CN215441836U

CN215441836U - Experimental facility for highway cement stabilized base compactness

Info

Publication number: CN215441836U
Application number: CN202122072220.3U
Authority: CN
Inventors: 赵海涛; 卞立丰; 刘炳威; 李�昊; 王吉新; 王东旭; 赵赢; 秦鹏飞; 于辉
Original assignee: Longjian Road and Bridge Co Ltd
Current assignee: Longjian Road and Bridge Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-07
Anticipated expiration: 2031-08-30

Abstract

An experimental facility for the compactness of a water-stable base of a highway belongs to the technical field of road inspection. The device comprises a sand filling cylinder, a base, a support rod, a bearing, a Y-shaped shaft, a connecting rod, a sand pulling and filling cylinder column, an earth digging connecting column, a rotating rod, an earth digging cutter head, a base plate, two slide rails and a first pin shaft; the base plate left and right sides respectively with two slide rail fixed connection, dig in the spliced pole upper end and closely insert and dig in the earth pillar, dig the earth pillar lateral wall upper end through the connecting rod with draw irritate sand section of thick bamboo post lateral wall upper end fixed connection, draw irritate sand section of thick bamboo post lower extreme and install detachable and irritate a sand section of thick bamboo. The device is simple to operate, inexperienced workers can also precisely dig out the standard sampling hole by linking the excavator bit with the rotating rod, the electronic scale is arranged on the base, weighing is convenient, the equipment can be firmly fixed on the ground by the base fixing bolt, and the deviation phenomenon cannot occur in the excavating process.

Description

Experimental facility for highway cement stabilized base compactness

Technical Field

The utility model belongs to the technical field of road inspection, and particularly relates to experimental equipment for the compactness of a water-stable base layer of a highway.

Background

The compactness of the base course is the key for ensuring the service performance of the pavement, and is directly related to the strength and the service life of the pavement. The existing construction method mainly uses a sand filling method to detect the compaction degree, wherein the sand filling method needs to dig a pit on a roadbed pavement to be detected to the bottom of a rolling layer, weigh the quality of a dug sample, measure the water content and the volume of the sample, calculate the wet density, convert the calculated wet density to obtain the dry density, and finally calculate to obtain the actual compaction degree of the roadbed pavement filling material.

At present, when the sand filling method is used for detecting compactness, an operator digs a cylindrical hole on a cement stabilized base layer by using tools such as a hammer, a screwdriver, a flat shovel and the like, and a soil sample taken out from the hole is subjected to compactness determination.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide experimental equipment for the compactness of a water-stable base layer of a highway, which can enable inexperienced operators to dig sampling holes required by experiments, control the depth of drilling holes by the operators, avoid carrying a plurality of digging tools and realize simple operation.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: an experimental facility for the compaction degree of a road cement stabilized base layer comprises a sand filling cylinder, a base, a support rod, a bearing, a Y-shaped shaft, a connecting rod, a pulling sand filling cylinder column, an earth digging connecting column, a rotating rod, an earth digging cutter head, a base plate, two slide rails and a first pin shaft;

the front end of the base is provided with a first through hole corresponding to the bottom surface of the base plate, the center of the base plate is provided with a second through hole with the diameter equal to that of the earth-digging cutter head and the sand-filling cylinder, the left side and the right side of the base plate are respectively fixedly connected with two slide rails, the slide rails and the two sides of the base plate are respectively provided with a third through hole, a first pin shaft passes through the three fixed base plates, the two slide rails are vertically arranged and are respectively fixedly connected with the inner wall of the first through hole of the base plate, the lower end of the earth-digging cutter head is hollowed, the earth-digging cutter head is uniformly and circumferentially fixed with a plurality of blades, the upper end of the earth-digging cutter head is fixedly connected with the lower end of the earth-digging connecting column, the upper end of the earth-digging connecting column is radially fixed with a rotating rod, the lower end of the earth-digging column is hollowed, the upper end of the earth-digging connecting column is tightly inserted into the earth-digging column, the upper end of the side wall of the sand-filling cylinder is fixedly connected with the upper end of the side wall of the sand-pulling cylinder, the sand-filling cylinder is provided with the sand-filling cylinder, one end of the supporting rod is fixed on the base, the other end of the supporting rod is fixedly connected with the bearing outer ring, the bearing inner ring is fixedly connected with the lower end of the Y-shaped shaft, the connecting rod is located on the Y-shaped shaft, and the connecting rod and the Y-shaped shaft are rotatably connected through a second pin shaft.

Furthermore, an electronic scale is installed at the rear end of the base.

Furthermore, four rotating wheels are respectively installed at the lower end of the base.

Furthermore, the upper end of the sand filling cylinder is provided with a long groove which can move up and down.

Furthermore, a plurality of screw holes are formed in the base, a plurality of base fixing bolt threads are screwed into the corresponding screw holes, and a rubber mat is fixed at the lower end of each base fixing bolt.

Furthermore, an L-shaped rod collecting groove is formed in the soil digging column, and the upper end of the soil digging column is clamped into the L-shaped rod collecting groove through a rotating rod and is detachably connected with the soil digging connecting column.

Compared with the prior art, the utility model has the beneficial effects that: the device is simple to operate, inexperienced workers can also precisely dig out the standard sampling hole by linking the excavator bit with the rotating rod, the electronic scale is arranged on the base, weighing is convenient, the equipment can be firmly fixed on the ground by the base fixing bolt, and the deviation phenomenon cannot occur in the excavating process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

in the figure: 1-base, 2-support rod, 3-bearing, 4-Y-shaped shaft, 5-connecting rod, 6-pulling and filling sand cylinder column, 7-filling sand cylinder, 8-soil digging column, 9-L-shaped rod collecting groove, 10-soil digging connecting column, 11-rotating rod, 12-soil digging cutter head, 13-base plate, 14-sliding rail, 15-base fixing bolt, 16-electronic scale, 17-rotating wheel, 18-pin shaft I, 19-through hole II and 20-elongated groove.

Detailed Description

The utility model is further explained by referring to fig. 1 and fig. 2, in particular to an experimental facility for the compaction degree of a road cement stabilized base layer, which comprises a sand filling cylinder 7, a base 1, a support rod 2, a bearing 3, a Y-shaped shaft 4, a connecting rod 5, a sand filling cylinder column 6, an earth digging column 8, an earth digging connecting column 10, a rotating rod 11, an earth digging cutter head 12, a base plate 13, two slide rails 14 and a first pin shaft 18;

the front end of the base 1 is provided with a first through hole corresponding to the bottom surface of a base plate 13, the center of the base plate 13 is provided with a second through hole 19 with the same diameter as an excavating cutter head 12 and a sand filling cylinder 7 (the sand filling cylinder 7 is the prior art), the left side and the right side of the base plate 13 are respectively fixedly connected with two slide rails 14, the two sides of the slide rails 14 and the base plate 13 are respectively provided with a third through hole corresponding to the same diameter, a first pin shaft 18 is fixedly connected with the base plate 13 through the three corresponding through holes, the two slide rails 14 are vertically arranged and are fixedly connected with the inner wall of the through hole of the base 1, the lower end of the excavating cutter head 12 is hollowed, the excavating cutter head 12 is uniformly fixed with a plurality of blades along the circumferential direction, the upper end of the excavating cutter head 12 is fixedly connected with the lower end of an excavating connecting column 10, the upper end of the excavating connecting column 10 is radially and fixedly penetrated with a rotating rod 11, the lower end of the excavating column 8 is hollowed, the upper end of the excavating connecting column 10 is tightly inserted into the excavating column 8, and an L-shaped rod collecting groove 9 is arranged on the excavating column 8, dig 8 upper ends of earth pillar and go into L shape through dwang 11 card and receive the pole groove 9 in can dismantle with excavation spliced pole 10 and be connected, dig 8 lateral wall upper ends of earth pillar through connecting rod 5 with draw irritate sand section of thick bamboo 6 lateral wall upper end fixed connection, draw irritate the sand section of thick bamboo 6 lower extreme and install detachable irritate a sand section of thick bamboo 7, irritate sand section of thick bamboo 7 upper end and be equipped with the elongated slot 20 that can reciprocate, 2 one end of bracing piece are fixed on base 1, the 2 other ends of bracing piece and 3 outer ring fixed connection of bearing, 3 inner rings of bearing and 4 lower extreme fixed connection of Y shape axle, connecting rod 5 is located on Y shape axle 4, and the two rotates through round pin axle two and is connected.

Electronic scale 16 is installed to the rear end on base 1 (electronic scale 16 is prior art), and four rotation wheels 17 are installed respectively to base 1 lower extreme, are equipped with a plurality of screws on the base 1, and in a plurality of base fixing bolt 15 screw threads twisted corresponding screw, every base fixing bolt 15 lower extreme was fixed with the cushion.

When the utility model is used, the equipment is pushed to a designated position, the base fixing bolt 15 is screwed to fix the equipment, the pin shaft 18 is pulled out to enable the base plate 13 to descend to be attached to the ground, the rotating rod 11 in the L-shaped rod collecting groove 9 is rotated to enable the excavating connecting column 10 to descend, the excavating tool bit 12 is attached to the ground through the second through hole 19 on the base plate 13, the rotating rod 11 is rotated to begin to drill soil, the rotating rod 11 is retracted into the L-shaped rod collecting groove 9 after the soil drilling is finished, the sand filling cylinder 7 is weighed on an electronic scale 16 (the electronic scale 16 is the prior art), the sand filling cylinder 7 is lifted by pulling the sand filling cylinder column 6, the sand filling cylinder 7 is moved to the position of the base plate 13 by rotating the bearing 3 on the support rod 2, the sand filling cylinder 7 is placed above the dug through hole II 19 to be tightly attached to the base plate, sand begins to be discharged, the sand is discharged, and the sand filling cylinder 7 is rotated to the electronic scale 16 to be weighed by rotating the bearing 3 on the support rod 2 after the sand discharge is finished.

Claims

1. An experimental facility for the compactness of a water-stable base course of a highway comprises a sand filling cylinder (7); the method is characterized in that: the device comprises a base (1), a support rod (2), a bearing (3), a Y-shaped shaft (4), a connecting rod (5), a sand pulling and filling cylinder column (6), an earth digging column (8), an earth digging connecting column (10), a rotating rod (11), an earth digging cutter head (12), a base plate (13), two sliding rails (14) and a first pin shaft (18);

the front end of the base (1) is provided with a first through hole corresponding to the bottom surface of the base plate (13), the center of the base plate (13) is provided with a second through hole (19) with the same diameter as the earth-digging cutter head (12) and the sand-filling cylinder (7), the left side and the right side of the base plate (13) are respectively fixedly connected with two slide rails (14), the two sides of the slide rails (14) and the base plate (13) are respectively provided with a third through hole corresponding to each other, a first pin shaft (18) is used for fixing the base plate (13) through the three corresponding through holes, the two slide rails (14) are vertically arranged and are fixedly connected with the inner wall of the first through hole of the base (1), the lower end of the earth-digging cutter head (12) is hollowed out, the earth-digging cutter head (12) is uniformly fixed with a plurality of cutter blades along the circumferential direction, the upper end of the earth-digging cutter head (12) is fixedly connected with the lower end of the earth-digging connecting column (10), and a rotating rod (11) is fixedly penetrated through the upper end of the earth-digging connecting column (10) along the radial direction, dig earth pillar (8) lower extreme fretwork, dig in closely inserting digging earth pillar (8) upper end spliced pole (10), dig earth pillar (8) lateral wall upper end through connecting rod (5) and draw and irritate sand section of thick bamboo post (6) lateral wall upper end fixed connection, draw and irritate sand section of thick bamboo (7) are installed to sand section of thick bamboo post (6) lower extreme and detachable, bracing piece (2) one end is fixed on base (1), the bracing piece (2) other end and bearing (3) outer loop fixed connection, bearing (3) inner ring and Y shape axle (4) lower extreme fixed connection, connecting rod (5) are located on Y shape axle (4), and the two rotates through round pin axle two and connects.

2. The experimental facility for testing the compaction of the water-stable base course of the highway according to claim 1, wherein: an electronic scale (16) is installed at the rear end of the base (1).

3. The experimental facility for testing the compaction of the water-stable base course of the highway according to claim 1, wherein: four rotating wheels (17) are respectively installed at the lower end of the base (1).

4. The experimental facility for testing the compaction of the water-stable base course of the highway according to claim 1, wherein: the upper end of the sand filling cylinder (7) is provided with a long groove (20) which can move up and down.

5. The experimental facility for testing the compaction of the water-stable base course of the highway according to claim 1, wherein: the base (1) is provided with a plurality of screw holes, a plurality of base fixing bolts (15) are screwed into the corresponding screw holes, and the lower end of each base fixing bolt (15) is fixed with a rubber mat.

6. The experimental facility for testing the compaction of the water-stable base course of the highway according to claim 1, wherein: dig and be equipped with L shape receipts pole groove (9) on earth pillar (8), dig earth pillar (8) upper end and go into L shape receipts pole groove (9) through dwang (11) card and go into and can dismantle with excavation spliced pole (10) and be connected.