CN211285554U - Soil sampling auxiliary device for detecting roadbed compactness - Google Patents

Abstract

The utility model relates to a soil sampling auxiliary device for detecting roadbed compactedness, which belongs to the field of roadbed compactedness detection devices and comprises a base, wherein a rotary support is rotatably arranged on the base, mounting holes are respectively formed on two sides of the rotary support, an injection chisel is arranged in each mounting hole, the injection chisel sequentially comprises a chisel head, a chisel body and a chisel cutter from top to bottom, and a scraping component is arranged on one end surface of the left end and the right end of the chisel body; the utility model has the advantages of be convenient for inject the regularity of digging the path in order to improve and dig out the examination hole.

Description

Soil sampling auxiliary device for detecting roadbed compactness

Technical Field

The utility model belongs to the technical field of roadbed compactness detection device technique and specifically relates to a detect borrowing auxiliary device of roadbed compactness.

Background

The quality of the highway subgrade has very important influence on the strength, rigidity, flatness and the like of the whole pavement structure, so that the compaction quality of the highway subgrade is one of important internal indexes in the management of working medium application in road engineering. The existing general method for detecting the compaction degree of the roadbed is a sand filling method which is suitable for measuring the density of fine-grained soil, sand soil and gravel soil on site. The maximum grain size of the sample is generally between 5mm and 60 mm. The thickness of the density measurement layer is 150mm to 200 mm. The basic principle of the standard method, but the standard method is not suitable for detecting the compaction degree of materials with large holes or large holes such as stone-filled embankments and the like, clean uniform sand with the grain diameter of 0.30-0.60 mm or 0.25-0.50 mm is freely dropped into a test hole from a certain height, the volume of the test hole is measured according to the principle that the unit weight of the uniform sand is not changed (namely, aggregate in the test hole is replaced by the standard sand), and the actually measured dry density of a sample is calculated by combining the water content of the aggregate.

Before utilizing the method of irritating sand to detect the road bed compactness, need dig a examination hole on the road bed earlier, then test, when carrying out road bed borrow excavation examination hole, mostly adopt artifical manual hole of digging to accomplish among the prior art, need draw the route on the road bed earlier during the hole digging, then chisel out a complete circle along the route of marking through hammer and chisel, not only artifical intensity of labour is big, and the pore-forming shape also is difficult to guarantee the rule unanimity, thereby can influence measured data's accuracy, and its work efficiency is low, delay man-hour easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect auxiliary device that fetches earth of road bed compactness has the advantage of being convenient for inject the regularity of digging a hole route in order to improve and dig out the examination hole.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a detect auxiliary device that fetches earth of road bed compactness, includes the base, it is provided with rotatory support to rotate on the base, the mounting hole has all been seted up to the both sides of rotatory support, wear to be equipped with the injection chisel in the mounting hole, the injection chisel is from last to including chisel head, chisel body and chisel sword down in proper order, be provided with on one of them terminal surface at both ends about the chisel body and strickle the subassembly.

Through adopting above-mentioned technical scheme, before carrying out road bed borrowing excavation test hole, install the position that needs to borrow earth with the base, then the staff makes the chisel tool insert ground through the chisel head of the injection chisel of hammering rotatory support both sides, subaerial chisel out the opening after, take out the injection chisel, then rotatory appointed angle, the opening that the chisel was dug last continues to dig the injection chisel ground, repeat above-mentioned step until digging out complete circle subaerial, then take out the earth in the circle of digging out, take out most earth after, put into again the test hole of digging out with the injection chisel and rotate the injection chisel, make the edge of scraping flat subassembly and test hole on the injection chisel contact, thereby scrape the edge of test hole levelly and smoothly, improve the regularity of the test hole of digging out, thereby improve the accuracy of experimental result.

The utility model discloses further set up to: the scraping component comprises a scraping plate, the scraping plate is detachably connected to the chisel body through a threaded pin, and a scraping blade is arranged at one end, away from the chisel body, of the scraping plate.

Through adopting above-mentioned technical scheme, through set up the strike plate on the chisel body, after the penetration chisel goes out complete circle on ground, take out the earth in the circle, form the examination hole, then rotate the strike plate, make the edge strike plate in with the examination hole strike off to further improve the regularity in examination hole.

The utility model discloses further set up to: the chisel body is provided with hammering portion on keeping away from the terminal surface of scraping flat board one end, the pad is equipped with the rubber packing on the hammering portion.

Through adopting above-mentioned technical scheme, set up hammering portion on the end surface of scraping flat board one end is kept away from to the chisel body, through hammering the hammer and strike the portion and make the penetration chisel take place to rotate to the drive is scraped the lateral wall of flat board along the circumferencial direction in examination hole and is strickled off.

The utility model discloses further set up to: a rotating bearing is arranged between the base and the rotating support, the inner ring of the rotating bearing is in interference fit with the base, and the outer ring of the rotating bearing is in interference fit with the rotating support.

Through adopting above-mentioned technical scheme, through set up rolling bearing between base and swivel support, make the slip between base and the swivel support more smooth and easy to the required drive power of penetration chisel at the pivoted in-process has been reduced.

The utility model discloses further set up to: a limiting boss is arranged on the side wall of the chisel body and above the rotary support, and the area of the limiting boss is larger than that of the mounting hole.

Through adopting above-mentioned technical scheme, through setting up spacing boss on the chisel body, the whole downstream of in-process injection chisel of hammering chisel head makes in the chisel gets into the ground, after spacing boss and rotatory support contact, the chisel no longer continues downstream, has made things convenient for the injecing to the chisel depth through setting up spacing boss, thereby it is the same to have guaranteed to a certain extent that the injection chisel chisels the open-ended degree of depth of going out in different positions, the regularity in the examination hole of digging has been guaranteed, thereby the accuracy of experimental result has been improved.

The utility model discloses further set up to: the bottom of base is provided with the locating lever, the tip of locating lever is provided with the penetration needle.

Through adopting above-mentioned technical scheme, insert the ground through the penetration needle with the locating lever tip in, then continue to insert the locating lever in ground, realize the location to the base to improve the stability of base, prevent to a certain extent that rotatory support pivoted in-process base from taking place to rock.

The utility model discloses further set up to: and external threads are distributed on the positioning rod and above the penetration needle along the length direction of the positioning rod.

Through adopting above-mentioned technical scheme, through distributing the external screw thread on the locating lever, insert ground with the penetration needle earlier during the installation, then rotate the base and insert ground with the locating lever, make things convenient for the insertion of locating lever through set up the external screw thread on the locating lever, improved the stability of locating lever simultaneously, make the difficult roll-off of locating lever.

The utility model discloses further set up to: the chisel body and the chisel blade of the penetration chisel are both arc-shaped structures.

Through adopting above-mentioned technical scheme, all set up to the arc structure through the chisel body with the penetration chisel and chisel, after hammering the penetration chisel and make the penetration chisel insert ground, form one section arc breach subaerial, take out the penetration chisel, then rotatory appointed angle, the arc breach that the next-door neighbour was dug out continues to dig the penetration chisel and dig ground, finally forms a complete circle subaerial.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses simple structure, convenient operation sets up rotatory support through rotating on the base to set up the mounting hole on rotatory support, insert the injection chisel and establish in the mounting hole, realize the injecing to the injection chisel injection position through rotating rotatory support, thereby guaranteed the regularity of the test hole of digging out to a certain extent, improved the accuracy of experimental result.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a penetration chisel according to an embodiment of the present invention.

Reference numerals: 1. a base; 11. positioning a rod; 12. a needle is penetrated; 2. rotating the support; 3. penetrating; 31. chiseling a head; 32. chiseling a body; 321. a hammering portion; 322. a rubber gasket; 323. a limiting boss; 33. chiseling; 4. a strike-off assembly; 41. scraping the plate; 42. a threaded pin; 43. a scraping edge; 5. and rotating the bearing.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, a detect auxiliary device that fetches earth of road bed compactness, including base 1, the bottom of base 1 is provided with locating lever 11, the tip of locating lever 11 is provided with injection needle 12, it has the external screw thread to distribute along self length direction just to be located the top of injection needle 12 on the locating lever 11, insert ground with injection needle 12 earlier during the installation, then rotate base 1 and insert locating lever 11 ground, the insertion of locating lever 11 has been made things convenient for through setting up the external screw thread on locating lever 11, the stability of locating lever 11 has been improved simultaneously, make locating lever 11 difficult roll-off. The rotation is provided with swivel mount 2 on the base 1, is provided with rolling bearing 5 between base 1 and the swivel mount 2, and rolling bearing 5's inner circle and 1 interference fit of base, rolling bearing 5's outer lane and 2 interference fit of swivel mount make the slip between base 1 and the swivel mount 2 more smooth and easy to reduced the required drive power of penetration chisel 3 at the pivoted in-process.

As shown in fig. 1, 2, the mounting hole has all been seted up to the both sides of rotating support 2, wear to be equipped with penetration chisel 3 in the mounting hole, penetration chisel 3 includes chisel head 31 from last to down in proper order, chisel body 32 and chisel 33, the chisel body 32 and the chisel 33 of penetration chisel 3 all are the arc structure, after hammering penetration chisel 3 and make penetration chisel 3 insert ground, form one section arc breach on the ground, take out penetration chisel 3, then rotatory appointed angle, the arc breach that the last time chiseled out of next-door neighbour continues to dig penetration chisel 3 into ground, finally form a complete circle on the ground.

As shown in fig. 2, a limiting boss 323 is arranged on the side wall of the chisel body 32 and above the rotary support 2, the area of the limiting boss 323 is larger than that of the mounting hole, the penetrating chisel 3 moves downward integrally in the hammering chisel head 31, so that the chisel 33 enters the ground, when the limiting boss 323 contacts the rotary support 2, the chisel 33 does not move downward any more, and the limiting boss 323 is arranged to facilitate the limitation of the chisel depth.

As shown in fig. 2, one of the end surfaces of the left and right ends of the chisel body 32 is provided with a scraping component 4, the scraping component 4 comprises a scraping plate 41, the scraping plate 41 is detachably connected to the chisel body 32 through a threaded pin 42, one end of the scraping plate 41, which is far away from the chisel body 32, is provided with a scraping edge 43, the end surface of the chisel body 32, which is far away from one end of the scraping plate 41, is provided with a hammering portion 321, and the hammering portion 321 is padded with a rubber gasket 322.

Through set up the strike plate 41 on chisel body 32, after penetrating chisel out complete circle on the ground as the chisel 3, take out the earth in the circle, form the examination hole, then rotate strike plate 41, make strike plate 41 strike off the edge in examination hole, thereby further improve the regularity in examination hole, set up hammering portion 321 on the terminal surface of strike plate 41 one end is kept away from at chisel body 32, strike portion 321 through hammer dynamic hammer and make penetration chisel 3 take place to rotate, thereby drive strike plate 41 strike off the lateral wall in examination hole along the circumferencial direction in examination hole.

The specific working process is as follows: before carrying out road bed borrowing excavation trial hole, install base 1 in the position that needs the borrowing, then the staff makes chisel 33 insert ground through the chisel head 31 of the penetration chisel 3 of hammering rotatory support 2 both sides, after the subaerial chisel opening, take out penetration chisel 3, then rotatory appointed angle, the opening that the immediately preceding chisel was dug continues to dig penetration chisel 3 ground, repeat above-mentioned step until digging out complete circle subaerial, then take out the earth in the circle of digging out, take out most earth back, put penetration chisel 3 again in the trial hole of digging out and rotate penetration chisel 3, make the edge of strickle the subassembly 4 and the trial hole on the penetration chisel 3 contact, thereby scrape the edge of trial hole levelly and smoothly, improve the regularity of the trial hole of digging out, thereby improve the accuracy of experimental result.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a detect auxiliary device that fetches earth of road bed compactness, includes base (1), its characterized in that: rotate on base (1) and be provided with rotatory support (2), the mounting hole has all been seted up to the both sides of rotatory support (2), wear to be equipped with injection chisel (3) in the mounting hole, injection chisel (3) are from last to including chisel head (31), chisel body (32) and chisel sword (33) down in proper order, be provided with on one of them terminal surface at both ends about chisel body (32) and scrape flat subassembly (4).

2. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 1, wherein: the strickle component (4) comprises a strickle (41), the strickle (41) is detachably connected to the chisel body (32) through a threaded pin (42), and one end, away from the chisel body (32), of the strickle (41) is provided with a strickle (43).

3. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 2, wherein: the end face, away from the scraping plate (41), of the chisel body (32) is provided with a hammering portion (321), and a rubber gasket (322) is padded on the hammering portion (321).

4. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 1, wherein: be provided with rolling bearing (5) between base (1) and rotating support (2), the inner circle and base (1) interference fit of rolling bearing (5), the outer lane and the rotating support (2) interference fit of rolling bearing (5).

5. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 1, wherein: a limiting boss (323) is arranged on the side wall of the chisel body (32) and above the rotary support (2), and the area of the limiting boss (323) is larger than that of the mounting hole.

6. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 1, wherein: the bottom of base (1) is provided with locating lever (11), the tip of locating lever (11) is provided with and penetrates needle (12).

7. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 6, wherein: and external threads are distributed on the positioning rod (11) and above the penetration needle (12) along the length direction of the positioning rod.

8. The soil sampling auxiliary device for detecting the compaction degree of the roadbed according to claim 1, wherein: the chisel body (32) and the chisel blade (33) of the penetration chisel (3) are both arc-shaped structures.

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