CN212003017U

CN212003017U - Drilling machine

Info

Publication number: CN212003017U
Application number: CN202020065953.7U
Authority: CN
Inventors: 帅海乐; 张克利; 徐继斌; 宋勇; 何飞; 韩力; 汪太珩; 岳恩鹏; 谭祖彪; 张竹云
Original assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD
Current assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD; Guizhou China Construction Architecture Research and Design Institute Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-24
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a drilling machine, which comprises a connector (1); the lower end of the connector (1) is connected with the protective shell (3); a group of reinforced rib plates (2) are arranged at the corners of the top surface of the protective shell (3) and the connector (1); the top surface of the protective shell (3) is provided with a cable access pipe (4) and a water pipe access pipe (5); a fixed bracket (8) is arranged in the protective shell (3); the fixed bracket (8) is fixedly connected with the protective shell (3); 3-4 motors (9) are arranged on the fixed support (8); each motor (9) is connected with a drilling tool (10). The utility model provides a because the investigation in earlier stage is unclear and the problem that leads to. And simultaneously, the utility model discloses improve reconnaissance and construction speed greatly, practiced thrift a large amount of time limit for a project and cost.

Description

Drilling machine

Technical Field

The utility model relates to a drilling machine belongs to geological survey mechanical technical field.

Background

In areas where karst is relatively developed, it is very difficult to find a bearing stratum meeting design and standard requirements during pile foundation engineering design and construction. When infrastructure and house construction is carried out on a karst foundation, the following technical problems are commonly encountered: firstly, the exploration engineering amount is large, and the capital and time investment is particularly large. The problem can not be solved in a stake hole usually, and 3 ~ 4 holes can be solved in a stake, wait to reconnaissance the work and accomplish the back, just can design and be under construction. A large amount of investigation work requires a large investment of time and money; and secondly, construction is carried out after preliminary investigation or one-pile one-hole investigation, when the karst condition is revealed by the construction and the investigation is inconsistent, the thickness of the complete bearing stratum at the bottom of the hole cannot be judged whether the complete bearing stratum can meet the standard requirement condition. At the moment, because the deep supplementary exploration engineering drilling machine of the pile hole can not drill, the supplementary exploration is carried out after the pile hole needs to be backfilled, and the construction period and the cost waste are particularly large; and thirdly, even if the karst condition is consistent with investigation during construction, the development of the karst cannot drill the supporting layer after pore forming, so that great potential safety hazards are buried for the pile foundation, the core drilling method is used for verification after the concrete of the pile body is poured, and if the supporting layer does not meet the design and standard requirements, reinforcement treatment is required, so that the reinforcement construction period and the cost are very large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling machine makes this drilling machine can use with the cooperation of digging soon, can bore 3 ~ 4 exploration holes simultaneously on ground to solve prior art and only bore a hole at every turn, under can't judging can reach the standard requirement condition, still need backfill probe hole back mend the technical problem that bores and meet, thereby overcome prior art's not enough.

The utility model discloses a realize like this:

the utility model relates to a drilling machine, which comprises a connector; the lower end of the connector is connected with the protective shell; a group of reinforcing rib plates are arranged at corners of the top surface of the protective shell and the connector; the top surface of the protective shell is provided with a cable access pipe and a water pipe access pipe; a fixed bracket is arranged in the protective shell; the fixed bracket is fixedly connected with the protective shell; 3-4 motors are arranged on the fixed support; each motor is connected with the drilling tool.

In the drilling machine, a multifunctional cable is arranged in the cable access pipe; the multifunctional cable passes through the fixed support to be connected with the motor.

In the drilling machine, the water pipe is arranged in the water pipe connecting pipe; the water pipe passes through the fixed support to be connected with the drilling tool.

In the drilling machine, the lower shaft part of the motor is provided with a pressure sensor and a drilling speed sensor, and a sensor wire transmits signals through a multifunctional cable; the multifunctional cable is internally provided with a power wire and a sensor wire.

Since the technical scheme is used, the utility model discloses compare with prior art, the utility model discloses can bore 3 ~ 4 explorations holes simultaneously on ground, solve prior art and only bore a hole at every turn, can not reach under the standard requirement condition when unable judgement, still need backfill to carry out after exploratory hole and mend the technical problem that bores and meet. The utility model discloses a drilling machine can gain the different core appearance of three groups simultaneously, improves the accuracy of judgement through the analysis to the different core appearance of three groups, and the probing process is known to the accessible sensor feedback condition simultaneously to know whether the underground has the solution cavity. And then whether the pile bottom bearing layer meets the design and specification requirements is judged.

Drawings

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

The labels in the figures are: 1-connector, 2-reinforcing rib plate, 3-protective shell, 4-cable access pipe, 5-water pipe access pipe, 6-multifunctional cable, 7-water pipe, 8-fixed support, 9-motor and 10-drilling tool.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, but the present invention is not limited thereto.

The utility model relates to a drilling machine, as shown in figure 1, comprising a connector 1; the lower end of the connector 1 is connected with the protective shell 3; a group of reinforcing rib plates 2 are arranged at the corners of the top surface of the protective shell 3 and the connector 1; the top surface of the protective shell 3 is provided with a cable access pipe 4 and a water pipe access pipe 5; a fixed bracket 8 is arranged in the protective shell 3; the fixed bracket 8 is fixedly connected with the protective shell 3; 3-4 motors 9 are arranged on the fixed bracket 8; each motor 9 is connected to a drill 10. A cable 6 is arranged in the cable access pipe 4; the multifunctional cable 6 passes through the fixed bracket 8 and is connected with the motor 9. A water pipe 7 is arranged in the water pipe connecting pipe 5; the water pipe 7 passes through the fixed bracket 8 and is connected with the drilling tool 10. The lower shaft part of the motor 9 is provided with a pressure sensor and a drilling speed sensor, and a sensor wire transmits signals through the multifunctional cable 6; the multifunctional cable 6 is internally provided with a power wire and a sensor wire.

The utility model discloses the effect of each part is: the connector 1 is used for drill rods of the drilling machine and the rotary drilling machine of the utility model, and the drill rods of the rotary drilling machine are used for providing counter-force; the reinforcing rib plate 2 is used for improving the connection strength and the connection reliability; the outer protective shell 3 is used for protecting the fixed bracket 8 from directly colliding with the hole wall; the multifunctional cable 6 provides a power line for the drilling machine and transmits various signals; the drilling tool 10 adopts a single-action double-pipe drilling tool, is coaxial with the rotating shaft of the motor 9, has 3 drilling tools and 3 motors in total, and meets the requirement that 3 drilling holes are drilled simultaneously.

The working process of the utility model is that when the depth of the pile hole reaches the designed elevation, the rotary drilling bit is replaced by the drilling machine of the utility model, the drilling machine is placed at the bottom of the pile hole by utilizing the drill rod of the rotary drilling machine, water is led through the water pipe 7, and after the water is led through, the water flows out through the drilling tool 10; in the drilling process, the water flow takes away the debris such as rock dust and the like generated in the drilling process, so that the drill sticking is prevented. The motor 9 is powered by the multifunctional cable 6, and the motor 9 drives the drilling tool 10 to rotate so as to drill and core in the rock and soil body. And (3) monitoring the drilling condition of the drilling tool by using a sensor while drilling, such as the vertical pressure of the drilling tool and the rotating speed of the drilling tool, and comprehensively judging the condition of a bearing stratum with 3 times of the pile diameter of the pile end and no less than 5 meters by combining a core sample. The utility model discloses a drilling machine can carry out 3 hole probing simultaneously, once finds the stake end bearing layer condition comprehensively, can improve benefit investigation efficiency or borer greatly and visit efficiency, can be powerful gets rid of the potential safety hazard on pile foundation bearing layer. In the drilling machine of the utility model, the connector 1 is fixedly connected with the drill rod of the rotary drilling rig through the anchor bolt, so that the whole machine is lifted and lowered; the reinforcing rib plate 2 is used for reinforcing the connector 1 and the main body part of the drilling machine; the motor 9 is screwed to the drilling tool 10 and sensors are arranged between the motor shaft and the drilling tool for monitoring drilling data (e.g. rotational speed, drilling pressure).

In the middle of the process of drilling, utilize dig soon the machine dig the drilling rod with the utility model discloses drilling machinery dead weight is rotatory as vertical pressure, and motor 9 drives drilling tool 10, creeps into in the soil body, and rivers are taken away rock powder and the heat that the in-process produced that will bore through the drilling tool, use simultaneously collection appearance collection sensor data, grasp the condition of driling in real time. The drilling tool 10 has the same diameter as that of a drilling tool for earth exploration and can drill 3 holes simultaneously. Compared with the traditional investigation method, the method greatly improves the drilling efficiency, monitors the drilling condition in real time and is more beneficial to reflecting the rock and soil condition of the stratum.

Claims

1. A drilling machine comprising a coupling head (1); the method is characterized in that: the lower end of the connector (1) is connected with the protective shell (3); a group of reinforcing rib plates (2) are arranged at the corners of the top surface of the protective shell (3) and the connector (1); the top surface of the protective shell (3) is provided with a cable access pipe (4) and a water pipe access pipe (5); a fixed bracket (8) is arranged in the protective shell (3); the fixed bracket (8) is fixedly connected with the protective shell (3); 3-4 motors (9) are arranged on the fixed support (8); each motor (9) is connected with a drilling tool (10).

2. The drilling machine according to claim 1, wherein: a multifunctional cable (6) is arranged in the cable access pipe (4); the multifunctional cable (6) passes through the fixed support (8) and is connected with the motor (9).

3. The drilling machine according to claim 1, wherein: a water pipe (7) is arranged in the water pipe access pipe (5); the water pipe (7) passes through the fixed support (8) and is connected with the drilling tool (10).

4. The drilling machine according to claim 2, wherein: the lower shaft part of the motor (9) is provided with a pressure sensor and a drilling speed sensor, and a sensor wire transmits signals through a multifunctional cable (6); the multifunctional cable (6) is internally provided with a power wire and a sensor wire.