the 3rd section.
In this technical scheme; Through being provided with on the said elevating conveyor intermediate channel first section and/or the 3rd section are connected with adjacent intermediate channel, have reduced the transformation difficulty to common elevating conveyor intermediate channel, simultaneously common elevating conveyor intermediate channel are used; Reduce the waste of material, reduced improvement cost.
In technique scheme, preferably, said first section and/or said the 3rd section is connected with adjacent intermediate channel through dumbbell pin.
In this technical scheme, said first section and/or said the 3rd section is connected with adjacent intermediate channel through dumbbell pin, and the use dumbbell pin connects can actv. assurance intermediate channel bonded assembly reliability, has guaranteed the stationarity of Coal Transport process.
In technique scheme, preferably, said second section is arc section.
In this technical scheme, said second section is the designing requirement that arc section can satisfy said elevating conveyor intermediate channel equally, makes that simultaneously said elevating conveyor intermediate channel is more attractive in appearance.
Another object of the present invention is; A kind of elevating conveyor is provided, comprises the described elevating conveyor intermediate channel of above-mentioned arbitrary technical scheme, through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic; And when can guaranteeing have enough unloading distances and coal mining machine cut to pass through rib between slat conveyer head and the elevating conveyor; Reduce the width of haulage gate, and satisfy crooked requirement of elevating conveyor short distance and the requirement of bending section stationarity, thereby reduce the supporting difficulty and the excavation cost of haulage gate.
In sum; Elevating conveyor intermediate channel provided by the invention and elevating conveyor; Through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic, pass through under the situation of rib with assurance coal mining machine cut in the unloading distance that does not influence between slat conveyer head and the elevating conveyor, reduced the width of haulage gate; And satisfied crooked requirement of elevating conveyor short distance and the requirement of bending section stationarity, thereby reduce the supporting difficulty and the excavation cost of crossheading.
Description of drawings
Fig. 1 is the structural representation of elevating conveyor intermediate channel in the correlation technique;
Fig. 2 is the arrangement scheme drawing of elevating conveyor and haulage gate in the correlation technique;
Fig. 3 is the structural representation according to elevating conveyor intermediate channel one embodiment according to the invention;
Fig. 4 has installed the elevating conveyor of elevating conveyor intermediate channel shown in Figure 3 and the arrangement scheme drawing of haulage gate.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 and Fig. 2:
1 ' first plate washer, 2 ' first ledge, 3 ' base plate, 4 ' middle plate, 5 ' second ledge, 6 ' second plate washer, 21 ' first slat conveyer, 22 ' second slat conveyer, 23 ' haulage gate, 24 ' elevating conveyor;
Corresponding relation among Fig. 3 and Fig. 4 between Reference numeral and the component names is:
1 first plate washer, 2 first ledges, 3 base plates, plate in 4,5 second ledges, 6 second plate washers, 11 first sections, 12 second sections, 12 the 3rd sections, 21 first slat conveyers, 22 second slat conveyers, 23 haulage gates, 24 elevating conveyors.
The specific embodiment
In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage; Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further described in detail; Under the situation of not conflicting, the application's embodiment and the characteristic among the embodiment can make up each other.
A lot of details have been set forth in the following description so that make much of the present invention; But; The present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention does not receive the restriction of following disclosed specific embodiment.
Fig. 3 is the structural representation according to elevating conveyor intermediate channel one embodiment according to the invention, and Fig. 4 has installed the elevating conveyor of elevating conveyor intermediate channel shown in Figure 3 and the arrangement scheme drawing of haulage gate.
As shown in Figure 3; A kind of elevating conveyor intermediate channel provided by the invention; Comprise first plate washer 1, first ledge 2, base plate 3, middle plate 4, second ledge 5 and second plate washer 6, base plate 3 is fixedly attached to first ledge 2 and second ledge 5 respectively with the both sides of middle plate 4, and base plate 3 is arranged in the below of plate 4; First plate washer 1 is connected on first ledge 2; Second plate washer 6 is connected on second ledge 5, and the elevating conveyor intermediate channel comprises first section 11, second sections 12 and the 3rd sections 13, the second sections 12 between said first section 11 and said the 3rd section 13; And captive joint with an end of the 3rd section 13 with an end of first section 11 respectively in second section 12 two ends, and first section 11 and the 3rd section 13 are for the linear portion that is parallel to each other but be not located on the same line.
As shown in Figure 4; Through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic; Make between two linear portions and stagger mutually; Make full use of the locational space between first slat conveyer 21 and second slat conveyer, 22 heads, when not influencing the unloading distance between slat conveyer head and the elevating conveyor and guaranteeing that the coal mining machine cut passes through rib, effectively utilized the space of haulage gate; Thereby can reduce the width of haulage gate 23, reach the purpose that reduces haulage gate 23 supporting difficulty and excavation cost; Second section 12 be provided with increased intermediate channel connection place horizontal direction and adapted to angle, realized that elevating conveyor 24 is than the crooked requirement in the short range; First section 11 and the 3rd section 13 placement that is parallel to each other are convenient to be connected with adjacent intermediate channel, have reduced the transformation difficulty to common elevating conveyor intermediate channel, simultaneously common elevating conveyor intermediate channel are used, and have reduced the waste of material, have reduced improvement cost.
In technique scheme, preferably, first section 11, second sections 12 and the 3rd sections 13 one-body molded.
In this technical scheme, first section 11, second sections 12 and the 3rd sections 13 are formed in one, and have satisfied the requirement of bending section stationarity, have strengthened the stationarity of Coal Transport process, have simplified the production process of this intermediate channel simultaneously, have reduced productive costs.
In technique scheme, preferably, said second section 12 two ends are welded respectively, are riveted or be screwed onto on first section 11 the end of an end and the 3rd section 13.
In this technical scheme, second section 12 two ends are welded, are riveted or be screwed onto on first section 11 the end respectively and on the 3rd section 13 the end, are convenient to carry out installation, maintenance and dismounting.
In technique scheme, preferably, second section 12 is linear portion, and second section 12 and first sections 11 have angle a.
In this technical scheme, second section 12 is linear portion, has reduced the difficulty of processing of said elevating conveyor intermediate channel, cuts down finished cost, and is convenient to installation and removal simultaneously; Second section 12 and first sections 11 have angle a; Make the structure of elevating conveyor intermediate channel that change take place; Bending has appearred in the elevating conveyor intermediate channel; When not influencing unloading distance and coal mining machine cut between slat conveyer head and the elevating conveyor and passing through rib, reached the purpose that reduces the haulage gate width.
In technique scheme, preferably, angle a is between 3 ° to 5 °.
In this technical scheme; Angle a is between 3 ° to 5 °; Angle a crosses conference makes coal side pressure to plate washer in transportation excessive, and the too small both out of reachs of angle a reduce the width purpose of haulage gate, can not satisfy the crooked requirement of elevating conveyor short distance simultaneously.
In technique scheme, preferably, second section 12 two ends and first section 11, the 3rd section 13 s' junction is an arc transition.
In this technical scheme, second section 12 two ends and first section 11, the 3rd section 13 s' junction be made as arc transition both reduced coal in transportation to the side pressure of baffle plate, can guarantee that again the slat conveyer scraper plate steadily passes through.
In technique scheme, preferably, the elevating conveyor intermediate channel is connected with adjacent intermediate channel through first section 11 and/or the 3rd section 13.
In this technical scheme; Through being provided with on the elevating conveyor intermediate channel first section 11 and/or the 3rd section 13 are connected with adjacent intermediate channel, have reduced the transformation difficulty to common elevating conveyor intermediate channel, simultaneously common elevating conveyor intermediate channel are used; Reduce the waste of material, reduced improvement cost.
In technique scheme, preferably, first section 11 and/or the 3rd section 13 is passed through dumbbell pin and is connected with adjacent intermediate channel.
In this technical scheme, first section 11 and/or the 3rd section 13 are connected with adjacent intermediate channel through dumbbell pin, and the use dumbbell pin connects can actv. assurance intermediate channel bonded assembly reliability, have guaranteed the stationarity of Coal Transport process.
In technique scheme, preferably, second section 12 is arc section.
In this technical scheme, second section 12 is the designing requirement that arc section can satisfy said elevating conveyor intermediate channel equally, makes that simultaneously said elevating conveyor intermediate channel is more attractive in appearance.
The present invention also provides a kind of elevating conveyor, comprises the said elevating conveyor intermediate channel of above-mentioned arbitrary embodiment.
In this technical scheme; Through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic, make between two linear portions and stagger mutually, made full use of the locational space between two slat conveyer heads; When not influencing the unloading distance between slat conveyer head and the elevating conveyor and guaranteeing that the coal mining machine cut passes through rib; Effectively utilize the space of haulage gate, thereby can reduce the width of haulage gate, reached the purpose that reduces haulage gate supporting difficulty and excavation cost; Second section be provided with increased intermediate channel connection place horizontal direction and adapted to angle, realized that elevating conveyor is than bending requirement in the short range and the requirement of bending section stationarity; First section and the 3rd section placement that is parallel to each other are convenient to be connected with adjacent intermediate channel, have reduced the difficulty that common elevating conveyor intermediate channel is transformed, and simultaneously common elevating conveyor intermediate channel are used, and have reduced the waste of material, have reduced improvement cost.
In sum; Elevating conveyor intermediate channel provided by the invention and elevating conveyor; Through the elevating conveyor intermediate channel being designed to the warp architecture of syllogic, pass through under the situation of rib with assurance coal mining machine cut in the unloading distance that does not influence between slat conveyer head and the elevating conveyor, reduced the width of haulage gate; And satisfied crooked requirement of elevating conveyor short distance and the requirement of bending section stationarity, thereby the supporting difficulty and the excavation cost of crossheading have been reduced.
In the present invention, term " first ", " second ", " the 3rd " only are used for purpose of description, and can not be interpreted as indication or hint relative importance; Only if clear and definite regulation and qualification are arranged in addition, broad understanding all should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can link to each other indirectly through intermediary.For those of ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. elevating conveyor intermediate channel; Comprise first plate washer (1), first ledge (2), base plate (3), middle plate (4), second ledge (5) and second plate washer (6); Said base plate (3) is fixedly attached to said first ledge (2) and said second ledge (5) respectively with the both sides of said middle plate (4); Plate (4) is positioned at said base plate (3) top in said; Said first plate washer (1) is connected on said first ledge (2); Said second plate washer (6) is connected on said second ledge (5); It is characterized in that said elevating conveyor intermediate channel comprises first section (11), second section (12) and the 3rd section (13), said second section (12) are positioned between said first section (11) and said the 3rd section (13); And captive joint with an end of said the 3rd section (13) with an end of said first section (11) respectively in the two ends of said second section (12), and said first section (11) are the linear portion that is parallel to each other with said the 3rd section (13) but are not located on the same line.
2. elevating conveyor intermediate channel according to claim 1 is characterized in that, said first section (11), second section (12) and the 3rd section (13) are one-body molded.
3. elevating conveyor intermediate channel according to claim 1 is characterized in that, weld respectively, rivet or be screwed onto on the end of said first section (11) on the end with said the 3rd section (13) at the two ends of said second section (12).
4. according to each described elevating conveyor intermediate channel in the claim 1 to 3, it is characterized in that said second section (12) are linear portion, and have angle a between said second section (12) and said first section (11).
5. elevating conveyor intermediate channel according to claim 4 is characterized in that, said angle a is between 3 ° to 5 °.
6. elevating conveyor intermediate channel according to claim 4 is characterized in that, the junction between said second section (12) two ends and said first section (11), the 3rd section (13) is an arc transition.
7. elevating conveyor intermediate channel according to claim 4 is characterized in that, said elevating conveyor intermediate channel is connected with adjacent intermediate channel through said first section (11) and/or said the 3rd section (13).
8. elevating conveyor intermediate channel according to claim 7 is characterized in that, said first section (11) and/or said the 3rd section (13) are connected with adjacent intermediate channel through dumbbell pin.
9. according to each described elevating conveyor intermediate channel in the claim 1 to 3, it is characterized in that said second section (12) are arc section.
10. an elevating conveyor is characterized in that, comprises like each described elevating conveyor intermediate channel in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210302548.2A CN102795449B (en) | 2012-08-23 | 2012-08-23 | Transfer machine middle groove and transfer machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210302548.2A CN102795449B (en) | 2012-08-23 | 2012-08-23 | Transfer machine middle groove and transfer machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102795449A true CN102795449A (en) | 2012-11-28 |
| CN102795449B CN102795449B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210302548.2A Active CN102795449B (en) | 2012-08-23 | 2012-08-23 | Transfer machine middle groove and transfer machine |
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| Country | Link |
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| CN (1) | CN102795449B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506626A (en) * | 2022-03-09 | 2022-05-17 | 焦作神华重型机械制造有限公司 | Scraper conveyor for coal mining and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2639252Y (en) * | 2003-07-25 | 2004-09-08 | 宁夏西北奔牛实业集团有限公司 | Centre trough of opening on middle board of scraper elevating conveyer |
| US20080041693A1 (en) * | 2006-05-30 | 2008-02-21 | Siegfrid Schmidt | Entry conveyor and pan section for the same |
| CN102364061A (en) * | 2011-11-14 | 2012-02-29 | 高九华 | Scraper conveyer central trough with length of 1,000 millimeters |
| CN202325659U (en) * | 2011-10-27 | 2012-07-11 | 淮南郑煤机舜立机械有限公司 | Tank body of scraper loader |
| CN102583037A (en) * | 2012-03-02 | 2012-07-18 | 宁夏天地奔牛实业集团有限公司 | Crossed side dump type rear scraper conveyer |
-
2012
- 2012-08-23 CN CN201210302548.2A patent/CN102795449B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639252Y (en) * | 2003-07-25 | 2004-09-08 | 宁夏西北奔牛实业集团有限公司 | Centre trough of opening on middle board of scraper elevating conveyer |
| US20080041693A1 (en) * | 2006-05-30 | 2008-02-21 | Siegfrid Schmidt | Entry conveyor and pan section for the same |
| CN202325659U (en) * | 2011-10-27 | 2012-07-11 | 淮南郑煤机舜立机械有限公司 | Tank body of scraper loader |
| CN102364061A (en) * | 2011-11-14 | 2012-02-29 | 高九华 | Scraper conveyer central trough with length of 1,000 millimeters |
| CN102583037A (en) * | 2012-03-02 | 2012-07-18 | 宁夏天地奔牛实业集团有限公司 | Crossed side dump type rear scraper conveyer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506626A (en) * | 2022-03-09 | 2022-05-17 | 焦作神华重型机械制造有限公司 | Scraper conveyor for coal mining and control method |
| CN114506626B (en) * | 2022-03-09 | 2024-02-23 | 焦作神华重型机械制造有限公司 | Scraper conveyor for coal mining and control method |
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| Publication number | Publication date |
|---|---|
| CN102795449B (en) | 2015-07-08 |
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