CN216305824U

CN216305824U - Rotary drilling rig convenient for efficient operation of impurity absorption

Info

Publication number: CN216305824U
Application number: CN202122111457.8U
Authority: CN
Inventors: 申建军
Original assignee: Lianyungang Qianfeng Machinery Co ltd
Current assignee: Lianyungang Qianfeng Machinery Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-15
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig convenient for absorbing impurities to perform high-efficiency operation. According to the utility model, when the rotary drilling rig main body drives the drill rod and the drill bit to rotate and slide up and down along the power head, the scraper is extruded by the spring to be in frictional contact with the outer wall of the drill rod, impurities such as splashed outer wall of the drill rod and attached slurry are scraped, and the scraped impurities such as slurry are conveyed into the collection box to be collected, so that automatic cleaning is realized to replace manual cleaning, the cleaning efficiency and the cleaning effect are obviously improved, the integrity of the power head and the drill rod of the rotary drilling rig is effectively protected, the service life of equipment is prolonged, and the use effect is obviously improved.

Description

Rotary drilling rig convenient for efficient operation of impurity absorption

Technical Field

The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig convenient for impurity absorption and efficient operation.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, the method is widely applied to foundation construction of various foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like, can use various bottom layers, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, can carry out dry excavation operation by using a short spiral drill bit, can also carry out wet excavation operation by using a rotary drill bit under the condition of mud retaining walls, can carry out hole excavation operation after drilling hard strata by matching with a hammer, if the drilling machine is matched with a drill with an enlarged head, hole enlarging operation can be carried out at the bottom of a hole, the rotary drilling rig adopts a plurality of layers of telescopic drill rods, the drilling auxiliary time is short, the labor intensity is low, mud circulation is not needed for deslagging, the cost is saved, and the rotary drilling rig is particularly suitable for basic construction of urban construction.

When the rotary drilling rig in the prior art is used for drilling, impurities such as slurry are very easy to adhere to a drill rod and need to be manually cleaned, the cleaning efficiency is low, the effect is poor, if the impurities such as sand in the slurry cannot be timely cleaned enter a power head, internal parts of the power head are damaged, the drill rod is also damaged to a certain extent, the service life of equipment is influenced, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a rotary drilling rig which is convenient for absorbing impurities and operates efficiently.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a dig rig soon convenient to high-efficient operation of impurity absorption, including digging the rig main part soon, it includes the mast to dig the rig main part soon, the drilling rod, drill bit and unit head, the drilling rod is located the unit head middle part and rather than frictional contact, it is equipped with two piece that return to be the longitudinal symmetry structure on the unit head, it has set firmly two supporting shoes to return the piece inner wall to be bilateral symmetry structure, it rotates and is connected with two scrapers to be symmetrical structure around being on the piece that returns, it has set firmly two fixed blocks all to be bilateral symmetry structure at both ends around the piece upper surface to return, fixed block upper end inside has set firmly the spring.

Preferably, the upper surface of the scraper blade at the upper end is fixedly provided with a check block, the inner part of the lower end of the check block is rotatably connected with an auger, the right end of the auger penetrates through the inner wall of the check block, extends to the outer wall and is sleeved with a belt pulley, the front end of the right wall of the circular block at the upper end is provided with a motor through a mounting seat, and the right end of the check block is fixedly provided with a conveying pipe.

Preferably, the scraping plate is clamped and matched with the outer wall of the drill rod and is in sliding connection with the drill rod, the supporting block is fixedly connected with the power head, the inner side of the spring positioned at the upper end is fixedly connected with the stop block, the inner side of the spring positioned at the lower end is fixedly connected with the scraping plate positioned at the lower end, the motor is coaxially connected with the auger positioned at the front end, and the belt wheel positioned at the front end is in friction transmission with the belt wheel positioned at the right end through a belt.

Preferably, the upper end of the left wall of the power head is fixedly provided with a trapezoidal block, the upper end of the trapezoidal block is connected with a collecting box in a clamping manner, the bottom surface of the trapezoidal block is connected with an adjusting hand wheel through a threaded hole, and the upper end of the right wall of the collecting box is provided with two slots which are in a front-back symmetrical structure.

Preferably, the nut end of the adjusting hand wheel is tightly pressed with the collecting box, and the slot is in inserting fit with the conveying pipe.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, when the rotary drilling rig main body drives the drill rod and the drill bit to rotate and slide up and down along the power head, the scraper is extruded by the spring to be in frictional contact with the outer wall of the drill rod, impurities such as splashed mud and the like on the outer wall of the drill rod are scraped, the scraper at the upper end scrapes the impurities such as the mud and the like and then falls into the lower end of the stop block, the auger and the belt wheel at the front end are driven to rotate by the motor, the belt wheel and the auger at the rear end are driven to synchronously rotate by friction of the belt, the impurities such as the mud and the like in the lower end of the stop block are conveyed into the conveying pipe, and the conveying pipe conveys the scraped impurities such as the mud and the like into the collection box through the auger to be collected. The problem of need artifical manual clearance, the cleaning efficiency is low poor in effect, if impurity such as sand in the mud gets into the unit head in time can not clear up, not only damaged the unit head internals, also have certain damage to the drilling rod, influence equipment life, the not good enough problem of result of use, automatic clearance has been realized and manual clearance has been replaced, showing and improving cleaning efficiency and clearance effect, effectively protected the unit head of rotary drilling rig and the integrality of drilling rod, the life of equipment has been prolonged, the result of use is showing and promotes.

2. According to the utility model, the scraper and the stop block are extruded by the spring, so that the scraper is in closer contact with the drill rod, impurities such as slurry attached to the drill rod are scraped cleanly, the impurities such as slurry are conveniently conveyed and collected by the auger, the conveying blockage is avoided, the conveying effect is improved, the quick installation and disassembly of the collecting box are facilitated by the use of the adjusting hand wheel and the trapezoidal block, the structure is simple, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic diagram of a power head configuration according to the present invention;

FIG. 3 is a cross-sectional view of the clip block structure of the present invention;

fig. 4 is a schematic structural view of the collecting box of the present invention.

The reference numbers in the figures illustrate: 1. a main body of the rotary drilling rig; 2. a mast; 3. a drill stem; 4. a drill bit; 5. a power head; 6. a returning block; 7. a support block; 8. a squeegee; 9. a fixed block; 10. a spring; 11. a stopper; 12. a packing auger; 13. a pulley; 14. a motor; 15. a delivery pipe; 16. a belt; 17. a trapezoidal block; 18. a collection box; 19. adjusting a hand wheel; 20. and (4) a slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example 1

As shown in fig. 1-3, a rotary drilling rig convenient for absorbing impurities for efficient operation comprises a rotary drilling rig main body 1, wherein the rotary drilling rig main body 1 comprises a mast 2, a drill rod 3, a drill bit 4 and a power head 5, the drill rod 3 is positioned in the middle of the power head 5 and in friction contact with the power head 5, two circular blocks 6 are arranged on the power head 5 in an up-down symmetrical structure, two supporting blocks 7 are fixedly arranged on the inner wall of each circular block 6 in a bilateral symmetrical structure, two scrapers 8 are rotatably connected to the circular blocks 6 in a front-back symmetrical structure, two fixed blocks 9 are fixedly arranged on the front and back ends of the upper surface of each circular block 6 in a bilateral symmetrical structure, and springs 10 are fixedly arranged inside the upper ends of the fixed blocks 9.

The upper surface of the scraper 8 at the upper end is fixedly provided with a stop block 11, the lower end of the stop block 11 is internally and rotatably connected with an auger 12, the right end of the auger 12 penetrates through the inner wall of the stop block 11, extends to the outer wall and is sleeved with a belt pulley 13, the front end of the right wall of the return block 6 at the upper end is provided with a motor 14 through a mounting seat, and the right end of the stop block 11 is fixedly provided with a conveying pipe 15.

The scraping plate 8 is in clamping fit with the outer wall of the drill rod 3 and is in sliding connection with the drill rod, the supporting block 7 is fixedly connected with the power head 5, the inner side of the spring 10 at the upper end is fixedly connected with the stop block 11, the inner side of the spring 10 at the lower end is fixedly connected with the scraping plate 8 at the lower end, the motor 14 is coaxially connected with the auger 12 at the front end, and the belt wheel 13 at the front end is in friction transmission with the belt wheel 13 at the right end through the belt 16.

The working principle of the utility model is that when the rotary drilling rig main body 1 drives the drill rod 3 and the drill bit 4 to rotate and slide up and down along the power head 5, the scraper 8 is extruded by the spring 10 to be in frictional contact with the outer wall of the drill rod 3, impurities such as splashed mud and attached mud on the outer wall of the drill rod 3 are scraped, the scraper 8 at the lower end directly falls into the lower end after scraping the impurities such as mud, the scraper 8 at the upper end drops into the lower end of the stop block 11 after scraping the impurities such as mud, the auger 12 at the front end and the belt wheel 13 at the front end are driven to rotate by the motor 14, the belt 16 is used for friction transmission to the belt wheel 13 at the rear end and the auger 12 at the rear end to synchronously rotate, when the scraper 8 and the stop block 11 rotate to different inclination angles, the belt 16 with different lengths can provide power for the belt wheel 13 at the rear end, and the impurities such as mud and the like in the lower end of the stop block 11 are conveyed into the conveying pipe 15, the impurities such as mud after scraping are prevented from falling into the power head 5, and the integrity of the power head 5 and the drill rod 3 is effectively protected.

Example 2

As shown in fig. 4, on the basis of embodiment 1, a trapezoidal block 17 is fixedly arranged at the upper end of the left wall of the power head 5, a collection box 18 is clamped at the upper end of the trapezoidal block 17, an adjusting hand wheel 19 is connected to the bottom surface of the trapezoidal block 17 through a threaded hole and a thread, and two slots 20 are formed in the upper end of the right wall of the collection box 18 in a front-back symmetrical structure.

The nut end of the adjusting handwheel 19 is tightly pressed with the collecting box 18, and the slot 20 is inserted and matched with the delivery pipe 15.

During the use, conveyer pipe 15 will scrape impurity such as mud after through auger 12 and carry to collecting box 18 inside and collect, collect and accomplish back rotation adjusting hand wheel 19 and will collect box 18 and trapezoidal block 17 separation, collect box 18 and pass through slot 20 and conveyer pipe 15 sliding separation, take off collect box 18 and empty can, reverse operation above-mentioned step can accomplish the installation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a dig rig soon convenient to absorb high-efficient operation of impurity, includes and digs rig main part (1) soon, its characterized in that: dig rig main part (1) soon and include mast (2), drilling rod (3), drill bit (4) and unit head (5), drilling rod (3) are located unit head (5) middle part and rather than frictional contact, be up about symmetrical structure on unit head (5) and be equipped with two return block (6), return block (6) inner wall is bilateral symmetry structure and has set firmly two supporting shoes (7), symmetrical structure rotates around being on return block (6) and is connected with two scraper blades (8), return block (6) upper surface front and back both ends and all be bilateral symmetry structure and have set firmly two fixed blocks (9), fixed block (9) upper end inside has set firmly spring (10).

2. The rotary drilling rig convenient for impurity absorption efficient operation according to claim 1, characterized in that: be located the upper end scraper blade (8) upper surface has set firmly dog (11), dog (11) lower extreme internal rotation is connected with auger (12), auger (12) right-hand member passes dog (11) inner wall and extends to the outer wall and has cup jointed band pulley (13), is located the upper end return type piece (6) right side wall front end and installs motor (14) through the mount pad, dog (11) right-hand member has set firmly conveyer pipe (15).

3. The rotary drilling rig convenient for impurity absorption efficient operation according to claim 2, characterized in that: scraper blade (8) and drilling rod (3) outer wall joint cooperation and rather than sliding connection, supporting shoe (7) are connected fixedly with unit head (5), are located the upper end spring (10) inboard is connected fixedly with dog (11), is located the lower extreme spring (10) inboard is connected fixedly with scraper blade (8) that are located the lower extreme, motor (14) and auger (12) coaxial coupling that are located the front end band pulley (13) are through belt (16) and band pulley (13) friction drive that are located the right-hand member.

4. The rotary drilling rig convenient for impurity absorption efficient operation according to claim 3, characterized in that: the power head (5) left side wall upper end has set firmly trapezoidal piece (17), trapezoidal piece (17) upper end joint has collection box (18), trapezoidal piece (17) bottom surface has adjusting hand wheel (19) through screw hole threaded connection, collect box (18) right side wall upper end and be front and back symmetrical structure and seted up two slots (20).

5. The rotary drilling rig convenient for impurity absorption efficient operation according to claim 4, characterized in that: the nut end of the adjusting hand wheel (19) is tightly pressed with the collecting box (18), and the inserting groove (20) is in inserting fit with the conveying pipe (15).