CN212561468U - Auxiliary device for detecting compactness by sand filling method - Google Patents
Auxiliary device for detecting compactness by sand filling method Download PDFInfo
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- CN212561468U CN212561468U CN202020724066.6U CN202020724066U CN212561468U CN 212561468 U CN212561468 U CN 212561468U CN 202020724066 U CN202020724066 U CN 202020724066U CN 212561468 U CN212561468 U CN 212561468U
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Abstract
The utility model discloses an auxiliary device for detecting compaction degree by a sand filling method, which is used when soil is taken by the sand filling method, the operation mode is simple and reliable, a protective cylinder is arranged to eliminate the influence of side wall collapse on the detection result in the soil excavation process, the soil excavation shape is regular and the side wall direction is vertical through a horizontal bubble instrument, the excavation depth and the excavation volume can be determined constantly by observing the scale of the inner wall of the protective cylinder, the consistency of the soil sample volume of the actual soil excavation test and the theoretical volume is ensured, the authenticity of the detection result is ensured, the construction quality is ensured, the construction efficiency is improved, the improvement effect on the aeolian sand roadbed construction quality and the working efficiency is particularly obvious, in addition, the height of the protective cylinder can be set according to the spreading thickness of a compacted layer, the flexibility is strong, when the filling thickness is more than 30cm, the detection blind area of the cutting ring method can not occur, thereby the number of layering caused by the detection blind area is reduced, the construction period is greatly shortened, and the cost investment is reduced.
Description
Technical Field
The utility model relates to a civil engineering bridge superstructure construction technical field. More specifically speaking, the utility model relates to a irritate sand method and detect auxiliary device of compactness.
Background
The compactness is a main control index of the quality of the soil filling engineering, and the conventional detection methods are more, such as a sand filling method, a cutting ring method, a nuclear densitometer method and the like. The nuclear densitometer method is suitable for measuring the density and the water content of roadbed or pavement materials by a scattering method or a direct injection method by using a nuclear densitometer on site, and calculating the compactness, but the cost is high. The hole digging and sand filling method is one of the most commonly used test methods for detecting the compactness, is suitable for measuring the density and the compactness of various material compacted layers of a base layer (or a subbase layer), a gravel road surface and roadbed soil on site, uses tools comprising a sand filling cylinder, a base plate, a metal calibration tank, a balance, a small shovel and the like, determines the diameter of a soil sample dug through the diameter of a round hole on the base plate, but when measuring aeolian sand, the aeolian sand belongs to fine soil, and side wall collapse is easy to occur in the hole digging process, so that the volume of the actually dug soil sample is larger than that of a theoretical soil sample, the calculated compactness is larger than the actual compactness, and the effectiveness of data is influenced; the ring cutter method is suitable for measuring the density of fine soil and inorganic binder stabilized fine soil, and is suitable for detecting the compaction degree of the aeolian sand roadbed, but the detection depth of the ring cutter method is generally 30cm, and the filling depth of an aeolian sand road section is generally 30-50 cm, so that the ring cutter method has a certain detection blind area.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a irritate sand method and detect auxiliary device of compactness to irritate sand method soil sample volume deviation among the solution prior art and influence the technical problem of compactness data validity greatly.
In order to realize the objects and other advantages according to the present invention, there is provided an auxiliary device for detecting compaction degree by sand filling method, comprising:
the height of the protective cylinder is not less than the paving thickness of the compacted layer to be detected, the inner diameter of the protective cylinder is consistent with the diameter of the round hole of the substrate, scales are arranged on the inner wall of the protective cylinder along the height direction of the protective cylinder, and the upper end of the protective cylinder extends outwards horizontally to form a circle of ring;
and the horizontal bubble instrument is arranged on the circular ring.
Preferably, the auxiliary device for detecting compaction degree by sand-filling method further comprises:
the door-shaped limiting piece is arranged on the circular ring, and the through direction of a cavity of the door-shaped limiting piece is horizontal and passes through the axis of the protective cylinder;
the cross rod horizontally penetrates through the cavity of the door-shaped limiting part and moves along the through direction of the cavity of the door-shaped limiting part, the length of the cross rod is greater than the inner radius of the protective cylinder, a vertical circular through hole is formed in one end, close to the axis of the protective cylinder, of the cross rod, an opening which penetrates through the side wall is formed in the side wall of the circular through hole in an up-and-down mode, and the distance between the openings is smaller than the diameter of the circular through hole;
the vertical round rod is positioned in the circular through hole and can vertically move up and down along the circular through hole, the height of the vertical round rod is slightly greater than that of the pile casing, a circle of annular groove is formed at the position below the vertical round rod to form a small round rod with the diameter smaller than that of the vertical round rod, the length of the small round rod is slightly greater than that of the opening, and the diameter of the small round rod is slightly smaller than the distance between the openings;
the horizontal supporting sheet is in a small fan shape, one side of the horizontal supporting sheet, which is close to the central angle, is fixed at the bottom of the vertical round rod, the curvature of the arc edge of the horizontal supporting sheet is consistent with that of the inner wall of the protective cylinder, and the horizontal distance between the arc edge of the horizontal supporting sheet and the vertical round rod is slightly smaller than the radius of the protective cylinder.
Preferably, the central angle of the horizontal supporting sheet is 45-90 degrees, and a blocking sheet is upwards arranged on one side of the horizontal supporting sheet adjacent to the arc edge.
Preferably, a first stop block is arranged at one end, away from the axis of the pile casing, of the cross rod, and a second stop block is arranged at the upper end of the vertical round rod.
Preferably, the first block and the second block are both provided with pull rings.
The utility model discloses at least, include following beneficial effect: the utility model discloses an auxiliary device for detecting compactness by a sand filling method is used when taking earth by the sand filling method, the operation mode is simple and reliable, the protective cylinder is arranged to eliminate the influence of side wall collapse on the detection result in the earth digging process, the regular earth digging shape and the vertical direction of the side wall are ensured by the horizontal bubble instrument, the earth digging depth and the earth digging volume can be determined constantly by observing the scale of the inner wall of the protective cylinder, the volume of the soil sample of the actual earth digging is ensured to be consistent with the theoretical volume, the authenticity of the detection result is ensured, thereby the construction quality is ensured, the construction efficiency is improved, the improvement effect on the aeolian sand roadbed construction quality and the working efficiency is particularly obvious, in addition, the height of the protective cylinder can be set according to the paving thickness of a compacted layer, the flexibility is strong, when the filling thickness is more than 30cm, the detection blind area detected by the cutting ring method can not occur, thereby the number of layers brought by the, the construction period is greatly shortened, and the cost investment is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
fig. 4 is a top view of a cross bar according to an embodiment of the present invention.
The specification reference numbers indicate: 1. the device comprises a protective cylinder, 2, a compaction layer to be detected, 3, a ring, 4, a horizontal bubble instrument, 5, a door-shaped limiting part, 6, a cross rod, 7, a circular through hole, 8, an opening, 9, a vertical round rod, 10, a small round rod, 11, a horizontal supporting sheet, 12, a blocking sheet, 13, a first stop dog, 14, a second stop dog, 15 and a pull ring.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses an auxiliary device for detecting compaction degree by sand filling method, include:
the height of the protective cylinder 1 is not less than the paving thickness of the compacted layer 2 to be detected, the inner diameter of the protective cylinder 1 is consistent with the diameter of the round hole of the substrate, scales are arranged on the inner wall of the protective cylinder 1 along the height direction of the protective cylinder 1, and the upper end of the protective cylinder 1 extends outwards horizontally to form a circle of ring 3;
a level bubble gauge 4, which is arranged on the ring 3.
The utility model discloses an auxiliary device that sand filling method detected compactness uses when measuring compactness needs excavation, according to the thickness selection that paves on volume of awaiting measuring compactness place layer protects a section of thick bamboo, it is not less than the thickness that paves not to protect a section of thick bamboo, then level bubble appearance has calibrated, will protect in the vertical measuring point ground of squeezing into of a section of thick bamboo, can directly exert decurrent power on the ring when beating, conveniently protect squeezing into of a section of thick bamboo, observe the level bubble appearance on the ring simultaneously, it is vertical to ensure to protect a section of thick bamboo direction, it can to dig after squeezing into measuring point ground and get the regional soil that protects a section of thick bamboo and enclose to protect a section of thick bamboo, the degree of depth of getting soil is observed according to the scale that protects a section of thick bamboo inner wall, it can choose thin high strength metal drum for.
The auxiliary device for detecting the compaction degree by using the sand filling method during soil taking has simple and reliable operation mode, eliminates the influence of side wall collapse on a detection result in the soil taking process by arranging the protective cylinder, ensures that the soil taking shape is regular and the side wall direction is vertical by using the horizontal bubble instrument, can constantly determine the soil taking depth and the soil taking volume by observing the scale of the inner wall of the protective cylinder, ensures that the volume of a soil sample actually taken in a test is consistent with the theoretical volume, and ensures the authenticity of the detection result, thereby ensuring the construction quality, improving the construction efficiency, and particularly obviously improving the construction quality and the working efficiency of the aeolian sand roadbed; in addition, the height of the pile casing can be set according to the paving thickness of a compacted layer, the pile casing is high in flexibility, when the filling thickness is larger than 30cm, a detection blind area detected by a ring cutter method cannot occur, the number of layers caused by the detection blind area is reduced, the construction period is greatly shortened, and the cost input is reduced.
In another technical solution, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the auxiliary device for detecting compaction degree by sand-filling method further includes:
the door-shaped limiting piece 5 is arranged on the circular ring 3, and the through direction of a cavity of the door-shaped limiting piece 5 is horizontal and passes through the axis of the protective cylinder 1;
the cross rod 6 horizontally penetrates through the cavity of the door-shaped limiting part 5 and moves along the through direction of the cavity of the door-shaped limiting part 5, the length of the cross rod 6 is greater than the inner radius of the protective barrel 1, a vertical circular through hole 7 is formed in one end, close to the axis of the protective barrel 1, of the cross rod 6, an opening 8 which penetrates through the side wall is formed in the side wall of the circular through hole 7 in an up-and-down mode, and the distance between the openings 8 is smaller than the diameter of the circular through hole 7;
the vertical round rod 9 is positioned in the circular through hole 7 and can vertically move up and down along the circular through hole 7, the height of the vertical round rod 9 is slightly larger than that of the pile casing 1, a circle of annular groove is formed at the position below the vertical round rod 9 to form a small round rod 10 with the diameter smaller than that of the vertical round rod 9, the length of the small round rod 10 is slightly larger than that of the opening 8, and the diameter of the small round rod 10 is slightly smaller than the distance between the openings 8;
the horizontal supporting sheet 11 is in a small fan shape, one side of the horizontal supporting sheet, which is close to the central angle, is fixed at the bottom of the vertical round rod 9, the curvature of the arc edge of the horizontal supporting sheet 11 is consistent with that of the inner wall of the protective cylinder 1, and the horizontal distance between the arc edge of the horizontal supporting sheet 11 and the vertical round rod 9 is slightly smaller than the radius of the protective cylinder 1.
When the depth of the dug soil is deeper, visual errors easily exist in the observation or eyesight of human eyes, the scales on the surface of the soil pit are not easy to observe, and the surface of the soil pit is likely to have unevenness, at the moment, the cross rod is firstly penetrated in the door-shaped limiting piece, so that the circular through hole on the cross rod is positioned right above the inner area of the pile casing, then a small round rod of a vertical round rod of which the bottom is fixed with a horizontal supporting sheet enters a circular through hole from an opening of a cross rod, the vertical round rod is moved downwards until the bottom of the horizontal supporting sheet contacts the surface of the dug soil pit, the orientation of the circular arc edge of the horizontal supporting sheet can be adjusted by rotating the vertical round rod in the downward moving process, and the deformation of the surface of the soil pit due to excessive extrusion can be avoided when the circular arc edge of the horizontal supporting sheet is moved downwards, and then the cross rod is horizontally moved, the position of the horizontal supporting sheet is adjusted to enable the arc edge to be close to or contacted with the inner wall of the pile casing, and the depth of the soil pit is quickly and accurately obtained according to the scale on the inner wall of the pile casing.
In another technical scheme, as shown in fig. 1, 2 and 3, a central angle of the horizontal supporting sheet 11 is 45-90 °, and a blocking sheet 12 is arranged on one side of the horizontal supporting sheet 11 adjacent to the arc edge in an upward direction.
When the surface of the soil pit is not completely horizontal, the horizontal rod is horizontally moved, the vertical adjustment is carried out, the vertical round rod is rotated, so that the position and the orientation of the horizontal supporting sheet on the surface of the soil pit are adjusted, the horizontal supporting sheet can be rotated or moved towards one side with the back of the blocking sheet, a part of uneven soil sample is scraped, the part of uneven soil sample is contained on the surface of the horizontal supporting sheet by means of blocking of the blocking sheet, the vertical round rod is moved upwards to enable the small round rod to come out from the opening of the horizontal rod, the small part of soil sample on the surface of the horizontal supporting sheet is transferred and collected, so that the volume deviation of the soil sample caused by excessive shoveling due to the fact that the small round rod is out of the opening of the horizontal rod is avoided, the depth of the surface of the soil pit can be observed through the horizontal supporting sheet in real time, the detection precision is further ensured, the angle of the central angle of the horizontal supporting sheet is proper, and the flexibility, The problem that the soil quantity born by undersize is limited is avoided, and the vertical round rods and the cross rods are removed in sequence after the soil pit is excavated, so that the follow-up soil filling work of a sand filling method is not hindered.
In another technical scheme, as shown in fig. 1, 2 and 3, a first stopper 13 is disposed at one end of the cross bar 6 away from the axis of the casing 1, and a second stopper 14 is disposed at the upper end of the vertical round bar 9.
The first stop block and the second stop block are arranged to prevent the cross rod from being completely penetrated out of the door-shaped limiting part due to excessive force, prevent the vertical round rod from being completely separated from the cross rod due to misoperation when moving downwards, and facilitate operation of the cross rod and the vertical round rod.
In another technical solution, as shown in fig. 1, 2 and 3, the first stopper 13 and the second stopper 14 are both provided with a pull ring 15. The pull ring is arranged to further facilitate moving of the cross rod and the vertical round rod.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily implemented by those skilled in the art, so that the invention is not limited to the specific details and figures 1, 2, 3, 4 shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (5)
1. The auxiliary device of sand filling method detection compactness which characterized in that includes:
the height of the protective cylinder is not less than the paving thickness of the compacted layer to be detected, the inner diameter of the protective cylinder is consistent with the diameter of the round hole of the substrate, scales are arranged on the inner wall of the protective cylinder along the height direction of the protective cylinder, and the upper end of the protective cylinder extends outwards horizontally to form a circle of ring;
and the horizontal bubble instrument is arranged on the circular ring.
2. The apparatus for assisting in detecting compactibility by sand-filling according to claim 1, further comprising:
the door-shaped limiting piece is arranged on the circular ring, and the through direction of a cavity of the door-shaped limiting piece is horizontal and passes through the axis of the protective cylinder;
the cross rod horizontally penetrates through the cavity of the door-shaped limiting part and moves along the through direction of the cavity of the door-shaped limiting part, the length of the cross rod is greater than the inner radius of the protective cylinder, a vertical circular through hole is formed in one end, close to the axis of the protective cylinder, of the cross rod, an opening which penetrates through the side wall is formed in the side wall of the circular through hole in an up-and-down mode, and the distance between the openings is smaller than the diameter of the circular through hole;
the vertical round rod is positioned in the circular through hole and can vertically move up and down along the circular through hole, the height of the vertical round rod is slightly greater than that of the pile casing, a circle of annular groove is formed at the position below the vertical round rod to form a small round rod with the diameter smaller than that of the vertical round rod, the length of the small round rod is slightly greater than that of the opening, and the diameter of the small round rod is slightly smaller than the distance between the openings;
the horizontal supporting sheet is in a small fan shape, one side of the horizontal supporting sheet, which is close to the central angle, is fixed at the bottom of the vertical round rod, the curvature of the arc edge of the horizontal supporting sheet is consistent with that of the inner wall of the protective cylinder, and the horizontal distance between the arc edge of the horizontal supporting sheet and the vertical round rod is slightly smaller than the radius of the protective cylinder.
3. The auxiliary device for detecting the degree of compaction by the sand-casting method as claimed in claim 2, wherein the central angle of the horizontal supporting sheet is 45-90 degrees, and a blocking sheet is upwards arranged on one side of the horizontal supporting sheet adjacent to the arc edge.
4. The auxiliary device for detecting the degree of compaction by the sand filling method as claimed in claim 2, wherein a first stop block is arranged at one end of the cross bar, which is far away from the axis of the casing, and a second stop block is arranged at the upper end of the vertical round bar.
5. The apparatus for detecting compaction degree according to claim 4, wherein the first block and the second block are provided with pull rings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020724066.6U CN212561468U (en) | 2020-05-06 | 2020-05-06 | Auxiliary device for detecting compactness by sand filling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020724066.6U CN212561468U (en) | 2020-05-06 | 2020-05-06 | Auxiliary device for detecting compactness by sand filling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720327A (en) * | 2022-03-08 | 2022-07-08 | 山东高速济青中线公路有限公司 | Evaluation method for evaluating detection reliability of stone-containing roadbed sand-filling method |
-
2020
- 2020-05-06 CN CN202020724066.6U patent/CN212561468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720327A (en) * | 2022-03-08 | 2022-07-08 | 山东高速济青中线公路有限公司 | Evaluation method for evaluating detection reliability of stone-containing roadbed sand-filling method |
| CN114720327B (en) * | 2022-03-08 | 2023-08-29 | 山东高速济青中线公路有限公司 | Evaluation method for evaluating detection reliability of stone-containing roadbed sand filling method |
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