CN217111576U - Portable sampling device for geotechnical engineering detection - Google Patents

Abstract

Geotechnical engineering detects portable sampling device includes: the supporting mechanism comprises a support, a first supporting leg and a second supporting leg, the first supporting leg and the second supporting leg are fixedly connected to the bottom of the support, the first supporting leg is rotatably connected with a wheel, and the height of the wheel can be adjusted; the sampling mechanism comprises a sampling barrel and a drill rod, the sampling barrel is in threaded connection with the support, and the drill rod is in threaded connection with the sampling barrel. The height of the wheels can be adjusted in the device, and the exposed foot nails in the device can penetrate into a rock-soil layer after the wheels are adjusted to be high, so that the stability of the whole device in the sampling process is ensured; utilize the wheel to remove this device after reducing the wheel, then can practice thrift physical power, the drill bit can rise with the drill stem and reduce, and the drill bit after the rising contacts and seals the sample chamber with the sampling cylinder bottom, and the in-process that the confined sample chamber was getting out sampling device in reaching the sample depth or from the bottom can avoid the mixing of different degree of depth soil layers.

Description

Geotechnical Inspection Portable Sampling Device

technical field

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

Background technique

Geotechnical refers to any kind of rock and soil that make up the earth's crust from the perspective of engineering. The five categories of special composition, structure, state and property, geotechnical sampling monitoring and analysis is an essential step before construction of various projects.

During the process of reaching the sampling depth and taking out the sampling device from the stratum, the currently used rock survey sampling equipment will have some soil and rock entering the sampling cavity, resulting in the inclusion of some samples of soil layers of different depths in the sampling cavity, and the sampling accuracy is low. The practicability is poor, and the sampling devices are all made of metal. Pulling and moving the sampling device for a long time will cause physical fatigue.

Utility model content

In order to overcome the above shortcomings, the utility model aims to provide a portable sampling device for geotechnical engineering detection, which can seal the sampling cavity during the process of reaching the sampling depth and taking out the sampling device from the bottom layer, avoiding the mixing of soil layers of different depths, and can pass the wheel. Drag the sampling device to save energy.

The portable sampling device for geotechnical engineering detection includes: a support mechanism, the support mechanism includes a bracket, a first support leg and a second support leg, the first support leg and the second support leg are fixed on the bottom of the support, so The first leg is rotatably connected with a wheel, and the wheel can be adjusted in height; a sampling mechanism, the sampling mechanism includes a sampling cylinder and a drill pipe, the sampling cylinder is screwed to the bracket, and the drill pipe is screwed to the the sampling cartridge.

Further, the top of the bracket is provided with a second through hole, the inner wall of the second through hole is provided with threads, and the sampling cylinder is screwed to the second through hole.

Further, foot nails are fixed to the bottom of the first leg and the second leg, the length of the first leg and the second leg are the same, and the side of the bottom of the first leg is provided with a first groove .

Further, the first leg is externally connected with a fixing frame, the fixing frame slides relative to the first leg, the side of the fixing frame is provided with a third through hole, and the inner wall of the third through hole is provided with a thread , the third through hole is screwed with a fixing bolt, and one end of the fixing bolt is embedded in the first groove.

Further, a rotating shaft is fixedly connected to the side of the fixed frame, and a wheel is rotatably connected to the rotating shaft.

Further, the outer wall of the sampling cylinder is provided with threads, the outer wall of the sampling cylinder is provided with a vertical scale, and the top of the side surface of the sampling cylinder is provided with a first handle.

Further, the top of the sampling cylinder is provided with a first through hole, and the inner wall of the first through hole is provided with threads.

Further, the top of the drill pipe is fixed with a second handle, the outer wall of the upper part of the drill pipe is provided with threads, and the drill pipe is screwed to the first through hole.

Further, a first helical blade is fixedly connected to the outer wall of the lower part of the drill pipe, and the first helical blade is embedded in the inside of the sampling cylinder.

Further, a drill bit is fixed at the bottom of the drill pipe, the drill bit is in the shape of a cone, and the outer wall of the drill bit is provided with a second helical blade, and the second helical blade rotates in the same direction as the first helical blade, so The diameter of the bottom surface of the drill bit corresponds to the outer diameter of the sampling cylinder.

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

①The wheel in this device can be adjusted in height. After the wheel is raised, the exposed foot nails in the device can go deeper into the rock and soil layer to ensure the stability of the whole device during the sampling process; after the wheel is lowered, the wheel is used to move the device. Can save energy.

②The drill bit in this device can be lowered along with the rise of the drill pipe. The raised drill bit contacts the bottom of the sampling cylinder and closes the sampling cavity. The closed sampling cavity can avoid differences in the process of reaching the sampling depth or taking out the sampling device from the bottom layer. Mixing of deep soil layers.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Figure 1 is a schematic diagram of the overall structure of a portable sampling device for geotechnical engineering detection.

FIG. 2 is an enlarged view of part A in FIG. 1 .

FIG. 3 is a cross-sectional view of FIG. 2 .

FIG. 4 is a cross-sectional view of a portable sampling device for geotechnical inspection.

In the figure: 1-support mechanism, 11-support, 12-first leg, 121-first groove, 122-fixed frame, 1221-fixed bolt, 123-rotating shaft, 124-wheel, 13-second leg , 14-foot nail, 2-sampling mechanism, 21-sampling cylinder, 211-scale, 212-first handle, 22-drill rod, 221-second handle, 222-first spiral blade, 223-drill bit, 2231 -Second helical blade.

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. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Specific examples:

As shown in Figures 1, 3 and 4, the portable sampling device for geotechnical engineering inspection includes: a support mechanism 1 and a sampling mechanism 2, the support mechanism 1 includes a bracket 11, a first leg 12 and a second leg 13, the bracket 11 It is a circular plate made of steel plates. The middle of the bracket 11 is provided with a second through hole, and the second through hole is provided with a thread. The bottom edge of the bracket 11 is welded and fixed with the first leg 12 and the second leg 13. The legs 12 and the second legs 13 are both made of steel rods, the first legs 12 and the second legs 13 have the same size, and the bottom ends of the first legs 12 and the second legs 13 are welded and fixed with the same foot nails 14. The foot nail 14 is a cone polished by a steel rod. The bottom side of the first leg 12 is provided with a first groove 121, and the first leg 12 is sleeved with a fixed frame 122, which is bent by a steel plate. A cylindrical tubular structure formed by folding and welding, the inner diameter of the fixing frame 122 corresponds to the outer diameter of the first leg 12, the side of the fixing frame 122 is provided with a third through hole, the inner wall of the third through hole is provided with threads, and the third through hole A fixing bolt 1221 is screwed, the outer diameter of the fixing bolt 1221 is corresponding to the inner diameter of the first groove 121, the fixing bolt 1221 can be embedded in the first groove 121, and a rotating shaft 123 is welded and fixed perpendicular to the side of the fixing frame 122, and the rotating shaft 123 is connected in rotation There are wheels 124, two of the first legs 12 are provided with the same structure, the two first legs 12 and the second legs 13 are welded at equal distances to the edge of the bottom surface of the bracket 11, and the other first leg 12 is the same Wheels 124 are provided. When the fixing bolts 1221 are inserted into the first grooves 121, the two wheels 124 are fixed, and the two wheels are in a parallel state. In this device, the height of the wheels 124 can be adjusted. The exposed foot nails 14 in the device go deeper into the rock and soil layer to ensure the stability of the overall device during the sampling process; after lowering the wheels 124 and using the wheels 124 to move the device, physical strength can be saved.

As shown in FIG. 2 , the sampling mechanism 2 includes a sampling cylinder 21 and a drill pipe 22. The outer wall of the sampling cylinder 21 is provided with a vertical scale 211, and the scale of the scale 211 is marked as “0” scale from the lowest end, from bottom to top Sequentially increasing, the sampling cylinder 21 is cut from a steel pipe, the outer wall of the side surface of the sampling cylinder 21 is provided with threads, the position of the scale 211 is not provided with threads, the outer diameter of the sampling cylinder 21 corresponds to the inner diameter of the second through hole, and the sampling cylinder 21 is screwed In the second through hole, a first handle 212 is welded and fixed on the top of the side surface of the sampling cylinder 21. The first handle 212 is made of steel pipe. The sampling cylinder 21 is provided with a sampling cavity. A first handle 212 is arranged horizontally, a cover plate is welded and fixed on the top surface of the sampling cylinder 21, the cover plate is a circular plate made of steel plates, a first through hole is opened in the middle of the cover plate, and the inner wall of the first through hole of the cover plate is provided with Thread, drill rod 22 penetrates into the first through hole, drill rod 22 is a cylinder made of steel rods, the top of drill rod 22 is welded and fixed with a second handle 221, and the second handle 221 has the same structure as the first handle 212 , the second handle 221 is provided with two, the two second handles 221 are horizontally and symmetrically welded to the top of the drill pipe 22, the lower end of the second handle 221 is provided with a 10cm outer wall thread, and the second handle 221 is provided with an outer wall thread. The first through hole, the outer wall of the drill rod 22 is welded with a first helical blade 222, the first helical blade 222 is welded from the bottom of the outer wall thread to the bottom end of the drill rod 22, and the diameter of the first helical blade 222 is smaller than that of the sampling cylinder 21. The inner diameter, the height of the first helical blade 222 is smaller than the height of the interior of the sampling cylinder 21, the bottom end of the drill rod 22 is welded and fixed with a drill bit 223, the drill bit 223 is a cone made of metal material, and a second screw is welded and fixed on the drill bit 223. The rotation direction of the blade 2231 and the second helical blade 2231 is the same as the rotation direction of the first helical blade 222. The width of the first helical blade 222 is greater than the width of the second helical blade 2231. The height is lowered, and the raised drill bit 223 contacts the bottom of the sampling cylinder 21 and closes the sampling cavity. The closed sampling cavity can avoid mixing of soil layers of different depths during the process of reaching the sampling depth or taking out the sampling device from the bottom layer.

When using the sampling device, first loosen the fixing bolt 1221, slide the wheel 124 upward, insert the foot pegs 14 of the first leg 12 and the second leg 13 to the bottom surface, stabilize the whole device, and rotate the second handle 221 upward to make The drill bit 223 seals the opening at the bottom of the sampling cylinder 21, rotates the first handle 212, rotates the sampling cylinder 21 downward, reads the scale on the scale 211, stops rotating the sampling cylinder 21 when the corresponding scale is reached, and rotates the second handle 221 at this time, Keep the sampling cylinder 21 still, and rotate the drill rod 22 downward. When the second handle 221 is against the sampling cylinder 21, continue to rotate the second handle 221. There is a gap between the drill bit 223 and the sampling cylinder 21. At this time, the second handle 221 drives the sampling cylinder 21 to move downward. At this time, the geotechnical sample enters between the first helical blades 222. When the scale value of the sampling cylinder 21 travels down to the required sampling depth, the second handle 221 is rotated upward to seal the drill bit 223. The bottom of the sampling cylinder 21 is opened, the first handle 212 is rotated upwards, and the sampling cylinder 21 is turned out so that the drill bit 223 is 10 cm above the ground. There is a gap at the bottom end of the sampling cylinder 21, and the samples in the sampling cylinder 21 are collected and stored. After the sampling is completed, the two wheels 124 are moved downward, the fixing bolts 1221 are aligned with the first grooves 121, and the fixing bolts 1221 are tightened. After the wheels 124 are fixed, they are in a parallel state. Using the wheels 124 to drag the whole device can save physical strength.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. Geotechnical engineering detects portable sampling device, its characterized in that includes:

the supporting mechanism (1) comprises a support (11), a first supporting leg (12) and a second supporting leg (13), wherein the first supporting leg (12) and the second supporting leg (13) are fixedly connected to the bottom of the support (11), the first supporting leg (12) is rotatably connected with a wheel (124), and the height of the wheel (124) can be adjusted;

sampling mechanism (2), sampling mechanism (2) include sampler barrel (21) and drilling rod (22), sampler barrel (21) spiro union in support (11), drilling rod (22) spiro union in sampler barrel (21).

2. The portable geotechnical engineering detection sampling device according to claim 1, wherein: support (11) top is equipped with the second through-hole, second through-hole inner wall is equipped with the screw thread, sampler barrel (21) spiro union in the second through-hole.

3. The geotechnical engineering detection portable sampling device according to claim 1, wherein: the foot nails (14) are fixedly connected to the bottoms of the first supporting leg (12) and the second supporting leg (13), the lengths of the first supporting leg (12) and the second supporting leg (13) are the same, and a first groove (121) is formed in the side face of the bottom of the first supporting leg (12).

4. The portable geotechnical engineering detection sampling device according to claim 3, wherein: first landing leg (12) outer cup joint have fixed frame (122), fixed frame (122) is relative first landing leg (12) slide, fixed frame (122) side is equipped with the third through-hole, third through-hole inner wall is equipped with the screw thread, third through-hole spiro union has fixing bolt (1221), fixing bolt (1221) one end embedding first recess (121).

5. The portable geotechnical engineering detection sampling device according to claim 4, wherein: the side of the fixed frame (122) is fixedly connected with a rotating shaft (123), and the rotating shaft (123) is rotatably connected with a wheel (124).

6. The portable geotechnical engineering detection sampling device according to claim 1, wherein: the sampler barrel (21) outer wall is equipped with the screw thread, sampler barrel (21) outer wall is equipped with vertical scale (211), sampler barrel (21) side top is equipped with first handle (212).

7. The portable geotechnical engineering detection sampling device according to claim 6, wherein: the top of the sampling tube (21) is provided with a first through hole, and the inner wall of the first through hole is provided with threads.

8. The portable geotechnical engineering detection sampling device according to claim 7, wherein: the top of the drill rod (22) is fixedly connected with a second handle (221), the outer wall of the upper portion of the drill rod (22) is provided with threads, and the drill rod (22) is in threaded connection with the first through hole.

9. The portable geotechnical engineering detection sampling device according to claim 8, wherein: the outer wall of the lower part of the drill rod (22) is fixedly connected with a first helical blade (222), and the first helical blade (222) is embedded into the sampling tube (21).

10. The portable geotechnical engineering detection sampling device according to claim 9, wherein: drilling rod (22) bottom rigid coupling has drill bit (223), drill bit (223) are established to the toper, drill bit (223) outer wall is equipped with second helical blade (2231), second helical blade (2231) with first helical blade (222) direction of rotation is the same, drill bit (223) bottom surface diameter with sampler barrel (21) external diameter is corresponding.

Images