CN212612386U

CN212612386U - Portable soil sampling device for rock and soil investigation

Info

Publication number: CN212612386U
Application number: CN202020729187.XU
Authority: CN
Inventors: 覃可堂; 谭朝龙; 韦学海
Original assignee: Guangxi Nahai Traffic Design Consulting Co ltd
Current assignee: Guangxi Nahai Traffic Design Consulting Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-02-26
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a portable soil sampling device for geotechnical investigation in the technical field of soil sampling for geotechnical investigation, the bottom of an outer protective cylinder is fixedly assembled with a connecting seat, the bottom of the connecting seat is assembled with a soil sampling device in a screw joint manner, the output end of a motor penetrates through the top of the outer protective cylinder and is assembled with a screw rod in a fixed manner, a slide seat is assembled in the outer protective cylinder in a sliding manner, the bottom end of the screw rod extends into the inner cavity of the slide seat, limiting plates are fixedly arranged on the front side wall and the rear side wall of the slide seat, guide channels matched with the limiting plates are arranged on the front side wall and the rear side wall of the outer protective cylinder, a solenoid magnetic chuck is fixedly assembled at the bottom of the slide seat, an armature plate matched with the solenoid magnetic chuck is nested in the outer protective cylinder, a lower hammer is fixedly assembled at the bottom of the armature plate, impact energy on the lower hammer can, the device can be matched with the falling impact force of the falling hammer to realize the injection sampling of the soil sampler.

Description

Portable soil sampling device for rock and soil investigation

Technical Field

The utility model relates to a ground reconnaissance technique field of fetching earth specifically is a ground reconnaissance is with portable device of fetching earth.

Background

In the field of geological exploration in construction exploration engineering, a soil sampler is generally required to be adopted for sampling and collecting, however, in the geological and geotechnical investigation process, soil in the investigation region is often sampled, however, the existing soil sampling device for geological investigation is large in volume and inconvenient to carry, meanwhile, the static force is greatly restricted by the counterforce device, and hard soil layers are difficult to press in, so a hammering penetration mode is mainly adopted, the hammering usually adopts a piercing drop hammer to fall freely, and the impact hammer cushion enables a drill rod to transmit impact energy to a soil sampler so as to complete the collection of soil samples, but in practical application, because the device preparation is accomplished the back, the length of weight whereabouts is fixed, can't carry out the adjustment of weight whereabouts height according to actual sampling degree of depth demand, and the practicality is relatively poor, for this reason, we propose a ground reconnaissance with portable geotome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground reconnaissance is with portable device that fetches earth to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable soil sampling device for geotechnical investigation comprises an outer protective barrel, wherein handles are fixedly assembled at the tops of left and right side walls of the outer protective barrel, a connecting seat is fixedly assembled at the bottom of the outer protective barrel, a soil sampler is assembled at the bottom end of the connecting seat in a threaded manner, a protective box is fixedly arranged at the top of the outer protective barrel, heat dissipation holes are uniformly formed in the outer wall of the protective box, a motor is fixedly arranged in the inner cavity of the protective box, a screw rod is fixedly assembled at the output end of the motor after penetrating through the top of the outer protective barrel, a sliding seat is slidably assembled in the outer protective barrel, the bottom end of the screw rod extends into the inner cavity of the sliding seat, limiting plates are fixedly arranged on the front and rear side walls of the sliding seat, guide channels matched with the limiting plates are formed in the front and rear side walls of the outer protective barrel, an electromagnetic coil magnetic suction disc is fixedly assembled at the bottom of the sliding, the bottom of the armature plate is fixedly provided with a falling hammer, a falling cavity matched with the falling hammer is arranged in the outer protective cylinder, and a positioning groove matched with the falling hammer is formed in the bottom of the inner cavity of the outer protective cylinder.

Preferably, the size of the sliding seat is matched with the size of the inner cavity of the outer protective cylinder, a threaded channel matched with the screw rod is formed in the center of the top of the sliding seat, and the depth of the threaded channel is the same as the length of the screw rod.

Preferably, the fixed solenoid that is equipped with of solenoid magnetism sucking disc inner chamber, and solenoid passes through the electric wire and connect with external power supply, just solenoid magnetism sucking disc and armature board adaptation.

Preferably, the bottom end of the connecting seat is provided with a threaded seat, and the top end of the soil sampler is provided with a threaded cylinder matched with the threaded seat.

Preferably, the size of the drop hammer is matched with that of the positioning groove, and the bottom end of the drop hammer is arc-shaped.

Preferably, the size of the limiting plate is matched with that of the guide channel, and the length of the guide channel is the same as that of the screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable structural design, the soil sampler spiro union is assembled on the connecting seat, can realize the quick installation and later period disassembly of the soil sampler, improve the operation convenience, the motor is enabled to rotate positively by the connection of an external power supply, the screw rod can be driven to rotate, the slide seat is driven to move downwards by the spiro union action of the screw rod and the slide seat, the electromagnetic coil magnetic chuck can be driven to move downwards, meanwhile, the electromagnetic coil magnetic chuck can be driven to move upwards when the motor rotates reversely, the height of the falling cavity can be adjusted, so as to adjust the requirement of the soil sampling height, the electromagnetic coil can realize magnetic attraction to the armature plate after being electrified, the magnetic attraction can be realized to the falling hammer, the electromagnetic coil on the electromagnetic coil magnetic chuck loses the adsorption action to the armature plate after being electrified, and the gravity of the falling hammer freely falls in the falling cavity, last use the constant head tank in, can be with the impact energy on the hammer of whereabouts on using the geotome like this, can make the device from the penetration soil, manual downward pressing handle simultaneously, the whereabouts impact force that can cooperate the hammer of falling down realizes the penetration sample to the geotome, improves the sample convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the overall sectional structure diagram of the present invention.

In the figure: 1. an outer protective cylinder; 2. a handle; 3. a connecting seat; 4. a soil sampler; 5. a protective box; 6. heat dissipation holes; 7. a motor; 8. a slide base; 9. a screw; 10. a limiting plate; 11. a guide channel; 12. an electromagnetic coil magnetic chuck; 13. an armature plate; 14. dropping a hammer; 15. a drop cavity; 16. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a portable soil sampling device for geotechnical investigation comprises an outer protective barrel 1, a handle 2 is fixedly assembled at the top of the left side wall and the right side wall of the outer protective barrel 1, a connecting seat 3 is fixedly assembled at the bottom of the outer protective barrel 1, a soil sampler 4 is assembled at the bottom of the connecting seat 3 in a threaded manner, a protective box 5 is fixedly arranged at the top of the outer protective barrel 1, heat dissipation holes 6 are uniformly formed in the outer wall of the protective box 5, a motor 7 is fixedly arranged in the inner cavity of the protective box 5, a screw 9 is fixedly assembled after the output end of the motor 7 penetrates through the top of the outer protective barrel 1, a sliding seat 8 is slidably assembled in the outer protective barrel 1, the bottom of the screw 9 extends into the inner cavity of the sliding seat 8, limiting plates 10 are fixedly arranged on the front side wall and the rear side wall of the sliding seat 8, a guide channel 11 matched with the limiting plates 10 is formed on the front side wall and the rear side wall of the outer protective barrel 1, an, the bottom of the armature plate 13 is fixedly provided with a falling hammer 14, a falling cavity 15 matched with the falling hammer 14 is arranged in the outer protective cylinder 1, and the bottom of the inner cavity of the outer protective cylinder 1 is provided with a positioning groove 16 matched with the falling hammer 14.

Referring to fig. 2, the size of the sliding base 8 is matched with the size of the inner cavity of the outer casing 1, a threaded passage matched with the screw 9 is formed in the center of the top of the sliding base 8, the depth of the threaded passage is the same as the length of the screw 9, the sliding base 8 is driven to move downwards through the screwing action of the screw 9 and the sliding base 8, and thus the electromagnetic coil magnetic chuck 12 can be driven to move downwards;

an electromagnetic coil is fixedly assembled in the inner cavity of the electromagnetic coil magnetic suction disc 12, the electromagnetic coil is connected with an external power supply through a wire, and the electromagnetic coil magnetic suction disc 12 is matched with the armature plate 13;

the bottom end of the connecting seat 3 is provided with a threaded seat, the top end of the soil sampler 4 is provided with a threaded cylinder matched with the threaded seat, and the soil sampler 4 is assembled on the connecting seat 3 in a threaded manner, so that the soil sampler 4 can be quickly installed and later disassembled, and the operation convenience is improved;

the size of the falling hammer 14 is matched with that of the positioning groove 16, and the bottom end of the falling hammer 14 is arc-shaped;

the size of the limit plate 10 is matched with that of the guide channel 11, and the length of the guide channel 11 is the same as that of the screw 9.

The working principle is as follows: firstly, the device is moved to a preset position, then the soil sampler 4 is assembled on the connecting seat 3 in a threaded manner, the rapid installation and later-period disassembly of the soil sampler 4 can be realized, the operation convenience is improved, the motor 7 is switched on through an external power supply to enable the motor 7 to rotate positively, the screw 9 can be driven to rotate, the slide seat 8 is driven to move downwards through the threaded action of the screw 9 and the slide seat 8, the electromagnetic coil magnetic suction disc 12 can be driven to move downwards, meanwhile, the electromagnetic coil magnetic suction disc 12 can be driven to move upwards when the motor 7 rotates reversely, the height of the falling cavity 15 can be adjusted, so that the requirement on the soil sampling height can be adjusted, the electromagnetic coil can realize magnetic attraction on the armature plate 13 after being electrified, the magnetic attraction on the falling hammer 14 can be realized, the adsorption effect on the armature plate 13 can be lost after the electromagnetic coil on the electromagnetic coil magnetic suction disc 12 is electrified, and the soil can freely fall in the falling cavity 15 under, finally, in the constant head tank 16 is used, impact energy on the drop hammer 14 can be used on the soil sampler 4, the device can be enabled to automatically penetrate into soil, meanwhile, the handle 2 is manually pressed downwards, the drop impact force of the drop hammer 14 can be matched to realize penetration sampling of the soil sampler 4, and sampling convenience is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ground reconnaissance is with portable device of fetching earth, includes outer protecting a section of thick bamboo (1), its characterized in that: the soil sampler is characterized in that handles (2) are fixedly assembled at the tops of the left side wall and the right side wall of the outer protective barrel (1), a connecting seat (3) is fixedly assembled at the bottom of the outer protective barrel (1), a soil sampler (4) is assembled at the bottom of the connecting seat (3) in a threaded manner, a protective box (5) is fixedly arranged at the top of the outer protective barrel (1), heat dissipation holes (6) are uniformly formed in the outer wall of the protective box (5), a motor (7) is fixedly arranged in the inner cavity of the protective box (5), a screw (9) is fixedly assembled after the output end of the motor (7) penetrates through the top of the outer protective barrel (1), a sliding seat (8) is assembled in the outer protective barrel (1) in a sliding manner, the bottom end of the screw (9) extends into the inner cavity of the sliding seat (8), limiting plates (10) are fixedly arranged on the front side wall and the rear side wall of the sliding seat (8), and guide channels (, the bottom fixed assembly of slide (8) is equipped with solenoid magnetism sucking disc (12), the nested armature plate (13) that is provided with and solenoid magnetism sucking disc (12) looks adaptation in the outer section of thick bamboo (1) that protects, the bottom fixed assembly of armature plate (13) is equipped with down hammer (14) that falls, be provided with in the outer section of thick bamboo (1) and fall falling cavity (15) of hammer (14) looks adaptation down, protect a section of thick bamboo (1) inner chamber bottom outward and offer constant head tank (16) that are provided with and fall hammer (14) looks adaptation.

2. The portable soil sampling device for geotechnical investigation of claim 1, wherein: the size of slide (8) and the inner chamber size looks adaptation of outer protective cylinder (1), just the top center department of slide (8) sets up the screw thread passageway with screw rod (9) looks adaptation, and the degree of depth of screw thread passageway is the same with the length of screw rod (9).

3. The portable soil sampling device for geotechnical investigation of claim 1, wherein: the electromagnetic coil magnetic chuck (12) inner chamber is fixedly equipped with electromagnetic coil, and electromagnetic coil passes through the electric wire and connects with external power supply, just electromagnetic coil magnetic chuck (12) and armature plate (13) looks adaptation.

4. The portable soil sampling device for geotechnical investigation of claim 1, wherein: the bottom end of the connecting seat (3) is provided with a threaded seat, and the top end of the soil sampler (4) is provided with a threaded cylinder matched with the threaded seat.

5. The portable soil sampling device for geotechnical investigation of claim 1, wherein: the size of the drop hammer (14) is matched with that of the positioning groove (16), and the bottom end of the drop hammer (14) is arc-shaped.

6. The portable soil sampling device for geotechnical investigation of claim 1, wherein: the size of the limiting plate (10) is matched with that of the guide channel (11), and the length of the guide channel (11) is the same as that of the screw (9).