CN218444556U

CN218444556U - A reconnaissance device for geotechnical engineering geophysical prospecting

Info

Publication number: CN218444556U
Application number: CN202222645967.8U
Authority: CN
Inventors: 程文祥; 程辉; 袁双喜
Original assignee: Shenzhen Liancheng Survey Technology Co ltd
Current assignee: Shenzhen Liancheng Survey Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-03
Anticipated expiration: 2032-10-08

Abstract

The utility model belongs to the technical field of geotechnical engineering investigation, and discloses an investigation device for geotechnical engineering geophysical prospecting, which comprises two symmetrically-installed mounting frames, wherein a loading platform is fixed between the two mounting frames, and a lifting device and a sampling device are sequentially installed at the bottom of the loading platform from top to bottom; the sampling device comprises a large drill bit, and the top of the large drill bit is fixedly connected with a connecting disc; an installation platform is arranged in the large drill bit; a through hole penetrating through the large drill bit is formed in the bottom of the mounting table, and a small drill bit is mounted in the through hole; the mounting table top is fixedly provided with an electric push rod, and the telescopic end of the electric push rod is fixedly connected with the small drill bit. The investigation device of the utility model integrates the functions of exploration and sampling, and can realize the exploration, sampling and lofting of samples without a switching device; according to the size of the through hole and the telescopic distance of the electric push rod, the volume of the sampling space can be calculated, and therefore the sample volume in the sampling space can be accurately obtained.

Description

A reconnaissance device for geotechnical engineering geophysical prospecting

Technical Field

The utility model belongs to the technical field of geotechnical engineering reconnaissance, concretely relates to reconnaissance device for geotechnical engineering geophysical prospecting.

Background

The geotechnical engineering investigation specifically refers to finding out, analyzing and evaluating geological and environmental characteristics and geotechnical engineering conditions of a construction site according to requirements of construction engineering, and usually requires a related investigation device to explore and sample engineering samples in actual geotechnical engineering investigation.

At present, most of the existing investigation devices comprise a drilling mechanism, a sampling mechanism, a lofting mechanism and other components which work independently during specific operations, so that the existing investigation devices need to switch the drilling mechanism, the sampling mechanism, the lofting mechanism and other components according to different operations during the working process, and need to manually operate to receive samples after sampling, the operation is troublesome, and the exploration and sampling efficiency is low;

in addition, because geotechnical engineering operational environment's particularity, the reconnaissance device can produce the unstable phenomenon of mounting bracket in the course of the work, consequently has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reconnaissance device for geotechnical engineering geophysical prospecting to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: a surveying device for geotechnical engineering geophysical prospecting comprises two symmetrically-installed installation frames, a loading platform is fixed between the two installation frames, and a lifting device and a sampling device are sequentially installed at the bottom of the loading platform from top to bottom;

the sampling device comprises a large drill bit, and the top of the large drill bit is fixedly connected with a connecting disc;

an installation platform is arranged in the large drill bit;

a through hole penetrating through the large drill bit is formed in the bottom of the mounting table, and a small drill bit is mounted in the through hole;

the mounting table top is fixedly provided with an electric push rod, and the telescopic end of the electric push rod is fixedly connected with the small drill bit.

Preferably, the lifting device comprises a hydraulic cylinder, the hydraulic cylinder is fixed at the bottom of the loading platform, and the output end of the hydraulic cylinder is fixedly connected with a lifting plate;

the bottom of the lifting plate is fixedly provided with a rotating motor, and the output end of the rotating motor is fixedly connected with the connecting disc.

Preferably, two the mounting bracket has all seted up the spout on being close to mutually one side inner wall, and the both ends of lifter plate respectively with two spout sliding connection.

Preferably, the reconnaissance device still includes material collecting device, just material collecting device includes material collecting box and slide, wherein material collecting box bottom is fixed with the slide.

Preferably, two rotatable lead screws and fixed guide rods are installed between the two installation frames, the two sliding seats are symmetrically arranged, one sliding seat is connected with the lead screw in a threaded screwing mode, and the other sliding seat is connected with the guide rods in a sliding mode.

Preferably, the two mounting frames are respectively provided with a mounting seat and a lead screw motor, the mounting seats are rotatably connected with the lead screws and fixedly connected with the guide rods, and the lead screws are driven to rotate through the lead screw motors.

Preferably, the reconnaissance device for geotechnical engineering geophysical prospecting further comprises a leveling device, and the leveling device comprises a supporting screw and a limiting nut;

the supporting screw rod is connected with the limiting nut in a screwing mode, and the limiting nut is limited below the mounting rack;

two spacing holes have all been seted up to the mounting bracket bottom, just the mounting bracket passes through spacing hole and supporting screw sliding connection.

Preferably, the number of the supporting screws is at least two, and a metal sucker is fixedly mounted at the bottom of each supporting screw.

Compared with the prior art, the utility model, following beneficial effect has:

(1) The investigation device of the utility model integrates the functions of exploration and sampling, and is provided with an installation platform and a through hole inside a large drill bit, so that a small drill bit is installed inside the large drill bit; furthermore, the small drill bit automatically contracts under the driving of the electric push rod, so that a sampling space is formed between the small drill bit and the through hole, and the exploration, sampling and lofting of a sample can be realized without a switching device; furthermore, the volume of the sampling space can be calculated according to the size of the through hole and the telescopic distance of the electric push rod, so that the sample volume in the sampling space can be accurately obtained, and the telescopic distance of the electric push rod is set, so that the sampling volume of the sampling device can be adjusted; after sampling is finished, the electric push rod drives the small drill bit to move downwards relative to the large drill bit, and then lofting work can be finished;

the whole sampling device has simple structure and convenient operation.

(2) The utility model is provided with an automatic material receiving device, the device is provided with a material receiving box, a slide seat and a screw device, the device is driven by the screw device, and the material receiving device is connected with the screw device through the slide seat; from this, can accomplish the automation of collecting the sample through screw means's drive, and whole device simple structure, transmission are stable.

(3) The utility model discloses the levelling device has been set up, and the device is through revolving the spacing nut soon to this adjustment mounting bracket and support screw's relative position, thereby correct the angle of mounting bracket and ground, still realize the large tracts of land support of whole levelling device based on metal sucking disc in addition, guarantee the stability of reconnaissance device in the course of the work with this.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is an exploded view of the sampling device of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 1 at B;

in the figure: 1-mounting frame, 2-loading platform, 3-lifting plate, 4-hydraulic cylinder, 5-rotating motor, 6-connecting disc, 7-large drill bit, 8-small drill bit, 9-material collecting box, 10-supporting screw rod, 11-lead screw, 12-sliding seat, 13-mounting seat, 14-sliding groove, 15-lead screw motor, 16-guide rod, 17-limit nut, 18-electric push rod and 19-mounting platform.

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 2, the present invention provides the following technical solutions: a reconnaissance device for geotechnical engineering geophysical prospecting comprises two symmetrically-installed installation frames 1, a loading table 2 is fixed between the two installation frames 1, and a lifting device and a sampling device are sequentially installed at the bottom of the loading table 2 from top to bottom;

the sampling device comprises a large drill bit 7, and the top of the large drill bit 7 is fixedly connected with a connecting disc 6; a mounting table 19 is arranged in the large drill bit 7; the bottom of the mounting table 19 is provided with a through hole penetrating through the large drill bit 7, and a small drill bit 8 is arranged in the through hole; an electric push rod 18 is fixedly mounted at the top of the mounting table 19, and the telescopic end of the electric push rod 18 is fixedly connected with the small drill 8.

The lifting device comprises a hydraulic cylinder 4, the hydraulic cylinder 4 is fixed at the bottom of the loading platform 2, and the output end of the hydraulic cylinder 4 is fixedly connected with a lifting plate 3;

the bottom of the lifting plate 3 is fixedly provided with a rotating motor 5, and the output end of the rotating motor 5 is fixedly connected with a connecting disc 6.

Specifically, above-mentioned lifter plate 3 can select guide arm structure and 2 sliding connection of loading platform, the utility model discloses preferred following structure:

the inner wall of one side, close to each other, of each of the two mounting frames 1 is provided with a sliding groove 14, and the two ends of the lifting plate 3 are respectively connected with the two sliding grooves 14 in a sliding manner.

To sum up, the utility model discloses a drilling, sample, lofting principle do:

1) Drilling:

the hydraulic cylinder 4 is started and drives the lifting plate 3, and the lifting plate 3 descends along the chute 14 and drives the sampling device to move; meanwhile, the rotating motor 5 is started and drives the connecting disc 6 to rotate, and the large drill bit 7, the small drill bit 8 and other structures rotate along with the connecting disc;

specifically, in the drilling operation, the small drill bit 8 is driven to extend out to the bottom of the large drill bit 7 by the extension of the electric push rod 18 (as shown in fig. 1, the large drill bit 7 and the small drill bit 8 are matched to form a conical structure at the bottom end of the whole sampling device), and at the moment, the large drill bit 7 and the small drill bit 8 are matched with each other and drill the rock soil based on the lifting drive of the hydraulic cylinder 4 and the rotation drive of the rotating motor 5.

2) Sampling:

when the large drill bit 7 and the small drill bit 8 drill holes to a specified depth, the small drill bit 8 is driven to rise to the through hole in the large drill bit 7 by retraction of the electric push rod 18, at the moment, the bottom end of the through hole is in an open state, and the through hole is positioned in an area below the small drill bit 8 to form a sampling space;

specifically, in the process, the length of the correspondingly formed sampling space is different according to the retraction length of the electric push rod 18, so that the sampling volume can be effectively adjusted.

3) Lofting:

after sampling, the rotating motor 5 stops rotating, the hydraulic cylinder 4 reversely drives the sampling device to ascend to a specified position and then stops, and the electric push rod 18 drives the small drill bit 8 to descend, so that the sample in the sampling space is pushed out, and automatic lofting is realized. Specifically, when the small drill 8 extends out of the bottom of the large drill 7, the whole sampling device is reset to prepare for sampling next time.

Referring to fig. 1 and 3, the surveying device further includes a material receiving device, and the material receiving device includes a material receiving box 9 and a sliding base 12, wherein the bottom of the material receiving box 9 is fixed to the sliding base 12.

A rotatable screw rod 11 and a fixed guide rod 16 are arranged between the two mounting frames 1, two sliding seats 12 are symmetrically arranged, one sliding seat 12 is connected with the screw rod 11 in a threaded manner, and the other sliding seat 12 is connected with the guide rod 16 in a sliding manner.

The two mounting frames 1 are respectively provided with a mounting seat 13 and a screw motor 15, the mounting seat 13 is rotatably connected with the screw 11 and fixedly connected with the guide rod 16, and the screw 11 is driven to rotate by the screw motor 15.

The driving device of the material receiving device can be driven by an electric push rod and a hydraulic device to replace the driving device;

in summary, the working principle of the material receiving device is as follows:

the screw motor 15 is started and drives the screw 11 to rotate, and the screw 11 drives the sliding seats 12 in a spiral way, so that the two sliding seats 12 move along the screw 11 and the guide rod 16 respectively and convey the material collecting box 9 to the position right below the sampling device, and the material collecting box is used for collecting samples pushed out of the large drill bit 7. After the sample collection is finished, the screw 11 is driven reversely, so that the material collecting box 9 returns to the initial position to wait for the recovery of the sample.

Referring to fig. 1 and 4, the surveying device further comprises a leveling device, and the leveling device comprises a support screw 10 and a limit nut 17;

the support screw 10 is screwed with the limit nut 17, and the limit nut 17 is limited below the mounting rack 1;

spacing holes have all been seted up to two mounting bracket 1 bottoms, and mounting bracket 1 is through spacing hole and supporting screw 10 sliding connection.

The number of the supporting screw rods 10 is at least two, and the bottom of each supporting screw rod 10 is fixedly provided with a metal sucker.

Specifically, referring to fig. 1, the present invention is provided with four supporting screws 10, and each mounting frame 1 is also provided with two limiting holes;

based on the above-mentioned open structure, the utility model discloses a levelling device's theory of operation does:

the four supporting screws 10 are contacted with the ground through metal suction cups arranged at the bottom, the mounting frame 1 is limited on the supporting screws 10 through limiting nuts 17, and the supporting screws 10 are connected with the mounting frame 1 in a sliding mode. Specifically, the leveling is to rotate the limit nut 17 to enable the limit nut 17 to lift along the corresponding support screw 10, and then adjust the relative angle between the mounting rack 1 and the ground, so as to ensure that the whole mounting rack 1 is parallel to the ground.

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 reconnaissance device for geotechnical engineering geophysical prospecting which characterized in that: the device comprises two symmetrically-installed installation frames (1), a loading table (2) is fixed between the two installation frames (1), and a lifting device and a sampling device are sequentially installed at the bottom of the loading table (2) from top to bottom;

the sampling device comprises a large drill bit (7), and the top of the large drill bit (7) is fixedly connected with a connecting disc (6);

a mounting table (19) is arranged in the large drill bit (7);

a through hole penetrating through the large drill bit (7) is formed in the bottom of the mounting table (19), and a small drill bit (8) is mounted in the through hole;

an electric push rod (18) is fixedly mounted at the top of the mounting table (19), and the telescopic end of the electric push rod (18) is fixedly connected with the small drill bit (8).

2. A surveying arrangement for geotechnical geophysical exploration, according to claim 1, characterized in that: the lifting device comprises a hydraulic cylinder (4), the hydraulic cylinder (4) is fixed at the bottom of the loading platform (2), and the output end of the hydraulic cylinder (4) is fixedly connected with a lifting plate (3);

the bottom of the lifting plate (3) is fixedly provided with a rotating motor (5), and the output end of the rotating motor (5) is fixedly connected with the connecting disc (6).

3. A surveying arrangement for geotechnical geophysical exploration, according to claim 2, characterized in that: two sliding chutes (14) are formed in the inner wall of one side, close to the mounting rack (1), of the mounting rack, and the two ends of the lifting plate (3) are connected with the two sliding chutes (14) in a sliding mode respectively.

4. A surveying arrangement for geotechnical geophysical exploration, according to claim 1, characterized in that: the material collecting device comprises a material collecting box (9) and a sliding seat (12), wherein the bottom of the material collecting box (9) is fixed with the sliding seat (12).

5. A surveying arrangement for geotechnical engineering geophysical prospecting according to claim 4, being characterized in that: two install rotatable lead screw (11) and fixed guide arm (16) between mounting bracket (1), slide (12) symmetry is equipped with two, and one of them slide (12) and lead screw (11) screw thread closes soon to be connected, and another slide (12) and guide arm (16) sliding connection.

6. A surveying arrangement for geotechnical geophysical exploration, according to claim 5, characterized in that: two mounting bracket (1) is provided with mount pad (13) and lead screw motor (15) respectively, mount pad (13) rotate with lead screw (11) and be connected and with guide arm (16) fixed connection, and lead screw (11) are through lead screw motor (15) drive rotation.

7. A surveying arrangement for geotechnical geophysical exploration, according to claim 1, characterized in that: the device also comprises a leveling device, and the leveling device comprises a supporting screw rod (10) and a limiting nut (17);

the supporting screw (10) is connected with the limiting nut (17) in a screwing mode, and the limiting nut (17) is limited below the mounting rack (1);

two spacing holes have all been seted up to mounting bracket (1) bottom, just mounting bracket (1) is through spacing hole and supporting screw (10) sliding connection.

8. A surveying arrangement for geotechnical engineering geophysical prospecting according to claim 7, further comprising: the support screw rods (10) are at least two, and each metal sucker is fixedly arranged at the bottom of each support screw rod (10).