CN215977202U

CN215977202U - Highway foundation sampling device

Info

Publication number: CN215977202U
Application number: CN202122084075.0U
Authority: CN
Inventors: 张兰英; 赖丽萍
Original assignee: Fujian Xingwang Construction Development Co ltd
Current assignee: Fujian Xingwang Construction Development Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-08
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a road foundation sampling device, which comprises a bottom plate, wherein supporting rods are arranged on the surface of the bottom plate along the peripheral corners, a workbench is arranged on each supporting rod, a driving rod is arranged on the workbench along the vertical direction, a driving mechanism for driving the driving rod to move up and down is arranged on the workbench, a sampling pipe is arranged below the driving rod, by adopting the technical scheme, the device is moved to the road foundation to be tested, the sampling pipe is driven by the driving mechanism to rotate and drive the sampling pipe to move downwards, the sampling pipe is quickly drilled into the foundation under the high-speed rotation of a saw cut, a foundation soil layer can enter a sampling assembly during the process of drilling the sampling pipe into the foundation, the sampling pipe is taken out after being drilled into a certain depth, the sampling pipe is detached through a flange plate, a tool is utilized to push the sampling assembly out of the sampling pipe, a sampling mother pipe is opened, and a complete foundation soil layer sample is stored in the sampling male pipe, thereby provide a highway ground sampling device that can take out foundation soil layer sample completely.

Description

Highway foundation sampling device

Technical Field

The utility model relates to the field of road foundation sampling, in particular to a road foundation sampling device.

Background

The foundation detection research room is mainly used for foundation detection and test, foundation treatment detection and monitoring, foundation pit monitoring, temperature monitoring in the process of pouring large-volume concrete, safety monitoring of deformation and stress in the process of constructing a large-scale complex structure, long-term health monitoring of heavy industrial plants, equipment and environmental vibration test and the like.

The road foundation needs to be detected in the road construction process, whether the detected road reaches the standard or not is detected, therefore, a drilling sampling device is often used for sampling the foundation, the existing road foundation sampling device integrally adopts the end part of a motor rotor shaft to be connected with the end part of a drill bushing, the lower end surface of the drill bushing is annularly provided with a saw cut, when the motor is powered on to operate, the drill bushing is driven to rotate, the lower end opening of the drill bushing is propped against the tamped foundation, the drill bushing rapidly drills into the foundation under the high-speed rotation of the saw cut, after the drill bushing drills into a certain depth, the motor is pulled upwards to pull the drill bushing out of a drill hole along a foundation soil layer inserted inside the drill bushing, the foundation soil layer is taken out of the drill bushing, the soil layer compaction density detection is convenient, the existing technology generally takes time and labor, the foundation soil layer to be detected in the drill bushing is taken out by knocking the drill bushing, the test precision is influenced, therefore, it becomes the problem that needs to be solved urgently to provide a highway ground sampling device that can take out foundation soil layer sample completely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the present invention provides a road foundation sampling device capable of completely taking out a sample of a foundation soil layer.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the main technical scheme that:

a road foundation sampling device comprises a bottom plate, wherein supporting rods are arranged on the surface of the bottom plate along the peripheral corners, a workbench is mounted on each supporting rod, a driving rod is arranged on the workbench along the vertical direction, a driving mechanism for driving the driving rod to move up and down is arranged on the workbench, a sampling tube is arranged below the driving rod, the driving rod and the sampling tube are detachably connected through a flange plate, a saw cut is annularly arranged on the lower end face of the sampling tube, a sampling assembly is sleeved in the sampling tube and comprises a sampling male tube and a sampling female tube, the sampling male tube and the sampling female tube respectively comprise semi-annular tube bodies, outwards-protruding limiting blocks are arranged on the outer walls of the sampling male tube and the sampling female tube, a circular bottom plate is arranged at one end of the sampling male tube, and a connecting block is arranged on the joint face of the sampling male tube, which is combined with the sampling female tube, a clamping groove matched with the connecting clamping block is formed in the sampling main pipe; and the bottom plate is provided with a sampling hole for the sampling tube to come in and go out.

Preferably, the cross section of the connecting fixture block is T-shaped, and the inner wall of the sampling tube is provided with a connecting groove matched with the limiting block.

Preferably, actuating mechanism is including setting up the supporting rack on the workstation, be provided with servo motor on the supporting rack, servo motor's output is connected with the action wheel, the action wheel is arranged in the inner chamber of supporting rack, and the swivelling joint has the driven wheel of meshing mutually with the action wheel in the inner chamber of supporting rack, locates the actuating lever outside and slides with the actuating lever from the coaxial cover of driving wheel and be connected.

Preferably, the bottom plate bottom is located the thief hole below and sets up annular shower, annular shower passes through the drainage end of water piping connection water pump, the end of intaking of water pump passes through water piping connection water tank.

Preferably, the bottom of the bottom plate is provided with self-locking universal wheels along four peripheral corners.

(III) advantageous effects

The utility model has the beneficial effects that: by adopting the technical scheme, the device is moved to a road foundation to be tested, the sampling tube is driven to rotate by the driving mechanism and is driven to move downwards, the sampling tube is rapidly drilled into the foundation under the high-speed rotation of the saw cut, the foundation soil layer can enter the sampling assembly in the process of drilling the sampling tube into the foundation, the sampling tube is taken out after being drilled into a certain depth, the sampling tube is detached by the flange plate, the sampling assembly is pushed out of the sampling tube by a tool, the sampling female tube is opened, and the complete foundation soil layer sample is stored in the sampling male tube, so that the road foundation sampling device capable of completely taking out the foundation soil layer sample is provided.

Drawings

FIG. 1 is a schematic structural diagram of a road foundation sampling device;

FIG. 2 is a schematic view of a sampling tube with a sampling assembly mounted thereon;

FIG. 3 is a schematic structural view of a sampling assembly;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

[ description of reference ]

1-a bottom plate; 2-a strut; 3-a workbench; 4-a support frame; 5-a servo motor; 6-a drive rod; 7-a flange plate; 8-sampling tube; 9-sampling hole; 10-self-locking universal wheel; 11-a sampling assembly; 111-sampling male pipe; 112-circular base plate; 113-sampling mother tube; 114-a card slot; 115-connecting fixture block; 116-a stop block; 12-a connecting trough; 13-driving wheel; 14-a driven wheel; 15-a water tank; 16-a water pump; 17-ring-shaped spray pipe.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides a road foundation sampling device, which comprises a bottom plate 1, wherein supporting rods 2 are arranged on the surface of the bottom plate 1 along the peripheral corners, a workbench 3 is arranged on the supporting rods 2, a driving rod 6 is arranged on the workbench 3 along the vertical direction, a driving mechanism for driving the driving rod 6 to move up and down is arranged on the workbench 3, a sampling pipe 8 is arranged below the driving rod 6, the driving rod 6 is detachably connected with the sampling pipe 8 through a flange 7, a saw cut is annularly arranged on the lower end surface of the sampling pipe 8, a sampling assembly 11 is sleeved in the sampling pipe 8, the sampling assembly 11 comprises a sampling male pipe 111 and a sampling female pipe 113, the sampling male pipe 111 and the sampling female pipe 113 both comprise semi-annular pipe bodies, the outer walls of the sampling male pipe 111 and the sampling female pipe 113 are both provided with outwards-protruded limiting blocks 116, one end of the sampling male pipe 111 is provided with a circular bottom plate 112, a connecting fixture block 115 is arranged on a joint surface of the sampling male pipe 111, which is used for being combined with the sampling female pipe 113, and a clamping groove 114 matched with the connecting fixture block 115 is arranged on the sampling female pipe 113; a sampling hole 9 for the sampling tube 8 to come in and go out is arranged on the bottom plate 1; when the device is used, the device is moved to a road foundation to be tested, the sampling tube 8 is driven to rotate by the driving mechanism and is driven to move downwards, the sampling tube 8 is rapidly drilled into the foundation under the high-speed rotation of the saw cut, a foundation soil layer can enter the sampling assembly 11 in the process that the sampling tube 8 is drilled into the foundation, the foundation soil layer is taken out after being drilled into a certain depth, the sampling tube 8 is detached by the flange 7, a tool is utilized again to push the sampling assembly 11 out of the sampling tube 8, the sampling female tube 113 is opened again, and a complete foundation soil layer sample is stored in the sampling male tube 111, so that the road foundation sampling device capable of completely taking out the foundation soil layer sample is provided.

In this embodiment, the cross section of the connection fixture block 115 is T-shaped, the inner wall of the sampling tube 8 is provided with the connection groove 12 adapted to the limiting block 116, the sampling male tube 111 is connected to the sampling female tube 113 through the connection fixture block 115, and the connection between the sampling male tube 111 and the sampling female tube 113 is firmer by the connection fixture block 115 of the T-shaped.

In this embodiment, the driving mechanism includes a supporting frame 4 disposed on the workbench 3, a servo motor 5 is disposed on the supporting frame 4, an output end of the servo motor 5 is connected with a driving wheel 13, the driving wheel 13 is located in an inner cavity of the supporting frame 4, a driven wheel 14 meshed with the driving wheel 13 is rotatably connected in the inner cavity of the supporting frame 4, the driven wheel 14 is coaxially sleeved outside the driving rod 6 and connected with the driving rod 6 in a sliding manner, the servo motor 5 is started, the driving wheel 13 rotates along with the servo motor 5, the driven wheel 14 rotates under the action of the driving wheel 13, due to the limitation of the supporting frame 4, the driving rod 6 rotates along with the driven gear, and moves along the vertical direction under the action of the internal thread of the driven wheel 14.

Referring to fig. 4, a second embodiment of the present invention; an annular spraying pipe 17 is arranged at the bottom of the bottom plate 1 below the sampling hole 9, the annular spraying pipe 17 is connected with the water discharging end of a water pump 16 through a water pipe, and the water inlet end of the water pump 16 is connected with a water tank 15 through a water pipe; the annular spraying pipe 17 can reduce the dust generated after the sampling pipe 8 is drilled into the foundation.

In this embodiment, the bottom of the bottom plate 1 is provided with self-locking universal wheels 10 along the four corners.

The working principle of the utility model is as follows: the device is moved to a road foundation to be tested, the sampling tube 8 is driven to rotate by the driving mechanism and is driven to move downwards, the sampling tube 8 is driven to quickly drill into the foundation by the high-speed rotation of the saw cut, a foundation soil layer can enter the sampling assembly 11 in the process that the sampling tube 8 drills into the foundation and is taken out after the sampling tube 8 drills into a certain depth, the sampling tube 8 is detached by the flange 7, a tool is used for pushing the sampling assembly 11 out of the sampling tube 8, the sampling female tube 113 is opened, and a complete foundation soil layer sample is stored in the sampling male tube 111, so that the road foundation sampling device capable of completely taking out the foundation soil layer sample is provided.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the contents of the present specification and the drawings, or applied to the related technical fields directly or indirectly, are included in the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A road foundation sampling device comprises a bottom plate and is characterized in that supporting rods are arranged on the surface of the bottom plate along the peripheral corners, a workbench is mounted on each supporting rod, a driving rod is arranged on the workbench in the vertical direction, a driving mechanism for driving the driving rod to move up and down is arranged on the workbench, a sampling tube is arranged below the driving rod and detachably connected with the sampling tube through a flange plate, a saw cut is annularly arranged on the lower end face of the sampling tube, a sampling assembly is sleeved in the sampling tube and comprises a sampling male tube and a sampling female tube, the sampling male tube and the sampling female tube respectively comprise semi-annular tube bodies, outwards-protruding limiting blocks are arranged on the outer walls of the sampling male tube and the sampling female tube, a circular bottom plate is arranged at one end of the sampling male tube, and a connecting clamping block is arranged on the joint face of the sampling male tube, which is combined with the sampling female tube, a clamping groove matched with the connecting clamping block is formed in the sampling main pipe; and the bottom plate is provided with a sampling hole for the sampling tube to come in and go out.

2. The road foundation sampling device of claim 1, wherein the cross section of the connection fixture block is T-shaped, and the inner wall of the sampling pipe is provided with a connection groove adapted to the limiting block.

3. The road foundation sampling device of claim 1, wherein the driving mechanism comprises a support frame arranged on the workbench, a servo motor is arranged on the support frame, an output end of the servo motor is connected with a driving wheel, the driving wheel is located in an inner cavity of the support frame, a driven wheel meshed with the driving wheel is rotatably connected in the inner cavity of the support frame, and the driven wheel is coaxially sleeved outside the driving rod and connected with the driving rod in a sliding manner.

4. The road foundation sampling device of claim 1, wherein the bottom of the bottom plate is provided with an annular spray pipe below the sampling hole, the annular spray pipe is connected with a water discharging end of a water pump through a water pipe, and a water inlet end of the water pump is connected with a water tank through a water pipe.

5. A road foundation sampling device as claimed in claim 1 wherein the bottom of the base plate is provided with self-locking universal wheels along all four peripheral corners.