CN212535565U - Drilling rig for geotechnical engineering exploration - Google Patents

Abstract

The utility model provides a drilling rig for geotechnical engineering exploration, which comprises a frame body, a laser positioning detection device arranged on the frame body and a drilling device arranged on the frame body, wherein the frame body comprises supporting legs and a rectangular surrounding frame arranged on the supporting legs; laser location detection device is equipped with a plurality ofly, distributes in a plurality of positions of support body, laser location detection device encloses the laser emission appearance of frame and locates the external laser receiver of support body including locating supporting legs and rectangle, and laser receiver is equipped with the receiving area of circular form. The utility model provides a pair of drilling rigs for geotechnical engineering exploration through set up a plurality of laser emission appearance at the support body and set up a plurality of laser receiver with laser emission appearance matched with outside the support body, breaks away from the accepting region when laser signal, and laser receiver sends early warning signal this moment, explains that the support body has taken place the slope or the drilling rod has met great resistance, and the staff examines and detect drilling equipment.

Description

Drilling rig for geotechnical engineering exploration

Technical Field

The utility model relates to an engineering probing device field especially relates to a drilling rig for geotechnical engineering exploration.

Background

Geotechnical engineering Investigation (Geotechnical Investigation) refers to the activity of finding out, analyzing and evaluating geological and environmental characteristics and Geotechnical engineering conditions of a construction site and compiling Investigation files according to the requirements of construction engineering. The purpose of geotechnical engineering investigation is: the testing means and method are used for carrying out investigation research and analysis judgment on the building site, researching the geological conditions of various engineering buildings and the influence of the construction on the natural geological environment; research the measures of ensuring the strength and stability of the foundation and preventing the foundation from having unallowable deformation when the foundation, the foundation and the upper structure work together; the bearing capacity of the foundation is provided, and engineering addresses and geotechnical engineering data required by foundation design and construction and foundation reinforcement are provided as necessary.

If the exploration work is not in place, the problem of poor engineering geology is revealed, and even if the design and construction of the superstructure reach high quality, the superstructure cannot be damaged. Different types and scales of engineering activities can bring different degrees of influence on geological environment; on the contrary, different geological conditions bring different effects to the engineering construction. The aim of geotechnical engineering investigation is mainly to find out engineering geological conditions, analyze existing geological problems and make engineering geological evaluation on building areas.

However, the existing drilling device cannot well distinguish the soil layer structure in the exploration of different rock-soil layers, such as a rock layer, a sand layer and a water-bearing layer, wherein the rock layer has more layers and the structure, the physical property and the rock hardness are different; meanwhile, in the drilling process, due to different soil layers, the drilling device can incline to a certain degree, so that the drilling angle also changes, when the drilling mechanism is higher or longer, the drilling device inclines, great errors can occur to the exploration data, the drilling device needs to be repositioned and drilled, the exploration cost is increased, and even the collapse of a drilling platform can be possibly caused, and engineering accidents occur.

Therefore, it is necessary to provide a drilling rig for geotechnical engineering exploration to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drilling rig for geotechnical engineering exploration, the drilling platform condition that can't in time discover when appearing inclining when having solved the exploration to in time modify the problem of drilling platform's error.

In order to solve the technical problem, the utility model provides a drilling rig for geotechnical engineering exploration, which comprises a frame body, a laser positioning detection device arranged on the frame body and a drilling device arranged on the frame body, wherein the frame body comprises supporting legs and a rectangular surrounding frame arranged on the supporting legs; the laser positioning detection device is provided with a plurality of laser transmitters distributed at a plurality of positions of the frame body, and comprises laser transmitters arranged on the supporting legs and laser receivers arranged outside the frame body, wherein the laser receivers are provided with round receiving areas.

Preferably, the drilling device comprises a drill rod which is pivotally arranged on the rectangular enclosing frame, a first driving device for driving the rotating rod to rotate and a lifting frame, the first driving device is arranged on the lifting frame, the driving end of the first driving device is connected with the drill rod, and the lifting frame can drive the bottom of the drill rod to move between a lifting position and a descending position.

Preferably, the rectangular enclosure frame is provided with a pivot hole, the drill rod is pivotally mounted in the pivot hole, and the pivot hole is provided with a plurality of rolling bearings.

Preferably, the periphery of the lower part of the drill rod is provided with a spiral thread.

Preferably, the drill rod includes that the pole main part and cover locate the loop bar of pole main part, the periphery wall interval of loop bar is equipped with a plurality of holes of permeating water that distribute along its length direction, the spiral line is equipped with the loop bar periphery wall.

Preferably, the top of the loop bar and the bar body are fixedly connected by welding or rivets.

Preferably, the crane comprises at least two lifting rods, a connecting frame arranged between the tops of the plurality of lifting rods and a second driving device used for driving the lifting rods to move, and the drilling device is arranged on the connecting frame.

Preferably, the bottom of the drill rod is provided with a guide frame, the middle of the guide frame is provided with a slide guide hole, and the diameter of the slide guide hole is larger than that of the drill rod.

Preferably, the bottom that leading truck and supporting legs contacted with ground is equipped with a plurality of overhead kick portions, the rear end of overhead kick portion extends upwards.

Compared with the prior art, the utility model provides a pair of drilling apparatus for geotechnical engineering exploration has following beneficial effect:

1. the utility model provides a drilling rig for geotechnical engineering exploration, through setting up a plurality of laser emission appearance at the support body and set up a plurality of laser receiving appearance that cooperate with laser emission appearance outside the support body, when using the drilling rig, open the laser emission appearance, laser emission appearance receives laser signal simultaneously, and through setting up the receiving area that is greater than the laser signal diameter, can normally move and the range of shaking at the support body, avoid sending the error signal; when the laser signal is separated from the receiving area, the laser receiver sends out an early warning signal, which indicates that the frame body is inclined or the drill rod meets large resistance, and the staff checks and detects the drilling device;

2. the utility model provides a drilling rig for geotechnical engineering exploration, through setting up the drilling rod and setting up the screw thread of drilling rod, while providing great drilling efficiency, also reduce the vibrations harm to the machine, set up the drilling rod to constitute by pole main part and loop bar simultaneously, can make the drilling rod survey the soil layer while, also can discover the aquifer better, make the application scope of the drilling rig wider;

3. the utility model provides a drilling rig for geotechnical engineering exploration sets up elevating platform and pivot at the frame and installs in the drilling rod of elevating platform, and the lower pressure of forcing through the elevating platform makes the drilling rod down creep, and its work efficiency is higher, also can reduce the vibrations to the frame simultaneously, and when taking place the displacement, can in time discover the adjustment.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of a drilling rig for geotechnical engineering exploration according to the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic cross-sectional view of a drill pipe;

fig. 4 is an enlarged view of part a.

Reference numbers in the figures: 1 is the support body, 10 is the supporting legs, 11 encloses the frame for the rectangle, 12 is the pivot hole, 20 is laser emission appearance, 21 is the laser receiver, 22 is the receiving area, 3 is the drilling rod, 31 is the spiral line, 32 is the loop bar, 33 is the pole main part, 34 is the hole of permeating water, 35 is first drive arrangement, 40 is the lifter, 41 is the link, 42 is the second drive arrangement, 5 is the leading truck, 50 is the guide sliding hole, 6 is the overhead kick portion.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic perspective view illustrating a preferred embodiment of a drilling device for geotechnical engineering exploration according to the present invention; fig. 2 is a schematic plan view of the present invention; FIG. 3 is a schematic cross-sectional view of a drill pipe; fig. 4 is an enlarged view of part a.

The utility model provides a pair of drilling rig for geotechnical engineering exploration, including support body 1, locate support body 1's laser positioning detection device and locate support body 1's drilling rig, support body 1 includes supporting legs 10 and locates the rectangle of supporting legs 10 and encloses frame 11; the laser positioning detection device is provided with a plurality of laser transmitters which are distributed at a plurality of positions of the frame body 1, the laser positioning detection device comprises laser transmitters 20 (of course, the laser transmitters 20 can also be arranged on the rectangular surrounding frame 11) which are arranged on the supporting legs 10 and laser receivers 21 which are arranged outside the frame body 1, and the laser receivers 21 are provided with circular receiving areas 22.

Further, the drilling device comprises a drill rod 3 which is pivotally arranged on the rectangular enclosing frame 11, a first driving device 35 for driving the rotating rod to rotate and a lifting frame, the first driving device 35 is arranged on the lifting frame, the driving end of the first driving device 35 is connected with the drill rod 3, and the lifting frame can drive the bottom of the drill rod 3 to move between a lifting position and a descending position. By the cooperation of the drill rod 3 and the crane, a predetermined position is drilled down.

Further, the rectangular enclosure frame 11 is provided with a pivot hole 12, the drill rod 3 is pivotally mounted in the pivot hole 12, and the pivot hole 12 is provided with a plurality of rolling bearings. Through the setting of antifriction bearing, reduce because of the vibrations when drilling of drilling rod 3 to drive arrangement's influence, also can provide stronger power for drilling rod 3 simultaneously.

Further, the outer circumference of the lower part of the drill rod 3 is provided with a helical thread 31. The arrangement of the spiral threads 31 can enable the drilling capability of the drill rod 3 to be stronger, and the drill rod can be suitable for different drilling environments.

Further, the drill rod 3 comprises a rod main body 33 and a sleeve rod 32 sleeved on the rod main body 33, a plurality of water permeable holes 34 distributed along the length direction of the sleeve rod 32 are formed in the peripheral wall of the sleeve rod 32 at intervals, and the peripheral wall of the sleeve rod 32 is formed on the spiral threads 31. While soil layer structures can be better connected through the water permeable holes 34, the water permeable holes 34 also have a better application range when water sources are explored.

Further, the top of the loop bar 32 and the bar main body 33 are fixedly connected by welding or rivets. By moving the loop bar 32 and the bar main body 33 integrally, soil layer distribution can be detected better.

Further, the lifting frame comprises at least two lifting rods 40, a connecting frame 41 arranged between the tops of the lifting rods 40 and a second driving device 42 used for driving the lifting rods 40 to move, the drilling device is arranged on the connecting frame 41, and the lifting frame drives the drill rod 3 to drill downwards.

Further, a guide frame 5 is arranged at the bottom of the drill rod 3, a slide guide hole 50 is arranged in the middle of the guide frame 5, and the diameter of the slide guide hole 50 is larger than that of the drill rod 3. Through the arrangement of the slide guiding hole 50, the phenomenon that excessive soil blocks or stones are adhered to the outer surface of the drill rod 3 to affect drilling can be reduced.

Further, the bottom of leading truck 5 and supporting legs 10 and ground contact is equipped with a plurality of overhead kick portions 6, the rear end of overhead kick portion 6 extends upwards. Through the barb portion 6 that upwards extends, can make leading truck 5 and supporting legs 10 insert more stably behind the soil layer, avoid improper removal.

The utility model provides a pair of drilling rig for geotechnical engineering exploration's theory of operation as follows: inserting the guide frame 5 and the supporting legs 10 into corresponding exploration positions, then installing the drill rod 3 and the lifting platform correspondingly, then arranging the laser transmitter 20 and the laser receiver 21, and opening the laser receiver 21 to correspond to the receiving area 22; the first drive means 35 and the second drive means 42 are activated and the drill rod 3 starts to drill, and if the drill rod 3 deviates from the actual vertical drilling hole, the drill rod 3 deviates when the deviation exceeds a predetermined value (determined by the size of the receiving area 22) and the frame 1 is displaced, and the laser signal deviates from the receiving area 22, the laser receiver gives an alarm.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (9)

1. The drilling rig for geotechnical engineering exploration is characterized by comprising a frame body (1), a laser positioning detection device arranged on the frame body (1) and a drilling device arranged on the frame body (1), wherein the frame body (1) comprises supporting feet (10) and a rectangular surrounding frame (11) arranged on the supporting feet (10); the laser positioning detection device is provided with a plurality of positions distributed on the frame body (1), and comprises a laser transmitter (20) arranged on the supporting legs (10) and a laser receiver (21) arranged outside the frame body (1), wherein the laser receiver (21) is provided with a receiving area (22) in a circular shape.

2. The drilling rig for geotechnical engineering exploration according to claim 1, wherein: the drilling device comprises a drill rod (3) which is pivotally arranged on a rectangular enclosing frame (11), a first driving device (35) and a lifting frame, wherein the first driving device (35) is used for driving the rotating rod to rotate, the first driving device (35) is arranged on the lifting frame, the driving end of the first driving device (35) is connected with the drill rod (3), and the lifting frame can drive the bottom of the drill rod (3) to move between a rising position and a falling position.

3. The drilling rig for geotechnical engineering exploration according to claim 2, wherein: the rectangular enclosure frame (11) is provided with a pivot hole (12), the drill rod (3) is pivotally mounted in the pivot hole (12), and the pivot hole (12) is provided with a plurality of rolling bearings.

4. The drilling rig for geotechnical engineering exploration according to claim 2, wherein: the periphery of the lower part of the drill rod (3) is provided with a spiral thread (31).

5. The drilling rig for geotechnical engineering exploration according to claim 4, wherein: the drill rod (3) comprises a rod main body (33) and a sleeve rod (32) sleeved on the rod main body (33), a plurality of water permeable holes (34) distributed along the length direction of the rod main body are formed in the peripheral wall of the sleeve rod (32) at intervals, and the peripheral wall of the sleeve rod (32) is arranged on the spiral threads (31).

6. The drilling rig for geotechnical engineering exploration according to claim 5, wherein: the top of the loop bar (32) is fixedly connected with the bar main body (33) through welding or rivets.

7. The drilling rig for geotechnical engineering exploration according to claim 2, wherein: the lifting frame comprises at least two lifting rods (40), a connecting frame (41) arranged between the tops of the lifting rods (40) and a second driving device (42) used for driving the lifting rods (40) to move, and the drilling device is arranged on the connecting frame (41).

8. The drilling rig for geotechnical engineering exploration according to claim 2, wherein: the drill rod structure is characterized in that a guide frame (5) is arranged at the bottom of the drill rod (3), a guide sliding hole (50) is formed in the middle of the guide frame (5), and the diameter of the guide sliding hole (50) is larger than that of the drill rod (3).

9. The drilling rig for geotechnical engineering exploration according to claim 8, wherein: the bottom that leading truck (5) and supporting legs (10) contacted with ground is equipped with a plurality of overhead kick portions (6), the rear end of overhead kick portion (6) extends up.

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