CN217586412U

CN217586412U - Foundation rock surveys and uses sampling device

Info

Publication number: CN217586412U
Application number: CN202221472293.XU
Authority: CN
Inventors: 柯林君; 何凡; 熊利平
Original assignee: Wuhan Kecheng Foundation Engineering Co ltd
Current assignee: Wuhan Kecheng Foundation Engineering Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-14
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to a sampling device for basement rock exploration, which comprises a base and a hydraulic cylinder arranged on the base through a drill frame, wherein a hydraulic drill rod is fixedly arranged at the output end of a piston rod of the hydraulic cylinder, a drill bit is arranged at the head of the hydraulic drill rod, and a cutter assembly for rotary drilling is arranged at the head of the drill bit; a sample cavity for accommodating a sample is formed in the outer side wall of the drill bit; the outside in sample chamber is provided with the flexible mouth, flexible mouthful include with the deflector of drill bit lateral wall shape looks adaptation, the top of deflector is articulated with the drill bit lateral wall that is located sample chamber outside top, install the flexible mouthful drive assembly who is used for the flexible mouth of drive to stretch out or retract in the sample intracavity. The utility model discloses a sampling device is integrative with the drill bit of rig, and the sample that carries out the rock core sample when the rig creeps into that can be convenient has greatly simplified the sample operation, and the cost is very cheap moreover.

Description

Foundation rock surveys and uses sampling device

Technical Field

The utility model belongs to the technical field of the architectural equipment, in particular to basement rock surveys uses sampling device.

Background

During construction, particularly during construction of high-rise buildings, bridges and roads, the geocentric rock stratum of a construction area needs to be detected to obtain accurate rock stratum distribution data, and during foundation construction, foundation distribution and depth can be designed according to the data.

The existing sampling equipment is generally special and independent equipment, and the sampling is realized by a drilling machine. The sampling device generally comprises a sampling head on which a drilling tool and a sampling mechanism are mounted. When sampling, firstly, a hydraulic drilling machine is used for drilling holes in the ground surface, then the drilling machine is dismantled, and sampling equipment is used for extending into the holes and sampling the holes at the bottoms of the holes. Not only has very complex operation, more construction procedures, but also has higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to an at least technical problem who exists among the prior art, provide a basement rock surveys and uses sampling device, it is integrative with the drill bit of rig, can be convenient carry out the sample of rock core sample when the rig creeps into, greatly simplified the sampling operation, the cost is very cheap moreover.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a sampling device for basement rock exploration comprises a base and a hydraulic cylinder mounted on the base through a drill frame, wherein a hydraulic drill rod is fixedly mounted at the output end of a piston rod of the hydraulic cylinder, a drill bit is mounted at the head of the hydraulic drill rod, and a cutter assembly for rotary drilling is mounted at the head of the drill bit; a sample cavity for accommodating a sample is formed in the outer side wall of the drill bit; the outside in sample chamber is provided with the flexible mouth, flexible mouthful include with the deflector of drill bit lateral wall shape looks adaptation, the top of deflector is articulated with the drill bit lateral wall that is located sample chamber outside top, install the flexible mouthful drive assembly who is used for the flexible mouth of drive to stretch out or retract in the sample intracavity.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a plurality of sample cavities are formed and are uniformly distributed along the circumferential direction of the drill bit.

Further, a sample tank fixing groove is formed in the bottom of the sample cavity and used for fixedly embedding the sample tank.

Furthermore, flexible mouthful drive assembly is electric push rod or pneumatic cylinder, flexible mouthful drive assembly one end is articulated with sample intracavity wall, and the other end is articulated with flexible mouthful.

Further, guard plates are fixedly arranged on two sides of the guide plate of the telescopic opening.

Furthermore, an elastic cushion pad is fixedly arranged on the inner wall of the guide plate.

Furthermore, an assembly cavity is formed in the center of the drill bit, a driving motor is fixedly mounted in the assembly cavity, and the output end of the driving motor is connected with the cutter assembly.

Preferably, the cutter assembly comprises a cutter disc shaft and a cutter disc fixedly installed at the bottom of the cutter disc shaft, and the cutter disc shaft is connected with the output end of the driving motor.

More preferably, the cutter head shaft is mounted at the bottom of the assembly cavity through a rotary bearing.

More preferably, the cutter head shaft is connected with the driving motor through a coupling.

The utility model has the advantages that: the utility model discloses a set up the sample chamber on the drill bit to the telescopic joint is installed, the cutter subassembly that adopts the rotary drilling, and the cutter that utilizes the rotary drilling makes the geocentric rock stratum broken, and makes the broken rock stratum lead the week side of drill bit under the drill bit drilling effect, then enters into the sample intracavity through the telescopic joint that has the direction function, accomplishes the sample, and the operation is very convenient, and the construction process is few, can accomplish the sample while drilling; the utility model discloses need not to dispose solitary sampling equipment, greatly reduced the cost of sampling operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the drill of the present invention;

FIG. 3 is a schematic cross-sectional view of the telescopic opening of the present invention;

FIG. 4 is a schematic view of the bottom view of the drill with the retractable opening open according to the present invention;

in the figure:

1. the device comprises a frame, 2, a hydraulic cylinder, 3, a hydraulic drill rod, 4, a drill bit, 41, a driving motor, 42, a coupler, 43, a sample cavity, 44, a sample tank fixing groove, 45, a telescopic port, 451, a guide plate, 452, a guard plate, 453, a hinge shaft, 46, a telescopic port driving assembly, 5, a cutter assembly, 51, a cutter disc shaft, 52 and a rotating bearing.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-4, the utility model relates to a bedrock surveys and uses sampling device of embodiment design, include base 1 and the pneumatic cylinder 2 of installing on base 1 through the rig frame, the piston rod output fixed mounting of pneumatic cylinder 2 has hydraulic drill pipe 3, drill bit 4 is installed to hydraulic drill pipe 3 head. The structure of the part is basically the same as that of the existing hydraulic drilling machine.

The drill 4 of the present embodiment is provided with a cutter unit 5 for rotary drilling at the head thereof. And a sample cavity 43 for accommodating a sample is formed on the outer side wall of the drill bit 4. The sample cavity 43 is a cavity formed in the outer side wall of the drill 4, and a sample is accommodated after entering the cavity, so that sampling is realized. The outside of sample chamber 43 is provided with flexible mouth 45, flexible mouth 45 includes the deflector 451 with drill bit 4 lateral wall shape looks adaptation, the top of deflector 451 is articulated with drill bit 4 lateral wall that is located sample chamber 43 outside top, install the flexible mouthful drive assembly 46 that is used for driving flexible mouth 45 to stretch out or retract in the sample chamber 43. The provision of the constriction 45 corresponds to the installation of a door-like component on the outside of the sample chamber 43, which can be opened after drilling to the sampling depth, so that the sample enters the sample chamber 43; and closed when not drilled to the sampling depth to ensure that debris and mud from the non-sample formation is trapped outside the sample chamber 43.

The utility model discloses a sampling device is direct integrative with the drill bit of rig, alright accomplish the sample when drilling. During drilling, the cutter assembly 5 at the head end of the drill bit 4 rotates, and the drill bit 4 is continuously pressed down under the driving of the hydraulic drill rod 3 under the action of the hydraulic cylinder 2, so that rotary drilling is realized. At this time, the rock layer at the tip end of the drill 4 is crushed and guided to the circumferential side of the drill 4 by the downward pressure, and moves toward the drill 4. After the sampling depth is reached, the drill bit 4 is opened only by opening the expansion port 45 as shown in fig. 4 to form a guide port, and the crushed rock stratum is guided into the sampling cavity 43 to realize sampling.

In the above embodiment, the present invention can be further modified as follows. In a modified scheme, a sample tank fixing groove 44 is arranged at the bottom in the sample cavity 43 and is used for fixedly embedding a sample tank.

After adopting this improvement scheme, can be through the fixed sample jar that sets in sample jar fixed slot 44, the sample of sample can directly fall into in the sample jar, takes out drill bit 4 back, directly take out the sample jar sealed can.

In the above embodiment, the present invention can be further modified as follows. In a modification, the extension drive assembly 46 is an electric push rod or a hydraulic cylinder. One end of the electric push rod or the hydraulic cylinder is hinged with the inner wall of the sample cavity 43, and the other end of the electric push rod or the hydraulic cylinder is hinged with the telescopic port 45.

With this improvement, precise opening and closing of the telescoping port 45 can be ensured.

In the above embodiment, the present invention can be further modified as follows. In a modified scheme, protective plates 452 are fixedly arranged on two sides of the guide plate 451 of the expansion port 45.

After the guard plate 452 is arranged, the telescopic opening 45 can form a complete guide groove, which is more beneficial to the guide of the sample.

In the above embodiment, the present invention can be further modified as follows. In a modified form, an elastic buffer pad is fixedly mounted on the inner wall of the guide plate 451.

After the buffer pad is arranged, the impact force generated after the crushed rock stratum collides with the guide plate 451 can be buffered, and the sample is effectively protected.

The present invention also has a second embodiment, which is basically the same as the first embodiment in terms of the main structure, and is different from the first embodiment in that a plurality of sampling chambers 43 are provided.

In this embodiment, the sample cavities 43 are opened in a plurality and uniformly distributed along the circumferential direction of the drill 4.

This embodiment can realize the one-time operation sample of the different degree of depth, sets up a plurality of sample chambeies 43 backs, and in the drilling process, the different degree of depth when taking a sample, only needs when the drill bit reachs different degree of depth, opens single sample chamber 43 sample in proper order, alright in order to realize the drilling operation, the many times sample of the different degree of depth.

The present invention also has a third embodiment, which is basically the same as the main structure of the first embodiment and the second embodiment, except for the improvement of the cutter portion.

In this embodiment, an assembly cavity is formed in the center of the drill 4, a driving motor 41 is fixedly mounted in the assembly cavity, and an output end of the driving motor 41 is connected with the cutter assembly 5.

Through with the motor embeds in drill bit 4, can realize the smooth and easy drive to cutter unit 5, avoid adopting complicated transmission structure, lead to the fault rate to rise.

In the above embodiment, the present invention can be further modified as follows. In a modified scheme, the cutter assembly 5 comprises a cutter disc shaft 51 and a cutter disc fixedly installed at the bottom of the cutter disc shaft 51, and the cutter disc shaft 51 is connected with the output end of the driving motor 41.

More preferably, the cutter head shaft 51 is mounted at the bottom of the assembly cavity by means of a rotary bearing 52.

More preferably, the cutter shaft 51 is connected with the driving motor 41 through a coupling 42.

By adopting the improved scheme and the optimized scheme, the connection sealing of the cutter assembly 5 and the drill bit 4 can be ensured, and the smooth driving can be ensured.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A sampling device for basement rock surveying comprises a base (1) and a hydraulic cylinder (2) installed on the base (1) through a drill rig frame, wherein a hydraulic drill rod (3) is fixedly installed at the output end of a piston rod of the hydraulic cylinder (2), a drill bit (4) is installed at the head of the hydraulic drill rod (3), and the sampling device is characterized in that a cutter assembly (5) for rotary drilling is installed at the head of the drill bit (4); a sample cavity (43) for accommodating a sample is formed in the outer side wall of the drill bit (4); the outside of sample chamber (43) is provided with flexible mouth (45), flexible mouth (45) include with drill bit (4) lateral wall shape looks adaptation deflector (451), the top of deflector (451) is articulated with drill bit (4) lateral wall that is located sample chamber (43) outside top, install flexible mouthful drive assembly (46) that are used for driving flexible mouth (45) to stretch out or retract in sample chamber (43).

2. A sampling device for basement rock exploration according to claim 1, characterized in that: the sample cavities (43) are arranged in a plurality and are uniformly distributed along the circumferential direction of the drill bit (4).

3. A sampling device for basement rock surveying according to claim 1, characterized in that: and a sample tank fixing groove (44) is arranged at the bottom in the sample cavity (43) and is used for fixedly embedding a sample tank.

4. A sampling device for basement rock exploration according to claim 1, characterized in that: the telescopic opening driving assembly (46) is an electric push rod or a hydraulic cylinder, one end of the telescopic opening driving assembly (46) is hinged with the inner wall of the sample cavity (43), and the other end of the telescopic opening driving assembly is hinged with the telescopic opening (45).

5. A sampling device for basement rock exploration according to claim 1, characterized in that: guard plates (452) are fixedly arranged on two sides of the guide plate (451) of the telescopic opening (45).

6. A sampling device for basement rock exploration according to claim 1, characterized in that: an elastic buffer pad is fixedly arranged on the inner wall of the guide plate (451).

7. A sampling device for basement rock surveying according to claim 1, characterized in that: an assembly cavity is formed in the center of the drill bit (4), a driving motor (41) is fixedly mounted in the assembly cavity, and the output end of the driving motor (41) is connected with the cutter assembly (5).

8. A sampling device for basement rock surveying according to claim 7, characterized in that: the cutter assembly comprises a cutter disc shaft (51) and a cutter disc fixedly installed at the bottom of the cutter disc shaft (51), and the cutter disc shaft (51) is connected with the output end of the driving motor (41).

9. A sampling device for basement rock exploration according to claim 8, characterized in that: the cutter disc shaft (51) is arranged at the bottom of the assembly cavity through a rotating bearing (52).

10. A sampling device for basement rock exploration according to claim 8, characterized in that: the cutter head shaft (51) is connected with the driving motor (41) through a coupler (42).