CN203941058U - The micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board - Google Patents
The micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board Download PDFInfo
- Publication number
- CN203941058U CN203941058U CN201420387511.9U CN201420387511U CN203941058U CN 203941058 U CN203941058 U CN 203941058U CN 201420387511 U CN201420387511 U CN 201420387511U CN 203941058 U CN203941058 U CN 203941058U
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- slide block
- guide rail
- rectangular recess
- loading plate
- slide
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Abstract
The utility model provides the micro-friction load of a kind of Geotechnical Engineering triaxial compression test force transmitting board, comprise circular loading plate, the center of circular loading plate is provided with slide block stop rod, circular loading plate is along the circumferential direction radial six the first rectangular recess that are evenly distributed with, the centre of adjacent two the first rectangular recess is provided with the 3rd rectangular recess, between the 3rd rectangular recess of the first rectangular recess and vicinity, be provided with the second rectangular recess, the first rectangular recess, the second rectangular recess and the 3rd rectangular recess embed respectively the first guide rail accordingly, the second guide rail, the 3rd guide rail, on above-mentioned guide rail, be provided with two arc grooves, in arc groove, be provided with steel ball, radially be provided with successively multi-turn slide block along circular loading plate on guide rail, slide block can radially be free to slide by steel ball on guide rail.The utility model is applied to xial feed on sample by multi-turn automatic slider, reduces friction resistance between slide block and circular loading plate by steel ball simultaneously, can solve sample end restraint problem.
Description
Technical field
The utility model relates to soil mechanics shop experiment technical field, specifically the micro-friction load of a kind of Geotechnical Engineering triaxial compression test force transmitting board.
Background technology
In geotechnological triaxial test, between soil body material (sample) and loading structure (steel construction) due to the inharmonious friction force (abbreviation interface friction resistance) that often will produce between the two of distortion, the existence of interface friction resistance directly has influence on the truly stressed of sample, have influence on the distortion size and geometric of sample, even can make test result occur uncertain.Now there are some researches show, in ordinary triaxial test, under a certain strain regime, there is larger difference in the displacement of the particle in sample in zones of different, the relative displacement of the particle in subtriangular region, upper and lower end is minimum, the relative displacement of the particle in this extra-regional sample central region is larger, presents drum type form after sample shear is cut into.These are all the external presentation that interface, end friction resistance causes.Therefore, explore and the micro-friction load of a kind of Geotechnical Engineering triaxial compression test of utility model force transmitting board, effectively eliminate the end friction resistance of sample, and load is applied on sample, make the sample can Free Transform in surface of contact tangential direction, improve as far as possible test accuracy, there is important practical usage.
The technology of existing reduction interface friction resistance has following several conventionally: adopt the pad that high polishing plate, friction factor are less or be coated with the lubricant such as butter, vaseline between load plate and sample surface of contact, though above method has certain effect, but still can not meet the requirement of test.
Utility model content
The purpose of this utility model is to provide the micro-friction load of a kind of Geotechnical Engineering triaxial compression test force transmitting board, to solve the excessive end restraint problem causing of the interface friction resistance existing in triaxial test.
The utility model adopts following technical scheme to realize:
The micro-friction load of a kind of Geotechnical Engineering triaxial compression test force transmitting board, comprise circular loading plate, the center of circular loading plate is provided with slide block stop rod, circular loading plate is along the circumferential direction radial six the first rectangular recess that are evenly distributed with, the centre of adjacent two the first rectangular recess is provided with the 3rd rectangular recess, between the 3rd rectangular recess of the first rectangular recess and vicinity, be provided with the second rectangular recess, the first rectangular recess, the second rectangular recess and the 3rd rectangular recess embed and have the first guide rail accordingly respectively, the second guide rail, the 3rd guide rail, the first guide rail, the second guide rail, on the 3rd guide rail, be provided with arc groove, in arc groove, be provided with steel ball, the first guide rail, the second guide rail, radially be provided with successively multi-turn slide block along circular loading plate on the 3rd guide rail, multi-turn slide block is combined into a disk that diameter is more bigger than circular loading plate with slide block stop rod, slide block can be at the first guide rail by steel ball, the second guide rail, on the 3rd guide rail, be radially free to slide.
The micro-friction load of Geotechnical Engineering triaxial compression test as above force transmitting board, radially be provided with successively seven circle slide blocks along circular loading plate, formed by the first slide block, the second slide block, the 3rd slide block, Four-slider, the 5th slide block, the 6th slide block, the 7th slide block respectively from the inside to the outside, the first slide block is adjacent with slide block stop rod, the first slide block, the second slide block, the 3rd slide block, Four-slider, the 5th slide block, the 6th slide block, the 7th slide block are radially arranged in successively on the first guide rail along circular loading plate, and are radially free to slide on the first guide rail by steel ball; Four-slider, the 5th slide block, the 6th slide block, the 7th slide block are radially arranged in above the second guide rail successively, and are radially free to slide on the second guide rail by steel ball; The second slide block, the 3rd slide block, Four-slider, the 5th slide block, the 6th slide block, the 7th slide block are radially arranged in the 3rd above guide rail successively, and are radially free to slide on the 3rd guide rail by steel ball.
The micro-friction load of Geotechnical Engineering triaxial compression test as above force transmitting board, the first slide block is evenly distributed with 6 along hoop, the second slide block, the 3rd slide block are uniformly distributed and respectively have 12 along hoop, Four-slider, the 5th slide block, the 6th slide block, the 7th slide block are uniformly distributed and respectively have 24 along hoop, all 126 slide blocks and slide block stop rod are combined into a disk, for directly contacting with sample.
The micro-friction load of Geotechnical Engineering triaxial compression test as above force transmitting board, guide rail comprises that a cross section is the guide rail body of convex shape, guide rail body top is interval with two arc grooves to lower recess, in each arc groove, be covered with steel ball, guide rail body both sides are step surface on one side, and opposite side step surface upright side walls is provided with chute; Slide block comprises a fan-shaped body, and fan-shaped body bottom is provided with the first vertical draw runner and the second draw runner, and the second draw runner is provided with the raised line of corresponding slide block upper hopper chute, and the first draw runner contacts with step surface, and the raised line of the second draw runner is inserted in the chute of guide rail.
The micro-friction load of Geotechnical Engineering triaxial compression test as above force transmitting board, the first rectangular recess, the second rectangular recess and the 3rd rectangular recess all offer bolt hole, on the first guide rail, the second guide rail, the 3rd guide rail, correspondence is provided with fixed orifice, and guide rail is locked in circular loading plate by the bolt hole on fixed orifice, groove on screw bolt passes guide rail.
The micro-friction load of Geotechnical Engineering triaxial compression test as above force transmitting board, the diameter of the circular loading plate in bottom is 300mm, directly bears the xial feed applying, slide block stop rod is 320mm with the disk diameter that slide block is combined into, for directly contacting with sample.
The utility model is in triaxial test, xial feed to be applied on sample by multi-turn automatic slider, between slide block and circular loading plate, make sliding friction become rolling friction by steel ball simultaneously, thereby effectively reduce the interface friction resistance between sample and load plate, make the sample can Free Transform in surface of contact tangential direction, can solve sample end restraint problem, improve as far as possible test accuracy, improve the technical merit of triaxial test.
Brief description of the drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board;
Fig. 2 is the guide rail arrangenent diagram of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board;
Fig. 3 is the slide block arrangenent diagram of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board;
Fig. 4 is the cut-open view of the utility model guide rail (6,7,8);
Fig. 5 is the cut-open view of the utility model slide block (12-18);
Fig. 6 is the perspective view of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board;
Fig. 7 is the cut-open view of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board.
In figure: 1-circular loading plate, the 2-the first rectangular recess, the 3-the second rectangular recess, the 4-the three rectangular recess, 5-bolt hole, the 6-the first guide rail, the 7-the second guide rail, the 8-the three guide rail, 9-arc groove, 10-steel ball, 11-slide block stop rod, the 12-the first slide block, the 13-the second slide block, the 14-the three slide block, the 15-the Four-slider, the 16-the five slide block, the 17-the six slide block, the 18-the seven slide block, 19-step surface, 20-chute, 21-fan-shaped body, the 22-the first draw runner, the 23-the second draw runner, 24-raised line.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Figure 1 shows that the STRUCTURE DECOMPOSITION schematic diagram of the micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board, the micro-friction load of described Geotechnical Engineering triaxial compression test force transmitting board comprises circular loading plate 1, the center of circular loading plate 1 is provided with slide block stop rod 11, circular loading plate 1 is along the circumferential direction radial six the first rectangular recess 2 that are evenly distributed with, one end of the first rectangular recess 2 contacts with slide block stop rod 11, and the other end extends to circular loading plate 1 edge.One end that the centre of adjacent two the first rectangular recess 2 is provided with the 3rd rectangular recess 4, the three rectangular recess 4 and contiguous the first rectangular recess 2 against, the other end extends to circular loading plate 1 edge.The one end that is provided with the second rectangular recess 3, the second rectangular recess 3 between the first rectangular recess 2 and contiguous the 3rd rectangular recess 4 and the 3rd contiguous rectangular recess 4 against, the other end extends to circular loading plate 1 edge.
Please also refer to Fig. 2, the first rectangular recess 2, the second rectangular recess 3 and the 3rd rectangular recess 4 embed and have the first guide rail 6, the second guide rail 7, the 3rd guide rail 8 accordingly respectively, insert depth is 6mm, the first guide rail 6, the 3rd guide rail 8 are uniformly distributed and respectively have 6 along hoop simultaneously, the second guide rail 7 is evenly distributed with 12 along hoop, and is fixedly connected with circular loading plate 1 by bolt.Concrete, the first rectangular recess 2, the second rectangular recess 3 and the 3rd rectangular recess 4 all offer bolt hole 5, on the first guide rail 6, the second guide rail 7, the 3rd guide rail 8, correspondence is provided with fixed orifice, and the bolt hole 6 on fixed orifice, groove on screw bolt passes guide rail can be locked in guide rail circular loading plate 1.
Please also refer to Fig. 3, on the first guide rail 6, the second guide rail 7, the 3rd guide rail 8 along circular loading plate 1 be radially provided with successively multi-turn slide block, be respectively from the inside to the outside the first slide block 12, the second slide block 13, the 3rd slide block 14, Four-slider 15, the 5th slide block 16, the 6th slide block 17, the 7th slide block 18.Therein in an enforcement, the first slide block 12 is adjacent with slide block stop rod 11, the first slide block 12, the second slide block 13, the 3rd slide block 14, Four-slider 15, the 5th slide block 16, the 6th slide block 17, the 7th slide block 18 are radially arranged in successively on the first guide rail 6 along circular loading plate 1, and are radially free to slide on the first guide rail 6 by steel ball 10; Four-slider 15, the 5th slide block 16, the 6th slide block 17, the 7th slide block 18 are radially arranged in successively above the second guide rail 7, and are radially free to slide on the second guide rail 7 by steel ball 10; The second slide block 13, the 3rd slide block 14, Four-slider 15, the 5th slide block 16, the 6th slide block 17, the 7th slide block 18 are radially arranged in successively above the 3rd guide rail 8, and are radially free to slide on the 3rd guide rail 8 by steel ball 10.The first slide block is evenly distributed with 6 along hoop simultaneously, the second slide block 13, the 3rd slide block 14 are uniformly distributed and respectively have 12 along hoop, Four-slider 15, the 5th slide block 16, the 6th slide block 17, the 7th slide block 18 are uniformly distributed and respectively have 24 along hoop, and all 126 slide blocks all can be free to slide along guide rail by steel ball 10.
Please also refer to Fig. 4, in an embodiment, guide rail (6,7,8) comprises that a cross section is the guide rail body of convex shape therein, and guide rail body top is interval with two arc grooves 9 to lower recess, and arc groove 9 the insides are covered with steel ball 10.Guide rail body both sides are step surface 19 on one side, and opposite side step surface upright side walls is provided with chute 20.
Please also refer to Fig. 5, slide block (12-18) is included as a quadrant block with both wings, and guide rail outside is close in both wings inner side.Concrete, slide block (12-18) comprises a fan-shaped body 21, fan-shaped body 21 bottoms are provided with the first vertical draw runner 22 and the second draw runner 23, the second draw runner 23 is provided with the raised line 24 of corresponding slide block upper hopper chute 20, when mounted, in arc groove 9, fill steel ball 10, slide block and fan-shaped body 21 are clasped, fan-shaped body 21 covers arc groove 9, the first draw runner 22 contacts with step surface 19, the raised line 24 of the second draw runner 23 is inserted in the chute 20 of guide rail, and can slide along chute 20, slide block can be realized along guide rail and radially sliding in the cooperation of step surface 19 and chute 20 by the steel ball 10 in arc groove 9 and the first draw runner 22 and the second draw runner 23 like this.
As shown in Figure 6, the micro-friction load of the present embodiment Geotechnical Engineering triaxial compression test force transmitting board has 126 slide blocks, above-mentioned 126 slide blocks and 1 slide block stop rod 11 are combined into a diameter to be the disk of 320mm and directly to contact with sample, and can on guide rail, be free to slide by steel ball 10, make in axial loading procedure the sample end radially can Free Transform, reach micro-friction effect, solve three axle sample end friction resistance problems.
As shown in Figure 7, the micro-friction load of a kind of Geotechnical Engineering triaxial compression test force transmitting board is variable cross section disk, be followed successively by from the bottom up circular loading plate 1, guide rail (6,7,8), steel ball 10, slide block (12-18), base diameter is 300mm, contact with load plate, upper diameter is 320mm, directly contacts with sample.The micro-friction load of the utility model Geotechnical Engineering triaxial compression test force transmitting board, can effectively load be applied on sample, in sample and load force transmitting board interface surface of contact tangential direction, there is no friction force or friction resistance minimum (micro-friction), sample can Free Transform in surface of contact tangential direction, improves as far as possible test accuracy.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any belong to those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (6)
1. the micro-friction load of a Geotechnical Engineering triaxial compression test force transmitting board, it is characterized in that: comprise circular loading plate (1), the center of circular loading plate (1) is provided with slide block stop rod (11), circular loading plate (1) is along the circumferential direction radial six the first rectangular recess (2) that are evenly distributed with, the centre of adjacent two the first rectangular recess (2) is provided with the 3rd rectangular recess (4), between the 3rd rectangular recess (4) of the first rectangular recess (2) and vicinity, be provided with the second rectangular recess (3), the first rectangular recess (2), the second rectangular recess (3) and the 3rd rectangular recess (4) embed respectively the first guide rail (6) accordingly, the second guide rail (7), the 3rd guide rail (8), the first guide rail (6), the second guide rail (7), on the 3rd guide rail (8), be provided with arc groove (9), the inner steel ball (10) that is provided with of arc groove (9), the first guide rail (6), the second guide rail (7), the 3rd guide rail (8) is upper is radially provided with multi-turn slide block successively along circular loading plate (1), multi-turn slide block and slide block stop rod (11) are combined into the diameter disk more bigger than circular loading plate (1), slide block can be in the first guide rail (6) by steel ball (10), the second guide rail (7), on the 3rd guide rail (8), be radially free to slide.
2. the micro-friction load of Geotechnical Engineering triaxial compression test as claimed in claim 1 force transmitting board, it is characterized in that: be radially provided with successively seven circle slide blocks along circular loading plate (1), from the inside to the outside respectively by the first slide block (12), the second slide block (13), the 3rd slide block (14), Four-slider (15), the 5th slide block (16), the 6th slide block (17), the 7th slide block (18) composition, the first slide block (12) is adjacent with slide block stop rod (11), the first slide block (12), the second slide block (13), the 3rd slide block (14), Four-slider (15), the 5th slide block (16), the 6th slide block (17), the 7th slide block (18) is radially arranged on the first guide rail (6) successively along circular loading plate (1), and be radially free to slide on the first guide rail (6) by steel ball (10), Four-slider (15), the 5th slide block (16), the 6th slide block (17), the 7th slide block (18) are radially arranged in the second guide rail (7) above successively, and are radially free to slide on the second guide rail (7) by steel ball (10), the second slide block (13), the 3rd slide block (14), Four-slider (15), the 5th slide block (16), the 6th slide block (17), the 7th slide block (18) are radially arranged in the 3rd guide rail (8) above successively, and are radially free to slide on the 3rd guide rail (8) by steel ball (10).
3. the micro-friction load of Geotechnical Engineering triaxial compression test as claimed in claim 2 force transmitting board, it is characterized in that: the first slide block (12) is evenly distributed with 6 along hoop, the second slide block (13), the 3rd slide block (14) are uniformly distributed and respectively have 12 along hoop, Four-slider (15), the 5th slide block (16), the 6th slide block (17), the 7th slide block (18) are uniformly distributed and respectively have 24 along hoop, all 126 slide blocks and slide block stop rod (11) are combined into a disk, for directly contacting with sample.
4. the micro-friction load of Geotechnical Engineering triaxial compression test as claimed in claim 1 force transmitting board, it is characterized in that: guide rail (6,7,8) comprises that a cross section is the guide rail body of convex shape, guide rail body top is interval with two arc grooves to lower recess (9), each arc groove is covered with steel ball in (9), guide rail body both sides are step surface (19) on one side, and opposite side step surface upright side walls is provided with chute (20); Slide block (12-18) comprises a fan-shaped body (21), fan-shaped body (21) bottom is provided with vertical the first draw runner (22) and the second draw runner (23), the second draw runner (23) is provided with the raised line (24) of corresponding slide block upper hopper chute (20), the first draw runner (22) contacts with step surface (19), and the raised line (24) of the second draw runner (23) is inserted in the chute (20) of guide rail.
5. the micro-friction load of Geotechnical Engineering triaxial compression test as claimed in claim 1 force transmitting board, it is characterized in that: the first rectangular recess (2), the second rectangular recess (3) and the 3rd rectangular recess (4) all offer bolt hole (6), the first guide rail (6), the second guide rail (7), the upper correspondence of the 3rd guide rail (8) are provided with fixed orifice, and guide rail is locked in circular loading plate (1) by the bolt hole (6) on fixed orifice, groove on screw bolt passes guide rail.
6. the micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board as claimed in claim 2 or claim 3, it is characterized in that: described circular loading plate (1) radial cross-section diameter is 300mm, directly bear the xial feed applying, slide block stop rod (11) is 320mm with the disk diameter that slide block is combined into, for directly contacting with sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387511.9U CN203941058U (en) | 2014-07-14 | 2014-07-14 | The micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387511.9U CN203941058U (en) | 2014-07-14 | 2014-07-14 | The micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board |
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| Publication Number | Publication Date |
|---|---|
| CN203941058U true CN203941058U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387511.9U Withdrawn - After Issue CN203941058U (en) | 2014-07-14 | 2014-07-14 | The micro-friction load of Geotechnical Engineering triaxial compression test force transmitting board |
Country Status (1)
| Country | Link |
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| CN (1) | CN203941058U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089813A (en) * | 2014-07-14 | 2014-10-08 | 长江水利委员会长江科学院 | Geotechnical engineering triaxial compression test micro-friction load force transfer plate |
| CN108037028A (en) * | 2018-02-05 | 2018-05-15 | 东南大学 | Paving interface shearing-resistance method for testing fatigue and device under a kind of vehicle braking condition |
| CN112710543A (en) * | 2021-01-20 | 2021-04-27 | 同济大学 | Containment local member strength test device |
| CN113447356A (en) * | 2021-07-12 | 2021-09-28 | 广州白云山星群(药业)股份有限公司 | Method and equipment for testing mechanical properties of soft capsule shell |
-
2014
- 2014-07-14 CN CN201420387511.9U patent/CN203941058U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089813A (en) * | 2014-07-14 | 2014-10-08 | 长江水利委员会长江科学院 | Geotechnical engineering triaxial compression test micro-friction load force transfer plate |
| CN108037028A (en) * | 2018-02-05 | 2018-05-15 | 东南大学 | Paving interface shearing-resistance method for testing fatigue and device under a kind of vehicle braking condition |
| CN108037028B (en) * | 2018-02-05 | 2020-06-30 | 东南大学 | Method and device for testing shearing resistance and fatigue of pavement interface under vehicle braking condition |
| CN112710543A (en) * | 2021-01-20 | 2021-04-27 | 同济大学 | Containment local member strength test device |
| CN112710543B (en) * | 2021-01-20 | 2022-06-14 | 同济大学 | Containment local member strength test device |
| CN113447356A (en) * | 2021-07-12 | 2021-09-28 | 广州白云山星群(药业)股份有限公司 | Method and equipment for testing mechanical properties of soft capsule shell |
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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: 20141112 Effective date of abandoning: 20160224 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |