阅读说明：本技术 一种岩土工程勘察用的钻探防跑偏装置及使用方法 (Drilling deviation prevention device for geotechnical engineering investigation and using method ) 是由 孙学巍 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种岩土工程勘察用的钻探防跑偏装置及使用方法,包括钻杆,所述钻杆上设置有能随其运动的纠偏装置,此岩土工程勘察用的钻探防跑偏装置及使用方法,通过纠偏盘与钻杆之间类似于螺纹连接的方式连接,在钻杆钻入的过程中通过螺牙的限制来使纠偏盘随其转动,不仅将倾斜趋势产生的较大压力转移到纠偏盘上,还通过纠偏盘与导向限位轮的转动连接来降低摩擦,从而延长其纠偏的使用寿命,使其长期使用也不会影响纠偏效果。(The invention discloses a drilling deviation-preventing device for geotechnical engineering investigation and a use method thereof, wherein the device comprises a drill rod, wherein a deviation-correcting device capable of moving along with the drill rod is arranged on the drill rod.)

1. The utility model provides a centring device is prevented in probing of geotechnical engineering reconnaissance usefulness, includes drilling rod (1), its characterized in that: the drill rod (1) is provided with a deviation correcting device (2) capable of moving along with the drill rod.

2. The drilling deviation preventing device for geotechnical engineering investigation of claim 1, wherein: deviation correcting device (2) include retainer plate (3), all be connected with multiunit solid fixed angle board (4) about retainer plate (3), just all rotate between two solid fixed angle board (4) that the top and bottom of retainer plate (3) is adjacent and be connected with direction spacing wheel (5), multiunit roll connection has the dish (6) of rectifying a deviation of being connected with drilling rod (1) between the direction spacing wheel (5), still be provided with three at least group's level bubble (7) on retainer plate (3), just still be provided with debris clearing device (8) on retainer plate (3).

3. The drilling deviation preventing device for geotechnical engineering investigation of claim 2, wherein: the sundries removing device (8) comprises a fixing plate (9) fixedly mounted on the deviation rectifying disc (6), a sundries guide plate (10) is connected to the bottom of the fixing plate (9), scraping plates (11) are connected to the upper end and the lower end of the sundries guide plate (10), and two groups of linkage cleaning devices (12) are further connected to the fixing ring (3).

4. The drilling deviation preventing device for geotechnical engineering investigation of claim 3, wherein: linkage cleaning device (12) is including installing installation piece (13) on rectifying dish (6), it is connected with cleaning roller (14) to rotate on installation piece (13), the one end of cleaning roller (14) is provided with rotates linkage wheel (15) of being connected with drilling rod (1), be connected with multiunit brush hair (16) on cleaning roller (14).

5. The drilling deviation preventing device for geotechnical engineering investigation of claim 4, wherein: a conical table (17) is further arranged right below the fixing ring (3), and a through hole (18) is formed in the conical table (17).

6. The drilling deviation preventing device for geotechnical engineering investigation of claim 5, wherein: a gap of 0.2mm-0.5mm is arranged between the sundries guide plate (10) and the drill rod (1).

7. The drilling deviation preventing device for geotechnical engineering investigation of claim 6, wherein: one end of the cleaning roller (14) is also connected with a T-shaped block (19), and an elastic part (20) is arranged between the T-shaped block (19) and the linkage wheel (15).

8. The drilling deviation preventing device for geotechnical engineering investigation of claim 7, wherein: and a plurality of groups of lightening holes (21) are formed on the deviation rectifying disc (6).

9. The use method of the drilling deviation-preventing device for the geotechnical engineering investigation, which is used according to the claim 8, is characterized in that; the method comprises the following steps:

firstly, placing a conical table (17) to a position to be explored;

step two, correcting the horizontal position of the fixing ring (3) and fixing the fixing ring on the ground;

and step three, extending a drill rod (1) of the drilling machine into the deviation rectifying disc to start drilling.

Technical Field

The invention relates to the technical field of drilling auxiliary devices, in particular to a drilling deviation prevention device for geotechnical engineering investigation and a using method thereof.

Background

The current geotechnical engineering investigation is the activity of finding out, analyzing and evaluating geology and environmental characteristics of a construction site and geotechnical engineering condition compiling investigation files, is vital to building construction engineering, along with the development of economy, the urban construction speed is accelerated, the building construction is more and more, the geotechnical engineering investigation demand is gradually increased, and the equipment is continuously updated and perfected.

When the exploration operation, the condition of drill bit probing off tracking appears very easily, especially when boring on some firm inclined planes, the drill bit can receive the yawing force, the drilling rod is longer, the drilling off tracking can seriously influence the life of the drilling rod on the probing, and current orthotic devices all are the correction of going on horizontal position before the probing, and restrict the off tracking of drilling rod through an annular ring, but because the skew of drilling rod can make the frictional force that a certain position of annular ring received great, influence the drilling rod life-span promptly and make the annular ring use back error great many times again, can not carry out effectual off tracking of preventing in the inclined plane probing. Therefore, the drilling deviation prevention device for geotechnical engineering investigation and the using method thereof are provided.

Disclosure of Invention

The invention aims to provide a drilling deviation-preventing device for geotechnical engineering investigation, which moves along with a drill rod so as to reduce friction and prolong the service life, and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a deviation device is prevented in probing that geotechnical engineering reconnaissance was used, includes the drilling rod, be provided with the deviation correcting device that can follow its motion on the drilling rod.

Preferably, the deviation correcting device comprises a fixing ring, a plurality of groups of fixing angle plates are connected to the upper surface and the lower surface of the fixing ring respectively, a guiding limit wheel is connected between two adjacent fixing angle plates of the upper surface and the lower surface of the fixing ring in a rotating mode, a plurality of groups of deviation correcting discs connected with the drill rod are connected between the guiding limit wheels in a rolling mode, at least three groups of horizontal bubbles are further arranged on the fixing ring, a sundry removing device is further arranged on the fixing ring, the deviation correcting discs can rotate along with the drill rod, and the deviation correcting discs are limited by the guiding limit wheels all the time, so that the deviation.

Preferably, debris clearing device includes the fixed plate of fixed mounting on the dish of rectifying, the bottom of fixed plate is connected with the debris deflector, the last lower extreme of debris deflector all is connected with the scraper blade, just still be connected with two sets of linkage cleaning device on the fixed ring, because the drilling rod when rotating, material such as ground can rise along with the screw tooth, can cause the interference to the dish of rectifying, consequently outwards derives through the debris deflector.

Preferably, linkage cleaning device is including installing the installation piece on rectifying the dish, it cleans the roller to rotate to be connected with on the installation piece, the one end that cleans the roller is provided with rotates the linkage wheel of being connected with the drilling rod, it is connected with the multiunit brush hair on the roller to clean, because the great debris can only be cleared up to the debris deflector, and attached to the granule on the thread etc. and easily influence the drilling rod and rectify and be connected between the dish, be convenient for clear up through cleaning the roller and fall.

Preferably, a conical table is further arranged right below the fixing ring, a through hole is formed in the conical table, and the conical table guides sundries to a far distance to prevent the sundries from being accumulated too much right below the device.

Preferably, a 0.2mm-0.5mm gap is formed between the sundry guide plate and the drill rod, so that large friction caused by direct contact is avoided.

Preferably, one end of the cleaning roller is further connected with a T-shaped block, an elastic piece is arranged between the T-shaped block and the linkage wheel, and the linkage wheel may slide relative to the drill rod due to contact between the linkage wheel and the drill rod, so that the linkage wheel is damaged and cannot be contacted, and linkage cannot be achieved.

Preferably, the deviation correcting disc is provided with a plurality of groups of weight reducing holes, so that the mass of the deviation correcting disc is reduced.

Preferably, the use method of the drilling deviation preventing device for geotechnical engineering investigation comprises the following steps:

placing a conical table to a position to be explored;

step two, correcting the horizontal position of the fixing ring, and fixing the fixing ring on the ground;

and step three, extending a drill rod of the drilling machine into the deviation rectifying disc to start drilling.

Compared with the prior art, the invention has the beneficial effects that:

the deviation correcting disc and the drill rod are connected in a manner similar to threaded connection, the deviation correcting disc rotates along with the drill rod through the limitation of the screw threads in the drilling process of the drill rod, large pressure generated by inclination trend is transferred to the deviation correcting disc, friction is reduced through the rotating connection of the deviation correcting disc and the guide limiting wheel, and therefore the service life of deviation correction is prolonged, and the deviation correcting effect cannot be influenced even if the deviation correcting disc is used for a long time.

Drawings

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

FIG. 2 is a schematic view of a half-section structure of a fixing ring and a deviation rectifying disc;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2;

FIG. 4 is a schematic view of the bottom structure of the deviation rectifying plate;

FIG. 5 is a cross-sectional structural view of a drill pipe;

FIG. 6 is a schematic view of the overall structure of the linkage cleaning device;

fig. 7 is an enlarged view of the structure of region B in fig. 6.

In the figure: 1-a drill rod; 2-a deviation correcting device; 3-a fixed ring; 4-fixing the angle plate; 5-guiding a limiting wheel; 6-a deviation rectifying disc; 7-horizontal bubble; 8-sundry removing device; 9-fixing the plate; 10-sundry guide plates; 11-a scraper; 12-a linkage cleaning device; 13-a mounting block; 14-a cleaning roller; 15-a linkage wheel; 16-bristles; 17-a conical table; 18-a through hole; a 19-T shaped block; 20-an elastic member; and 21-lightening holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a drilling deviation-preventing device for geotechnical engineering investigation comprises a drill rod 1, wherein a deviation-correcting device 2 capable of moving along with the drill rod 1 is arranged on the drill rod 1, the deviation-correcting device 2 comprises a fixing ring 3, a plurality of groups of fixing angle plates 4 are connected to the upper surface and the lower surface of the fixing ring 3, a guide limiting wheel 5 is rotatably connected between two adjacent fixing angle plates 4 on the upper surface and the lower surface of the fixing ring 3, the fixing angle plates 4 are used for fixing the guide limiting wheel 5 to enable the guide limiting wheel to be rotatably connected, a plurality of groups of deviation-correcting discs 6 connected with the drill rod 1 are rotatably connected among the guide limiting wheels 5, a groove matched with a thread on the drill rod 1 is arranged in the center of each deviation-correcting disc 6, namely, the groove is equivalent to a threaded connection mode between the drill rod and the deviation-correcting disc, because the drill rod 1 rotates and moves in the up-down direction when drilling, a traditional annular ring limits and prevents movement, because the rotation of the drill rod 1 is more than up and down, the main friction loss comes from the rotation, the friction can not be generated when the drill rod rotates through the connection mode of the thread, when the drill rod moves in the up and down direction, the deviation correcting disc 6 is rotated by the lateral force generated by the thread inclined plane on the drill rod 1, the long-time friction can not be generated on a certain position of the deviation correcting disc 6 due to the lateral force generated during drilling, the lateral force is transferred between the deviation correcting disc 6 and the guide limiting wheel 5 through the deviation correcting disc 6, and the deviation correcting disc 6 and the guide limiting wheel are in rolling connection, so the loss is smaller, the service life is longer, the deviation correcting disc 6 always rotates in a stable state, the stability of the drill rod 1 is kept, at least three groups of the guide limiting wheels 5 are arranged, the stable limit guidance can be kept, the deviation correction is facilitated, the diameters of the upper end and the lower end of the guide limiting wheel 5, the cross section of the device is I-shaped, the upper end and the lower end limit the upper position and the lower position of the deviation-correcting disc 5, the deviation-correcting disc 6 is connected with the deviation-correcting disc 5 in a rolling way to limit the position of the deviation-correcting disc, a plurality of groups of lightening holes 21 are arranged on the deviation-correcting disc 6, since the deviation correcting disc 6 causes energy loss due to the rotation of the drill rod 1, the weight is reduced by the lightening holes 21 to reduce the loss, the fixing ring 3 is also provided with at least three groups of horizontal bubbles 7, the three groups of horizontal bubbles 7 are more convenient for correcting the device to ensure that the device is in a vertical state, the fixing ring 3 is also provided with a sundries removing device 8, because the drill rod 1 is connected with the deviation correcting disc 6 by similar threads, impurities can affect the sliding between the drill rod and the deviation correcting disc 6, the deviation correcting precision of the deviation correcting disc 6 is reduced in the past, and the fixing device (not shown) is further arranged on the fixing ring 3, so that the fixing ring 3 is fixed on the ground and is kept stable.

Wherein, the sundries removing device 8 comprises a fixed plate 9 fixedly arranged on the deviation rectifying disc 6, the bottom of the fixed plate 9 is connected with a sundries guide plate 10, because the rock and soil and other substances can rise along with the spiral line when the drill rod 1 is drilled, and are discharged to the ground, because the deviation rectifying position is better as being closer to the ground, impurities can enter into the connecting gap between the deviation rectifying disc 6 and the drill rod 1 along with the spiral line, the sundries guide plate 10 is positioned in the screw groove, one side of the sundries guide plate 10 is a circular arc surface, which is convenient for leading out sundries, the upper end and the lower end of the sundries guide plate 10 are both connected with a scraping plate 11, because a small amount of sundries are possible outside the screw teeth, and are scraped by the scraping plate 11, and the fixed ring 3 is also connected with two groups of linkage cleaning devices 12, the two groups of which respectively clean the two surfaces of the screw teeth, the number is only for the drill rod 1 with single, be provided with 0.2mm-0.5mm clearance between debris deflector 10 and the drilling rod 1, because debris deflector 10 shovels debris completely then need with drilling rod 1 contact, consequently can produce great wearing and tearing, set up the distance and avoid wearing and tearing, set up less and be convenient for detach more debris, still be provided with tapered platform 17 under retainer plate 3, through hole 18 has been seted up on tapered platform 17, because the direction of pivoted centrifugal force and debris deflector 10 makes debris can fly out the distance of a segment, and tapered platform 17 then better will fall to the ground debris direction more far away soon, prevent near piling up, through hole 18 is convenient for the drilling rod to bore into ground.

In addition, linkage cleaning device 12 is including installing installation piece 13 on rectifying a deviation 6, it is connected with cleaning roller 14 to rotate on installation piece 13, cleaning roller 14's one end is provided with rotates the linkage wheel 15 of being connected with drilling rod 1, thereby linkage wheel 15 can make cleaning roller 14 rotate with drilling rod 1 roll connection, and the direction of rotation is opposite along the ascending direction of motion of helix with debris, cleaning roller 14 is last to be connected with multiunit brush hair 16, makes attached to the granule debris on drilling rod 1 surface swept away by brush hair 16, and the preferred steel wire that sets up of spiral of brush hair 16, the preferred rubber tyer of drive impurity that can be better because elasticity makes its loss reduce, and the preferred rubber tyer of linkage wheel 15, and the wearability is good and coefficient of friction is big.

One end of the cleaning roller 14 is also connected with a T-shaped block 19, an elastic part 20 is arranged between the T-shaped block 19 and the linkage wheel 15, and the linkage wheel 15 can not be well attached to the drill rod 1 after friction loss to realize linkage, so that the linkage wheel 15 is always attached to the drill rod through the elastic part 20 to ensure the transmission stability, the linkage wheel 15 is further inserted into the cleaning roller 14, and the rest of the T-shaped block 19 is clamped between the cleaning rollers 14 to facilitate replacement.

The using method comprises the following steps: firstly, placing the conical table 17 to a position to be explored and drilled, then fixing the conical table on the ground through a fixing device on the fixing ring 3, determining the levelness of the fixing ring 3 through the horizontal bubble 7 during fixing, then directly aligning the drill rod 1 to the central axis of the deviation rectifying disc 6, moving the drill rod 1 downwards to extend into the deviation rectifying disc 6 and penetrate through the deviation rectifying disc, and finally starting a motor on a drilling machine to drill.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.