CN204731116U - Original position direct shear apparatus - Google Patents
Original position direct shear apparatus Download PDFInfo
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- CN204731116U CN204731116U CN201520494939.8U CN201520494939U CN204731116U CN 204731116 U CN204731116 U CN 204731116U CN 201520494939 U CN201520494939 U CN 201520494939U CN 204731116 U CN204731116 U CN 204731116U
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- soil
- soil shear
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Abstract
Original position direct shear apparatus, comprise base plate, the edge in base plate plate face is vertically installed with multiple adjusting bolt for regulating base board levelness, the upper surface of base plate is provided with the level meter of the flatness for monitoring base plate, the left-half in base plate plate face is provided with rectangular soil shear case placed hole, the upper surface of base plate is provided with front apron and backboard, front apron is positioned at the forward edge place of soil shear case placed hole, backboard is positioned at the posterior edges place of soil shear case placed hole, the bottom of front apron and backboard is fixedly linked with the upper surface of base plate respectively, the plate face of front apron is installed with multiple soil shear case front limit set screw, the plate face of backboard is installed with spacing set screw after multiple soil shear case.Its object is to provide the situation that a kind of shear strength parameter measuring soil is more realistic, the angle of internal friction obtained thus and the value of cohesiveness, better authenticity, the original position direct shear apparatus that work efficiency is higher.
Description
Technical field
The utility model relates to a kind of original position direct shear apparatus.
Background technology
Direct shear apparatus is mainly used in the shear strength parameter measuring soil, is obtained the value of angle of internal friction and cohesiveness by the relation between shearing force and displacement.Existing direct shear apparatus in use, usually be all after to soil sample, sampling appliance is taken back laboratory together with soil measure, because needs carrying is with mobile, there will be the proterties that the various disturbance affecting measuring accuracy and accuracy changes soil unavoidably, the shear strength parameter of the soil causing direct shear apparatus to measure thus does not conform to actual situation, and the authenticity of the angle of internal friction obtained thus and the value of cohesiveness is poor.
Utility model content
The purpose of this utility model is that providing a kind of can reduce the various disturbance affecting measuring accuracy and accuracy to greatest extent, measure the situation that the shear strength parameter of soil is more realistic, the angle of internal friction obtained thus and the value of cohesiveness, better authenticity, direct shear apparatus volume is moderate, is convenient to carry with car, the direct typing terminal of its data, be convenient to carry out fast processing to experimental data, the original position direct shear apparatus that work efficiency is higher.
The utility model original position direct shear apparatus, comprise base plate, the plate face of base plate is positioned at horizontal direction, the edge in base plate plate face is vertically installed with multiple adjusting bolt for regulating base board levelness, the upper surface of base plate is provided with the level meter of the flatness for monitoring base plate, the left-half in base plate plate face is provided with rectangular soil shear case placed hole, soil shear case placed hole vertically runs through the plate face of base plate, the upper surface of base plate is provided with front apron and backboard, the plate face of front apron and backboard is positioned at left and right vertical direction and is parallel to each other, front apron is positioned at the forward edge place of soil shear case placed hole, backboard is positioned at the posterior edges place of soil shear case placed hole, the bottom of front apron and backboard is fixedly linked with the upper surface of described base plate respectively, the plate face of front apron is installed with multiple soil shear case front limit set screw, the axis of multiple soil shear case front limit set screw lays respectively at anterior-posterior horizontal direction, multiple soil shear case front limit set screw is evenly arranged from left to right, the plate face of described backboard is installed with spacing set screw after multiple soil shear case, after multiple soil shear case, the axis of spacing set screw lays respectively at anterior-posterior horizontal direction, after multiple soil shear case, spacing set screw is evenly arranged from left to right,
The plate face of described base plate is provided with set screw and lays window, set screw lays the left side that window is positioned at described soil shear case placed hole, set screw lays the plate face that window vertically runs through described base plate, the right side inwall that set screw lays window is installed with bolt, the axis of bolt is positioned at left and right horizontal direction, and the right-hand member of bolt can put in described soil shear case placed hole;
The upper surface of described base plate is positioned near described soil shear case placed hole and is provided with magnetostrictive displacement sensor, the right half part of base plate upper surface is provided with electric cylinder, the expansion link of electric cylinder can in the horizontal direction to left movement top to described soil shear case placed hole place, and the external part of the expansion link of electric cylinder is provided with pull pressure sensor;
Also comprise shearing box body, upper shearing box body is vertically provided with upper box through hole, the xsect of upper box through hole is square, the below of described upper shearing box body is provided with down cut box body, the top of down cut box body can be affixed with the bottom of upper shearing box body, down cut box body is vertically provided with lower box through hole, the xsect of lower box through hole is square, the area equation of the area of the xsect of lower box through hole and the xsect of upper box through hole, the bottom of the sidewall of described down cut box body is blade-like, the top employing clearance fit of the whole and down cut box body of described upper shearing box body is sleeved on shearing case and presses down in sleeve, the top that shearing case presses down sleeve lining has the bulge loop protruding from inwall, bulge loop end face down can be affixed with the described upper shearing box body top end face that matches, described shearing case presses down a left side for sleeve, on right side wall or front, rear wall is respectively equipped with handle,
Described upper shearing box body and described down cut box body vertically can pass described soil shear case placed hole, the detecting head of described pull pressure sensor can match with the right end sidewalls of upper shearing box body, the detecting head of described magnetostrictive displacement sensor can match with the left end sidewall of upper shearing box body, the inner end of multiple described soil shear case front limit set screw can be affixed with the front end side wall of upper shearing box body, after multiple described soil shear case, the inner end of spacing set screw can be affixed with the rear end sidewall of upper shearing box body, the right-hand member of described bolt can be affixed with the left end end face of described down cut box body,
Also comprise more than one soil counterweight pressing block, it is foursquare column body that the bottom of soil counterweight pressing block has xsect, column body can insert in the lower box through hole on described down cut box body, the area equation of the area of the xsect of lower box through hole and the xsect of column body.
Original position direct shear apparatus of the present utility model, wherein said base plate is rectangle, and the quantity of described adjusting bolt is 6-8, and adjusting bolt is positioned at the corner of base plate and the middle part of two long sides.
Original position direct shear apparatus of the present utility model, the quantity of wherein said soil shear case front limit set screw is 3-5, the termination, inner end of soil shear case front limit set screw is smooth hemisphere face, after described soil shear case, the quantity of spacing set screw is 3-5, after soil shear case, the termination, inner end of spacing set screw is smooth hemisphere face, and the right-hand member of described bolt is smooth hemisphere face.
Original position direct shear apparatus of the present utility model, wherein the top of each described soil counterweight pressing block has a foursquare end cap respectively, and the top end face of each end cap is respectively equipped with foursquare deep gouge, and the bottom of described column body can be inserted in deep gouge.
Original position direct shear apparatus of the present utility model, wherein said magnetostrictive displacement sensor is arranged on the front end described base plate is positioned on the left of soil shear case placed hole, and the slideway for installing detecting head on magnetostrictive displacement sensor is positioned at left and right horizontal direction.
Original position direct shear apparatus of the present utility model is after to soil sample, owing to not carrying out any carrying and movement, the various disturbance affecting measuring accuracy and accuracy can be reduced to greatest extent, therefore the situation utilizing the shear strength parameter of original position direct shear apparatus of the present utility model measurement soil more realistic, the angle of internal friction obtained thus and the value of cohesiveness, better authenticity.In addition, original position direct shear apparatus volume of the present utility model is moderate, is convenient to carry with car.Whole measurement system and loading system electromechanicsization, the direct typing terminal of data, be convenient to carry out fast processing to experimental data, its work efficiency is higher.
Original position direct shear apparatus of the present utility model directly can be measured under the maintenance soil sample prerequisite that state is constant in situ.This direct shear apparatus sampling container is square, improves circular soil sample in the uneven shortcoming of shear surface stress distribution, closer to the interaction process of crawler belt and soil.Meanwhile, the control of whole direct shear apparatus, DATA REASONING and process are all realized by Mechatronic Systems, accurately facilitate.
Below in conjunction with accompanying drawing, original position direct shear apparatus of the present utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the front view of the structural representation of original position direct shear apparatus of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the stereographic map of the structural representation of original position direct shear apparatus of the present utility model;
Fig. 4 is the main pseudosection that the shearing case of original position direct shear apparatus of the present utility model presses down the structural representation of sleeve, upper shearing box body and down cut box body part;
Fig. 5 is the stereographic map that the shearing case of original position direct shear apparatus of the present utility model presses down the structural representation of sleeve, upper shearing box body and down cut box body part.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, original position direct shear apparatus of the present utility model, comprise base plate 1, the plate face of base plate 1 is positioned at horizontal direction, the edge in base plate 1 plate face is vertically installed with multiple adjusting bolt 2 for regulating base board 1 levelness, the upper surface of base plate 1 is provided with the level meter 11 of the flatness for monitoring base plate 1, the left-half in base plate 1 plate face is provided with rectangular soil shear case placed hole 3, soil shear case placed hole 3 vertically runs through the plate face of base plate 1, the upper surface of base plate 1 is provided with front apron 5 and backboard 4, the plate face of front apron 5 and backboard 4 is positioned at left and right vertical direction and is parallel to each other, front apron 5 is positioned at the forward edge place of soil shear case placed hole 3, backboard 4 is positioned at the posterior edges place of soil shear case placed hole 3, the bottom of front apron 5 and backboard 4 is fixedly linked with the upper surface of base plate 1 respectively, the plate face of front apron 5 is installed with multiple soil shear case front limit set screw 6, the axis of multiple soil shear case front limit set screw 6 lays respectively at anterior-posterior horizontal direction, multiple soil shear case front limit set screw 6 is evenly arranged from left to right, the plate face of backboard 4 is installed with spacing set screw 7 after multiple soil shear case, after multiple soil shear case, the axis of spacing set screw 7 lays respectively at anterior-posterior horizontal direction, after multiple soil shear case, spacing set screw 7 is evenly arranged from left to right,
The plate face of base plate 1 is provided with set screw and lays window 8, set screw lays the left side that window 8 is positioned at soil shear case placed hole 3, set screw lays the plate face that window 8 vertically runs through base plate 1, the right side inwall that set screw lays window 8 is installed with bolt 9, the axis of bolt 9 is positioned at left and right horizontal direction, and the right-hand member of bolt 9 can put in soil shear case placed hole 3;
The upper surface of base plate 1 is positioned near soil shear case placed hole 3 and is provided with magnetostrictive displacement sensor 10, the right half part of base plate 1 upper surface is provided with electric cylinder 12, the expansion link of electric cylinder 12 can in the horizontal direction to left movement top to soil shear case placed hole 3 place, and the external part of the expansion link of electric cylinder 12 is provided with pull pressure sensor 13;
As shown in Figure 4 and Figure 5, also comprise shearing box body 20, upper shearing box body 20 is vertically provided with upper box through hole, the xsect of upper box through hole is square, the below of upper shearing box body 20 is provided with down cut box body 14, the top of down cut box body 14 can be affixed with the bottom of upper shearing box body 20, down cut box body 14 is vertically provided with lower box through hole, the xsect of lower box through hole is square, the area equation of the area of the xsect of lower box through hole and the xsect of upper box through hole, the bottom of the sidewall of down cut box body 14 is blade-like, the top employing clearance fit of the whole and down cut box body 14 of upper shearing box body 20 is sleeved on shearing case and presses down in sleeve 21, the top that shearing case presses down sleeve 21 inwall has the bulge loop 15 protruding from inwall, bulge loop 15 end face down can be affixed with the upper shearing box body 20 top end face that matches, shear the left side that case presses down sleeve 21, on right side wall or front, rear wall is respectively equipped with handle 16,
As shown in Figure 3, upper shearing box body 20 and down cut box body 14 vertically can pass soil shear case placed hole 3, the detecting head of pull pressure sensor 13 can match with the right end sidewalls of upper shearing box body 20, the detecting head of magnetostrictive displacement sensor 10 can match with the left end sidewall of upper shearing box body 20, the inner end of multiple soil shear case front limit set screw 6 can be affixed with the front end side wall of upper shearing box body 20, after multiple soil shear case, the inner end of spacing set screw 7 can be affixed with the rear end sidewall of upper shearing box body 20, the right-hand member of bolt 9 can be affixed with the left end end face of down cut box body 14,
As shown in Figure 3, also comprise more than one soil counterweight pressing block, it is foursquare column body 19 that the bottom of soil counterweight pressing block has xsect, column body 19 can insert in the lower box through hole on down cut box body 14, the area equation of the area of the xsect of lower box through hole and the xsect of column body 19.
As further improvement of the utility model, above-mentioned base plate 1 is rectangle, and the quantity of adjusting bolt 2 is 6-8, and adjusting bolt 2 is positioned at the corner of base plate 1 and the middle part of two long sides.
As further improvement of the utility model, the quantity of above-mentioned soil shear case front limit set screw 6 is 3-5, the termination, inner end of soil shear case front limit set screw 6 is smooth hemisphere face, after soil shear case, the quantity of spacing set screw 7 is 3-5, after soil shear case, the termination, inner end of spacing set screw 7 is smooth hemisphere face, and the right-hand member of bolt 9 is smooth hemisphere face.
As further improvement of the utility model, the top of above-mentioned each soil counterweight pressing block has a foursquare end cap 17 respectively, and the top end face of each end cap 17 is respectively equipped with foursquare deep gouge 18, and the bottom of column body 19 can be inserted in deep gouge 18.
As further improvement of the utility model, above-mentioned magnetostrictive displacement sensor 10 is arranged on front end base plate 1 is positioned on the left of soil shear case placed hole 3, and the slideway for installing detecting head on magnetostrictive displacement sensor 10 is positioned at left and right horizontal direction.
Original position direct shear apparatus of the present utility model, it is sheared on box body 20 and down cut box body 14, under form soil sample container to being combined, involutory surface is the shear plane of shear test, when to soil sample, first by upper shearing box body 20 and down cut box body 14, under to being combined, then utilize shearing case to press down sleeve 21 upper shearing box body 20 and down cut box body 14 are set in together, to prevent from sampling process shearing box body 20 and down cut box body 14 mutually to slide dislocation, vertically press down shearing case again and press down sleeve 21, a part for the whole of down cut box body 14 and upper shearing box body 20 is allowed to insert in soil, and push the soil of shearing box body 20 and down cut box body 14 middle and upper part outer side wall perimeter aside, namely sampling process completes, then keep upper and shear box body 20 and the original position of down cut box body 14 is not moved, take off shearing case and press down sleeve 21, again base plate 1 is moved over, soil shear case placed hole 3 is vertically overlapped and lives in shear box body 20 and down cut box body 14, eye-level instrument 11 again, and utilize the flatness of adjusting bolt 2 regulating base board 1, it is made to keep horizontality as far as possible, and then adjust spacing set screw 7 after soil shear case front limit set screw 6 and soil shear case, the inner end of soil shear case front limit set screw 6 (being also rear end) is allowed to contact with the front end outer side wall of upper shearing box body 20, the inner end of soil shear case front limit set screw 6 (being also front end) is allowed to contact with the rear end lateral wall of set screw 7 spacing after soil shear case, and then adjust bolt 9, the right-hand member of bolt 9 is made to contact with the left end lateral wall of down cut box body 14, adjust the detecting head of magnetostrictive displacement sensor 10 again, it is made to contact with the left end lateral wall of upper shearing box body 20, restart electric cylinder 12, make its expansion link towards left movement, make its detecting head promoting pull pressure sensor 13 contact with the right-hand member lateral wall of upper shearing box body 20 namely stop (pull pressure sensor 13 just has registration), push down sampling soil in the upper box through hole after allowing, the column body 19 of a soil counterweight pressing block being inserted upper shearing box body 20, and can experimentally need superposition above first soil counterweight pressing block to place multiple soil counterweight pressing block, so far, the preliminary work of experiment completes.After this electric cylinder 12 can be started, its expansion link is made (to be generally 3mm/ minute according to the speed of setting, the distance advanced is 6mm) promote towards left movement the right-hand member that pull pressure sensor 13 presses to upper shearing box body 20 lateral wall, the experimental data of being correlated with namely is obtained by pertinent instruments.Original position direct shear apparatus of the present utility model is after to soil sample, owing to not carrying out any carrying and movement, the various disturbance affecting measuring accuracy and accuracy can be reduced to greatest extent, therefore the situation utilizing the shear strength parameter of original position direct shear apparatus of the present utility model measurement soil more realistic, the angle of internal friction obtained thus and the value of cohesiveness, better authenticity.In addition, original position direct shear apparatus volume of the present utility model is moderate, is convenient to carry with car.Whole measurement system and loading system electromechanicsization, the direct typing terminal of data, be convenient to carry out fast processing to experimental data, its work efficiency is higher.
Claims (5)
1. original position direct shear apparatus, it is characterized in that: comprise base plate (1), the plate face of base plate (1) is positioned at horizontal direction, the edge in base plate (1) plate face is vertically installed with multiple adjusting bolt (2) for regulating base board (1) levelness, the upper surface of base plate (1) is provided with the level meter (11) of the flatness for monitoring base plate (1), the left-half in base plate (1) plate face is provided with rectangular soil shear case placed hole (3), soil shear case placed hole (3) vertically runs through the plate face of base plate (1), the upper surface of base plate (1) is provided with front apron (5) and backboard (4), the plate face of front apron (5) and backboard (4) is positioned at left and right vertical direction and is parallel to each other, front apron (5) is positioned at the forward edge place of soil shear case placed hole (3), backboard (4) is positioned at the posterior edges place of soil shear case placed hole (3), the bottom of front apron (5) and backboard (4) is fixedly linked with the upper surface of described base plate (1) respectively, the plate face of front apron (5) is installed with multiple soil shear case front limit set screw (6), the axis of multiple soil shear case front limit set screw (6) lays respectively at anterior-posterior horizontal direction, multiple soil shear case front limit set screw (6) is evenly arranged from left to right, the plate face of described backboard (4) is installed with spacing set screw (7) after multiple soil shear case, after multiple soil shear case, the axis of spacing set screw (7) lays respectively at anterior-posterior horizontal direction, after multiple soil shear case, spacing set screw (7) is evenly arranged from left to right,
The plate face of described base plate (1) is provided with set screw and lays window (8), set screw lays the left side that window (8) is positioned at described soil shear case placed hole (3), set screw lays the plate face that window (8) vertically runs through described base plate (1), the right side inwall that set screw lays window (8) is installed with bolt (9), the axis of bolt (9) is positioned at left and right horizontal direction, and the right-hand member of bolt (9) can put in described soil shear case placed hole (3);
The upper surface of described base plate (1) is positioned near described soil shear case placed hole (3) and is provided with magnetostrictive displacement sensor (10), the right half part of base plate (1) upper surface is provided with electric cylinder (12), the expansion link of electric cylinder (12) can in the horizontal direction to left movement top to described soil shear case placed hole (3) place, and the external part of the expansion link of electric cylinder (12) is provided with pull pressure sensor (13);
Also comprise shearing box body (20), upper shearing box body (20) is vertically provided with upper box through hole, the xsect of upper box through hole is square, the below of described upper shearing box body (20) is provided with down cut box body (14), the top of down cut box body (14) can be affixed with the bottom of upper shearing box body (20), (14) are vertically provided with lower box through hole to down cut box body, the xsect of lower box through hole is square, the area equation of the area of the xsect of lower box through hole and the xsect of upper box through hole, the bottom of the sidewall of described down cut box body (14) is blade-like, the top employing clearance fit of the whole and down cut box body (14) of described upper shearing box body (20) is sleeved on shearing case and presses down in sleeve (21), the top that shearing case presses down sleeve (21) inwall has the bulge loop (15) protruding from inwall, bulge loop (15) end face down can be affixed with described upper shearing box body (20) the top end face that matches, described shearing case presses down a left side for sleeve (21), on right side wall or front, rear wall is respectively equipped with handle (16),
Described upper shearing box body (20) and described down cut box body (14) vertically can pass described soil shear case placed hole (3), the detecting head of described pull pressure sensor (13) can match with the right end sidewalls of upper shearing box body (20), the detecting head of described magnetostrictive displacement sensor (10) can match with the left end sidewall of upper shearing box body (20), the inner end of multiple described soil shear case front limit set screw (6) can be affixed with the front end side wall of upper shearing box body (20), after multiple described soil shear case, the inner end of spacing set screw (7) can be affixed with the rear end sidewall of upper shearing box body (20), the right-hand member of described bolt (9) can be affixed with the left end end face of described down cut box body (14),
Also comprise more than one soil counterweight pressing block, it is foursquare column body (19) that the bottom of soil counterweight pressing block has xsect, column body (19) can insert in the lower box through hole on described down cut box body (14), the area equation of the area of the xsect of lower box through hole and the xsect of column body (19).
2. original position direct shear apparatus according to claim 1, it is characterized in that: described base plate (1) is rectangle, the quantity of described adjusting bolt (2) is 6-8, and adjusting bolt (2) is positioned at the corner of base plate (1) and the middle part of two long sides.
3. original position direct shear apparatus according to claim 2, it is characterized in that: the quantity of described soil shear case front limit set screw (6) is 3-5, the termination, inner end of soil shear case front limit set screw (6) is smooth hemisphere face, after described soil shear case, the quantity of spacing set screw (7) is 3-5, after soil shear case, the termination, inner end of spacing set screw (7) is smooth hemisphere face, and the right-hand member of described bolt (9) is smooth hemisphere face.
4. original position direct shear apparatus according to claim 3, it is characterized in that: the top of each described soil counterweight pressing block has a foursquare end cap (17) respectively, the top end face of each end cap (17) is respectively equipped with foursquare deep gouge (18), the bottom of described column body (19) can be inserted in deep gouge (18).
5. original position direct shear apparatus according to claim 4, it is characterized in that: described magnetostrictive displacement sensor (10) is arranged on the front end described base plate (1) being positioned at soil shear case placed hole (3) left side, and (10) are positioned at left and right horizontal direction for the slideway installing detecting head to magnetostrictive displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494939.8U CN204731116U (en) | 2015-07-09 | 2015-07-09 | Original position direct shear apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494939.8U CN204731116U (en) | 2015-07-09 | 2015-07-09 | Original position direct shear apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731116U true CN204731116U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520494939.8U Withdrawn - After Issue CN204731116U (en) | 2015-07-09 | 2015-07-09 | Original position direct shear apparatus |
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| CN (1) | CN204731116U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977216A (en) * | 2015-07-09 | 2015-10-14 | 北京神州龙鼎科技有限公司 | In situ direct shear apparatus |
| CN106018124A (en) * | 2016-05-19 | 2016-10-12 | 同济大学 | Static-dynamic leakage-proof shear box device for large-size geotechnical direct shearing apparatus |
| CN108871893A (en) * | 2016-04-07 | 2018-11-23 | 三峡大学 | A kind of method that scene Soil Direct Shear test prepares the soil body with soil body preparation device |
-
2015
- 2015-07-09 CN CN201520494939.8U patent/CN204731116U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977216A (en) * | 2015-07-09 | 2015-10-14 | 北京神州龙鼎科技有限公司 | In situ direct shear apparatus |
| CN108871893A (en) * | 2016-04-07 | 2018-11-23 | 三峡大学 | A kind of method that scene Soil Direct Shear test prepares the soil body with soil body preparation device |
| CN108871893B (en) * | 2016-04-07 | 2021-01-26 | 三峡大学 | Method for preparing soil body by soil body preparation device for on-site soil body direct shear test |
| CN106018124A (en) * | 2016-05-19 | 2016-10-12 | 同济大学 | Static-dynamic leakage-proof shear box device for large-size geotechnical direct shearing apparatus |
| CN106018124B (en) * | 2016-05-19 | 2020-06-26 | 同济大学 | Static and dynamic leakage-proof shear box device for large-size geotechnical direct shear apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20170721 |