CN212159117U - Novel ground sample device - Google Patents

Abstract

The utility model relates to a novel geotechnical sampling device, comprising a workbench, a rotary hydraulic cylinder, a sampling rod and an anti-skid drill bit. A shock absorber is arranged in the middle of the top of the workbench, and a rotary hydraulic pressure is fixed above the shock absorber. A cylinder, a horizontal bead is installed on one side of the top of the workbench, the two ends of the sampling rod are respectively connected with a piston rod and an anti-skid drill bit, a scale line is provided on the outer side of the upper part of the sampling rod, and the bottom of the workbench is fixedly installed with A support column, the bottom of the support column is provided with an adjustment support foot, the adjustment support foot includes a bearing seat and a connecting rod, and the bottom of the bearing seat is provided with a fixed oblique thorn for easy insertion into the ground. The utility model can be stably placed on uneven ground, slow down vibration, keep the sampling device stable, and can be adjusted to a state where the workbench and the ground are kept parallel, so that the sampling rod can be kept perpendicular to the ground, and the sampling rock formation can be accurately controlled The depth of the sample is convenient, saving time and effort.

Description

A new type of geotechnical sampling device

technical field

The utility model relates to the technical field of soil sampling equipment, in particular to a geotechnical soil sampling device in geotechnical engineering.

Background technique

Geotechnical engineering exploration is a technical method used to find out the basic characteristics and spatial distribution of subsurface rock and soil, groundwater and adverse geological effects; sampling is the process of on-site exploration, using certain technical means to meet various specific quality. Required rock, soil and groundwater samples. The existing geotechnical sampling device generally includes a workbench, the top of the workbench is provided with a rotary hydraulic cylinder, the rotary hydraulic cylinder is connected to the upper end of the sampling rod through a piston rod, the lower end of the sampling rod is connected to a drill bit, and a set of sampling grooves are arranged on the sampling rod, which This device is convenient for deep soil sampling, and can directly drive the sampling rod to extend into the ground for sampling. It needs to adopt the method of deep excavation, which has little damage to the surface preparation and saves time and effort.

The existing geotechnical sampling devices still have some deficiencies in use. In order to achieve vertical sampling, the sampling rod needs to be perpendicular to the ground during operation. In the actual environment, the ground is often uneven, and the sampling device is placed It is easy to tilt when drilling, causing the sampling rod to tilt when drilling into the rock and soil, and the verticality will deviate, which will cause the connection between the piston rod and the sampling rod to break, which is not conducive to the vertical sampling. In addition, rotating the hydraulic cylinder during operation will produce violent Vibration, resulting in instability of the sampling device, lack of protection measures for the rotating hydraulic cylinder, long-term vibration will cause damage to the rotating hydraulic cylinder.

Therefore, it is necessary to improve the existing geotechnical sampling device, so that the sampling device can be stably placed on the uneven ground, and the sampling rod can be kept perpendicular to the ground, which is convenient for vertical sampling.

Utility model content

Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a novel geotechnical sampling device to solve the technical problems mentioned in the background art.

In order to solve the above problems, the present invention adopts the following technical solutions.

A new type of geotechnical sampling device, comprising a workbench, a rotary hydraulic cylinder, a sampling rod and a non-slip drill bit, a shock absorber is fixedly installed at the center position of the upper end face (or top) of the workbench, and a shock absorber is fixedly installed above the shock absorber There is a rotary hydraulic cylinder, a horizontal ball is fixedly installed on one side of the top of the worktable, a piston rod is connected to the bottom of the rotary hydraulic cylinder, the lower end of the piston rod is connected with the upper end of the sampling rod, and the lower end of the sampling rod is connected with a Anti-skid drill bit, the anti-skid drill bit is provided with a spiral guide groove, the diameter of the anti-skid drill bit is larger than the diameter of the sampling rod, the bottom of the worktable is fixedly connected with four symmetrical support columns, and the bottom of the support columns is connected with adjustment feet , the adjusting foot includes a bearing seat and a connecting rod, the lower end of the connecting rod is fixedly embedded in the bearing seat, the upper end of the connecting rod is provided with an external thread, and the bottom of the supporting column is provided with a coaxial adjustment hole, so The upper end of the connecting rod coaxially extends into the adjustment hole and is connected with the external thread.

In any of the above solutions, preferably, the sampling rod is connected to the piston rod at the bottom of the hydraulic cylinder through a coupling.

In any of the above solutions, preferably, a circular through hole is formed in the middle of the worktable, and the piston rod and the sampling rod pass through the shock absorber and are located inside the circular through hole.

In any of the above solutions, preferably, a set of sampling grooves are provided on the sampling rod.

In any of the above solutions, preferably, a scale line is provided on the outer side of the upper part of the sampling rod.

In any of the above solutions, preferably, the anti-skid drill bit is tapered.

In any of the above solutions, preferably, the anti-skid drill bit and the sampling rod are connected by a reducing joint.

In any of the above solutions, preferably, the bottom of the load-bearing base is provided with fixed oblique thorns.

Compared with the prior art, the advantages of the present utility model are:

1. By setting up support columns and adjusting feet, the adjusting feet include a bearing seat and a connecting rod. Using the weight of the four bearing seats, the fixed oblique thorns at the bottom of the bearing seat are inserted straight into the ground, which can keep the worktable stable and make the whole system stable. The device remains stable. When the device needs to be positioned on an uneven ground, by observing the horizontal bead on the top of the worktable and rotating the adjusting feet to adjust the distance from the ground of different support columns, the worktable can be ensured to be parallel to the horizontal plane, thereby ensuring that the worktable is parallel to the horizontal plane. The sampling rod can be kept perpendicular to the ground, so that the sampling rod can be prevented from tilting when drilling into the rock and soil, and the vertical sampling can be facilitated.

2. The shock absorber can play a buffering role, and then play a good shock absorption effect on the rotating hydraulic cylinder, avoid the damage of the rotating hydraulic cylinder caused by long-term vibration, keep the sampling device stable, and can sample the sampling effortlessly. The rod is pulled out of the borehole, which saves the physical strength of the staff. Through the scale line on the outside of the sampling rod, the depth of the sampled rock layer can be precisely controlled, which is convenient for the collection of geotechnical samples.

3. The drill bit uses a non-slip bit to prevent the bit from deviating from the vertical track, and the drill bit is provided with a spiral guide groove, which can make chip removal smoother through the guiding effect of the spiral guide groove and avoid the bit stuck. , The piston rod of the hydraulic cylinder and the sampling rod are connected by a coupling, and the anti-skid drill bit and the sampling rod are connected by a reducing joint, which is convenient for disassembly and reliable in connection.

Description of drawings

1 is a schematic diagram of the overall structure of a preferred embodiment of the geotechnical sampling device of the present invention;

FIG. 2 is a partial enlarged schematic view of a preferred embodiment of the geotechnical sampling device of the present invention.

Description of the labels in the figure:

1. Workbench, 2. Rotary hydraulic cylinder, 3. Sampling rod, 4. Anti-skid drill bit, 5. Shock absorber, 6. Horizontal ball, 7. Piston rod, 8. Spiral guide groove, 9. Support column, 9a, Adjusting hole, 10, Adjusting foot, 10a, Bearing seat, 10b, Connecting rod, 10c, External thread, 10d, Fixed oblique thorn, 11, Coupling, 12, Round through hole, 13, Scale line, 14, Variable diameter connector.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Example 1:

Please refer to FIG. 1 , a new type of geotechnical sampling device, including a workbench 1 , a rotary hydraulic cylinder 2 , a sampling rod 3 and an anti-skid drill bit 4 .

In this embodiment, a shock absorber 5 is fixedly installed at the center of the upper end surface of the worktable 1 , a rotary hydraulic cylinder 2 is fixedly installed above the shock absorber 5 , and a circular through hole is opened in the middle of the worktable 1 . Hole 12, the bottom of the rotary hydraulic cylinder 2 is connected with a piston rod 7, the piston rod 7 and the sampling rod 3 are located inside the circular through hole 12 through the shock absorber 5, and the shock absorber 5 can play a buffering role, In turn, it has a good shock absorption effect on the rotary hydraulic cylinder 2, keeps the sampling device stable, avoids damage to the rotary hydraulic cylinder 2 caused by long-term vibration, and can easily pull the sampling rod 3 out of the hole, saving work physical strength of personnel.

In this embodiment, a horizontal bead 6 is installed on one side of the top of the worktable 1 to keep the worktable 1 in a parallel state with the ground during sampling, so that the sampling rod 3 can be kept perpendicular to the ground, avoiding sampling The rod 3 is inclined when drilling into the rock and soil, which facilitates vertical sampling.

In this embodiment, the rotary hydraulic cylinder 2 has a large stroke, which is convenient for deep soil sampling, and can directly drive the piston rod 7 so that the sampling rod 3 extends into the ground for sampling, and does not need to use deep excavation to prepare and destroy the surface. Small, easy to sample, time-saving and labor-saving, the lower end of the piston rod 7 is connected to the upper end of the sampling rod 3 through the coupling 11, and the sampling rod 3 is provided with a sampling groove (not shown in the figure). A scale line 13 is provided on the outer side of the upper part of the 3. When drilling, the scale line 13 is used to measure the depth of the borehole, accurately control the depth of the sampled rock formation, and collect geotechnical samples as required.

In this embodiment, the sampling rod 3 and the anti-skid drill bit 4 are connected by a reducing joint 14, which is convenient for installation and disassembly, and the connection is reliable. There is a spiral guide groove 8, the diameter of the anti-skid drill bit 4 is larger than the diameter of the sampling rod 3, and the guiding effect of the spiral guide groove 8 can make chip removal smoother, facilitate the rapid drilling of holes, and avoid the phenomenon that the drill bit is stuck , so that the sampling rod 3 can take samples smoothly.

In this embodiment, four symmetrical support columns 9 are fixedly connected to the bottom of the workbench 1 to improve the support performance. The bottom of the support columns 9 is connected with an adjustment support 10 , and the adjustment support 10 includes a bearing seat 10a and The connecting rod 10b, the bottom of the bearing base 10a is provided with fixed oblique thorns 10d, using the weight of the four bearing pedestals 10a themselves, the fixed oblique thorns 10d at the bottom of the bearing pedestal 10a are directly inserted into the ground to play a supporting role, which can make the workbench 1 Keep it steady.

Example 2:

Referring to FIG. 2 , on the basis of Embodiment 1, the adjusting foot 10 includes a bearing seat 10a and a connecting rod 10b, the lower end of the connecting rod 10b is fixedly embedded in the bearing seat 10a, and the upper end of the connecting rod 10b is provided with External thread 10c, the bottom of the support column 9 is provided with a coaxial adjustment hole 9a, the upper end of the connecting rod 10b coaxially extends into the adjustment hole 9a and is connected with the external thread 10c, the sampling device needs to be positioned on an uneven surface. When on the ground, by observing the horizontal ball 6 on the top of the workbench and rotating the adjusting support 10 at the same time, the bearing base 10a and the connecting rod 10b are fixedly connected and can move synchronously. The distance from the ground of the support column 9 can be adjusted, when the distance from the ground of the different support columns 9 is adjusted, the workbench 1 can be guaranteed to be parallel to the horizontal plane, so that the sampling rod 3 can be kept perpendicular to the ground, avoiding the sampling rod 3 The inclination occurs when drilling into the rock and soil, which is conducive to the vertical sampling.

The working principle of the utility model is as follows: when using the new geotechnical engineering sampling device, the staff moves the geotechnical sampling device to the designated sampling area, assembles the device, and inserts the support column 9 into the ground to remove the overall geotechnical sampling device. After the sampling device is installed, the worktable 1 can be kept stable by using the weight of the load-bearing base 10a, thereby making the whole device stable. The upper end of the sampling rod 3 is connected with the piston rod 7 of the rotary hydraulic cylinder 2 through the coupling 11. Connect the lower end of the sampler 3 to the anti-skid drill bit 4 through the reducing joint 14, and lock both ends of the sampling rod 3. By observing the horizontal beads 6, rotating the adjusting feet 10 at the same time, adjusting the distance from the ground of the different support columns 9 can be guaranteed. The workbench 1 is parallel to the horizontal plane, so that the sampling rod 3 can maintain a state perpendicular to the ground, avoiding the sampling rod 3 from tilting when drilling into the rock and soil, which is conducive to the vertical sampling, and the shock absorber 5 can play a buffering role, In turn, the rotary hydraulic cylinder 2 has a good shock absorption effect, keeps the sampling device stable, and can easily pull the sampling rod 3 out of the drilling hole, saving the physical strength of the staff, and opening the rotary hydraulic cylinder 2 drives the piston rod. 7. The rotating force further drives the sampling rod 3 and the anti-skid drill bit 4 to enter the deep soil layer vertically for sampling. Using the guiding action of the spiral guide groove 8 on the anti-skid drill bit 4, the chip removal can be made smoother and the drilling can be carried out quickly. By observing the scale line 13, when the required depth is reached, the soil or the mixture with moisture enters the sampling tank for sampling.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a novel ground sampling device, includes workstation (1), rotatory hydraulic cylinder (2), thief rod (3) and anti-skidding drill bit (4), its characterized in that: the center position of workstation (1) up end puts and is equipped with bumper shock absorber (5), bumper shock absorber (5) top fixed mounting has rotatory hydraulic cylinder (2), workstation (1) top one side is equipped with horizontal pearl (6), rotatory hydraulic cylinder (2) bottom is equipped with piston rod (7), the piston rod (7) lower extreme is connected with sample rod (3), the lower extreme of sample rod (3) is equipped with anti-skidding drill bit (4), be equipped with spiral guide way (8) on anti-skidding drill bit (4), workstation (1) bottom fixed mounting has support column (9), the bottom of support column (9) is equipped with adjusts stabilizer blade (10), adjust stabilizer blade (10) and include bearing seat (10a) and connecting rod (10b), bearing seat (10a) are installed to the lower extreme of connecting rod (10b), the upper end of connecting rod (10b) is equipped with external screw thread (10c), the bottom of support column (9) is equipped with coaxial regulation hole (9a), the upper end of connecting rod (10b) is coaxial to stretch into regulation hole (9a) and be connected with external screw thread (10 c).

2. The novel rock-soil sampling device of claim 1, characterized in that: the sampling rod (3) is connected with a piston rod (7) at the bottom of the rotary hydraulic cylinder through a coupler (11).

3. The novel rock-soil sampling device of claim 2, characterized in that: the coupler (11) is a reducing coupler, and two ends of the coupler are respectively combined with the outer diameters of the piston rod (7) and the sampling rod (3).

4. The novel rock-soil sampling device of claim 1, characterized in that: circular through-hole (12) have been seted up to the workstation middle part, piston rod (7) and sample rod (3) run through bumper shock absorber (5), and are located the inboard of circular through-hole (12).

5. The novel rock-soil sampling device of claim 1, characterized in that: and a group of sampling grooves are formed in the sampling rod (3).

6. The novel rock-soil sampling device of claim 1, characterized in that: and scale marks (13) are arranged on the outer side of the upper part of the sampling rod (3).

7. The novel rock-soil sampling device of claim 1, characterized in that: the anti-skid drill bit (4) is conical.

8. The novel rock-soil sampling device of claim 1, characterized in that: the antiskid drill bit (4) is connected with the sampling rod (3) through a reducing joint (14).

9. The novel rock-soil sampling device of claim 1, characterized in that: the bottom of the bearing seat (10a) is provided with a fixed oblique thorn (10 d).

Images