CN109025835B - Driving device transmission case mounting platform of full-rotation casing drilling machine - Google Patents

Abstract

The invention discloses a transmission box installation platform for a driving device of a full-rotation casing drilling rig, which includes a cylinder, an upper cover and a lower cover fixed on the cylinder, the lower cover is located below the upper cover, and the upper cover and the lower cover are fixed There are side sealing plate assembly, multiple column positioning devices and multiple locking cylinder piston rod mounting seats; through various strengthening methods, it can withstand large and complex and changeable force systems, and is suitable for the transmission of full-turn casing drilling rigs box mounting platform. The box-type and symmetrical structure with optimized structural size effectively improves the overall structural strength and rigidity, and improves the distribution balance of various load forces on the overall structure; adopts reasonable maintainability design, four-point symmetrical distribution of drive and guide holes The relative position is reasonable, and the relative parallelism error of the guide hole is small, which greatly improves the convenience of maintenance. It has the advantages of compact structure, high strength, good rigidity, stability and reliability, easy maintenance and good use effect.

Description

An installation platform for transmission box of driving device of full-rotation casing drilling rig

technical field

The invention relates to an installation platform, in particular to a transmission box installation platform suitable for a driving device of a full-rotation casing drilling rig.

Background technique

Due to its unique advantages of successfully completing rapid construction in complex geological environments such as quicksand, karst caves, rock formations, pebbles, and reinforced concrete components, and the characteristics of high efficiency and environmental protection, the full-rotary casing drilling rig is widely used in urban subways and deep foundation pits. It is widely used in the cleaning of piles, waste piles and underground obstacles, construction of high-speed railways, roads and bridges, urban construction piles, and reinforcement of reservoirs and dams. The transmission box installation platform is an important basis to ensure the transmission accuracy, transmission reliability, transmission stability and verticality of the drilling pipe. At the same time, it also bears the huge and time-varying rotary driving force, lateral locking pressure and vertical drilling pressure. The effect of reaction force, etc. Due to the deficiencies of the existing installation platform in terms of structural rigidity, distribution of driving points, and relative position accuracy of guide holes, etc., it seriously affects the reliability of the drilling rig during operation and the construction efficiency and effect; in addition, there is no reasonable maintainability design. Maintenance is very inconvenient. Therefore, it is necessary to design a transmission box installation platform with good structural rigidity, four-point symmetrical distribution drive, reasonable relative position of guide holes, and small relative parallelism error of guide holes.

Contents of the invention

Technical problem: the purpose of the present invention is to overcome the deficiencies in the prior art, to provide a compact structure, good structural rigidity, able to withstand large and complex and changeable force system, the relative position of the guide holes is reasonable, and the guide holes are relatively parallel The transmission box installation platform of the driving device of the full-turn casing drilling rig with small degree error.

Technical solution: The transmission box installation platform of the driving device of the full-rotation casing drilling rig of the present invention includes a cylinder, an upper cover and a lower cover fixed on the cylinder, the lower cover is located below the upper cover, and the upper cover and the lower cover The side sealing plate assembly, multiple column positioning devices and multiple locking cylinder piston rod mounting seats are fixed between them;

The cylinder includes a cylinder body, a lower support ring and an upper support ring fixed on the inner side of the lower end of the cylinder body, the lower support ring is provided with a connecting ring fixed with the upper support ring, the lower support ring and the upper support ring The same number of through holes are processed on the rings, and each through hole on the lower support ring corresponds to and is coaxial with the through holes on the upper support ring; 4 square holes are processed on the wall of the cylinder. hole;

The upper cover includes two side cover plates fixed on the front side and the rear side of the cylinder body, two transmission box upper covers fixed on the left side and the right side of the cylinder body, and simultaneously connected with the cylinder body and the transmission box A plurality of corner plates fixed to the upper cover; the two upper covers of the transmission box both include an upper cover plate and two reducer mounting flanges fixed on the upper cover plate, and the upper cover plate is processed by a steel plate It has a front-to-back symmetrical structure. Two large through holes of the same size and two small through holes of the same size are processed on the upper cover plate. The arc surface at one end of the upper cover plate is fixed with the cylinder body, and There is a "U"-shaped notch in the side processing; there are two through holes, large and small, on the mounting flange of each reducer, which correspond to the two through holes on the upper cover; One large through hole and three small through holes with the same diameter are processed, and one end surface of the corner plate is processed with a curved surface including two planes and an arc-shaped surface, and the two planes are perpendicular to each other in an "L" shape;

The lower cover includes two lower side plates fixed on the front and rear sides of the cylindrical body, and two transmission box lower covers fixed on the left and right sides of the cylindrical body. The lower side plates have a left-right symmetrical structure. A large through hole and 4 small through holes are processed on both sides, and the arc-shaped surface in the middle of the lower side plate is fixed with the cylinder; Two bearing seats and two shaft seats on the cover plate, the lower cover plate is processed by a steel plate to form a front and rear symmetrical structure, the arc surface at one end of the lower cover plate is fixed with the cylinder, The front and rear end faces are fixed together with the corresponding lower side plates, and a "U"-shaped notch is processed in the middle of the arc surface of the lower cover plate; In the two large installation through holes of the cover plate, and welded and fixed together with the lower cover plate; the two shaft seats are circular column structures, which are respectively arranged in the two small installation through holes of the lower cover plate, And welded together with the lower cover plate;

The side sealing plate assembly includes two large U-shaped plates, 4 end sealing plates, two first side sealing plates, 4 second side sealing plates and 4 third side sealing plates, the two Two large U-shaped plates are fixed together with the upper cover plate and the lower cover plate corresponding to the cylindrical body at the same time, and each large U-shaped plate is processed with two maintenance holes, and the maintenance hole is provided with a maintenance hole flange; the end seal The plate is fixed together with the corresponding large U-shaped plate, corner plate, lower side plate, and column cylinder at the same time, and the first side sealing plate is fixed together with the corresponding lower side plate and side cover plate at the same time, The second side sealing plate is fixed together with the corresponding lower side plate, the reinforcing seat plate and the corresponding first side sealing plate at the same time, and the third side sealing plate is simultaneously fixed with the second side sealing plate, the lower side Plates, corner plates, and column cylinders are fixed together;

The plurality of column positioning devices have the same structural size, each column positioning device includes a column cylinder fixed between the angle plate and the lower side plate, the angle plate is provided with a positioning flange, and the lower side plate is fixed There are positioning and fixing flanges on the side plate, and the large through hole on the corner plate is coaxial with the positioning flange, the positioning and fixing flange and the through hole of the column cylinder;

If the plurality of locking cylinder piston rod mounting seats have the same structural size, the locking cylinder piston rod mounting seat includes a first side plate, a second side plate, an inner plate, an outer ear plate and an inner ear plate, and the first side plate At the same time, it is fixed together with the side cover plate and the lower side plate, the second side plate is fixed together with the corner plate and the lower side plate at the same time, and the inner side plate is fixed together with the corner plate and the lower side plate at the same time; the outer ear The plate and the inner ear plate are parallel to each other, and are fixed together with the first side plate, the second side plate and the reinforced seat plate at the same time. Both the outer ear plate and the inner ear plate are processed with through holes for installing pin shafts.

The number of the plurality of column positioning devices is four.

There are 26 through holes in the lower support ring and the upper support ring.

There are four locking cylinder piston rod mounting seats.

Each small through hole on the corner plate corresponds to a small through hole on the lower side plate respectively, and a steel pipe is fixed in each pair of corresponding holes.

A small U-shaped plate fixed with the cylindrical body is fixed on the U-shaped notch of the upper cover plate and the lower cover plate.

Between the side cover plate and the lower side plate are fixed four inclined rib plates which are fixed together with the cylindrical body and the piston rod mounting seat of the locking cylinder at the same time.

Four transverse ribs are fixed between the side cover plate and the lower side plate and are also fixed together with the cylinder body and the first side cover plate.

The projections of the inner end surfaces of the two side cover plates on the horizontal plane are circular arc lines, and the projections of the middle parts of the outer end surfaces on the horizontal plane are all trapezoidal.

The plurality of locking cylinder piston rod mounting seats are all equipped with reinforced seat plates, each reinforced seat plate is arranged horizontally, and a through hole is processed in the middle of the reinforced seat plate, and the reinforced seat plate is simultaneously connected with the first side plate, the second The side and inner panels are fastened together.

Beneficial effects: due to the adoption of the above-mentioned technical solution, the present invention can withstand the action of a large and complex and changeable force system, and is suitable for the installation platform of the transmission box of the full-rotation casing drilling rig. Through a variety of strengthening methods, the box-type and symmetrical structure with optimized structural size is adopted, which effectively improves the overall structural strength and rigidity, and improves the distribution balance of various load forces on the overall structure; adopts reasonable maintainability design, four points Symmetrically distributed drive, reasonable relative position of guide holes, small relative parallelism error of guide holes, greatly improving maintenance convenience. The utility model has the advantages of compact structure, high strength, good rigidity, stability and reliability, convenient maintenance and good use effect, and has wide practicability in the technical field.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a half-sectional view of Fig. 1;

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

Fig. 4 is A-A partial sectional view;

Fig. 5 is a B-B partial sectional view;

Fig. 6 is a partial sectional view of C-C;

Fig. 7 is a partial sectional view of D-D.

In the figure: 1-positioning flange; 2-angle plate; 3-upper cover plate; 4-side cover plate; 5-cylindrical body; Side plate II; 10-inner ear plate; 11-shaft seat; 12-bearing seat; 13-end sealing plate; 14-large U-shaped plate; 15-lower cover plate; 16-side sealing plate III; 17-lower side plate ;18-side sealing plate II; 19-inclined rib plate; 20-transverse rib plate; 21-side sealing plate I; 22-upper support ring; 23-small U-shaped plate; Hole; 26-column cylinder; 27-reinforced seat plate; 28-positioning and fixing flange; 29-maintenance hole flange; 30-lower support ring; 31-connecting ring.

Implementation

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

As shown in Figure 1, the drive box installation platform of the full-rotation casing drilling rig of the present invention is mainly composed of a cylinder, an upper cover, a lower cover, a side sealing plate assembly, a plurality of column positioning devices and a plurality of locking cylinder pistons The upper cover is fixed on the cylinder, the lower cover is located under the upper cover, and the side sealing plate assembly, a plurality of column positioning devices and a plurality of locking cylinders are fixed between the upper cover and the lower cover. Piston rod mount;

The cylinder includes a cylinder body 5, a lower support ring 30 fixed on the inner side of the lower end of the cylinder body 5, and an upper support ring 22, and the support ring 30 is provided with a connecting ring 31 fixed to the upper support ring 22 , the lower support ring 30 and the upper support ring 22 are processed with the same number of through holes, and the number of through holes on the lower support ring 30 and the upper support ring 22 is 26. Each through hole on the lower support ring 30 is corresponding and coaxial with the through hole on the upper support ring 22; four square holes 25 are processed on the cylinder wall of the cylinder body 5;

Described loam cake comprises two side cover plates 4 that are fixed on cylinder body 5 front side and rear side, two transmission case loam cakes that are fixed on cylinder body 5 left side and right side, and simultaneously with cylinder body 5 and a plurality of corner plates 2 fixedly connected to the upper cover of the transmission box; the projections of the inner end faces of the two side cover plates 4 on the horizontal plane are arc lines, and the projections of the middle part of the outer end faces on the horizontal plane are trapezoidal. The two transmission box upper covers all include an upper cover plate 3 and two reducer mounting flanges 24 fixed on the upper cover plate 3, and the upper cover plate 3 is processed by a steel plate to form a front and rear symmetrical structure, Two large through holes of the same size and two small through holes of the same size are processed on the upper cover plate 3, and the arc surface at one end of the upper cover plate 3 is fixed with the cylinder body 5, and is processed on the arc surface side. A "U"-shaped notch; each of the reducer mounting flanges 24 has two through holes, large and small, corresponding to the two through holes on the upper cover plate 3; A large through hole and three small through holes with the same diameter are processed, and one end surface of the corner plate 2 is processed with a curved surface including two planes and an arc-shaped surface, wherein the two planes are perpendicular to each other in an "L" shape;

The lower cover includes two lower side plates 17 fixed on the front and rear sides of the cylindrical body 5, and two transmission box lower covers fixed on the left and right sides of the cylindrical body 5. The lower side plates 17 have a left-right symmetrical structure, A large through hole and 4 small through holes are processed on both sides of the left and right symmetrical planes, and the arc-shaped surface in the middle of the lower side plate 17 is fixed to the cylindrical body 5; the two transmission box lower covers include The lower cover plate 15, two bearing seats 12 and two shaft seats 11 fixed on the lower cover plate 15, the described lower cover plate 15 is processed by a steel plate to form a front and rear symmetrical structure, and a certain point on the front and rear symmetrical axis is A small through hole is processed in the center, and a large installation through hole and a small installation through hole are respectively processed on both sides of the front and rear symmetry axes. The front and rear end faces of 15 are fixed together with the corresponding lower side plate 17, and a "U"-shaped notch is processed in the middle of one side of the arc surface of the lower cover plate 15; the two bearing seats 12 are circular column structures, respectively In the two large installation through holes of the lower cover plate 15, and welded together with the lower cover plate 15; In a small installation through hole, and welded together with the lower cover plate 15; each small through hole on the corner plate 2 corresponds to a small through hole on the lower side plate 17, and each pair corresponds to a small through hole on the lower side plate 17. A steel pipe is fixed in the hole. A small U-shaped plate 23 fixed with the cylindrical body 5 is fixed on the U-shaped notches of the upper cover plate 3 and the lower cover plate 15 .

The side sealing plate assembly includes two large U-shaped plates 14, four end sealing plates 13, two first side sealing plates 21, four second side sealing plates 18 and four third side sealing plates 16 , the two large U-shaped plates 14 are fixed together with the upper cover plate 3 and the lower cover plate 15 corresponding to the cylindrical body 5 at the same time, and each large U-shaped plate 14 is processed with two maintenance holes. The maintenance hole is provided with a maintenance hole flange 29; the end sealing plate 13 is fixed together with the corresponding large U-shaped plate 14, the corner plate 2, the lower side plate 17, and the column cylinder 26. The first side sealing plate 21 is fixed together with the corresponding lower side plate 17 and the side cover plate 4 at the same time, and the second side sealing plate 18 is simultaneously fixed with the corresponding lower side plate 17, the reinforcing seat plate 27 and the corresponding first side sealing plate 21 are fixed together, and the third side sealing plate 16 is fixed together with the second side sealing plate 18, the lower side plate 17, the corner plate 2, and the column cylinder 26 at the same time;

The plurality of column positioning devices have the same structural size, and each column positioning device includes a column cylinder 26 fixed between the corner plate 2 and the lower side plate 17, and the corner plate 2 is provided with a positioning flange 1. The lower side plate 17 is provided with a positioning and fixing flange 28, and the large through hole on the corner plate 2 is coaxial with the positioning flange 1, the positioning and fixing flange 28 and the through holes of the column cylinder 26. ; The plurality of column positioning devices is 4. Between the side cover plate 4 and the lower side plate 17, four oblique rib plates 19 are fixed together with the cylindrical body 5 and the piston rod mounting seat of the locking cylinder; the side cover plate 4 and the lower side plate 17 Four transverse ribs 20 fixed together with the cylindrical body 5 and the first side sealing plate 21 are fixed between them.

The plurality of locking cylinder piston rod mounting seats is 4, and the structural dimensions are the same. The locking cylinder piston rod mounting seats include the first side plate 7, the second side plate 9, the inner plate 6, the outer ear plate 8 and the inner ear plate 10, the first side plate 7 is fixed together with the side cover plate 4 and the lower side plate 17 at the same time, the second side plate 9 is fixed together with the corner plate 2 and the lower side plate 17 at the same time, and the inner side plate 6 is fixed together with the corner plate 2 and the lower side plate 17 at the same time; the outer ear plate 8 and the inner ear plate 10 are parallel to each other, and are fixed together with the first side plate 7, the second side plate 9 and the reinforcing seat plate 27 at the same time, Both the outer ear plate 8 and the inner ear plate 10 are processed with through holes for installing pin shafts. A reinforced seat plate 27 is provided on the plurality of locking cylinder piston rod mounting seats, and each reinforced seat plate 27 is arranged horizontally, and a through hole is processed in the middle of the reinforced seat plate 27, and the reinforced seat plate 27 is connected with the first side at the same time. The panel 7, the second side panel 9 and the inner panel 6 are fixed together.

Claims (10)

1. A full-rotation casing drilling rig transmission box installation platform, characterized in that: it includes a cylinder, an upper cover and a lower cover fixed on the cylinder, the lower cover is located below the upper cover, and the upper cover Between the lower cover and the side seal plate assembly, multiple column positioning devices and multiple locking cylinder piston rod mounting seats are fixed; The cylinder includes a cylinder body (5), a lower support ring (30) and an upper support ring (22) fixed on the inner side of the lower end of the cylinder body (5), and the lower support ring (30) is provided with an upper support ring The ring (22) is fixed to the connecting ring (31), the lower support ring (30) and the upper support ring (22) are processed with the same number of through holes, and each of the lower support ring (30) The through holes correspond to the through holes on the upper support ring (22) and are coaxial; four square holes (25) are processed on the cylinder wall of the cylinder (5); The upper cover includes two side cover plates (4) fixed on the front and rear sides of the cylinder (5), two transmission box upper covers fixed on the left and right sides of the cylinder (5), And a plurality of corner plates (2) fixedly connected with the cylinder body (5) and the upper cover of the transmission box at the same time; the two upper covers of the transmission box both include an upper cover (3) and a top cover (3) ) on the two reducer mounting flanges (24), the upper cover plate (3) is processed by a steel plate to form a front and rear symmetrical structure, and the upper cover plate (3) is processed with two large through holes of the same size and Two small through holes of the same size, the arc surface at one end of the upper cover plate (3) is fixed with the cylinder body (5), and a "U"-shaped notch is processed on the arc surface side; each of the There are two large and small through holes on the first reducer mounting flange (24), corresponding to the two through holes on the upper cover plate (3) respectively; each corner plate (2) is processed with a large through hole With three small through holes of the same diameter, one end of the corner plate (2) is processed with a curved surface including two planes and an arc-shaped surface, wherein the two planes are perpendicular to each other in an "L" shape; The lower cover includes two lower side plates (17) fixed on the front and rear sides of the cylindrical body (5), two transmission box lower covers fixed on the left and right sides of the cylindrical body (5), and the lower side plates (17) It has a left-right symmetrical structure, with a large through-hole and 4 small through-holes processed on both sides of the left-right symmetrical plane, and the arc-shaped surface in the middle of the lower side plate (17) is fixed to the cylindrical body (5); The two transmission box lower covers both include a lower cover plate (15), two bearing seats (12) and two shaft seats (11) fixed on the lower cover plate (15), and the lower cover plate (15) A steel plate is processed into a front-rear symmetrical structure. The arc surface at one end of the lower cover plate (15) is fixed with the cylindrical body (5), and the front and rear end surfaces of the lower cover plate (15) are connected to the corresponding lower side plate ( 17) Fix them together, and process a "U"-shaped notch in the middle of one side of the arc surface of the lower cover plate (15); In the two large installation through holes of the cover plate (15), it is welded and fixed together with the lower cover plate (15); the two shaft seats (11) are circular column structures, which are respectively arranged on the lower cover plate ( 15) and welded together with the lower cover plate (15); The side sealing plate assembly includes two large U-shaped plates (14), four end sealing plates (13), two first side sealing plates (21), four second side sealing plates (18) and 4 third side sealing plates (16), the two large U-shaped plates (14) are fixed together with the upper cover plate (3) and the lower cover plate (15) corresponding to the cylinder (5) at the same time, Two maintenance holes are processed on each large U-shaped plate (14), and a maintenance hole flange (29) is arranged on the maintenance hole; the end sealing plate (13) is simultaneously connected with the corresponding large U-shaped plate (14), The corner plate (2), the lower side plate (17), and the column cylinder (26) are fixed together, and the first side sealing plate (21) is simultaneously connected with the corresponding lower side plate (17), side cover plate (4) Fixing together, the second side sealing plate (18) is fixed together with the corresponding lower side plate (17), reinforced seat plate (27) and corresponding first side sealing plate (21) at the same time , the third side sealing plate (16) is fixed together with the second side sealing plate (18), the lower side plate (17), the corner plate (2), and the column cylinder (26) at the same time; The plurality of column positioning devices have the same structural size, and each column positioning device includes a column cylinder (26) fixed between the angle plate (2) and the lower side plate (17), and the angle plate (2 ) is provided with a positioning flange (1), the lower side plate (17) is provided with a positioning and fixing flange (28), the large through hole on the corner plate (2) is connected with the positioning flange (1), and the positioning and fixing The through holes of the flange (28) and the column cylinder (26) are coaxial holes; If the multiple locking cylinder piston rod mounting seats have the same structural size, the locking cylinder piston rod mounting seat includes a first side plate (7), a second side plate (9), an inner plate (6), and an outer ear plate ( 8) and the inner ear plate (10), the first side plate (7) is fixed together with the side cover plate (4) and the lower side plate (17) at the same time, and the second side plate (9) is simultaneously fixed with the corner plate (2) and the lower side plate (17) are fixed together, the inner side plate (6) is fixed together with the corner plate (2) and the lower side plate (17) at the same time; the outer ear plate (8) and the inner ear plate ( 10) Parallel to each other, and fixed together with the first side plate (7), the second side plate (9) and the reinforced seat plate (27) at the same time, the outer ear plate (8) and the inner ear plate (10) are processed for Through holes for mounting pins. 2. The installation platform for the transmission case of the driving device of the full-turn casing drilling rig according to claim 1, wherein the number of the plurality of column positioning devices is four. 3. The transmission box installation platform of the driving device of the full-turn casing drilling rig according to claim 1, characterized in that: the plurality of through holes on the lower support ring (30) and the upper support ring (22) are 26 indivual. 4. The installation platform for the transmission box of the driving device of the full-turn casing drilling rig according to claim 1, wherein the number of the plurality of locking cylinder piston rod mounting seats is four. 5. The transmission box installation platform of the full-rotation casing drilling rig driving device according to claim 1, characterized in that: each of the three small through holes on the corner plate (2) is connected with the lower side plate respectively. (17) A small through hole in the upper 4 small through holes is corresponding, and a steel pipe is fixed in every pair of corresponding holes. 6. The transmission box installation platform of the driving device of the full-rotation casing drilling rig according to claim 1, characterized in that: the U-shaped notch of the upper cover (3) and the lower cover (15) is fixed with a circle The cylindrical body of the small U-shaped plate (23) that cylindrical body (5) is fixed together. 7. The installation platform for transmission box of driving device of full-turn casing drilling rig according to claim 1, characterized in that: between the side cover plate (4) and the lower side plate (17), there is a simultaneous cylinder (5) 4 inclined rib plates (19) cylindrical bodies fixed together with the locking cylinder piston rod mount. 8. The transmission box installation platform of the full-rotation casing drilling rig driving device according to claim 1, characterized in that: the side cover plate (4) and the lower side plate (17) are fixed with a cylinder at the same time Body (5) and the first side sealing plate (21) are fixed together with 4 transverse reinforcement plates (20) cylindrical body. 9. The transmission box installation platform of the driving device of the full-turn casing drilling rig according to claim 1, characterized in that: the projection of the inner end faces of the two side cover plates (4) on the horizontal plane is an arc line, and the outer The projection of the middle part of the end face on the horizontal plane is trapezoidal. 10. The transmission box installation platform of the driving device of the full-turn casing drilling rig according to claim 1, characterized in that: each of the plurality of locking cylinder piston rod mounting seats is provided with a reinforced seat plate (27), and each The reinforced seat plate (27) is arranged horizontally, and a through hole is processed in the middle of the reinforced seat plate (27), and the reinforced seat plate (27) is connected with the first side plate (7), the second side plate (9) and the inner side plate (6 ) fixed together.