CN111501716A

CN111501716A - Slag removing tool and using method thereof

Info

Publication number: CN111501716A
Application number: CN202010314660.2A
Authority: CN
Inventors: 林航; 吴慧重
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-08-07

Abstract

The invention discloses a slag removing tool and a using method thereof, which are used for collecting and removing residual aggregate in a test hole when the compaction degree of a roadbed is detected by a sand filling method. The invention can draw out and collect residual aggregate which is not easy to be drawn out in the test hole, and improves the accuracy of detecting the roadbed compactness by a sand filling method.

Description

Slag removing tool and using method thereof

Technical Field

The invention belongs to the field of highway engineering, and particularly relates to a slag removing tool and a using method thereof.

Background

The most important part of highway engineering belongs to a roadbed, the quality of a roadbed structure layer directly relates to the flatness of a road surface, the transportation cost, the maintenance cost and the service life, and one of the most important standards for evaluating the quality of the roadbed is the compactness. The sand filling method is the most extensive method for detecting the compaction degree of the highway subgrade in recent years, but in actual operation, residual and loose aggregates at the bottom of a test hole are difficult to clear out of the test hole, and filled sand fills gaps of the residual aggregates, so that the detection result of the compaction degree is small, the accuracy of quality detection is not facilitated, and the detection efficiency is reduced.

Disclosure of Invention

The invention aims to provide a slag removing tool and a using method thereof, which can remove and collect residual aggregate which is not easy to remove from a test hole, and improve the accuracy of detecting the roadbed compactness by a sand filling method.

The technical scheme adopted by the invention is as follows:

the utility model provides a draw sediment instrument for collect and draw and remove and irritate remaining the gathering materials in the hole when sand method detects road bed compactness, including the handle, the stock, round bottom dish and found the section of thick bamboo, the top and the bottom of stock pass through the screw thread respectively with handle and round bottom dish center can dismantle the connection, round bottom dish external diameter equals to found a section of thick bamboo internal diameter, found a section of thick bamboo external diameter slightly less than the examination hole internal diameter, round bottom dish edge is the downward inclined plane of round, found to open from top to bottom and be equipped with the sleeve pipe in axis department on the section of thick bamboo, the sleeve pipe passes through the connecting piece on the outer wall to be fixed on founding a section of thick bamboo inner wall, the sheathed tube internal diameter slightly is greater than the stock external diameter, the bottom is higher than founding a section of thick bamboo bottom, the sleeve pipe does not contact with round bottom dish when the sleeve pipe falls to the hole along with founding the.

Further, the round bottom disc and the vertical protection cylinder are provided with a plurality of groups of sizes and models to adapt to various test holes in a sand filling method test.

Further, the inner diameter of the pilot hole comprises 100mm, 150mm and 200 mm.

Furthermore, the sand filling method test adopts specified fine-grained soil and coarse-grained soil with the grain size of 40-60 mm.

Furthermore, three connecting rods are uniformly distributed on the outer wall of the sleeve and are fixed on the inner wall of the vertical protection cylinder.

The use method of the slag removing tool comprises the following steps: determining the inner diameter of a test hole in a sand-filling method test according to the particle size of aggregate of a point to be measured, thereby determining the size models of the round chassis and the vertical casing; assembling handles and a round bottom plate at two ends of a long rod, lowering the round bottom plate to the bottom of a test hole, driving the round bottom plate to rotate or move by the handles, and collecting aggregate on the round bottom plate; after the collection of the aggregate is finished, the handle is detached, the sleeve is sleeved on the long rod, and the sleeve and the vertical protection cylinder fall to the bottom of the hole; the long rod lifts the round bottom disc to contact and jack the sleeve to drive the vertical pile casing to rise, and meanwhile, the round bottom disc is positioned in the vertical pile casing and forms a curtain with the vertical pile casing; and (5) after the round chassis and the vertical protective cylinder are drawn out, collecting and weighing.

The invention has the beneficial effects that:

the tool can draw out and collect residual aggregate which is not easy to draw out in a test hole, namely the edge circle of the round bottom plate is a downward inclined plane, so that the residual aggregate is conveniently shoveled onto the round bottom plate when moving and rotating, the inner diameter of a sleeve is slightly larger than the outer diameter of the long rod, the sleeve and the vertical protective cylinder can be ensured to move up and down on the long rod, the accurate positioning of the vertical protective cylinder is facilitated, in the lifting process, the round bottom plate stretches into the vertical protective cylinder and forms a curtain with the vertical protective cylinder, the collected aggregate is sealed on the round bottom plate, and the dropping is avoided.

The accuracy that quality and volume detection were gathered materials in the examination hole has been guaranteed to this instrument, and then reduces the experimental error of wet density, dry density, the road bed compactness of gathering materials, has improved the accuracy that the sand-filling method detected the road bed compactness.

Drawings

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

Fig. 2 is a schematic view of a vertical casing in an embodiment of the present invention.

Fig. 3 is a schematic view of the present invention in a state of not yet lifted up while it is in operation.

Fig. 4 is a schematic view of the present invention in a lifted state during operation.

In the figure: 1-a handle; 2-a long rod; 3, standing and protecting the cylinder; 4-a sleeve; 5-a connecting rod; 6-round chassis; 7-aggregate.

Detailed Description

The invention is further described below with reference to the figures and examples.

As shown in fig. 1 to 4, a slag removing tool for collecting and removing residual aggregate 7 in a test hole when detecting roadbed compactness by a sand filling method comprises a handle 1, a long rod 2, a round chassis 6 and a vertical protection cylinder 3, wherein the top end and the bottom end of the long rod 2 are respectively detachably connected with the centers of the handle 1 and the round chassis 6 through threads, the outer diameter of the round chassis 6 is equal to the inner diameter of the vertical protection cylinder 3, the outer diameter of the vertical pile casing 3 is slightly smaller than the inner diameter of a test hole, the edge of the round bottom disc 6 is a downward inclined plane of a circle, the vertical pile casing 3 is vertically open and is provided with a sleeve 4 at the middle shaft, the sleeve 4 is fixed on the inner wall of the vertical pile casing 3 through a connecting piece on the outer wall, the inner diameter of the sleeve 4 is slightly larger than the outer diameter of the long rod 2, the bottom of the sleeve 4 is higher than the bottom of the vertical pile casing 3, the sleeve 4 does not contact with the circular chassis 6 when the sleeve 4 penetrates through the long rod 2 and falls to the bottom of the hole along with the vertical pile casing 3, and the circular chassis 6 extends into the vertical pile casing 3 and forms a curtain with.

The tool can draw out and collect residual aggregate 7 which is not easy to draw out in a test hole, namely a circle at the edge of the round base plate 6 is a downward inclined plane, so that the residual aggregate 7 is conveniently shoveled onto the round base plate 6 during moving and rotating, the inner diameter of the sleeve 4 is slightly larger than the outer diameter of the long rod 2, the sleeve 4 and the vertical protection cylinder 3 are ensured to move up and down on the long rod 2, and the vertical protection cylinder 3 is also conveniently accurately positioned, in the lifting process, the round base plate 6 extends into the vertical protection cylinder 3 and forms a curtain with the vertical protection cylinder 3, the collected aggregate 7 is sealed on the round base plate 6, and falling is avoided.

In the embodiment, the round bottom disc 6 and the vertical protection cylinder 3 are provided with a plurality of groups of sizes and models to adapt to various test holes in a sand filling method test, and the inner diameters of the test holes comprise 100mm, 150mm and 200 mm; the sand filling method test adopts specified fine-grained soil and coarse-grained soil with the grain diameter of 40-60mm according to the highway geotechnical test regulations.

As shown in fig. 2 to 4, in the present embodiment, three connecting rods 5 are uniformly distributed on the outer wall of the casing 4, and the connecting rods 5 are fixed on the inner wall of the vertical casing 3.

The use method of the slag removing tool comprises the following steps: determining the inner diameter of a test hole in a sand-filling method test according to the particle size of aggregate 7 of a point to be measured, thereby determining the size models of the round chassis 6 and the vertical casing 3; assembling a handle 1 and a round bottom plate 6 at two ends of a long rod 2, lowering the round bottom plate 6 to the bottom of the test hole, driving the round bottom plate 6 to rotate or move by the handle, and collecting aggregate 7 onto the round bottom plate 6; after the aggregate 7 is collected, the handle 1 is detached, the sleeve 4 is sleeved on the long rod 2, and the sleeve 4 and the vertical protection cylinder 3 fall to the bottom of the hole; the long rod 2 lifts the round chassis 6 to contact and jack the sleeve 4, so as to drive the vertical pile casing 3 to ascend, and meanwhile, the round chassis 6 is positioned in the vertical pile casing 3 and forms a curtain with the vertical pile casing 3; after the round bottom plate 6 and the vertical casing 3 are drawn out, the aggregate 7 is collected and weighed.

The tool ensures the detection accuracy of the quality and the volume of aggregate 7 in the test hole, further reduces the test errors of the wet density, the dry density and the roadbed compactness of the aggregate 7, and improves the detection accuracy of the roadbed compactness by a sand filling method.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a draw sediment instrument which characterized in that: the collecting and drawing-out device is used for collecting and drawing out residual aggregate in a test hole when a sand filling method is used for detecting roadbed compactness, and comprises a handle, a long rod, a round-bottom disc and a vertical protection cylinder, wherein the top end and the bottom end of the long rod are respectively detachably connected with the handle and the round-bottom disc through threads, the outer diameter of the round-bottom disc is equal to the inner diameter of the vertical protection cylinder, the outer diameter of the vertical protection cylinder is slightly smaller than the inner diameter of the test hole, the edge of the round-bottom disc is a downward inclined plane of a circle, the vertical protection cylinder is opened up and down, a sleeve is arranged at a middle shaft, the sleeve is fixed on the inner wall of the vertical protection cylinder through a connecting piece on the outer wall, the inner diameter of the sleeve is slightly larger than the outer diameter of the long rod, the bottom of the sleeve is higher than the bottom of the vertical protection cylinder, the sleeve.

2. A slag removing tool as claimed in claim 1, wherein: the round chassis and the vertical protection cylinder are provided with a plurality of groups of sizes and models to adapt to various test holes in a sand filling method test.

3. A slag removing tool as claimed in claim 2, wherein: the inner diameter of the test hole comprises 100mm, 150mm and 200 mm.

4. A slag removing tool as claimed in claim 1, wherein: the sand filling method test adopts specified fine-grained soil and coarse-grained soil with the grain size of 40-60 mm.

5. A slag removing tool as claimed in claim 1, wherein: three connecting rods are uniformly distributed on the outer wall of the sleeve and fixed on the inner wall of the vertical protection cylinder.

6. Use of a slag removal tool according to any one of claims 1 to 5, characterized in that: determining the inner diameter of a test hole in a sand-filling method test according to the particle size of aggregate of a point to be measured, thereby determining the size models of the round chassis and the vertical casing; assembling handles and a round bottom plate at two ends of a long rod, lowering the round bottom plate to the bottom of a test hole, driving the round bottom plate to rotate or move by the handles, and collecting aggregate on the round bottom plate; after the collection of the aggregate is finished, the handle is detached, the sleeve is sleeved on the long rod, and the sleeve and the vertical protection cylinder fall to the bottom of the hole; the long rod lifts the round bottom disc to contact and jack the sleeve to drive the vertical pile casing to rise, and meanwhile, the round bottom disc is positioned in the vertical pile casing and forms a curtain with the vertical pile casing; and (5) after the round chassis and the vertical protective cylinder are drawn out, collecting and weighing.