CN210194590U - A instrument of digging pit for compactness detects - Google Patents
A instrument of digging pit for compactness detects Download PDFInfo
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- CN210194590U CN210194590U CN201920851443.XU CN201920851443U CN210194590U CN 210194590 U CN210194590 U CN 210194590U CN 201920851443 U CN201920851443 U CN 201920851443U CN 210194590 U CN210194590 U CN 210194590U
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Abstract
The utility model provides an instrument of digging pit for compactness detects, relates to road bed and detects technical field, including the sleeve, is equipped with the setting element on this telescopic outer wall telescopic upper end is provided with the column splendid attire cup of invering, and the wall of cup of this splendid attire cup pastes on the telescopic inner wall, the bottom of cup edge of splendid attire cup outwards stretches out and takes on the tang step of port on the sleeve the bottom of cup center of splendid attire cup is provided with the spliced eye, and sliding insertion has the connecting rod in the spliced eye the spiller is installed to the lower extreme of connecting rod, the external diameter of spiller is less than telescopic internal diameter. This novel can reduce to dig the hole consuming time, takes out the soil horizon of digging out fast, improves work efficiency, and the pithead rounding off of digging the hole simultaneously improves the degree of accuracy that detects.
Description
Technical Field
The utility model relates to a road bed detects technical field, concretely relates to instrument of digging pit for compactness detects.
Background
According to detail rule of highway pavement base course construction technology JTG/T F20-2015, quality control in the water stability construction process comprises two parts, namely, contour dimension inspection and internal quality inspection, wherein the contour dimension inspection comprises thickness inspection after compaction of a front field, and the internal quality inspection comprises compaction detection after compaction of the front field; detecting the compaction degree in time after the on-site rolling is finished, and checking each operation section for 6 times or more; the compaction degree detection usually adopts a whole-layer sand filling test method, the thickness after compaction is recorded, if the compaction degree detection is unqualified, pressure supplement needs to be carried out in time, and after the compaction degree detection is qualified, watering and curing need to be covered in time. The method for digging the pit usually adopts an iron hammer to knock a drill rod to dig the pit, and usually two persons are needed to alternately operate, so that the method for digging the pit has low efficiency, particularly the roadbed can not be exposed in high-temperature or strong-wind weather in summer, the compaction degree cannot be detected timely due to the low efficiency of manual digging, the water can not be covered for maintenance timely due to stability, the surface can lose water and be loose, and cracks can appear in the later period in serious cases; and the smoothness of the pit wall of the manual pit digging is not enough, so that the detection result has larger deviation.
Disclosure of Invention
In order to solve the problem of the prior art, the utility model provides a digging instrument for compactness detects, this instrument can reduce to dig a hole consuming time, takes out the soil horizon of digging out fast, improves work efficiency, and the hole wall rounding off of digging a hole simultaneously improves the degree of accuracy that detects.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a digging tool for compactness detects, includes the sleeve, is equipped with the setting element on this telescopic outer wall telescopic upper end is provided with the column splendid attire cup of invering, and the wall of cup of this splendid attire cup pastes on the telescopic inner wall, the bottom of cup edge of splendid attire cup outwards stretches out and takes on the tang step of port on the sleeve the bottom of cup center of splendid attire cup is provided with the spliced eye, and it has the connecting rod to slide in the spliced eye the spiller is installed to the lower extreme of connecting rod, the external diameter of spiller is less than telescopic internal diameter.
Preferably, a cup wall step is arranged at the lower end of the spigot step, the width of the cup wall step is equal to the thickness of the cup wall of the containing cup, the height of the cup wall step is equal to the height of the cup wall of the containing cup, and the inner diameter of the cup wall of the containing cup is equal to the inner diameter of the sleeve.
Preferably, the shovel blade comprises two centrally symmetrical spiral blades, the edge line of each spiral blade is perpendicular to the connecting rod, and the spiral angle of each spiral blade is 80-85 degrees; the helix angle is the acute angle between the tangent of the edge of the helical blade and the straight generatrix of the virtual cylindrical surface passing through the tangent point.
Preferably, the projection size of the included angle between the two side edges of the spiral blade along the direction of the connecting rod is 180-240 degrees.
Preferably, the outer diameter of the helical blade is 1mm to 5mm smaller than the inner diameter of the sleeve.
Preferably, the sliding sleeve is sleeved on the connecting rod and provided with a positioning sleeve, a screwing screw is installed on the positioning sleeve, and the positioning sleeve is fixed on the connecting rod after the screwing screw is fastened.
Preferably, the upper end of the connecting rod is rotatably sleeved with a handrail, the top end of the connecting rod is transversely provided with a rocker, and the end of the rocker is provided with a handle.
Preferably, the connecting rod is engraved with dimensions.
Preferably, the positioning element is a ring of baffle ring fixed on the outer wall of the sleeve, and the sleeve part at the lower end of the baffle ring is a positioning guide part.
Preferably, a reinforcing rib is fixed at an included angle between the upper end surface of the baffle ring and the outer wall of the sleeve.
The utility model discloses an application principle:
1. placing a base plate on a roadbed, wherein the base plate is a tray with a hole in the middle, the diameter of the hole is equal to the outer diameter of a sleeve, inserting the lower end of the sleeve into the roadbed from the hole, enabling a scraper knife to be in contact with a roadbed surface, enabling the scale of a connecting rod at the bottom of a cup for containing a cup to be an initial scale H0 at the moment, and enabling the depth of a pit to be H, so that a positioning sleeve is fixed by screwing screws after the height of H is adjusted upwards from the bottom of the cup;
2. the handle is held by one hand to press downwards with force, the handle is held by the other hand to rotate the rocker, so that the connecting rod drives the scraper knife to dig downwards, the upper soil shoveled by the scraper knife becomes loose and is accumulated in the hole, when the downward digging depth of the connecting rod is the same as the height of the cup wall of the containing cup, the downward digging is stopped, the connecting rod is lifted upwards, the dug soil is lifted upwards from the pit until the soil is poured into the containing cup, the water content of the dug soil is larger at the moment, the scraper knife is used as a tamping tool to easily compact the soil in the containing cup, then the connecting rod is pulled upwards by two hands to enable the scraper knife to prop against the lower end of the compacted soil, the containing cup and the scraper knife are taken out together, and the soil is poured on a substrate or in a prepared container;
3. and then reinstalling the sleeve in the open pore of the base plate, repeating the step 2, digging down the soil in the pit in batches and taking out the soil until the connecting rod descends to the point that the positioning sleeve is clamped on the cup bottom of the containing cup, wherein the pit depth reaches H, continuously rotating the rocker at the moment, leveling the bottom of the pit, and slightly cleaning the bottom of the pit after the last batch of soil is transported out.
The utility model discloses the combined effect who brings includes: the utility model has simple and reasonable structure and convenient use, the upside-down containing cup is arranged at the upper end of the sleeve, the scraper knife is arranged at the lower end of the connecting rod which passes through the cup bottom of the containing cup, the scraper knife vertically shovels the pit downwards, meanwhile, the shoveled soil is accumulated at the upper end of the scraper knife, the scraper knife is lifted up to pour the soil into the containing cup and take out the pit, no soil layer needs to be chiseled a bit by hand, the efficiency of digging the pit is improved, and the connecting rod uses the vertical positioning hole of the inserting hole on the cup bottom of the containing cup to position the lower cutter of the scraper knife by the positioning guide part, so that the pit wall of the pit has better circular slip degree, and the precision of the detection result is greatly improved; in addition, the assembly and the scraper knife are matched with the digging hole to take out the soil, so that the excavated soil can be quickly brought out of the hole in a large amount, the continuous digging is not influenced, the process of digging the soil in the hole is kept clean, redundant soil is not adhered to the wall of the hole, and the smoothness of the wall of the hole is further ensured.
Drawings
Fig. 1 is a schematic view of an internal structure of a digging tool for detecting compactness according to an embodiment of the present invention.
Fig. 2 is a schematic view of a state structure of a digging tool for compaction detection according to an embodiment of the present invention during digging.
Fig. 3 is a schematic structural diagram of a state when filling soil into a containing cup when digging soil of a digging tool for detecting compactness.
Fig. 4 is a schematic view of the state structure of the excavation tool container cup for compaction degree detection according to the embodiment of the present invention.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
The invention is further described with reference to the following figures and examples.
Examples
A digging tool for detecting compactness comprises a sleeve 2, wherein a circle of baffle ring 3 is arranged on the outer wall of the sleeve 2, the position of the sleeve 2 at the lower end of the baffle ring 3 is a positioning guide part 21, a reinforcing rib 4 is fixed at the included angle between the upper end surface of the baffle ring 3 and the outer wall of the sleeve 2, and the reinforcing rib 4 plays a role of supporting the sleeve 2; the upper end of the sleeve 2 is provided with an inverted cylindrical containing cup 5, the cup wall 51 of the containing cup 5 is attached to the inner wall of the sleeve 2, the edge of the cup bottom 52 of the containing cup 5 extends outwards and is lapped on the seam allowance step 22 of the upper port of the sleeve 2, the center of the cup bottom 52 of the containing cup 5 is provided with an insertion hole, a connecting rod 6 is inserted in the insertion hole in a sliding mode, and the inner diameter of the insertion hole is equal to that of the connecting rod 6.
In this embodiment, a scraper 7 is installed at the lower end of the connecting rod 6, the scraper 7 includes two pieces of central symmetric spiral blades 71, the outer diameter of the spiral blade 71 is 3mm smaller than the inner diameter of the sleeve 2, so that the spiral blade 71 can move up and down in the sleeve 2 conveniently, the edge line of the spiral blade 71 is perpendicular to the connecting rod 6, and the helix angle of the spiral blade 71 is 83 °; the helix angle is an acute angle between the edge tangent of the helical blade 71 and a straight generatrix of the virtual cylindrical surface passing through the tangent point; two side contained angles of helical blade 71 are along the direction projection size of connecting rod 6 is 210, and helical blade 71's projection is fan-shaped, and the helix angle is 83, and consequently spiller 7 is comparatively flat, and once shoveling into volume is less when spiller 7 shovels soil, and is comparatively laborsaving when artifical rotates connecting rod 6, and two sides of two helical blade 71 all have 15 overlapping angles for spiller 7 can not spill when holding up the soil of digging the pine.
In this embodiment, a cup wall step 23 is provided at the lower end of the spigot step 22, the width of the cup wall step is equal to the thickness of the cup wall 51 of the containing cup 5, the height of the cup wall 51 of the containing cup 5 is equal to the height of the cup wall 51 of the containing cup 5, and the inner diameter of the cup wall 51 of the containing cup 5 is the same as the inner diameter of the sleeve 2.
In this embodiment, the connecting rod 6 is carved with the size and the sliding sleeve has a locating sleeve 8, a screwing screw 9 is installed on the locating sleeve 8, and the locating sleeve 8 is fixed on the connecting rod 6 after the screwing screw 9 is fastened. The upper end of the connecting rod 6 is rotatably sleeved with a handrail 10, the top end of the connecting rod 6 is transversely provided with a rocker 11, and the end part of the rocker 11 is provided with a handle 12.
The utility model discloses use principle:
1. placing a base plate 1 on a roadbed 13, wherein the base plate 1 is a tray with a hole in the middle, the diameter of the hole is equal to the outer diameter of a sleeve 2, inserting the lower end of the sleeve 2 into the roadbed 13 from the hole, enabling a scraper knife 7 to be in contact with the roadbed 13, enabling the scale of a connecting rod 6 at the cup bottom 52 of a containing cup 5 to be an initial scale H0 at the moment, and enabling the depth of a pit to be H, so that a positioning sleeve 8 is fixed by a screwing screw 9 after the height of the positioning sleeve is adjusted to H from the cup bottom 52;
2. the handle 10 is held by one hand to press downwards with force, the handle 12 is held by the other hand to rotate the rocker 11, so that the connecting rod 6 drives the scraper 7 to dig downwards, the upper soil shoveled by the scraper 7 becomes soft and is accumulated in the hole, when the downward digging depth of the connecting rod 6 is the same as the height of the cup wall 51 of the containing cup 5, the downward digging is stopped, the connecting rod 6 is lifted upwards, the dug soil is lifted upwards from the pit until the soil is filled into the containing cup 5, the water content of the dug soil is larger, therefore, the scraper 7 is used as a tamping tool to easily compact the soil in the containing cup 5, then the connecting rod 6 is pulled upwards by both hands to enable the scraper 7 to be propped against the lower end of the compacted soil, the containing cup 5 and the scraper 7 are taken out together, and the soil is poured on the base plate 1 or in a prepared container;
3. and then the sleeve 2 is installed in the opening of the base plate 1 again, the step 2 is repeated, the soil in the pit is dug in batches and taken out until the connecting rod 6 descends until the positioning sleeve 8 is clamped on the cup bottom 52 of the containing cup 5, the pit digging depth reaches H, the rocker 11 is continuously rotated at the moment, the bottom of the pit is shoveled, and after the last batch of soil is transported out, the bottom of the pit is slightly cleaned.
The embodiment of the utility model provides a comprehensive effect brought includes: the utility model has the advantages of simple and reasonable structure, high durability and convenient use, place the splendid attire cup 5 of inversion in the upper end of sleeve 2, install spiller 7 at the lower extreme of connecting rod 6 that passes the bottom of cup 52 of splendid attire cup 5, the vertical pit that shoveler 7 shovels downwards, the soil that shovels off is piled up in the upper end of spiller 7 simultaneously, lift spiller 7 and can pour soil into splendid attire cup 5 and take out the hole, do not need artifical some chisel to remove the soil layer, make the efficiency of digging pit become high, and connecting rod 6 is with the vertical locating hole of the spliced eye on the bottom of cup 52 of splendid attire cup 5, be assisted simultaneously with the position that location guiding part 21 fixed position spiller 7 lower tool, make the pit wall of digging pit have better round degree of slip, greatly improved the precision of testing; in addition, the assembly and the scraper knife 7 are matched with the digging hole to fetch earth, so that the excavated earth can be quickly brought out of the hole in a large amount, the continuous digging is not influenced, the process of digging earth in the hole is kept clean, no redundant earth is adhered to the wall of the hole, and the smoothness of the wall of the hole is further ensured.
The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.
Claims (10)
1. The utility model provides a digging instrument for compactness detects, a serial communication port, includes the sleeve, is equipped with the setting element on this telescopic outer wall telescopic upper end is provided with the column splendid attire cup of invering, and the wall of cup of this splendid attire cup pastes on the telescopic inner wall, the bottom of cup edge of splendid attire cup outwards stretches out and takes on the tang step of port on the sleeve the bottom of cup center of splendid attire cup is provided with the spliced eye, and it has the connecting rod to slide in the spliced eye the spiller is installed to the lower extreme of connecting rod, the external diameter of spiller is less than telescopic internal diameter.
2. The tool of claim 1, wherein a cup wall step having a width equal to the thickness of the cup wall of the container cup and a height equal to the height of the cup wall of the container cup is provided at the lower end of the spigot step, and the inner diameter of the cup wall of the container cup is the same as the inner diameter of the sleeve.
3. The earth-boring tool for compaction testing of claim 1 wherein the blade comprises two central symmetrical helical blades, the edge line of the helical blades is perpendicular to the connecting rod, and the helix angle of the helical blades is 80 ° -85 °.
4. A boring tool for compaction testing according to claim 3 wherein the angle between the two sides of the helical blade as projected in the direction of the connecting rod is 180 ° -240 °.
5. A boring tool for compaction testing according to claim 4 wherein the outer diameter of the helical blade is 1mm to 5mm smaller than the inner diameter of the sleeve.
6. The excavation tool for detecting compactness according to claim 1, wherein the connecting rod is slidably sleeved with a positioning sleeve, and a tightening screw is mounted on the positioning sleeve and is fastened to fix the positioning sleeve on the connecting rod.
7. The tool of claim 6, wherein a handle is rotatably sleeved on the upper end of the connecting rod, a rocker is transversely installed on the top end of the connecting rod, and a handle is installed on the end of the rocker.
8. The earth boring tool for compaction testing of claim 7 wherein the tie bar is dimensioned.
9. The earth boring tool for compaction testing of claim 1 wherein the positioning element is a ring of stop ring fixed to the outer wall of the sleeve, and the sleeve portion at the lower end of the stop ring is a positioning guide.
10. The earth boring tool for compaction testing of claim 9 wherein a stiffener is fixed to an upper end surface of the retainer ring at an angle to an outer wall of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851443.XU CN210194590U (en) | 2019-06-06 | 2019-06-06 | A instrument of digging pit for compactness detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851443.XU CN210194590U (en) | 2019-06-06 | 2019-06-06 | A instrument of digging pit for compactness detects |
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| Publication Number | Publication Date |
|---|---|
| CN210194590U true CN210194590U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920851443.XU Active CN210194590U (en) | 2019-06-06 | 2019-06-06 | A instrument of digging pit for compactness detects |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638393A (en) * | 2020-05-28 | 2021-11-12 | 山东交通职业学院 | Hole digging and repairing device for detecting roadbed solidity by sand filling method |
| CN113737765A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | Device for rapidly solving compaction digging |
-
2019
- 2019-06-06 CN CN201920851443.XU patent/CN210194590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638393A (en) * | 2020-05-28 | 2021-11-12 | 山东交通职业学院 | Hole digging and repairing device for detecting roadbed solidity by sand filling method |
| CN113638393B (en) * | 2020-05-28 | 2022-08-26 | 山东交通职业学院 | Hole digging and repairing device for detecting roadbed solidity by sand filling method |
| CN113737765A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | Device for rapidly solving compaction digging |
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