CN108915606B - Mounting base of driving device of full-rotation casing drilling machine - Google Patents

Abstract

The invention discloses a mounting base of a driving device of a full-rotation casing drilling machine, which comprises an inner sealing plate assembly, an outer sealing plate assembly, an upper cover plate assembly, a lower cover plate assembly and a cylinder column mounting seat assembly, wherein the inner sealing plate assembly and the outer sealing plate assembly comprise an inner sealing cylinder, and side sealing plates, a left end sealing plate, a right end sealing plate and a connecting flange are arranged on the periphery of the outer side of the inner sealing cylinder; the upper cover plate assembly and the lower cover plate assembly comprise an upper cover plate fixed at the upper end of the inner sealing plate assembly and a lower cover plate fixed at the lower end of the inner sealing plate assembly, the number of the cylinder column installation seat assemblies is 4, each cylinder column installation seat assembly comprises a column installation seat, a supporting leg cylinder installation seat, a U-shaped plate and a reinforcing plate, and the invention adopts various structure reinforcing structures through structural size optimization and reasonable design and maintainability design of the relative positions of key parts, thereby effectively improving the structural strength and structural stability of the base, providing guarantee for the operation stability and reliability of equipment and improving convenience for maintenance and overhaul. The device has the advantages of simple structure, good rigidity, strong bearing capacity, reliable use and good maintainability.

Description

A full-rotation casing drilling rig driving device mounting base

Technical field

The invention relates to a special mounting base, in particular, a mounting base for a full-rotation casing drilling rig driving device suitable for use in complex geological environments such as quicksand, karst caves, rock formations, pebbles, and reinforced concrete components.

Background technique

The full-rotation casing drilling rig can be adapted to safe, high-quality and efficient drilling construction in complex geological environments such as quicksand, karst caves, rock formations, pebbles, reinforced concrete components, etc., and is used in urban subways, deep foundation pits to protect bite piles, waste piles and underground It has been widely used in projects such as obstacle clearing, high-speed railways, roads and bridges, urban construction pile construction, reservoir and dam reinforcement, etc. As one of the important assemblies of a full-rotation casing drilling rig, the driving device’s installation base is the installation and positioning basis for the entire driving device. It is an important guarantee for ensuring the verticality of the drill pipe drilled. It is also the pressure and pull-out force of the drill pipe and the reaction of rotational cutting. The final bearing body of torque plays an important role in ensuring the working performance of the driving device. Therefore, it is necessary to design an installation base with good structural rigidity, strong load-bearing capacity, and effective guarantee of drilling verticality accuracy.

Contents of the invention

Technical Problem: The purpose of the present invention is to overcome the deficiencies in the prior art and provide a fully rotary casing drill driving device mounting base with compact structure, good structural rigidity, strong load-bearing capacity, and the ability to ensure drilling verticality.

Technical solution: The mounting base of the driving device of the full-rotation casing drilling rig of the present invention includes an inner and outer sealing plate assembly, an upper and lower cover plate assembly and a cylinder mounting seat assembly. The inner and outer sealing plate assembly includes an inner sealing cylinder, which is arranged on There are two first side sealing plates, four second side sealing plates, left end sealing plates, right end sealing plates and 8 connecting flanges around the outside of the inner sealing cylinder; coaxial square through-holes are processed on the front and rear walls of the inner sealing cylinder. hole; the two ends of the first side sealing plate are respectively connected to a second side sealing plate through connecting flanges, and a square hole coaxial with the square through hole on the inner sealing cylinder is processed on the first side sealing plate, and the said Both ends of the left end sealing plate and the right end sealing plate are fixedly provided with connecting flanges;

The upper and lower cover plate assembly includes an upper cover plate fixed on the upper end of the inner and outer sealing plate assembly and a lower cover plate fixed on the lower end of the inner and outer sealing plate assembly. The upper cover plate includes a concave plate, two corner cover plates, and a right end cover. plate and two middle cover plates, the concave plate is located in the middle of the left end, and is fixedly connected to the inner sealing tube, the left end sealing plate and the two corner cover plates; the two corner cover plates have the same structural dimensions, and the two corner cover plates are Both are processed with circular through holes and square through holes, and the two right-angle end faces of the two corner cover plates are processed with "L" shaped notches for setting the connecting flanges; the right end cover plate is processed with two There are circular through holes and 3 square through holes. The projection of the left end surface of the right end cover on the horizontal plane includes 5 straight lines and two arc curves. The other 3 end surfaces of the right end cover are all processed with connecting flanges. The "L" shaped gap; the two middle cover plates have the same structural dimensions. The projection of the inner end surface of the middle cover plate on the horizontal plane is a curve composed of a straight line and an arc line. The left and right end surfaces are parallel to each other. The projection of the cover plate on the vertical plane of the left and right end faces is a trapezoid, and the middle cover plate is fixedly connected to the right end cover plate, the inner sealing cylinder, the corner cover plate, and the first side sealing plate at the same time; the lower cover plate is processed from a steel plate to be symmetrical from front to back. Structure, a large through hole is processed in the middle, the projection of the inner surface on the horizontal plane is a closed curve including multiple straight segments and arc lines, and a circular through hole is processed at each of the four corners of the lower cover plate;

There are 4 cylinder column mounting seat assemblies in total. Each cylinder column mounting seat assembly includes a column mounting seat, a leg cylinder mounting seat, a U-shaped plate and a second reinforcing plate. The column mounting seat is fixed on the corner cover. In the circular through hole of the plate, a plurality of threaded blind holes are evenly distributed in the circumferential direction on the upper end surface of the column mounting seat. The outrigger cylinder mounting seat is fixed on the lower surface of the column mounting seat. The lower end of the outrigger cylinder mounting seat There are a plurality of threaded blind holes evenly distributed in the circumferential direction on the upper part, and the U-shaped plate is fixedly connected to the column mounting seat, the lower cover plate and the second side sealing plate at the same time; the reinforcement plate is processed with circular through holes. The inner surface of the through hole is fixedly connected to the outrigger cylinder mounting seat, and the reinforcing plate is fixedly connected to the U-shaped plate and the second side sealing plate.

The inner sealing cylinder is rolled from a steel plate into a front-to-back symmetrical annular cylinder. The projection of the inner sealing cylinder on the horizontal plane is a closed annular curve. The closed annular curve includes two front and rear large arc lines, 6 straight line segments and 4 filter arc segments. line, where the left and right straight segments are parallel to each other and perpendicular to the front and rear symmetry planes of the cylinder. The projection of the inner sealing cylinder on the front and back symmetry planes is a polygon composed of a trapezoid and a rectangle.

Four ribs are fixed between each connecting flange and the upper cover plate.

Four lifting lugs are fixed on the upper cover plate.

A first maintenance flange is fixedly provided in the square holes in the corner cover plate and the right end cover plate, and a second maintenance flange is fixedly provided in the small square hole in the middle of the right end cover plate.

A U-shaped thin plate and two L-shaped thin plates are fixed on the lower cover plate.

Four first triangular ribs are fixed between the lower cover plate and the right inner wall surface of the inner sealing tube.

Four second triangular ribs and two third triangular ribs are fixed between the lower cover and the left inner wall of the inner sealing tube.

Square tubes are fixedly installed in the square holes of the inner sealing cylinder and the two first side sealing plates.

A vertical plate and a first reinforcing plate are fixed between the U-shaped plate and the corresponding connecting flange.

Beneficial effects: Due to the adoption of the above technical solution, the present invention has an installation base with good structural rigidity, strong load-bearing capacity, and can effectively ensure the accuracy of drilling verticality. Through structural size optimization, rational design of the relative positions of key components and maintainability design, and the use of a variety of structural reinforcement structures, the structural strength and structural stability of the base are effectively improved, ensuring the operational stability and reliability of the equipment. Improved convenience for maintenance and inspection. It has simple structure, reliable use, good maintainability and wide practicability.

Description of the drawings

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

FIG. 2 is a top half-sectional view of FIG. 1 .

Fig. 3 is a left half cross-sectional view of Fig. 1 .

Fig. 4 is a partial cross-sectional view taken along line A-A in Fig. 1 .

In the picture: 1-connecting flange; 2-rib plate; 3-column mounting seat; 4-lifting lugs; 5-L-shaped thin plate; 6-inner sealing cylinder; 7-middle cover plate; 8-lower cover plate; 9- The first maintenance flange; 10-the first triangular rib; 11-the second maintenance flange; 12-right end sealing plate; 13-vertical plate; 14-U-shaped plate; 15-right end cover plate; 16-first side Sealing plate; 17-U-shaped thin plate; 18-corner cover plate; 19-second triangular rib plate; 20-concave plate; 21-third triangular rib plate; 22-second side sealing plate; 23-square tube; 24 -First reinforcement plate; 25-Second reinforcement plate; 26-Outrigger cylinder mounting base; 27-Left end sealing plate.

Implementation

An embodiment of the present invention will be further described below in conjunction with the accompanying drawings:

As shown in Figure 1, a dedicated full-rotation casing drilling rig driving device mounting base is mainly composed of an inner and outer sealing plate assembly, an upper and lower cover plate assembly, and a cylinder column mounting seat assembly. The inner and outer sealing plate assembly It includes an inner sealing cylinder 6, two first side sealing plates 16, four second side sealing plates 22, a left end sealing plate 27, a right end sealing plate 12 and eight connecting flanges 1 arranged around the outside of the inner sealing cylinder 6; The inner sealing cylinder 6 is rolled from a steel plate into a front-to-back symmetrical annular cylinder. The projection of the inner sealing cylinder 6 on the horizontal plane is a closed annular curve. The closed annular curve includes two front and rear large arc lines, 6 straight line segments and 4 filter arc segments. line, where the left and right straight segments are parallel to each other and perpendicular to the front and rear symmetry planes of the cylinder. The projection of the inner sealing cylinder 6 on the front and rear symmetry planes is a polygon composed of a trapezoid and a rectangle. Coaxial square through holes are processed on the front and rear walls of the inner sealing cylinder 6; both ends of the first side sealing plate 16 are connected to a second side sealing plate 22 through the connecting flange 1, and the first side sealing plate 22 is connected to the first side sealing plate 16. 16 is processed with a square hole coaxial with the square through hole on the inner sealing cylinder 6. Both ends of the left end sealing plate 27 and the right end sealing plate 12 are fixedly provided with connecting flanges 1; each of the described connection methods Four ribs 2 are fixed between the orchid 1 and the upper cover plate.

The upper and lower cover plate assembly includes an upper cover plate fixed on the upper end of the inner and outer sealing plate assembly and a lower cover plate 8 fixed on the lower end of the inner and outer sealing plate assembly. Four lifting lugs 4 are fixed on the upper cover plate. . The upper cover includes a concave plate 20, two corner cover plates 18, a right end cover plate 15 and two middle cover plates 7. The concave plate 20 is located in the middle of the left end and is connected with the inner sealing cylinder 6, the left end sealing plate 27 and the two corner covers. The plates 18 are fixedly connected; four first triangular ribs 10 are fixed between the lower cover plate 8 and the right inner wall surface of the inner sealing cylinder 6, and four second triangular ribs 10 are fixed between the lower cover plate 8 and the left inner wall surface of the inner sealing cylinder 6. rib 19 and two third triangular ribs 21. The two corner cover plates 18 have the same structural dimensions. The two corner cover plates 18 are both processed with circular through holes and square through holes. The two right-angled end faces of the two corner cover plates 18 are processed with holes for connecting. The "L" shaped gap of the flange 1; the right end cover 15 is processed with two circular through holes and three square through holes. The projection of the left end surface of the right end cover 15 on the horizontal plane includes 5 straight lines. and two arc curves, the other three end faces of the right end cover plate 15 are processed with "L" shaped notches for setting the connecting flange 1; the two middle cover plates 7 have the same structural dimensions, and the middle cover plate 7 has the same structural dimensions. The projection of the inner end surface of 7 on the horizontal plane is a curve composed of a straight line and an arc line. The left and right end surfaces are parallel to each other. The projection of the middle cover 7 on the vertical plane of the left and right end surfaces is a trapezoid. The middle cover 7 is in contact with the right end at the same time. The cover plate 15, the inner sealing cylinder 6, the corner cover plate 18 and the first side sealing plates 16 are fixedly connected; a square tube 23 is fixedly provided in the square holes of the inner sealing cylinder 6 and the two first side sealing plates 16. The lower cover 8 is processed from a steel plate into a front-to-back symmetrical structure, and a large through hole is processed in the middle. The projection of the inner surface on the horizontal plane is a closed curve including multiple straight segments and arc lines. A U-shaped thin plate 17 and two L-shaped thin plates 5 are fixed. Each of the four corners of the lower cover 8 is processed with a circular through hole; the square holes on the corner cover 18 and the right end cover 15 are fixedly provided with a first maintenance flange 9. A second maintenance flange 11 is fixedly provided in the small square hole in the middle of 15.

There are 4 cylinder column mounting seat assemblies in total. Each cylinder column mounting seat assembly includes a column mounting seat 3, a leg cylinder mounting seat 26, a U-shaped plate 14 and a second reinforcing plate 25. The U-shaped A vertical plate 13 and a first reinforcing plate 24 are fixedly arranged between the plate 14 and the corresponding connecting flange 1 . The column mounting seat 3 is fixed in the circular through hole of the corner cover plate 18. The upper end surface of the column mounting seat 3 is evenly distributed with a plurality of threaded blind holes in the circumferential direction. The outrigger cylinder mounting seat 26 is fixed on the column mounting seat 3. On the lower surface of the seat 3, a plurality of threaded blind holes are evenly distributed in the circumferential direction on the lower end of the leg cylinder mounting seat 26. The U-shaped plate 14 is connected with the column mounting seat 3, the lower cover plate 8 and the second side sealing plate at the same time. 22 is fixedly connected; the second reinforcing plate 25 is processed with a circular through hole, and the inner surface of the circular through hole is fixedly connected to the outrigger cylinder mounting seat 26. The second reinforcing plate 25 is simultaneously connected with the U-shaped plate 14 and the second The two side sealing plates 22 are fixedly connected.

Claims (10)

1. The utility model provides a full-circle casing drilling machine drive arrangement installs base which characterized in that: the cylinder column mounting seat assembly comprises an inner sealing plate assembly, an outer sealing plate assembly, an upper cover plate assembly, a lower cover plate assembly and a cylinder column mounting seat assembly, wherein the inner sealing plate assembly comprises an inner sealing cylinder (6), two first side sealing plates (16), 4 second side sealing plates (22), a left end sealing plate (27), a right end sealing plate (12) and 8 connecting flanges (1) which are arranged around the outer side of the inner sealing cylinder (6); coaxial square through holes are formed in the front wall and the rear wall of the inner sealing cylinder (6); the two ends of the first side sealing plate (16) are respectively connected with a second side sealing plate (22) through a connecting flange (1), square holes coaxial with the square through holes on the inner sealing cylinder (6) are processed on the first side sealing plate (16), and the connecting flanges (1) are fixedly arranged at the two ends of the left end sealing plate (27) and the right end sealing plate (12);

the upper cover plate assembly and the lower cover plate assembly comprise an upper cover plate fixed at the upper end of the inner and outer cover plate assembly and a lower cover plate (8) fixed at the lower end of the inner and outer cover plate assembly, the upper cover plate comprises a concave plate (20), two corner cover plates (18), a right end cover plate (15) and two middle cover plates (7), and the concave plate (20) is positioned in the middle of the left end and is fixedly connected with the inner sealing cylinder (6), the left end cover plate (27) and the two corner cover plates (18); the two corner cover plates (18) have the same structural size, round through holes and square through holes are processed on the two corner cover plates (18), and L-shaped notches for arranging the connecting flange (1) are processed on two right-angle end surfaces of the two corner cover plates (18); two circular through holes and 3 square through holes are formed in the right end cover plate (15), the projection of the left end surface of the right end cover plate (15) on the horizontal plane comprises 5 sections of straight lines and two sections of arc curves, and L-shaped notches for arranging the connecting flange (1) are formed in the other 3 end surfaces of the right end cover plate (15); the two middle cover plates (7) have the same structural size, the projection of the inner end surfaces of the middle cover plates (7) on the horizontal plane is a curve formed by a section of straight line and a section of circular arc line, the left end surfaces and the right end surfaces are mutually parallel, the projection of the middle cover plates (7) on the vertical planes of the left end surfaces and the right end surfaces is trapezoid, and the middle cover plates (7) are fixedly connected with the right end cover plate (15), the inner sealing cylinder (6), the corner cover plate (18) and the first side sealing plate (16); the lower cover plate (8) is of a front-back symmetrical structure formed by processing a steel plate, a large through hole with a projection of an inner surface on a horizontal plane being a closed curve comprising a plurality of straight line segments and circular arcs is processed in the middle, and a round through hole is processed at each corner 4 of the lower cover plate (8);

the four-column mounting seat assembly comprises 4 cylinder column mounting seat assemblies, each cylinder column mounting seat assembly comprises a column mounting seat (3), a supporting leg cylinder mounting seat (26), a U-shaped plate (14) and a second reinforcing plate (25), wherein the column mounting seats (3) are fixed in round through holes of an angle cover plate (18), a plurality of threaded blind holes are uniformly distributed on the upper end face of each column mounting seat (3) along the circumferential direction, the supporting leg cylinder mounting seats (26) are fixed on the lower surface of each column mounting seat (3), a plurality of threaded blind holes are uniformly distributed on the lower end of each supporting leg cylinder mounting seat (26) along the circumferential direction, and the U-shaped plate (14) is fixedly connected with the column mounting seats (3), the lower cover plate (8) and the second side sealing plate (22) at the same time; the second reinforcing plate (25) is provided with a circular through hole, the inner surface of the circular through hole is fixedly connected with the supporting leg cylinder mounting seat (26), and the second reinforcing plate (25) is fixedly connected with the U-shaped plate (14) and the second side sealing plate (22) at the same time.

2. The full-swing casing drill drive mounting base of claim 1, wherein: the inner sealing cylinder (6) is a front-back symmetrical annular cylinder body which is made of a steel plate, the projection of the inner sealing cylinder (6) on a horizontal plane is a closed annular curve, the closed annular curve comprises a front section of large arc line, a rear section of large arc line, 6 straight line sections and 4 sections of filtering arc lines, wherein the left section and the right section of straight line sections are parallel to each other and perpendicular to the front-back symmetrical plane of the cylinder body, and the projection of the inner sealing cylinder (6) on the front-back symmetrical plane is a polygon formed by combining trapezoids and rectangles.

3. The full-swing casing drill drive mounting base of claim 1, wherein: 4 rib plates (2) are fixed between each connecting flange (1) and the upper cover plate.

4. The full-swing casing drill drive mounting base of claim 1, wherein: and 4 lifting lugs (4) are fixed on the upper cover plate.

5. The full-swing casing drill drive mounting base of claim 1, wherein: the corner cover plate (18) and the right end cover plate (15) are fixedly provided with first maintenance flanges (9) in square holes, and the right end cover plate (15) is fixedly provided with second maintenance flanges (11) in small square holes in the middle.

6. The full-swing casing drill drive mounting base of claim 1, wherein: the U-shaped thin plate (17) and the two L-shaped thin plates (5) are fixed on the lower cover plate (8).

7. The full-swing casing drill drive mounting base of claim 1, wherein: 4 first triangular rib plates (10) are fixed between the lower cover plate (8) and the right inner wall surface of the inner sealing cylinder (6).

8. The full-swing casing drill drive mounting base of claim 1, wherein: 4 second triangular rib plates (19) and two third triangular rib plates (21) are fixed between the lower cover plate (8) and the left inner wall surface of the inner sealing cylinder (6).

9. The full-swing casing drill drive mounting base of claim 1, wherein: square tubes (23) are fixedly arranged in the square holes of the inner sealing cylinder (6) and the two first side sealing plates (16).

10. The full-swing casing drill drive mounting base of claim 1, wherein: a vertical plate (13) and a first reinforcing plate (24) are fixedly arranged between the U-shaped plate (14) and the corresponding connecting flange (1).