CN220626097U - Roadbed filling compactness detection device - Google Patents

Abstract

The application relates to a roadbed filling compactness detection device relates to roadbed compactness check out test set technical field. The soil sampler comprises a support frame and a soil sampling assembly for sampling soil; the soil sampling assembly comprises a sleeve, a rotating rod, a helical blade, a mounting plate and a motor; the sleeve is in sliding connection with the supporting frame, the mounting plate is arranged at the top end of the sleeve, and a through hole for discharging a soil sample is formed in the side wall of the top end of the sleeve; the rotating rod and the helical blade are coaxially arranged in the inner cavity of the sleeve, the helical blade is fixedly connected with the rotating rod, and the bottom end of the helical blade extends out of the sleeve; the motor is arranged on the mounting plate, and the motor output shaft is coaxially and fixedly connected with the top end of the rotating rod. This application has the effect of being convenient for take out the soil sample of sleeve pipe inner chamber.

Description

Roadbed filling compactness detection device

Technical Field

The application relates to the technical field of roadbed compactness detection equipment, in particular to a roadbed filling compactness detection device.

Background

The compactness of the roadbed is one of key indexes for detecting the construction quality of the roadbed and the road surface, represents the density condition after site compaction, and is an important index for measuring the compactness of the roadbed, the semi-rigid base layer of the road surface and the granular flexible base layer. The determination of the compactness of the roadbed mainly comprises indoor standard density determination and in-situ density test. The degree of compaction of the roadbed is measured by a sand filling method, a water filling method, a ring cutting method and a core drilling method.

The Chinese patent with the publication number of CN215052836U discloses a detection mechanism comprising a support frame and a foundation sampling mechanism, wherein the support frame comprises a support plate, at least three screw rods for supporting the support plate and a driving mechanism for driving the screw rods to synchronously rotate, the screw rods are rotationally connected with the bottom wall of the support plate, the detection mechanism is positioned on the support plate, the detection mechanism comprises a drill rod, a sleeve, a cross drill bit for foundation rotary drilling, a rotating assembly for driving the cross drill bit to rotate and a lifting assembly for driving the drill rod to lift, the rotating assembly comprises a mounting plate and a driving motor, the drill rod penetrates through the mounting plate and is coaxially arranged with an output shaft of the driving motor, the drill rod is rotationally connected with the mounting plate and is coaxially arranged with the screw rods, the cross drill bit is far away from one end of the driving motor and is provided with a stress sensor, and the stress sensor is electrically connected with a computer; the sleeve is sleeved on the periphery of the drill rod, the sleeve and the drill rod are concentrically arranged, the sleeve is connected with the bottom wall of the mounting plate and higher than the cross drill bit, and a through hole communicated with the inner cavity of the sleeve is formed in the sleeve.

The output shaft of the driving motor drives the drill rod to rotate, the drill rod drives the cross drill bit to rotate, the cross drill bit drills into the roadbed to fetch soil, but when a small amount of soil exists in the inner cavity of the sleeve, the soil in the inner cavity of the sleeve is difficult to fetch because of the high position of the through hole.

Disclosure of Invention

In order to be convenient for take out the soil sample of sleeve pipe inner chamber, this application provides a road bed filling compactness detection device.

The application provides a road bed filling compactness detection device adopts following technical scheme:

the roadbed filling compactness detection device comprises a support frame and a soil taking assembly for taking soil;

the soil sampling assembly comprises a sleeve, a rotating rod, a helical blade, a mounting plate and a motor;

the sleeve is in sliding connection with the supporting frame, the mounting plate is arranged at the top end of the sleeve, and a through hole for discharging a soil sample is formed in the side wall of the top end of the sleeve;

the rotating rod and the helical blade are coaxially arranged in the inner cavity of the sleeve, the helical blade is fixedly connected with the rotating rod, and the bottom end of the helical blade extends out of the sleeve;

the motor is arranged on the mounting plate, and the motor output shaft is coaxially and fixedly connected with the top end of the rotating rod.

Through adopting above-mentioned technical scheme, the starter motor, motor output shaft drives the bull stick and rotates, the bull stick drives helical blade motion, because helical blade bottom stretches out the sleeve pipe for helical blade bores in the road bed, and the soil sample of boring is carried to the sleeve pipe top through helical blade and sheathed tube cooperation, then discharges through the through-hole, compares in the mode of discharging earth in the contrast file, because helical blade's transport effect, can follow the through-hole with intraductal soil sample of cover as far as possible, guarantees that the soil sample of sleeve pipe inner chamber is collected as far as possible, thereby can guarantee the weight of the soil sample of getting, be convenient for detect the compactness of road bed.

Optionally, the supporting frame comprises a supporting plate and at least three supporting rods arranged on the supporting plate;

the sleeve is in sliding connection with the supporting plate;

the support rod is used for supporting the support plate.

Through adopting above-mentioned technical scheme, before using helical blade sample, through bracing piece butt subaerial to with sleeve pipe and backup pad sliding connection, the guide helical blade of being convenient for drills on the road bed, improved helical blade and creep into the stability in-process.

Optionally, the supporting rod penetrates through the supporting plate and is in threaded connection with the supporting plate.

Through adopting above-mentioned technical scheme, rotate the bracing piece, can adjust the height of backup pad, when the road base is not at ordinary times, be convenient for adjust the backup pad and be in the horizontality to guarantee that helical blade can vertically bore into the road bed in the soil sampling.

Optionally, a handle is arranged at the top end of the supporting rod.

Through adopting above-mentioned technical scheme, when needs adjust the backup pad, the staff holds the handle, is convenient for rotate the bracing piece.

Optionally, a protective housing is disposed on the mounting plate, and the motor is disposed in the protective housing.

Through adopting above-mentioned technical scheme, the protective housing of design, the protection motor of being convenient for does not receive the destruction of foreign matter.

Optionally, handles for holding by hands are arranged on two sides of the protective shell.

By adopting the technical scheme, when soil is taken on the roadbed, the handles are held by two hands of a worker, so that the spiral blade can be lifted or lowered conveniently.

Optionally, the casing is provided with a soil-receiving box, an opening at the top of the soil-receiving box is arranged, and the soil-receiving box is arranged right below the through hole.

Through adopting above-mentioned technical scheme, the soil sample of sleeve pipe inner chamber is discharged the back through the through-hole, falls into the soil box that connects of putting down and deposits, is convenient for collect the soil sample.

Optionally, the earth box is close to the top of sleeve pipe one side is equipped with the hem of L type, sleeve pipe peripheral wall is equipped with the cooperation groove, the cooperation groove is located under the through-hole, the notch department of cooperation groove is equipped with the card limit, the card limit is located the cooperation groove is kept away from through-hole one side, the tank bottom activity of cooperation groove is provided with the cardboard, the cardboard with be equipped with compression spring between the tank bottom of cooperation groove, works as the hem is located the cardboard with when the card limit, compression spring promotes the cardboard with hem butt.

By adopting the technical scheme, when the soil box is required to be mounted on the sleeve, the folded edge of the soil box is placed in the matching groove, the folded edge pushes the clamping plate to move, the compression spring is shortened, then the folded edge is pressed down, the folded edge is positioned between the clamping plate and the clamping edge, and when the material box is released, the compression spring is restored to deform, and the clamping plate is pushed to tightly prop the folded edge, so that the soil box is convenient to mount; when the soil box needs to be disassembled, the clamping plate is pressed by fingers or wood bars firstly, so that the clamping plate moves towards the inside of the matching groove, the soil box is lifted by hands, the folded edges are taken out from between the clamping edges and the clamping plate, and the soil box is convenient to disassemble.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the designed roadbed filling compactness detection device, a motor is started, an output shaft of the motor drives a rotating rod to rotate, the rotating rod drives a spiral blade to move, the bottom end of the spiral blade stretches out of a sleeve, so that the spiral blade drills into a roadbed, a drilled soil sample is conveyed to the top end of the sleeve through the cooperation of the spiral blade and the sleeve and then is discharged through a through hole;

2. according to the designed roadbed filling compactness detection device, when the earth box is required to be installed on the sleeve, the folded edge of the earth box is placed in the matching groove, the folded edge pushes the clamping plate to move, the compression spring is shortened, then the folded edge is pressed down, the folded edge is positioned between the clamping plate and the clamping edge, and when the material box is released, the compression spring is restored to deform, the clamping plate is pushed to tightly prop the folded edge, so that the installation of the earth box is facilitated; when the soil box needs to be disassembled, the clamping plate is pressed by fingers or wood bars firstly, so that the clamping plate moves towards the inside of the matching groove, the soil box is lifted by hands, the folded edges are taken out from between the clamping edges and the clamping plate, and the soil box is convenient to disassemble.

Drawings

Fig. 1 is a schematic structural diagram of a roadbed filling compactness detecting device according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a roadbed filling compactness detecting device according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the soil box according to the embodiment of the present application.

Reference numerals: 1. a support frame; 11. a support plate; 12. a support rod; 13. a handle; 2. a soil sampling assembly; 21. a sleeve; 211. a through hole; 212. a mating groove; 213. clamping edges; 214. a clamping plate; 215. a compression spring; 22. a rotating rod; 23. a helical blade; 24. a mounting plate; 25. a motor; 3. a protective shell; 31. a handle; 4. a soil receiving box; 41. and (5) flanging.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a road bed filling compactness detection device.

Referring to fig. 1, a road bed filling compactness detecting device includes a support frame 1 and a soil sampling assembly 2 for sampling soil.

Referring to fig. 1 and 2, the soil sampling assembly 2 comprises a sleeve 21, a rotating rod 22, a helical blade 23, a mounting plate 24 and a motor 25, wherein the sleeve 21 is in sliding connection with the support frame 1, the mounting plate 24 is welded at the top end of the sleeve 21, a through hole 211 for discharging a soil sample is formed in the side wall of the top end of the sleeve 21, the rotating rod 22 and the helical blade 23 are coaxially arranged in the inner cavity of the sleeve 21, the helical blade 23 in the embodiment can be a single helical type, the helical blade 23 in the embodiment can also be a double helical type, but the soil sample in the inner cavity of the sleeve 21 can be discharged from the through hole 211, the helical blade 23 is welded with the rotating rod 22, the bottom end of the helical blade 23 extends out of the sleeve 21, and the bottom end of the rotating rod 22 is provided with a tip so as to be convenient to drill into a roadbed; the sleeve 21 of the motor 25 is connected to the mounting plate 24 through bolts, the mounting plate 24 is a circular plate, an output shaft of the motor 25 is fixedly connected with the top end of the rotating rod 22 through a coupler coaxially, and the output shaft of the motor 25 penetrates through the mounting plate 24 and is rotationally connected with the mounting plate 24; in order to facilitate protection of the motor 25 from foreign objects, in this embodiment, the mounting plate 24 is connected with the protective housing 3 through threads, the protective housing 3 is cylindrical, the protective housing 3 and the motor 25 are coaxially arranged, and the motor 25 is located in the protective housing 3; in order to facilitate the lifting and lowering of the sleeve 21 by the worker, in this embodiment, the handles 31 for holding by a human hand are fixedly connected to the two sides of the protective housing 3 by means of bolting, the handles 31 are , and the two handles 31 are symmetrically arranged about the axis of the protective housing 3.

Referring to fig. 2, 3 and 4, in order to collect the soil sample discharged from the through hole 211, in this embodiment, the sleeve 21 is provided with a soil receiving box 4, the top opening of the soil receiving box 4 is disposed, the soil receiving box 4 is disposed right under the through hole 211, and one side of the soil receiving box 4 close to the sleeve 21 is arc-shaped and coaxial with the sleeve 21, so as to improve the stability of the soil receiving box 4; in order to realize the detachable installation of the soil-receiving box 4, in this embodiment, the top end of one side of the soil-receiving box 4, which is close to the sleeve 21, is provided with an L-shaped folded edge 41, the cross section of the folded edge 41 is arc-shaped, the peripheral wall of the sleeve 21 is provided with a matching groove 212, the matching groove 212 is positioned under the through hole 211, the cross section of the matching groove 212 is arc-shaped, a clamping edge 213 is welded at the notch of the matching groove 212, the clamping edge 213 is arranged at one side of the matching groove 212, which is far away from the through hole 211, the cross section of the clamping edge 213 is arc-shaped, a gap for the folded edge 41 to extend into the matching groove 212 is reserved between the clamping edge 213 and the upper side wall of the matching groove 212, a clamping plate 214 is slidingly connected with the bottom of the matching groove 212, the sliding direction is radial of the sleeve 21, the cross section of the clamping plate 214 is arc-shaped, a compression spring 215 is arranged between the clamping plate 214 and the bottom of the matching groove 212, one end of the compression spring 215 is hooked with the clamping plate 214, and the other end of the compression spring is abutted against the bottom of the matching groove 212; in order to prevent the flange 41 from extending between the clamping plate 214 and the bottom of the matching groove 212, in this embodiment, the top end of the clamping plate 214 contacts with the upper side wall of the matching groove 212; when the folded edge 41 is positioned between the clamping plate 214 and the clamping edge 213, the compression spring 215 pushes the clamping plate 214 to abut against the folded edge 41 so as to realize the detachable installation of the soil box 4; in this embodiment, a receiving plate may be further disposed on the outer peripheral wall of the sleeve 21, and after the soil box 4 is installed, the bottom wall of the soil box 4 falls onto the receiving plate, so as to further support the soil box 4.

When the earth box 4 is required to be installed on the sleeve 21, the folded edge 41 of the earth box 4 is placed in the matching groove 212, the folded edge 41 pushes the clamping plate 214 to move, the compression spring 215 is shortened, then the folded edge 41 is pressed down, the folded edge 41 is positioned between the clamping plate 214 and the clamping edge 213, and when the earth box is released, the compression spring 215 is restored to deform, and the clamping plate 214 is pushed to tightly prop the folded edge 41, so that the earth box 4 is convenient to install; when the soil box 4 needs to be disassembled, the clamping plate 214 is pressed by fingers or wood bars firstly, so that the clamping plate 214 moves towards the inside of the matching groove 212, a person lifts the soil box 4 by hand, and the folded edge 41 is taken out from between the clamping edge 213 and the clamping plate 214, so that the soil box 4 is convenient to disassemble.

Referring to fig. 1, the support 1 includes a support plate 11 and at least three support rods 12 disposed on the support plate 11, in this embodiment, the support plate 11 is a circular plate, the sleeve 21 is coaxially disposed with the support plate 11, the sleeve 21 can rotate relative to the support plate 11, and the sleeve 21 is slidably connected with the support plate 11; the bracing piece 12 is used for supporting backup pad 11, and bracing piece 12 quantity can be three in this application, can be four, also can be six, and even realize supporting backup pad 11 can, in this embodiment bracing piece 12 quantity be three, and three bracing piece 12 are along backup pad 11 circumference evenly distributed, every bracing piece 12 all with sleeve pipe 21 parallel arrangement, bracing piece 12 bottom is the pointed end setting to in the convenience inserts the road bed, keeps backup pad 11's stability. In order to facilitate adjustment of the levelness of the support plate 11 so as to ensure that the sleeve 21 can be vertical, in this embodiment, the support rod 12 penetrates through the support plate 11 and is in threaded connection with the support plate 11, and a handle 13 is welded at the top end of the support rod 12 so as to facilitate adjustment of rotation of the support rod 12.

It should be noted that, the formula for measuring the compactness and the measurement of the hole volume after sampling are all prior art in the art, and are not described herein.

The implementation principle of the roadbed filling compactness detection device provided by the embodiment of the application is as follows: when the device is used, firstly, the detection device is moved to a roadbed to be sampled, then, the supporting rod 12 is adjusted, the supporting plate 11 is kept horizontal, the sleeve 21 is kept vertical, the bottom of the supporting rod 12 is pricked into the roadbed, the spiral blade 23 is aligned to the position to be sampled, the handle 31 is held by a human hand, the motor 25 is started, the output shaft of the motor 25 drives the rotating rod 22 to rotate, the rotating rod 22 drives the spiral blade 23 to move, a worker lowers the spiral blade 23, the bottom end of the spiral blade 23 stretches out of the sleeve 21, the spiral blade 23 drills into the roadbed, the drilled soil sample is conveyed to the top end of the sleeve 21 through the cooperation of the spiral blade 23 and the sleeve 21 and then is discharged through the through hole 211, the discharged soil sample falls into the soil receiving box 4.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a road bed filling compactness detection device, includes support frame (1), its characterized in that: the soil sampling device also comprises a soil sampling assembly (2) for sampling soil;

the soil sampling assembly (2) comprises a sleeve (21), a rotating rod (22), a spiral blade (23), a mounting plate (24) and a motor (25);

the sleeve (21) is in sliding connection with the support frame (1), the mounting plate (24) is arranged at the top end of the sleeve (21), and a through hole (211) for discharging a soil sample is formed in the side wall of the top end of the sleeve (21);

the rotating rod (22) and the helical blade (23) are coaxially arranged in the inner cavity of the sleeve (21), the helical blade (23) is fixedly connected with the rotating rod (22), and the bottom end of the helical blade (23) extends out of the sleeve (21);

the motor (25) is arranged on the mounting plate (24), and an output shaft of the motor (25) is fixedly connected with the top end of the rotating rod (22) coaxially.

2. The subgrade filling compactness detection device according to claim 1, characterized in that: the support frame (1) comprises a support plate (11) and at least three support rods (12) arranged on the support plate (11);

the sleeve (21) is in sliding connection with the support plate (11);

the support rod (12) is used for supporting the support plate (11).

3. The subgrade filling compactness detection device according to claim 2, characterized in that: the supporting rod (12) penetrates through the supporting plate (11) and is in threaded connection with the supporting plate (11).

4. The subgrade filling compactness detection device according to claim 2, characterized in that: the top end of the supporting rod (12) is provided with a handle (13).

5. The subgrade filling compactness detection device according to claim 1, characterized in that: the mounting plate (24) is provided with a protective shell (3), and the motor (25) is positioned in the protective shell (3).

6. The subgrade filling compactness detection device of claim 5, wherein: handles (31) for holding by hands are arranged on two sides of the protective shell (3).

7. The subgrade filling compactness detection device according to claim 1, characterized in that: the casing (21) is provided with a soil-receiving box (4), an opening at the top of the soil-receiving box (4) is arranged, and the soil-receiving box (4) is arranged right below the through hole (211).

8. The subgrade filling compactness detection device of claim 7, wherein: the soil box (4) is close to top of sleeve pipe (21) one side is equipped with hem (41) of L type, sleeve pipe (21) peripheral wall is equipped with cooperation groove (212), cooperation groove (212) are located under through-hole (211), the notch department of cooperation groove (212) is equipped with card limit (213), card limit (213) are located cooperation groove (212) are kept away from through-hole (211) one side, the tank bottom activity of cooperation groove (212) is provided with cardboard (214), cardboard (214) with be equipped with compression spring (215) between the tank bottom of cooperation groove (212), works as hem (41) are located cardboard (214) with when card limit (213) between, compression spring (215) promote cardboard (214) with hem (41) butt.