CN219757753U

CN219757753U - Roadbed strength test sampling device

Info

Publication number: CN219757753U
Application number: CN202320847366.7U
Authority: CN
Inventors: 许杰; 尤宇飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-09-26
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of roadbed detection and discloses a roadbed strength test sampling device which comprises a base and two upright posts, wherein the two upright posts are vertically welded and fixed above two sides of the base, a vertical cylinder is vertically arranged between the upright posts above the base, a ring cover is welded and fixed at the bottom of the vertical cylinder, connecting rods are transversely welded and fixed above and below two sides of the vertical cylinder, a sleeve which can be sleeved on the outer ring of the upright post in a sliding manner is welded and fixed at the tail end of the connecting rod, and a balancing weight is slidably arranged below the inside of the vertical cylinder. According to the technical scheme, the ring cover and the vertical cylinder move in the vertical direction under the action of the connecting rod and the sleeve matched with the upright post, after the ring cover is supported on the outer ring above the ring cutter, the balancing weight can be lifted and the impact force can be released to act on the ring cutter, so that the ring cutter can be ensured to be vertically pressed into soil under the knocking action in the vertical direction, and in the process again, dangerous operations such as knocking and the like can not exist.

Description

Roadbed strength test sampling device

Technical Field

The utility model relates to the technical field of roadbed detection, in particular to a roadbed strength test sampling device.

Background

The roadbed is one or more layers of road structure layers paved on the top surface of the roadbed by road building materials for vehicles to directly run on the surface of the roadbed, and the layered structure paved on the roadbed by the road building materials for vehicles to run has the functions of bearing the weight of the vehicles, resisting the abrasion of wheels and keeping the surface of the roadbed smooth, the engineering quality of the roadbed needs to be detected after the roadbed is compacted, and the compactness can be used as a standard for judging the strength of the roadbed.

In the prior art, when detecting the road foundation compaction degree, one mode adopts a cutting ring to sample a compaction layer, after the cutting ring is placed in the sampling, a ring cover is required to be covered above the cutting ring, and then the ring cover is knocked, so that the ring cover drives the ring cover to be pressed into soil of the compaction layer in a surrounding manner, and the soil is sampled.

For the above-described related art, at least the following drawbacks are also present: when the ring cover is knocked, the knocking acting force needs to be ensured to act on the ring cover in the vertical direction, otherwise, the ring cutter cannot be vertically pressed down to enable soil to enter the ring cutter, and when the ring cover is knocked, knocking deviation or hammer bullet opening is easy to exist, so that danger is generated. Therefore, we propose a roadbed strength test sampling device.

Disclosure of Invention

The utility model aims to provide a roadbed strength test sampling device, which is characterized in that a ring cover and a vertical cylinder are arranged to move in the vertical direction under the action of a connecting rod and a sleeve matched with an upright post, after the ring cover is supported on an outer ring above a ring cutter, a balancing weight can be lifted and released to act on the ring cutter by impact force, so that the ring cutter can be ensured to be vertically pressed into soil by knocking action in the vertical direction, and in the process again, dangerous operations such as knocking off and the like are not existed, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the roadbed strength test sampling device comprises a base and two upright posts, wherein the two upright posts are vertically welded and fixed above two sides of the base; a vertical cylinder is vertically arranged between the upright posts on the two sides above the base, a ring cover is welded and fixed at the bottom of the vertical cylinder, connecting rods are transversely welded and fixed above and below the two sides of the vertical cylinder, and a sleeve which can be sleeved on the outer ring of the upright post in a sliding manner is welded and fixed at the tail ends of the connecting rods; the upper middle position of the balancing weight is vertically connected with a pull rod which can penetrate through the upper outer part of the vertical barrel in a sliding manner; the surface of the base right below the ring cover is provided with a through hole, a ring cutter is arranged in the through hole, and the ring cover is supported above the ring cutter.

Through adopting above-mentioned technical scheme, clean up ring cutter and weigh its quality earlier, after the surface clean up on compaction layer, make the base tiling on ground earlier, make the ring cutter place in the through-hole after, press the top outer lane of ring cutter with the ring lid, then utilize the continuous whereabouts of balancing weight, produce effort to ring lid and ring cutter on, impress the ring cutter to soil in, accomplish the sample work to the road bed.

Optionally, a pull ball is welded and fixed at the top of the pull rod, and the diameter of the pull ball is larger than that of the pull rod.

By adopting the technical scheme, the pull rod can be pulled upwards by the pull ball, so that the pull rod drives the balancing weight to rise.

Optionally, the bottom inner ring of the ring cutter is provided with a ring groove for limiting in a surrounding manner, and the ring cover is sleeved on the upper outer ring of the ring cutter through the ring groove.

By adopting the technical scheme, the ring groove at the bottom of the ring cover is used for supporting the outer ring above the cutting ring, and the ring cover is positioned and supported above the cutting ring.

Optionally, the top of stand is fixed with spacing ball through the welded mode, and the diameter of spacing ball is greater than telescopic internal diameter.

Through adopting above-mentioned technical scheme, through the setting of spacing ball, when can avoiding the riser to drive the annular cap and upwards remove, the sleeve slippage from the stand.

Optionally, a through hole communicated with the inside of the vertical barrel is formed in the middle position above the vertical barrel, and the pull rod penetrates to the upper part of the vertical barrel through the through hole.

Through adopting above-mentioned technical scheme, through the through-hole at the chimney top, realize that the pull rod slidable runs through to the purpose of chimney top.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. according to the technical scheme, the ring cover and the vertical cylinder move in the vertical direction under the action of the connecting rod and the sleeve matched with the upright post, after the ring cover is supported on the outer ring above the ring cutter, the balancing weight can be lifted and the impact force can be released to act on the ring cutter, so that the ring cutter can be ensured to be vertically pressed into soil under the knocking action in the vertical direction, and in the process again, dangerous operations such as knocking and the like can not exist.

2. According to the technical scheme, the limiting ball is fixed at the top of the upright post, the size of the limiting ball is larger than the inner diameter of the sleeve, the sleeve can be limited in upward sliding, and the sleeve is prevented from sliding off the upright post.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the whole structure of a roadbed strength test sampling device according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the vertical cylinder and the ring cover of the roadbed strength test sampling device.

In the figure: 1. a base; 11. a through port; 2. a column; 21. a limit ball; 3. cutting ring; 4. a ring cover; 41. a ring groove; 5. a vertical tube; 51. a pull rod; 52. balancing weight; 53. a through hole; 54. pulling a ball; 6. a connecting rod; 61. a sleeve.

Detailed Description

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a roadbed intensity test sampling device, includes base 1 and stand 2, and the through-hole 11 that link up base 1 has been seted up to the surface centre position of base 1, supports base 1 behind the compaction layer surface of clean up, can pass through-hole 11 with cutting ring 3 and support the soil surface at the compaction layer.

Referring to fig. 1 and 2, two upright posts 2 are provided, the two upright posts 2 are vertically welded and fixed above the base 1 at two sides of the through hole 11, the two upright posts 2 are vertically arranged on the surface of the base 1, a ring cover 4 is supported above the ring cutter 3, a ring groove 41 is formed in the inner ring at the bottom of the ring cover 4, the ring cover 4 is supported above the outer ring of the ring cutter 3 in a limited manner through the ring groove 41, and the ring cover 4 is arranged between the upright posts 2 at two sides;

referring to fig. 1 and 2, a vertical cylinder 5 is vertically welded and fixed at a middle position above a ring cover 4, a hollow structure is arranged inside the vertical cylinder 5, a through hole 53 is formed in a middle position at the top of the vertical cylinder 5, the through hole 53 is communicated with the inside of the vertical cylinder 5, a balancing weight 52 capable of sliding up and down is arranged below the inside of the vertical cylinder 5, a pull rod 51 is vertically fixed at a middle position above the balancing weight 52, the pull rod 51 penetrates to the outside above the vertical cylinder 5 through the through hole 53, a pull ball 54 is welded and fixed at the tail end of the pull rod 51 penetrating to the outside above the vertical cylinder 5, when a ring cutter 3 needs to be pressed into soil, the pull rod 51 and the balancing weight 52 can be pulled upwards by the pull ball 54 to rise, then the ring cutter 3 is loosened to naturally fall under the action of gravity, and then impact force is applied to the ring cover 4 and the ring cutter 3, so that the ring cutter 3 is gradually pressed into the soil.

Referring to fig. 1, connecting rods 6 are transversely welded and fixed above and below the left side and the right side of a vertical cylinder 5, the lengths of the connecting rods 6 are the same, the connecting rods 6 adjacent up and down are parallel to each other, a sleeve 61 is welded and fixed at the tail end of each connecting rod 6, the sleeve 61 is slidably sleeved on the outer ring of a vertical column 2, when the vertical cylinder 5 and a ring cover 4 are required to be lifted, the sleeve 61 slides upwards on the outer ring of the vertical column 2 to have a limiting effect on vertical movement of the ring cover 4, and when a ring cutter 3 is moved into soil by impact force, the sleeve 61 can also slide downwards on the outer ring of the vertical column 2 to ensure that the ring cutter 3 can be vertically pressed into the soil, and the danger generated when the ring cutter 3 is knocked can be avoided;

the top of stand 2 is fixed with spacing ball 21 through the welded mode, and the diameter of spacing ball 21 is greater than the internal diameter of sleeve 61, and when needs upper driving riser 5 and ring lid 4 rise, and when making cutting ring 3 place in opening 11, sleeve 61 rises to the top and contacts with spacing ball 21, can avoid sleeve 61 to slip from stand 2.

During the use, take out the ring cutter 3 alone and clean up its inside and outside surface, and weigh its accurate quality, shovel the part of surface unevenness and clean up at the sample site, then place base 1 in the ground of cleaning up first, place ring cutter 3 through opening 11 mode after lifting ring cover 4, and place it under ring cover 4, afterwards make ring cover 4 descend the height, and support on the outer circle of ring cutter 3 through annular 41 encirclement, afterwards through the balancing weight 52 of pull rod 51 and its bottom on the pull ball 54, balancing weight 52 slides to the highest place in the vertical cylinder 5 inside, then send the lift of pulling up, the balancing weight 52 drives pull rod 51 and pull ball 54 and descends the height together under the effect of gravity, and make balancing weight 52 strike in the bottom of vertical cylinder 5, produce great impact force and transfer to ring cover 4 and ring cutter 3, can press down to the soil in and make the soil packing get into ring cutter 3, afterwards multiple compaction operation, until ring cutter 3 is pressed to the soil in completely, then the soil in the layer is removed to the top of bottom of layer, then the soil is removed to the soil in the soil 3, can be removed from the bottom of the soil sample is cut off to the end, the sample density is obtained to the end is cut off to the end, the sample is cut off to the volume of the sample.

Claims

1. The utility model provides a roadbed intensity test sampling device, includes base and stand, its characterized in that: the two upright posts are vertically welded and fixed above two sides of the base;

a vertical cylinder is vertically arranged between the upright posts on the two sides above the base, a ring cover is welded and fixed at the bottom of the vertical cylinder, connecting rods are transversely welded and fixed above and below the two sides of the vertical cylinder, and a sleeve which can be sleeved on the outer ring of the upright post in a sliding manner is welded and fixed at the tail ends of the connecting rods;

the upper middle position of the balancing weight is vertically connected with a pull rod which can penetrate through the upper outer part of the vertical barrel in a sliding manner;

the surface of the base right below the ring cover is provided with a through hole, a ring cutter is arranged in the through hole, and the ring cover is supported above the ring cutter.

2. The subgrade strength test sampling device as claimed in claim 1, wherein: the top welded fastening of pull rod has the pull ball, and the diameter of pull ball is greater than the diameter of pull rod.

3. The subgrade strength test sampling device as claimed in claim 1, wherein: the annular groove for limiting is formed in the inner ring at the bottom of the ring cutter in a surrounding mode, and the ring cover is sleeved on the outer ring above the ring cutter through the annular groove.

4. The subgrade strength test sampling device as claimed in claim 1, wherein: the top of stand is fixed with spacing ball through the welded mode, and the diameter of spacing ball is greater than telescopic internal diameter.

5. The subgrade strength test sampling device as claimed in claim 1, wherein: the middle position above the vertical cylinder is provided with a through hole communicated with the inside of the vertical cylinder, and the pull rod penetrates to the upper part of the vertical cylinder through the through hole.