CN219348251U - Drilling sampling device for building geological investigation - Google Patents

Abstract

The utility model discloses a drilling sampling device for geological survey of a building, and mainly relates to the field of geological survey sampling. Including the shell body, the inside of shell body has the motor along vertical sliding connection, be equipped with the auger stem on the output shaft of motor, the outside of shell body rotates and is connected with a plurality of telescopic support rods, the inside of auger stem is equipped with the cavity, along horizontal sliding connection there being the support in the cavity, be equipped with a plurality of sample poles on the support, the top of sample pole is equipped with the sampling groove, be equipped with a plurality of through-holes that run through on the lateral wall of auger stem, sample pole sliding connection is in the through-hole, be equipped with the drive block of drive support lateral shifting in the cavity. The utility model has the beneficial effects that: the drilling machine can accurately sample the soil with different depths without taking out the drill rod after drilling, so that the mixing of the soil with different depths is avoided, and the accuracy of geological survey data is ensured.

Description

Drilling sampling device for building geological investigation

Technical Field

The utility model relates to the field of building exploration, in particular to a drilling sampling device for building geological exploration.

Background

During building design, building investigation is needed to be carried out on a building site so as to judge the geological conditions of the site, so that guiding advice is provided for subsequent building construction, the existing building investigation mode generally utilizes drilling rods to drill the site, the drilling rods are taken out after the drilling rods are drilled, sampling is carried out by utilizing a sampling device, but the drilling rods are taken out from the drilling holes, in-process of taking out the drilling rods, soil in the drilling holes is easy to collapse, so that soil with different depths in the drilling holes is mixed, the position of the soil sample in the underground can not be accurately judged, accurate guiding advice can not be provided for subsequent concrete building construction, and therefore, how to accurately sample the soil with different depths is a problem to be solved in building geological investigation.

Disclosure of Invention

The utility model aims to provide a drilling sampling device for geological survey of a building, which can accurately sample soil with different depths without taking out a drill rod after drilling, so that mixing of the soil with different depths is avoided, and accuracy of geological survey data is ensured.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a drilling sampling device for building geology reconnaissance, includes the shell body, the inside of shell body has the motor along vertical sliding connection, be equipped with the auger stem on the output shaft of motor, the outside of shell body rotates and is connected with a plurality of telescopic strut, the inside of auger stem is equipped with the cavity, along horizontal sliding connection there being the support in the cavity, be equipped with a plurality of sampling bars along vertical on the support, the top of sampling bar is equipped with the sampling groove, be equipped with a plurality of through-holes that run through on the lateral wall of auger stem, sampling bar sliding connection is in the through-hole, be equipped with the drive block of drive support lateral shifting in the cavity.

Further, the end part of the sampling rod, which is positioned outside the cavity, is a sharp corner, and the width of the sampling groove is not larger than that of the through hole.

Further, the driving block is an electromagnet, the electromagnet is attracted with the support, and a plurality of reset springs are arranged between the support and the side wall of the cavity.

Further, the bottom of shell body is equipped with the chassis, all be equipped with the spout on shell body and the chassis, be equipped with the slider on the lateral wall of motor, slider sliding connection is in the spout.

Further, a plurality of connecting rods are rotatably connected to the underframe, and the end parts of the connecting rods are movably inserted into the telescopic supporting rods.

Further, an anchor plate is arranged at the bottom of the telescopic support rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the device, the motor is arranged on the outer shell in a vertically sliding manner, the spiral drill rod is driven by the motor to rotate, so that geological drilling operation of a construction site is realized, the plurality of telescopic struts are rotatably arranged on the outer side of the outer shell, inclination of the spiral drill rod during drilling is avoided, the stability of a drilling sampling structure is improved, and the accuracy of follow-up sampling data is ensured;

2. the inside at the auger stem sets up the cavity, set up the support along the lateral sliding in the cavity, after drilling finishes, utilize drive block drive support lateral sliding, make a plurality of sampling rods that set up on the support pass the outside that stretches out to the auger stem after the through-hole, make the soil drop the sampling groove at sampling rod top automatically on the inner wall of drilling is inserted to the sampling rod, the drive block drive support resets after the sample finishes, make the sampling rod retract into the cavity, this in-process through-hole is sealed by the sampling rod all the time, effectively avoid drilling in-process soil to get into the sampling groove of sampling rod, make the soil sample of sample be the soil of appointed degree of depth promptly, the condition that does not have different degree of depth soil to mix, the accuracy of soil sampling result has been guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a right side view of the present utility model.

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

Fig. 4 is a cross-sectional view in the direction B-B of fig. 3 of the present utility model.

Fig. 5 is an enlarged view of a portion of the utility model at the C-site in fig. 3.

The reference numbers shown in the drawings:

1. an outer housing; 2. a motor; 3. a auger stem; 4. a telescopic strut; 5. a cavity; 6. a bracket; 7. a sampling rod; 8. a sampling groove; 9. a through hole; 10. a driving block; 11. a return spring; 12. a chassis; 13. a chute; 14. a slide block; 15. a connecting rod; 16. an anchor plate.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The utility model relates to a drilling sampling device for geological survey of a building, which comprises a main body structure, wherein the main body structure comprises an outer shell 1, the outer shell 1 plays a supporting and protecting effect, a motor 2 is vertically and slidably connected in the outer shell 1, the motor 2 is a motor commonly used in the geological survey, the motor is vertically and slidably connected by a sling, the other end of the sling is wound on a winder, the motor 2 descends when the winder is wound off, an output shaft of the motor 2 is connected with a spiral drill rod 3 through an existing arbitrary coupling, the spiral drill rod 3 is in an existing spiral drill rod with an arbitrary structure in the market, the spiral drill rod 3 is provided with a spiral plate on the outer side of a rod body, the spiral drill rod is used for realizing automatic downward drilling operation, a plurality of telescopic struts 4 are rotatably connected on the outer side of the outer shell 1 through a pin shaft or a hinge, a plurality of rod bodies are particularly provided with limit posts in a structure which a plurality of rod bodies are slidably sleeved, the rod bodies are slidably and fixedly connected when the rod bodies are stored, the rod bodies are slidably and lengthened when the rod bodies are convenient to be stored, the rod bodies are in contact with the ground, so that a sufficient supporting effect is realized, the effective supporting is provided for the outer shell 1, the stability of the structure is ensured, the inclination of the spiral drill rod 3 is guaranteed, and the accuracy of sampling data is guaranteed; the inside of the spiral drilling rod 3 is provided with a cavity 5, the cross section area of the cavity 5 is smaller than the cross section area of the spiral drilling rod 3, the influence on the structural strength of the spiral drilling rod is avoided, a bracket 6 is connected in the cavity 5 in a sliding manner along the transverse direction, a plurality of sampling rods 7 are vertically arranged on the bracket 6, the end parts of the sampling rods 7 outside the cavity 5 are obliquely arranged, the obstruction to the spiral drilling rod 3 in drilling is reduced, meanwhile, the sampling rods 7 are conveniently inserted into the side walls of the drilling holes, the top of the sampling rods 7 are provided with sampling grooves 8, the side walls of the spiral drilling rod 3 are provided with a plurality of through holes 9, the through holes 9 penetrate from the side walls of the cavity 5 to the outer walls of the spiral drilling rod 3, the sampling rods 7 are connected in the through holes 9 in a sliding manner, the sampling rods 7 plug the through holes 9 when the drilling holes, and prevent multiple layers of soil from entering different sampling grooves 8, after the drilling is finished, the spiral drilling rod 3 does not need to be taken out, a driving block 10 for driving the bracket 6 to transversely move is arranged in the cavity 5, any existing electric cylinder or sliding driving structure can be utilized, the driving block 10 is utilized for driving the bracket 6 to transversely move, a plurality of sampling rods 7 slide along the through holes 9 to extend out of the spiral drilling rod 3 until the inner walls of the drilling holes are inserted, at the moment, soil in the inner walls of the drilling holes falls into the sampling grooves 8 at the tops of the sampling rods 7, the mixing of soil with different depths does not occur in the sampling process, the driving block 10 is utilized for driving the bracket 6 to reset and drive the plurality of sampling rods 7 to shrink into the spiral drilling rod 3 and seal the through holes 9 after the sampling is finished, the soil does not mix when the spiral drilling rod 3 is reset upwards, thereby ensuring the accuracy of the soil in the sampling grooves 8 in the whole sampling process, providing more accurate guiding advice for subsequent building construction.

Preferably, the tip that sampling rod 7 is located outside cavity 5 is the closed angle type, and specific is the structure of upper width and lower narrow for resistance when auger stem 3 down drills is less, the width of sampling groove 8 is not greater than the width of through-hole 9, and such setting makes sampling groove 8 in shrink to auger stem 3's inside in-process, and sampling groove 8 is closed by the top lateral wall of through-hole 9, can not communicate with cavity 5, avoids the soil in the sampling groove 8 to fall to the degree of difficulty of cavity 5 internal increase clearance, has guaranteed the smoothness nature of the flexible sample of sampling rod 7.

Preferably, the driving block 10 is an electromagnet, the electromagnet is attracted to the support 6, a plurality of reset springs 11 are arranged between the support 6 and the side wall of the cavity 5, the support 6 is attracted to slide when the electromagnet is electrified, so that a plurality of sampling rods 7 on the support 6 retract towards the inside of the spiral drill rod 3, the reset springs 11 are compressed, the electromagnet is powered off to lose magnetism when sampling, the support 6 automatically slides outwards to reset under the action of the reset springs 11, the automatic sampling is realized, the structure is simpler, the operation steps are simplified, and the sampling efficiency is improved.

Preferably, the bottom welding of shell body 1 or integrated into one piece are fixed with chassis 12, all be equipped with spout 13 on shell body 1 and the chassis 12, specific usable channel-section steel welding preparation, welding or bolt fastening have slider 14 on the lateral wall of motor 2, slider 14 sliding connection is in spout 13, and such structure makes motor 2 slide up and down's whole in-process its position all restricted by slider 14 and spout 13, has guaranteed sliding structure's steadiness, has improved auger stem 3 drilling sampling data's accuracy.

Preferably, the chassis 12 is rotatably connected with a plurality of connecting rods 15 through pin shafts or hinges, the end parts of the connecting rods 15 are movably inserted into the telescopic support rods 4, the connecting rods 15 can be rotated after the telescopic support rods 4 are opened by the aid of the structure, the telescopic support rods 4 are inserted into the structure, support connection of the telescopic support rods 4 is achieved, rotation of the telescopic support rods 4 in the support process is avoided, and stability of the support structure is further improved.

Preferably, the bottom of telescopic prop 4 is equipped with anchor slab 16, utilizes a plurality of bolts anchor on anchor slab 16 subaerial for telescopic prop 4's structure is more firm, guarantees the holistic fastness of probing sampling structure.

Working principle: according to the device, the motor 2 is arranged on the outer shell 1 in a vertically sliding manner, the spiral drill rod 3 is driven to rotate by the motor 2, so that geological drilling operation of a construction site is realized, the plurality of telescopic struts 4 are rotatably arranged on the outer side of the outer shell 1, inclination of the spiral drill rod 3 during drilling is avoided, stability of a drilling sampling structure is improved, and accuracy of follow-up sampling data is guaranteed; the inside at auger stem 3 sets up cavity 5, set up support 6 along the lateral sliding in cavity 5, after drilling finishes, utilize drive block 10 drive support 6 lateral sliding, make a plurality of sample bars 7 that set up on the support 6 stretch out to the outside of auger stem 3 after passing through hole 9, make the soil automatic sample groove 8 at sample bar 7 top that drops on the inner wall of drilling is inserted to sample bar 7, drive block 10 drive support 6 resets after the sample finishes, make sample bar 7 retract into cavity 5, this in-process through hole 9 is sealed by sample bar 7 all the time, effectively avoid drilling in-process soil to get into sample groove 8 of sample bar 7, make the soil sample of taking a sample be the soil of appointed degree of depth promptly, there is not the condition that different degree of depth soil mix, the accuracy of soil sampling result has been guaranteed.

Claims (6)

1. The utility model provides a drilling sampling device for building geology reconnaissance, includes shell body (1), the inside of shell body (1) is followed vertical sliding connection and is had motor (2), be equipped with auger stem (3), its characterized in that on the output shaft of motor (2): the outside rotation of shell body (1) is connected with a plurality of telescopic strut (4), the inside of auger stem (3) is equipped with cavity (5), along horizontal sliding connection there being support (6) in cavity (5), vertically along being equipped with a plurality of sample poles (7) on support (6), the top of sample pole (7) is equipped with sampling groove (8), be equipped with a plurality of through-holes (9) that run through on the lateral wall of auger stem (3), sample pole (7) sliding connection is in through-hole (9), be equipped with drive support (6) lateral shifting's driving block (10) in cavity (5).

2. A drilling and sampling device for geological exploration of buildings according to claim 1, characterized in that: the end part of the sampling rod (7) positioned outside the cavity (5) is a sharp corner, and the width of the sampling groove (8) is not larger than the width of the through hole (9).

3. A drilling and sampling device for geological exploration of buildings according to claim 1, characterized in that: the driving block (10) is an electromagnet, the electromagnet is attracted with the support (6), and a plurality of reset springs (11) are arranged between the support (6) and the side wall of the cavity (5).

4. A drilling and sampling device for geological exploration of buildings according to claim 1, characterized in that: the bottom of shell body (1) is equipped with chassis (12), all be equipped with spout (13) on shell body (1) and chassis (12), be equipped with slider (14) on the lateral wall of motor (2), slider (14) sliding connection is in spout (13).

5. The drilling and sampling device for geological exploration of construction of claim 4, wherein: the chassis (12) is rotatably connected with a plurality of connecting rods (15), and the end parts of the connecting rods (15) are movably inserted into the telescopic support rods (4).

6. The drilling and sampling device for geological exploration of construction of claim 5, wherein: the bottom of the telescopic strut (4) is provided with an anchor plate (16).

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